Unsaturated polyester composition

Details Unsaturated polyester composition Unsaturated polyester composition

1980-12-10

1982-08-10

Griffin, Ronald W.

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

Synthetic resins

From carboxylic acid or derivative thereof

523500, 525 36, 525 39, 525 40, 525921, C08F28300, C08G 6352

Patent

active

043439322

ABSTRACT:
The invention provides unsaturated polyester compositions which can be cured to form flexible objects, which compositions comprise terminal 1,2-alkene dicarboxylic acid in an amount of 1-25, preferably 3-15 mol-percent, calculated on the total amount of dicarboxylic acid, and 1-8, preferably 2.5-6 mol-percent of the dicarboxylic acids in the chain of the polyester consists of trans-1,2-alkene dicarboxylic acid.

REFERENCES:
patent: 3153005 (1964-10-01), Minter
patent: 3631224 (1971-12-01), Baum
patent: 3905943 (1975-09-01), Gormley
patent: 4049628 (1977-09-01), Weiss et al.

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