JPS57125206A - Preparation of reinforced polybutadiene rubber - Google Patents
Preparation of reinforced polybutadiene rubberInfo
- Publication number
- JPS57125206A JPS57125206A JP972081A JP972081A JPS57125206A JP S57125206 A JPS57125206 A JP S57125206A JP 972081 A JP972081 A JP 972081A JP 972081 A JP972081 A JP 972081A JP S57125206 A JPS57125206 A JP S57125206A
- Authority
- JP
- Japan
- Prior art keywords
- butadiene
- polymerization
- rubber
- polymerizing
- give
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
PURPOSE: To obtain the titled rubber in high yield, being vulcanized to provide a rubber product having improved tear resistance and flex cracking characteristics, by polymerizing 1,3-butadiene in the presence of a specific catalyst for 1,2- polymerization, followed by polymerizing it using a specified catalyst for cis- 1,4-polymerization.
CONSTITUTION: 1,3-Butadiene is polymerized in the presence of a 1,2-polymerization catalyst obtained from (A) 1mol cobalt-butadiene complex[e.g., Co(C4H6) (C8H13), etc.]and 0.002W1,000mol CS2 in an inert organic solvent (e.g., benzene, etc.) in such a way that the amount of the component A is 5×10-6W1×10-2mol based on 1,3-butadiene, to give 1,2-polybutadiene. In this polymerization system, 1,3-butadiene is subjected to 1,4-polymerization using (C) ≥0.005mmol based on 1,3-butadiene of a soluble Co compound (e.g., Co-butadiene complex, etc.) and (D) ≥0.5 mil organoaluminum compound[e.g., (C2H5)2AlCl, etc.]shown by the formula (R is 1W6C alkyl, etc.; X is halogen; n is 1.5W2), to give the desired rubber having an insoluble content in boiling n-hexane of 5W30wt%.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP972081A JPS57125206A (en) | 1981-01-27 | 1981-01-27 | Preparation of reinforced polybutadiene rubber |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP972081A JPS57125206A (en) | 1981-01-27 | 1981-01-27 | Preparation of reinforced polybutadiene rubber |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57125206A true JPS57125206A (en) | 1982-08-04 |
Family
ID=11728121
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP972081A Pending JPS57125206A (en) | 1981-01-27 | 1981-01-27 | Preparation of reinforced polybutadiene rubber |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57125206A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9982115B2 (en) | 2013-12-03 | 2018-05-29 | Bridgestone Corporation | Process for preparing blends of cis-1,4-polybutadiene and syndiotactic 1,2-polybutadiene |
WO2020122108A1 (en) * | 2018-12-13 | 2020-06-18 | Jsr株式会社 | Polybutadiene composition and method for producing same |
-
1981
- 1981-01-27 JP JP972081A patent/JPS57125206A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9982115B2 (en) | 2013-12-03 | 2018-05-29 | Bridgestone Corporation | Process for preparing blends of cis-1,4-polybutadiene and syndiotactic 1,2-polybutadiene |
WO2020122108A1 (en) * | 2018-12-13 | 2020-06-18 | Jsr株式会社 | Polybutadiene composition and method for producing same |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5688409A (en) | Preparation of reinforced polybutadiene rubber | |
IE822317L (en) | Polymerisation of conjugated diolefins | |
KR880002908A (en) | Butadiene and isoprenege ABC block copolymer, preparation method thereof and use thereof | |
KR890013073A (en) | ABC block copolymer based on butadiene, isoprene and styrene, preparation method and use thereof | |
DE3171664D1 (en) | Improved process for the production of a propylene-containing block copolymer | |
JPS52101287A (en) | Preparation of conjugated diene polymers | |
JPS5538827A (en) | Production of conjugated diene polymer | |
JPS57125206A (en) | Preparation of reinforced polybutadiene rubber | |
KR900000391A (en) | AB block copolymer based on butadiene, isoprene and styrene, preparation method thereof and use thereof | |
EP0153067A3 (en) | Diene polymers and process for producing the same | |
JPS5686906A (en) | Titanium trichloride catalyst component and homopolymerizing or copolymerizing method of alpha- olefin | |
ES8502451A1 (en) | Process for polymerising conjugate diolefins, and means suitable for this purpose. | |
JPS5490382A (en) | Preparation of olefin polymer | |
JPS6462341A (en) | Pneumatic tire | |
GB1294725A (en) | Polymerization of diolefins | |
JPS5753511A (en) | Styrene-butadiene copolymer rubber having novel styrene distribution and its preparation | |
JPS54105191A (en) | Preparation of cis-1,4-polybutadiene | |
JPS5494591A (en) | Production of olefin polymer | |
JPS5734104A (en) | Production of low-molecular weight polymer | |
JPS56109205A (en) | Preparation of diene rubber | |
GB1406461A (en) | Process for polymerizing olefinic hydrocarbons | |
JPS5686910A (en) | Preparation of polybutadiene polymer | |
GB1270362A (en) | Polymerization of conjugated dienes by means of a binary catalyst system | |
JPS5712013A (en) | Polymerization of conjugated diolefin | |
JPS6462340A (en) | Pneumatic tire |