Polyurethane, process for producing the same, and process for pr

Details Polyurethane, process for producing the same, and process for pr Polyurethane, process for producing the same, and process for pr

1993-03-17

1994-04-26

Welsh, M. J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521131, 521164, 521167, 528 49, 528 78, 528 85, C08G 1814

Patent

active

053067355

ABSTRACT:
Processes for producing a polyurethane, a rigid polyurethane foam, a flexible polyurethane foam and a spray type rigid polyurethane foam are disclosed. In these processes, a specified tertiary aminoalcohol is used as a polyol component and a catalyst.

REFERENCES:
patent: 3325306 (1967-06-01), Caldwell et al.
patent: 3437608 (1969-04-01), Pohl et al.
patent: 4727094 (1988-02-01), Hoy et al.
patent: 5223547 (1993-06-01), Harada et al.

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