GB1378915A - Process for producing a block copolymer - Google Patents

Process for producing a block copolymer

Info

Publication number
GB1378915A
GB1378915A GB4046872A GB4046872A GB1378915A GB 1378915 A GB1378915 A GB 1378915A GB 4046872 A GB4046872 A GB 4046872A GB 4046872 A GB4046872 A GB 4046872A GB 1378915 A GB1378915 A GB 1378915A
Authority
GB
United Kingdom
Prior art keywords
iii
stage
aromatic hydrocarbon
addition
alkenyl aromatic
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
Application number
GB4046872A
Other languages
English (en)
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.)
Sumitomo Chemical Co Ltd
Original Assignee
Sumitomo Chemical Co Ltd
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 Sumitomo Chemical Co Ltd filed Critical Sumitomo Chemical Co Ltd
Publication of GB1378915A publication Critical patent/GB1378915A/en
Expired 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)
  • Polymerization Catalysts (AREA)
GB4046872A 1971-08-31 1972-08-31 Process for producing a block copolymer Expired GB1378915A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP46067308A JPS4945309B2 (https=) 1971-08-31 1971-08-31

Publications (1)

Publication Number Publication Date
GB1378915A true GB1378915A (en) 1974-12-27

Family

ID=13341238

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4046872A Expired GB1378915A (en) 1971-08-31 1972-08-31 Process for producing a block copolymer

Country Status (7)

Country Link
US (1) US3819767A (https=)
JP (1) JPS4945309B2 (https=)
CA (1) CA1002680A (https=)
DE (1) DE2242333C2 (https=)
FR (1) FR2150990B1 (https=)
GB (1) GB1378915A (https=)
NL (1) NL152880B (https=)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4097557A (en) * 1973-08-06 1978-06-27 The Goodyear Tire & Rubber Company Method of preparing block polymers
US4208356A (en) * 1974-09-17 1980-06-17 Asahi Kasei Kogyo Kabushiki Kaisha Process for producing mixture of block copolymers
US4126662A (en) * 1975-10-09 1978-11-21 Phillips Petroleum Co., Inc. Method for limiting gloss of injection moldable polymers
DE3045807A1 (de) * 1980-12-05 1982-07-22 Bergwerksverband Gmbh, 4300 Essen Poly-2-isopropenylnapththalin-poly-butadien-1,3-blockcopolymere und verfahren zu ihrer herstellung
TW283152B (https=) * 1993-11-18 1996-08-11 Shell Internat Res Schappej Bv
US20030065099A1 (en) * 2001-09-14 2003-04-03 Hahn Stephen F. Block copolymers containing hydrogenated vinyl aromatic/(alpha-alkylstyrene) copolymer blocks

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL288289A (https=) * 1962-01-29
US3366611A (en) * 1965-01-06 1968-01-30 Phillips Petroleum Co Preparation of random copolymers
GB1189767A (en) * 1967-04-01 1970-04-29 Polymer Corp Block Copolymers and their preparation
CA862830A (en) * 1967-04-01 1971-02-02 Polymer Corporation Limited Block copolymer compositions, and processes for their preparation

Also Published As

Publication number Publication date
DE2242333A1 (de) 1973-03-15
FR2150990A1 (https=) 1973-04-13
US3819767A (en) 1974-06-25
JPS4945309B2 (https=) 1974-12-03
NL7211885A (https=) 1973-03-02
FR2150990B1 (https=) 1978-02-24
JPS4832192A (https=) 1973-04-27
DE2242333C2 (de) 1981-09-24
CA1002680A (en) 1976-12-28
NL152880B (nl) 1977-04-15

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee