AR018748A1 - Iniciadores de polimerizacion anionicos de dienos; polimeros macroramificados formados por la polimerizacion anionica de dienos con dichos iniciadores ymetodo de polimerizacion de dienos utilizando dichos iniciadores. - Google Patents

Iniciadores de polimerizacion anionicos de dienos; polimeros macroramificados formados por la polimerizacion anionica de dienos con dichos iniciadores ymetodo de polimerizacion de dienos utilizando dichos iniciadores.

Info

Publication number
AR018748A1
AR018748A1 ARP990101094A ARP990101094A AR018748A1 AR 018748 A1 AR018748 A1 AR 018748A1 AR P990101094 A ARP990101094 A AR P990101094A AR P990101094 A ARP990101094 A AR P990101094A AR 018748 A1 AR018748 A1 AR 018748A1
Authority
AR
Argentina
Prior art keywords
initiators
particle
anionic polymerization
diens
molecular weight
Prior art date
Application number
ARP990101094A
Other languages
English (en)
Original Assignee
Bridgestone Corp
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 Bridgestone Corp filed Critical Bridgestone Corp
Publication of AR018748A1 publication Critical patent/AR018748A1/es

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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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C1/00—Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
    • 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
    • C08F4/02—Carriers therefor
    • C08F4/027—Polymers
    • 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
    • C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • C08F4/46—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides selected from alkali metals
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction 
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T152/00—Resilient tires and wheels
    • Y10T152/10—Tires, resilient

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polymerization Catalysts (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Tires In General (AREA)
  • Polymerisation Methods In General (AREA)
  • Graft Or Block Polymers (AREA)

Abstract

Se trata de iniciadores de polimerizacion anionicos solidos soportados novedosos que están multiplemente metalados con átomos de metal alcalinosde grupos IA son proporcionados y empleados para reducir polímeros de dieno ramificados de peso molecularextremadamente altos. Los iniciadoresson preparados por medio de metalar una partícula que comprende un polímero termoplástico o un elastomero curado en la presencia de un coordinadorpolar. Los polímeros obtenidos por polimerizacion anionica empleando los iniciadores están multiplemente modificados con una cadena de polímerocovalentemente ligada a la partícula en virtualmente cualquier posicion de metalacion. Los polímeros macroramificados exhiben propiedades deseables,tales como un peso molecular extremadamente altos, una distribucion de peso molecular controlada, un valor de Tg y un contenido de vinilo, y lacapacidad de absorber rápidamente solventes de hidrocarburos y aceites. Específicamente dichos iniciadores tienen la formula : P (Me)n, donde Pes una partícula metalable que tiene un diámetro de aproximadamente 1 micron a 1000 micrones que comprende un polímero termoplástico o unelastomero curado; Me es un átomo de metal alcalino del grupo IA covalentemente ligado a la partícula,y n es un numero entero igual a o mayor a 3.
ARP990101094A 1998-03-13 1999-03-12 Iniciadores de polimerizacion anionicos de dienos; polimeros macroramificados formados por la polimerizacion anionica de dienos con dichos iniciadores ymetodo de polimerizacion de dienos utilizando dichos iniciadores. AR018748A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/042,096 US6136914A (en) 1998-03-13 1998-03-13 Anionic polymerization initiators for preparing macro-branched diene rubbers

Publications (1)

Publication Number Publication Date
AR018748A1 true AR018748A1 (es) 2001-12-12

Family

ID=21920025

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP990101094A AR018748A1 (es) 1998-03-13 1999-03-12 Iniciadores de polimerizacion anionicos de dienos; polimeros macroramificados formados por la polimerizacion anionica de dienos con dichos iniciadores ymetodo de polimerizacion de dienos utilizando dichos iniciadores.

Country Status (6)

Country Link
US (3) US6136914A (es)
EP (1) EP0942004A3 (es)
JP (1) JPH11315108A (es)
AR (1) AR018748A1 (es)
BR (1) BR9902331A (es)
CA (1) CA2265238A1 (es)

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Also Published As

Publication number Publication date
EP0942004A3 (en) 2001-11-07
US20010029278A1 (en) 2001-10-11
CA2265238A1 (en) 1999-09-13
BR9902331A (pt) 2000-05-02
EP0942004A2 (en) 1999-09-15
US6136914A (en) 2000-10-24
JPH11315108A (ja) 1999-11-16
US6271314B1 (en) 2001-08-07
US6384150B2 (en) 2002-05-07

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