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Anticorrosion waterproof coating special for light steel and preparation method thereof

A waterproof coating and light steel technology, applied in anti-corrosion coatings, coatings and other directions, can solve the problems of light steel becoming garbage, large market capacity, environmental pollution, etc., and achieve the effect of cost reduction, low cost and environmental pollution reduction.

Inactive Publication Date: 2019-02-19
江照珂
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In recent years, a large number of light steel workshops and houses in the country need to be refurbished. The market capacity is large. Once light steel rusts, it will become garbage. At the same time, it will bring environmental pollution problems and cause immeasurable waste.

Method used

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  • Anticorrosion waterproof coating special for light steel and preparation method thereof
  • Anticorrosion waterproof coating special for light steel and preparation method thereof
  • Anticorrosion waterproof coating special for light steel and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] 0.3 parts of dispersant; 0.1 part of wetting agent; 1 part of ethylene glycol; 0.1 part of bactericide; 0.3 part of defoamer; 40 parts of TS waterproof emulsion; 8 parts of pure acrylic emulsion; 5 parts of silicon-acrylic emulsion; heavy calcium carbonate 35.2 parts; 5 parts of kaolin; 5 parts of titanium dioxide.

[0025] The wetting agent is nonylphenol polyvinyl ether; the dispersing agent is polyacrylate ammonium salt; the bactericide is isothiazolinone.

[0026] Follow the steps below to prepare:

[0027] 1) Sequentially add pure acrylic emulsion, silicone acrylic emulsion, TS waterproof emulsion, fungicide, defoamer, dispersant and wetting agent in mass ratio, stirring speed 200rpm, stirring time 10min;

[0028] 2) Slowly add kaolin, titanium dioxide and heavy calcium carbonate in mass proportions to the mixture in step 1, the stirring speed is 800-1200 rpm, and the stirring time is 20-30 min; after stirring, it can be filled into barrels.

[0029] The particle size of ka...

Embodiment 2

[0031] 0.5 part of dispersant; 0.2 part of wetting agent; 1.1 part of ethylene glycol; 0.2 part of bactericide; 0.2 part of defoamer; 42 parts of TS waterproof emulsion; 5 parts of pure acrylic emulsion; 6 parts of silicon-acrylic emulsion; heavy calcium carbonate 33 parts; 6 parts of kaolin; 6 parts of titanium dioxide.

[0032] The wetting agent is nonylphenol polyvinyl ether; the dispersing agent is polyacrylate sodium salt; the bactericide is a mixture of benzimidazolyl carbamate and dichlorophthalamide.

[0033] Follow the steps below to prepare:

[0034] 1) Add the pure acrylic emulsion, silicone acrylic emulsion, TS waterproof emulsion, bactericide, defoamer, dispersant and wetting agent in the mass ratio in sequence, stirring speed 300rpm, stirring time 20min;

[0035] 2) Slowly add kaolin, titanium dioxide and heavy calcium carbonate in mass proportions to the mixture in step 1, the stirring speed is 800-1200 rpm, and the stirring time is 20-30 min; after stirring, it can be ...

Embodiment 3

[0038] 0.5 part of dispersant; 0.15 part of wetting agent; 1 part of ethylene glycol; 0.2 part of bactericide; 0.2 part of defoamer; 38 parts of TS waterproof emulsion; 5 parts of pure acrylic emulsion; 5 parts of silicon-acrylic emulsion; heavy calcium carbonate 35 parts; 5 parts of kaolin; 10 parts of titanium dioxide.

[0039] The wetting agent is nonylphenol polyvinyl ether, the dispersing agent is Guer gum; the bactericide is 1,2 phenylpropisothiazolin-3-one.

[0040] Follow the steps below to prepare:

[0041] 1) Add the pure acrylic emulsion, silicone acrylic emulsion, TS waterproof emulsion, bactericide, defoamer, dispersant and wetting agent in the mass ratio in sequence, stirring speed 250rpm, stirring time 15min;

[0042] 2) Slowly add kaolin, titanium dioxide and heavy calcium carbonate in mass proportions to the mixture in step 1, the stirring speed is 800-1200 rpm, and the stirring time is 20-30 min; after stirring, it can be filled into barrels.

[0043] The particle siz...

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Abstract

The invention belongs to the technical field of coatings and particularly relates to anticorrosion waterproof coating special for light steel and a preparation method thereof. The anticorrosion waterproof coating special for light steel is made from, by mass, 0.3-0.8 part of a dispersant, 0.1-0.5 part of a wetting agent, 1-2 parts of ethylene glycol, 0.1-0.5 part of a bactericide, 0.1-0.5 part ofa defoaming agent, 30-50 parts of TS waterproof emulsion, 5-10 parts of pure acrylic emulsion, 5-10 parts of silicone acrylic emulsion, 30-50 parts of ground calcium carbonate, 3-8 parts of kaolin, and 5-15 parts of titanium dioxide. The anticorrosion waterproof coating special for light steel has the advantages of zero toxicity, zero odor, zero pollution, high temperature resistance, low temperature resistance, aging resistance, acid and base resistance, good flexibility, low cost and the like. The preparation method provided herein is scientific and reasonable, is simple and provides convenience of construction.

Description

Technical field [0001] The invention belongs to the technical field of coatings, and specifically relates to a special anticorrosive and waterproof coating for light steel and a preparation method. Background technique [0002] The light steel roof is easy to rust and leak. In the early traditional practice, the nail holes were wiped with structural glue and then sprayed with paint to remove rust. Normally, the product will age at most one year. In winter, due to the paint's high hardness and no toughness, thermal expansion and contraction are prone to cracks. Once people walk around, it will be broken when they step on it. Later, latex paint is used, which is neither waterproof nor durable, and no more than three years. , Began to rust and leak from the nail hole. [0003] The development time of light steel materials is only more than ten years, and the service life of light steel materials is about ten years, and rusting begins in 6-7 years of poor quality. In recent years, a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D201/00C09D133/04C09D5/08C09D7/61
CPCC08K2003/2241C08K2003/265C08L2201/08C08L2205/035C09D5/08C09D7/61C09D201/00C08L33/04C08L43/04C08K13/02C08K5/053C08K3/26C08K3/346C08K3/22
Inventor 江照珂
Owner 江照珂
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