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CN117106153A - High-wear-resistance high-stability polyurethane micro-foaming runway material and preparation method thereof - Google Patents

High-wear-resistance high-stability polyurethane micro-foaming runway material and preparation method thereof Download PDF

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Publication number
CN117106153A
CN117106153A CN202311082124.4A CN202311082124A CN117106153A CN 117106153 A CN117106153 A CN 117106153A CN 202311082124 A CN202311082124 A CN 202311082124A CN 117106153 A CN117106153 A CN 117106153A
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weight
component
foaming
parts
wear
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张书申
危印松
熊平凡
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Guangdong Shengtian Sports Co ltd
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Guangdong Shengtian Sports Co ltd
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/65Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
    • C08G18/66Compounds of groups C08G18/42, C08G18/48, or C08G18/52
    • C08G18/6603Compounds of groups C08G18/42, C08G18/48, or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
    • C08G18/6607Compounds of groups C08G18/42, C08G18/48, or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40High-molecular-weight compounds
    • C08G18/4009Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
    • C08G18/4018Mixtures of compounds of group C08G18/42 with compounds of group C08G18/48
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40High-molecular-weight compounds
    • C08G18/42Polycondensates having carboxylic or carbonic ester groups in the main chain
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40High-molecular-weight compounds
    • C08G18/48Polyethers
    • C08G18/4804Two or more polyethers of different physical or chemical nature
    • C08G18/4812Mixtures of polyetherdiols with polyetherpolyols having at least three hydroxy groups
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24Acids; Salts thereof
    • C08K3/26Carbonates; Bicarbonates
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/34Silicon-containing compounds
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C13/00Pavings or foundations specially adapted for playgrounds or sports grounds; Drainage, irrigation or heating of sports grounds
    • E01C13/06Pavings made in situ, e.g. for sand grounds, clay courts E01C13/003
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2101/00Manufacture of cellular products
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2110/00Foam properties
    • C08G2110/0083Foam properties prepared using water as the sole blowing agent
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24Acids; Salts thereof
    • C08K3/26Carbonates; Bicarbonates
    • C08K2003/265Calcium, strontium or barium carbonate
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/011Nanostructured additives

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
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  • Polyurethanes Or Polyureas (AREA)

Abstract

The invention belongs to the technical field of runway materials, and particularly relates to a high-wear-resistance high-stability polyurethane micro-foaming runway material and a preparation method thereof, wherein the component A comprises 25-35 parts by weight of polyester polyol, 25-35 parts by weight of polyether polyol, 3-8 parts by weight of epoxy acrylate, 5-10 parts by weight of powder, 1-3 parts by weight of chain extender, 1-3 parts by weight of amine catalyst, 0.5-1 part by weight of light stabilizer, 0.1-0.5 part by weight of dispersant C-103, 0.5-1 part by weight of photoinitiator, 0.01-0.05 part by weight of water and 0.5-1 part by weight of liquid pigment; the component B comprises 30 to 45 weight parts of polyether polyol and 45 to 65 weight parts of isocyanate. Through adding epoxy acrylate, the material can be more wear-resistant and stable by forming a cross-linking structure, and the chemical resistance and weather resistance of the material can be improved, so that the material is more suitable for outdoor environments.

Description

High-wear-resistance high-stability polyurethane micro-foaming runway material and preparation method thereof
Technical Field
The invention belongs to the technical field of runway materials, and particularly relates to a high-wear-resistance high-stability polyurethane micro-foaming runway material and a preparation method thereof.
Background
The polyurethane material has excellent performance and is remarkable in the plastic track industry, the polyurethane foaming material is an important one in the polyurethane material, and the polyurethane foaming material has good physical properties, can greatly reduce the cost, has a great deal of attention in the plastic track industry, and has a plurality of enterprises in the industry to search the use process and the technical condition of the foaming material on the track.
The invention patent with the application number of CN200610045089.9 discloses an environment-friendly polyurethane composite material and a preparation and use method thereof, and the environment-friendly polyurethane composite material consists of a component A and a component B, wherein the component A comprises a basic component and an organic bismuth catalyst, and the basic component consists of polyether polyol, a filler, a cross-linking agent, a plasticizer, a pigment, an anti-aging agent and an ultraviolet absorber; the component B consists of diphenylmethane diisocyanate (MDI) and polyether polyol. During construction, A, B two components are mixed according to the weight ratio of 2-5: 1, paving and solidifying. The invention provides an environment-friendly polyurethane paving material which does not contain toxic substances such as TDI, MOCA, DOP, heavy metal catalysts and the like in construction and use, does not harm people, and is particularly suitable for paving indoor sports fields, wherein various indexes of a runway manufactured by a system are superior to national standards.
The environment-friendly polyurethane composite material disclosed by the invention has the advantages that certain formula improvement is carried out in the aspect of environment protection, toxic and harmful substances such as MOCA, o-benzene plasticizers, lead catalysts and the like are not used, the health of people is endangered, but the wear resistance and the stability are not improved, the wear resistance of the polyurethane composite material is poor, the stability is low, the ageing is easy to occur, the frequent maintenance is required, and the cost is increased.
