CN106398536B - Anion-type water-thinned uncured rubber asphalt waterproof coating of one kind and preparation method thereof - Google Patents
Anion-type water-thinned uncured rubber asphalt waterproof coating of one kind 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 a kind of anion-type water-thinned uncured rubber asphalt waterproof coatings and preparation method thereof, and the anion rubber modified pitch emulsion of 85-95 mass parts, the anion SBR latex of 2-5 mass parts, the anion polychloroprene latex of 4-7 mass parts, the wax emulsion of 0.1-1 mass parts, 0.5-2.5 mass parts watersoluble plumbago alkene slurry uniform stirring are 1. mixed to get component A；Inorganic salts are dissolved in water the inorganic salt solution that compound concentration is 10-30%, obtain component B；Component A and component B is mixed according to mass ratio 5-15:1 by spray gun spraying, anion-type water-thinned uncured Rubber Modified Asphalt Waterproof Coating is obtained；Wherein anion rubber modified pitch emulsion is emulsified by matrix pitch, tackifier, rubber elastomer, anion emulsifier, stabilizer, PH regulator and the water that mass ratio is 25-35:15-25:3-6:5-8:0.1-0.3:0.2-0.4:35-50 by colloid mill.Product of the present invention stable storing is free of organic solvent, and environment friendly and pollution-free, uncured effect is good, and waterproof performance is strong, and preparation is convenient, simple process.
Description
Technical field
The present invention relates to a kind of anion-type water-thinned uncured rubber asphalt waterproof coating technical fields.
Background technique
Uncured rubber asphalt waterproof coating is using rubber, pitch as Main Components, and what addition auxiliary agent was mixed makes
With the water-repellent paint for keeping sticky body of paste in the time limit.Since it is with good caking property, extensibility, low temperature flexibility and creep
The advantages that self-healing property is 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 itself has environmental-protecting performance, but its work progress needs to be heated to 180 DEG C or so extremely trickling shapes, can
It is sprayed or is brushed, certain construction inconvenience and flue gas environmental pollution are resulted in this way, to the health of construction personnel
Also harm is generated.Obtained by the way of adding solvent naphtha in the prior art can room temperature construction uncured rubber-asphalt waterproof apply
Material avoids heating, but the method can only use knife-coat application, and it is bad largely to use solvent naphtha to will lead to heat-resisting quantity.
Therefore, the uncured rubber asphalt waterproof coating for developing aqueous, environmental protective just has great importance.In comparison, water
Property uncured rubber asphalt waterproof coating it is (hereinafter referred to as aqueous uncured) can room temperature construction, not discharge of noxious gases, to environment
It influences less, also not endangering the health of worker, so that resource is saved, it is energy saving, protect environment.Come from microstructure
It says, aqueous uncured effective component is swollen in pitch, and whole system is uniform system.Without uncured characteristic
Ordinary rubber modified emulsifying asphalt product, be mostly emulsified asphalt to be added directly into using rubber latex, and additive amount is larger, it is micro-
See structure on be phase-separated state, more rubber property is mainly presented, as Chinese patent CN201310416370,
Product disclosed in CN201410203081 is all made of rubber latex and is modified to emulsified asphalt, and the modified rubber added
Total amount is typically larger than 20%, is in solidification membrane stage after construction molding, and surface is similar with rubber without viscosity.At present about aqueous
Uncured research is few, wherein in aqueous uncured rubber-asphalt coating and preparation method thereof disclosed in CN105038593A,
Using cationic modified rubber emulsified asphalt and tackifier resin emulsion etc., other additive compounds are formed, but cationic 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 to remove after being made, and process is complicated, and is unfavorable for environmental requirement.
Summary of the invention
The object of the present invention is to provide a kind of stable storing, environment friendly and pollution-free, adhesion property and cohesive force it is 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 a kind of simple process, environment friendly and pollution-free and room temperature to construct, can fast emulsion breaking shape
At the preparation method of the anion-type water-thinned uncured rubber asphalt waterproof coating of uncured state product.
