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Hydrophobic UV (ultraviolet) curing paint

A technology of ultraviolet light and curing paint, which is applied in coatings, epoxy resin coatings, polyester coatings, etc., can solve the problems of poor physical and mechanical properties of microporous films, stability of polar material surface adhesion, and harsh implementation conditions And other issues

Inactive Publication Date: 2014-03-26
SHENZHEN XINYUANDA CHEM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these methods involve complex chemical substances and crystal growth, the implementation conditions are relatively harsh, the production cycle is long, and the cost is high, so it cannot be industrialized.
[0003] At present, the most successful commercial applications in the field of material surface hydrophobicity are superhydrophobic coatings and microporous films. Poor strength, easy to fall off during use; and microporous film due to its poor physical and mechanical properties, coupled with the stability of its adhesion to the surface of polar materials, the service life is also limited

Method used

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  • Hydrophobic UV (ultraviolet) curing paint
  • Hydrophobic UV (ultraviolet) curing paint

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Preparation of silane modified resin:

[0034] Add 42% bisphenol A epoxy acrylate and 55% difunctional polyester acrylate into a closed container with reflux condenser and stirrer, then raise the temperature of the system to 55°C, add 3% silane coupling agent, Stir and reflux for 10 h to obtain the silane-modified resin. The hydroxyl value of the difunctional polyester acrylate is 70-100 mgKOH / g.

[0035] A kind of hydrophobic UV-curable paint, by weight percentage:

[0036] Silane modified resin 43%; Isobornyl methacrylate 8%; Alkoxylated phenol acrylate 8%; 3,3,5-trimethylcyclohexane methacrylate 8%; 184 1%; TPO 1% ; Acetone 29%; BYK354 1%; BYK141 1%.

Embodiment 2

[0038] Preparation of silane modified resin:

[0039] Add 45% bisphenol A epoxy acrylate and 50% difunctional polyester acrylate into a closed container with reflux condenser and agitator, then raise the temperature of the system to 60°C, add 5% silane coupling agent, Stir and reflux for 8 hours to obtain the silane-modified resin. The hydroxyl value of the difunctional polyester acrylate is 70-100 mgKOH / g.

[0040] A kind of hydrophobic UV-curable paint, by weight percentage:

[0041] Silane modified resin 28%; Isobornyl methacrylate 9%; Alkoxylated phenol acrylate 8%; 3,3,5-trimethylcyclohexane methacrylate 10%; 184 0.5%; TPO 1.5% ; Butyl acetate 40%; BYK354 1%; BYK141 1%.

Embodiment 3

[0043] Preparation of silane modified resin:

[0044] Add 54% bisphenol A epoxy acrylate and 39% difunctional polyester acrylate into a closed container with reflux condenser and agitator, then raise the temperature of the system to 65°C, add 7% silane coupling agent, Stir and reflux for 5.5 hours to obtain the silane-modified resin. The hydroxyl value of the difunctional polyester acrylate is 70-100 mgKOH / g.

[0045] A kind of hydrophobic UV-curable paint, by weight percentage:

[0046] Silane modified resin 50%; Isobornyl methacrylate 6%; Alkoxylated phenol acrylate 8%; 3,3,5-trimethylcyclohexane methacrylate 5%; 184 1%; TPO 1% ; Butanol 27%; BYK354 1%; BYK141 1%.

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Abstract

The invention relates to the field of paint, particularly to hydrophobic UV (ultraviolet) curing paint. The hydrophobic UV curing paint comprises the components in percentage by weight as follows: 20%-60% of silane modified resin, 15%-40% of monomers, 2%-4% of a photoinitiator, 20%-50% of a diluent and 0.5%-2% of a functional additive; the silane modified resin comprises the components in percentage by weight as follows: 40%-60% of bisphenol A epoxy acrylate, 35%-55% of bi-functional polyester acrylate and 1%-7% of a silane coupling agent. According to the hydrophobic UV curing paint, the silane modified resin is adopted, so that a paint film can have a hydrophobic property; the monomers with single functional groups are adopted, so that the compatibility of the resin and the monomers can be further improved, and the whole paint film has better iquidity, flexibility and adhesive force.

Description

technical field [0001] The invention relates to the field of coatings, in particular to a hydrophobic ultraviolet light curing paint. Background technique [0002] Due to the unique surface properties of hydrophobic and superhydrophobic surfaces, they have potential applications in self-cleaning surfaces, microfluidic systems, and biocompatibility, and have broad application prospects in national defense, daily life, and many industrial fields. become a research hotspot. It is recognized that the hydrophobic properties of hydrophobic and superhydrophobic surfaces are controlled by the chemical composition and structure of the material surface. At present, there are many studies on the hydrophobicity of the surface of solid materials. The commonly used methods include surface grafting, etching, sol-gel method, electrospinning method, chemical vapor deposition method, anodic oxidation method, phase separation method and template method. However, these methods involve complex...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/10C09D167/07C09D7/12C09D5/00
Inventor 段晶晶
Owner SHENZHEN XINYUANDA CHEM CO LTD
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