JPH0446966B2 - - Google Patents

Info

Publication number
JPH0446966B2
JPH0446966B2 JP58042523A JP4252383A JPH0446966B2 JP H0446966 B2 JPH0446966 B2 JP H0446966B2 JP 58042523 A JP58042523 A JP 58042523A JP 4252383 A JP4252383 A JP 4252383A JP H0446966 B2 JPH0446966 B2 JP H0446966B2
Authority
JP
Japan
Prior art keywords
methylstyrene
styrene
block
copolymer
weight
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.)
Expired - Lifetime
Application number
JP58042523A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59170111A (ja
Inventor
Ho Tangu Ru
Waiiesu Ro Gureisu
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.)
Dow Chemical Co
Original Assignee
Dow Chemical Co
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 Dow Chemical Co filed Critical Dow Chemical Co
Publication of JPS59170111A publication Critical patent/JPS59170111A/ja
Publication of JPH0446966B2 publication Critical patent/JPH0446966B2/ja
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F297/00—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer
    • C08F297/02—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type
    • C08F297/04—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type polymerising vinyl aromatic monomers and conjugated dienes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Graft Or Block Polymers (AREA)
JP4252383A 1981-03-27 1983-03-16 ジエン−スチレン−α−メチルスチレンブロツクポリマ−およびそれからのポリマ−の製法 Granted JPS59170111A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US24862381A 1981-03-27 1981-03-27

Publications (2)

Publication Number Publication Date
JPS59170111A JPS59170111A (ja) 1984-09-26
JPH0446966B2 true JPH0446966B2 (en:Method) 1992-07-31

Family

ID=22939925

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4252383A Granted JPS59170111A (ja) 1981-03-27 1983-03-16 ジエン−スチレン−α−メチルスチレンブロツクポリマ−およびそれからのポリマ−の製法

Country Status (4)

Country Link
EP (1) EP0118572A1 (en:Method)
JP (1) JPS59170111A (en:Method)
AU (1) AU569998B2 (en:Method)
CA (1) CA1220588A (en:Method)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1248672A (en) * 1983-08-22 1989-01-10 The Dow Chemical Company Process for preparation of copolymers of isopropenyl aromatic monomer and vinyl aromatic monomer
US5013790A (en) * 1989-07-05 1991-05-07 The Dow Chemical Company Polymer blends of tapered styrene-butadiene triblock thermoplastic elastomers
JP4647052B2 (ja) * 1999-12-22 2011-03-09 株式会社クラレ α−メチルスチレン系ブロック共重合体の製造方法
BRPI0709865B1 (pt) * 2006-03-24 2018-05-29 Kraton Polymers U.S. Llc Processo para a preparação de copolímeros em bloco, copolímero em bloco, e, composição elastomérica
JP5168460B2 (ja) * 2007-09-28 2013-03-21 株式会社クラレ ブロック共重合体及びその製造方法
KR20140146110A (ko) * 2012-03-27 2014-12-24 덴끼 가가꾸 고교 가부시키가이샤 광학용 성형체

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE747591A (fr) * 1969-04-01 1970-09-21 Shell Int Research Blokcopolymeren met eindstandige statistische copolymeerblokkenvan styreen en alfa-methylstyreen
US3912793A (en) * 1972-09-29 1975-10-14 Denki Kagaku Kogyo Kk Block copolymers and process for the preparation thereof
NL7406783A (nl) * 1974-05-21 1975-11-25 Philips Nv Werkwijze voor het aanbrengen van een draad- verbinding aan een halfgeleiderinrichting.
AU531503B2 (en) * 1979-02-15 1983-08-25 Dow Chemical Company, The Block copolymers
EP0014947B1 (en) * 1979-02-15 1985-09-18 The Dow Chemical Company Block copolymers of diene having their terminal end blocks of a random copolymer of styrene or alkylstyrene and an alpha-methylstyrene, and their preparation
JPS5941655B2 (ja) * 1979-02-15 1984-10-08 ザ ダウ ケミカル カンパニ− スチレンまたはアルキルスチレンとα−メチルスチレンのランダム共重合体を末端ブロツクとして有するジエンのブロツク共重合体
EP0045816A1 (en) * 1979-05-04 1982-02-17 Phillips Petroleum Company Copolymer of alpha-methylstyrene and diene and process for making same
EP0083168B1 (en) * 1981-12-28 1986-09-03 Mobil Oil Corporation P-methylstyrene-conjugated diene-styrene block copolymers and blends thereof with polystyrene, poly(p-methylstyrene) and copolymers thereof

Also Published As

Publication number Publication date
AU1205983A (en) 1984-09-06
EP0118572A1 (en) 1984-09-19
CA1220588A (en) 1987-04-14
AU569998B2 (en) 1988-03-03
JPS59170111A (ja) 1984-09-26

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