JPS6479212A - Modified block copolymer - Google Patents
Modified block copolymerInfo
- Publication number
- JPS6479212A JPS6479212A JP20193888A JP20193888A JPS6479212A JP S6479212 A JPS6479212 A JP S6479212A JP 20193888 A JP20193888 A JP 20193888A JP 20193888 A JP20193888 A JP 20193888A JP S6479212 A JPS6479212 A JP S6479212A
- Authority
- JP
- Japan
- Prior art keywords
- compd
- block copolymer
- polymer blocks
- preferable
- contg
- 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
Landscapes
- Graft Or Block Polymers (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
PURPOSE:To obtain a modified block copolymer being capable of forming a molding material suitable for combining a styrene polymer therewith, by combining a molecular unit contg. a carboxylic acid group with a block copolymer consisting of vinyl arom. compd. polymer blocks and olefin compd. polymer blocks and having a low degree of unsaturation. CONSTITUTION:This modified block copolymer is prepf. from at least two vinyl arom. compd. polymer blocks A and at least one olefin compd. polymer blocks B whose degree of unsaturation is less than 20% and molecular units contg. 0.05-20pts.wt. dicarboxylic acid or its deriv. group are combined with the block copolymer wherein the content of the vinyl arom. compd. is 10-90wt.% and whose no.-average MW is 20,000-500,000 based on 100pts.wt. above-described block copolymer. Styrene is preferable as the vinyl arom. compd. butadiene and/or isoprene are preferable as the olefin compd. and maleic anhydride is preferable as the dicarboxylic acid group or its deriv.-contg. compd.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20193888A JPS6479212A (en) | 1981-08-24 | 1988-08-15 | Modified block copolymer |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13164981A JPS5834839A (en) | 1981-08-24 | 1981-08-24 | Thermoplastic polymer composition |
JP20193888A JPS6479212A (en) | 1981-08-24 | 1988-08-15 | Modified block copolymer |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6479212A true JPS6479212A (en) | 1989-03-24 |
Family
ID=26466422
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP20193888A Pending JPS6479212A (en) | 1981-08-24 | 1988-08-15 | Modified block copolymer |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6479212A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5649362A (en) * | 1993-06-08 | 1997-07-22 | Hitachi Metals, Ltd. | Permanent magnet member and method of producing same |
JP2002114818A (en) * | 2000-10-10 | 2002-04-16 | Nippon Unicar Co Ltd | Composition for functional group-containing compound modified olefin-based resin and method for producing modified olefin-based resin using the same |
JP5263480B2 (en) * | 2005-12-14 | 2013-08-14 | 株式会社クラレ | Block copolymer and hydrogenated product thereof |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0215569A (en) * | 1988-07-04 | 1990-01-19 | Fuji Electric Co Ltd | Grounding detection circuit of fuel cell |
-
1988
- 1988-08-15 JP JP20193888A patent/JPS6479212A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0215569A (en) * | 1988-07-04 | 1990-01-19 | Fuji Electric Co Ltd | Grounding detection circuit of fuel cell |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5649362A (en) * | 1993-06-08 | 1997-07-22 | Hitachi Metals, Ltd. | Permanent magnet member and method of producing same |
JP2002114818A (en) * | 2000-10-10 | 2002-04-16 | Nippon Unicar Co Ltd | Composition for functional group-containing compound modified olefin-based resin and method for producing modified olefin-based resin using the same |
JP5263480B2 (en) * | 2005-12-14 | 2013-08-14 | 株式会社クラレ | Block copolymer and hydrogenated product thereof |
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