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CN111647266A - Polyurethane foam material and preparation method thereof - Google Patents

Polyurethane foam material and preparation method thereof Download PDF

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Publication number
CN111647266A
CN111647266A CN202010572454.1A CN202010572454A CN111647266A CN 111647266 A CN111647266 A CN 111647266A CN 202010572454 A CN202010572454 A CN 202010572454A CN 111647266 A CN111647266 A CN 111647266A
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parts
polyurethane foam
foaming
temperature
agent
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Inventor
王振锋
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Shanghai Kedun Medical Instrument Science & Technology Co ltd
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Shanghai Kedun Medical Instrument Science & Technology Co ltd
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Priority to CN202010572454.1A priority Critical patent/CN111647266A/en
Publication of CN111647266A publication Critical patent/CN111647266A/en
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
    • C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
    • C08J9/102—Azo-compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • C08G18/4804—Two or more polyethers of different physical or chemical nature
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • C08G18/4804—Two or more polyethers of different physical or chemical nature
    • C08G18/4812—Mixtures of polyetherdiols with polyetherpolyols having at least three hydroxy groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • C08G18/4825—Polyethers containing two hydroxy groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • C08G18/4829—Polyethers containing at least three hydroxy groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0014—Use of organic additives
    • C08J9/0028—Use of organic additives containing nitrogen
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0014—Use of organic additives
    • C08J9/0038—Use of organic additives containing phosphorus
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0066—Use of inorganic compounding ingredients
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0066—Use of inorganic compounding ingredients
    • C08J9/0071—Nanosized fillers, i.e. having at least one dimension below 100 nanometers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/009—Use of pretreated compounding ingredients
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
    • C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
    • C08J9/141—Hydrocarbons
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2101/00—Manufacture of cellular products
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2203/00—Foams characterized by the expanding agent
    • C08J2203/04—N2 releasing, ex azodicarbonamide or nitroso compound
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2203/00—Foams characterized by the expanding agent
    • C08J2203/14—Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2203/00—Foams characterized by the expanding agent
    • C08J2203/18—Binary blends of expanding agents
    • C08J2203/184—Binary blends of expanding agents of chemical foaming agent and physical blowing agent, e.g. azodicarbonamide and fluorocarbon
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2375/04—Polyurethanes
    • C08J2375/08—Polyurethanes from polyethers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2483/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen, or carbon only; Derivatives of such polymers
    • C08J2483/04—Polysiloxanes

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  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Nanotechnology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention discloses a polyurethane foam material which comprises the following raw materials in parts by weight: 50-65 parts of polyether polyol, 15-20 parts of isocyanate, 5-10 parts of low-temperature resistant silicon rubber, 8-12 parts of modified attapulgite, 3-6 parts of a flame retardant, 1-3 parts of an antioxidant, 1-3 parts of a foaming agent, 5-8 parts of a chain extender, 1-3 parts of a benzotriazole ultraviolet resistant agent, 0.5-3 parts of a pigment, 5-10 parts of a filler and 2-4 parts of a plasticizer. According to the invention, the nano-silica is added into the foaming agent, so that the modification of the foaming agent on polyurethane is effectively improved, the toughness of the foamed material after foaming is enhanced, and the foamed material has high wear resistance and tensile resistance. The foaming material prepared by adding the low-temperature-resistant silicone rubber in the preparation process has a good low-temperature-resistant effect, the application range of the foaming material is enlarged, and the ultraviolet-resistant agent and the flame retardant are added in the preparation process, so that the foaming material has good ultraviolet radiation resistance and flame retardant effect, and the service life of the foaming material is prolonged.

