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
Anticipated expiration legal-status Critical

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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)
  • 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 (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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JP2008545055A (ja) * 2005-07-07 2008-12-11 チバ ホールディング インコーポレーテッド ホスホネートの存在下でのポリアミドの製造方法。
CA2830495C (en) 2009-03-27 2017-02-14 Henkel Ag & Co. Kgaa Adhesives made from polymer systems
WO2010114742A2 (en) 2009-04-03 2010-10-07 3M Innovative Properties Company Electret webs with charge-enhancing additives
KR101679894B1 (ko) 2009-04-03 2016-11-25 쓰리엠 이노베이티브 프로퍼티즈 컴파니 일렉트릿 웨브를 포함하는, 올레핀성 웨브를 위한 가공 보조제
WO2010123810A2 (en) * 2009-04-21 2010-10-28 Basf Performance Products Llc Rotomolding process for polyethylene articles
WO2012000022A1 (en) * 2010-06-28 2012-01-05 Polymers Crc Limited 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
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
US9388256B2 (en) * 2012-09-21 2016-07-12 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
US10316115B2 (en) * 2013-12-19 2019-06-11 Dow Global Technologies Llc Process to visbreak propylene-based polymers with C—C initiators
KR20160132958A (ko) 2014-03-14 2016-11-21 밀리켄 앤드 캄파니 개질된 헤테로상 폴리올레핀 조성물
EP3126408B1 (en) * 2014-03-31 2017-10-25 SABIC Global Technologies B.V. Method for manufacture of low emission polypropylene
WO2016085535A1 (en) 2014-11-26 2016-06-02 Milliken & Company Modified heterophasic polyolefin composition
ES2710998T5 (en) * 2014-12-15 2025-02-12 Borealis Ag Synergistic visbreaking composition of peroxide and hydroxylamine ester for increasing the visbreaking efficiency
CN107531936B (zh) 2015-02-10 2019-05-14 美利肯公司 热塑性聚合物组合物
EP3265514B1 (en) 2015-03-05 2023-08-02 Milliken & Company Modified heterophasic polyolefin composition
JP7334042B2 (ja) 2015-09-13 2023-08-28 ミリケン・アンド・カンパニー 異相ポリマー組成物を作製するための方法
BR112017028387B1 (pt) * 2015-10-02 2022-10-18 Borealis Ag Folhas contínuas insufladas em fusão, e, artigo
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
EP4244264A1 (en) 2020-11-13 2023-09-20 Braskem, S.A. Processing of polypropylene and products therefrom
EP4359466A1 (en) * 2021-06-22 2024-05-01 Equistar Chemicals, LP Polymer recyclate processes and products
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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Also Published As

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

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