Method for recovering a solid flowable polymer medium

Details Method for recovering a solid flowable polymer medium Method for recovering a solid flowable polymer medium

1986-09-10

1989-06-13

Schofer, Joseph L.

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

Synthetic resins

Process of treating scrap or waste product containing solid...

521 41, 528491, 528499, 264 37, 264313, 264344, 134 10, C08J 1106, C08J 1104

Patent

active

048393924

ABSTRACT:
A method of recovering a solid flowable polymer medium that is capable of being used as a pressurizing medium for high temperature molding from contaminants. A polymer mixture containing contaminants that was a solid flowable polymer medium prior to exposure to temperatures in excess of about 316.degree. C. during its use as a pressurizing medium is disposed in a solution. The solution has a specific gravity greater than the solid flowable polymer medium. The solid flowable polymer medium is separated from the surface of the solution and contamination settles to the bottom.

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