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CN107227108A - For road, the water-repellent paint of bridge and preparation method thereof - Google Patents

For road, the water-repellent paint of bridge and preparation method thereof Download PDF

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Publication number
CN107227108A
CN107227108A CN201710294107.5A CN201710294107A CN107227108A CN 107227108 A CN107227108 A CN 107227108A CN 201710294107 A CN201710294107 A CN 201710294107A CN 107227108 A CN107227108 A CN 107227108A
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CN
China
Prior art keywords
water
repellent paint
filler
bridge
road
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710294107.5A
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Chinese (zh)
Inventor
李振霞
陈渊召
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
North China University of Water Resources and Electric Power
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North China University of Water Resources and Electric Power
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Publication date
Application filed by North China University of Water Resources and Electric Power filed Critical North China University of Water Resources and Electric Power
Priority to CN201710294107.5A priority Critical patent/CN107227108A/en
Publication of CN107227108A publication Critical patent/CN107227108A/en
Pending legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D175/00Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04Polyurethanes
    • C09D175/08Polyurethanes from polyethers
    • 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
    • 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
    • C08G18/64Macromolecular compounds not provided for by groups C08G18/42 - C08G18/63
    • C08G18/6476Bituminous materials, e.g. asphalt, coal tar, pitch; derivatives thereof
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D175/00Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04Polyurethanes
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Wood Science & Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Paints Or Removers (AREA)

Abstract

The invention discloses a kind of for road, the water-repellent paint of bridge, by weight percentage, the water-repellent paint is made up of following raw material:PPG 30 35%, methyl diphenylene diisocyanate 5 12%, pitch 20 25%, filler 12 18%, plasticizer 1.5 3%, chlorinated paraffin 12 20%, calcium hydroxide 3 8%, dispersant 2 4%, wetting agent 2 4%, catalyst 0.4 1%, surplus is water, and the invention also discloses the preparation method of the water-repellent paint.Water-repellent paint good leveling property prepared by the present invention, easy construction is pollution-free, and not only cost is low, and excellent combination property.

