EG18394A - Molecular weight modifier for use with lanthanide and actinide catalysts - Google Patents

Molecular weight modifier for use with lanthanide and actinide catalysts

Info

Publication number
EG18394A
EG18394A EG212/87A EG21287A EG18394A EG 18394 A EG18394 A EG 18394A EG 212/87 A EG212/87 A EG 212/87A EG 21287 A EG21287 A EG 21287A EG 18394 A EG18394 A EG 18394A
Authority
EG
Egypt
Prior art keywords
lanthanide
molecular weight
weight modifier
actinide catalysts
actinide
Prior art date
Application number
EG212/87A
Other languages
English (en)
Original Assignee
Enichem Elastomers
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 Enichem Elastomers filed Critical Enichem Elastomers
Application granted granted Critical
Publication of EG18394A publication Critical patent/EG18394A/xx

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
    • C08F4/00—Polymerisation catalysts
    • 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
    • C08F36/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds
    • C08F36/02—Homopolymers and copolymers 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
    • C08F36/04—Homopolymers and copolymers 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polymerization Catalysts (AREA)
EG212/87A 1986-04-16 1987-04-14 Molecular weight modifier for use with lanthanide and actinide catalysts EG18394A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/852,678 US4663405A (en) 1986-04-16 1986-04-16 Molecular weight modifier for use with lanthanide and actinide catalysts

Publications (1)

Publication Number Publication Date
EG18394A true EG18394A (en) 1992-10-30

Family

ID=25313956

Family Applications (1)

Application Number Title Priority Date Filing Date
EG212/87A EG18394A (en) 1986-04-16 1987-04-14 Molecular weight modifier for use with lanthanide and actinide catalysts

Country Status (20)

Country Link
US (1) US4663405A (enEXAMPLES)
EP (1) EP0241996B1 (enEXAMPLES)
JP (1) JP2536750B2 (enEXAMPLES)
KR (1) KR870010087A (enEXAMPLES)
CN (1) CN1030704C (enEXAMPLES)
AU (1) AU593631B2 (enEXAMPLES)
BR (1) BR8702191A (enEXAMPLES)
CA (1) CA1281495C (enEXAMPLES)
CS (1) CS273635B2 (enEXAMPLES)
DD (1) DD272095A5 (enEXAMPLES)
DE (1) DE3788366T2 (enEXAMPLES)
EG (1) EG18394A (enEXAMPLES)
ES (1) ES2046983T3 (enEXAMPLES)
IE (1) IE61801B1 (enEXAMPLES)
IN (1) IN169484B (enEXAMPLES)
MX (1) MX164537B (enEXAMPLES)
PL (1) PL148420B1 (enEXAMPLES)
PT (1) PT84717B (enEXAMPLES)
TR (1) TR24303A (enEXAMPLES)
ZA (1) ZA872506B (enEXAMPLES)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD296496A5 (de) * 1990-07-12 1991-12-05 Buna Ag,De Katalysatorsystem fuer die loesungsmittelfreie polymerisation von 1,3-dienen zu polydienen
CA2058383A1 (en) * 1991-05-17 1992-11-18 Ted M. Pettijohn Olefin polymerization
US5405815A (en) * 1993-06-17 1995-04-11 The Goodyear Tire & Rubber Company Process for preparing a catalyst system useful in the synthesis of isoprene-butadiene rubber
IT1273753B (it) * 1994-02-11 1997-07-10 Eniriceche Spa Sistema catalitico e processo per la produzione di polidiolefine
US6001478A (en) * 1997-08-08 1999-12-14 Union Carbide Chemicals & Plastics Technology Corporation Resin particle produced by diene polymerization with rare earth and transition metal catalysts
DE19806931A1 (de) * 1998-02-19 1999-08-26 Bayer Ag Verfahren zur Herstellung von Polydienen mit geregelter Mooney-Viskosität
US6479601B1 (en) 1999-08-06 2002-11-12 The Goodyear Tire & Rubber Company Transition metal catalysts for diene polymerizations
EP1401570B1 (en) 2001-06-13 2007-08-15 BETA Technologie AG Bulk polymerization reactors and methods for polymerization
US9226876B2 (en) * 2001-10-19 2016-01-05 The Goodyear Tire & Rubber Company Rubber for baby bottle nipples, pacifiers, and syringe plungers
US6871751B2 (en) * 2001-10-19 2005-03-29 The Goodyear Tire & Rubber Company Rubber for baby bottle nipples, pacifiers, & syringe plungers
US7022783B2 (en) * 2001-12-31 2006-04-04 The Goodyear Tire & Rubber Company Group III-B metal catalyst system
US6780948B2 (en) 2002-03-28 2004-08-24 The Goodyear Tire & Rubber Company Synthesis of polyisoprene with neodymium catalyst
US7091150B2 (en) * 2003-12-19 2006-08-15 The Goodyear Tire & Rubber Company Synthetic polyisoprene rubber
US7741418B2 (en) * 2007-12-31 2010-06-22 Bridgestone Corporation Process for producing polydienes
US7825201B2 (en) * 2007-12-31 2010-11-02 Bridgestone Corporation Process for producing polydienes
US8623975B2 (en) 2009-06-24 2014-01-07 Bridgestone Corporation Process for producing polydienes
CN102234342B (zh) * 2010-04-30 2013-03-06 青岛伊科思新材料股份有限公司 应用于异戊橡胶生产的稀土催化剂的制备方法
US9000107B2 (en) 2011-01-31 2015-04-07 Bridgestone Corporation Process for producing polydienes
RU2523799C1 (ru) 2011-12-20 2014-07-27 Чайна Петролеум Энд Кемикал Корпорейшн Добавка и способ для обрыва полимеризации и/или снижения вязкости раствора полимера
WO2013130522A1 (en) 2012-02-27 2013-09-06 Bridgestone Corporation Processes for the preparation of high-cis polydienes
CN103360414A (zh) * 2012-03-30 2013-10-23 青岛伊科思新材料股份有限公司 喹啉类稀土配合物、催化剂和聚合方法
US8598286B1 (en) 2012-11-05 2013-12-03 The Goodyear Tire & Rubber Company High cis diene/phenylbutadiene copolymers prepared using a Ziegler/Natta neodymium catalyst
EP2889157B1 (en) 2013-12-19 2019-05-01 The Goodyear Tire & Rubber Company Tire having tread with tread groove-containing rubber block joining the tire carcass with the tread cap
US9757986B2 (en) 2013-12-19 2017-09-12 The Goodyear Tire & Rubber Company Tire having tread with tread groove-containing rubber block joining the tire carcass and extending through a tread base into a tread cap
US20150174969A1 (en) 2013-12-19 2015-06-25 The Goodyear Tire & Rubber Company Tire with heat transfer rubber conduit
US11124589B2 (en) 2014-10-10 2021-09-21 Bridgestone Corporation Polymerization catalyst composition and method of employing same
US20160200899A1 (en) 2015-01-13 2016-07-14 The Goodyear Tire & Rubber Company Tire with tread intended for both on and off-the-road service
WO2016123370A1 (en) 2015-01-28 2016-08-04 Bridgestone Corporation Cis-1,4-polydienes with improved cold flow resistance
US10774162B2 (en) 2015-01-28 2020-09-15 Bridgestone Corporation Aged lanthanide-based catalyst systems and their use in the preparation of cis-1,4-polydienes
US10202474B2 (en) 2015-09-11 2019-02-12 Bridgestone Corporation Process for producing polydienes
US10730985B2 (en) 2016-12-19 2020-08-04 Bridgestone Corporation Functionalized polymer, process for preparing and rubber compositions containing the functionalized polymer
EP3724244B1 (en) 2017-12-15 2024-02-21 Bridgestone Corporation Functionalized polymer, process for preparing and rubber compositions containing the functionalized polymer
WO2019133633A1 (en) 2017-12-30 2019-07-04 Bridgestone Corporation Composition including multiple terminally functionalized polymers
JP7238154B2 (ja) 2019-03-10 2023-03-13 株式会社ブリヂストン 変性高シスポリジエンポリマー、関連する方法及びゴム組成物
US11767388B1 (en) 2019-09-18 2023-09-26 The Goodyear Tire & Rubber Company Silicon-functionalized rubber
EP3838932B1 (en) 2019-12-20 2022-08-10 The Goodyear Tire & Rubber Company Synthesis of isoprene-butadiene copolymer rubbers
US11584808B2 (en) 2019-12-30 2023-02-21 Bridgestone Corporation Polymerization catalyst composition and method of employing same

