Air-driable alkyd resins and process for their preparation

Details Air-driable alkyd resins and process for their preparation Air-driable alkyd resins and process for their preparation

1981-04-27

1982-06-15

Griffin, Ronald W.

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

Synthetic resins

From carboxylic acid or derivative thereof

2604048, 526273, 528297, 528283, 5282955, 528361, 528366, C09D 328, C09D 358, C09D 364

Patent

active

043350275

ABSTRACT:
Air-driable alkyd resins are prepared by reacting substantially equimolar a dicarboxylic acid anhydride and a glycidyl ester of a primary fatty acid, at least part of the ester having a--CH.dbd.CH--linkage not .alpha..beta. to the carboxyl group residue of the fatty acid residue. The glycidyl ester may be used alone or in admixture with a glycidyl ether or ephichlorohydrin. Polymerization is effected at relatively low temperatures (100.degree. C. or less) using a catalyst, which is preferably a stannous or zinc carboxylate. The resins produced are substantially color-free and have a narrow range of molecular weights.

REFERENCES:
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patent: 2940986 (1960-06-01), Newey
patent: 2949441 (1960-08-01), Newey
patent: 2955101 (1960-10-01), Bruin et al.
patent: 2966479 (1960-12-01), Fischer
patent: 2993920 (1961-07-01), Budde et al.
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patent: 3275583 (1966-09-01), Kloos
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Chemical Abstracts, vol. 81, Item 38092s (1974).

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