Description

For road, the water-repellent paint of bridge and preparation method thereof
Technical field
The invention belongs to technical field of coatings, and in particular to a kind of to be used for road, the water-repellent paint of bridge and its preparation side Method.
Background technology
Currently, the waterproof material of Chinese bridge floor is based on coiled material(Account for more than 80%), but with regard to the application effect of waterproof roll From the point of view of, its hidden danger is heavy, channeling water Seepage generally existing.The basic reason for producing this phenomenon is the physics of common coiled material Performance is although excellent, but can not completely be glued with basal plane, and whole waterproof will be caused by not preventing breakage at the generation of channeling water phenomenon, one Layer failure.In consideration of it, the coating water-proof of bridge floor has caused research and development upsurge.
Asphalt polyurethane water-proof paint is a kind of waterproof coating of waterproof extensive concern in recent years.Polyurethane water-proof Coating belongs to synthesis high polymer material, because of its easy construction, and excellent performance can form complete jointless elastic waterproof layer, then Comprehensive otherwise advantage, it is such as highly filled, the favorable comment of architecture field personage is obtained, but its price is of a relatively high.Tar Polyurethane water-proof paint is less expensive because of its price, once voguish at home, can distribute harmful to human due to coal tar therein The gas of health, pollutes environment, in environmental consciousness constantly enhanced today, the existing many cities disablings in the country.In addition, coal tar It is a kind of extremely complex mixture of component, its active component has larger difference with coal and the difference of coke making process, Product quality is difficult to keep stable.
The content of the invention
In view of the above-mentioned problems, being used for road, the water-repellent paint of bridge and its preparation it is an object of the invention to provide a kind of Method, with excellent performance, pollutes small, and the low advantage of cost.
To solve above technical problem, the present invention is achieved through the following technical solutions:
Design is a kind of to be used for road, the water-repellent paint of bridge, by weight percentage, is made up of following raw material:PPG 30- 35%th, methyl diphenylene diisocyanate 5-12%, pitch 20-25%, filler 12-18%, plasticizer 1.5-3%, chlorinated paraffin 12- 20%th, calcium hydroxide 3-8%, dispersant 2-4%, wetting agent 2-4%, catalyst 0.4-1%, surplus is water.
Preferably, the water-repellent paint by weight percentage, is made up of following raw material:PPG 30%, diphenylmethyl Alkane diisocyanate 7.5%, pitch 20%, filler 12%, plasticizer 2%, chlorinated paraffin 12%, calcium hydroxide 4%, dispersant 2%, profit Humectant 2%, catalyst 0.5% and water 8%.
Preferably, the filler is at least one of talcum powder and precipitated calcium carbonate, the mesh of the fineness of filler >=300.
Preferably, the dispersant is polyethylene glycol 400, and the wetting agent is Morwet EF.
Preferably, the plasticizer is in phthalic acid, dibutyl phthalate and dioctyl phthalate It is at least one.
Preferably, the catalyst be stannous octoate, dibutyl tin laurate, triethylene diamine and triethylamine in extremely Few one kind.
Present invention also offers the above-mentioned preparation method for road, the water-repellent paint of bridge, comprise the following steps:
(1)Raw material is equipped with by above-mentioned percentage by weight, PPG, pitch are added in reactor, are stirred and heated to 110-125 DEG C, then 1-2h is dehydrated under -0.08 to -0.09MPa vacuum, vacuum is then removed, 60-70 DEG C is cooled to, Methyl diphenylene diisocyanate is added, insulated and stirred reaction 2-3h after being cooled to 45-50 DEG C, adds the chlorine of half amount Fossil waxes, insulated and stirred 20-30min, is cooled to after room temperature under -0.08 to -0.09MPa vacuum, discharging, produces component A;
(2)Raw material is equipped with by above-mentioned percentage by weight, the chlorinated paraffin of plasticizer, dispersant, wetting agent and surplus is added anti- Device is answered, is uniformly mixed and heats, treats that temperature rises to 70-80 DEG C, filler, calcium hydroxide and water is added, high-speed stirred makes It is uniformly dispersed, and is then dehydrated 1-2h under conditions of 110-120 DEG C of temperature, vacuum -0.08 to -0.09MPa, finally cools Catalyst is added after to 30-45 DEG C, 30-40min is stirred, is cooled to after room temperature, discharges, produces B component;
(3)After gained component A and B component are sufficiently mixed, that is, obtain the water-repellent paint for road, bridge.
The present invention has following positive beneficial technique effect:
Preparation method technological process of the present invention is simple, and prepared water-repellent paint good leveling property, product appearance is smooth, glossy, Without pitch point, easy construction is pollution-free, and not only cost is low, and excellent combination property(As tensile strength is big, elongation percentage is high, anti- Water is functional).
Embodiment
Technical scheme is clearly and completely described below in conjunction with embodiment, it is clear that described reality It is only a part of embodiment of the invention to apply example, rather than whole embodiments.Based on the embodiment in the present invention, this area is general The every other embodiment that logical technical staff is obtained under the premise of creative work is not made, belongs to what the present invention was protected Scope.
Embodiment 1
A kind of to be used for road, the water-repellent paint of bridge, by weight percentage, its component proportion is:PPG 30%, hexichol Dicyclohexylmethane diisocyanate(MDI)7.5%th, pitch 20%, filler 12%, plasticizer 2%, chlorinated paraffin 12%, calcium hydroxide 4%, point Powder 2%, wetting agent 2%, catalyst 0.5%, water 8%, in embodiments of the present invention, filler be talcum powder and precipitated calcium carbonate according to Mass ratio 1:1 mixture, the fineness of filler is more than 300 mesh, and dispersant is polyethylene glycol 400, and wetting agent is Morwet EF, plasticizer uses phthalic acid, and plasticizer can also be replaced with dibutyl phthalate, dioctyl phthalate Generation, used catalyst is stannous octoate.
The present embodiment is used for road, the preparation method of the water-repellent paint of bridge, is carried out according to following processing step:
