CN105315471A - Emulsified SBS modified asphalt and reparation method thereof, waterproof coating and reparation method thereof - Google Patents
Emulsified SBS modified asphalt and reparation method thereof, waterproof coating and reparation method thereof Download PDFInfo
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Abstract
The invention discloses emulsified SBS modified asphalt and a reparation method thereof, a waterproof coating and a reparation method thereof. The emulsified SBS modified asphalt is prepared from, by mass, 80-110 parts of matrix asphalt, 2-12 parts of SBS, 0-6 parts of stabilizer, 0-4 parts of sodium hydroxide, 1-5 parts of anionic emulsifier, 0-5 parts of non-ionic emulsifier and 45-95 parts of water. According to the emulsified SBS modified asphalt and the reparation method thereof, the waterproof coating and the reparation method thereof, the SBS serves as a modifying agent, a continuous island structure is formed in matrix asphalt particles, the mechanical property is improved, meanwhile styrene and butadiene chain segments are introduced into the SBS, the compatibility between the emulsified SBS modified asphalt and polymer emulsion in the waterproof coating is improved, and the storage stability of the obtained waterproof asphalt coating can be improved; when JC/T408-2005 'Emulsified Asphalt Waterproof Coating is met while the tensile strength reaches over 0.6MPa, the content of polymer emulsion in the waterproof coating is lowered, and the cost is lowered.
Description
Technical field
The invention belongs to asphalt material technical field, be specifically related to a kind of emulsified SBS modified asphalt and preparation method thereof, waterproof paint and preparation method thereof.
Background technology
Petroleum pitch is a kind of product of Crude Oil Processing, is thick liquid or the solid of black or chocolate under normal temperature, and it is the organic material as a form of gel of a kind of brownish black.The main component of petroleum pitch is bituminous matter and resin, secondly contains the compound of high boiling point mineral oil and a small amount of oxygen, sulphur and chlorine.Petroleum pitch is glossy, and in liquid, semisolid or solid state, during low temperature, matter is crisp, and adhesive property is good.Emulsified bitumen be pitch and emulsifying agent under certain process acts, generate oil-in-water or water in oil liquid bitumen.
Petroleum pitch is used for waterproofing work and has that raw material is easy to get, the advantage such as cheap, is a kind of water-proof materials the widest at most at present both at home and abroad in waterproof, seepage control engineering.But drop down cold short splitting owing to self there is hot-fluid, weathering resistance is bad, and produces atmospheric pollution in heat construction, easy presence of fire and the problem such as operating efficiency is low.At present, the development of Emulsificated asphalt water-proof painting material becomes a heat subject, in asphaltic base waterproof paint, China roughly experienced by emulsified bitumen, solvent-borne type polymer-modified asphalt and water-latex type polymer-modified asphalt three phases, and water milk type polymer modified asphalt waterproof material is favored by industry deeply with the water resistance of its excellence, the easily feature such as form of construction work, environmental protection in recent years.At present, prepared by the method that polymer emulsion mixes with emulsified bitumen by the many employings of water milk type polymer modified waterproof asphalt material production technique, and polymer emulsion prevailing price is higher, make the price of water milk type polymer modified waterproof asphalt material be difficult to reduce, the popularization in market hinders larger.Utilize the verified performance that greatly can improve bituminous material of SBS (styrene-butadiene-styrene block copolymer) modified bituminous pitch coiled material, thus reduce costs, but SBS is added in water-latex type bituminous composition because himself characteristic is difficult to be made into emulsion.
Summary of the invention
Technical problem to be solved by this invention is for above shortcomings in prior art, a kind of emulsified SBS modified asphalt and preparation method thereof, waterproof paint and preparation method thereof are provided, emulsified SBS modified asphalt of the present invention has good preservation stability, and the coating that waterproof paint containing emulsified SBS modified asphalt of the present invention is formed has high strength, with the advantage such as basic unit adhesive property is good.
The technical scheme that solution the technology of the present invention problem adopts is to provide a kind of emulsified SBS modified asphalt, and its formula represented with mass fraction comprises: matrix pitch 80 ~ 110 parts; SBS2 ~ 12 part; Stablizer 0 ~ 6 part; 0 ~ 4 part, sodium hydroxide; Anionic emulsifier 1 ~ 5 part; Nonionic emulsifying agent 0 ~ 5 part; 45 ~ 95 parts, water.The emulsified SBS modified asphalt of preparation is anionic, is easier to mix with the anionic emulsion of other suitability for industrialized production.SBS is styrene-butadiene-styrene block copolymer.
