Process for the production of foamed poly(epoxy-polyisocyanate)s

Details Process for the production of foamed poly(epoxy-polyisocyanate)s Process for the production of foamed poly(epoxy-polyisocyanate)s

1982-08-05

1983-03-22

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521122, 521156, 528 51, 528 56, 528 57, 528 73, C08G 6300

Patent

active

043776469

ABSTRACT:
Poly(epoxy-polyisocyanate) silicate foamed products are produced by mixing and reactng an epoxide compound, an oxidated silicon compound and a polyisocyanate in the presence of a Lewis acid. The foam produced by this process may be utilized for thermal and sound insulation.

REFERENCES:
patent: 4200697 (1980-04-01), Blount
patent: 4211848 (1980-07-01), Blount
patent: 4357463 (1982-11-01), Blount

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