Two-step thermal process for the preparation of alkenyl...

Details Two-step thermal process for the preparation of alkenyl... Two-step thermal process for the preparation of alkenyl...

C - Chemistry, Metallurgy

07

D

C07D 307/60 (2006.01) B01F 17/00 (2006.01) C08F 255/00 (2006.01) C08F 255/08 (2006.01) C10L 1/198 (2006.01) C10M 129/93 (2006.01) C10M 133/52 (2006.01)

Patent

CA 2119011

2119011 9402572 PCTABS00030 A process for the preparation of an alkenyl-substituted succinic anhydride wherein the alkenyl substituent has a number average molecular weight of from about 500 to 5000 and the average number of succinic groups per alkenyl group is greater than 1.2 which comprises: (a) reacting a polyolefin having an alkylvinylidene isomer content of less than about 10 percent and a number average molecular weight of about 500 to 5000 with maleic anhydride at a temperature in the range of about 200 ·C to 250 ·C to provide a mixture of alkenyl succinic anhydride having an average of about 1.0 succinic group per alkenyl group and unreacted polyolefin, and (b) reacting the mixture of alkenyl succinic anhydride and unreacted polyolefin from step (a) with maleic anhydride in the presence of a free radical initiator at a temperature in the range of about 100 ·C to 220 ·C to thereby provide an alkenyl succinic anhydride having an average of greater than 1.2 succinic groups per alkenyl group.

Affiliated with

Also associated with

Rating

Two-step thermal process for the preparation of alkenyl... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Two-step thermal process for the preparation of alkenyl..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Two-step thermal process for the preparation of alkenyl... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1356294