JPS5712013A - Polymerization of conjugated diolefin - Google Patents
Polymerization of conjugated diolefinInfo
- Publication number
- JPS5712013A JPS5712013A JP8640280A JP8640280A JPS5712013A JP S5712013 A JPS5712013 A JP S5712013A JP 8640280 A JP8640280 A JP 8640280A JP 8640280 A JP8640280 A JP 8640280A JP S5712013 A JPS5712013 A JP S5712013A
- Authority
- JP
- Japan
- Prior art keywords
- catalyst
- conjugated diolefin
- transfer agent
- chain transfer
- amount
- 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.)
- Granted
Links
Landscapes
- Polymerisation Methods In General (AREA)
- Polymerization Catalysts (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
PURPOSE: To produce a liquid or semisolid low polymer having olefin residue at its terminal, by using an olefin compd. as a chain transfer agent in a process for the polymn. of a conjugated diolefin using an (org.) alkali metal as a catalyst.
CONSTITUTION: An olefin compd. of the formula (wherein R1WR4 are each H, a 1W20C alkyl, aralkyl) sucu as propylene or butene is used as a chain transfer agent. A catalyst [an (org.)alkali metal] in an amount of 0.01W1mol/l based on the whole amount of polymn. mixture and said chain transfer agent in an amount of 3W 100mol per mol of the catalyst, are added to a 4W10C conjugated diolefin (e.g. butadiene). The diolefin is polymerized at 0W150°C to produce the desired polymer having a number-average MW of 200W10,000.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8640280A JPS5712013A (en) | 1980-06-25 | 1980-06-25 | Polymerization of conjugated diolefin |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8640280A JPS5712013A (en) | 1980-06-25 | 1980-06-25 | Polymerization of conjugated diolefin |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5712013A true JPS5712013A (en) | 1982-01-21 |
JPH0155285B2 JPH0155285B2 (en) | 1989-11-24 |
Family
ID=13885865
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8640280A Granted JPS5712013A (en) | 1980-06-25 | 1980-06-25 | Polymerization of conjugated diolefin |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5712013A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5968128U (en) * | 1982-10-29 | 1984-05-09 | いすゞ自動車株式会社 | Combustion chamber structure of direct injection diesel engine |
JPS59148424U (en) * | 1983-03-25 | 1984-10-04 | 三菱自動車工業株式会社 | Engine combustion chamber structure |
JPS59150942U (en) * | 1983-03-28 | 1984-10-09 | 日産自動車株式会社 | Combustion chamber of direct injection diesel engine |
-
1980
- 1980-06-25 JP JP8640280A patent/JPS5712013A/en active Granted
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5968128U (en) * | 1982-10-29 | 1984-05-09 | いすゞ自動車株式会社 | Combustion chamber structure of direct injection diesel engine |
JPS6332910Y2 (en) * | 1982-10-29 | 1988-09-02 | ||
JPS59148424U (en) * | 1983-03-25 | 1984-10-04 | 三菱自動車工業株式会社 | Engine combustion chamber structure |
JPS6321691Y2 (en) * | 1983-03-25 | 1988-06-15 | ||
JPS59150942U (en) * | 1983-03-28 | 1984-10-09 | 日産自動車株式会社 | Combustion chamber of direct injection diesel engine |
Also Published As
Publication number | Publication date |
---|---|
JPH0155285B2 (en) | 1989-11-24 |
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