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Fluorinated and siliceous copolymer resin and paint

A copolymer and resin technology, applied in the direction of coating, can solve the problems of high pressure, inconvenient use, difficult operation, etc., and achieve the effect of good adhesion, good chemical resistance, and improved aging performance

Inactive Publication Date: 2003-07-30
王存孝
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The synthesis of this type of copolymer for coatings requires high pressure and is difficult to operate, and this type of coating is packaged with two components, which is inconvenient to use.

Method used

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  • Fluorinated and siliceous copolymer resin and paint

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0033] The following examples illustrate the present invention, but do not limit Examples 1-5 of the present invention. (1) Equipment and polymerization process used in Examples 1-5

[0034] In a reactor equipped with a stirrer, a reflux condenser, a dropping funnel, a thermometer and a heating jacket on the outer wall, add the mixed solvent shown in Table 1 and stir and raise the temperature to 80-90℃, according to the components listed in Table 1. The added amount is dripped into the reaction kettle for 2-3h. After the addition, the stirring is continued and the temperature is kept for 4-8h. After the reaction is completed, the temperature is cooled and the material is discharged. (2) Example 1-5 Addition amount of each component Addition amount of each component Table 1

[0035]

[0036] Performance

[0037] Note: ○ means no change, △ means slight change.

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Abstract

The present invention relates to fluorine and silicon containing copolymer resin and paint. The composition includes fluorinated compound in 1-30 wt%, silane 2-8 wt% and alkenyl containing compound 62-97 wt%. The fluorinated compound is acrylic fluoro resin obtained through the reaction of fluorinated alcohol and acryloyl chloride or acrylic anhydride; the silane is one containing alkenyl group or containing carbon functional group with oxygen atom; and the alkenyl containing compound methacrylic acid, methacrylate, vinyl carboxylate and alkenyl containing benzene compound. The present invention has the advantages of fluorinated acrylic acid copolymer and silicon containing acrylate copolymer paint and the paint is excellent single component paint.

Description

Technical field: [0001] The invention relates to a coating, in particular to a fluorine-containing and silicon copolymer resin and coating. Background technique: [0002] The rapid development of acrylic polymer coatings is due to its excellent comprehensive properties, such as its durability, transparency, stability, gloss retention, and color retention. It is also due to the fact that it can be adjusted to obtain different hardness and flexibility through formulation adjustments. However, the shortcomings are outdoor weather resistance, water washing resistance and mechanical properties. There are two ways to improve: one is to introduce a certain amount of organosilicon functional groups in the synthesis of acrylic resin to make acrylic organic Silicon oligomer coatings, which make the resin side chains or ends have higher dissociation energy Si-O bonds, improve the resin's stability to light and heat, and anti-ultraviolet performance. Coatings made of acrylic silicone copolym...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/06
Inventor 王存孝王升王宝龙
Owner 王存孝
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