Disclosure of Invention
The invention aims to provide a polyurethane micro-foaming runway material with high wear resistance and high stability and a preparation method thereof, and aims to solve the technical problem of poor wear resistance and stability in the prior art.
In order to achieve the aim, the high wear-resistant high-stability polyurethane micro-foaming runway material provided by the embodiment of the invention is characterized by comprising a component A and a component B, wherein the component A comprises 25-35 parts by weight of polyester polyol, 25-35 parts by weight of polyether polyol, 3-8 parts by weight of epoxy acrylate, 5-10 parts by weight of powder, 1-3 parts by weight of chain extender, 1-3 parts by weight of amine catalyst, 0.5-1 part by weight of light stabilizer, 0.1-0.5 part by weight of dispersant C-103, 0.5-1 part by weight of photoinitiator, 0.1-0.5 part by weight of foam stabilizer L-1506, 0.01-0.05 part by weight of water, 0.2-1 part by weight of antioxidant and 0.5-1 part by weight of liquid pigment; the component B comprises 30-45 parts by weight of polyether polyol and 45-65 parts by weight of isocyanate.
Optionally, the purity of the epoxy acrylate is more than or equal to 99 percent.
Optionally, the photoinitiator is one or a mixture of several of a photoinitiator 184, a photoinitiator 1173, and a photoinitiator 907.
Optionally, the isocyanate is liquefied diphenylmethane diisocyanate or/and modified diphenylmethane diisocyanate.
Optionally, the isocyanate is liquefied diphenylmethane diisocyanate or/and modified diphenylmethane diisocyanate.
Optionally, the chain extender is one or a mixture of several of Ethylene Glycol (EG), 1, 4-Butanediol (BDO), 4 '-diamino-3, 3' -dichlorodiphenyl Methane (MOCA) and Trimethylolpropane (TMP).
Optionally, the amine catalyst is diethylene Diamine (DEA) or/and triethylene Tetramine (TEPA).
Optionally, the polyester polyol is a polyester diol; the molecular weight of the polyester diol is selected from one or a mixture of 1000g/mol, 2000g/mol and 4000 g/mol.
Optionally, the polyether polyol is polyether glycol and polyether triol, and the molar ratio of the polyether glycol to the polyether triol is 2:3.
Optionally, the powder is one or a mixture of a plurality of talcum powder, heavy calcium carbonate, light calcium carbonate and nano calcium.
Optionally, the preparation method of the high-wear-resistance high-stability polyurethane micro-foaming runway material is characterized by comprising the following steps of:
(1) Preparing the component A: respectively weighing the polyester polyol, the polyether polyol, the epoxy acrylate, the powder, the chain extender, the amine catalyst, the light stabilizer, the dispersing agent C-103, the photoinitiator, the foam stabilizer L-1506, the water and the antioxidant 1010 according to a formula; adding the components into a stirring barrel, stirring for 1-2 hours at 1000-2000 rpm by using a dispersing machine, uniformly stirring, and then adding into an A material cylinder of a low-pressure foaming machine, and controlling the temperature of the A material cylinder to be 20-25 ℃ to obtain a component A;
(2) Preparing the component B: respectively weighing the polyether polyol and the isocyanate in the component B according to a formula, putting the polyether polyol and the isocyanate into a reaction kettle, heating to 70-90 ℃, reacting for 3-5 hours, and titrating the NCO content to a theoretical value or close to the theoretical value to obtain the component B;
(3) Preparing a high-wear-resistance high-stability polyurethane micro-foaming runway material: adding the component B into a material cylinder B of the low-pressure foaming machine, and mixing the component A with the component B1: and (3) adjusting the material flow output by the material cylinder A and the material flow output by the material cylinder B according to the proportion of 0.6-1, conveying the component A and the component B into a mixing chamber of the foaming machine, fully and uniformly stirring, injecting into a mould preheated to 40-50 ℃ in advance, solidifying, and taking out to obtain the high-wear-resistance high-stability polyurethane micro-foaming runway material.
According to the formula, the epoxy acrylate is added, the epoxy acrylate contains epoxy functional groups and acrylate functional groups, the epoxy groups in the epoxy functional groups can react with isocyanate functional groups in the polyurethane prepolymer in an epoxy ring-opening manner, a cross-linking structure is formed under the action of an amine catalyst, a three-dimensional network structure can be formed through the cross-linking reaction of the epoxy functional groups and the isocyanate functional groups, the hardness, the strength and the wear resistance of the material are improved, and the stability and the reliability of the material are improved.
The acrylate functional group may be grafted by a photopolymerization method using a double bond of the acrylate functional group. Under photopolymerization conditions, photoinitiators can be used, with acrylate functionality reacting with hydroxyl groups in the polyester polyol and polyether polyol to form copolymer chains. These copolymer chains interdigitate with the polymer matrix, causing free radical polymerization of the acrylate functional groups to form a crosslinked structure. The hardness, the strength and the wear resistance of the material are improved, and the stability and the reliability of the material are improved.
