C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
18/666, 403/76
C08L 25/00 (2006.01) C08J 9/14 (2006.01) C08K 5/02 (2006.01)
Patent
CA 1086450
Abstract of the Disclosure Stable medium density styrene polymer foams having excellent retention of thermal conductivity and high degree of stability have been prepared from a mixture of blowing agents, one having relatively high permeability through the styrene polymer, for example fluorochloromethane, the other having relatively low permeability, for example 1,1-difluoro- -1-chloroethane.
269739
Killingbeck Graydon W.
Suh Kyung W.
Smart & Biggar
The Dow Chemical Company
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