Uniformly coated polymeric composition

Details Uniformly coated polymeric composition Uniformly coated polymeric composition

1986-11-12

1987-11-03

Beck, Shrive P.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Particulate matter

427213, 427222, 427422, B05D 102

Patent

active

047043300

ABSTRACT:
A particulated thermoplastic polymer having a uniform surface coating of zinc stearate is prepared by contacting the polymer particles with atomized droplets of molten zinc stearate while supporting and conveying the polymer by a moving stream of a gas. Reduced frictional forces allow increased volumes of coated particles to be transported by pneumatic conveyance. Substantially reduced fine particulate generation or "dusting" is observed for the composition.

REFERENCES:
patent: 3255036 (1966-06-01), Kramer et al.
patent: 4221829 (1980-09-01), Vargiu
patent: 4272583 (1981-06-01), Hahn et al.
patent: 4511603 (1985-04-01), Wallace
patent: 4517246 (1985-05-01), Matsuyama et al.

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