ATE195745T1 - Abbau von polymeren durch nor-hals-verbindungen - Google Patents

Abbau von polymeren durch nor-hals-verbindungen

Info

Publication number
ATE195745T1
ATE195745T1 AT97928215T AT97928215T ATE195745T1 AT E195745 T1 ATE195745 T1 AT E195745T1 AT 97928215 T AT97928215 T AT 97928215T AT 97928215 T AT97928215 T AT 97928215T AT E195745 T1 ATE195745 T1 AT E195745T1
Authority
AT
Austria
Prior art keywords
polymers
pct
c20alkyl
degradation
date dec
Prior art date
Application number
AT97928215T
Other languages
German (de)
English (en)
Inventor
Rudolf Pfaendner
Heinz Herbst
Kurt Hoffmann
Raymond Seltzer
Matthew Edward Gande
Original Assignee
Ciba Sc 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 Sc Holding Ag filed Critical Ciba Sc Holding Ag
Application granted granted Critical
Publication of ATE195745T1 publication Critical patent/ATE195745T1/de

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J11/00—Recovery or working-up of waste materials
    • C08J11/04—Recovery or working-up of waste materials of polymers
    • C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
    • C08J11/18—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material
    • C08J11/28—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material by treatment with organic compounds containing nitrogen, sulfur or phosphorus
    • 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
    • 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
    • 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
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Sustainable Development (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Other Resins Obtained By Reactions Not Involving Carbon-To-Carbon Unsaturated Bonds (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
AT97928215T 1996-06-26 1997-06-17 Abbau von polymeren durch nor-hals-verbindungen ATE195745T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH159896 1996-06-26
PCT/EP1997/003133 WO1997049737A1 (de) 1996-06-26 1997-06-17 Abbau von polymeren durch nor-hals-verbindungen

Publications (1)

Publication Number Publication Date
ATE195745T1 true ATE195745T1 (de) 2000-09-15

Family

ID=4214174

Family Applications (1)

Application Number Title Priority Date Filing Date
AT97928215T ATE195745T1 (de) 1996-06-26 1997-06-17 Abbau von polymeren durch nor-hals-verbindungen

Country Status (7)

Country Link
US (1) US6133414A (show.php)
EP (1) EP0909280B1 (show.php)
JP (1) JP3951144B2 (show.php)
AT (1) ATE195745T1 (show.php)
DE (1) DE59702245D1 (show.php)
ES (1) ES2151280T3 (show.php)
WO (1) WO1997049737A1 (show.php)

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FR2792321B1 (fr) 1999-04-19 2003-12-12 Atochem Elf Sa Procede de fabrication d'une resine de polypropylene a rheologie controlee
FR2805268B1 (fr) * 2000-02-23 2005-03-25 Atofina Polymeres thermoreversibles a fonctions mitroxyde
US7030196B2 (en) 2000-05-19 2006-04-18 Ciba Specialty Chemicals Corporation Process for reducing the molecular weight of polypropylene
WO2001090113A1 (en) * 2000-05-19 2001-11-29 Ciba Specialty Chemicals Holding Inc. Hydroxylamine esters as polymerization initiators
AU2002212134A1 (en) * 2000-08-15 2002-02-25 Akzo Nobel N.V. Use of trixepans in the process to modify (co) polymers
WO2002024767A1 (fr) * 2000-09-22 2002-03-28 Atofina Degradation peroxydique de polymers en presence de radicaux libres stables multifonctionnels
JP3707422B2 (ja) * 2001-11-01 2005-10-19 三菱化学エムケーブイ株式会社 ポリオレフィン系農業用フィルム
JP4012058B2 (ja) 2001-12-21 2007-11-21 キヤノン株式会社 リサイクル性重合体、その製造方法、ならびにリサイクル処理方法
AU2003247681A1 (en) 2002-07-03 2004-01-23 Exxonmobil Chemical Patents Inc. Oxygen tailoring of polyethylene film resins
US7998579B2 (en) 2002-08-12 2011-08-16 Exxonmobil Chemical Patents Inc. Polypropylene based fibers and nonwovens
US7271209B2 (en) 2002-08-12 2007-09-18 Exxonmobil Chemical Patents Inc. Fibers and nonwovens from plasticized polyolefin compositions
US7632887B2 (en) 2002-08-12 2009-12-15 Exxonmobil Chemical Patents Inc. Plasticized polyolefin compositions
US8003725B2 (en) 2002-08-12 2011-08-23 Exxonmobil Chemical Patents Inc. Plasticized hetero-phase polyolefin blends
US7531594B2 (en) 2002-08-12 2009-05-12 Exxonmobil Chemical Patents Inc. Articles from plasticized polyolefin compositions
US8192813B2 (en) 2003-08-12 2012-06-05 Exxonmobil Chemical Patents, Inc. Crosslinked polyethylene articles and processes to produce same
TW200602367A (en) * 2003-12-24 2006-01-16 Dow Global Technologies Inc Free-radical initiation in the presence of a stable organic free radical and related compositions
EP1786861B1 (en) * 2004-09-09 2009-01-07 Ciba Holding Inc. Degradation of polypropylene with hydroxylamine ester compositions
US8389615B2 (en) 2004-12-17 2013-03-05 Exxonmobil Chemical Patents Inc. Elastomeric compositions comprising vinylaromatic block copolymer, polypropylene, plastomer, and low molecular weight polyolefin
EP1866346B1 (en) * 2005-04-06 2014-05-07 Basf Se Azo compounds for polypropylene degradation
US8513347B2 (en) 2005-07-15 2013-08-20 Exxonmobil Chemical Patents Inc. Elastomeric compositions
JP5260321B2 (ja) * 2006-02-24 2013-08-14 チバ ホールディング インコーポレーテッド オレフィンポリマーの粘度を低下させる方法
US8114451B2 (en) * 2006-12-27 2012-02-14 Kraft Foods Global Brands Llc Resealable closure with package integrity feature
JP5570529B2 (ja) * 2009-01-08 2014-08-13 ビーエーエスエフ ソシエタス・ヨーロピア 重合開始剤
KR101679894B1 (ko) 2009-04-03 2016-11-25 쓰리엠 이노베이티브 프로퍼티즈 컴파니 일렉트릿 웨브를 포함하는, 올레핀성 웨브를 위한 가공 보조제
RU2477344C1 (ru) 2009-04-03 2013-03-10 3М Инновейтив Пропертиз Компани Электретные полотна с добавками, способствующими заряжанию полотна
ES2632969T3 (es) * 2009-04-21 2017-09-18 Basf Corporation Proceso de rotomoldeo para artículos de polietileno
US9915069B1 (en) 2009-12-31 2018-03-13 Firestone Building Products Co., LLC Non-black EPDM roof membranes with improved weathering
EP3034522B1 (en) 2014-12-15 2019-02-06 Borealis AG Use of a polypropylene composition
DK3034552T4 (da) 2014-12-15 2024-09-16 Borealis Ag Synergistic visbreaking-sammensætning af peroxid og hydroxylaminester til øgning af visbreaking-effektivitet
CN114729482B (zh) 2019-12-04 2024-01-02 博里利斯股份公司 由具有改善的过滤性能的熔喷纤维制成的过滤介质
US20230025875A1 (en) 2019-12-04 2023-01-26 Borealis Ag Light weight melt blown webs with improved barrier properties
JP7779717B2 (ja) * 2021-12-07 2025-12-03 Ｐｓジャパン株式会社 スチレン系樹脂のリサイクル方法
WO2025131861A1 (en) 2023-12-18 2025-06-26 Sabic Global Technologies B.V. Spun bond nonwoven fabric
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

