B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
18/729
B29C 47/60 (2006.01) B29C 47/66 (2006.01) C08L 59/00 (2006.01) C08L 81/02 (2006.01) C08L 33/08 (2006.01) C08L 51/06 (2006.01) C08L 63/00 (2006.01) C08L 67/02 (2006.01) C08L 75/04 (2006.01)
Patent
CA 2014251
ABSTRACT Process and apparatus for preparing a thermoplastic resin blend comprised of a thermoplastic base resin and at least one component homogenously dispersed within said base resin, use an extruder having an extruder barrel and at least one screw rotatably disposed within the barrel such that upon rotation thereof, the base resin is melt-blended with said at least one component to form said thermoplastic resin blend. The cross-section of an interior wall of the barrel along an axial zone thereof between an inlet and a discharge end of said extruder is particularly characterized by being essentially in the form of a polygon. The thermoplastic base resin preferably has a flexural modulus of at least 20,000 kg/cm2, whereas the component to be blended with the base resin is at least one selected from high molecular weight components having a flexural modulus of 10,000 kg/cm2 or more.
Hiragohri Motohito
Polyplastics Co. Ltd.
Smart & Biggar
LandOfFree
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