Preferably, the mass fraction of described nonionic emulsifying agent is 1 ~ 5 part.Do not need special emulsifying agent in the preparation process of emulsified SBS modified asphalt, and improve the emulsifying power of emulsifying agent by composite mode, the emulsified SBS modified asphalt stable performance finally obtained.
Preferably, the mass fraction of described stablizer is 1 ~ 6 part, and the mass fraction of described sodium hydroxide is 1 ~ 4 part.
Preferably, described matrix pitch is 70# petroleum pitch, 90# petroleum pitch, one or more in 100# petroleum pitch, 200# petroleum pitch;
Described stablizer is Walocel MT 20.000PV, Natvosol, polyvinyl alcohol, one or more in polyacrylamide;
Described anionic emulsifier is sulfonate type emulsifying agent, Phenylsulfonic acid salt form emulsifying agent, carboxylic acid type emulsifying agent, one or more in phosphoric acid ester salt form emulsifying agent;
Described nonionic emulsifying agent is alkylphenol polyoxyethylene, the single grease of Sorbitan acid, fatty alcohol-polyoxyethylene ether, one or more in polyoxyethylene sorbitan monooleate;
Described SBS is type SBS swallowization 1401, LG501, one or more in star-shaped sbs swallowization 4402, Ba Ling petrochemical industry 803.
The present invention also provides a kind of preparation method of above-mentioned emulsified SBS modified asphalt, comprises the following steps:
SBS is poured in solvent oil, obtain the SBS solution that concentration is 5 ~ 30wt%;
After matrix pitch being heated to 120 ~ 130 DEG C of meltings, then add described SBS solution wherein, reheat to 150 ~ 160 DEG C and described solvent oil is volatilized, obtained SBS modifying asphalt; After solvent oil volatilizees completely, SBS and matrix pitch is made fully to be mixed to get SBS modifying asphalt.The method is prepared modifying asphalt and is reduced the preparation temperature that prior art uses, and has saved the energy greatly, has reduced cost.
Described SBS modifying asphalt is heated to 130 ~ 140 DEG C, after the anionic emulsifier of the described SBS modifying asphalt after heating and 60 ~ 65 DEG C, nonionic emulsifying agent and stablizer mixing and emulsifying, adding sodium hydroxide adjustment pH is 9-11, cools to 80 ~ 90 DEG C, obtains emulsified modified asphalt.
Preferably, described solvent oil is 70# alkane, 90# alkane, one or more in 120# alkane, naphthenic hydrocarbon, aromatic hydrocarbon solvent oil.
The present invention also provides a kind of waterproof paint, comprises with the formula that mass fraction represents: above-mentioned emulsified SBS modified asphalt 50 ~ 95 parts, polymer emulsion 5 ~ 50 parts, thickening material 0 ~ 10 part, fine powder material 0 ~ 50 part.
Preferably, the solid content of described polymer emulsion is 55 ~ 70wt%.
Preferably, the mass fraction of described thickening material is 0.5 ~ 10 part, and the mass fraction of described fine powder material is 1 ~ 50 part.
Preferably, described fine powder material is one or more in dicalcium powder, porcelain powder, light calcium carbonate powder, talcum powder;
Described thickening material is one or more in organobentonite, clay, thickening material RSA-60, thickening material RM-8W, thickening material RM-825, thickening material SCT-275;
Described polymer emulsion is one or more in neoprene emulsion, benzene emulsion, pure-acrylic emulsion, hydroxyl styrene-butadiene emulsion.
The present invention also provides a kind of preparation method of above-mentioned waterproof paint, comprises the following steps:
Fine powder material being dispersed in water the solid content obtaining described fine powder material is 50 ~ 60wt%, mixes, then add thickening material with polymer emulsion, then adds above-mentioned emulsified SBS modified asphalt, obtains waterproof paint.
