CN106398536A - Anionic water-based non-curing rubber asphalt waterproof coating and preparation method thereof - Google Patents
Anionic water-based non-curing rubber asphalt waterproof coating and preparation method thereof Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING 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
- C09D195/00—Coating compositions based on bituminous materials, e.g. asphalt, tar, pitch
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
The invention discloses an anionic water-based non-curing rubber asphalt waterproof coating and a preparation method thereof. The preparation method comprises the steps that 85-95 parts by mass of anionic rubber modified asphalt emulsion, 2-5 parts by mass of anionic SBR latex, 4-7 parts by mass of anionic neoprene latex, 0.1-1 part by mass of hydrophobing agent and 0.5-2.5 parts by mass of permeability-reducing agent are stirred and mixed to be uniform to obtain a component A; inorganic salt is dissolved in water, an inorganic salt solution with the concentration being 10% to 30% is prepared, and a component B is obtained; the component A and the component B are sprayed and mixed through a spraying gun according to the mass ratio being (5-15):1, and the anionic water-based non-curing rubber asphalt waterproof coating is obtained, wherein the anionic rubber modified asphalt emulsion is prepared by emulsifying matrix asphalt, a tackifier, rubber elastomers, an anionic emulsifier, a stabilizer, a PH modifier and water through a colloid mill. The product is stable in storage, environmentally friendly, free of pollution, good in non-curing effect, high in waterproof performance and simple in process.
Description
Technical field
The present invention relates to a kind of anion-type water-thinned uncured rubber asphalt waterproof coating technical field.
Background technology
Uncured rubber asphalt waterproof coating is with rubber, pitch as Main Components, and what addition auxiliary agent was mixed makes
Water-repellent paint with holding viscosity body of paste in the time limit.Because it has good caking property, extensibility, low temperature flexibility and creep
The advantages of self-healing property, be a kind of waterproof material that have developed rapidly the nearly more than ten years.Uncured rubber asphalt waterproof coating is with height
Solid content is famous, and coating has environmental-protecting performance in itself, but its work progress needs to be heated to 180 DEG C about to trickling shape, can
Sprayed or brushed, so resulted in certain construction inconvenience and flue gas environmental pollution, healthy to workmen
Also produce harm.Obtained by the way of adding solvent naphtha in prior art and can the uncured rubber-asphalt waterproof of normal temperature construction apply
Material, it is to avoid heating, but the method can only use knife-coat application, and heat-resisting quantity can be led to not good using solvent naphtha in a large number.
Therefore, the uncured rubber asphalt waterproof coating of development aqueous, environmental protective just has great importance.Comparatively speaking, water
Property uncured rubber asphalt waterproof coating (hereinafter referred to as aqueous uncured) can room temperature construction, not discharge of noxious gases, to environment
Impact less, does not endanger the healthy of workman yet, thus save resources, energy saving, environmental protection.Come from microstructure
Say, aqueous uncured active ingredient is swelling in pitch, whole system is homogeneous system.And there is no uncured characteristic
Ordinary rubber modified emulsifying asphalt product, be that emulsified asphalt is added directly into using rubber latex mostly, and addition is larger, micro-
Seeing in structure is phase-separated state, mainly assumes more rubber property, such as Chinese patent CN201310416370,
Product disclosed in CN201410203081 is all modified to emulsified asphalt using rubber latex, and the modified rubber adding
Total amount is typically larger than 20%, is in solidification membrane stage after construction molding, and surface does not have viscosity, is similar to rubber.At present with regard to aqueous
Uncured research is few, in aqueous uncured rubber-asphalt coating wherein disclosed in CN105038593A and preparation method thereof,
Employ cation modified rubber emulsified asphalt to form with other additive compounds such as tackifier resin emulsions, but cation modified rubber
Emulsified asphalt preparation needs deionized water, and storage performance is poor, and needs to use in the preparation process of tackifier resin emulsion
Solvent ethyl acetate, needs after making to remove, flow process is complicated, and is unfavorable for environmental requirement.
Content of the invention
It is an object of the invention to provide a kind of stable storing, environment friendly and pollution-free, adhesion property and cohesive force are strong and can be fast
The anion-type water-thinned uncured rubber asphalt waterproof coating of fast spraying application.