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3585178A (en) * 1968-11-13 1971-06-15 Japanese Geon Co Ltd Process for the preparation of cis-1,4-isoprene polymer
GB1313426A (en) * 1969-05-31 1973-04-11 Japan Synthetic Rubber Co Ltd Process for producing conjugated diolefinic polymers
US3846388A (en) * 1970-03-10 1974-11-05 Bridgestone Tire Co Ltd Copolymer of a conjugated diolefin and vinyl chloride and manufacturing process therefor
DE2625390A1 (de) * 1976-06-05 1977-12-15 Bayer Ag Uranhaltige mischkatalysatoren sowie deren verwendung zur polymerisation von olefinen
DE2830080A1 (de) * 1978-07-08 1980-01-17 Bayer Ag Katalysator, dessen herstellung und verwendung zur loesungspolymerisation von butadien
DE2848964A1 (de) * 1978-11-11 1980-05-22 Bayer Ag Katalysator, dessen herstellung und verwendung zur loesungspolymerisation von butadien
JPS5945337A (ja) * 1982-09-07 1984-03-14 Japan Synthetic Rubber Co Ltd 生強度の改良されたポリブタジエンゴム組成物

Also Published As

Publication number Publication date
PL265208A1 (en) 1988-05-26
CA1281495C (en) 1991-03-12
IE870982L (en) 1987-10-16
US4663405A (en) 1987-05-05
JPS62295911A (ja) 1987-12-23
MX164537B (es) 1992-08-25
ZA872506B (en) 1987-11-25
CN1030704C (zh) 1996-01-17
CN87103699A (zh) 1988-09-21
BR8702191A (pt) 1988-02-17
AU593631B2 (en) 1990-02-15
JP2536750B2 (ja) 1996-09-18
EP0241996A2 (en) 1987-10-21
IN169484B (enEXAMPLES) 1991-10-26
KR870010087A (ko) 1987-11-30
CS273635B2 (en) 1991-03-12
AU7135687A (en) 1987-10-22
DE3788366T2 (de) 1994-06-01
PL148420B1 (en) 1989-10-31
TR24303A (tr) 1991-08-01
DE3788366D1 (de) 1994-01-20
EP0241996A3 (en) 1990-04-25
IE61801B1 (en) 1994-11-30
PT84717B (pt) 1989-12-29
EP0241996B1 (en) 1993-12-08
DD272095A5 (de) 1989-09-27
ES2046983T3 (es) 1994-02-16
PT84717A (en) 1987-05-01
CS274387A2 (en) 1990-08-14

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