Process for making a uniform dispersion of aramid fibers and...

Details Process for making a uniform dispersion of aramid fibers and... Process for making a uniform dispersion of aramid fibers and...

C - Chemistry, Metallurgy

08

J

C08J 3/00 (2006.01) B29C 47/00 (2006.01) C08J 5/04 (2006.01) C08L 31/04 (2006.01) C08L 77/06 (2006.01)

Patent

CA 2295653

A process for making a substantially uniform composition of short aramid fibers and polymer wherein the fibers are provided with a significant moisture content to improve handling characteristics and are partially dried and opened by shear forces in an extruder before contact with the polymer in the extruder.

La présente invention concerne un procédé permettant de préparer une composition sensiblement uniforme de fibres aramides courtes et de polymères, ces fibres présentant une importante teneur en eau qui améliore leur caractéristiques de manipulation. Les fibres précitées sont partiellement séchées et ouvertes par des forces de cisaillement dans une extrudeuse avant d'être mises en contact avec un polymère dans cette même extrudeuse.

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