Unsaturated homo- and/or copolymerizable polyesters

Details Unsaturated homo- and/or copolymerizable polyesters Unsaturated homo- and/or copolymerizable polyesters

1983-08-01

1984-10-16

Phynes, Lucille M.

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

Synthetic resins

From carboxylic acid or derivative thereof

525440, 525445, 528303, 528304, 528306, C08G 6944, C08G 7316

Patent

active

044776535

ABSTRACT:
The invention is related to unsaturated homo- and/or copolymerizable linear polyesters which are prepared from diols and at least one unsaturated dicarboxylic acid or its derivatives capable of forming esters. The polyesters contain as component (A) a diol with end-position hydroxyl groups and an average molecular weight of 700 to 1200; as component (B) one or more unsaturated dicarboxylic acids; and as component (C) a linear diol with 2 to 6 carbon atoms. The equivalent ratio of A:B is from about 0.8:1 to 1.2:1 and the equivalent ratio of C:(A+B) is from about 0.5:1 to 1:1.

REFERENCES:
patent: 3896098 (1975-07-01), Lasher
patent: 4066586 (1978-01-01), Tanuma et al.
patent: 4089825 (1978-05-01), Lawson
patent: 4241199 (1980-12-01), Dunleavy
patent: 4251641 (1981-02-01), Arakawa et al.
patent: 4254230 (1981-03-01), Howard
patent: 4284760 (1981-08-01), Millick et al.
patent: 4298711 (1981-11-01), Moulson et al.
patent: 4311814 (1982-01-01), Ochsenbein et al.
patent: 4355123 (1982-10-01), Dudgeon

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