The technical solution of the invention is as follows: a kind of anion-type water-thinned uncured rubber asphalt waterproof coating, by component A
It is formed with component B, wherein component A is by the anion rubber modified pitch emulsion of 85-95 mass parts, the anion of 2-5 mass parts
SBR latex, the anion polychloroprene latex of 4-7 mass parts, the hydrophobing agent of 0.1-1 mass parts, 0.5-2.5 mass parts permeability-reducing admixture group
At component B is the inorganic salt solution that mass fraction is 10-30%, and the mass ratio of component A and component B is 5-15:1；Anion
Rubber modified pitch emulsion is dripped by the matrix that mass ratio is 25-35:15-25:3-6:5-8:0.1-0.3:0.2-0.4:35-50
Blueness, tackifier, rubber elastomer, anion emulsifier, stabilizer, PH regulator and water are emulsified by colloid mill, described
Hydrophobing agent be wax emulsion, the permeability-reducing admixture be watersoluble plumbago alkene slurry.
Using anion rubber asphalt modified emulsion, anion SBR latex (styrene-butadiene latex), anion polychloroprene latex and dredge
Aqua, permeability-reducing admixture mixing, are free of organic solvent, and storage is more stable, wherein using tackifier in matrix pitch, makes rubber bullet
Property body in matrix pitch sufficiently be swollen after emulsified again, no longer need to addition Tackified emulsion uncured effect can be thus achieved,
Adhesion property and cohesive force can be enhanced in the polychloroprene latex of addition, due to that there are chlorine atom, can have good resistance to combustion, resistance to smelly
Oxygen and ageing-resistant performance；The addition of hydrophobing agent and 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.Graphene has the conjugation knot of lamella
Structure is conducive to be layering in the coating to form fine and close isolation layer, to sufficiently obstruct the infiltration of moisture, wax emulsion can be
It is migrated after demulsification to coating surface, plays the role of surface hydrophobicity, further increase the waterproofness of coating.
The inorganic salts are at least one of inorganic calcium salt, inorganic magnesium salt and inorganic iron aluminium salt.It is cheap and easily-available, conveniently make
With.
The matrix pitch is No. 70, No. 90 or No. 110 asphalt；The rubber elastomer is styrene-fourth two
In alkene-polystyrene ternary segmented copolymer SBS and its derivative Hydrogenated SBS (SEBS), styrene-isoprene-phenylethene SIS
It is one or more；The tackifier are rubber aromatic oil；The anion emulsifier be carboxylic acid type, sulfonate type,
One or more of phosphate type and sulfuric acid ester type anion emulsifier；The stabilizer is inorganic thickening agent class, fiber
One or more of plain class, polyacrylate and association type polyurethanes mixture；The PH regulator is for NaOH.
These components can significantly improve resistant of high or low temperature and the creep properties of pitch, improve the compatibility of modifying agent and matrix pitch, from
And obtain the uniform modified pitch emulsion of high modifier content.
Another technical solution of the invention is: a kind of system of anion-type water-thinned uncured rubber asphalt waterproof coating
Preparation Method, comprising the following steps: 1., by the anion rubber modified pitch emulsion of 85-95 mass parts, 2-5 mass parts yin from
Sub- SBR latex, the anion polychloroprene latex of 4-7 mass parts, the wax emulsion of 0.1-1 mass parts, 0.5-2.5 mass parts watersoluble plumbago
Alkene slurry uniform stirring is mixed to get component A；2., that inorganic salts are dissolved in water to the inorganic salts that compound concentration is 10-30% is molten
Liquid obtains component B；3., by component A and component B according to mass ratio 5-15:1 by spray gun spraying mix, obtain anionic water
The uncured Rubber Modified Asphalt Waterproof Coating of property；Wherein step 1. in, the preparation method of anion rubber modified pitch emulsion
It is: matrix pitch, tackifier, the rubber for being 25-35:15-25:3-6:5-8:0.1-0.3:0.2-0.4:35-50 by mass ratio
Elastomer, anion emulsifier, stabilizer, PH regulator and water are emulsified by colloid mill.
Wherein anion rubber modified pitch emulsion first makes rubber bullet using the method for first modified emulsification with tackifier
Property body is swollen in matrix pitch and is formed rubber continuous phase, after emulsified to obtain more evenly stable lotion.Chlorine is added again
Fourth latex and SBR latex form discontinuous phase with matrix pitch, improve high and low temperature resistance and adhesive property.Whole system exists
Subtle network structure is formed after applying formable layer, there is sticky creep, long-term not cured characteristic, and use anion in system
Lotion and aqueous promoter, preparation is simple, and stable storing is readily produced and constructs.
