Expansible mixtures devoid of isocyanates exhibiting...

Details Expansible mixtures devoid of isocyanates exhibiting... Expansible mixtures devoid of isocyanates exhibiting...

2011-01-25

2011-01-25

Eashoo, Mark (Department: 1796)

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

Synthetic resins

Cellular products or processes of preparing a cellular...

C521S131000

Reexamination Certificate

active

07875658

ABSTRACT:
Foamable compositions which are free of isocyanates, which exhibit low shrinkage, low propensity toward crack formation, and which display good flammability resistance, are prepared from blowing agent-containing compositions of alkoxysilane-terminated prepolymers derived from a polyol component which contains one or more halogenated polyols.

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