Blowing agents for isocyanurate foams and method for producing t

Details Blowing agents for isocyanurate foams and method for producing t Blowing agents for isocyanurate foams and method for producing t

1988-09-20

1990-02-06

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

252 69, C08G 1814

Patent

active

048988936

ABSTRACT:
A blend of liquid hydrocarbon and halogenated aliphatic hydrocarbon is used as a blowing agent. The blowing agent is particularly useful to replace chlorofluorocarbons as blowing agents in isocyanate-based foams.

REFERENCES:
patent: 4482465 (1984-11-01), Gray

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