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
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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

    • 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
    • C08F8/00—Chemical modification by after-treatment
    • C08F8/50—Partial depolymerisation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING 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
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/04—Polymers of ethylene
    • B29K2023/06—PE, i.e. polyethylene
    • B29K2023/0608—PE, i.e. polyethylene characterised by its density
    • B29K2023/0641—MDPE, i.e. medium density polyethylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING 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
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/10—Polymers of propylene
    • B29K2023/12—PP, i.e. polypropylene
    • 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
    • C08F110/00—Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F110/04—Monomers containing three or four carbon atoms
    • C08F110/06—Propene
    • 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
    • C08F2810/00—Chemical modification of a polymer
    • C08F2810/10—Chemical modification of a polymer including a reactive processing step which leads, inter alia, to morphological and/or rheological modifications, e.g. visbreaking
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/26—Compositions 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
    • C08L2023/40—Compositions 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
    • C08L2023/42—Depolymerisation, vis-breaking or degradation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions 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
    • C08L23/10—Homopolymers 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)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polymerisation Methods In General (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 (https=)
EP (1) EP1987070B1 (https=)
JP (1) JP5260321B2 (https=)
CN (1) CN101389666B (https=)
CA (1) CA2640515C (https=)
WO (1) WO2007096276A1 (https=)

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CN101218289A (zh) * 2005-07-07 2008-07-09 西巴特殊化学品控股有限公司 在膦酸酯存在下制备聚酰胺的方法
WO2010109018A1 (en) 2009-03-27 2010-09-30 Henkel Ag & Co. Kgaa Adhesives made from polymer systems
JP5706875B2 (ja) 2009-04-03 2015-04-22 スリーエム イノベイティブ プロパティズ カンパニー 帯電強化添加剤を含むエレクトレットウェブ
EP2414576B1 (en) 2009-04-03 2016-11-09 3M Innovative Properties Company Processing aids for webs, including electret webs
WO2010123810A2 (en) * 2009-04-21 2010-10-28 Basf Performance Products Llc Rotomolding process for polyethylene articles
BR112012033648A2 (pt) * 2010-06-28 2016-11-22 Polymers Crc Ltd modificação de polímeros de propileno
WO2013025822A1 (en) * 2011-08-16 2013-02-21 Mba Polymers, Inc. Control of the melt flow rate of polyolefin mixtures recovered from post-consumer durable goods
EP2602367B1 (en) * 2011-12-06 2015-05-13 Borealis AG PP copolymers for melt blown/pulp fibrous nonwoven structures with improved mechanical properties and lower hot air consumption
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
US20160311944A1 (en) * 2013-12-13 2016-10-27 Braskem S.A. Method for producing controlled rheology polypropylene, polypropylene, use thereof and manufactured articles
ES2728677T3 (es) * 2013-12-19 2019-10-28 Dow Global Technologies Llc Procedimiento para reducir la viscosidad de polímeros a base de propileno con iniciadores de C-C
US10400096B2 (en) 2014-03-14 2019-09-03 Milliken & Company Modified heterophasic polyolefin composition
ES2657303T3 (es) 2014-03-31 2018-03-02 Sabic Global Technologies B.V. Método de fabricación de polipropileno de baja emisión
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
CN107531936B (zh) 2015-02-10 2019-05-14 美利肯公司 热塑性聚合物组合物
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
WO2017055173A1 (en) * 2015-10-02 2017-04-06 Borealis Ag Melt-blown webs with improved properties
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
EP4244285A1 (en) * 2020-11-13 2023-09-20 Braskem, S.A. Processing of polyethylene-based compositions and products therefrom
MX2024000061A (es) * 2021-06-22 2024-02-23 Equistar Chem Lp Procesos y productos de reciclado de polimero.
US20250353938A1 (en) * 2024-05-17 2025-11-20 Braskem America, Inc. Dynamically crosslinked polyolefin produced through a post-reactor process with a dynamic disulfide crosslinker
WO2026008347A1 (en) 2024-07-01 2026-01-08 Basell Poliolefine Italia S.R.L. Process for improving melt flow rate of a polyolefin recyclate composition
WO2026012892A1 (en) * 2024-07-08 2026-01-15 Basf Se Use of carboxylate sodium salt and nitrogen base chelating agents to restore the controlled degradation performance of n-acyloxyamine in the presence of magnesium metal salt

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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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Also Published As

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

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