The chemical resistance and weather resistance of the material can be improved by forming the two cross-linked structures, so that the material is more suitable for outdoor environments.
The liquid pigment is added in the formula, has the anti-yellowing effect, can not be yellowing under the secondary processing of baking curing and high-temperature curing, and meanwhile, the liquid pigment is bright in color, so that the visual effect of a user is improved.
The one or more technical schemes in the high-wear-resistance high-stability polyurethane micro-foaming runway material and the preparation method thereof provided by the embodiment of the invention have at least one of the following technical effects: by adding the epoxy acrylate, the wear resistance and stability of the material can be improved, the epoxy acrylate contains epoxy functional groups and acrylate functional groups, the epoxy functional groups and isocyanate undergo a crosslinking reaction, the acrylate functional groups can undergo a grafting reaction between polyether polyol and hydroxyl groups in polyester polyol, and the two formed crosslinking structures can enable the material to be more wear-resistant and stable, can also improve the chemical resistance and weather resistance of the material, and enable the material to be more suitable for outdoor environments.
In the aspect of environmental protection, the invention uses an environmental protection chain extender dimethyl thiotoluene diamine (DMTDA) to replace the traditional di-o-chlorodiphenylamine Methane (MOCA), and does not use plasticizers, heavy metal catalysts, toluene Diisocyanate (TDI) and other toxic and harmful substances.
Detailed Description
The present invention will be further described with reference to examples, but the embodiments of the present invention are not limited thereto.
Example 1
The high-wear-resistance high-stability polyurethane micro-foaming runway material provided by the embodiment of the invention comprises a component A and a component B, wherein the component A comprises 25 parts by weight of polyester polyol, 35 parts by weight of polyether polyol, 8 parts by weight of epoxy acrylate, 10 parts by weight of powder, 3 parts by weight of chain extender, 3 parts by weight of amine catalyst, 1 part by weight of light stabilizer, 0.5 part by weight of dispersant C-103, 1 part by weight of photoinitiator, 0.5 part by weight of foam stabilizer L-1506, 0.05 part by weight of water, 1 part by weight of antioxidant and 1 part by weight of liquid pigment;
the B component comprises 30 parts by weight of polyether polyol and 65 parts by weight of isocyanate.
The purity of the epoxy acrylate is more than or equal to 99 percent; the photoinitiator is a photoinitiator 184, the isocyanate is modified diphenylmethane diisocyanate, the chain extender is Ethylene Glycol (EG), the amine catalyst is diethylene Diamine (DEA), and the polyester polyol is polyester diol; the molecular weight of the polyester diol is selected from a mixture of 1000g/mol, 2000g/mol and 4000g/mol, the polyether polyol is polyether diol and polyether triol, the molar ratio of the polyether diol to the polyether triol is 2:3, and the powder is a mixture of talcum powder, heavy calcium carbonate, light calcium carbonate and nano calcium.
The preparation method of the high-wear-resistance high-stability polyurethane micro-foaming runway material is characterized by comprising the following steps of:
(1) Preparing the component A: respectively weighing the polyester polyol, the polyether polyol, the epoxy acrylate, the powder, the chain extender, the amine catalyst, the light stabilizer, the dispersing agent C-103, the photoinitiator, the foam stabilizer L-1506, the water and the antioxidant 1010 according to a formula; adding the components into a stirring barrel, stirring for 2 hours at 1500 rpm by using a dispersing machine, uniformly stirring, and then adding into an A material cylinder of a low-pressure foaming machine, wherein the temperature of the A material cylinder is controlled to be 25 ℃, so as to obtain the component A.
(2) Preparing the component B: and respectively weighing the polyether polyol and the isocyanate in the component B according to a formula, putting the polyether polyol and the isocyanate into a reaction kettle, heating to 80 ℃, reacting for 4 hours, and obtaining the component B after titration of NCO content to a theoretical value or a value close to the theoretical value.
(3) Preparing a high-wear-resistance high-stability polyurethane micro-foaming runway material: adding the component B into a material cylinder B of the low-pressure foaming machine, and mixing the component A with the component B1: and (3) adjusting the material flow output by the material cylinder A and the material flow output by the material cylinder B according to the proportion of 0.8, conveying the component A and the component B into a mixing chamber of the foaming machine, fully and uniformly stirring, injecting into a mould preheated to 50 ℃ in advance, solidifying, and taking out to obtain the high-wear-resistance high-stability polyurethane micro-foaming runway material.
Example 2
The high-wear-resistance high-stability polyurethane micro-foaming runway material provided by the embodiment of the invention comprises a component A and a component B, wherein the component A comprises 28 parts by weight of polyester polyol, 32 parts by weight of polyether polyol, 6 parts by weight of epoxy acrylate, 8 parts by weight of powder, 2 parts by weight of chain extender, 2 parts by weight of amine catalyst, 0.8 part by weight of light stabilizer, 0.4 part by weight of dispersant C-103, 0.8 part by weight of photoinitiator, 0.4 part by weight of foam stabilizer L-1506, 0.04 part by weight of water, 0.8 part by weight of antioxidant and 0.4 part by weight of liquid pigment;
the B component comprises 35 parts by weight of polyether polyol and 60 parts by weight of isocyanate.