The anion rubber modified pitch emulsion the preparation method comprises the following steps: prepare mass ratio be 25-35:15-25:3-6:5-
8:0.1-0.3:0.2-0.4:35-50 matrix pitch, tackifier, rubber elastomer, anion emulsifier, stabilizer, PH tune
Agent and water are saved, wherein matrix pitch, tackifier, rubber elastomer, anion emulsifier is small in 160-180 DEG C of mixing shearing 3
When obtain pitch mixed liquor；By stabilizer, PH regulator it is soluble in water and be heated to 60-70 DEG C aqueous solution；Simultaneously by pitch
Mixed liquor and aqueous solution are emulsified by colloid mill, and cooling discharging is up to anion rubber modified pitch emulsion.
The invention has the advantages that stable storing, is free of organic solvent, and it is environment friendly and pollution-free, it is contacted after the completion of construction with air
Do not solidify for a long time afterwards, remains sticky nature, self-healing ability is strong.It, which can solve, makes because of base course crack stress transfer to waterproof layer
At waterproof fault rupture, flex fatigue or the problems such as premature aging under high-stress state；Meanwhile creep properties and viscosity
Pore and the crack that base can be closed well solve the channeling water problem of waterproof layer, obtain waterproof reliability
It increases substantially；And preparation is convenient, simple process.
Specific embodiment
Embodiment 1:
A kind of anion aqueous uncured rubber asphalt waterproof coating is made of, wherein component A component A and component B mixing
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 aqueous slurry of 1.5 mass parts form；Component B is by the calcium chloride of 10 mass parts, the water of 90 mass parts
Composition；The mass ratio of component A and component B is 6:1.
The matrix that anion modified rubber emulsified asphalt in component A is 30:15:4:5:0.1:0.3:45.6 by mass ratio
Pitch, tackifier, rubber elastomer, anion emulsifier, stabilizer, PH regulator and water are emulsified by colloid mill.Its
Mesostroma pitch is No. 70 asphalt, and tackifier are aromatic naphtha, and rubber elastomer SBS, stabilizer is polyacrylate,
Anion emulsifier is sulfuric acid ester anion emulsifier, and PH regulator is NaOH.
A kind of preparation method of anion aqueous uncured rubber-asphalt coating, comprising 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
Anion polychloroprene latex, the wax emulsion of 0.5 mass parts and the graphene aqueous slurry of 1.5 mass parts group is mixed evenly to obtain
Divide A；
Wherein anion modified rubber emulsified asphalt the preparation method is as follows:
Matrix pitch, tackifier, rubber elastomer, the yin that mass ratio is 30:15:4:5:0.1:0.3:45.6 are chosen first
Ionic emulsifying agent, stabilizer, PH regulator and water, matrix pitch, tackifier, rubber elastomer, anion emulsifier are existed
Pitch mixed liquor is sheared 3 hours to obtain in 160-180 DEG C of mixing, then by stabilizer, PH regulator is soluble in water and is heated to 60-70 DEG C
Aqueous solution is made, then simultaneously emulsifies pitch mixed liquor by colloid mill with aqueous solution, cooling discharging is up to anion
Rubber modified pitch emulsion；
2., 10 mass parts calcium chloride are dissolved in water 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 up to the anion by spray gun mixing
The aqueous uncured rubber asphalt waterproof coating of type.
Embodiment 2
A kind of anion aqueous uncured rubber asphalt waterproof coating, is made of component A and component B.Component A is by 90 mass
The anion modified rubber emulsified asphalt, the SBR latex of 4 mass parts, the polychloroprene latex of 5 mass parts, the wax of 0.5 mass parts of part are newborn
The graphene aqueous slurry composition of liquid, 0.5 mass parts；Component B is made of the calcium chloride of 20 mass parts, the water of 80 mass parts；Group
The mass ratio for dividing A and component B is 8:1.
The base that anion modified rubber emulsified asphalt in component A is 30:20:5:6:0.2:0.35:38.45 by mass ratio
Matter pitch, tackifier, rubber elastomer, anion emulsifier, stabilizer, NaOH and water composition, wherein matrix pitch is No. 90
Asphalt, tackifier are aromatic naphtha, and rubber elastomer SEBS, stabilizer is polyacrylate, and anion emulsifier is
Sulfuric acid ester anion emulsifier, PH regulator are NaOH.
