Glass fibers containing foamable composition

Details Glass fibers containing foamable composition Glass fibers containing foamable composition

C - Chemistry, Metallurgy

08

J

C08J 9/00 (2006.01) B29C 44/20 (2006.01) B29C 59/04 (2006.01) B32B 3/26 (2006.01) C08J 9/04 (2006.01) C08J 9/10 (2006.01) C08L 27/06 (2006.01)

Patent

CA 2465955

A composition made by the method wherein a feed mixture of thermoplastic polymer material and glass fibers are provided to an extruder (10). The extruder compresses the feed mixture to form a thermoplastic/glass melt in the presence of a blowing agent. The blowing agent combines with the thermoplastic/glass melt to form closed cell voids in the melt and in the extruded shape.

L'invention concerne une composition réalisée selon un procédé qui consiste à alimenter une extrudeuse (10) avec un mélange de matériau polymère thermoplastique et de fibres de verre. L'extrudeuse comprime ce mélange pour former une matière fondue à base de matériau thermoplastique/verre, en présence d'un agent d'expansion qui se mélange avec ladite matière fondue et établit des vides en alvéoles fermés dans cette matière et dans la forme extrudée résultante.

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