The purity of the epoxy acrylate is more than or equal to 99 percent; the photoinitiator is a photoinitiator 1173, the isocyanate is modified diphenylmethane diisocyanate, the chain extender is Ethylene Glycol (EG), the amine catalyst is diethylene Diamine (DEA), and the polyester polyol is polyester diol; the molecular weight of the polyester diol is selected from a mixture of 1000g/mol, 2000g/mol and 4000g/mol, the polyether polyol is polyether diol and polyether triol, the molar ratio of the polyether diol to the polyether triol is 2:3, and the powder is a mixture of talcum powder, heavy calcium carbonate, light calcium carbonate and nano calcium.
The preparation method of the high-wear-resistance high-stability polyurethane micro-foaming runway material is characterized by comprising the following steps of:
(1) Preparing the component A: respectively weighing the polyester polyol, the polyether polyol, the epoxy acrylate, the powder, the chain extender, the amine catalyst, the light stabilizer, the dispersing agent C-103, the photoinitiator, the foam stabilizer L-1506, the water and the antioxidant 1010 according to a formula; adding the components into a stirring barrel, stirring for 2 hours at 1500 rpm by using a dispersing machine, uniformly stirring, and then adding into an A material cylinder of a low-pressure foaming machine, wherein the temperature of the A material cylinder is controlled to be 25 ℃, so as to obtain the component A.
(2) Preparing the component B: and respectively weighing the polyether polyol and the isocyanate in the component B according to a formula, putting the polyether polyol and the isocyanate into a reaction kettle, heating to 80 ℃, reacting for 4 hours, and obtaining the component B after titration of NCO content to a theoretical value or a value close to the theoretical value.
(3) Preparing a high-wear-resistance high-stability polyurethane micro-foaming runway material: adding the component B into a material cylinder B of the low-pressure foaming machine, and mixing the component A with the component B1: and (3) adjusting the material flow output by the material cylinder A and the material flow output by the material cylinder B according to the proportion of 0.8, conveying the component A and the component B into a mixing chamber of the foaming machine, fully and uniformly stirring, injecting into a mould preheated to 50 ℃ in advance, solidifying, and taking out to obtain the high-wear-resistance high-stability polyurethane micro-foaming runway material.
Example 3
The high-wear-resistance high-stability polyurethane micro-foaming runway material provided by the embodiment of the invention comprises a component A and a component B, wherein the component A comprises 30 parts by weight of polyester polyol, 30 parts by weight of polyether polyol, 5 parts by weight of epoxy acrylate, 7 parts by weight of powder, 2 parts by weight of chain extender, 2 parts by weight of amine catalyst, 0.7 part by weight of light stabilizer, 0.3 part by weight of dispersant C-103, 0.7 part by weight of photoinitiator, 0.3 part by weight of foam stabilizer L-1506, 0.03 part by weight of water, 0.7 part by weight of antioxidant and 0.3 part by weight of liquid pigment;
the B component comprises 40 parts by weight of polyether polyol and 55 parts by weight of isocyanate.
The purity of the epoxy acrylate is more than or equal to 99 percent; the photoinitiator is a photoinitiator 907, the isocyanate is modified diphenylmethane diisocyanate, the chain extender is Ethylene Glycol (EG), the amine catalyst is triethylene Tetramine (TEPA), and the polyester polyol is polyester diol; the molecular weight of the polyester diol is selected from a mixture of 1000g/mol, 2000g/mol and 4000g/mol, the polyether polyol is polyether diol and polyether triol, the molar ratio of the polyether diol to the polyether triol is 2:3, and the powder is a mixture of talcum powder, heavy calcium carbonate, light calcium carbonate and nano calcium.
The preparation method of the high-wear-resistance high-stability polyurethane micro-foaming runway material is characterized by comprising the following steps of:
(1) Preparing the component A: respectively weighing the polyester polyol, the polyether polyol, the epoxy acrylate, the powder, the chain extender, the amine catalyst, the light stabilizer, the dispersing agent C-103, the photoinitiator, the foam stabilizer L-1506, the water and the antioxidant 1010 according to a formula; adding the components into a stirring barrel, stirring for 2 hours at 1500 rpm by using a dispersing machine, uniformly stirring, and then adding into an A material cylinder of a low-pressure foaming machine, wherein the temperature of the A material cylinder is controlled to be 25 ℃, so as to obtain the component A.
(2) Preparing the component B: and respectively weighing the polyether polyol and the isocyanate in the component B according to a formula, putting the polyether polyol and the isocyanate into a reaction kettle, heating to 80 ℃, reacting for 4 hours, and obtaining the component B after titration of NCO content to a theoretical value or a value close to the theoretical value.
(3) Preparing a high-wear-resistance high-stability polyurethane micro-foaming runway material: adding the component B into a material cylinder B of the low-pressure foaming machine, and mixing the component A with the component B1: and (3) adjusting the material flow output by the material cylinder A and the material flow output by the material cylinder B according to the proportion of 0.8, conveying the component A and the component B into a mixing chamber of the foaming machine, fully and uniformly stirring, injecting into a mould preheated to 50 ℃ in advance, solidifying, and taking out to obtain the high-wear-resistance high-stability polyurethane micro-foaming runway material.
