CN103555204B - Thick matter waterproof paint of modified-high polymer water-latex type asphaltic base and preparation method thereof - Google Patents

Thick matter waterproof paint of modified-high polymer water-latex type asphaltic base and preparation method thereof Download PDF

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CN103555204B
CN103555204B CN201310416370.9A CN201310416370A CN103555204B CN 103555204 B CN103555204 B CN 103555204B CN 201310416370 A CN201310416370 A CN 201310416370A CN 103555204 B CN103555204 B CN 103555204B
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modified
latex
waterproof paint
high polymer
thick matter
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CN103555204A (en
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欧曙辉
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ZHEJIANG YUXI CORROSION CONTROL Corp.
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NINGBO RHINO MEMBRANES TECHNOLOGY Co Ltd
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Abstract

The invention belongs to thick matter waterproof paint of a kind of modified-high polymer water-latex type asphaltic base and preparation method thereof, this anion-modified emulsified bitumen of material high-concentration super-fine microactuator suspension emulsion-type and polyolefins properties-correcting agent, neoprene latex or SBR emulsion etc. the multiple synthesising macromolecule copolymer such as rubber latex, epoxy resin and SiO 2, the inorganic powder such as wilkinite as raw material, use special producing technique to be mixed with and makes, after tested, low temperature-20 DEG C of not embrittlement after film forming, high temperature of 120 DEG C does not trickle, and elastic recovery rate is up to 90%, and Absorbable organic halogens stores more than 1 year.

