Process for producing conjugated diene polymer, conjugated...

C - Chemistry – Metallurgy – 08 – F

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C08F 36/04 (2006.01) C08F 4/54 (2006.01) C08K 3/04 (2006.01) C08K 3/36 (2006.01) C08L 9/00 (2006.01)

Patent

CA 2631890

A process for simply and inexpensively producing a conjugated diene polymer with a narrow molecular weight distribution and a high cis-bond content at a low cost is provided. The process comprises a polymerization step, wherein a conjugated diene polymer having a cis-1,4-bond content of 98 5 mass% or more and a ratio (Mw/Mn) of the weight average molecular weight (Mw) to the number average molecular weight (Mn) measured by gel permeation chromatography of 2.5 or less is obtained by carrying out a polymerization reaction in conjugated diene compounds using a catalyst composition containing a rare earth element-containing compound or a reaction product of the rare earth element-containing compound with a Lewis base, an aluminoxane and/or organoaluminum compound, and an iodine-containing compound

La présente invention concerne un procédé de fabrication de polymère diénique conjugué permettant la fabrication aisée et économique de polymère diénique conjugué ayant une répartition de masse moléculaire étroite et une teneur élevée en liaisons cis. Ledit procédé comprend l'étape de polymérisation qui consiste à polymériser un composé diénique conjugué à l'aide d'une composition de catalyseur comprenant un composé contenant un lanthanide ou un produit réactionnel du composé avec une base de Lewis, un aluminoxane et/ou un composé organoaluminium et un composé contenant de l'iode, afin d'obtenir un polymère diénique conjugué ayant une teneur en liaisons cis-1,4 de 98,5 % en masse ou plus et un rapport (Mw/Mn) masse moléculaire moyenne en poids (Mw) sur masse moléculaire moyenne en nombre (Mn) de 2,5 ou moins, mesuré par chromatographie par perméation de gel.

LandOfFree

Say what you really think

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

Rating

Process for producing conjugated diene polymer, conjugated... 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 producing conjugated diene polymer, conjugated..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for producing conjugated diene polymer, conjugated... will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFCA-PAI-O-1551193

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