Example 4
The high-wear-resistance high-stability polyurethane micro-foaming runway material provided by the embodiment of the invention comprises a component A and a component B, wherein the component A comprises 32 parts by weight of polyester polyol, 28 parts by weight of polyether polyol, 4 parts by weight of epoxy acrylate, 6 parts by weight of powder, 2 parts by weight of chain extender, 2 parts by weight of amine catalyst, 0.6 part by weight of light stabilizer, 0.2 part by weight of dispersant C-103, 0.6 part by weight of photoinitiator, 0.2 part by weight of foam stabilizer L-1506, 0.02 part by weight of water, 0.5 part by weight of antioxidant and 0.3 part by weight of liquid pigment;
the B component comprises 42 parts by weight of polyether polyol and 50 parts by weight of isocyanate.
The purity of the epoxy acrylate is more than or equal to 99 percent; the photoinitiator is a photoinitiator 184, the isocyanate is modified diphenylmethane diisocyanate, the chain extender is Ethylene Glycol (EG), the amine catalyst is triethylene Tetramine (TEPA), and the polyester polyol is polyester diol; the molecular weight of the polyester diol is selected from a mixture of 1000g/mol, 2000g/mol and 4000g/mol, the polyether polyol is polyether diol and polyether triol, the molar ratio of the polyether diol to the polyether triol is 2:3, and the powder is a mixture of talcum powder, heavy calcium carbonate, light calcium carbonate and nano calcium.
The preparation method of the high-wear-resistance high-stability polyurethane micro-foaming runway material is characterized by comprising the following steps of:
(1) Preparing the component A: respectively weighing the polyester polyol, the polyether polyol, the epoxy acrylate, the powder, the chain extender, the amine catalyst, the light stabilizer, the dispersing agent C-103, the photoinitiator, the foam stabilizer L-1506, the water and the antioxidant 1010 according to a formula; adding the components into a stirring barrel, stirring for 2 hours at 1500 rpm by using a dispersing machine, uniformly stirring, and then adding into an A material cylinder of a low-pressure foaming machine, wherein the temperature of the A material cylinder is controlled to be 25 ℃, so as to obtain the component A.
(2) Preparing the component B: and respectively weighing the polyether polyol and the isocyanate in the component B according to a formula, putting the polyether polyol and the isocyanate into a reaction kettle, heating to 80 ℃, reacting for 4 hours, and obtaining the component B after titration of NCO content to a theoretical value or a value close to the theoretical value.
(3) Preparing a high-wear-resistance high-stability polyurethane micro-foaming runway material: adding the component B into a material cylinder B of the low-pressure foaming machine, and mixing the component A with the component B1: and (3) adjusting the material flow output by the material cylinder A and the material flow output by the material cylinder B according to the proportion of 0.8, conveying the component A and the component B into a mixing chamber of the foaming machine, fully and uniformly stirring, injecting into a mould preheated to 50 ℃ in advance, solidifying, and taking out to obtain the high-wear-resistance high-stability polyurethane micro-foaming runway material.
Example 5
The high-wear-resistance high-stability polyurethane micro-foaming runway material provided by the embodiment of the invention comprises a component A and a component B, wherein the component A comprises 35 parts by weight of polyester polyol, 25 parts by weight of polyether polyol, 3 parts by weight of epoxy acrylate, 5 parts by weight of powder, 1 part by weight of chain extender, 1 part by weight of amine catalyst, 0.5 part by weight of light stabilizer, 0.1 part by weight of dispersant C-103, 0.5 part by weight of photoinitiator, 0.1 part by weight of foam stabilizer L-1506, 0.01 part by weight of water, 0.2 part by weight of antioxidant and 0.5 part by weight of liquid pigment;
the B component comprises 45 parts by weight of polyether polyol and 45 parts by weight of isocyanate.
The purity of the epoxy acrylate is more than or equal to 99 percent; the photoinitiator is a photoinitiator 184, the isocyanate is modified diphenylmethane diisocyanate, the chain extender is Ethylene Glycol (EG), the amine catalyst is triethylene Tetramine (TEPA), and the polyester polyol is polyester diol; the molecular weight of the polyester diol is selected from a mixture of 1000g/mol, 2000g/mol and 4000g/mol, the polyether polyol is polyether diol and polyether triol, the molar ratio of the polyether diol to the polyether triol is 2:3, and the powder is a mixture of talcum powder, heavy calcium carbonate, light calcium carbonate and nano calcium.
The preparation method of the high-wear-resistance high-stability polyurethane micro-foaming runway material is characterized by comprising the following steps of:
(1) Preparing the component A: respectively weighing the polyester polyol, the polyether polyol, the epoxy acrylate, the powder, the chain extender, the amine catalyst, the light stabilizer, the dispersing agent C-103, the photoinitiator, the foam stabilizer L-1506, the water and the antioxidant 1010 according to a formula; adding the components into a stirring barrel, stirring for 2 hours at 1500 rpm by using a dispersing machine, uniformly stirring, and then adding into an A material cylinder of a low-pressure foaming machine, wherein the temperature of the A material cylinder is controlled to be 25 ℃, so as to obtain the component A.