A kind of preparation method of anion aqueous uncured rubber-asphalt coating, comprising the following steps:
1., by 90 mass parts anion rubber modified pitch emulsions, the anion SBR latex of 4 mass parts, 5 mass parts
Component is mixed evenly to obtain in the graphene aqueous slurry of anion polychloroprene latex, the wax emulsion of 0.5 mass parts and 0.5 mass parts
A；
Wherein anion modified rubber emulsified asphalt the preparation method is as follows:
Choose first mass ratio be the matrix pitch of 30:20:5:6:0.2:0.35:38.45, tackifier, rubber elastomer,
Anion emulsifier, stabilizer, PH regulator and water, matrix pitch, tackifier, rubber elastomer, anion emulsifier are existed
Pitch mixed liquor is sheared 3 hours to obtain in 160-180 DEG C of mixing, then by stabilizer, PH regulator is soluble in water and is heated to 60-70 DEG C
Aqueous solution is obtained, is then simultaneously emulsified pitch mixed liquor by colloid mill with aqueous solution, cooling discharging is up to anion rubber
Glue modified pitch emulsion；
2., the calcium chloride of 20 mass parts is dissolved in the aqueous solution that 20% concentration is made into the water of 80 mass parts, obtain B group
Point；
3., by component A and component B according to mass ratio 8:1, application site is sprayed to up to the anion by spray gun mixing
The aqueous uncured rubber asphalt waterproof coating of type.
Embodiment 3
A kind of anion aqueous uncured rubber asphalt waterproof coating, is made of component A and component B；
Component A is by the anion modified rubber emulsified asphalts of 92 mass parts, the SBR latex of 2.5 mass parts, 4 mass parts
The graphene aqueous slurry composition of polychloroprene latex, the wax emulsion of 0.5 mass parts, 1 mass parts；Component B by 30 mass parts chlorination
The water composition of calcium, 70 mass parts；The mass ratio of component A and component B is 12:1；
Anion modified rubber emulsified asphalt in component A is 25:25:6.5:7.5:0.3:0.4:35.3's by mass ratio
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 SIS, stabilizer is polyacrylate, and anion emulsifier is
Sulfuric acid ester anion emulsifier, PH regulator are NaOH.
A kind of preparation method of anion aqueous uncured rubber-asphalt coating, comprising 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
Group is mixed evenly to obtain in the anion polychloroprene latex, the wax emulsion of 0.5 mass parts and the graphene aqueous slurry of 1 mass parts of part
Divide A；
Wherein anion modified rubber emulsified asphalt the preparation method is as follows:
Matrix pitch, tackifier, the caoutchouc elasticity that mass ratio is 25:25:6.5:7.5:0.3:0.4:35.3 are chosen first
Body, anion emulsifier, stabilizer, NaOH and water exist matrix pitch, tackifier, rubber elastomer, anion emulsifier
Pitch mixed liquor is sheared 3 hours to obtain in 160-180 DEG C of mixing, then by stabilizer, PH regulator is soluble in water and is heated to 60-70 DEG C
Aqueous solution is obtained, is then simultaneously emulsified pitch mixed liquor by colloid mill with aqueous solution, cooling discharging is up to anion rubber
Glue modified pitch emulsion；
2., calcium chloride is dissolved in water 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 up to the yin from
The aqueous uncured rubber asphalt waterproof coating of subtype.
The coating sample prepared in embodiment 1-3 is tested referring to uncured rubber asphalt waterproof coating standard, is examined
Survey result such as table 1:
Performance is influenced more clearly to express the variation of component A ratio, is provided with following three comparative examples:
Comparative example 1: a kind of anion aqueous uncured rubber asphalt waterproof coating is made of component A and component B；Component A
By the anion modified rubber emulsified asphalt (being prepared by embodiment 1) of 90 mass parts, the SBR latex of 4 mass parts, 5 mass parts
Polychloroprene latex composition；Component B is same as Example 1.
Comparative example 2: a kind of anion aqueous uncured rubber asphalt waterproof coating is made of component A and component B；Component A
By the anion modified rubber emulsified asphalt (being prepared by embodiment 2) of 90 mass parts, the SBR latex of 4 mass parts, 1 mass parts stone
Black alkene aqueous slurry composition；Component B is same as Example 2；
Comparative example 3: a kind of anion aqueous uncured rubber asphalt waterproof coating is made of component A and component B；Component A
By the anion modified rubber emulsified asphalt (being prepared 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.
Heat resistance to embodiment 1-3, comparative example 1-3, acid processing mass loss, alkali process mass loss, Yan Chu respectively
Reason mass loss compares experiment, and experimental method is referring to " uncured rubber asphalt waterproof coating " draft standard for approval, experiment knot
Fruit is shown in Table 2:
From comparative experiments as can be seen that acid, alkali, Yan Chu can be effectively reduced after addition wax emulsion and graphene aqueous slurry
Mass loss after reason.