Description

Thick matter waterproof paint of modified-high polymer water-latex type asphaltic base and preparation method thereof
Technical field
The present invention relates to water-proof building material, specifically refer to thick matter waterproof paint of a kind of modified-high polymer water-latex type asphaltic base and preparation method thereof.
Background technology
As a kind of traditional water-proof material, pitch has good hydrophobic nature, watertightness, plasticity and cementability, is the cheap architectural waterproof material generally used both at home and abroad, but it also exists low temperature brittleness, high temperature trickling, poor flexibility and the ageing-resistant defect such as bad.
At present, in China's soluble asphalt base waterproof coating, modified waterproof asphalt material is mostly Bao Zhixing, and thick coating is not all modified.For thick coating, because pitch is not modified, unit elongation is low, low temperature flexibility is poor, although can form thick coating, its waterproof effect is still limited.
In China, modified asphalt waterproof material, generally based on waterproof roll, mostly adopts the method for flax silk or glass yarn reinforcement to improve tensile strength, the unit elongation of material will be caused so greatly to reduce, meanwhile, the adhesion of coiled material and basic unit is also a large problem on constructing always.
On market, high performance modified waterproof asphalt material is also rare.Common mostly be simple by adding polychloroprene latex to carry high performance modified waterproof asphalt material, simultaneously in order to improve high-temperature behavior, add the linking agents such as MgO, ZnO in coating more, but because the consistency of neoprene latex and pitch is poor, make coating less stable in storage process, and oxide compound soluble in water also can have a strong impact on the water resistance of film.
Summary of the invention
The technical problem to be solved in the present invention is, provides a kind of high temperature performance good, has excellent storage stability, the thick matter waterproof paint of modified-high polymer water-latex type asphaltic base of brushing of can directly constructing.
For solving the problems of the technologies described above, technical scheme provided by the invention is: the thick matter waterproof paint of a kind of modified-high polymer water-latex type asphaltic base, and this coating is prepared by each feed composition of following weight percent:
Described petroleum pitch is 60# pitch or 70# pitch, described polyolefins properties-correcting agent is amorphous propylene multipolymer (APAO), Atactic Polypropelene (APP) or styrene-butadiene-styrene block copolymer (SBS), improve the high-temperature behavior of coating after adding polyolefins properties-correcting agent, after film forming, high temperature does not trickle, does not drip.
Described rubber latex is one or both of neoprene latex or SBR emulsion, and improve the low-temperature performance of coating, low temperature not embrittlement after film forming, elasticity is good.
Described epoxy resin is epoxy resin E44 or epoxy resin E51, and described diamine crosslinking and curing agent is the wherein one of quadrol, propylene diamine, hexanediamine, Ursol D, 2 methyl pentamethylenediamine.After the present invention with the addition of epoxy resin and solidifying agent, further increase high temperature resistant, water tolerance, preservative property and the adhesion of coating.
Described stablizer is fatty alcohol-polyoxyethylene ether, polyoxypropyleneglycol or polytetrahydrofuran diol, and described Mierocrystalline cellulose is the wherein a kind of of Natvosol, carboxymethyl cellulose or Vltra tears.After the present invention with the addition of stablizer or Mierocrystalline cellulose, coating standing storage is not emanated, store and open packaging after 1 year and still can normally use, improve the stability in storage of coating.
Described rosined soap class emulsifying agent is disproportionated rosin potassium soap or rosin sodium soap.
Described mineral filler is the SiO of 1-3% 2with the wilkinite of 1-3%.
The present invention with the addition of SiO 2, after wilkinite and Mierocrystalline cellulose, improve viscosity and plasticity, the use properties of coating be protected, directly can brush, be coated with thickness, the thick film of formation still has excellent high/low temperature flexibility, improve weathering resistance and the anti-ultraviolet aging function of coating simultaneously, and extend work-ing life.
Described PH conditioning agent is NaOH or KOH.
The present invention also discloses the preparation method of the thick matter waterproof paint of a kind of modified-high polymer water-latex type asphaltic base, and preparation process comprises:
1) petroleum pitch pumped into asphalt tank and be heated to 150 DEG C ~ 180 DEG C, drop into polyolefins properties-correcting agent, high-speed stirring, then adds epoxy resin, with colloidal mill grinding after stirring, stirs and de-soak the polymer-modified asphalt prepared;
2) water, rosined soap class emulsifying agent, diamine crosslinking and curing agent and stablizer Hybrid Heating to 60 DEG C, and with PH conditioning agent, pH value is adjusted to 10-12, makes soap lye;
3) polymer-modified asphalt and soap lye are made modified emulsifying asphalt emulsion, add rubber latex, mineral filler, Mierocrystalline cellulose successively, stir and static froth breaking.
The present invention adopts the multiple synthesising macromolecule copolymer such as rubber latex, epoxy resin and the SiO such as the anion-modified emulsified bitumen of high-concentration super-fine microactuator suspension emulsion-type and polyolefins properties-correcting agent, neoprene latex or SBR emulsion 2, the inorganic powder such as wilkinite as raw material, use special producing technique to be mixed with and makes, after tested, low temperature-20 DEG C of not embrittlement after film forming, high temperature of 120 DEG C does not trickle, and elastic recovery rate is up to 90%, and Absorbable organic halogens stores more than 1 year.
Embodiment
Below by embodiment, the present invention is described in further detail.
Embodiment 1
60# water-proof material special asphalt is pumped into asphalt tank and is heated to 160 DEG C ~ 180 DEG C, drop into the APP of 3%, high-speed stirring 2 hours, then the epoxy resin E51 of 2% is added, stir through colloidal mill grinding after 30 minutes, the polymer-modified asphalt material prepared stirs 2 hours de-soaks, stand-by.In Soap liquid pot, pump into the hot water of 60 DEG C, drop into rosined soap class emulsifying agent 1%, the amount of AEO-9 is 0.02% and quadrol 0.6%, reconcile pH value to 11 with NaOH simultaneously, make soap lye.The polymer-modified asphalt prepared and soap lye are made through high-speed shearing machine the modified emulsifying asphalt emulsion that concentration is about 60% simultaneously, in this emulsion, add the polychloroprene latex of 25%, then successively 2% SiO 2, the wilkinite of 3% and the Mierocrystalline cellulose of 0.2%, to not stop lentamente to stir to be uniformly dispersed in reinforced process, after having fed intake, keep stirring 30 minutes, then stop stirring, add a small amount of defoamer and finished product barrelling after carrying out defoaming treatment for static 30 minutes.
Embodiment 2
70# heavy traffic paving asphalt is pumped into asphalt tank and be heated to 150 DEG C ~ 170 DEG C, drop into the APAO of 3%, high-speed stirring 2 hours, then the epoxy resin E44 of 2% is added, stir through colloidal mill grinding after 30 minutes, the polymer-modified asphalt material prepared stirs 2 hours de-soaks, stand-by.In Soap liquid pot, pump into the hot water of 60 DEG C, drop into rosined soap class emulsifying agent 1%, the amount of AEO-9 is 0.02% and quadrol 0.4%, reconcile pH value to 11 with NaOH simultaneously, make soap lye.The polymer-modified asphalt prepared and soap lye are made through high-speed shearing machine the modified emulsifying asphalt emulsion that concentration is about 60% simultaneously, in this emulsion, add polychloroprene latex and 10% styrene-butadiene latex of 15%, then successively 2% SiO 2, the wilkinite of 3% and the Mierocrystalline cellulose of 0.2%, to not stop lentamente to stir to be uniformly dispersed in reinforced process, after having fed intake, keep stirring 30 minutes, then stop stirring, add a small amount of defoamer and finished product barrelling after carrying out defoaming treatment for static 30 minutes.
The weight percent sum of each component of above-described embodiment is 100%.
By the thick matter waterproof paint of modified-high polymer water-latex type asphaltic base of above-described embodiment gained, according to " Test methods for building waterproof coatings " GB/T16777-2008, it is tested.Its main performance testing results is:
The thick matter waterproof paint of table 1 modified-high polymer water-latex type asphaltic base