It is a further object of the present invention to provide the construction of a kind of process is simple, environment friendly and pollution-free and normal temperature, can fast emulsion breaking shape
Become the preparation method of the anion-type water-thinned uncured rubber asphalt waterproof coating of uncured state product.
The technical solution of the present invention is：A kind of anion-type water-thinned uncured rubber asphalt waterproof coating, by component A
With component B composition, wherein the anion rubber modified pitch emulsion by 85-95 mass parts for component A, the anion of 2-5 mass parts
SBR latex, the anion polychloroprene latex of 4-7 mass parts, the water-repelling agent of 0.1-1 mass parts, 0.5-2.5 mass parts permeability-reducing admixture group
Become, component B is the inorganic salt solution of 10-30% for mass fraction, component A is 5-15 with the mass ratio of component B：1；Anion
Rubber modified pitch emulsion is 25-35 by mass ratio：15-25：3-6：5-8：0.1-0.3：0.2-0.4：The matrix drip of 35-50
Green grass or young crops, tackifier, rubber elastomer, anion emulsifier, stabilizer, PH conditioning agent and water are formed by colloid mill emulsification.
Using anion rubber asphalt modified emulsion, anion SBR latex (styrene-butadiene latex), anion polychloroprene latex and dredge
Aqua, permeability-reducing admixture mixing, without organic solvent, store more stable, wherein using tackifier in matrix pitch, make rubber bullet
Emulsified again after gonosome is fully swelling in matrix pitch, Tackified emulsion need not be added again and can realize uncured effect,
The polychloroprene latex adding can strengthen adhesion property and cohesive force, due to there is chlorine atom, can possess good resistance to combustion, resistance to smelly
Oxygen and ageing-resistant performance；Water-repelling agent and the interpolation of permeability-reducing admixture, can form fine and close isolation layer in the coating, hinder moisture to coating
Infiltration and infiltration, reduce water absorption rate, improve waterproof action, fast and easy spraying application.
Described water-repelling agent is wax emulsion, and described permeability-reducing admixture is watersoluble plumbago alkene slurry.Graphene has being total to of lamella
Yoke structure, being conducive to being layering in the coating forms fine and close isolation layer, thus fully intercepting the infiltration of moisture, wax emulsion can
To migrate after breakdown of emulsion to coating surface, play the effect of surface hydrophobicity, improve the water proofing property of coating further.
Described inorganic salts are at least one in inorganic calcium salt, inorganic magnesium salt and inorganic iron aluminium salt.Cheap and easily-available, conveniently make
With.
Described matrix pitch is No. 70, No. 90 or No. 110 asphalt；Described rubber elastomer is styrene-fourth two
In alkene-polystyrene ternary segmented copolymer SBS and its derivative Hydrogenated SBS (SEBS), styrene-isoprene-phenylethene SIS
One or more；Described tackifier are rubber aromatic oil；Described anion emulsifier be carboxylic acid type, sulfonate type,
One or more of phosphate type and sulfuric acid ester type anion emulsifier；Described stabilizer is inorganic thickening agent class, fiber
One or more of plain class, polyacrylate and association type polyurethanes mixture；Described PH conditioning agent is for NaOH.
These components can significantly improve resistant of high or low temperature and the creep properties of pitch, improves the compatibility of modifying agent and matrix pitch, from
And obtain the homogeneous modified pitch emulsion of high modifier content.
Another technical solution of the present invention is：A kind of system of anion-type water-thinned uncured rubber asphalt waterproof coating
Preparation Method, comprises the following steps：1., by the anion rubber modified pitch emulsion of 85-95 mass parts, 2-5 mass parts the moon from
Sub- SBR latex, the anion polychloroprene latex of 4-7 mass parts, the water-repelling agent of 0.1-1 mass parts, 0.5-2.5 mass parts permeability-reducing admixture are equal
Even stirring is mixed to get component A；2., inorganic salts are dissolved in water the inorganic salt solution that compound concentration is 10-30%, obtain group
Divide B；3., by component A and component B according to mass ratio 5-15：1 is mixed by spray gun spraying, obtains anion-type water-thinned uncured
Rubber Modified Asphalt Waterproof Coating；Wherein step 1. in, the preparation method of anion rubber modified pitch emulsion is：By quality
Than for 25-35：15-25：3-6：5-8：0.1-0.3：0.2-0.4：The matrix pitch of 35-50, tackifier, rubber elastomer, the moon
Ionic emulsifying agent, stabilizer, PH conditioning agent and water are formed by colloid mill emulsification.