(2) Preparing the component B: and respectively weighing the polyether polyol and the isocyanate in the component B according to a formula, putting the polyether polyol and the isocyanate into a reaction kettle, heating to 80 ℃, reacting for 4 hours, and obtaining the component B after titration of NCO content to a theoretical value or a value close to the theoretical value.
(3) Preparing a high-wear-resistance high-stability polyurethane micro-foaming runway material: adding the component B into a material cylinder B of the low-pressure foaming machine, and mixing the component A with the component B1: and (3) adjusting the material flow output by the material cylinder A and the material flow output by the material cylinder B according to the proportion of 0.8, conveying the component A and the component B into a mixing chamber of the foaming machine, fully and uniformly stirring, injecting into a mould preheated to 50 ℃ in advance, solidifying, and taking out to obtain the high-wear-resistance high-stability polyurethane micro-foaming runway material.
Comparative example 1
The high-wear-resistance high-stability polyurethane micro-foaming runway material provided by the embodiment of the invention comprises a component A and a component B, wherein the component A comprises 25 parts by weight of polyester polyol, 35 parts by weight of polyether polyol, 10 parts by weight of powder, 3 parts by weight of chain extender, 3 parts by weight of amine catalyst, 1 part by weight of light stabilizer, 0.5 part by weight of dispersant C-103, 1 part by weight of ultraviolet absorber, 0.5 part by weight of foam stabilizer L-1506, 0.05 part by weight of water, 1 part by weight of antioxidant and 1 part by weight of liquid pigment;
the B component comprises 30 parts by weight of polyether polyol and 65 parts by weight of isocyanate.
The purity of the epoxy acrylate is more than or equal to 99 percent; the isocyanate is modified diphenylmethane diisocyanate, the chain extender is Ethylene Glycol (EG), the amine catalyst is diethylene Diamine (DEA), and the polyester polyol is polyester diol; the molecular weight of the polyester diol is selected from a mixture of 1000g/mol, 2000g/mol and 4000g/mol, the polyether polyol is polyether diol and polyether triol, the molar ratio of the polyether diol to the polyether triol is 2:3, and the powder is a mixture of talcum powder, heavy calcium carbonate, light calcium carbonate and nano calcium.
The preparation method of the high-wear-resistance high-stability polyurethane micro-foaming runway material is characterized by comprising the following steps of:
(1) Preparing the component A: respectively weighing the polyester polyol, the polyether polyol, the epoxy acrylate, the powder, the chain extender, the amine catalyst, the light stabilizer, the dispersing agent C-103, the ultraviolet absorber, the foam stabilizer L-1506, the water and the antioxidant 1010 according to a formula; adding the components into a stirring barrel, stirring for 2 hours at 1500 rpm by using a dispersing machine, uniformly stirring, and then adding into an A material cylinder of a low-pressure foaming machine, wherein the temperature of the A material cylinder is controlled to be 25 ℃, so as to obtain the component A.
(2) Preparing the component B: and respectively weighing the polyether polyol and the isocyanate in the component B according to a formula, putting the polyether polyol and the isocyanate into a reaction kettle, heating to 80 ℃, reacting for 4 hours, and obtaining the component B after titration of NCO content to a theoretical value or a value close to the theoretical value.
(3) Preparing a high-wear-resistance high-stability polyurethane micro-foaming runway material: adding the component B into a material cylinder B of the low-pressure foaming machine, and mixing the component A with the component B1: and (3) adjusting the material flow output by the material cylinder A and the material flow output by the material cylinder B according to the proportion of 0.8, conveying the component A and the component B into a mixing chamber of the foaming machine, fully and uniformly stirring, injecting into a mould preheated to 50 ℃ in advance, solidifying, and taking out to obtain the high-wear-resistance high-stability polyurethane micro-foaming runway material.
Comparative example 2
The high-wear-resistance high-stability polyurethane micro-foaming runway material provided by the embodiment of the invention comprises a component A and a component B, wherein the component A comprises 25 parts by weight of polyester polyol, 35 parts by weight of polyether polyol, 8 parts by weight of epoxy resin, 10 parts by weight of powder, 3 parts by weight of chain extender, 3 parts by weight of amine catalyst, 1 part by weight of light stabilizer, 0.5 part by weight of dispersant C-103, 1 part by weight of ultraviolet absorber, 0.5 part by weight of foam stabilizer L-1506, 0.05 part by weight of water, 1 part by weight of antioxidant and 1 part by weight of liquid pigment;
the B component comprises 30 parts by weight of polyether polyol and 65 parts by weight of isocyanate.
