Apparatus for finishing high viscosity synthetic polymers

Details Apparatus for finishing high viscosity synthetic polymers Apparatus for finishing high viscosity synthetic polymers

1977-04-28

1978-05-16

Hornsby, Harvey C.

Agitating

Rubber or heavy plastic working

Stirrer is through-pass screw conveyor

366297, 366323, A21C 102

Patent

active

040902617

ABSTRACT:
An improved polymerization apparatus for finishing high viscosity synthetic polymers involves a vessel having vertical rotating elements which fully wipe the interior surface of the vessel including the top inner surface. Entrances located in the top of the vessel for feeding streams containing molten polymer downwardly into the vessel deposit fresh polymer on the walls and on the upper element surfaces which wipe the top inner surface. A reservoir formed by the leading edge of a raised portion on the upper end surface of the elements facilitates collecting and spreading a fresh supply of polymer on the top inner surface of the vessel to help eliminate stagnant polymer areas thereon during operation.

REFERENCES:
patent: 3365177 (1968-01-01), Daman
patent: 3717330 (1973-02-01), Pinney
patent: 3929416 (1975-12-01), Tanaka et al.
patent: 3986704 (1976-10-01), Risse

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