Preparation process of heat-resistant polymers from polycarboxyl

Details Preparation process of heat-resistant polymers from polycarboxyl Preparation process of heat-resistant polymers from polycarboxyl

1987-12-29

1988-11-15

Anderson, Harold D.

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

Synthetic resins

From reactant having at least one -n=c=x group as well as...

528 52, 528 53, C08G 1808, C08G 1822

Patent

active

047850698

ABSTRACT:
Disclosed herein is a process for preparing heat-resistant polymers by reacting an organic polyisocyanate with one or more compounds selected from the group consisting of organic polycarboxylic acids and organic polycarboxylic acid anhydrides in the presence of an alkali metal fluoride or an alkali metal fluoride combined with a quaternary onium salt as a catalyst.

REFERENCES:
patent: 3020262 (1962-02-01), Speranza
patent: 3487095 (1969-12-01), Nannelli et al.
patent: 3702839 (1972-11-01), Glasgow et al.
patent: 3725319 (1973-04-01), Frisch
patent: 4001186 (1977-01-01), Onder
patent: 4061623 (1977-12-01), Onder
patent: 4499253 (1985-02-01), Kerimis et al.
patent: 4656200 (1987-04-01), Clubley et al.

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