Wherein anion rubber modified pitch emulsion, using the method for first modified emulsification, first makes rubber bullet with tackifier
Gonosome is swelling and form rubber continuous phase in matrix pitch, after carry out emulsifying and obtain evenly stable emulsion.Add chlorine again
Fourth latex and SBR latex, form discontinuous phase with matrix pitch, improve high and low temperature resistance and adhesive property.Whole system exists
Form trickle network structure after applying formable layer, there is sticky creep, the characteristic not solidified for a long time, and all using anion in system
Emulsion and aqueous promoter, preparation is simple, and stable storing is it is easy to producing and constructing.
The preparation method of described anion rubber modified pitch emulsion is：Preparation mass ratio is 25-35：15-25：3-6：5-
8：0.1-0.3：0.2-0.4：The matrix pitch of 35-50, tackifier, rubber elastomer, anion emulsifier, stabilizer, PH adjust
Section agent and water, wherein will be little in 160-180 DEG C of mixing shearing 3 to matrix pitch, tackifier, rubber elastomer, anion emulsifier
When obtain pitch mixed liquor；By soluble in water to stabilizer, PH conditioning agent and be heated to 60-70 DEG C the aqueous solution；Simultaneously by pitch
Mixed liquor and the aqueous solution are emulsified through colloid mill, and cooling discharging obtains final product anion rubber modified pitch emulsion.
It is an advantage of the invention that：Stable storing, without organic solvent, environment friendly and pollution-free, with air contact after the completion of construction
Do not solidify for a long time afterwards, remain sticky nature, self-healing ability is strong.It can solve to make because base course crack stress passes to waterproof layer
The problems such as waterproof fault rupture, flex fatigue or premature aging under being in high-stress state of becoming；Meanwhile, creep properties and viscosity
Pore and the crack of basic unit can be closed well, solve a channeling water difficult problem for waterproof layer, so that waterproof reliability is obtained
Increase substantially；And prepare convenient, process is simple.
Specific embodiment
Embodiment 1：
A kind of anion aqueous uncured rubber asphalt waterproof coating, is made up of component A and the mixing of component B, wherein component A
By the anion modified rubber emulsified asphalt of 88 mass parts, the SBR latex of 3 mass parts, the polychloroprene latex of 7 mass parts, 0.5 mass
The wax emulsion of part, the Graphene water paste composition of 1.5 mass parts；The calcium chloride by 10 mass parts for component B, the water of 90 mass parts
Composition；Component A is 6 with the mass ratio of component B:1.
Anion modified rubber emulsified asphalt in component A is 30 by mass ratio:15:4:5:0.1:0.3:45.6 matrix
Pitch, tackifier, rubber elastomer, anion emulsifier, stabilizer, PH conditioning agent and water are formed by colloid mill emulsification.Its
Mesostroma pitch is No. 70 asphalt, and tackifier are aromatic naphtha, and rubber elastomer is SBS, and stabilizer is polyacrylate,
Anion emulsifier is sulfuric acid ester anion emulsifier, and PH conditioning agent is NaOH.