Description

Polyurethane foam material and preparation method thereof
Technical Field
The invention relates to a polyurethane foam material and a preparation method thereof, in particular to the technical field of polyurethane material preparation.
Background
The polyurethane foaming product refers to a plastic product which is prepared by taking resin as a matrix and has multiple micro-cells in the material. Because the interior of the hollow fiber is provided with a plurality of pores and is filled with air, the hollow fiber has light specific gravity and excellent heat insulation, sound insulation, shock absorption and other performances. Almost all high polymer materials can be processed into foaming materials at the present stage, so that the application field of the foaming materials is widened, and the cost is reduced.
The polyurethane foaming material is characterized by having a changeable polymer structure and meeting the application requirements in a large range, but due to the limitation of the traditional foaming material and process, the polyester amine foaming material, especially the hard foam, is deficient in toughness because of a closed cell structure, but the foaming material is mainly used for building materials, the service life and the service performance of the foaming material are also influenced by the toughness, and therefore, the improvement of the toughness of the foaming material is a hot point in the prior stage. And some areas are cooler, which puts higher demands on the cold resistance limit of the polyurethane material.
Disclosure of Invention
The invention aims to provide a polyurethane foam material and a preparation method thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the polyurethane foam material comprises the following raw materials in parts by weight: 50-65 parts of polyether polyol, 15-20 parts of isocyanate, 5-10 parts of low-temperature resistant silicon rubber, 8-12 parts of modified attapulgite, 3-6 parts of a flame retardant, 1-3 parts of an antioxidant, 1-3 parts of a foaming agent, 5-8 parts of a chain extender, 1-3 parts of a benzotriazole ultraviolet resistant agent, 0.5-3 parts of a pigment, 5-10 parts of a filler and 2-4 parts of a plasticizer.
Further preferably, the polyurethane foam material comprises the following raw materials in parts by weight: 60 parts of polyether polyol, 18 parts of isocyanate, 8 parts of low-temperature-resistant silicon rubber, 10 parts of modified attapulgite, 5 parts of a flame retardant, 2 parts of an antioxidant, 2 parts of a foaming agent, 6 parts of a chain extender, 2 parts of a benzotriazole ultraviolet resistant agent, 1 part of a pigment, 6 parts of a filler and 3 parts of a plasticizer.
Preferably, the polyether polyol comprises polyether diol, polyether triol and polyether tetraol, wherein the mass ratio of the polyether diol to the polyether triol to the polyether tetraol is 1: 2.
preferably, the filler is one or a mixture of talcum powder, quartz powder, montmorillonite, kaolin and aluminum hydroxide.
Preferably, the foaming agent is prepared from the following raw materials in percentage by mass: 25% of cyclopentane, 25% of isobutane, 20% of n-pentane, 10% of nano silicon dioxide, 10% of azodiisobutyronitrile and 10% of aluminum dihydrogen phosphate.
Preferably, the flame retardant is environment-friendly TCPP and TEP.
Preferably, the antibacterial agent is a metal nano antibacterial agent.
The preparation method of the polyurethane foam material comprises the following steps: adding polyether polyol into a stirring kettle according to the raw material proportion by weight of the polyurethane foam material, heating to 80-100 ℃, mixing with low-temperature-resistant silicon rubber, uniformly oscillating by adopting ultrasonic waves to obtain a mixture A, adding the modified attapulgite, the flame retardant, the antioxidant, the foaming agent, the chain extender, the benzotriazole ultraviolet-resistant agent, the pigment, the filler and the plasticizer into the mixture A, and stirring by using a stirrer at the stirring speed of 100 plus materials and the stirring time of 1-2 hours until the materials are completely mixed to obtain a mixture B;
adding isocyanate into the mixture B, foaming for 25-30 minutes at the temperature of 25-30 ℃, curing for 2-5 hours at the temperature of 60-70 ℃, and curing for 2-5 hours at the temperature of 5-25 ℃.
Compared with the prior art, the invention has the beneficial effects that: 1. the foaming agent disclosed by the invention can effectively improve the foaming efficiency of polyurethane, and meanwhile, the porosity of the obtained foaming material is enhanced, and the shock resistance of the foaming material is enhanced.
2. According to the invention, the nano-silica is added into the foaming agent, so that the modification of the foaming agent on polyurethane is effectively improved, the toughness of the foamed material after foaming is enhanced, and the foamed material has high wear resistance and tensile resistance.
3. The foaming material prepared by adding the low-temperature-resistant silicone rubber in the preparation process has a good low-temperature-resistant effect, the application range of the foaming material is enlarged, and the ultraviolet-resistant agent and the flame retardant are added in the preparation process, so that the foaming material has good ultraviolet radiation resistance and flame retardant effect, and the service life of the foaming material is prolonged.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1: the polyurethane foam material comprises the following raw materials in parts by weight: 50 parts of polyether polyol, 15 parts of isocyanate, 5 parts of low-temperature-resistant silicon rubber, 8 parts of modified attapulgite, 3 parts of a flame retardant, 1 part of an antioxidant, 1 part of a foaming agent, 5 parts of a chain extender, 1 part of a benzotriazole ultraviolet resistant agent, 0.5 part of a pigment, 5 parts of a filler and 2 parts of a plasticizer.
The preparation method of the polyurethane foam material comprises the following steps: adding polyether polyol into a stirring kettle, heating to 85 ℃, mixing with low-temperature-resistant silicon rubber according to the raw material weight part ratio of the polyurethane foam material in the embodiment 1, uniformly oscillating by adopting ultrasonic waves to obtain a mixture A, adding modified attapulgite, a flame retardant, an antioxidant, a foaming agent, a chain extender, a benzotriazole ultraviolet-resistant agent, a pigment, a filler and a plasticizer into the mixture A, and stirring by using a stirrer at the stirring speed of 200r/min for 1.5 hours until the materials are completely mixed to obtain a mixture B;
adding isocyanate into the mixture B, foaming for 28 minutes at the temperature of 28 ℃, curing for 3 hours at the temperature of 65 ℃, and curing for 3 hours at the temperature of 20 ℃.
Example 2: the polyurethane foam material comprises the following raw materials in parts by weight: 65 parts of polyether polyol, 20 parts of isocyanate, 10 parts of low-temperature resistant silicone rubber, 12 parts of modified attapulgite, 6 parts of a flame retardant, 3 parts of an antioxidant, 3 parts of a foaming agent, 8 parts of a chain extender, 3 parts of a benzotriazole ultraviolet resistant agent, 3 parts of a pigment, 10 parts of a filler and 4 parts of a plasticizer, wherein the preparation method of the embodiment 2 is the same as that of the embodiment 1.
Example 3: the polyurethane foam material comprises the following raw materials in parts by weight: 60 parts of polyether polyol, 18 parts of isocyanate, 8 parts of low-temperature-resistant silicon rubber, 10 parts of modified attapulgite, 5 parts of a flame retardant, 2 parts of an antioxidant, 2 parts of a foaming agent, 6 parts of a chain extender, 2 parts of a benzotriazole ultraviolet resistant agent, 1 part of a pigment, 6 parts of a filler and 3 parts of a plasticizer. Example 3 the preparation method was the same as in example 1.
The comparative example comprises the following raw materials in parts by weight: 65 parts of polyether polyol, 20 parts of isocyanate, 12 parts of modified attapulgite, 6 parts of a flame retardant, 3 parts of an antioxidant, 3 parts of a foaming agent, 8 parts of a chain extender, 3 parts of a benzotriazole ultraviolet resistant agent, 3 parts of a pigment, 10 parts of a filler and 4 parts of a plasticizer. Example 2 the preparation was the same as in example 1 and the blowing agent was n-pentane.
The polyurethane foams of examples 1 to 3 and comparative example were subjected to a performance test, and the results of the flame retardancy rating, tensile strength and rebound resilience were shown in Table 1.
TABLE 1
Figure BDA0002549915720000041
Therefore, the tensile strength, the rebound rate and the elongation at break of the polyurethane foam materials prepared in the examples 1 to 3 are better than those of the comparative example.
Low temperature resistance test, wherein the polyurethane foams prepared in examples 1 to 3 were coated on the surface of a liquid nitrogen tank (surface temperature of the liquid nitrogen tank is-50 ℃) in a thickness of 180mm, and the morphology of the polyurethane foam was observed after a lapse of 36 hours, and the results are shown in Table 2.
TABLE 2
Figure BDA0002549915720000051
Therefore, the polyurethane foam materials prepared in the examples 1 to 3 have better low temperature resistance.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims (8)

