Plastic particle coated with processing aid and method of coatin

Details Plastic particle coated with processing aid and method of coatin Plastic particle coated with processing aid and method of coatin

1990-04-18

1991-04-09

Beck, Shrive

Coating processes

Solid particles or fibers applied

Uniting particles to form continuous coating with...

427213, 427222, B05D 302, B05D 700

Patent

active

050063685

ABSTRACT:
Plastic particles showing improved behavior upon extrusion, comprising coating the particles with a fused layer of certain waxes or polymeric materials; and a method of preparation, comprising heating the plastic particles to a temperature just below the softening or fusing temperature of the additive while blending the particle in a high intensity blender, introducing the additive and maintaining intense blending until the temperature is above the fusing temperature of the additive, and discharging the coated particles from the blender.

REFERENCES:
patent: 2839422 (1958-06-01), Beyer et al.
patent: 3687717 (1972-08-01), Philip
patent: 4238570 (1980-12-01), Shibata et al.
patent: 4483886 (1984-11-01), Kowalski
patent: 4915987 (1990-04-01), Nara et al.
patent: 4935246 (1990-06-01), Ahrens

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