ES385761A1 - Procedimiento para la obtencion de un cis-1,4-pollisopreno de elevado peso molecular. - Google Patents

Procedimiento para la obtencion de un cis-1,4-pollisopreno de elevado peso molecular.

Info

Publication number
ES385761A1
ES385761A1 ES385761A ES385761A ES385761A1 ES 385761 A1 ES385761 A1 ES 385761A1 ES 385761 A ES385761 A ES 385761A ES 385761 A ES385761 A ES 385761A ES 385761 A1 ES385761 A1 ES 385761A1
Authority
ES
Spain
Prior art keywords
group
alkyl
cycloalkyl
aryl radicals
polyisoprene
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
ES385761A
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.)
JSR Corp
Original Assignee
Japan Synthetic Rubber 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 Japan Synthetic Rubber Co Ltd filed Critical Japan Synthetic Rubber Co Ltd
Publication of ES385761A1 publication Critical patent/ES385761A1/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
    • C08F136/00—Homopolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds
    • C08F136/02—Homopolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds
    • C08F136/04—Homopolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated
    • C08F136/08—Isoprene

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
ES385761A 1969-11-21 1970-11-21 Procedimiento para la obtencion de un cis-1,4-pollisopreno de elevado peso molecular. Expired ES385761A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9351269 1969-11-21

Publications (1)

Publication Number Publication Date
ES385761A1 true ES385761A1 (es) 1973-04-01

Family

ID=14084385

Family Applications (1)

Application Number Title Priority Date Filing Date
ES385761A Expired ES385761A1 (es) 1969-11-21 1970-11-21 Procedimiento para la obtencion de un cis-1,4-pollisopreno de elevado peso molecular.

Country Status (4)

Country Link
US (1) US3709851A (es)
ES (1) ES385761A1 (es)
FR (1) FR2069693A5 (es)
PL (1) PL81252B1 (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1408620A (en) * 1972-12-04 1975-10-01 Shell Int Research Isoprene polymerization and catalyst therefor
DE19512116A1 (de) * 1995-04-04 1996-10-10 Bayer Ag Gasphasenpolymerisation von konjugierten Dienen in Gegenwart von Allylverbindungen der seltenen Erden

Also Published As

Publication number Publication date
DE2057160A1 (de) 1971-05-27
US3709851A (en) 1973-01-09
PL81252B1 (es) 1975-08-30
DE2057160B2 (de) 1972-04-13
FR2069693A5 (es) 1971-09-03

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