Present invention utilizes after SBS is dissolved and add in matrix pitch the method preparing emulsified SBS modified asphalt again, SBS defines continuous island structure as properties-correcting agent in matrix pitch particle, improve the mechanical property of emulsified SBS modified asphalt, being added in emulsified bitumen particle of this composition of SBS introduces vinylbenzene and butadiene segment simultaneously, improve the consistency of emulsified SBS modified asphalt and polymer emulsion in the waterproof paint containing this emulsified SBS modified asphalt, the stability in storage of the water proofing asphalt coating prepared can be improved.This SBS modified emulsifying asphalt and polymer emulsion is used to prepare waterproof paint, when meeting JC/T408-2005 " emulsified asphalt waterproofing coating " while, tensile strength reaches more than 0.6MPa, reduce the content of the polymer emulsion in waterproof paint, thus greatly reduce cost, be beneficial to the popularization of asphaltic base aqueous waterproofing paint.Emulsified SBS modified asphalt of the present invention has good preservation stability, and the coating that the waterproof paint containing emulsified SBS modified asphalt of the present invention is formed has high strength, with the advantage such as basic unit adhesive property is good.
Embodiment
For making those skilled in the art understand technical scheme of the present invention better, below in conjunction with embodiment, the present invention is described in further detail.
Embodiment 1
The present embodiment provides a kind of emulsified SBS modified asphalt, and its formula represented with mass fraction comprises: matrix pitch 100 parts; SBS6 part; Anionic emulsifier 2 parts; 60 parts, water.Described matrix pitch is 70# petroleum pitch; Described anionic emulsifier is the mixture (mass ratio is 2:1) of sulfonate type emulsifying agent and Phenylsulfonic acid salt form emulsifying agent; Described SBS is type SBS swallowization 1401.
The present embodiment additionally provides the preparation method of above-mentioned emulsified SBS modified asphalt, it is characterized in that, comprises the following steps:
SBS is poured in solvent oil, obtain the SBS solution that concentration is 30wt%;
After matrix pitch being heated to 125 DEG C of meltings, then add described SBS solution wherein, reheat to 150 DEG C and described solvent oil is volatilized, obtained SBS modifying asphalt;
Described SBS modifying asphalt is heated to 136 DEG C, after the described SBS modifying asphalt after heating and the anionic emulsifier mixing and emulsifying of 60 DEG C, cools to 90 DEG C, obtain emulsified modified asphalt.
The present embodiment provides a kind of waterproof paint, comprises with the formula that mass fraction represents: above-mentioned emulsified SBS modified asphalt 60 parts, polymer emulsion 25 parts.Described polymer emulsion is neoprene emulsion.
The present embodiment additionally provides the preparation method of above-mentioned waterproof paint, comprises the following steps:
In polymer emulsion, add thickening material, then add above-mentioned emulsified SBS modified asphalt, obtain waterproof paint.
The present embodiment adds in matrix pitch the method preparing emulsified SBS modified asphalt after make use of and being dissolved by SBS again, SBS defines continuous island structure as properties-correcting agent in matrix pitch particle, improve the mechanical property of emulsified SBS modified asphalt, being added in emulsified bitumen particle of this composition of SBS introduces vinylbenzene and butadiene segment simultaneously, improve the consistency of emulsified SBS modified asphalt and polymer emulsion in the waterproof paint containing this emulsified SBS modified asphalt, the stability in storage of the water proofing asphalt coating prepared can be improved.This SBS modified emulsifying asphalt and polymer emulsion is used to prepare waterproof paint, when meeting JC/T408-2005 " emulsified asphalt waterproofing coating " while, tensile strength reaches more than 0.6MPa, reduce the content of the polymer emulsion in waterproof paint, thus greatly reduce cost, be beneficial to the popularization of asphaltic base aqueous waterproofing paint.The emulsified SBS modified asphalt of the present embodiment has good preservation stability, and the coating that the waterproof paint of emulsified SBS modified asphalt containing the present embodiment is formed has high strength, with the advantage such as basic unit adhesive property is good.
Embodiment 2
The present embodiment provides a kind of emulsified SBS modified asphalt, and its formula represented with mass fraction comprises: matrix pitch 95 parts; SBS2 part; Stablizer 1 part; 2 parts, sodium hydroxide; Anionic emulsifier 1 part; Nonionic emulsifying agent 1 part; 70 parts, water.Described matrix pitch is 90# petroleum pitch; Described stablizer is the mixture (mass ratio is 3:5) of Walocel MT 20.000PV and Natvosol; Described anionic emulsifier is carboxylic acid type emulsifying agent; Described nonionic emulsifying agent is alkylphenol polyoxyethylene; Described SBS is LG501.
