ES441031A1 - Procedimiento para preparar una mezcla copolimerica en blo- que de un dieno conjugado y un hidrocarburo vinilaromatico. - Google Patents

Procedimiento para preparar una mezcla copolimerica en blo- que de un dieno conjugado y un hidrocarburo vinilaromatico.

Info

Publication number
ES441031A1
ES441031A1 ES441031A ES441031A ES441031A1 ES 441031 A1 ES441031 A1 ES 441031A1 ES 441031 A ES441031 A ES 441031A ES 441031 A ES441031 A ES 441031A ES 441031 A1 ES441031 A1 ES 441031A1
Authority
ES
Spain
Prior art keywords
ratio
weight
block copolymer
catalyst
polymer
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
ES441031A
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.)
Asahi Kasei Corp
Asahi Chemical Industry Co Ltd
Original Assignee
Asahi Chemical Industry Co Ltd
Asahi Kasei 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
Priority claimed from JP49105970A external-priority patent/JPS5810413B2/ja
Priority claimed from JP2706475A external-priority patent/JPS51103188A/ja
Application filed by Asahi Chemical Industry Co Ltd, Asahi Kasei Kogyo KK filed Critical Asahi Chemical Industry Co Ltd
Publication of ES441031A1 publication Critical patent/ES441031A1/es
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
    • C08F297/044—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 using a coupling agent

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)
ES441031A 1974-09-17 1975-09-17 Procedimiento para preparar una mezcla copolimerica en blo- que de un dieno conjugado y un hidrocarburo vinilaromatico. Expired ES441031A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP49105970A JPS5810413B2 (ja) 1974-09-17 1974-09-17 シンキナジユウゴウタイブンサンエキ ノ セイゾウホウホウ
JP2706475A JPS51103188A (ja) 1975-03-07 1975-03-07 Burotsukukyojugotaikongobutsunoseizohoho

Publications (1)

Publication Number Publication Date
ES441031A1 true ES441031A1 (es) 1977-05-16

Family

ID=26364943

Family Applications (1)

Application Number Title Priority Date Filing Date
ES441031A Expired ES441031A1 (es) 1974-09-17 1975-09-17 Procedimiento para preparar una mezcla copolimerica en blo- que de un dieno conjugado y un hidrocarburo vinilaromatico.

Country Status (7)

Country Link
US (2) US4208356A (es)
BR (1) BR7505952A (es)
DE (1) DE2541511C2 (es)
ES (1) ES441031A1 (es)
FR (1) FR2285433A1 (es)
GB (1) GB1515928A (es)
IT (1) IT1042589B (es)

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Also Published As

Publication number Publication date
FR2285433A1 (fr) 1976-04-16
DE2541511A1 (de) 1976-03-25
IT1042589B (it) 1980-01-30
BR7505952A (pt) 1976-08-03
US4423190A (en) 1983-12-27
DE2541511C2 (de) 1982-06-03
FR2285433B1 (es) 1979-06-15
AU8443775A (en) 1977-03-10
US4208356A (en) 1980-06-17
GB1515928A (en) 1978-06-28

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19950211