Process for the preparation of polymer melts which are substanti

Details Process for the preparation of polymer melts which are substanti Process for the preparation of polymer melts which are substanti

1982-06-08

1984-06-05

Wong, Jr., Harry

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

Synthetic resins

Treating polymer containing material or treating a solid...

526348, 526352, 5263522, 528481, 528499, 528501, C08F 600, C08F 610

Patent

active

044529775

ABSTRACT:
A process for the preparation of alkene polymer melts being substantially free of volatile components comprises introducing an alkene polymer melt having a melt index of less than 4 dg/min and a content of volatile components of less than 10 percent by weight into a cooled degasification extruder and subjecting the melt in the extruder kneading zone to intense cooling under pressure and in the extruder degasification zone to cooling which is less intense than in the kneading zone and under reduced pressure.

REFERENCES:
patent: 3476736 (1969-11-01), Kahre
patent: 4186047 (1980-01-01), Salmon

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