Fluorine-containing resin for preparing paint

Details Fluorine-containing resin for preparing paint Fluorine-containing resin for preparing paint

1997-06-11

2000-12-26

Seidleck, James J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

526242, 526245, 526247, 526249, 526255, 526252, 524546, C08L 2712, C08F21418

Patent

active

061661414

ABSTRACT:
The invention relates to a fluorine-containing resin (graft copolymer) used for preparing a paint. This resin is prepared by a graft copolymerization of a fluorine-containing copolymer with a first monomer composition. The fluorine-containing copolymer comprises a first constitutional unit derived from a fluoroolefin and at least one of second and third constitutional units. The second constitutional unit is derived from a particular carboxylic acid vinyl ester represented by a general formula of R--C(.dbd.O)OCH.dbd.CH.sub.2 where R is a special group. The third constitutional unit is derived from a first monomer which is at least one compound selected from vinyl ethers and allyl ethers. The first monomer is represented by a general formula of R--O--(CH.sub.2)n--CH.dbd.CH.sub.2. The first monomer composition for preparing the resin contains a second monomer which is at least one compound selected from methacrylic acid esters and acrylic esters. The second monomer is represented by a general formula of CH.sub.2 .dbd.C(--R')C(.dbd.O)O--R where R' is hydrogen atom or methyl group. A composition prepared by mixing the resin with vinylidene fluoride resin or with a combination of vinylidene fluoride resin and acrylic resin is capable of providing a coated film having high gloss, high weather resistance, and good results in bending test for a long time. Another composition prepared by mixing the resin with a hardener is capable of providing a coated film having high hardness, good adhesion to various other coated films, high weather resistance, and high stain resistance.

REFERENCES:
patent: 4631326 (1986-12-01), Koishi et al.
patent: 4690968 (1987-09-01), Mitani et al.
patent: 4985519 (1991-01-01), Koishi et al.
patent: 5200480 (1993-04-01), Maruyama et al.
patent: 5447982 (1995-09-01), Kamba et al.
patent: 5965275 (1999-10-01), Nishi et al.
Patent Abstracts of Japan, 06025595, Feb. 1, 1994.
Patent Abstracts of Japan, 59041315, Mar. 7, 1984.

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