Blowing agent blends and use thereof

Details Blowing agent blends and use thereof Blowing agent blends and use thereof

1999-04-12

2000-09-12

Dawson, Robert

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521117, 521131, C08J 914, C08K 5053

Patent

active

061179175

ABSTRACT:
B-side compositions comprising a polyol and a gaseous blowing agent comprising 124 dissolved in the polyol are provided, as are processes for producing closed-cell polyurethane or polyisocyanurate polymer foam comprising contacting an isocyanate-containing component with a polyol component in the presence of a blowing agent comprising 124, said blowing agent being dissolved in said polyol component.

REFERENCES:
patent: 4972003 (1990-11-01), Grunbauer et al.
patent: 5278196 (1994-01-01), Robin et al.
patent: 5300534 (1994-04-01), Volkert et al.

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