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Preparation method and application of water-soluble fluorine-containing acrylic resin

An acrylic resin, water-soluble fluorine-containing technology, applied in coatings and other directions, can solve the problem of high price, and achieve the effect of high utilization rate of raw materials, good chemical resistance and high cost performance.

Active Publication Date: 2012-08-01
GUANGDONG YINYANG ENVIRONMENT FRIENDLY NEW MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the salt spray resistance, aging resistance, acid and alkali resistance of traditional water-soluble acrylic resins are far inferior to those of fluorocarbon resins, and the prices of products with excellent performance are relatively high.

Method used

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  • Preparation method and application of water-soluble fluorine-containing acrylic resin

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] For the specific formula, see formula 1 in Table 1, and the operation steps are as follows.

[0033] According to formula 1, first add 30 parts of diethylene glycol monobutyl ether, 1.2 parts of methyl methacrylate, 0.48 parts of butyl acrylate, 1.2 parts of hexafluorobutyl methacrylate, 0.32 parts of methacrylic acid into the reactor, 0.32 parts of hydroxyethyl acrylate, 0.048 parts of mercaptoethanol, and 0.12 parts of benzoyl peroxide; the temperature was raised to 85° C. for 20 minutes, and the above-mentioned parts were by weight.

[0034] Then, add 20 parts of diethylene glycol monobutyl ether, 13.8 parts of methyl methacrylate, 5.82 parts of butyl acrylate, 13.8 parts of hexafluorobutyl methacrylate, 3.68 parts of methacrylic acid, hydroxyethyl acrylate 3.68 parts of esters, 0.552 parts of mercaptoethanol, and 0.28 parts of benzoyl peroxide; stir evenly, and drop them into the reactor within 3 to 4 hours. After continuing to keep warm at 80-85°C for 1 hour, lowe...

Embodiment 2

[0037] For the specific formula, see formula 2 in Table 1, and the operation steps are as follows.

[0038] According to formula 2, first add 30 parts of propylene glycol monobutyl ether, 1.6 parts of methyl methacrylate, 0.48 parts of butyl acrylate, 0.8 parts of hexafluorobutyl methacrylate, 0.32 parts of methacrylic acid, and 0.32 parts of methacrylic acid into the reactor. 0.32 parts of esters, 0.048 parts of dodecyl mercaptan, and 0.12 parts of benzoyl peroxide; the temperature was raised to 85° C. for 20 minutes, and the above-mentioned parts were by weight.

[0039] Then add 20 parts of propylene glycol monobutyl ether, 18.4 parts of methyl methacrylate, 5.82 parts of butyl acrylate, 9.2 parts of hexafluorobutyl methacrylate, 3.68 parts of methacrylic acid, and 3.68 parts of hydroxyethyl acrylate into the dripping cylinder. parts, 0.552 parts of dodecyl mercaptan, and 0.28 parts of benzoyl peroxide; stir evenly, and drop them into the reactor within 3 to 4 hours. After...

Embodiment 3

[0042] For the specific formula, refer to formula 3 in Table 1, and the operation steps are as follows.

[0043] First, add 30 parts of diethylene glycol monobutyl ether, 1.6 parts of methyl methacrylate, 0.48 parts of butyl acrylate, 0.8 parts of hexafluorobutyl acrylate, 0.24 parts of methacrylic acid, and 0.4 parts of hydroxyethyl acrylate into the reactor , 0.048 parts of mercaptoethanol, and 0.12 parts of azobisisobutyronitrile; the temperature was raised to 85° C. for 20 minutes, and the above-mentioned parts were by weight.

[0044] Then into the dropper, add 20 parts of diethylene glycol monobutyl ether, 18.4 parts of methyl methacrylate, 5.82 parts of butyl acrylate, 9.2 parts of hexafluorobutyl acrylate, 2.76 parts of methacrylic acid, 4.6 parts of hydroxyethyl acrylate parts, 0.552 parts of mercaptoethanol, and 0.28 parts of azobisisobutyronitrile; stir evenly, and drop them into the reactor within 3 to 4 hours. After continuing to keep warm at 80-85°C for 1 hour, ...

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Abstract

The invention relates to a preparation method and an application of water-soluble fluorine-containing acrylic resin. The water-soluble fluorine-containing acrylic resin is obtained by copolymerizing an acrylic monomer, a fluorine-containing monomer and a functional monomer in a free radical manner; the use amounts of the reacted monomers are as follows in parts by weight: 15-25 parts of methyl methacrylate, 5-15 parts of butyl acrylate, 10-20 parts of fluorine-containing acrylic monomer, 3-5 parts of methacrylic acid, 3-5 parts of hydroxyethyl acrylate, 0.4-0.8 part of a chain transfer agent, 0.3-0.7 part of an initiator, 4-12 parts of amines neutralizing agent and 50 parts of an organic solvent. The resin is matched with aqueous amino resin and is diluted by water before being used; and the water-soluble fluorine-containing acrylic resin is mainly applied to coating a building metal sectional material and a large part of volatile matters is water when the resin is used, so that the water-soluble fluorine-containing acrylic resin is an environment-friendly product.

Description

technical field [0001] The invention relates to the field of polymer coating preparation, in particular to a preparation method and application of a water-soluble Hanfu acrylic resin. Background technique [0002] In the field of coating applications, because of its strong carbon-fluorine bond, fluorocarbon resin has better heat resistance, chemical resistance, cold resistance, low temperature flexibility, weather resistance and electrical properties than other resins. Good, and because of its good crystallinity, it is non-adhesive and non-wetting, so it is widely used in the coating of building metal profiles, aluminum veneers and other substrates. However, most of the traditional fluorocarbon resin-based fluorocarbon paints use various organic solvents from petroleum as diluents. After painting, the organic solvents accounting for more than 50% of the paint volume become harmful gases and emit in the air. Cause serious atmospheric environment pollution, waste a large amou...

Claims

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Application Information

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IPC IPC(8): C08F220/14C08F220/18C08F220/06C08F220/28C08F220/22C08F2/38C09D133/12C09D133/08C09D133/02C09D133/14
Inventor 赵志辉刘涛
Owner GUANGDONG YINYANG ENVIRONMENT FRIENDLY NEW MATERIALS CO LTD
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