1. A polyurethane foam material is characterized in that: the polyurethane foam material comprises the following raw materials in parts by weight: 50-65 parts of polyether polyol, 15-20 parts of isocyanate, 5-10 parts of low-temperature resistant silicon rubber, 8-12 parts of modified attapulgite, 3-6 parts of a flame retardant, 1-3 parts of an antioxidant, 1-3 parts of a foaming agent, 5-8 parts of a chain extender, 1-3 parts of a benzotriazole ultraviolet resistant agent, 0.5-3 parts of a pigment, 5-10 parts of a filler and 2-4 parts of a plasticizer.
2. The polyurethane foam according to claim 1, wherein: the polyurethane foam material comprises the following raw materials in parts by weight: 60 parts of polyether polyol, 18 parts of isocyanate, 8 parts of low-temperature-resistant silicon rubber, 10 parts of modified attapulgite, 5 parts of a flame retardant, 2 parts of an antioxidant, 2 parts of a foaming agent, 6 parts of a chain extender, 2 parts of a benzotriazole ultraviolet resistant agent, 1 part of a pigment, 6 parts of a filler and 3 parts of a plasticizer.
3. The polyurethane foam according to claim 1, wherein: the polyether polyol comprises polyether diol, polyether triol and polyether tetraol, wherein the mass ratio of the polyether diol to the polyether triol to the polyether tetraol is 1: 2.
4. the polyurethane foam according to claim 1, wherein: the filler is one or a mixture of talcum powder, quartz powder, montmorillonite, kaolin and aluminum hydroxide.
5. The polyurethane foam according to claim 1, wherein: the foaming agent comprises the following raw materials in percentage by mass: 25% of cyclopentane, 25% of isobutane, 20% of n-pentane, 10% of nano silicon dioxide, 10% of azodiisobutyronitrile and 10% of aluminum dihydrogen phosphate.
6. The polyurethane foam according to claim 1, wherein: the flame retardant is environment-friendly TCPP and TEP.
7. The polyurethane foam according to claim 1, wherein: the antibacterial agent is a metal nano antibacterial agent.
8. A preparation method of a polyurethane foam material is characterized by comprising the following steps: the specific method comprises the following steps: adding polyether polyol into a stirring kettle according to the raw material proportion by weight of the polyurethane foam material, heating to 80-100 ℃, mixing with low-temperature-resistant silicon rubber, uniformly oscillating by adopting ultrasonic waves to obtain a mixture A, adding the modified attapulgite, the flame retardant, the antioxidant, the foaming agent, the chain extender, the benzotriazole ultraviolet-resistant agent, the pigment, the filler and the plasticizer into the mixture A, and stirring by using a stirrer at the stirring speed of 100 plus materials and the stirring time of 1-2 hours until the materials are completely mixed to obtain a mixture B;
adding isocyanate into the mixture B, foaming for 25-30 minutes at the temperature of 25-30 ℃, curing for 2-5 hours at the temperature of 60-70 ℃, and curing for 2-5 hours at the temperature of 5-25 ℃.
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109734859A (en) * 2019-01-16 2019-05-10 荆晓东 The preparation method of low temperature resistant new polyurethane material
CN112497413A (en) * 2020-11-29 2021-03-16 千年舟新材科技集团股份有限公司 Foaming material, ultralow-density flame-retardant oriented strand board and preparation method
CN116535989A (en) * 2023-04-17 2023-08-04 重庆永迪高分子材料有限公司 Sponge adhesive tape and preparation method thereof
CN116675830A (en) * 2023-04-24 2023-09-01 广东豪美新材股份有限公司 Buffering energy-absorbing material