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB605588A (en) * 1945-12-13 1948-07-27 Gestetner Ltd Improvements in and relating to plasticising, reclaiming and reworking of vulcanised rubber
BE615661A (show.php) * 1959-05-12
US4282076A (en) * 1979-09-17 1981-08-04 Hercules Incorporated Method of visbreaking polypropylene
JPH01101337A (ja) * 1987-10-14 1989-04-19 Mitsubishi Cable Ind Ltd 有機高分子の加熱処理方法
DE69012617T2 (de) * 1989-03-21 1995-01-26 Ciba Geigy Ag Azoverbindungen mit einer sterisch gehinderten Aminogruppe geringer Basizität.
DE69019855T2 (de) * 1989-03-21 1995-10-26 Ciba Geigy Ag Mercaptosäureester, Thioacetale, Sulfide und Disulfide von sterisch gehinderten Aminen mit 1-Hydrocarbyloxygruppe.
US5342862A (en) * 1990-03-13 1994-08-30 Biolan Corporation Process for controlling the photodegradation of mulch film
ES2132114T3 (es) * 1991-03-27 1999-08-16 Ciba Sc Holding Ag Procedimiento para estabilizar mezclas de materias plasticas recicladas.
CN1037183C (zh) * 1991-07-13 1998-01-28 中国科学院化学研究所 聚丙烯树脂组合物及其制造方法
DE4224990A1 (de) * 1992-07-29 1994-02-03 Guenter Hufschmid Wiederverwertung von Polyolefinabfällen durch thermischen, oxidativen bzw. katalytischen Abbau zu Polyolefinwachsen, Polyolefinharzen oder durch Oxidation zu oxidierten Polyolefinen
US5338822A (en) * 1992-10-02 1994-08-16 Cargill, Incorporated Melt-stable lactide polymer composition and process for manufacture thereof
US5270369A (en) * 1992-10-21 1993-12-14 Phillips Petroleum Company Additive to improve polymer clarity and viscosity
US5393812A (en) * 1993-08-31 1995-02-28 Hercules Incorporated Flame retardant, light stable composition
US5356978A (en) * 1993-09-24 1994-10-18 Occidential Chemical Corporation Method of dispersing a tacky additive in a solution of a polymer
TW460525B (en) * 1994-02-28 2001-10-21 Ciba Sc Holding Ag A process for increasing the molecular weight of polyesters with a tetracarboxylic acid dianhydride and a sterically hindered hydroxy-phenylalkylphonic acid ester or half-ester
US5945460A (en) * 1997-03-20 1999-08-31 Eastman Chemical Company Process for continuously producing polyester articles with scrap recycle in a continuous melt-to-preform process

Also Published As

Publication number Publication date
US6133414A (en) 2000-10-17
JP2000512676A (ja) 2000-09-26
EP0909280B1 (de) 2000-08-23
DE59702245D1 (de) 2000-09-28
WO1997049737A1 (de) 1997-12-31
JP3951144B2 (ja) 2007-08-01
EP0909280A1 (de) 1999-04-21
ES2151280T3 (es) 2000-12-16

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