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Waterborne epoxy asphalt anti-corrosive paint and processing technology thereof

A water-based epoxy asphalt and anti-corrosion coating technology, applied in the field of asphalt anti-corrosion coatings, can solve the problems of instability, poor compatibility, easy segregation, etc., and achieve the effect of improving incompatibility

Active Publication Date: 2019-08-09
安徽欣苗新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, since epoxy resin is a strong polar molecule and asphalt is a weak polar molecule, the compatibility between the two is poor. After mixing, it is unstable and prone to segregation. How to improve the relationship between asphalt and epoxy resin The compatibility between them is the difficulty in preparing waterborne epoxy asphalt anticorrosion coatings

Method used

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  • Waterborne epoxy asphalt anti-corrosive paint and processing technology thereof
  • Waterborne epoxy asphalt anti-corrosive paint and processing technology thereof
  • Waterborne epoxy asphalt anti-corrosive paint and processing technology thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0040] Embodiment 1: A kind of water-based epoxy asphalt anticorrosion coating, each component and its corresponding parts by weight are as shown in Table 1, and are prepared through the following steps:

[0041] Step 1: Heat the coal tar pitch to a molten state at a temperature of 150°C, add diatomaceous earth, tallow tetramine and polyoxyethylene lauryl ether into water and mix, add the mixed solution to the tar pitch, stir and mix 30min, cool down to 50°C; step 2, add anthracene oil, sodium lauryl sulfate, strontium phosphosilicate and zinc aluminum phosphate to the mixing system of step 1, stir and mix for 30min;

[0042] Step 3: Stir and mix the bisphenol A type epoxy resin with an epoxy equivalent of 200g / mol and silica sol evenly, then add it to the mixing system in Step 2, after stirring and mixing for 2 hours, add polyamide, and stir and mix for 5 minutes to obtain Waterborne epoxy asphalt anticorrosion coating.

Embodiment 2-6

[0043] Example 2-6: A waterborne epoxy asphalt anticorrosion coating, the difference from Example 1 is that each component and its corresponding parts by weight are shown in Table 1.

[0044] Each component and parts by weight thereof in table 1 embodiment 1-6

[0045]

Embodiment 7

[0046] Embodiment 7: A kind of waterborne epoxy asphalt anticorrosion coating, the difference with embodiment 1 is, step 2, with 25 parts of anthracene oil, 0.05 part of sodium lauryl sulfate, 0.05 part of methyl amyl alcohol, 0.9 part of phosphorus Add strontium silicate and 0.6 parts of zinc aluminum phosphate to the mixing system in step 1, and stir and mix for 30 minutes;

[0047] All the other are identical with embodiment 1.

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Abstract

The invention discloses a waterborne epoxy asphalt anti-corrosive paint and a processing technology thereof, and relates to the technical field of asphalt anti-corrosive paints. The waterborne epoxy asphalt anti-corrosive paint is characterized by being prepared from, by weight, 15-30 parts of water, 30-45 parts of epoxy resin, 25-35 parts of coking coal oil asphalt, 6-9 parts of silica sol, 10-20parts of anthracene oil, 5-10 parts of diatomite, 0.1-3 parts of a dispersing agent, 0.1-3 parts of an emulsifier, 30-40 parts of a curing gent and 1.5-2.5 parts of an anti-rust pigment. The waterborne epoxy asphalt anti-corrosive paint prepared according to the formula has the advantages that the compatibility is good, and a prepared paint film has excellent anti-corrosive performance and excellent mechanical performance.

Description

technical field [0001] The invention relates to the technical field of asphalt anticorrosion coatings, more specifically, it relates to a water-based epoxy asphalt anticorrosion coating and a processing technology thereof. Background technique [0002] With the improvement of environmental protection and energy-saving requirements in today's society, in order to conform to the development trend of the times, epoxy asphalt anti-corrosion coatings are gradually developing from solvent-based to water-based. Water-based epoxy asphalt anti-corrosion coatings use water as the main solvent. Since water-based epoxy resin emulsion is an environmentally friendly material with low volatile organic compound (VOC) content, it has low VOC content, no irritating taste, and no harm to the human body. Easy to use, washable with water, no pollution and many other advantages. [0003] However, since epoxy resin is a strong polar molecule and asphalt is a weak polar molecule, the compatibility...

Claims

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Application Information

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IPC IPC(8): C09D163/00C09D195/00C09D191/00C09D5/08C09D7/61
CPCC08L2205/035C08L2205/08C09D5/084C09D163/00C09D7/61C09D7/70C08L95/00C08L91/00C08L71/02C08K13/04C08K7/26C08K3/32C08K3/36C08K3/34
Inventor 林海
Owner 安徽欣苗新材料科技有限公司
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