CA2060020A1 - Tapered Block Copolymers of Conjugated Dienes and Monovinylarenes - Google Patents

Tapered Block Copolymers of Conjugated Dienes and Monovinylarenes

Info

Publication number
CA2060020A1
CA2060020A1 CA2060020A CA2060020A CA2060020A1 CA 2060020 A1 CA2060020 A1 CA 2060020A1 CA 2060020 A CA2060020 A CA 2060020A CA 2060020 A CA2060020 A CA 2060020A CA 2060020 A1 CA2060020 A1 CA 2060020A1
Authority
CA
Canada
Prior art keywords
tapered block
block copolymers
initiator
monovinylaromatic
monovinylarenes
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.)
Granted
Application number
CA2060020A
Other languages
French (fr)
Other versions
CA2060020C (en
Inventor
William J. Trepka
George A. Moczygemba
Ralph C. Farrar, Jr.
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.)
Phillips Petroleum Co
Original Assignee
Phillips Petroleum 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
Application filed by Phillips Petroleum Co filed Critical Phillips Petroleum Co
Publication of CA2060020A1 publication Critical patent/CA2060020A1/en
Application granted granted Critical
Publication of CA2060020C publication Critical patent/CA2060020C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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

Abstract

A method for preparing tapered block copolymers in a polymerization process by sequentially charging: (1) an initiator and monovinylaromatic monomers in the presence of a randomizer; (2) an initiator and a mixture of monovinylaromatic and conjugated diene monomers; (3) an initiator and a mixture of monovinylaromatic and conjugated diene monomers; and (4) a coupling agent to produce a polymodal tapered block copolymer. The copolymers are particularly useful for packaging applications which require good environmental stress crack resistance.
CA002060020A 1991-05-08 1992-01-28 Tapered block copolymers of conjugated dienes and monovinylarenes Expired - Fee Related CA2060020C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/697,130 1991-05-08
US07/697,130 US5256736A (en) 1991-05-08 1991-05-08 Tapered block copolymers of conjugated dienes and monovinylarenes

Publications (2)

Publication Number Publication Date
CA2060020A1 true CA2060020A1 (en) 1992-11-09
CA2060020C CA2060020C (en) 1996-09-17

Family

ID=24799922

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002060020A Expired - Fee Related CA2060020C (en) 1991-05-08 1992-01-28 Tapered block copolymers of conjugated dienes and monovinylarenes

Country Status (12)

Country Link
US (1) US5256736A (en)
EP (1) EP0512530B1 (en)
JP (1) JP2718593B2 (en)
KR (1) KR0164613B1 (en)
AT (1) ATE139788T1 (en)
CA (1) CA2060020C (en)
DE (1) DE69211767T2 (en)
DK (1) DK0512530T3 (en)
ES (1) ES2089282T3 (en)
GR (1) GR3020724T3 (en)
MX (1) MX9201656A (en)
SG (1) SG85056A1 (en)

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CA2620260A1 (en) 2005-01-26 2006-08-03 The Procter & Gamble Company Disposable pull-on diaper having a low force, slow recovery elastic waist
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US9061900B2 (en) 2005-12-16 2015-06-23 Bridgestone Corporation Combined use of liquid polymer and polymeric nanoparticles for rubber applications
US7538159B2 (en) 2005-12-16 2009-05-26 Bridgestone Corporation Nanoparticles with controlled architecture and method thereof
US7884160B2 (en) 2005-12-19 2011-02-08 Bridgestone Corporation Non-spherical nanoparticles made from living triblock polymer chains
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US7935184B2 (en) 2006-06-19 2011-05-03 Bridgestone Corporation Method of preparing imidazolium surfactants
CN101516779B (en) 2006-07-28 2016-05-04 株式会社普利司通 There is the polymer core-shell nanoparticles of interface zone
US8415429B2 (en) * 2006-12-11 2013-04-09 Chervron Phillips Chemical Company LP Styrene butadiene block copolymers for film applications
US7597959B2 (en) 2006-12-19 2009-10-06 Bridgestone Corporation Core-shell fluorescent nanoparticles
US7649049B2 (en) 2006-12-20 2010-01-19 Bridgestone Corporation Rubber composition containing a polymer nanoparticle
US7829624B2 (en) 2007-06-29 2010-11-09 Bridgestone Corporation One-pot synthesis of nanoparticles and liquid polymer for rubber applications
US8323257B2 (en) 2007-11-21 2012-12-04 The Procter & Gamble Company Absorbent articles comprising a slow recovery stretch laminate and method for making the same
KR101614978B1 (en) 2008-12-31 2016-04-22 가부시키가이샤 브리지스톤 Core-first nanoparticle formation process, nano particle, and composition
US9062144B2 (en) 2009-04-03 2015-06-23 Bridgestone Corporation Hairy polymeric nanoparticles with first and second shell block polymer arms
US9115222B2 (en) 2009-12-29 2015-08-25 Bridgestone Corporation Well defined, highly crosslinked nanoparticles and method for making same
JP5594826B2 (en) * 2010-07-07 2014-09-24 旭化成ケミカルズ株式会社 Block copolymer for plastic cardboard, resin composition for plastic cardboard, and plastic cardboard
US9017305B2 (en) 2010-11-12 2015-04-28 The Procter Gamble Company Elastomeric compositions that resist force loss and disintegration
CN108559288B (en) * 2011-01-30 2020-10-27 戴纳索尔伊莱斯托米罗斯公司 Tapered triblock copolymers
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Also Published As

Publication number Publication date
SG85056A1 (en) 2001-12-19
DE69211767D1 (en) 1996-08-01
ES2089282T3 (en) 1996-10-01
KR0164613B1 (en) 1999-03-20
EP0512530B1 (en) 1996-06-26
ATE139788T1 (en) 1996-07-15
CA2060020C (en) 1996-09-17
DK0512530T3 (en) 1996-07-29
US5256736A (en) 1993-10-26
KR920021611A (en) 1992-12-18
JPH05155951A (en) 1993-06-22
GR3020724T3 (en) 1996-11-30
EP0512530A1 (en) 1992-11-11
JP2718593B2 (en) 1998-02-25
DE69211767T2 (en) 1996-11-07
MX9201656A (en) 1992-11-01

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