Process for preparing foamed and crosslinked shaped articles...

Details Process for preparing foamed and crosslinked shaped articles... Process for preparing foamed and crosslinked shaped articles...

C - Chemistry, Metallurgy

08

G

403/51, 18/668

C08G 77/04 (2006.01) B29C 35/00 (2006.01) C08J 9/06 (2006.01)

Patent

CA 1111200

ABSTRACT OF THE DISCLOSURE A process for preparing a foamed and crosslinked polyethylene resin shaped article having improved heat-sealability, which comprises melt- kneading (a) a silane-modified polyethylene resin, (b) a heat-decomposable blowing agent, (c) a silanol condensation catalyst, and (d) an organic per- oxide at a temperature lower than the decomposition temperature of the heat- decomposable blowing agent (b), shaping the mixture, and heating the result- ing foamable and crosslinkable shaped articles to the decomposition temper- ature of the heat-decomposable blowing agent or to a higher temperature thereby to foam and crosslink it, and a foamable and crosslinkable poly- ethylene resin composition used therefor.

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