The present embodiment additionally provides the preparation method of above-mentioned emulsified SBS modified asphalt, it is characterized in that, comprises the following steps:
SBS is poured in solvent oil, obtain the SBS solution that concentration is 5wt%;
After matrix pitch being heated to 120 DEG C of meltings, then add described SBS solution wherein, reheat to 155 DEG C and described solvent oil is volatilized, obtained SBS modifying asphalt;
Described SBS modifying asphalt is heated to 138 DEG C, and after the anionic emulsifier of the described SBS modifying asphalt after heating and 62 DEG C, nonionic emulsifying agent and stablizer mixing and emulsifying, adding sodium hydroxide adjustment pH is 9, cools to 80 DEG C, obtains emulsified modified asphalt.
The present embodiment provides a kind of waterproof paint, comprises with the formula that mass fraction represents: above-mentioned emulsified SBS modified asphalt 70 parts, polymer emulsion 50 parts, thickening material 2 parts, fine powder material 50 parts.Described fine powder material is dicalcium powder; Described thickening material is organobentonite; Described polymer emulsion is benzene emulsion.
The present embodiment additionally provides the preparation method of above-mentioned waterproof paint, comprises the following steps:
Fine powder material being dispersed in water the solid content obtaining described fine powder material is 52wt%, mixes, then add thickening material with polymer emulsion, then adds above-mentioned emulsified SBS modified asphalt, obtains waterproof paint.
Embodiment 3
The present embodiment provides a kind of emulsified SBS modified asphalt, and its formula represented with mass fraction comprises: matrix pitch 90 parts; SBS8 part; Stablizer 6 parts; 1 part, sodium hydroxide; Anionic emulsifier 5 parts; Nonionic emulsifying agent 5 parts; 95 parts, water.Described matrix pitch is 100# petroleum pitch; Described stablizer is polyvinyl alcohol; Described anionic emulsifier is phosphoric acid ester salt form emulsifying agent; Described nonionic emulsifying agent is the mixture (mass ratio is 2:1) of the Sorbitan single grease of acid and fatty alcohol-polyoxyethylene ether; Described SBS is the mixture (mass ratio is 2:1) in star-shaped sbs swallowization 4402 and Ba Ling petrochemical industry 803.
The present embodiment additionally provides the preparation method of above-mentioned emulsified SBS modified asphalt, it is characterized in that, comprises the following steps:
SBS is poured in solvent oil, obtain the SBS solution that concentration is 25wt%;
After matrix pitch being heated to 130 DEG C of meltings, then add described SBS solution wherein, reheat to 158 DEG C and described solvent oil is volatilized, obtained SBS modifying asphalt;
Described SBS modifying asphalt is heated to 134 DEG C, and after the anionic emulsifier of the described SBS modifying asphalt after heating and 63 DEG C, nonionic emulsifying agent and stablizer mixing and emulsifying, adding sodium hydroxide adjustment pH is 11, cools to 85 DEG C, obtains emulsified modified asphalt.
The present embodiment provides a kind of waterproof paint, comprises with the formula that mass fraction represents: above-mentioned emulsified SBS modified asphalt 80 parts, polymer emulsion 30 parts, thickening material 8 parts, fine powder material 25 parts.Described fine powder material is porcelain powder; Described thickening material is the mixture (mass ratio is 2:3) of clay and thickening material RSA-60; Described polymer emulsion is the mixture (mass ratio is 1:3) of pure-acrylic emulsion and hydroxyl styrene-butadiene emulsion.
The present embodiment additionally provides the preparation method of above-mentioned waterproof paint, comprises the following steps:
Fine powder material being dispersed in water the solid content obtaining described fine powder material is 54wt%, mixes, then add thickening material with polymer emulsion, then adds above-mentioned emulsified SBS modified asphalt, obtains waterproof paint.
Embodiment 4
The present embodiment provides a kind of emulsified SBS modified asphalt, and its formula represented with mass fraction comprises: matrix pitch 110 parts; SBS4 part; Stablizer 2 parts; 4 parts, sodium hydroxide; Anionic emulsifier 3 parts; Nonionic emulsifying agent 3 parts; 80 parts, water.Described matrix pitch is the mixture (mass ratio is 3:1) of 70# petroleum pitch and 90# petroleum pitch; Described stablizer is polyacrylamide; Described anionic emulsifier is sulfonate type emulsifying agent; Described nonionic emulsifying agent is polyoxyethylene sorbitan monooleate; Described SBS is Ba Ling petrochemical industry 803.
