Fluorine-containing copolymer useful as paint vehicle

Details Fluorine-containing copolymer useful as paint vehicle Fluorine-containing copolymer useful as paint vehicle

1989-09-12

1991-01-15

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526332, 526333, 526250, 526253, 526255, C08F21418

Patent

active

049855190

ABSTRACT:
The invention provides a novel copolymer comprising 25-75 mol % of a fluoroolefin such as CTFE, 10-80 mol % of a combination of a fatty acid vinyl ester having not more than 4 carbon atoms in the acid part and at least one other carboxylic acid vinyl ester which has a larger number of carbon atoms and is selected from aliphatic and aromatic carboxylic acid vinyl esters, 3-40 mol % of a hydroxyl-containing allyl ether such as ethylene glycol monoallyl ether and 0-20 mol % of a carboxyl-containing monomer such as vinylacetic acid. The copolymer has a number average molecular weight of 3000 to 10000. This copolymer possesses favorable properties characteristic of fluororesins, is soluble in organic solvents including aromatic solvents low in polarity, such as xylene, and is curable at relatively low temperatures. A solution of this copolymer is useful as a liquid vehicle of a paint. Optionally, a portion of the vinyl ester component of the copolymer is replaced by an alkyl vinyl ether to enhance pliability of paint films using the copolymer.

REFERENCES:
patent: 4631326 (1986-12-01), Koishi et al.
patent: 4640966 (1987-02-01), Mitani et al.

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