C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
C08J 9/00 (2006.01) C08J 9/12 (2006.01) C08L 27/06 (2006.01)
Patent
CA 2352586
A microcellular rigid vinyl halide foam and a process for producing the foam are provided. The rigid vinyl halide foam exhibits toughness without containing large amounts, if any, impact modifier as part its composition. The microcellular foam can be produced, for example, in a continuous extrusion process. A variety of microcellular rigid vinyl halide foam articles, such as rigid pipe, can be formed.
L'invention concerne une mousse d'halogénure de vinyle rigide microcellulaire et un procédé de production de cette mousse. Cette mousse d'halogénure de vinyle est tenace et contient peu ou ne contient pas d'antichoc dans sa composition. Cette mousse microcellulaire peut être produite, par exemple, au moyen d'un procédé d'extrusion continue. L'invention permet de fabriquer divers articles en mousse d'halogénure de vinyle rigide microcellulaire, tels que des tuyaux rigides.
Chen Liqin
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Trexel Inc.
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