The present embodiment additionally provides the preparation method of above-mentioned emulsified SBS modified asphalt, it is characterized in that, comprises the following steps:
SBS is poured in solvent oil, obtain the SBS solution that concentration is 15wt%;
After matrix pitch being heated to 128 DEG C of meltings, then add described SBS solution wherein, reheat to 152 DEG C and described solvent oil is volatilized, obtained SBS modifying asphalt;
Described SBS modifying asphalt is heated to 132 DEG C, and after the anionic emulsifier of the described SBS modifying asphalt after heating and 65 DEG C, nonionic emulsifying agent and stablizer mixing and emulsifying, adding sodium hydroxide adjustment pH is 10, cools to 84 DEG C, obtains emulsified modified asphalt.
The present embodiment provides a kind of waterproof paint, comprises with the formula that mass fraction represents: above-mentioned emulsified SBS modified asphalt 50 parts, polymer emulsion 40 parts, thickening material 10 parts, fine powder material 1 part.Described fine powder material is dicalcium powder; Described thickening material is thickening material RM-8W; Described polymer emulsion is pure-acrylic emulsion.
The present embodiment additionally provides the preparation method of above-mentioned waterproof paint, comprises the following steps:
Fine powder material being dispersed in water the solid content obtaining described fine powder material is 56wt%, mixes, then add thickening material with polymer emulsion, then adds above-mentioned emulsified SBS modified asphalt, obtains waterproof paint.
Embodiment 5
The present embodiment provides a kind of emulsified SBS modified asphalt, and its formula represented with mass fraction comprises: matrix pitch 85 parts; SBS12 part; Stablizer 4 parts; 3 parts, sodium hydroxide; Anionic emulsifier 4 parts; Nonionic emulsifying agent 4 parts; 65 parts, water.Described matrix pitch is 200# petroleum pitch; Described stablizer is Walocel MT 20.000PV; Described anionic emulsifier is Phenylsulfonic acid salt form emulsifying agent; Described nonionic emulsifying agent is alkylphenol polyoxyethylene; Described SBS is type SBS swallowization 1401.
The present embodiment additionally provides the preparation method of above-mentioned emulsified SBS modified asphalt, it is characterized in that, comprises the following steps:
SBS is poured in solvent oil, obtain the SBS solution that concentration is 10wt%;
After matrix pitch being heated to 124 DEG C of meltings, then add described SBS solution wherein, reheat to 154 DEG C and described solvent oil is volatilized, obtained SBS modifying asphalt;
Described SBS modifying asphalt is heated to 140 DEG C, and after the anionic emulsifier of the described SBS modifying asphalt after heating and 64 DEG C, nonionic emulsifying agent and stablizer mixing and emulsifying, adding sodium hydroxide adjustment pH is 10, cools to 86 DEG C, obtains emulsified modified asphalt.
The present embodiment provides a kind of waterproof paint, comprises with the formula that mass fraction represents: above-mentioned emulsified SBS modified asphalt 95 parts, polymer emulsion 45 parts, thickening material 6 parts, fine powder material 30 parts.Described fine powder material is talcum powder; Described thickening material is thickening material SCT-275; Described polymer emulsion is hydroxyl styrene-butadiene emulsion.
The present embodiment additionally provides the preparation method of above-mentioned waterproof paint, comprises the following steps:
Fine powder material being dispersed in water the solid content obtaining described fine powder material is 58wt%, mixes, then add thickening material with polymer emulsion, then adds above-mentioned emulsified SBS modified asphalt, obtains waterproof paint.
Embodiment 6
The present embodiment provides a kind of emulsified SBS modified asphalt, and its formula represented with mass fraction comprises: matrix pitch 80 parts; SBS10 part; Stablizer 3 parts; 2.5 parts, sodium hydroxide; Anionic emulsifier 2.5 parts; Nonionic emulsifying agent 3.5 parts; 45 parts, water.Described matrix pitch is 100# petroleum pitch; Described stablizer is Natvosol; Described anionic emulsifier is carboxylic acid type emulsifying agent; Described nonionic emulsifying agent is fatty alcohol-polyoxyethylene ether; Described SBS is type SBS swallowization 1401.
