Solvent removal from polymer solutions

Details Solvent removal from polymer solutions Solvent removal from polymer solutions

1978-05-15

1980-01-29

Yudkoff, Norman

Concentrating evaporators

Superheating and pressure release

With extruder

159 44, 159 13A, 528501, B01D 122

Patent

active

041860470

ABSTRACT:
By cooling the barrel of a devolatilizing extruder rather than by heating it, both the solvent removal rate and the polymer feed rate could be increased furthermore, the power surging of the motor driving the extruder was largely reduced or even eliminated by the process of this invention.

REFERENCES:
patent: 3115675 (1963-12-01), Tedder
patent: 3544540 (1970-12-01), Houser et al.
patent: 3742093 (1973-06-01), Skidmore

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