Process and apparatus for solid phase polymerization of polymers

Details Process and apparatus for solid phase polymerization of polymers Process and apparatus for solid phase polymerization of polymers

1994-07-08

1995-08-08

Kight, III, John

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From carboxylic acid or derivative thereof

528272, 5283091, C08G 6300

Patent

active

054400058

ABSTRACT:
A process and apparatus for the solid phase polymerization of polymers wherein cold amorphous polymer is introduced to a crystallizer. Hot heat transfer liquid is employed in the crystallizer for heating the polymer through indirect heat exchange to crystallize the polymer. The crystallized polymer is discharged to a reactor for solid phase polymerization, and then passed from the reactor to a cooler. Cold heat transfer liquid is employed in the cooler to cool the polymer through indirect heat exchange. A forced recirculation closed-loop system for the heat-transfer liquid is provided between the crystallizer and the cooler whereby the heat recovery process is achieved.

REFERENCES:
patent: 4161578 (1979-07-01), Herron

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