A kind of preparation method of anion aqueous uncured rubber-asphalt coating, comprises the following steps：
1., by the anion rubber modified pitch emulsion of 88 mass parts, the anion SBR latex of 3 mass parts, 7 mass parts
The Graphene water paste mixing and stirring of anion polychloroprene latex, the wax emulsion of 0.5 mass parts and 1.5 mass parts obtain group
Divide A；
The preparation method of wherein anion modified rubber emulsified asphalt is as follows：
Choosing mass ratio first is 30:15:4:5:0.1:0.3:45.6 matrix pitch, tackifier, rubber elastomer, the moon
Ionic emulsifying agent, stabilizer, PH conditioning agent and water, matrix pitch, tackifier, rubber elastomer, anion emulsifier are existed
160-180 DEG C mixing shearing 3 hours pitch mixed liquor, then by stabilizer, PH conditioning agent is soluble in water and is heated to 60-70 DEG C
Then pitch mixed liquor and the aqueous solution are emulsified through colloid mill, cooling discharging obtains final product anion by the prepared aqueous solution simultaneously
Rubber modified pitch emulsion；
2., 10 mass parts calcium chloride are dissolved in water and are made into the aqueous solution of 10% mass concentration and obtain B component；
3., by component A and component B according to mass ratio 6:1, application site is sprayed to by spray gun mixing and obtains final product this anion
The aqueous uncured rubber asphalt waterproof coating of type.
Embodiment 2
A kind of anion aqueous uncured rubber asphalt waterproof coating, is made up of component A and component B.Component A is by 90 mass
The anion modified rubber emulsified asphalt of part, the SBR latex of 4 mass parts, the polychloroprene latex of 5 mass parts, the wax breast of 0.5 mass parts
Liquid, the Graphene water paste composition of 0.5 mass parts；Component B is made up of the calcium chloride of 20 mass parts, the water of 80 mass parts；Group
A is divided to be 8 with the mass ratio of component B:1.
Anion modified rubber emulsified asphalt in component A is 30 by mass ratio：20：5：6：0.2：0.35：38.45 base
Matter pitch, tackifier, rubber elastomer, anion emulsifier, stabilizer, NaO H and water composition, wherein matrix pitch is No. 90
Asphalt, tackifier are aromatic naphtha, and rubber elastomer is SEBS, and stabilizer is polyacrylate, and anion emulsifier is
Sulfuric acid ester anion emulsifier, PH conditioning agent is NaOH.
A kind of preparation method of anion aqueous uncured rubber-asphalt coating, comprises the following steps：
1., by 90 mass parts anion rubber modified pitch emulsions, the anion SBR latex of 4 mass parts, 5 mass parts
The Graphene water paste mixing and stirring of anion polychloroprene latex, the wax emulsion of 0.5 mass parts and 0.5 mass parts obtains component
A；
The preparation method of wherein anion modified rubber emulsified asphalt is as follows：
Choosing mass ratio first is 30:20:5:6:0.2:0.35:38.45 matrix pitch, tackifier, rubber elastomer,
Anion emulsifier, stabilizer, PH conditioning agent and water, matrix pitch, tackifier, rubber elastomer, anion emulsifier are existed
160-180 DEG C mixing shearing 3 hours pitch mixed liquor, then by stabilizer, PH conditioning agent is soluble in water and is heated to 60-70 DEG C
Obtain the aqueous solution, then pitch mixed liquor and the aqueous solution are emulsified through colloid mill, cooling discharging obtains final product anion rubber simultaneously
Glue modified pitch emulsion；
2., the calcium chloride of 20 mass parts is dissolved in the aqueous solution being made into 20% concentration in the water of 80 mass parts, obtains B group
Point；
3., by component A and component B according to mass ratio 8:1, application site is sprayed to by spray gun mixing and obtains final product this anion
The aqueous uncured rubber asphalt waterproof coating of type.
Embodiment 3
A kind of anion aqueous uncured rubber asphalt waterproof coating, is made up of component A and component B；
Component A is by the anion modified rubber emulsified asphalt of 92 mass parts, the SBR latex of 2.5 mass parts, 4 mass parts
Polychloroprene latex, the wax emulsion of 0.5 mass parts, the Graphene water paste composition of 1 mass parts；Component B is by the chlorination of 30 mass parts
Calcium, the water composition of 70 mass parts；Component A is 12 with the mass ratio of component B:1；
Anion modified rubber emulsified asphalt in component A is 25 by mass ratio：25：6.5：7.5：0.3：0.4：35.3
Matrix pitch, tackifier, rubber elastomer, anion emulsifier, stabilizer, NaOH and water composition.Wherein matrix pitch is 90
Number asphalt, tackifier are aromatic naphtha, and rubber elastomer is S IS, and stabilizer is polyacrylate, anion emulsifier
For sulfuric acid ester anion emulsifier, PH conditioning agent is NaOH.
