CA2640515C - Viscosity breaking process for olefin polymers - Google Patents

Viscosity breaking process for olefin polymers Download PDF

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Publication number
CA2640515C
CA2640515C CA2640515A CA2640515A CA2640515C CA 2640515 C CA2640515 C CA 2640515C CA 2640515 A CA2640515 A CA 2640515A CA 2640515 A CA2640515 A CA 2640515A CA 2640515 C CA2640515 C CA 2640515C
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CA
Canada
Prior art keywords
tert
peroxide
oxyl
bis
butyl
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.)
Active
Application number
CA2640515A
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English (en)
French (fr)
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CA2640515A1 (en
Inventor
David E. Horst
Michael Roth
Peter Nesvadba
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.)
BASF Schweiz AG
Original Assignee
Ciba Holding AG
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 Ciba Holding AG filed Critical Ciba Holding AG
Publication of CA2640515A1 publication Critical patent/CA2640515A1/en
Application granted granted Critical
Publication of CA2640515C publication Critical patent/CA2640515C/en
Active legal-status Critical Current
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Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F8/00Chemical modification by after-treatment
    • C08F8/50Partial depolymerisation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/04Polymers of ethylene
    • B29K2023/06PE, i.e. polyethylene
    • B29K2023/0608PE, i.e. polyethylene characterised by its density
    • B29K2023/0641MDPE, i.e. medium density polyethylene
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/10Polymers of propylene
    • B29K2023/12PP, i.e. polypropylene
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F110/00Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F110/04Monomers containing three or four carbon atoms
    • C08F110/06Propene
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2810/00Chemical modification of a polymer
    • C08F2810/10Chemical modification of a polymer including a reactive processing step which leads, inter alia, to morphological and/or rheological modifications, e.g. visbreaking
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/26Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment
    • C08L2023/40Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment by reaction with compounds changing molecular weight
    • C08L2023/42Depolymerisation, vis-breaking or degradation
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/10Homopolymers or copolymers of propene

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Polymerisation Methods In General (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
CA2640515A 2006-02-24 2007-02-14 Viscosity breaking process for olefin polymers Active CA2640515C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US77657206P 2006-02-24 2006-02-24
US60/776,572 2006-02-24
PCT/EP2007/051407 WO2007096276A1 (en) 2006-02-24 2007-02-14 Viscosity breaking process for olefin polymers

Publications (2)

Publication Number Publication Date
CA2640515A1 CA2640515A1 (en) 2007-08-30
CA2640515C true CA2640515C (en) 2014-06-10

Family

ID=37963757

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2640515A Active CA2640515C (en) 2006-02-24 2007-02-14 Viscosity breaking process for olefin polymers

Country Status (6)

Country Link
US (2) US20070200272A1 (enExample)
EP (1) EP1987070B1 (enExample)
JP (1) JP5260321B2 (enExample)
CN (1) CN101389666B (enExample)
CA (1) CA2640515C (enExample)
WO (1) WO2007096276A1 (enExample)

