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Environment-friendly high-bonding-strength waterborne epoxy coating

A technology of bonding strength and epoxy coatings, applied in the field of coatings, can solve problems such as scrub resistance, shelf life not meeting requirements, cohesive force not meeting requirements, and affecting the appearance of buildings, so as to avoid proteolytic loss and adsorption High-performance, high-concealer effect

Inactive Publication Date: 2016-10-12
ANHUI KAILIN ADVANCED MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] All coatings that use water as a solvent or as a dispersion medium can be called water-based coatings. Most of the water-based coatings used on the market use resin as a base material and are synthesized from various pigments, fillers and additives. The main disadvantages of current water-based coatings are: The mechanical properties are poor, the adhesion cannot meet the requirements, and the scrub resistance and shelf life cannot meet the requirements, resulting in cracking and falling off of the wall surface, which not only affects the appearance of the building, but also cracks the wall surface, resulting in water leakage on the wall surface

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] An environmentally friendly high-strength water-based epoxy coating, including component A and component B, and the weight ratio of component A to component B is 1:0.7;

[0019] The raw materials of component A include by weight: 30 parts of epoxy resin E-51, 15 parts of modified TiO2, 2 parts of glass microspheres, 7 parts of graphene, 2 parts of bentonite, 8 parts of activated carbon, 0.5 part of polysorbate, 1.2 parts of dispersant, 0.5 parts of defoamer, 1.5 parts of thickener, 0.5 parts of water-based color paste;

[0020] The raw materials of component B include by weight: 60 parts of m-xylylenediamine and 35 parts of deionized water.

Embodiment 2

[0022] An environmentally friendly high-strength water-based epoxy coating, including component A and component B, and the weight ratio of component A to component B is 1:0.5;

[0023] The raw materials of component A include by weight: 70 parts of epoxy resin E-51, 5 parts of modified TiO2, 6 parts of glass microspheres, 1 part of graphene, 7 parts of bentonite, 2 parts of activated carbon, 1.2 parts of polysorbate, 0.5 parts of dispersant, 1.5 parts of defoamer, 0.5 parts of thickener, 1.5 parts of water-based color paste;

[0024] The raw materials of component B include by weight: 30 parts of m-xylylenediamine and 45 parts of deionized water.

Embodiment 3

[0026] An environmentally friendly water-based epoxy coating with high bonding strength, including component A and component B, and the weight ratio of component A to component B is 1:0.55;

[0027] The raw materials of component A include by weight: 50 parts of epoxy resin E-51, 8 parts of modified TiO2, 5 parts of glass microspheres, 2 parts of graphene, 6 parts of bentonite, 5 parts of activated carbon, 1 part of polysorbate, 0.8 part of dispersant, 1 part of defoamer, 0.8 part of thickener, 1 part of water-based color paste;

[0028] The raw materials of component B include by weight: 50 parts of m-xylylenediamine and 42 parts of deionized water.

[0029] Modified TiO2 is prepared by the following process: grind 8-parts of opal powder, 6 parts of crystalline TiO2, 0.5 parts of sodium polyacrylate, and 28 parts of water in parts by weight until the particle size is 20-40 μm, filter, and send the obtained solids into Dry in an oven at 115°C and pulverize to obtain the first...

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PUM

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Abstract

The invention discloses an environment-friendly high-strength water-based epoxy coating, which comprises component A and component B, and the weight ratio of component A to component B is 1:0.5-0.7; the raw materials of component A are by weight Parts include: 30-70 parts of epoxy resin E-51, 5-15 parts of modified TiO2, 2-6 parts of glass microspheres, 1-7 parts of graphene, 2-7 parts of bentonite, 2-8 parts of activated carbon, poly 0.5-1.2 parts of sorbate, 0.5-1.2 parts of dispersant, 0.5-1.5 parts of defoamer, 0.5-1.5 parts of thickener, 0.5-1.5 parts of water-based color paste; the raw materials of component B include: m-benzene 30-60 parts of dimethylamine, 35-45 parts of deionized water. The invention has excellent mechanical properties, strong cohesive force, excellent scrubability, long shelf life, and is environmentally friendly and does not pollute the environment.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to an environmentally friendly water-based epoxy coating with high bonding strength. Background technique [0002] All coatings that use water as a solvent or as a dispersion medium can be called water-based coatings. Most of the water-based coatings used on the market use resin as a base material and are synthesized from various pigments, fillers and additives. The main disadvantages of current water-based coatings are: The mechanical properties are poor, the adhesion cannot meet the requirements, and the scrub resistance and shelf life cannot meet the requirements, resulting in cracking and falling off of the wall surface, which not only affects the appearance of the building, but also cracks the wall surface, resulting in water leakage on the wall surface. Contents of the invention [0003] The invention provides an environmentally friendly water-based epoxy coating with high ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/02C09D7/12
CPCC09D163/00C08L2201/06C08L2201/08C08L2205/025C08L2205/035C08L2205/16C09D7/61C09D7/62C09D7/70C08L89/00C08L97/02C08K13/06C08K9/04C08K2003/2241C08K3/36C08K7/20C08K3/04
Inventor 王和山
Owner ANHUI KAILIN ADVANCED MATERIAL CO LTD
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