Cold setting compositions, a process for the production thereof

Details Cold setting compositions, a process for the production thereof Cold setting compositions, a process for the production thereof

1986-07-29

1987-12-29

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521164, 521167, 524212, 524217, 524714, 524728, 528 78, 528 85, C08G 1814

Patent

active

047161825

ABSTRACT:
The present invention relates to cold setting compositions of (A) suspensions of solid polyisocyanates with retarded reactivity in aliphatic polyamines, and which are stable under storage due to a polyadduct covering, and (B) polyols and/or water. The activation of the composition is caused by the polyol or water. Additional activating materials can also be added for hardening. Such compositions, which already harden at ambient temperature, are stable under storage, have a long potlife for processing and, in relation to the potlife, have a very short hardening time to the final reaction product.

REFERENCES:
patent: 4400497 (1983-08-01), Blum et al.
patent: 4483974 (1984-11-01), Grogler et al.
patent: 4546165 (1985-10-01), Grogler et al.
patent: 4581432 (1986-04-01), Blum et al.

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