Screen packs for reducing gels in polypropylene copolymers

Details Screen packs for reducing gels in polypropylene copolymers Screen packs for reducing gels in polypropylene copolymers

C - Chemistry, Metallurgy

08

J

C08J 3/00 (2006.01) B29C 47/68 (2006.01) C08F 8/50 (2006.01) C08L 23/12 (2006.01)

Patent

CA 2273947

The present invention teaches a method for reducing the number and size of polymeric gels in a polypropylene blend by filtering the blend through multiple filter screens during the extrusion of the blend.

La présente invention concerne un procédé permettant de limiter en volume et en dimensions la formation de gels dans un mélange de polypropylène. Ce procédé consiste à filtrer le mélange au moyen de plusieurs tamis de filtrage pendant l'extrusion du mélange.

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