Syndiotactic 1,2-polybutadiene synthesis process

Details Syndiotactic 1,2-polybutadiene synthesis process Syndiotactic 1,2-polybutadiene synthesis process

C - Chemistry, Metallurgy

08

F

402/444, 400/913

C08F 2/06 (2006.01) C08F 4/70 (2006.01) C08F 136/06 (2006.01)

Patent

CA 1241493

ABSTRACT OF THE DISCLOSURE SYNDIOTACTIC 1,2-POLYBUTADIENE SYNTHESIS PROCESS This invention reveals a very useful process for producing polybutadiene composed essentially of syndiotactic 1,2-polybutadiene in tetrahydrofuran comprising polymerizing 1,3-butadiene in said tetrahydrofuran in the presence of (1) a catalyst composition microencapsulated in a polyene product which contains (a) at least one cobalt compound selected from the group consisting of (i) .beta.-diketone complexes of cobalt, (ii) .beta.-keto acid ester complexes of cobalt, (iii) cobalt salts of organic carboxylic acids having 6 to 15 carbon atoms, and (iv) complexes of halogenated cobalt compounds of the formula CoXn, wherein X represents a halogen atom and n represents 2 or 3, with an organic compound selected from the group consisting of tertiary amines, alcohols, tertiary phosphines, ketones and N,N-dialkylamides, and (b) at least one organoaluminum compound of the formula AlR3, wherein R represents a hydrocarbon radical of 1 to 6 carbon atoms; and (2) carbon disulfide. This polymerization technique is very useful in the synthesis of syndiotactic 1,2-polybutadiene which will be used in articles for packaging, transportation, or storing of foods since it employs tetrahydrofuran as its polymerization medium.

442963

Affiliated with

Also associated with

Rating

Syndiotactic 1,2-polybutadiene synthesis process does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Syndiotactic 1,2-polybutadiene synthesis process, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Syndiotactic 1,2-polybutadiene synthesis process will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1296889