Expandable polyolefin compositions and polyolefin foam...

C - Chemistry – Metallurgy – 08 – J

Patent

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403/64

C08J 9/14 (2006.01) C08J 9/00 (2006.01)

Patent

CA 1160800

ABSTRACT OF THE DISCLOSURE The use, in an otherwise conventional poly- olefin extrusion foaming process, of a stabilty control agent (e.g., stearamide, EAA copolymer, etc.) in conjunc- tion with certain mixed blowing agent systems (e.g., 5 to 50 weight percent trichloromonofluoromethane and 50 to 95 weight percent dichlorodifluoromethane) provides closed-cell olefin polymer foam articles having increased maximum achievable cross-sections and good dimensional stability. 28,505-F

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