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Emulsion for modifying water emulsion asphalt coating, preparation method of emulsion and coating

An asphalt coating and water-emulsion technology, applied in asphalt coatings, coatings, etc., can solve the problems that water-emulsion asphalt coatings cannot have high tensile strength, high elongation and high bond strength at the same time, so as to improve compatibility properties, improve tensile strength, and improve air permeability

Active Publication Date: 2017-06-27
BEIJING ORIENTAL YUHONG WATERPROOF TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of this, the embodiment of the present invention provides an emulsion for modification of water-emulsion asphalt paint and its preparation method and paint. Adhesive strength and the problem of non-foaming in construction

Method used

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  • Emulsion for modifying water emulsion asphalt coating, preparation method of emulsion and coating
  • Emulsion for modifying water emulsion asphalt coating, preparation method of emulsion and coating
  • Emulsion for modifying water emulsion asphalt coating, preparation method of emulsion and coating

Examples

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Effect test

Embodiment 1

[0031] Prepare 110g of octadecyl acrylate, 132g of styrene, 182g of butyl acrylate, 99g of methyl methacrylate, and 27.5g of methacrylic acid, and add the above monomers into a container and mix them evenly to obtain a mixed monomer;

[0032] Add 200g of deionized water weighed into the pre-emulsification tank, then add 5g of HYPERMER2296 emulsifier produced by Croda in the United Kingdom, add the above-mentioned mixed monomers under the condition of slow stirring, and pass the homogenization after all the above-mentioned mixed monomers are added. The device obtains the pre-emulsion;

[0033] The prepared 40g of deionized water was added to 3g of ammonium persulfate, stirred and dissolved to obtain ammonium persulfate solution;

[0034] Add the prepared 300g deionized water into the reaction flask, raise the temperature of the water to 80°C, then add 20g of ammonium persulfate solution to the reaction flask, and start adding the above pre-emulsion solution dropwise after keepi...

Embodiment 2

[0037] Prepare 165g of isocylacrylate, 104.5g of p-methylstyrene, 143g of isooctyl acrylate, 110g of methyl acrylate and 27.5g of acrylamide, add the above monomers into a container and mix them evenly to obtain a mixed monomer;

[0038] Add 200g of deionized water weighed into the pre-emulsification tank, then add 5g of HYPERMER2296 emulsifier produced by Croda in the United Kingdom, add the above-mentioned mixed monomers under the condition of slow stirring, and pass the homogenization after all the above-mentioned mixed monomers are added. The device obtains the pre-emulsion;

[0039] The prepared 40g of deionized water was added to 3g of ammonium persulfate, stirred and dissolved to obtain ammonium persulfate solution;

[0040] Add the prepared 300g deionized water into the reaction flask, raise the temperature of the water to 85°C, then add 20g of ammonium persulfate solution to the reaction flask, and start adding the above pre-emulsion solution dropwise after keeping th...

Embodiment 3

[0043] Prepare 137.5g lauryl acrylate, 115.5g p-methylstyrene, 176g butyl acrylate, 99g methyl methacrylate, 10g acrylamide, 12g acrylonitrile, mix the above monomers uniformly to obtain mixed monomer A, Add the above monomers into the container and mix evenly to obtain mixed monomers;

[0044] Add 200g of deionized water weighed into the pre-emulsification tank, then add 5g of HYPERMER2296 emulsifier produced by Croda in the United Kingdom, add the above-mentioned mixed monomers under the condition of slow stirring, and pass the homogenization after all the above-mentioned mixed monomers are added. The device obtains the pre-emulsion;

[0045] The prepared 40g of deionized water was added to 3g of ammonium persulfate, stirred and dissolved to obtain ammonium persulfate solution;

[0046] Add the prepared 300g deionized water into the reaction flask, raise the temperature of the water to 88°C, then add 20g of ammonium persulfate solution to the reaction flask, and start addin...

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Abstract

The invention discloses an emulsion for modifying a water emulsion asphalt coating, a preparation method of the emulsion, and the coating, relates to the field of building materials, and solves technical problems that the water emulsion asphalt coating cannot achieve high tensile strength, high elongation, high bonding strength and construction without blistering simultaneously. The emulsion of the invention comprises the following components by mass: 20%-30% of long chain acrylate monomers, 15%-25% of styrene monomers, 25%-35% of acrylic soft monomers, 15%-20% of acrylic hard monomers and 3%-8% hydrophilic monomers. The water emulsion asphalt coating prepared by adopted the emulsion provided by the invention has characteristics of high tensile strength, high elongation, high bonding strength and construction without blistering simultaneously.

Description

technical field [0001] The invention relates to the field of building materials, in particular to an emulsion for modifying water-emulsion asphalt paint, a preparation method thereof, and a paint. Background technique [0002] With the development of road, bridge and construction engineering, asphalt is widely used in road and bridge engineering and waterproofing because of its excellent waterproof and cohesive properties. Water-emulsified asphalt waterproof coating is an oil-in-water emulsion formed by dispersing asphalt in water through high-shear mechanical force under the action of an emulsifier after hot-melting asphalt. This kind of emulsified asphalt obtained only by asphalt emulsification cannot be used alone as a waterproof material due to its poor mechanical properties and high temperature sensitivity, and can only be used as a general base treatment agent. In recent years, people have obtained rubber-modified emulsified asphalt waterproof materials by adding SBS ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D195/00C09D133/08C09D125/16C08F220/18C08F212/08C08F212/12C08F220/14C08F220/06C08F220/56C08F220/48
CPCC09D195/00C08F212/12C08F220/18C08F220/1811C08F220/1818C08F220/1804C08L33/08C08L25/16C08F220/1808C08F220/14C08F220/56C08F220/1812C08F220/48C08F220/06C08F212/08
Inventor 孙睢州贾建军于成文段文锋郭岳峰
Owner BEIJING ORIENTAL YUHONG WATERPROOF TECH CO LTD
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