Carbonate modified polyester polyol

Details Carbonate modified polyester polyol Carbonate modified polyester polyol

1994-12-20

1995-08-29

Lipman, Bernard

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

Synthetic resins

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

5253288, 525384, C08F 814

Patent

active

054461103

ABSTRACT:
A hydroxy-terminated linear carbonate is produced by reacting a cyclic alkylene carbonate such as neopentyl glycol carbonate with a substance having at least one alcoholic hydroxyl group in the presence of a catalyst. Mono- or polyhydric alphatic alcohols, polycaprolactone polyols, hydroxyl group-containing acrylic monomers and polymers, and polyester polyols are modified by the reaction with the cyclic alkylene carbonate to have an enhanced reactivity and resistance to hydrolysis.

REFERENCES:
patent: 2863854 (1958-12-01), Wilson
patent: 3426100 (1969-02-01), McDonough
patent: 3657191 (1972-04-01), Titzmann et al.
patent: 3966788 (1976-06-01), Senet et al.
patent: 4217297 (1980-08-01), Lindner et al.
patent: 4526956 (1985-07-01), Mark

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