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Method for preparing high-performance fluorine-silicon modified finish-coat paint

A technology of fluorosilicon modification and finishing paint, which is applied to biocide-containing paints, coatings, antifouling/underwater coatings, etc., which can solve the problem of poor performance of weather resistance, color retention, stain and stain resistance additives and complicated preparation process , pollute the environment and other issues, and achieve good dispersion, uniform surface properties, and good film-forming performance

Inactive Publication Date: 2017-12-22
苏州振振好新型建材科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the existing fluorosilicone finish paint, there are still not enough performances such as weather resistance, color retention, water resistance, and stain resistance additives; after painting, the coating film is prone to cracking, whitening, discoloration and other pathological phenomena
Therefore, it is of great significance to study a finish paint with high performance, such as excellent stain resistance additives, water resistance, weather resistance and safety and non-toxicity; and the preparation process of the existing fluorosilicone modified finish paint Complexity, high cost, and the production of harmful substances that pollute the environment, etc.

Method used

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  • Method for preparing high-performance fluorine-silicon modified finish-coat paint
  • Method for preparing high-performance fluorine-silicon modified finish-coat paint
  • Method for preparing high-performance fluorine-silicon modified finish-coat paint

Examples

Experimental program
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Effect test

Embodiment 1

[0038] A preparation method for a high-performance fluorosilicon modified finish paint, comprising the following steps:

[0039] (1) Fluorosilicone modified acrylate preparation: isooctyl methacrylate, acrylic acid, tetrafluoropropyl methacrylate, polyoxyethylene octylphenol ether OP-10, sodium dodecylbenzenesulfonate and After the ionic water is mixed evenly, add dicumyl peroxide, heat up to 80°C, keep warm for 8 minutes, then add disodium ethoxylated alcohol sulfosuccinate and sodium acrylamidomethyl propane sulfonate, mix evenly, cool down to 30°C, Then add ammonia water to adjust the pH of the system to 7, filter and cool to room temperature to obtain material A; add material A and γ-(methacryloyloxy)propyltrimethoxysilane to deionized water, add N,N dimethylethanolamine to adjust The pH of the system was raised to 8, the temperature was raised to 60°C, the material was aged after stirring for 40 minutes to obtain fluorosilicon-modified acrylate;

[0040] (2) Preparation ...

Embodiment 2

[0053] A preparation method for a high-performance fluorosilicon modified finish paint, comprising the following steps:

[0054] (1) Fluorosilicone modified acrylate preparation: isooctyl methacrylate, acrylic acid, tetrafluoropropyl methacrylate, polyoxyethylene octylphenol ether OP-10, sodium dodecylbenzenesulfonate and After the ionic water is mixed evenly, add dicumyl peroxide, heat up to 90°C, keep warm for 12 minutes, then add disodium ethoxylated alcohol sulfosuccinate and sodium acrylamidomethyl propane sulfonate, mix evenly, cool down to 40°C, Then add ammonia water to adjust the pH of the system to 8, filter and cool to room temperature to obtain material A; add material A and γ-(methacryloyloxy)propyltrimethoxysilane to deionized water, add N,N dimethylethanolamine to adjust The pH of the system was raised to 10, the temperature was raised to 70°C, stirred for 80 minutes and aged to obtain fluorosilicon-modified acrylate;

[0055] (2) Preparation of epoxy silane mo...

Embodiment 3

[0068] A preparation method for a high-performance fluorosilicon modified finish paint, comprising the following steps:

[0069] (1) Fluorosilicone modified acrylate preparation: isooctyl methacrylate, acrylic acid, tetrafluoropropyl methacrylate, polyoxyethylene octylphenol ether OP-10, sodium dodecylbenzenesulfonate and After the ionic water is mixed evenly, add dicumyl peroxide, heat up to 85°C, keep warm for 10 minutes, then add disodium ethoxylated alcohol sulfosuccinate and sodium acrylamidomethyl propane sulfonate, mix evenly, cool down to 35°C, Then add ammonia water to adjust the pH of the system to 7.5, filter and cool to room temperature to obtain material A; add material A and γ-(methacryloyloxy)propyltrimethoxysilane to deionized water, add N,N dimethylethanolamine to adjust The pH of the system was raised to 9, and the temperature was raised to 65°C, stirred for 60 minutes and aged to obtain fluorosilicon-modified acrylate;

[0070] (2) Preparation of epoxy sila...

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Abstract

The invention discloses a method for preparing high-performance fluorine-silicon modified finish-coat paint. The method is simple in process, low in manufacturing cost, safe, environment-friendly and suitable for industrial production. Fluorine-silicon modified acrylate serves as a main raw material and is excellent in film-forming property, high in adhesive force and excellent in hydrophobic property; epoxy silane modified silica sol is capable of improving the film surface performance and excellent in dispersity and realizes film surface performance uniformity; due to the addition of graphene oxide, the adhesive force, flexibility, impact resistance, water resistance, salt fog resistance and hardness of the finish-coat paint can be greatly improved; the antibacterial mildew preventive adopts traditional Chinese herbal medicine extract and is safe, environment-friendly, non-toxic and excellent in antibacterial property; the stain-resistant assistant contributes to improving the stain resistance of the finish-coat paint film; and the finish-coat paint disclosed by the invention has the adhesive force reaching the level 2, has a static contact angle of 110-120 degrees between the coating and water, has good flexibility and impact resistance and excellent hydrophobic property, water resistance, salt fog resistance and stain resistance, does not contain any volatile organic compound and is safe, environment-friendly, antibacterial, mildew-proof and long in service life.

Description

technical field [0001] The invention relates to the technical field of a fluorine-silicon modified finish paint, in particular to a preparation method of a high-performance fluorine-silicon modified finish paint. Background technique [0002] Building exterior wall coatings can beautify the environment and the living room, but due to the poor weather resistance and stain resistance additives of traditional coatings, the coating will change color and stain after a short period of time. As urban environmental pollution is intensifying, dust pollution and gas pollution are particularly serious. [0003] Real stone paint, textured paint and water-based colorful paint are now popular and widely used, but each has its own defects. Real stone paint has poor stain resistance, textured paint and water-based colorful paint have poor water and weather resistance. In order to solve this problem, construction A finish coat is required at the end. [0004] Fluorosilicone finishes are ma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/10C09D133/02C09D5/16C09D5/14C08F220/18C08F220/06C08F220/22C08F230/08
CPCC08F220/06C08F220/18C08F220/1808C09D5/14C09D5/1662C09D5/1687C09D133/02C09D133/10C08L1/284C08K13/06C08K9/06C08K9/02C08K3/36C08K5/0058C08F220/22C08F230/08
Inventor 沈远振邢洪瑞龚雪良
Owner 苏州振振好新型建材科技有限公司
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