Tertiary amino substituted oxazolidines as polyisocyanurate cata

Details Tertiary amino substituted oxazolidines as polyisocyanurate cata Tertiary amino substituted oxazolidines as polyisocyanurate cata

1979-09-13

1981-02-17

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521129, 528 53, 544137, 548215, C08G 1820

Patent

active

042516374

ABSTRACT:
The use of tertiary amino substituted oxazolidines as polyisocyanurate catalysts is disclosed. Said catalysts are useful in promoting the reaction between a polyol and an aromatic polyisocyanate to prepare a polymer containing recurring isocyanurate and urethane linkages.

REFERENCES:
patent: 2993869 (1961-07-01), Gmitten et al.
patent: 3645925 (1972-02-01), Speranza et al.
patent: 4115302 (1978-09-01), Mao

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