Catalyst composition comprising shuttling agent for higher...

C - Chemistry – Metallurgy – 08 – F

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C08F 297/08 (2006.01) C08F 2/38 (2006.01) C08F 4/646 (2006.01)

Patent

CA 2557870

Copolymers, especially multi-block copolymer containing therein two or more segments or blocks differing in chemical or physical properties, are prepared by polymerizing propylene, 4-methyl- l-pentene, or other C4-8.alpha.-olefin and one or more copolymerizable comonomers, especially ethylene in the presence of a composition comprising the admixture or reaction product resulting from combining: (A) a first metal complex olefin polymerization catalyst, (B) a second metal complex olefin polymerization catalyst capable of preparing polymers differing in chemical or physical properties from the polymer prepared by catalyst (A) under equivalent polymerization conditions, and (C) a chain shuttling agent.

L'invention concerne des copolymères, en particulier un copolymère multibloc contenant au moins deux segments ou blocs présentant des propriétés physiques ou chimiques différentes. Ces copolymères sont obtenus par polymérisation de propylène, de 4-méthyl-l-pentène ou autre .alpha.-oléfine C¿4?-¿8?, et d'au moins un comonomère copolymérisable, en particulier l'éthylène, en présence d'une composition contenant le mélange ou le produit de réaction de : (A) un premier catalyseur de polymérisation d'oléfines de complexe métallique ; (B) un deuxième catalyseur de polymérisation d'oléfines de complexe métallique permettant d'obtenir des polymères présentant des propriétés physiques ou chimiques différentes de celles du polymère obtenu au moyen du catalyseur (A) dans des conditions de polymérisation équivalentes ; et (C) un agent navette de chaîne.

LandOfFree

Say what you really think

Search LandOfFree.com for Canadian inventors and patents. Rate them and share your experience with other people.

Rating

Catalyst composition comprising shuttling agent for higher... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Catalyst composition comprising shuttling agent for higher..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Catalyst composition comprising shuttling agent for higher... will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFCA-PAI-O-1396014

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.