Production of polycarbonates

Details Production of polycarbonates Production of polycarbonates

C - Chemistry, Metallurgy

08

G

402/180

C08G 64/30 (2006.01)

Patent

CA 1300799

Case 6616(2) ABSTRACT OF THE DISCLOSURE PRODUCTION OF POLYCARBONATES This invention relates to an integrated process for producing polycarbonates by transesterification of a dialkyl carbonate with a bisphenol diester to form a carbonate oligomer and an alkyl ester followed by polymerisation of the oligomer to a polycarbonate. The feature of the invention lies in the carbonylation of the alkyl ester by-product formed during the transesterification step to an anhydride which is used to esterify bisphenol to the diester.

571954

Affiliated with

Also associated with

Rating

Production of polycarbonates does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Production of polycarbonates, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Production of polycarbonates will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1217271