Claims (6)

1. the thick matter waterproof paint of modified-high polymer water-latex type asphaltic base, is characterized in that: raw materials comprises:
Described petroleum pitch is 60# pitch or 70# pitch, and described polyolefins properties-correcting agent is amorphous propylene multipolymer, Atactic Polypropelene or styrene-butadiene-styrene block copolymer;
Described rosined soap class emulsifying agent is disproportionated rosin potassium soap or rosin sodium soap;
Described mineral filler is the SiO of 1-3% 2with the wilkinite of 1-3%.
2. the thick matter waterproof paint of modified-high polymer water-latex type asphaltic base according to claim 1, is characterized in that: described rubber latex is one or both of neoprene latex and SBR emulsion.
3. the thick matter waterproof paint of modified-high polymer water-latex type asphaltic base according to claim 1, it is characterized in that: described epoxy resin is epoxy resin E44 or epoxy resin E51, and described diamine crosslinking and curing agent is quadrol, propylene diamine, hexanediamine, Ursol D or 2 methyl pentamethylenediamine.
4. the thick matter waterproof paint of modified-high polymer water-latex type asphaltic base according to claim 1, it is characterized in that: described stablizer is fatty alcohol-polyoxyethylene ether, polyoxypropyleneglycol or polytetrahydrofuran diol, described Mierocrystalline cellulose is Natvosol, carboxymethyl cellulose or Vltra tears.
5. the thick matter waterproof paint of modified-high polymer water-latex type asphaltic base according to claim 1, is characterized in that: described PH conditioning agent is NaOH or KOH.
6. a preparation method for the thick matter waterproof paint of modified-high polymer water-latex type asphaltic base according to claim 1, is characterized in that:
(1) petroleum pitch pumped into asphalt tank and be heated to 150 DEG C ~ 180 DEG C, drop into polyolefins properties-correcting agent, high-speed stirring, then adds epoxy resin, with colloidal mill grinding after stirring, stirs and de-soak the polymer-modified asphalt prepared;
(2) water, rosined soap class emulsifying agent, diamine crosslinking and curing agent and stablizer Hybrid Heating to 60 DEG C, and with PH conditioning agent, pH value is adjusted to 10-12, makes soap lye;
(3) modified emulsifying asphalt emulsion made by the soap lye that polymer-modified asphalt step (1) prepared and step (2) prepare, and adds rubber latex, mineral filler, Mierocrystalline cellulose successively, stirs and static froth breaking.
CN201310416370.9A 2013-09-12 2013-09-12 Thick matter waterproof paint of modified-high polymer water-latex type asphaltic base and preparation method thereof Active CN103555204B (en)

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