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A kind of anti-graffiti surface treatment liquid and preparation method thereof

A surface treatment liquid and anti-graffiti technology, applied in antifouling/underwater coatings, coatings, polyurea/polyurethane coatings, etc., can solve problems such as difficult cleaning, single surface feel, low production efficiency, etc., and achieve good weather resistance and durability, shortening of operation time, and improvement of production efficiency

Active Publication Date: 2022-02-22
ANHUI TIANAN NEW MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] For automotive interiors and other occasions, due to long-term contact with clothing, luggage and other materials, it is easy to stain, especially after dyeing light-colored interiors, the quality of the interior products will seriously decline, affecting the quality experience of the car; graffiti or dyeing Afterwards, it is more difficult to clean, and the use of general cleaning methods is easy to cause damage to the interior material itself
[0004] At present, the existing anti-graffiti uses solvent-based surface coating agents to finish the surface, which is easy to generate a large amount of solvent emissions, and the surface has a single feel and high gloss. The existing anti-graffiti is mainly treated on PU substrates, and the scope of application is relatively large. Small
[0005] Solvent-based surface coating agents produce a large amount of solvent during production, which does not meet today's environmental protection requirements. In addition, due to the volatilization of solvents at high temperatures during production, production is prone to fire
At the same time, solvent-based surface coating agents also need high-temperature crosslinking during the production process, resulting in low production efficiency

Method used

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  • A kind of anti-graffiti surface treatment liquid and preparation method thereof
  • A kind of anti-graffiti surface treatment liquid and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] An anti-graffiti surface treatment liquid is prepared from the following components in parts by weight: 5 parts of polytetrafluoroethylene, 80 parts of water-based aliphatic polyurethane, 15 parts of water-based styrene-acrylic emulsion, and 15 parts of water-based chlorinated vinegar emulsion , 1 part of silane coupling agent, 5 parts of carbodiimide, 1 part of leveling agent, 1 part of defoamer, 1 part of thickener and 5 parts of polymethylmethacrylate urea resin.

[0036] The method for preparing the anti-graffiti surface treatment liquid comprises the following steps:

[0037] 1) The polytetrafluoroethylene powder is cleaned by vacuum plasma; the wetting angle after vacuum plasma treatment is 15.5°-25°;

[0038] 2) Mix the polytetrafluoroethylene powder treated in step 1) with a silane coupling agent, heat to 60°C, and react for 4 hours;

[0039] 3) adding water-based aliphatic polyurethane, water-based styrene-acrylic emulsion and water-based chloro-vinyl acetate ...

Embodiment 2

[0043] An anti-graffiti surface treatment liquid is prepared from the following components in parts by weight: 10 parts of polytetrafluoroethylene, 100 parts of water-based aliphatic polyurethane, 20 parts of water-based styrene-acrylic emulsion, and 20 parts of water-based chloro-vinyl acetate emulsion , 1.2 parts of silane coupling agent, 6 parts of carbodiimide, 1.2 parts of leveling agent, 1.2 parts of defoamer, 1.2 parts of thickener and 5 parts of polymethylmethacrylate urea resin.

[0044] The method for preparing the anti-graffiti surface treatment liquid comprises the following steps:

[0045] 1) The polytetrafluoroethylene powder is cleaned by vacuum plasma; the wetting angle after vacuum plasma treatment is 15.5°-25°;

[0046] 2) Mix the polytetrafluoroethylene powder treated in step 1) with a silane coupling agent, heat to 80°C, and react for 2 hours;

[0047] 3) adding water-based aliphatic polyurethane, water-based styrene-acrylic emulsion and water-based chloro...

Embodiment 3

[0051] An anti-graffiti surface treatment liquid is prepared from the following components in parts by weight: 15 parts of polytetrafluoroethylene, 120 parts of water-based aliphatic polyurethane, 25 parts of water-based styrene-acrylic emulsion, and 25 parts of water-based chlorinated vinegar emulsion , 1.5 parts of silane coupling agent, 6 parts of carbodiimide, 1.5 parts of leveling agent, 1.5 parts of defoamer, 1.5 parts of thickener and 5 parts of polymethyl methacrylate urea resin.

[0052] The method for preparing the anti-graffiti surface treatment liquid comprises the following steps:

[0053] 1) The polytetrafluoroethylene powder is cleaned by vacuum plasma; the wetting angle after vacuum plasma treatment is 15.5°-25°;

[0054] 2) Mix the polytetrafluoroethylene powder treated in step 1) with a silane coupling agent, heat to 100°C, and react for 0.5h;

[0055] 3) adding water-based aliphatic polyurethane, water-based styrene-acrylic emulsion and water-based chloro-v...

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Abstract

The invention discloses an anti-graffiti surface treatment solution. The treatment solution can effectively form a surface with a small surface tension and A treatment coating that is easy to remove stains. At the same time, the treatment coating has excellent wear resistance and durability, which can effectively improve the stain resistance and durability of substrates including automotive decoration materials.

Description

technical field [0001] The invention relates to the technical field of surface treatment agents, in particular to an anti-graffiti surface treatment liquid and a preparation method thereof. Background technique [0002] Anti-graffiti paint is a kind of paint with special surface function, the surface has low surface tension, the lotus leaf-shaped surface has a self-cleaning effect, the dirt rolls off naturally, and it will easily fall off after the sticker is attached. [0003] For car interiors and other occasions, due to long-term contact with clothing, luggage and other materials, it is easy to dye, especially after light-colored interiors are dyed, resulting in a serious decline in the quality of interior products, affecting the quality experience of the car; graffiti or dyeing After cleaning, it is difficult to clean, and it is easy to cause damage to the interior material itself by using general cleaning methods. [0004] At present, the existing anti-graffiti uses a ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D175/04C09D127/18C09D125/14C09D127/06C09D5/16C09D7/63C09D7/65
CPCC09D175/04C09D5/1687C08L2205/035
Inventor 吴启超黎华强徐芳高展扬沈永祺李晚霞周子潇
Owner ANHUI TIANAN NEW MATERIAL CO LTD
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