Pelletizing polymers

Details Pelletizing polymers Pelletizing polymers

1986-03-06

1990-05-08

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Recycling of reclaimed or purified process material

Of gaseous process material

264 15, 264570, 264117, 264349, B29B 908, B29B 910

Patent

active

049236490

ABSTRACT:
A method of pelletizing polymer utilizing a liquid medium characterized in that the liquid medium boils at a temperature greater than the melting temperature of the polymer and is immiscible with the molten polymer so that (1) polymer can be heated in the liquid medium to a temperature that causes particulates to melt, (2) the melted polymer can be allowed to agglomerate and (3) the agglomerated polymer can be cooled in a liquid to form pellets.

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patent: 3063099 (1962-11-01), Turner et al.
patent: 3244687 (1966-04-01), Spindler
patent: 3563975 (1971-02-01), Zarasnik
patent: 3586654 (1971-06-01), Lerman et al.
patent: 3622555 (1971-11-01), Rothenburk et al.
patent: 3674736 (1972-07-01), Lerman et al.
patent: 3896196 (1975-07-01), Dickey et al.
patent: 4420443 (1983-12-01), Kaji et al.

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