Styrene polymer foam and preparation thereof

C - Chemistry – Metallurgy – 08 – L

Patent

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Details

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

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