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High adhesion, abrasion resistant and anti-corrosive epoxy resin coating

A technology of epoxy resin coating and high adhesion, which is applied in the direction of epoxy resin coating, anti-corrosion coating, polyester coating, etc. It can solve the problems of poor wear resistance and low adhesion, so as to improve adhesion and water absorption The effect of low and high film density

Inactive Publication Date: 2015-08-26
TONGCHENG XINFENG COLOR PRINTING PACKAGING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Epoxy resin coatings are widely used in industries, vehicles, construction machinery and other fields because of their fast curing speed and good leveling properties. In industrial production, the modification method is often used to enhance the impact resistance and toughness of epoxy resins. However, even the coating made of modified epoxy resin has the disadvantages of low adhesion and poor wear resistance. At the same time, this coating must have a good anti-corrosion function during use. In order to avoid the consequences of coating failure and metal substrate collapse due to corrosion of the metal substrate coated with the coating, how to enhance the corrosion resistance of the epoxy resin coating while enhancing its adhesion and wear resistance has become a current a hot spot of research

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] A kind of high-adhesion wear-resistant anti-corrosion epoxy resin coating that the present invention proposes, its raw material comprises by weight: composite polybenzoxazine material 55 parts, epoxy resin 37 parts, glycerol alkyd resin 25 parts, talcum powder 5 parts, 5 parts of organic bentonite, 9 parts of nano titanium dioxide, 12 parts of mica powder, 1.8 parts of titanate coupling agent, 1.9 parts of curing agent, 1 part of defoamer, 3.6 parts of toughening agent, 1 part of leveling agent, anti 1.2 parts of mildew agent, 2.2 parts of pigment, and 70 parts of solvent; wherein, the solvent is made by mixing acetone and polyglycerol in a weight ratio of 6.5:5.

[0015] During the preparation of the composite polybenzoxazine material, 23 parts of tea polyphenols, 12 parts of formaldehyde, and 14 parts of triethylenetetramine were added to the first reaction vessel in parts by weight, and the temperature of the first reaction vessel was raised to 122°C. After 23 minute...

Embodiment 2

[0017] A kind of high-adhesion wear-resistant and anti-corrosion epoxy resin coating that the present invention proposes, its raw material comprises by weight: composite polybenzoxazine material 52 parts, epoxy resin 40 parts, glycerol alkyd resin 22 parts, talcum powder 8 parts, 4 parts of organic bentonite, 12 parts of nano titanium dioxide, 9 parts of mica powder, 2.2 parts of titanate coupling agent, 1.6 parts of curing agent, 1.3 parts of defoaming agent, 3.2 parts of toughening agent, 1.4 parts of leveling agent, anti 0.8 parts of mold agent, 2.5 parts of pigment, and 65 parts of solvent; wherein, the solvent is made by mixing acetone and polyglycerol in a weight ratio of 7.2:3.

[0018]During the preparation of the composite polybenzoxazine material, 20 parts of tea polyphenols, 15 parts of formaldehyde, and 11 parts of triethylenetetramine were added to the first reaction vessel in parts by weight, and the temperature of the first reaction vessel was raised to 125°C. A...

Embodiment 3

[0020] A kind of high-adhesion wear-resistant and anti-corrosion epoxy resin coating that the present invention proposes, its raw material comprises by weight: composite polybenzoxazine material 54 parts, epoxy resin 38 parts, glycerol alkyd resin 24 parts, talcum powder 6 parts, 4.8 parts of organic bentonite, 10 parts of nano titanium dioxide, 11 parts of mica powder, 1.9 parts of titanate coupling agent, 1.8 parts of curing agent, 1.1 parts of defoamer, 3.5 parts of toughening agent, 1.2 parts of leveling agent, anti 1.1 parts of mildew agent, 2.3 parts of pigment, and 67 parts of solvent; wherein, the solvent is made by mixing acetone and polyglycerol in a weight ratio of 6.5:5.

[0021] During the preparation of the composite polybenzoxazine material, 22 parts of tea polyphenols, 13 parts of formaldehyde, and 13 parts of triethylenetetramine were added to the first reaction vessel in parts by weight, and the temperature of the first reaction vessel was raised to 123°C. Af...

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PUM

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Abstract

The invention discloses high adhesion, abrasion resistant and anti-corrosive epoxy resin coating. The high adhesion, abrasion resistant and anti-corrosive epoxy resin coating comprises raw materials of, by weight, 52 to 55 parts of composite polybenzoxazine materials, 37 to 40 parts of epoxy resin, 22 to 25 parts of glycerin alkyd resin, 5 to 8 parts of talcum powder, 4 to 5 parts of organic bentonite, 9 to 12 parts of nano titanium dioxide, 9 to 12 parts of mica powder, 1.8 to 2.2 parts of titanate coupling agent, 1.6 to 1.9 parts of curing agent, 1 to 1.3 parts of defoaming agent, 3.2 to 3.6 parts of toughening agent, 1 to 1.4 parts of smoothing agent, 0.8 to 1.2 parts of mould inhibitor, 2.2 to 2.5 parts of pigment and 65 to 70 parts of solvent.

Description

technical field [0001] The invention relates to the technical field of epoxy resin coatings, in particular to a high-adhesion wear-resistant and anti-corrosion epoxy resin coating. Background technique [0002] Epoxy resin coatings are widely used in industry, transportation, construction machinery and other fields because of their fast curing speed and good leveling properties. In industrial production, modification methods are often used to enhance the impact resistance and toughness of epoxy resins. However, even the coating made of modified epoxy resin has the disadvantages of low adhesion and poor wear resistance. At the same time, this coating must have a good anti-corrosion function during use. In order to avoid the consequences of coating failure and metal substrate collapse due to corrosion of the metal substrate coated with the coating, how to enhance the adhesion and wear resistance of epoxy resin coatings while enhancing its anti-corrosion performance has become ...

Claims

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Application Information

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IPC IPC(8): C09D163/00C09D167/08C09D179/04C09D7/12C09D5/08C08L79/04C08L83/04C08K3/04C08K3/36
Inventor 金钧
Owner TONGCHENG XINFENG COLOR PRINTING PACKAGING
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