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101987884A (en) * 2009-08-03 2011-03-23 中蓝晨光化工研究院有限公司 High oil absorption polyurethane foam and preparation method thereof
CN108676139A (en) * 2018-06-12 2018-10-19 常州天晟新材料研究院有限公司 A kind of sqouynd absorption lowering noise sound insulation polyurethane foamed material and preparation method thereof, application
CN109734859A (en) * 2019-01-16 2019-05-10 荆晓东 The preparation method of low temperature resistant new polyurethane material

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101987884A (en) * 2009-08-03 2011-03-23 中蓝晨光化工研究院有限公司 High oil absorption polyurethane foam and preparation method thereof
CN108676139A (en) * 2018-06-12 2018-10-19 常州天晟新材料研究院有限公司 A kind of sqouynd absorption lowering noise sound insulation polyurethane foamed material and preparation method thereof, application
CN109734859A (en) * 2019-01-16 2019-05-10 荆晓东 The preparation method of low temperature resistant new polyurethane material

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109734859A (en) * 2019-01-16 2019-05-10 荆晓东 The preparation method of low temperature resistant new polyurethane material
CN112497413A (en) * 2020-11-29 2021-03-16 千年舟新材科技集团股份有限公司 Foaming material, ultralow-density flame-retardant oriented strand board and preparation method
CN116535989A (en) * 2023-04-17 2023-08-04 重庆永迪高分子材料有限公司 Sponge adhesive tape and preparation method thereof
CN116675830A (en) * 2023-04-24 2023-09-01 广东豪美新材股份有限公司 Buffering energy-absorbing material

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