Chromium-free fingerprint-resistant environment-friendly coating and preparation method thereof

An environmentally friendly paint and fingerprint-resistant technology, applied in the field of paint, can solve problems such as environmental pollution

Inactive Publication Date: 2021-05-04
泗县钧科新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the addition of alum compounds, it will still cause certain pollution to the environment
And the weather resistance, comprehensive performance and performance stability of the formed coating need to be further improved

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0029] In one embodiment of the present invention, the preparation method of the functional film-forming polymer comprises the following steps: benzotriazole-1-carboxythioacid allylamide, N-(4-cyano-3- Add trifluoromethylphenyl) methacrylamide, polyethylene glycol monoallyl ether, glycidyl methacrylate, and initiator to high boiling point solvent, and stir the reaction at 65-75°C in an inert gas atmosphere After 4-6 hours, it is precipitated in acetone, and the precipitated polymer is taken out and dried in a vacuum drying oven at 85-95°C until it reaches a constant weight.

[0030] In one embodiment of the present invention, the benzotriazole-1-carboxythioacid allylamide, N-(4-cyano-3-trifluoromethylphenyl)methacrylamide, polyethylene The mass ratio of glycol monoallyl ether, glycidyl methacrylate, initiator, high boiling point solvent is (0.2-0.4): 1: (3-5): 0.5: (0.05-0.06): (15- 25).

[0031] In one embodiment of the present invention, the initiator is at least one of az...

Embodiment 1

[0045] A chrome-free anti-fingerprint environmental protection coating, which is composed of the following components by weight: 45 parts of hyperbranched poly(urethane-amine) with vinyl group as the terminal group modified by chrysanthemic acid , 10 parts of functional film-forming polymer, 0.5 parts of water-soluble initiator, hydroxyl-terminated hyperbranched nano-hybrid polymer HB-SiO 2 5 parts, 0.3 parts of wetting agent, 0.5 parts of cosolvent, 1 part of defoamer, 30 parts of water; the functional film-forming polymer is benzotriazole-1-carboxythioacid allylamide, N- (4-cyano-3-trifluoromethylphenyl) methacrylamide, polyethylene glycol monoallyl ether, glycidyl methacrylate copolymerization reaction to generate the copolymer; the defoamer is US Kate Company BYK-017; the co-solvent is ethanol; the wetting agent is TEGO wet 270 from Germany EVONIK-degussa company; the water-soluble initiator is azobisisobutylamidine hydrochloride.

[0046] The preparation method of the fu...

Embodiment 2

[0050] A chrome-free anti-fingerprint environmental protection coating, which is composed of the following components by weight: 50 parts of hyperbranched poly(urethane-amine) with vinyl group as the modified end group of chrysanthemum acid , 11 parts of functional film-forming polymer, 0.7 parts of water-soluble initiator, hydroxyl-terminated hyperbranched nano-hybrid polymer HB-SiO 2 6 parts, 0.35 parts of wetting agent, 1 part of cosolvent, 1.2 parts of defoamer, 33 parts of water; The functional film-forming polymer is benzotriazole-1-carboxythioacid allylamide, N- (4-cyano-3-trifluoromethylphenyl) methacrylamide, polyethylene glycol monoallyl ether, glycidyl methacrylate copolymerization reaction to generate the copolymer; the defoamer is The U.S. Kate Company BYK-018; the cosolvent is ethylene glycol; the wetting agent is TEGO wet k1245 of the German EVONIK-degussa company; the water-soluble initiator is azobisisobutylimidazoline hydrochloride.

[0051] The preparation ...

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PUM

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Abstract

The invention discloses a chromium-free fingerprint-resistant environment-friendly coating and a preparation method thereof. The chromium-free fingerprint-resistant environment-friendly coating is prepared from the following components in parts by weight: 45 to 60 parts of Lanbda-cyhalothric acid modified hyperbranched poly (urethane-amine) with a hydroxyl group as an end group and with a vinyl group in an internal branched unit, 10 to 15 parts of a functional film-forming polymer, 0.5 to 1.5 parts of a water-soluble initiator, 5 to 8 parts of a hydroxyl-terminated hyperbranched nano-hybrid polymer HB-SiO2, 0.3 to 0.5 part of a wetting agent, 0 to 4 parts of a cosolvent, 1 to 2 parts of a de-foaming agent and 30 to 40 parts of water, the functional film-forming polymer is a copolymer which is generated by carrying out a copolymerization reaction on benzotriazole-1-carboxythioacid allyl amide, N-(4-cyano-3-trifluoromethylphenyl) methacrylamide, polyethylene glycol monoallyl ether and glycidyl methacrylate. The invention also provides a preparation method of the chromium-free fingerprint-resistant environment-friendly coating. The chromium-free fingerprint-resistant environment-friendly coating provided by the invention is remarkable in fingerprint-resistant effect, good in comprehensive performance and performance stability, good in environmental protection property and corrosion resistance and strong in adhesive force with a base material.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a chromium-free fingerprint-resistant environmental protection coating and a preparation method thereof. Background technique [0002] At present, with the improvement of people's quality of life, products such as automobiles, home appliances, and daily necessities are constantly updated, and higher requirements are put forward for the aesthetics and environmental protection of products. The performance of the steel plate used on the surface of the product directly affects the appearance of the product. Therefore, it is easy to leave clear fingerprints when touching the steel plate in the past. These fingerprints are difficult to remove. During use, they are easy to be scratched and scratches. When used in a humid and dark environment, or when encountering acid or alkali liquids, it will cause corrosion of steel plate products. People have researched and developed anti-fingerpri...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D201/00C09D151/08C09D175/04C09D7/61
CPCC08K2201/011C08L2205/03C09D201/005C09D7/61C08L51/08C08L75/04C08K3/36
Inventor 钱科技季路路
Owner 泗县钧科新材料科技有限公司
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