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A kind of coating for epoxy modified alkyd resin copper

A technology of alkyd resin and epoxy modification, which is applied in the field of coatings and can solve problems such as resistance to salt spray, slow drying, and low temperature resistance

Active Publication Date: 2016-04-20
江苏鑫美特金属科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] This application provides an epoxy-modified alkyd resin coating for copper to solve the technical problems of existing copper coatings such as low temperature resistance, slow drying, and salt spray resistance.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] An epoxy-modified alkyd resin coating for copper, the composition of which is expressed in parts by mass: 100 parts of epoxy-modified alkyd resin; 20 parts of iron oxide red; 40 parts of hydroxyl acrylic resin; 1 part of organic bentonite 2 parts of naphthyl-p-phenylenediamine; 5 parts of xylene; 1 part of polyisocyanate; 5 parts of titanium dioxide; 10 parts of carbon black; 2 parts of dichromium trioxide; 20 parts of tetraethylthiuram disulfide; 30 parts of ethanol; 10 parts of sodium petroleum sulfonate.

[0014] The product is resistant to low temperature of -40°C, salt spray resistance is more than 700h; surface dry for 0.5h, hard dry for 10h.

Embodiment 2

[0016] An epoxy-modified alkyd resin coating for copper, the composition of which is expressed in parts by mass: 100 parts of epoxy-modified alkyd resin; 25 parts of iron oxide red; 40-50 parts of hydroxyl acrylic resin; organic bentonite 1-5 parts; 2-8 parts of naphthyl-p-phenylenediamine; 5-8 parts of xylene; 1-6 parts of polyisocyanate; 5-8 parts of titanium dioxide; 10-20 parts of carbon black; chromium trioxide 2-10 parts; 20-25 parts of tetraethylthiuram disulfide; 30-40 parts of ethanol; 10-15 parts of sodium petroleum sulfonate.

[0017] The product is resistant to low temperature of -40°C, and resistant to salt spray for more than 720 hours; surface dry for 0.4 hours, hard dry for 9 hours.

Embodiment 3

[0019] An epoxy-modified alkyd resin coating for copper, characterized in that: its composition expressed in parts by mass is: 100 parts of epoxy-modified alkyd resin; 22.5 parts of iron oxide red; 45 parts of hydroxyacrylic resin; 3 parts of organic bentonite; 5 parts of naphthyl p-phenylenediamine; 7 parts of xylene; 3 parts of polyisocyanate; 6 parts of titanium dioxide; 15 parts of carbon black; 6 parts of chromium trioxide; 22.5 parts of sodium; 35 parts of ethanol; 12 parts of sodium petroleum sulfonate.

[0020] The product is resistant to low temperature of -40℃, and salt spray resistance is more than 750h; surface dry for 0.3h, hard dry for 8h.

[0021] All components in the above examples are commercially available.

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PUM

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Abstract

An epoxy-modified alkyd resin coating for copper, the composition of which is expressed in parts by mass: 100 parts of epoxy-modified alkyd resin; 20-25 parts of iron oxide red; 40-50 parts of hydroxyacrylic resin; 1-5 parts of anti-settling agent; 2-8 parts of naphthyl p-phenylenediamine; 5-8 parts of xylene; 1-6 parts of polyisocyanate; 5-8 parts of titanium dioxide; 10-20 parts of carbon black; 2-10 parts of chromium oxide; 20-25 parts of tetraethylthiuram disulfide; 30-40 parts of ethanol; 10-15 parts of sodium petroleum sulfonate; the product is resistant to low temperature of -40°C and salt spray for more than 700h; water resistant , Abrasion resistance, moisture resistance, exposure resistance and acid and alkali resistance; surface dry 0.3-0.5h, hard dry 8-10h; product is flame retardant, environmental protection, energy saving, can be widely produced and continuously replace existing materials.

Description

technical field [0001] The application belongs to the field of coatings, in particular to an epoxy-modified alkyd resin coating for copper. Background technique [0002] Epoxy modified alkyd resin with excellent weatherability and chemical resistance. It is a resin for room temperature drying paint or low temperature baking drying paint that is easily soluble in solvents. It is obtained by co-condensing polyhydric alcohols such as glycerin and maleic anhydride after the reaction of epoxy resin and fatty acid. It is mainly used as a resin for coatings of machinery and industrial facilities. In addition to the application of coatings on fire prevention, anti-virus, insect-proof, insect-killing, heat insulation and other low-quality functional coatings, intensify efforts and conduct scientific research, research and solve difficult and new problems in architectural decoration should also be stepped up . Composite technology will be an effective way to improve and satisfy var...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D167/00C09D133/00C09D7/12
Inventor 王惠张松岩钱忆张陈新燕
Owner 江苏鑫美特金属科技有限公司