The present embodiment additionally provides the preparation method of above-mentioned emulsified SBS modified asphalt, it is characterized in that, comprises the following steps:
SBS is poured in solvent oil, obtain the SBS solution that concentration is 20wt%;
After matrix pitch being heated to 126 DEG C of meltings, then add described SBS solution wherein, reheat to 160 DEG C and described solvent oil is volatilized, obtained SBS modifying asphalt;
Described SBS modifying asphalt is heated to 130 DEG C, and after the anionic emulsifier of the described SBS modifying asphalt after heating and 61 DEG C, nonionic emulsifying agent and stablizer mixing and emulsifying, adding sodium hydroxide adjustment pH is 11, cools to 88 DEG C, obtains emulsified modified asphalt.
The present embodiment provides a kind of waterproof paint, comprises with the formula that mass fraction represents: above-mentioned emulsified SBS modified asphalt 65 parts, polymer emulsion 5 parts, thickening material 0.5 part, fine powder material 40 parts.Described fine powder material is light calcium carbonate powder and talcous mixture (mass ratio is 2:1); Described thickening material is thickening material RM-825; Described polymer emulsion is neoprene emulsion.
The present embodiment additionally provides the preparation method of above-mentioned waterproof paint, comprises the following steps:
Fine powder material being dispersed in water the solid content obtaining described fine powder material is 60wt%, mixes, then add thickening material with polymer emulsion, then adds above-mentioned emulsified SBS modified asphalt, obtains waterproof paint.
Embodiment 7
The present embodiment provides a kind of waterproof paint, is made up of the raw material of following mass fraction: emulsified SBS modified asphalt 85 parts, neoprene emulsion 15 parts, organobentonite 0.5 part, coarse whiting 5 parts.Wherein, emulsified SBS modified asphalt is made up of the raw material of following masses number: 100 parts, 70# petroleum pitch; SBS10 part; Stablizer 4 parts; 2 parts, sodium hydroxide; Sodium dodecylbenzene sulfonate 1 part; Polyoxyethylene sorbitan monooleate 1 part; 80 parts, water.
The present embodiment provides a kind of preparation method of emulsified SBS modified asphalt, comprises the following steps:
First swallow SBS-1401 is got 30 parts and put into 70 parts of 120# solvent oils, after stirring 4h, obtain SBS solution.70# petroleum pitch is heated to 120 DEG C of fusing dehydrations, adds 10 parts of SBS solution while stirring, stir 1h, be warming up to 150 DEG C, continue to stir 1h and solvent oil is volatilized, obtain SBS modifying asphalt.Add in 80 parts of water by 1 part of Sodium dodecylbenzene sulfonate and 1 part of polyoxyethylene sorbitan monooleate, post-heating to 65 DEG C is dissolved in vibration, is mixed to get anionic emulsifying SBS modifying asphalt with the SBS modifying asphalt being heated to 130 DEG C in colloidal mill.
The present embodiment provides a kind of preparation method of waterproof paint, comprises the following steps:
5 parts of coarse whitings are dispersed in 5 parts of water, add 0.5 part of organobentonite after 10 minutes with 15 parts of neoprene emulsion mix and blends, again 85 parts of emulsified SBS modified asphalts are added continuation stirring after stirring and namely obtain waterproof paint in 15 minutes.Product performance are in table 1.
The present embodiment adds in matrix pitch the method preparing emulsified SBS modified asphalt after make use of and being dissolved by SBS again, SBS defines continuous island structure as properties-correcting agent in matrix pitch particle, improve the mechanical property of emulsified SBS modified asphalt, being added in emulsified bitumen particle of this composition of SBS introduces vinylbenzene and butadiene segment simultaneously, improve the consistency of emulsified SBS modified asphalt and polymer emulsion in the waterproof paint containing this emulsified SBS modified asphalt, the stability in storage of the water proofing asphalt coating prepared can be improved.This SBS modified emulsifying asphalt and polymer emulsion is used to prepare waterproof paint, when meeting JC/T408-2005 " emulsified asphalt waterproofing coating " while, tensile strength reaches more than 0.6MPa, reduce the content of the polymer emulsion in waterproof paint, thus greatly reduce cost, be beneficial to the popularization of asphaltic base aqueous waterproofing paint.The emulsified SBS modified asphalt of the present embodiment has good preservation stability, and the coating that the waterproof paint of emulsified SBS modified asphalt containing the present embodiment is formed has high strength, with the advantage such as basic unit adhesive property is good.
