Dispersible additive systems for polymeric materials

Details Dispersible additive systems for polymeric materials Dispersible additive systems for polymeric materials

C - Chemistry, Metallurgy

08

J

C08J 3/205 (2006.01) C08K 9/04 (2006.01) D01F 1/04 (2006.01)

Patent

CA 2208213

Dispersible additive systems for polymeric material include dispersant-coated pigments in a liquid nonaqueous polymeric carrier. The additive systems are most preferably in the form of a particulate nonaqueous paste which can be added in metered amounts (dosed) to a melt flow of the polymeric host material prior to being shaped (for example, prior to being spun into synthetic filaments). By providing a number of additive systems having a number of different additive attributes, and controllably dosing one or more into the melt flow of polymneric material, shaped objects of the polymeric material (e. g., melt-spun filaments) having different additive attributes may be produced on a continuous basis without shutting down the shaping operation.

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