A kind of preparation method of anion aqueous uncured rubber-asphalt coating, comprises the following steps：
1., by the anion rubber modified pitch emulsion of 92 mass parts, the anion SBR latex of 2.5 mass parts, 4 mass
The Graphene water paste mixing and stirring of the anion polychloroprene latex, the wax emulsion of 0.5 mass parts and 1 mass parts of part obtains group
Divide A；
The preparation method of wherein anion modified rubber emulsified asphalt is as follows：
Choosing mass ratio first is 25：25：6.5：7.5：0.3：0.4：35.3 matrix pitch, tackifier, caoutchouc elasticity
Body, anion emulsifier, stabilizer, NaOH and water, matrix pitch, tackifier, rubber elastomer, anion emulsifier are existed
160-180 DEG C mixing shearing 3 hours pitch mixed liquor, then by stabilizer, PH conditioning agent is soluble in water and is heated to 60-70 DEG C
Obtain the aqueous solution, then pitch mixed liquor and the aqueous solution are emulsified through colloid mill, cooling discharging obtains final product anion rubber simultaneously
Glue modified pitch emulsion；
2., calcium chloride is dissolved in water and is made into the aqueous solution of 30% concentration and obtains B component；
3., by component A and component B according to mass ratio 12:1, by spray gun mixing spray to application site obtain final product this moon from
The aqueous uncured rubber asphalt waterproof coating of subtype.
The coating sample of preparation in embodiment 1-3 is tested with reference to uncured rubber asphalt waterproof coating standard, inspection
Survey result such as table 1：
Change to performance impact for more clearly expressing component A ratio, be provided with three below comparative example：
Comparative example 1：A kind of anion aqueous uncured rubber asphalt waterproof coating, is made up of component A and component B；Component A
By the anion modified rubber emulsified asphalt (preparing by embodiment 1) of 90 mass parts, the SBR latex of 4 mass parts, 5 mass parts
Polychloroprene latex forms；Component B is same as Example 1.
Comparative example 2：A kind of anion aqueous uncured rubber asphalt waterproof coating, is made up of component A and component B；Component A
By the anion modified rubber emulsified asphalt (preparing by embodiment 2) of 90 mass parts, the SBR latex of 4 mass parts, 1 mass parts stone
Black alkene water paste composition；Component B is same as Example 2；
Comparative example 3：A kind of anion aqueous uncured rubber asphalt waterproof coating, is made up of component A and component B；Component A
By the anion modified rubber emulsified asphalt (preparing by embodiment 3) of 90 mass parts, the SBR latex of 4 mass parts, 0.5 mass parts
Wax emulsion composition；Component B is same as Example 3.
Respectively to embodiment 1-3, the heat resistance of comparative example 1-3, acid treatment mass loss, alkali process mass loss, Yan Chu
Reason mass loss carry out contrast experiment, experimental technique referring to《Uncured rubber asphalt waterproof coating》Draft standard for approval, experiment knot
Fruit is shown in Table 2：
From contrast experiment as can be seen that can effectively reduce acid, alkali, Yan Chu after adding wax emulsion and Graphene water paste
Mass loss after reason.
In comparative example 1-3, each change of component of anion modified rubber emulsified asphalt, to overall performance impact, is shown in Table 3：
It can be seen that rubber elastomer consumption increase can improve lower temperature resistance and the extension of product from the correction data of table 3
Property.
In order to more clearly describe, meaning is selected to the parameter preparing caoutchouc elasticity modified asphalt, special row following table is to show
Bright：
Above-listed detailed description is illustrating for possible embodiments of the present invention, and this embodiment simultaneously is not used to limit this
Bright the scope of the claims, all equivalence enforcements done without departing from the present invention or change, are intended to be limited solely by the scope of the claims of this case.
