Crystalline unsaturated polyester and the preparation thereof

Details Crystalline unsaturated polyester and the preparation thereof Crystalline unsaturated polyester and the preparation thereof

1987-07-24

1989-06-13

Short, Patricia

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

528 66, 4284231, 4284237, C08L 7506, C08G 1828

Patent

active

048394386

ABSTRACT:
The invention relates to crystalline unsaturated polyester, consisting of segments derived from a mainly hydroxy-terminated, unsaturated polyester, bound through urethane bonds to units derived from a (poly)isocyanate and further, if desired, in an amount that is at most relatively small, units, bound via urethane bonds, that are derived from a diol containing between 2 and 12 carbon atoms and/or from a diamine containing between 2 and 12 carbon atoms and/or from an alkanolamine containing between 2 and 12 carbon atoms.

REFERENCES:
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patent: 3677920 (1972-07-01), Kai
patent: 3703498 (1972-11-01), Harris
patent: 3824201 (1974-07-01), McGranaghan
patent: 3862021 (1975-01-01), Hagihara
patent: 3933728 (1976-01-01), Henbest
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patent: 4189517 (1980-02-01), Shanoski
patent: 4228113 (1980-10-01), Van Gasse
patent: 4289684 (1981-09-01), Kallaur
patent: 4302551 (1981-11-01), Horn
patent: 4349601 (1982-09-01), Brueggann
patent: 4499235 (1985-02-01), Verwer
patent: 4560708 (1985-12-01), Horn
Brian Parkyn, Commercial Polyester Resins, pp. 29-43, Polyesters, vol. 2, 1967.

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