(1)Raw material is weighed according to above component proportion;PPG, pitch are added in reactor, are stirred and heated to 110 DEG C, 2h then is dehydrated under -0.08 to -0.09MPa vacuum condition, vacuum is then removed, be cooled to 70 DEG C, then add Enter methyl diphenylene diisocyanate, insulated and stirred reaction 3h after being cooled to 50 DEG C, adds the chlorinated paraffin of half amount ,- Insulated and stirred 20min, is cooled to after room temperature under 0.08 to -0.09MPa vacuum condition, discharging, produces component A;
(2)Raw material is weighed according to above component proportion;By the chlorination stone of plasticizer, dispersant, wetting agent and second half remaining amount Wax adds reactor, is uniformly mixed and heats, treats that temperature rises to 80 DEG C, add filler, calcium hydroxide and water, high-speed stirring Mixing makes it be uniformly dispersed, and is then dehydrated 2h under 110 DEG C, -0.08 to -0.09MPa vacuum condition, is finally cooled to after 45 DEG C and adds Enter catalyst, stir 40min, be cooled to after room temperature, discharge, produce B component;
(3)After gained component A and B component are sufficiently mixed, produce described for road, the water-repellent paint of bridge.
Embodiment 2
A kind of to be used for road, the water-repellent paint of bridge, by weight percentage, its component proportion is:PPG 30%, hexichol Dicyclohexylmethane diisocyanate(MDI)7.5%th, pitch 20%, filler 12%, plasticizer 2%, chlorinated paraffin 12%, calcium hydroxide 4%, point Powder 2%, wetting agent 2%, catalyst 0.5%, water 8%, in embodiments of the present invention, filler be talcum powder and precipitated calcium carbonate according to Mass ratio 1:1 mixture, the fineness of filler is more than 300 mesh, and dispersant is polyethylene glycol 400, and wetting agent is Morwet EF, plasticizer uses phthalic acid, and plasticizer can also be replaced with dibutyl phthalate, dioctyl phthalate Generation, used catalyst is stannous octoate.
The present embodiment is used for road, the preparation method of the water-repellent paint of bridge, is carried out according to following processing step:
(1)Raw material is weighed according to above component proportion;PPG, pitch are added in reactor, are stirred and heated to 125 DEG C, 1h then is dehydrated under -0.08 to -0.09MPa vacuum condition, vacuum is then removed, be cooled to 60 DEG C, add Methyl diphenylene diisocyanate, insulated and stirred reaction 2h, after being cooled to 45 DEG C, adds the chlorinated paraffin of half amount ,- Insulated and stirred 30min, is cooled to after room temperature under 0.08 to -0.09MPa vacuum condition, discharging, produces component A;
(2)Raw material is weighed according to above component proportion;By the chlorination stone of plasticizer, dispersant, wetting agent and second half remaining amount Wax adds reactor, is uniformly mixed and heats, treats that temperature rises to 70 DEG C, add filler, calcium hydroxide and water, high-speed stirring Mixing makes it be uniformly dispersed, and is then dehydrated 1h under 120 DEG C, -0.08 to -0.09MPa vacuum condition, is finally cooled to after 30 DEG C and adds Enter catalyst, stir 30min, be cooled to after room temperature, discharge, produce B component;
(3)After gained component A and B component are sufficiently mixed, produce described for road, the water-repellent paint of bridge.
Embodiment 3
A kind of to be used for road, the water-repellent paint of bridge, by weight percentage, its component proportion is:PPG 30%, hexichol Dicyclohexylmethane diisocyanate(MDI)7.5%th, pitch 20%, filler 12%, plasticizer 2%, chlorinated paraffin 12%, calcium hydroxide 4%, point Powder 2%, wetting agent 2%, catalyst 0.5%, water 8%, in embodiments of the present invention, filler be talcum powder and precipitated calcium carbonate according to Mass ratio 1:1 mixture, the fineness of filler is more than 300 mesh, and dispersant is polyethylene glycol 400, and wetting agent is Morwet EF, plasticizer uses phthalic acid, and plasticizer can also be replaced with dibutyl phthalate, dioctyl phthalate Generation, used catalyst is stannous octoate.
The present embodiment is used for road, the preparation method of the water-repellent paint of bridge, is carried out according to following processing step:
(1)Raw material is weighed according to above component proportion;PPG, pitch are added in reactor, are stirred and heated to 120 DEG C, 1.5h then is dehydrated under -0.08 to -0.09MPa vacuum condition, vacuum is then removed, be cooled to 65 DEG C, then add Enter methyl diphenylene diisocyanate, insulated and stirred reaction 2.5h after being cooled to 45 DEG C, adds the chlorinated paraffin of half amount, Insulated and stirred 30min, is cooled to after room temperature under -0.08 to -0.09MPa vacuum condition, discharging, produces component A;
(2)Raw material is weighed according to above component proportion;By the chlorination stone of plasticizer, dispersant, wetting agent and second half remaining amount Wax adds reactor, is uniformly mixed and heats, treats that temperature rises to 80 DEG C, add filler, calcium hydroxide and water, high-speed stirring Mixing makes it be uniformly dispersed, and is then dehydrated 1.5h under 110 DEG C, -0.08 to -0.09MPa vacuum condition, is finally cooled to after 40 DEG C Catalyst is added, 30min is stirred, is cooled to after room temperature, discharges, produces B component;
(3)After gained component A and B component are sufficiently mixed, produce described for road, the water-repellent paint of bridge.
Water-repellent paint good leveling property prepared by 1-3 of the embodiment of the present invention, easy construction is pollution-free, and not only cost is low, and And excellent combination property.Wherein, B component is the curing component of water-repellent paint, without pitch in the curing component, but will drip Green grass or young crops is added in component A, and the product appearance as a result obtained is smooth, and glossy, no pitch point, levelability is also fine;The physical property of product Index fully meets the requirement of JC500-92 professional standards, compared with traditional handicraft, and the product prepared by the embodiment of the present invention is drawn Intensity is stretched up to 2.6MPa, elongation percentage is greatly improved up to 850%, meet to elongation percentage index in waterproof material High requirement.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies Within, then the present invention is also intended to comprising including these changes and modification.