The isocyanate is modified diphenylmethane diisocyanate, the chain extender is Ethylene Glycol (EG), the amine catalyst is diethylene Diamine (DEA), and the polyester polyol is polyester diol; the molecular weight of the polyester diol is selected from a mixture of 1000g/mol, 2000g/mol and 4000g/mol, the polyether polyol is polyether diol and polyether triol, the molar ratio of the polyether diol to the polyether triol is 2:3, and the powder is a mixture of talcum powder, heavy calcium carbonate, light calcium carbonate and nano calcium.
The preparation method of the high-wear-resistance high-stability polyurethane micro-foaming runway material is characterized by comprising the following steps of:
(1) Preparing the component A: respectively weighing the polyester polyol, the polyether polyol, the epoxy resin, the powder, the chain extender, the amine catalyst, the light stabilizer, the dispersing agent C-103, the photoinitiator, the foam stabilizer L-1506, the water and the antioxidant 1010 according to a formula; adding the components into a stirring barrel, stirring for 2 hours at 1500 rpm by using a dispersing machine, uniformly stirring, and then adding into an A material cylinder of a low-pressure foaming machine, wherein the temperature of the A material cylinder is controlled to be 25 ℃, so as to obtain the component A.
(2) Preparing the component B: and respectively weighing the polyether polyol and the isocyanate in the component B according to a formula, putting the polyether polyol and the isocyanate into a reaction kettle, heating to 80 ℃, reacting for 4 hours, and obtaining the component B after titration of NCO content to a theoretical value or a value close to the theoretical value.
(3) Preparing a high-wear-resistance high-stability polyurethane micro-foaming runway material: adding the component B into a material cylinder B of the low-pressure foaming machine, and mixing the component A with the component B1: and (3) adjusting the material flow output by the material cylinder A and the material flow output by the material cylinder B according to the proportion of 0.8, conveying the component A and the component B into a mixing chamber of the foaming machine, fully and uniformly stirring, injecting into a mould preheated to 50 ℃ in advance, solidifying, and taking out to obtain the high-wear-resistance high-stability polyurethane micro-foaming runway material.
Comparative example 3
The high-wear-resistance high-stability polyurethane micro-foaming runway material provided by the embodiment of the invention comprises a component A and a component B, wherein the component A comprises 25 parts by weight of polyester polyol, 35 parts by weight of polyether polyol, 8 parts by weight of acrylic ester, 10 parts by weight of powder, 3 parts by weight of chain extender, 3 parts by weight of amine catalyst, 1 part by weight of light stabilizer, 0.5 part by weight of dispersant C-103, 1 part by weight of photoinitiator, 0.5 part by weight of foam stabilizer L-1506, 0.05 part by weight of water, 1 part by weight of antioxidant and 1 part by weight of liquid pigment;
the B component comprises 30 parts by weight of polyether polyol and 65 parts by weight of isocyanate.
The photoinitiator is a photoinitiator 184, the isocyanate is modified diphenylmethane diisocyanate, the chain extender is Ethylene Glycol (EG), the amine catalyst is diethylene Diamine (DEA), and the polyester polyol is polyester diol; the molecular weight of the polyester diol is selected from a mixture of 1000g/mol, 2000g/mol and 4000g/mol, the polyether polyol is polyether diol and polyether triol, the molar ratio of the polyether diol to the polyether triol is 2:3, and the powder is a mixture of talcum powder, heavy calcium carbonate, light calcium carbonate and nano calcium.
The preparation method of the high-wear-resistance high-stability polyurethane micro-foaming runway material is characterized by comprising the following steps of:
(1) Preparing the component A: respectively weighing the polyester polyol, the polyether polyol, the acrylic ester, the powder, the chain extender, the amine catalyst, the light stabilizer, the dispersing agent C-103, the photoinitiator, the foam stabilizer L-1506, the water and the antioxidant 1010 according to a formula; adding the components into a stirring barrel, stirring for 2 hours at 1500 rpm by using a dispersing machine, uniformly stirring, and then adding into an A material cylinder of a low-pressure foaming machine, wherein the temperature of the A material cylinder is controlled to be 25 ℃, so as to obtain the component A.
(2) Preparing the component B: and respectively weighing the polyether polyol and the isocyanate in the component B according to a formula, putting the polyether polyol and the isocyanate into a reaction kettle, heating to 80 ℃, reacting for 4 hours, and obtaining the component B after titration of NCO content to a theoretical value or a value close to the theoretical value.
(3) Preparing a high-wear-resistance high-stability polyurethane micro-foaming runway material: adding the component B into a material cylinder B of the low-pressure foaming machine, and mixing the component A with the component B1: and (3) adjusting the material flow output by the material cylinder A and the material flow output by the material cylinder B according to the proportion of 0.8, conveying the component A and the component B into a mixing chamber of the foaming machine, fully and uniformly stirring, injecting into a mould preheated to 50 ℃ in advance, solidifying, and taking out to obtain the high-wear-resistance high-stability polyurethane micro-foaming runway material.
