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A kind of superhydrophobic superwear-resistant anti-fog coating composition and its application

An anti-fog coating and super wear-resistant technology, applied in the field of coatings, can solve problems such as unstable wear resistance, poor water resistance of anti-fog coating, limited scratch resistance, etc., to improve hydrophobic performance, improve hydrophobicity, The effect of good compatibility

Active Publication Date: 2022-03-15
HANGZHOU INST OF ADVANCED MATERIAL BEIJING UNIV OF CHEM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problems of poor water resistance, limited scratch resistance and unstable long-term wear resistance of existing anti-fog coatings, the present invention discloses a superhydrophobic super wear-resistant anti-fog coating composition and its application. The polymerized monomer in the coating used in this coating is a mixture of silicon-containing acrylate oligomer and silicon-containing acrylate monomer, which has excellent water resistance, light resistance and hydrophobicity; modified glass fiber whiskers are added, The modified glass fiber whiskers can be evenly dispersed in the coating system, which has a long-term wear resistance effect. The prepared coating has higher wear resistance, scratch resistance and hydrophobicity, and has an excellent anti-fog effect

Method used

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  • A kind of superhydrophobic superwear-resistant anti-fog coating composition and its application
  • A kind of superhydrophobic superwear-resistant anti-fog coating composition and its application

Examples

Experimental program
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Effect test

Embodiment 1

[0033] A super-hydrophobic super-abrasion-resistant anti-fog coating composition is formulated by weight from the following raw materials:

[0034] 100 parts of resin-based polymerized monomer, 3 parts of modified glass fiber whiskers, 2 parts of initiator composed of 1-hydroxycyclohexyl phenyl ketone and diaryliodonium salt at a mass ratio of 2:3, leveling agent BYK- 3330.2 parts, defoamer BYK0520.4 parts.

[0035] The resin-based polymerized monomer comprises the following components in parts by weight:

[0036] Silicone acrylate oligomer 70 parts

[0037] Silicon-containing acrylate monomer 30 parts.

[0038] The silicon-containing acrylate oligomer is prepared by the following method: the CN968 urethane acrylate of terminal hydroxypropyl polysiloxane and Sartomer Company is added to the reaction vessel at a molar ratio of -OH and -NCO of 0.8:1, while While stirring, raise the temperature to 50-60°C, add 0.3% of dibutyltin dilaurate and 0.01% of hydroquinone to the total...

Embodiment 2

[0045] A super-hydrophobic super-abrasion-resistant anti-fog coating composition is formulated by weight from the following raw materials:

[0046] 100 parts of resin-based polymerized monomer, 1 part of modified glass fiber whisker, 2-hydroxy-2-methyl-1-phenyl-1-propanone and diaryliodonium salt in a mass ratio of 3:1 1 part of agent, 0.1 part of leveling agent BYK-358N, 0.3 part of defoamer BYK17977.

[0047] The resin-based polymerized monomer comprises the following components in parts by weight:

[0048] Silicone acrylate oligomer 60 parts

[0049] Silicon-containing acrylate monomer 40 parts.

[0050] The silicon-containing acrylate oligomer is prepared by the following method: the CN981 urethane acrylate of terminal hydroxypropyl polysiloxane and Sartomer Company is added to the reaction vessel at a molar ratio of -OH and -NCO of 0.5:1, while While stirring, raise the temperature to 50-60°C, add 0.3% of dibutyltin dilaurate and 0.01% of hydroquinone to the total mass...

Embodiment 3

[0057] A super-hydrophobic super-abrasion-resistant anti-fog coating composition is formulated by weight from the following raw materials:

[0058] An initiator composed of 100 parts of resin-based polymerizable monomer, 3 parts of modified glass fiber whiskers, 2,4,6-trimethylbenzoyldiphenylphosphine oxide and triarylsulfonium salt in a mass ratio of 3:1 3 parts, leveling agent BYK-358N 0.3 parts, defoamer BYK1797 0.5 parts.

[0059] The resin-based polymerized monomer comprises the following components in parts by weight:

[0060] Silicone acrylate oligomer 70 parts

[0061] Silicon-containing acrylate monomer 30 parts.

[0062] The silicon-containing acrylate oligomer is prepared by the following method: the CN996 urethane acrylate of the terminal hydroxypropyl polysiloxane and Sartomer Company is added to the reaction vessel at a molar ratio of -OH and -NCO of 1:1, while While stirring, raise the temperature to 50-60°C, add 0.3% of dibutyltin dilaurate and 0.01% of hydr...

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Abstract

The invention belongs to the technical field of coatings, and in particular relates to a super-hydrophobic super-wear-resistant anti-fog coating composition and its application. The coating composition is prepared from the following raw materials in parts by weight: 100 parts of resin-based polymerized monomers, 1-3 parts of modified glass fiber whiskers, 0.1-1 parts of photoinitiators, 0.1-0.3 parts of leveling agents, 0.3-0.5 part of foaming agent; resin matrix contains 60-80 parts of silicon acrylate oligomer and 20-40 parts of silicon-containing acrylate monomer. The polymerized monomer in the coating of the present invention is a mixture of silicon-containing acrylate oligomer and silicon-containing acrylate monomer, and has excellent water resistance, light resistance and hydrophobicity; modified glass fiber whiskers are added to modify The glass fiber whiskers can be uniformly dispersed in the coating system and play a long-term wear-resisting effect. The prepared coating has higher wear-resisting, scratch-resisting properties and hydrophobicity, and has an excellent anti-fogging effect; the present invention The coating is applied to the surface of glasses, car glass, bathroom mirrors, goggles, swimming goggles.

Description

technical field [0001] The invention belongs to the technical field of coatings, and in particular relates to a superhydrophobic superabrasion-resistant anti-fog coating composition and an application thereof. Background technique [0002] Ultraviolet (UV) curing is an advanced technology for surface treatment of materials that appeared in the 1960s. It is collectively referred to as radiation curing together with electron beam (EB) curing. Photocuring coating is a kind of coating that uses ultraviolet light to decompose the photoinitiator in the coating composition to generate active free radicals or cationic active centers, thereby initiating free radical polymerization or cationic polymerization of monomers and resins, thereby curing the coating. . UV-curable coatings do not contain organic volatiles, are environmentally friendly, have fast curing rates, and high production efficiency. Among many UV-curable coatings, acrylic resins have light color, high transparency, f...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D175/14C09D183/10C09D183/07C09D7/62C08G18/61C08G77/458C08G77/38
CPCC09D175/14C09D183/10C09D7/62C09D7/70C08G18/61C08G77/458C08G77/38C08L2201/08C08L2205/04C08L83/06C08K9/04C08K9/02C08K7/14
Inventor 陈广凯杨小萍蒋秀花陈斌凌马贵平
Owner HANGZHOU INST OF ADVANCED MATERIAL BEIJING UNIV OF CHEM TECH
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