Claims (6)
1. a kind of anion-type water-thinned uncured rubber asphalt waterproof coating it is characterised in that：It is made up of component A and component B, its
Middle component A is by the anion rubber modified pitch emulsion of 85-95 mass parts, the anion SBR latex of 2-5 mass parts, 4-7 mass
The anion polychloroprene latex of part, the water-repelling agent of 0.1-1 mass parts, 0.5-2.5 mass parts permeability-reducing admixture composition, component B is divided for quality
Number for 10-30% inorganic salt solution, the mass ratio of component A and component B is 5-15：1；Anion rubber modified asphalt breast
Liquid is 25-35 by mass ratio：15-25：3-6：5-8：0.1-0.3：0.2-0.4：The matrix pitch of 35-50, tackifier, rubber bullet
Gonosome, anion emulsifier, stabilizer, PH conditioning agent and water are formed by colloid mill emulsification.
2. the anion-type water-thinned uncured rubber asphalt waterproof coating of one kind according to claim 1 it is characterised in that：Institute
The water-repelling agent stated is wax emulsion, and described permeability-reducing admixture is watersoluble plumbago alkene slurry.
3. the anion-type water-thinned uncured rubber asphalt waterproof coating of one kind according to claim 1 and 2, its feature exists
In：Described inorganic salts are at least one in inorganic calcium salt, inorganic magnesium salt and inorganic iron aluminium salt.
4. the anion-type water-thinned uncured rubber asphalt waterproof coating of one kind according to claim 3 it is characterised in that：Institute
Stating matrix pitch is No. 70, No. 90 or No. 110 asphalt, and described rubber elastomer is s-B-S three
One of first block copolymer SBS and its derivative Hydrogenated SBS (SEBS), styrene-isoprene-phenylethene SIS or many
Kind；Described tackifier are rubber aromatic oil；Described anion emulsifier be carboxylic acid type, sulfonate type, phosphate type and
One or more of sulfuric acid ester type anion emulsifier；Described stabilizer is inorganic thickening agent class, cellulose family, polypropylene
One or more of esters of gallic acid and association type polyurethanes mixture；Described PH conditioning agent is for NaOH.
5. a kind of preparation method of anion-type water-thinned uncured rubber asphalt waterproof coating it is characterised in that：Walk including following
Suddenly：
1., by the anion rubber modified pitch emulsion of 85-95 mass parts, the anion SBR latex of 2-5 mass parts, 4-7 mass
The anion polychloroprene latex of part, the water-repelling agent of 0.1-1 mass parts, 0.5-2.5 mass parts permeability-reducing admixture uniform stirring are mixed to get group
Divide A；
2., inorganic salts are dissolved in water the inorganic salt solution that compound concentration is 10-30%, obtain component B；
3., by component A and component B according to mass ratio 5-15：1 is mixed by spray gun spraying, obtains anion-type water-thinned uncured
Rubber Modified Asphalt Waterproof Coating；
Wherein step 1. in, the preparation method of anion rubber modified pitch emulsion is：Mass ratio is 25-35：15-25：
3-6：5-8：0.1-0.3：0.2-0.4：The matrix pitch of 35-50, tackifier, rubber elastomer, anion emulsifier, stable
Agent, PH conditioning agent and water are formed by colloid mill emulsification.
6. the preparation method of a kind of anion-type water-thinned uncured rubber asphalt waterproof coating according to claim 5, its
It is characterised by：The preparation method of described anion rubber modified pitch emulsion is：Preparation mass ratio is 25-35：15-25：3-6：
5-8：0.1-0.3：0.2-0.4：The matrix pitch of 35-50, tackifier, rubber elastomer, anion emulsifier, stabilizer, PH
Matrix pitch, tackifier, rubber elastomer, anion emulsifier are wherein mixed shearing 3 at 160-180 DEG C by conditioning agent and water
Hour obtain pitch mixed liquor, by soluble in water to stabilizer, PH conditioning agent and be heated to 60-70 DEG C the aqueous solution, will drip simultaneously
Blue or green mixed liquor and the aqueous solution are emulsified through colloid mill, and cooling discharging obtains final product anion rubber modified pitch emulsion.
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| CN107118695A (en) * | 2017-04-10 | 2017-09-01 | 中国铁道科学研究院金属及化学研究所 | A kind of Rubber Modified Asphalt Waterproof Coating and preparation method thereof and application method |
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