Process for preparing rigid polyurethane and polyisocyanurate fo

Details Process for preparing rigid polyurethane and polyisocyanurate fo Process for preparing rigid polyurethane and polyisocyanurate fo

1992-05-11

1992-12-08

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521110, 521111, 528 15, C08J 912, C08J 914

Patent

active

051698722

ABSTRACT:
What is disclosed is a process for obtaining polyurethane foams having enhanced benefits. The invention disclosed herein provides a system flowability of the reacting foam mixture to give foams with an insulating capablity equal to the foams that are provided by chlorofluorocarbon blown system, while doing away with the chlorofluorocarbons.

REFERENCES:
patent: 3663468 (1972-05-01), Haluska
patent: 4751251 (1988-06-01), Thornberry

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