NL7501642A - PROCESS FOR PREPARING TRANSPARENT OPOLYMERS. - Google Patents

PROCESS FOR PREPARING TRANSPARENT OPOLYMERS.

Info

Publication number
NL7501642A
NL7501642A NL7501642A NL7501642A NL7501642A NL 7501642 A NL7501642 A NL 7501642A NL 7501642 A NL7501642 A NL 7501642A NL 7501642 A NL7501642 A NL 7501642A NL 7501642 A NL7501642 A NL 7501642A
Authority
NL
Netherlands
Prior art keywords
opolymers
preparing transparent
transparent
preparing
transparent opolymers
Prior art date
Application number
NL7501642A
Other languages
Dutch (nl)
Other versions
NL158519B (en
Original Assignee
Sumitomo 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
Priority claimed from JP1801874A external-priority patent/JPS5749567B2/ja
Priority claimed from JP6737774A external-priority patent/JPS50157492A/ja
Application filed by Sumitomo Chemical Co filed Critical Sumitomo Chemical Co
Publication of NL7501642A publication Critical patent/NL7501642A/en
Publication of NL158519B publication Critical patent/NL158519B/en

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)
NL7501642A 1974-02-13 1975-02-12 PROCESS OF PREPARING A TRANSPARENT BLOCK COPOLYMER, AS WELL AS FORMED PRODUCTS, WHOLLY OR PARTIALLY MANUFACTURED FROM THIS COPOLYMER. NL158519B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1801874A JPS5749567B2 (en) 1974-02-13 1974-02-13
JP6737774A JPS50157492A (en) 1974-06-12 1974-06-12

Publications (2)

Publication Number Publication Date
NL7501642A true NL7501642A (en) 1975-08-15
NL158519B NL158519B (en) 1978-11-15

Family

ID=26354626

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7501642A NL158519B (en) 1974-02-13 1975-02-12 PROCESS OF PREPARING A TRANSPARENT BLOCK COPOLYMER, AS WELL AS FORMED PRODUCTS, WHOLLY OR PARTIALLY MANUFACTURED FROM THIS COPOLYMER.

Country Status (6)

Country Link
CA (1) CA1050191A (en)
DE (1) DE2505809C3 (en)
FR (1) FR2260592B1 (en)
GB (1) GB1493675A (en)
IT (1) IT1029707B (en)
NL (1) NL158519B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA878785B (en) * 1986-12-22 1988-05-20 The Firestone Tire & Rubber Company Clear,high impact block copolymers
WO1996025442A1 (en) * 1995-02-14 1996-08-22 The Dow Chemical Company Step process for tapered monovinylidene aromatic monomer conjugated diene block copolymers
US6221968B1 (en) 1999-01-15 2001-04-24 Shell Oil Company Process for producing specific tapered block copolymers
BRPI0513096A (en) * 2004-08-05 2008-04-29 Firestone Polymers Llc single step synthesis of multiblock functional polymer

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB884974A (en) * 1959-05-29 1961-12-20 Exxon Research Engineering Co Block copolymers
US3251905A (en) * 1963-08-05 1966-05-17 Phillips Petroleum Co Method of preparing block copolymers of conjugated dienes and vinyl-substituted aromatic compounds using dilithio catalysts and diluent mixture of hydrocarbon and ether
NL135608C (en) * 1966-11-28
DE2111966B2 (en) * 1971-03-12 1979-03-08 Basf Ag, 6700 Ludwigshafen Continuous process for the production of block copolymers
US3853978A (en) * 1971-10-04 1974-12-10 Denki Kagaku Kogyo Kk For preparing a film of a tapered copolymer of styrene-butadiene or mixtures thereof

Also Published As

Publication number Publication date
DE2505809A1 (en) 1975-08-28
IT1029707B (en) 1979-03-20
NL158519B (en) 1978-11-15
DE2505809B2 (en) 1979-10-25
GB1493675A (en) 1977-11-30
CA1050191A (en) 1979-03-06
FR2260592A1 (en) 1975-09-05
DE2505809C3 (en) 1984-09-06
FR2260592B1 (en) 1977-11-10

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Legal Events

Date Code Title Description
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: SUMITOMO CHEM

V4 Lapsed because of reaching the maxim lifetime of a patent