JPS5598204A - Production of maleinized styrene-conjugated diene block-copolymer - Google Patents

Production of maleinized styrene-conjugated diene block-copolymer

Info

Publication number
JPS5598204A
JPS5598204A JP559579A JP559579A JPS5598204A JP S5598204 A JPS5598204 A JP S5598204A JP 559579 A JP559579 A JP 559579A JP 559579 A JP559579 A JP 559579A JP S5598204 A JPS5598204 A JP S5598204A
Authority
JP
Japan
Prior art keywords
copolymer
block
conjugated diene
styrene
amt
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
Application number
JP559579A
Other languages
Japanese (ja)
Inventor
Kazuo Kato
Keiichi Ono
Minoru Handa
Masaki Nakajima
Shinichiro Asai
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Denka Co Ltd
Original Assignee
Denki Kagaku Kogyo KK
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Denki Kagaku Kogyo KK filed Critical Denki Kagaku Kogyo KK
Priority to JP559579A priority Critical patent/JPS5598204A/en
Publication of JPS5598204A publication Critical patent/JPS5598204A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To obtain the title copolymer in high yield for use in paint, etc. by a method wherein a specified styrene-conjugated diene block-copolymer is incorporated in an org. solvent at high concn. and then reacted with maleic anhydride in the presence of an azobis type radical polymn. catalyst.
CONSTITUTION: Styrene-conjugated diene block-copolymer having linear, radial or star structure of formula I, II or III (wherein A is polymer block consisting of a styrene cpd. and has block content more than 80%, B is polymer block consisting of a conjugated diene cpd.; n is 1W20) is incorporated in an amt. of at least 20wt% in an org. solvent such as xylene. An azobis type radical polymn. catalyst such as azobisisobutyronitrile in an amt. of about 0.2W6wt% based on the block-copolymer and maleic anhydride in an amt. of about 1W45% based on the block-copolymer are added to the block copolymer in the org. solvent. The mixt. is heated to about 40W 120°C to obtain the desired maleinized block-copolymer.
COPYRIGHT: (C)1980,JPO&Japio
JP559579A 1979-01-23 1979-01-23 Production of maleinized styrene-conjugated diene block-copolymer Pending JPS5598204A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP559579A JPS5598204A (en) 1979-01-23 1979-01-23 Production of maleinized styrene-conjugated diene block-copolymer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP559579A JPS5598204A (en) 1979-01-23 1979-01-23 Production of maleinized styrene-conjugated diene block-copolymer

Publications (1)

Publication Number Publication Date
JPS5598204A true JPS5598204A (en) 1980-07-26

Family

ID=11615577

Family Applications (1)

Application Number Title Priority Date Filing Date
JP559579A Pending JPS5598204A (en) 1979-01-23 1979-01-23 Production of maleinized styrene-conjugated diene block-copolymer

Country Status (1)

Country Link
JP (1) JPS5598204A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5350291A (en) * 1976-10-18 1978-05-08 Shell Int Research Improver having modified dispersion properties and viscosity index
JPS5483091A (en) * 1977-12-14 1979-07-02 Dainichi Seika Kogyo Kk Preparation of hydrophilic polymer
JPS54146889A (en) * 1978-05-09 1979-11-16 Kuraray Co Ltd Production of block copolymer latex
JPS5513720A (en) * 1978-07-14 1980-01-30 Kureha Chem Ind Co Ltd Thermoplastic adhesive resin and its preparation
JPS5580408A (en) * 1978-12-11 1980-06-17 Kureha Chem Ind Co Ltd Preparation of thermoplastic adhesive resin

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5350291A (en) * 1976-10-18 1978-05-08 Shell Int Research Improver having modified dispersion properties and viscosity index
JPS5483091A (en) * 1977-12-14 1979-07-02 Dainichi Seika Kogyo Kk Preparation of hydrophilic polymer
JPS54146889A (en) * 1978-05-09 1979-11-16 Kuraray Co Ltd Production of block copolymer latex
JPS5513720A (en) * 1978-07-14 1980-01-30 Kureha Chem Ind Co Ltd Thermoplastic adhesive resin and its preparation
JPS5580408A (en) * 1978-12-11 1980-06-17 Kureha Chem Ind Co Ltd Preparation of thermoplastic adhesive resin

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