Embodiment 8
The present embodiment provides a kind of waterproof paint, is made up of the raw material of following mass fraction: emulsified SBS modified asphalt 95 parts, neoprene emulsion 5 parts, thickening material RM-8W product 1 part, coarse whiting 3 parts.Wherein, emulsified SBS modified asphalt is made up of the raw material of following masses number: 100 parts, 90# petroleum pitch; SBS12 part; Stablizer 4 parts; 2 parts, sodium hydroxide; Sodium dodecylbenzene sulfonate 1 part; Polyoxyethylene sorbitan monooleate 2 parts; 80 parts, water.
The present embodiment provides a kind of preparation method of SBS modifying asphalt, comprises the following steps:
First swallow SBS-1401 is got 30 parts and put into 70 parts of 120# solvent oils, after stirring 4h, obtain SBS solution.90# petroleum pitch is heated to 120 DEG C of fusing dehydrations, adds 10 parts of SBS solution while stirring, stir 1h, be warming up to 150 DEG C, continue to stir 1h and solvent oil is volatilized, obtain SBS modifying asphalt.
The present embodiment provides a kind of preparation method of waterproof paint, comprises the following steps:
Add in 80 parts of water by 1 part of Sodium dodecylbenzene sulfonate and 2 parts of polyoxyethylene sorbitan monooleate, post-heating to 65 DEG C is dissolved in vibration, is mixed to get anionic emulsifying SBS modifying asphalt after SBS modifying asphalt is heated to 120 DEG C with soap lye in colloidal mill.3 parts of coarse whitings are dispersed in 2 parts of water, after 5 parts of neoprene emulsions added stirring after 10 minutes, add 1 part of RM-8W, again 95 parts of emulsified SBS modified asphalts are added after stirring and continue stirring and namely obtain product in 15 minutes.Product performance are in table 1.
Embodiment 9
The present embodiment provides a kind of waterproof paint, is made up of the raw material of following mass fraction: emulsified SBS modified asphalt 90 parts, benzene emulsion 10 parts, organobentonite 0.5 part, coarse whiting 5 parts.Wherein, emulsified SBS modified asphalt is made up of the raw material of following masses number: 100 parts, 90# petroleum pitch; SBS8 part; Stablizer 4 parts; 2 parts, sodium hydroxide; Sodium dodecylbenzene sulfonate 1 part; Polyoxyethylene sorbitan monooleate 2 parts; 80 parts, water.
The present embodiment provides a kind of preparation method of SBS modifying asphalt, comprises the following steps:
First swallow SBS-1401 is got 20 parts and put into 80 parts of 120# solvent oils, after stirring 4h, obtain SBS solution.90# petroleum pitch is heated to 120 DEG C of fusing dehydrations, adds 10 parts of SBS solution while stirring, stir 1h, be warming up to 150 DEG C, continue to stir 1h and solvent oil is volatilized, obtain SBS modifying asphalt.
The present embodiment provides a kind of preparation method of waterproof paint, comprises the following steps:
Add in 80 parts of water by 1 part of Sodium dodecylbenzene sulfonate and 2 parts of polyoxyethylene sorbitan monooleate, post-heating to 65 DEG C is dissolved in vibration, is mixed to get anionic emulsifying SBS modifying asphalt after SBS modifying asphalt is heated to 120 DEG C with soap lye in colloidal mill.Stir 1h by after anionic emulsifying SBS modifying asphalt and benzene emulsion and fine powder material mixing, namely obtain product.The formula that in table, soluble asphalt waterproof paint in market represents with mass fraction comprises: matrix pitch 72 parts, anionic emulsifier 3 parts, polychloroprene latex 25 parts, thickening material 1 part, filler 20 parts.Product performance are in table 1.
Table 1
The surface drying time of the waterproof paint in embodiment 7 ~ 9 is 1 ~ 2.5 hour, lower than above-mentioned market soluble asphalt waterproof paint.Permeable phenomenon can not be there is in the film that the waterproof paint in embodiment 7 ~ 9 obtains under 0.3 ~ 0.4MPa pressure; The unit elongation of waterproof paint film is greater than 1000%; The tensile strength height of waterproof paint film can reach more than 1.0MPa, high with basic unit cohesive strength, produces above-mentioned waterproof paint and changes little to existing equipment, can widespread production replace current material.
