Novel blowing agent for polymeric foam process

Details Novel blowing agent for polymeric foam process Novel blowing agent for polymeric foam process

1979-07-19

1981-03-10

Cockeram, H. S.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

252 1, 252364, 252366, 521107, 521101, 521172, 521176, 106246, 260 318R, 260 18TN, C08G 1814, C08G 1830, C08G 1834

Patent

active

042555272

ABSTRACT:
A process is disclosed for a polymeric foam such as a polyurethane foam prepared from a reaction mixture comprising an organic polyisocyanate compound and a compound having more than one active hydrogen, wherein the blowing agent comprises a mixture of ethanol and dibutylphthalate. The molar ratio of ethanol to dibutylphthalate is preferably in the range of from about 1.5 to about 4.

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