Claims (7)

1. a kind of be used for road, the water-repellent paint of bridge, it is characterised in that by weight percentage, is made up of following raw material:Polyethers Polyalcohol 30-35%, methyl diphenylene diisocyanate 5-12%, pitch 20-25%, filler 12-18%, plasticizer 1.5-3%, chlorine Fossil waxes 12-20%, calcium hydroxide 3-8%, dispersant 2-4%, wetting agent 2-4%, catalyst 0.4-1%, surplus is water.
2. water-repellent paint according to claim 1, it is characterised in that be made up of following raw material:PPG 30%, two Methylenebis phenyl isocyanate 7.5%, pitch 20%, filler 12%, plasticizer 2%, chlorinated paraffin 12%, calcium hydroxide 4%, dispersant 2%th, wetting agent 2%, catalyst 0.5% and water 8%.
3. water-repellent paint according to claim 1 or 2, it is characterised in that:The filler is talcum powder and precipitated calcium carbonate At least one of, the mesh of the fineness of filler >=300.
4. water-repellent paint according to claim 1 or 2, it is characterised in that:The dispersant is polyethylene glycol 400, described Wetting agent is Morwet EF.
5. water-repellent paint according to claim 1 or 2, it is characterised in that:The plasticizer is phthalic acid, adjacent benzene two At least one of formic acid dibutyl ester and dioctyl phthalate.
6. water-repellent paint according to claim 1 or 2, it is characterised in that:The catalyst is stannous octoate, tin dilaurate At least one of dibutyl tin, triethylene diamine and triethylamine.
7. for road, the preparation method of the water-repellent paint of bridge, it is characterised in that comprise the following steps:
(1)Raw material is equipped with by the percentage by weight in claim 1 or 2, PPG, pitch are added in reactor, 110-125 DEG C is stirred and heated to, then 1-2h is dehydrated under -0.08 to -0.09MPa vacuum, vacuum is then removed, dropped Temperature adds methyl diphenylene diisocyanate, insulated and stirred reacts 2-3h, after being cooled to 45-50 DEG C to 60-70 DEG C, plus Enter the chlorinated paraffin of half amount, insulated and stirred 20-30min, is cooled to after room temperature under -0.08 to -0.09MPa vacuum, goes out Material, produces component A;
(2)Raw material is equipped with by the percentage by weight in claim 1 or 2, by the chlorine of plasticizer, dispersant, wetting agent and surplus Fossil waxes add reactor, be uniformly mixed and heat, treat that temperature rises to 70-80 DEG C, add filler, calcium hydroxide and Water, high-speed stirred makes it be uniformly dispersed, and is then dehydrated under conditions of 110-120 DEG C of temperature, vacuum -0.08 to -0.09MPa 1-2h, is finally cooled to after 30-45 DEG C and adds catalyst, stirs 30-40min, is cooled to after room temperature, discharges, produces B component;
(3)After gained component A and B component are sufficiently mixed, that is, obtain the water-repellent paint for road, bridge.
CN201710294107.5A 2017-04-28 2017-04-28 For road, the water-repellent paint of bridge and preparation method thereof Pending CN107227108A (en)

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108342939A (en) * 2018-01-08 2018-07-31 深圳市东进技术服务有限公司 A kind of anti-ponding type asphalt pavement construction method
CN108822716A (en) * 2018-06-28 2018-11-16 上海应用技术大学 A kind of microwave ice removing pavement material and preparation method thereof
CN116554776A (en) * 2023-03-13 2023-08-08 安徽中益新材料科技股份有限公司 Waterproof coating paint and preparation method thereof

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CN103740259A (en) * 2014-01-15 2014-04-23 许建琴 Polyurethane waterproof paint and preparation method thereof
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108342939A (en) * 2018-01-08 2018-07-31 深圳市东进技术服务有限公司 A kind of anti-ponding type asphalt pavement construction method
CN108822716A (en) * 2018-06-28 2018-11-16 上海应用技术大学 A kind of microwave ice removing pavement material and preparation method thereof
CN116554776A (en) * 2023-03-13 2023-08-08 安徽中益新材料科技股份有限公司 Waterproof coating paint and preparation method thereof

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