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Fluorine/silicon-containing silicon paint and preparation method thereof

A coating and polysiloxane technology, applied in the field of fluorine-containing silicon coatings and their preparation, can solve the problems of insufficient mechanical properties and high cost, achieve excellent weather resistance, low solvent resistance and oil resistance, and reduce losses and costs. Effect

Inactive Publication Date: 2018-11-02
赵永锋
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, acrylic coatings have certain defects in specific occasions, such as hardness, anti-pollution, solvent resistance, poor mechanical properties and high cost, which limit its further application.

Method used

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  • Fluorine/silicon-containing silicon paint and preparation method thereof
  • Fluorine/silicon-containing silicon paint and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] The fluorine-containing silicon coating of this embodiment includes the following components in parts by weight: 10 parts of fluorine-containing acrylate monomer, 5 parts of hydroxyethyl methacrylate, 2 parts of butyl methacrylate, 1 part of isooctyl methacrylate, 1 part of methyl methacrylate, 30 parts of vinyltriethoxysilane, 8 parts of polydimethylsiloxane, 20 parts of hydroxyl silicone oil, 0.2 parts of initiator, 40 parts of solvent .

[0032] Wherein, the fluorine-containing acrylate monomer is tetrafluoropropyl methacrylate.

[0033] The solvent is selected from any one of acetone, dimethyl carbonate, ethyl acetate and methyl acetate.

[0034] The initiator is selected from any one of azobisisobutyronitrile, lauroyl peroxide, methyl ethyl ketone peroxide, dibenzoyl peroxide and azobisisoheptanonitrile.

[0035] The preparation method of the fluorine-containing silicon coating of the present embodiment comprises the following steps:

[0036] Under normal temper...

Embodiment 2

[0038] The fluorine-containing silicon coating of this embodiment includes the following components in parts by weight: 20 parts of fluorine-containing acrylate monomer, 5 parts of hydroxyethyl methacrylate, 10 parts of butyl methacrylate, 15 parts of isooctyl methacrylate, 10 parts of methyl methacrylate, 10 parts of vinyltriethoxysilane, 6 parts of polydimethylsiloxane, 2 parts of hydroxyl silicone oil, 0.8 parts of initiator, 40 parts of solvent .

[0039] Wherein, the fluorine-containing acrylate monomer is a mixture of tetrafluoropropyl methacrylate and octafluoropentyl methacrylate with a mass ratio of 1:1.

[0040] The preparation method of the fluorine-containing silicon coating of this embodiment is the same as that of Embodiment 1.

Embodiment 3

[0042] The fluorine-containing silicon coating of this embodiment includes the following components in parts by weight: 55 parts of fluorine-containing acrylate monomer, 5 parts of hydroxyethyl methacrylate, 5 parts of butyl methacrylate, 5 parts of isooctyl methacrylate, 5 parts of methyl methacrylate, 25 parts of vinyltriethoxysilane, 5 parts of polydimethylsiloxane, 10 parts of hydroxyl silicone oil, 0.2 parts of initiator, 60 parts of solvent .

[0043] Wherein, the fluorine-containing acrylate monomer is dodecafluoroheptyl methacrylate.

[0044] The preparation method of the fluorine-containing silicon coating of this embodiment is the same as that of Embodiment 1.

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Abstract

The invention discloses fluorine / silicon-containing silicon paint. The fluorine / silicon-containing silicon pain is prepared from the following components in parts by weight: 10 to 80 parts of fluorine-containing acrylate monomer, 9 to 60 parts of acrylate monomer, 5 to 30 parts of silane coupling agent, 2 to 28 parts of polysiloxane, 0.2 to 1.8 parts of initiator, and 40 to 80 parts of solvent. The organic fluorine and organic silicon are simultaneously used for modifying acrylate resin to obtain the fluorine / silicon-containing polymer which takes silicon oxygen bond as a main chain and fluorine-containing group as a side chain, and while keeping the heat resistance and cold resistance of the organic silicon material, the polymer also has the excellent performance such as weather resistance, aging resistance, solvent resistance, oil resistance and has lower surface energy. The product provided by the invention is suitable for various fields such as spaceflight, ocean, metal base materials, cultural relics, glass, ceramics, electronic products.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a fluorine-containing silicon coating and a preparation method thereof. Background technique [0002] Coating is a material that can be coated on the surface of the object to be protected or decorated by different construction techniques, and can form a continuous film firmly attached to the object to be coated, usually in the form of resin, oil, or emulsion Mainly, add or not add pigments, fillers, add corresponding additives, and use organic solvents or water to prepare viscous liquids. The film formed in this way is commonly called a coating film, also known as a paint film or a coating. [0003] Acrylate-based coatings use acrylic acid or methacrylate as the main monomer. They are widely used as coating matrix materials. They have excellent film-forming properties, light resistance, oil resistance, mechanical stability and adhesion. The source of raw materials is abundant. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D143/04C09D183/04C09D5/16C09D5/25C09D5/08C09D7/20C08F230/08C08F220/22C08F220/20C08F220/18C08F220/14
CPCC08F230/08C08L2201/08C08L2205/025C08L2205/03C09D5/00C09D5/08C09D5/1662C09D5/1675C09D5/18C09D7/20C09D143/04C08L83/04C08F220/22C08F220/20C08F220/1808C08F220/14
Inventor 赵永锋陈鹏庞雪舒宏禹曾路
Owner 赵永锋
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