Be understandable that, the illustrative embodiments that above embodiment is only used to principle of the present invention is described and adopts, but the present invention is not limited thereto.For those skilled in the art, without departing from the spirit and substance in the present invention, can make various modification and improvement, these modification and improvement are also considered as protection scope of the present invention.
Claims (10)
1. an emulsified SBS modified asphalt, is characterized in that, its formula represented with mass fraction comprises: matrix pitch 80 ~ 110 parts; SBS2 ~ 12 part; Stablizer 0 ~ 6 part; 0 ~ 4 part, sodium hydroxide; Anionic emulsifier 1 ~ 5 part; Nonionic emulsifying agent 0 ~ 5 part; 45 ~ 95 parts, water.
2. emulsified SBS modified asphalt according to claim 1, is characterized in that, the mass fraction of described nonionic emulsifying agent is 1 ~ 5 part.
3. emulsified SBS modified asphalt according to claim 1, is characterized in that, the mass fraction of described stablizer is 1 ~ 6 part, and the mass fraction of described sodium hydroxide is 1 ~ 4 part.
4. emulsified SBS modified asphalt according to claim 1, is characterized in that, described matrix pitch is 70# petroleum pitch, 90# petroleum pitch, one or more in 100# petroleum pitch, 200# petroleum pitch;
Described stablizer is Walocel MT 20.000PV, Natvosol, polyvinyl alcohol, one or more in polyacrylamide;
Described anionic emulsifier is sulfonate type emulsifying agent, Phenylsulfonic acid salt form emulsifying agent, carboxylic acid type emulsifying agent, one or more in phosphoric acid ester salt form emulsifying agent;
Described nonionic emulsifying agent is alkylphenol polyoxyethylene, the single grease of Sorbitan acid, fatty alcohol-polyoxyethylene ether, one or more in polyoxyethylene sorbitan monooleate;
Described SBS is type SBS swallowization 1401, LG501, one or more in star-shaped sbs swallowization 4402, Ba Ling petrochemical industry 803.
5. a preparation method for the emulsified SBS modified asphalt described in Claims 1 to 4 any one, is characterized in that, comprises the following steps:
SBS is poured in solvent oil, obtain the SBS solution that concentration is 5 ~ 30wt%;
After matrix pitch being heated to 120 ~ 130 DEG C of meltings, then add described SBS solution wherein, reheat to 150 ~ 160 DEG C and described solvent oil is volatilized, obtained SBS modifying asphalt;
Described SBS modifying asphalt is heated to 130 ~ 140 DEG C, after the anionic emulsifier of the described SBS modifying asphalt after heating and 60 ~ 65 DEG C, nonionic emulsifying agent and stablizer mixing and emulsifying, adding sodium hydroxide adjustment pH is 9-11, cools to 80 ~ 90 DEG C, obtains emulsified modified asphalt.
6. a waterproof paint, is characterized in that, comprises with the formula that mass fraction represents: the emulsified SBS modified asphalt described in Claims 1 to 4 50 ~ 95 parts, polymer emulsion 5 ~ 50 parts, thickening material 0 ~ 10 part, fine powder material 0 ~ 50 part.
7. waterproof paint according to claim 6, is characterized in that, the solid content of described polymer emulsion is 55 ~ 70wt%.
8. waterproof paint according to claim 6, is characterized in that, the mass fraction of described thickening material is 0.5 ~ 10 part, and the mass fraction of described fine powder material is 1 ~ 50 part.
9. waterproof paint according to claim 6, is characterized in that, described fine powder material is one or more in dicalcium powder, porcelain powder, light calcium carbonate powder, talcum powder;
Described thickening material is one or more in organobentonite, clay, thickening material RSA-60, thickening material RM-8W, thickening material RM-825, thickening material SCT-275;
Described polymer emulsion is one or more in neoprene emulsion, benzene emulsion, pure-acrylic emulsion, hydroxyl styrene-butadiene emulsion.
10. a preparation method for waterproof paint according to claim 6, is characterized in that, comprises the following steps:
Fine powder material being dispersed in water the solid content obtaining described fine powder material is 50 ~ 60wt%, mixes, then add thickening material with polymer emulsion, then adds the emulsified SBS modified asphalt described in Claims 1 to 4, obtains waterproof paint.
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Application publication date: 20160210 |