Addition of additives to polymeric materials

Details Addition of additives to polymeric materials Addition of additives to polymeric materials

C - Chemistry, Metallurgy

08

J

C08J 3/205 (2006.01) C08J 3/22 (2006.01)

Patent

CA 2050612

10415 ADDITION OF ADDITIVES TO POLYMERIC MATERIALS Abstract A process for introducing additives into a polymer melt comprising dispersing at least one additive in an at least partially volatile liquid vehicle with a dispersant and a stabilizer; feeding the resulting dispersion to a vented extruder which is extruding a polymer; and removing the fed volatiles through the extruder vent to achieve a substantially homogeneous system containing the polymer and at least one additive is disclosed. 18

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