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EP1907467A1 (en) * 2005-07-07 2008-04-09 Ciba Specialty Chemicals Holding, Inc. Process for the preparation of polyamides in the presence of a phosphonate
CN102365300B (zh) * 2009-03-27 2014-08-27 汉高股份有限及两合公司 含有聚合物体系的粘合剂
BRPI1006343B1 (pt) 2009-04-03 2022-02-01 3M Innovative Properties Company Métodos de preparação de uma manta e de uma manta de eletreto e meio filtrante à base de eletreto
CN102498242B (zh) 2009-04-03 2015-04-01 3M创新有限公司 包含电荷加强添加剂的驻极体料片
EP2421913B1 (en) * 2009-04-21 2017-04-12 BASF Corporation Rotomolding process for polyethylene articles
US9169336B2 (en) 2010-06-28 2015-10-27 Polymers Crc Ltd Modification of propylene polymers
EP2744854A1 (en) * 2011-08-16 2014-06-25 MBA Polymers, Inc. Control of the melt flow rate of polyolefin mixtures recovered from post-consumer durable goods
ES2542608T3 (es) * 2011-12-06 2015-08-07 Borealis Ag Copolímeros de PP para estructuras no tejidas fibrosas sopladas en fusión/de pulpa, con propiedades mecánicas mejoradas y un menor consumo de aire caliente
CN103173240B (zh) * 2011-12-22 2015-05-20 北京低碳清洁能源研究所 煤焦油和/或生物质油与重油的共减粘裂化工艺
KR101384489B1 (ko) 2012-06-28 2014-04-10 롯데케미칼 주식회사 우수한 제립 안정성 및 잠재적 고용융 흐름성을 구비한 폴리프로필렌 수지 조성물
WO2014047589A1 (en) * 2012-09-21 2014-03-27 Northwestern University Peroxy-derivative functionalization of polypropylene via solid-state shear pulverization
WO2015085390A2 (pt) * 2013-12-13 2015-06-18 Braskem S.A. Método de preparação de polipropileno de reologia controlada, polipropileno e seu uso, e artigos de manufatura
BR112016013022A2 (pt) * 2013-12-19 2017-08-08 Dow Global Technologies Llc Processo para preparar um segundo polímero baseado em propileno de um primeiro polímero baseado em propileno
BR112016020830B1 (pt) 2014-03-14 2021-08-17 Milliken & Company Composição de poliolefina heterofásica modificada e método de preparação
CN106133003A (zh) * 2014-03-31 2016-11-16 Sabic环球技术有限责任公司 制造低排放聚丙烯的方法
WO2016085535A1 (en) 2014-11-26 2016-06-02 Milliken & Company Modified heterophasic polyolefin composition
DK3034552T4 (da) * 2014-12-15 2024-09-16 Borealis Ag Synergistic visbreaking-sammensætning af peroxid og hydroxylaminester til øgning af visbreaking-effektivitet
PL3256518T3 (pl) 2015-02-10 2021-12-06 Milliken & Company Termoplastyczne kompozycje polimerowe
BR112017017721B1 (pt) 2015-03-05 2021-10-26 Milliken & Company Composição de poliolefina heterofásica e processo de preparação da mesma
KR101958609B1 (ko) 2015-09-13 2019-07-04 밀리켄 앤드 캄파니 헤테로상 중합체 조성물의 제조 방법
DK3356589T3 (da) 2015-10-02 2021-05-03 Borealis Ag Smelteblæste webs med forbedrede egenskaber
FR3060584B1 (fr) 2016-12-15 2018-12-07 Arkema France Composition a base de peroxyde de dialkyle pour la modification de la rheologie a l'etat fondu du polypropylene
CN109593146A (zh) * 2017-09-30 2019-04-09 中国石化扬子石油化工有限公司 一种溶液聚合后降解工艺
WO2022101682A1 (en) * 2020-11-13 2022-05-19 Braskem S.A. Processing of polyethylene-based compositions and products therefrom

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DE1495285C3 (de) * 1963-03-02 1975-07-03 Chemische Werke Huels Ag, 4370 Marl Verfahren zur Erniedrigung des Molekulargewichts von Polyolefinen
DE1545155A1 (de) * 1964-01-31 1970-01-22 Glanzstoff Ag Verfahren zur Verbesserung der Stabilitaet von Polyolefinen
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US4080364A (en) * 1976-09-27 1978-03-21 Argus Chemical Corporation Stabilization of polyolefins against degradative deterioration as a result of exposure to light and air at elevated temperatures
US4749505A (en) * 1985-07-08 1988-06-07 Exxon Chemical Patents Inc. Olefin polymer viscosity index improver additive useful in oil compositions
CN1040544C (zh) * 1992-03-03 1998-11-04 贾玉良 一种再生塑料
US5530073A (en) * 1995-06-30 1996-06-25 Amoco Corporation Process for increased peroxide efficiency in controlled rheology polypropylene resin
US6306509B2 (en) * 1996-03-21 2001-10-23 Showa Denko K.K. Ion conductive laminate and production method and use thereof
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US5834541A (en) * 1997-05-02 1998-11-10 Montell North America Inc. Olefin polymer composition having low smoke generation and fiber and film prepared therefrom
US6165563A (en) * 1998-11-12 2000-12-26 National Starch And Chemical Investment Holding Corporation Radiation curable free radically polymerized star-branched polymers
US6583076B1 (en) * 1999-01-08 2003-06-24 Kimberly-Clark Worldwide, Inc. Nonwoven fabrics prepared using visbroken single-site catalyzed polypropylene
FR2792321B1 (fr) * 1999-04-19 2003-12-12 Atochem Elf Sa Procede de fabrication d'une resine de polypropylene a rheologie controlee
US7030196B2 (en) * 2000-05-19 2006-04-18 Ciba Specialty Chemicals Corporation Process for reducing the molecular weight of polypropylene
AU1153502A (en) * 2000-10-11 2002-04-22 Aristech Chemical Corp Polypropylene materials with high melt flow rate and good molding characteristics and methods of making
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US20060094636A1 (en) * 2004-11-01 2006-05-04 National Starch And Chemical Investment Holding Corp. Hydrophobically modified polymers

Also Published As

Publication number Publication date
EP1987070B1 (en) 2019-04-10
WO2007096276A1 (en) 2007-08-30
US20130245203A1 (en) 2013-09-19
JP5260321B2 (ja) 2013-08-14
CN101389666B (zh) 2011-09-28
US8618224B2 (en) 2013-12-31
US20070200272A1 (en) 2007-08-30
CA2640515A1 (en) 2007-08-30
JP2009527608A (ja) 2009-07-30
EP1987070A1 (en) 2008-11-05
CN101389666A (zh) 2009-03-18

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