The each component of anion modified rubber emulsified asphalt changes to overall performance impact in comparative example 1-3, is shown in Table
3:
It can be seen that the increase of rubber elastomer dosage can improve the lower temperature resistance and extension of product from the correlation data of table 3
Property.
In order to more clearly describe to the parameter selection meaning for preparing caoutchouc elasticity modified asphalt, special column following table is to show
It is bright:
Above-listed detailed description is illustrating for possible embodiments of the present invention, and the embodiment is not to limit this hair
Bright the scope of the patents, all equivalence enforcements or change without departing from carried out by the present invention, is intended to be limited solely by the scope of the patents of this case.
Claims (3)
1. a kind of anion-type water-thinned uncured rubber asphalt waterproof coating, it is characterised in that: it is made of component A and component B,
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 hydrophobing agent of 0.1-1 mass parts, 0.5-2.5 mass parts permeability-reducing admixture composition, component B is quality point
Number is the inorganic salt solution of 10-30%, and the mass ratio of component A and component B is 5-15:1；Anion rubber modified asphalt cream
Matrix pitch, tackifier, the rubber bullet that liquid is 25-35:15-25:3-6:5-8:0.1-0.3:0.2-0.4:35-50 by mass ratio
Property body, anion emulsifier, stabilizer, PH regulator and water emulsified by colloid mill, the hydrophobing agent be wax emulsion,
The permeability-reducing admixture is watersoluble plumbago alkene slurry, and the matrix pitch is No. 70, No. 90 or No. 110 asphalt, the rubber
Glue elastomer is styrene-butadiene-styrene ternary block copolymer SBS and its derivative Hydrogenated SBS (SEBS), benzene second
One of alkene-isoprene styrene SIS or a variety of；The tackifier are rubber aromatic oil；Described is anionic emulsifying
Agent is one or more of carboxylic acid type, sulfonate type, phosphate type and sulfuric acid ester type anion emulsifier；The stabilization
Agent is one or more of inorganic thickening agent class, cellulose family, polyacrylate and association type polyurethanes mixture；Institute
The PH regulator stated is for NaOH, and the preparation method of anion rubber modified pitch emulsion is: preparation mass ratio is 25-35:15-
25:3-6:5-8:0.1-0.3:0.2-0.4:35-50 matrix pitch, tackifier, rubber elastomer, anion emulsifier, steady
Agent, PH regulator and water are determined, wherein matrix pitch, tackifier, rubber elastomer, anion emulsifier is mixed at 160-180 DEG C
Close shearing and obtain pitch mixed liquor in 3 hours, by stabilizer, PH regulator it is soluble in water and be heated to 60-70 DEG C aqueous solution, together
When pitch mixed liquor and aqueous solution are emulsified by colloid mill, cooling discharging is up to anion rubber modified pitch emulsion.
2. the anion-type water-thinned uncured rubber asphalt waterproof coating of one kind according to claim 1, it is characterised in that: institute
Stating inorganic salts is at least one of inorganic calcium salt, inorganic magnesium salt and inorganic iron aluminium salt.
3. a kind of preparation method of anion-type water-thinned uncured rubber asphalt waterproof coating as described in claim 1, special
Sign is: the following steps are included:
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 wax emulsion of 0.1-1 mass parts, 0.5-2.5 mass parts watersoluble plumbago alkene slurry uniform stirring are mixed
Conjunction obtains component A；
2., inorganic salts are dissolved in water to 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 by spray gun spraying mix, obtain anion-type water-thinned uncured
Rubber Modified Asphalt Waterproof Coating；
Wherein step 1. in, the preparation method of anion rubber modified pitch emulsion is: preparation mass ratio be 25-35:15-
25:3-6:5-8:0.1-0.3:0.2-0.4:35-50 matrix pitch, tackifier, rubber elastomer, anion emulsifier, steady
Agent, PH regulator and water are determined, wherein matrix pitch, tackifier, rubber elastomer, anion emulsifier is mixed at 160-180 DEG C
Close shearing and obtain pitch mixed liquor in 3 hours, by stabilizer, PH regulator it is soluble in water and be heated to 60-70 DEG C aqueous solution, together
When pitch mixed liquor and aqueous solution are emulsified by colloid mill, cooling discharging is up to anion rubber modified pitch emulsion.
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