Nano composite aqueous epoxide resin coating material and preparation method

A water-based epoxy resin and nano-composite technology, applied in epoxy resin coatings, coatings, etc., can solve the problems of high price, environmental pollution, and urgent water-based epoxy resin.

Inactive Publication Date: 2006-05-03
CHANGJIANG RIVER SCI RES INST CHANGJIANG WATER RESOURCES COMMISSION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the non-water-soluble characteristics of commonly used epoxy resins determine that organic solvents must be used in its application process.
This coating is not only expensive, but also causes environmental pollution
With the further improvement of

Method used

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  • Nano composite aqueous epoxide resin coating material and preparation method
  • Nano composite aqueous epoxide resin coating material and preparation method
  • Nano composite aqueous epoxide resin coating material and preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0089] Nanocomposite water-based epoxy resin coating material, which is composed of epoxy components and water-based amine curing agent components. The epoxy components include: epoxy resin, reactive diluent, nano-silica particles, and silane coupling agent; The components of water-based amine curing agent include: water-based amine curing agent, wetting and dispersing agent, defoamer, pigment, filler, film-forming aid, thickener, and water.

[0090] Through a large number of tests, the percentage by weight (wt %) of each component of the optimum formula of coating of the present invention is: epoxy resin EPON  828 is 18.5%, active diluent is 1.9%, nano-silica is 0.5%, the amount of γ-glycidyl etheroxypropyl trimethoxysilane is 4%-6% of the amount of nano-silica particles, EPI- CURE 8535-W-50 is 9.0%, wetting and dispersing agent SURFYNOL  SE-F is 0.7%, defoamer SURFYNOL DF75 is 0.5%, thickener Detron  VT-819 (1% solution) is 1.0%, rutile titanium dioxide is 1-5%, heavy c...

Embodiment 2

[0098] The weight percent (wt%) of each component of coating of the present invention is: epoxy resin is 20%, tert-butylphenyl glycidyl ether is 3%, nano silicon dioxide is 3%, γ-glycidyl ether oxypropyl methyl The amount of diethoxysilane is 4%-6% of the amount of nano-silica particles, EPI-CURE 8535-W-50 is 10%, wetting and dispersing agent SURFYNOL  SE-F is 0.5%, defoamer SURFYNOL DF75 is 0.3%, thickener Detron  VT-819 (1% solution) is 0.8%, rutile titanium dioxide is 4%, heavy calcium is 15%, mica powder is 10%, barium sulfate is 16%, film-forming aid is 1.0%, and the rest is water.

[0099] The preparation method is the same as Example 1.

Embodiment 3

[0101] The weight percent (wt%) of each component of coating of the present invention is: epoxy resin is 30%, tert-butylphenyl glycidyl ether is 1%, nano silicon dioxide is 2%, propylene oxide butyl ether or benzene The amount of glycidyl ether is 4%-6% of the amount of nano-silica particles, EPI-CURE 8535-W-50 is 12%, wetting and dispersing agent SURFYNOL SE-F is 0.3%, defoamer SURFYNOL DF75 is 0.8%, thickener Detron  VT-819 (1% solution) is 0.3%, rutile titanium dioxide is 1%, heavy calcium is 10%, mica powder is 5%, barium sulfate is 25%, film-forming aid is 1.6%, and the rest is water.

[0102] The preparation method is the same as Example 1.

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Abstract

The nano composite water-base epoxy resin coating material comprises: epoxy constituent composed of epoxy resin, active diluent, nano SiO2 particle, and silane coupling agent; and water-base amic curing agent constituent composed of water-base amic curing agent, wet dispersant, defamer, paint, filler, film-forming adjuvant, thickener, and water. This invention also discloses opposite preparation method, improves greatly product properties, and has no pollution.

Description

technical field [0001] The invention relates to a concrete coating material (paint), more specifically it is a nanocomposite waterborne epoxy resin coating material, and the invention also relates to a preparation method of the nanocomposite waterborne epoxy resin coating material. Background technique [0002] Paint is closely related to human life, but it also pollutes the environment while greatly enriching and beautifying our life. Therefore, various environmentally friendly coatings such as water-based coatings have emerged as the times require, and are increasingly favored by people and recognized by the market. Water-based coatings are considered to be the ultimate destination of coatings. Epoxy resins have the advantages of high adhesion, chemical resistance, good solvent resistance, high hardness, and good thermal stability, and are widely used as film-forming polymers for coatings. However, the water-insoluble feature of commonly used epoxy resins determines that ...

Claims

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Application Information

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IPC IPC(8): C09D163/00
Inventor 李珍魏涛汪在芹夏正斌蔡胜华王燕张杰
Owner CHANGJIANG RIVER SCI RES INST CHANGJIANG WATER RESOURCES COMMISSION
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