B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 45/03 (2006.01) B29C 45/50 (2006.01) B29C 45/60 (2006.01) B29C 49/06 (2006.01)
Patent
CA 2089267
Melt fabrication, with precompounding, of a plurality of thermoplastic resins, in provided by use of a screw (12) having a dispersion section (18) in such machines as injection molding machines. The minor resin component can be an elastomer which toughens the resin's major component. This effect is improved by increasing back pressure on the screw (18) used in the injection molding machine (2), to extend the screw rotation and thus shear time accomplished by the dispersion section (18).
Blatz Philip Strubing
Richardson Paul Noel
Saxton Ronald Luther
Subramanian Pallatheri Manackal
Bennett Jones Llp
E. I. Du Pont de Nemours And Company
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