Unsaturated polyester containing formal linkages

Details Unsaturated polyester containing formal linkages Unsaturated polyester containing formal linkages

1976-10-26

1978-02-14

Myers, Jane S.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

260 73L, 560 81, 560198, C07C 6960

Patent

active

040740617

ABSTRACT:
Disclosed is an unsaturated polyester containing formal linkages. The polyester is comprised of the following repeating unit ##STR1## wherein X is a positive integer from 2 to 10, R is the divalent radical remaining after removal of the terminal carboxyl group from an .alpha.,.beta.-ethylenically unsaturated dicarboxylic acid, and R' is the divalent radical remaining after removal of the terminal hydroxyl groups from an aliphatic or cycloaliphatic glycol. The polyesters of this invention exhibit a combination of a desirable hardness and a desirable impact strength upon curing.

REFERENCES:
patent: 2366738 (1945-01-01), Loder et al.

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