The rest of the present embodiment is the same as the first embodiment, and the unexplained features in the present embodiment are all explained by the first embodiment, and are not described here again. The high abrasion resistance and high stability polyurethane micro-foaming runway materials of examples 1-5 and the high abrasion resistance and high stability polyurethane micro-foaming runway materials of comparative examples 1-3 were subjected to unified experimental comparison, hardness, tensile strength, elongation at break and odor were tested according to the standard GB/36246-2018, abrasion loss was tested according to the standard GB/T1689-1998, total volatile organic matters were tested according to the standard GB/T18883-2002 (SGS third party external inspection), and the values of the performance test parameters of examples are shown in Table 1.
TABLE 1
Experimental data show that the polyurethane micro-foaming runway material with high wear resistance and high stability has excellent wear resistance and stability, good tensile strength and elongation at break performance after aging, and good environmental protection performance, and total volatile substances and odor meet the national standard.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.

Claims (10)

1. The high wear-resistant high-stability polyurethane micro-foaming runway material is characterized by comprising a component A and a component B, wherein the component A comprises 25-35 parts by weight of polyester polyol, 25-35 parts by weight of polyether polyol, 3-8 parts by weight of epoxy acrylate, 5-10 parts by weight of powder, 1-3 parts by weight of chain extender, 1-3 parts by weight of amine catalyst, 0.5-1 part by weight of light stabilizer, 0.1-0.5 part by weight of dispersant C-103, 0.5-1 part by weight of photoinitiator, 0.1-0.5 part by weight of foam stabilizer L-1506, 0.01-0.05 part by weight of water, 0.2-1 part by weight of antioxidant and 0.5-1 part by weight of liquid pigment;
the component B comprises 30-45 parts by weight of polyether polyol and 45-65 parts by weight of isocyanate.
2. The high wear-resistant high-stability polyurethane micro-foaming runway material according to claim 1, wherein the purity of the epoxy acrylate is more than or equal to 99%.
3. The high abrasion resistant high stability polyurethane micro-foam racetrack material of claim 1, wherein the photoinitiator is one or a mixture of a plurality of photoinitiators 184, 1173 and 907.
4. The high wear-resistant high-stability polyurethane micro-foaming runway material according to claim 1 wherein the isocyanate is liquefied diphenylmethane diisocyanate or/and modified diphenylmethane diisocyanate.
5. The highly abrasion-resistant and highly stable polyurethane micro-foaming runway material according to claim 1, wherein the chain extender is one or a mixture of several of Ethylene Glycol (EG), 1, 4-Butanediol (BDO), 4 '-diamino-3, 3' -dichlorodiphenyl Methane (MOCA) and Trimethylolpropane (TMP).
6. The high abrasion resistant high stability polyurethane micro-foaming runway material according to claim 1 wherein the amine catalyst is diethylene Diamine (DEA) or/and triethylene Tetramine (TEPA).
7. The high wear resistant high stability polyurethane micro-foaming runway material of claim 1 wherein the polyester polyol is a polyester diol; the molecular weight of the polyester diol is selected from one or a mixture of 1000g/mol, 2000g/mol and 4000 g/mol.
8. The high wear resistant high stability polyurethane micro-foaming runway material of claim 1, wherein the polyether polyol is polyether glycol and polyether triol, and the molar ratio of the polyether glycol to the polyether triol is 2:3.
9. The high-wear-resistance high-stability polyurethane micro-foaming runway material according to claim 1, wherein the powder is one or a mixture of a plurality of talcum powder, heavy calcium carbonate, light calcium carbonate and nano calcium.
10. The method for preparing the high wear-resistant high-stability polyurethane micro-foaming runway material according to any one of claims 1 to 9, which is characterized by comprising the following steps:
(1) Preparing the component A: respectively weighing the polyester polyol, the polyether polyol, the epoxy acrylate, the powder, the chain extender, the amine catalyst, the light stabilizer, the dispersing agent C-103, the photoinitiator, the foam stabilizer L-1506, the water and the antioxidant 1010 according to a formula; adding the components into a stirring barrel, stirring for 1-2 hours at 1000-2000 rpm by using a dispersing machine, uniformly stirring, and then adding into an A material cylinder of a low-pressure foaming machine, and controlling the temperature of the A material cylinder to be 20-25 ℃ to obtain a component A;
(2) Preparing the component B: respectively weighing the polyether polyol and the isocyanate in the component B according to a formula, putting the polyether polyol and the isocyanate into a reaction kettle, heating to 70-90 ℃, reacting for 3-5 hours, and titrating the NCO content to a theoretical value or close to the theoretical value to obtain the component B;
(3) Preparing a high-wear-resistance high-stability polyurethane micro-foaming runway material: adding the component B into a material cylinder B of the low-pressure foaming machine, and mixing the component A with the component B1: and (3) adjusting the material flow output by the material cylinder A and the material flow output by the material cylinder B according to the proportion of 0.6-1, conveying the component A and the component B into a mixing chamber of the foaming machine, fully and uniformly stirring, injecting into a mould preheated to 40-50 ℃ in advance, solidifying, and taking out to obtain the high-wear-resistance high-stability polyurethane micro-foaming runway material.
CN202311082124.4A 2023-08-26 2023-08-26 High-wear-resistance high-stability polyurethane micro-foaming runway material and preparation method thereof Pending CN117106153A (en)

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