C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
403/60, 403/74,
C08L 25/00 (2006.01) C08J 9/14 (2006.01) C08K 5/02 (2006.01)
Patent
CA 1081900
Abstract of the Disclosure Stable medium density large cell size styrene polymer foam is extruded in large sections employing as blowing agents: chlorofluoromethane, bromochlorodifluoro- methane alone or in admixture with minor quantities of other halogen containing carbon compounds to provide machinable foams of good dimensional stability.
264530
Killingbeck Graydon W.
Suh Kyung W.
Smart & Biggar
The Dow Chemical Company
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