Process for isolating polycarbonates with CO.sub.2 under pressur

Details Process for isolating polycarbonates with CO.sub.2 under pressur Process for isolating polycarbonates with CO.sub.2 under pressur

1992-05-26

1993-06-22

Anderson, Harold D.

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

Synthetic resins

Treating polymer containing material or treating a solid...

528196, 528198, C08G 6440

Patent

active

052217310

ABSTRACT:
A continuous process for the isolation of polycarbonates from a solution of polycarbonate in methylene chloride at temperatures of 30.degree. to 80.degree. C. is disclosed. The process which yields polycarbonate in powder form having residual solvent content of less than 5% by weight, is characterized in that it entails the following steps:

REFERENCES:
patent: 4634761 (1987-01-01), Mendiratta et al.
patent: 4892931 (1990-01-01), Knerr
patent: 4918160 (1990-04-01), Kondoh et al.
patent: 5080845 (1992-01-01), Herrmann et al.

Affiliated with

Also associated with

Rating

Process for isolating polycarbonates with CO.sub.2 under pressur does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for isolating polycarbonates with CO.sub.2 under pressur, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for isolating polycarbonates with CO.sub.2 under pressur will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1441815