Polyisocyanurate foam with chloropropane blowing agent

Details Polyisocyanurate foam with chloropropane blowing agent Polyisocyanurate foam with chloropropane blowing agent

1990-03-02

1991-11-12

Kight, III, John

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521902, G08J 904

Patent

active

050648721

ABSTRACT:
A polyisocyanurate foam or a with polyurethane modified polyisocyanurate foam having a mainly closed cell structure and also a method for preparing this foam, the latter comprising closed cells wherein chloropropane, preferably 2-chloropropane, whether or not with another gas, is enclosed.

REFERENCES:
patent: 3391093 (1968-07-01), Frost
patent: 4920154 (1990-04-01), Monstrey et al.

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