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ES2151280T3 - Degradacion de polimeros mediante compuestos nor-hals. - Google Patents

Degradacion de polimeros mediante compuestos nor-hals.

Info

Publication number
ES2151280T3
ES2151280T3 ES97928215T ES97928215T ES2151280T3 ES 2151280 T3 ES2151280 T3 ES 2151280T3 ES 97928215 T ES97928215 T ES 97928215T ES 97928215 T ES97928215 T ES 97928215T ES 2151280 T3 ES2151280 T3 ES 2151280T3
Authority
ES
Spain
Prior art keywords
polymers
pct
c20alkyl
degradation
hals compounds
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.)
Expired - Lifetime
Application number
ES97928215T
Other languages
English (en)
Inventor
Rudolf Pfaendner
Heinz Herbst
Kurt Hoffmann
Raymond Seltzer
Matthew Edward Gande
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 Spezialitaetenchemie Holding AG
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 Spezialitaetenchemie Holding AG, Ciba SC Holding AG filed Critical Ciba Spezialitaetenchemie Holding AG
Application granted granted Critical
Publication of ES2151280T3 publication Critical patent/ES2151280T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)

Abstract

SE DESCRIBE UN PROCEDIMIENTO PARA LA DEGRADACION DE POLIMEROS, EN PARTICULAR PLASTICOS VIEJOS Y USADOS, MEDIANTE LOS LLAMADOS COMPUESTOS DE NOR-HALS, QUE SON P. E. COMPUESTOS QUE CONTIENEN EL GRUPO DE FORMULAS (III), EN DONDE R * ES UN AL QUILO DE C1-C20, ALQUILO DE C1-C20 SUSTITUIDO CON OH, CICLOALQUILO DE C 5 C 12 OPCIONALMENTE SUSTITUIDO CON ALQUILO DE C1-C4 , O ALQUILO DE C2-C20 INTERRUMPIDO POR O O S; ESTOS COMPUESTOS SE AÑADEN, Y SE CALIENTA A TEMPERATURAS, QUE ESTAN POR ENCIMA DE LAS TEMPERATURAS USUALES DE PROCESAMIENTO DE POLIMEROS (POR ENCIMA DE 280 °C).
ES97928215T 1996-06-26 1997-06-17 Degradacion de polimeros mediante compuestos nor-hals. Expired - Lifetime ES2151280T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH159896 1996-06-26

Publications (1)

Publication Number Publication Date
ES2151280T3 true ES2151280T3 (es) 2000-12-16

Family

ID=4214174

Family Applications (1)

Application Number Title Priority Date Filing Date
ES97928215T Expired - Lifetime ES2151280T3 (es) 1996-06-26 1997-06-17 Degradacion de polimeros mediante compuestos nor-hals.

Country Status (7)

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

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN1302002C (zh) * 2000-05-19 2007-02-28 西巴特殊化学品控股有限公司 作为聚合引发剂的羟胺酯类
US7030196B2 (en) 2000-05-19 2006-04-18 Ciba Specialty Chemicals Corporation Process for reducing the molecular weight of polypropylene
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
US6989423B2 (en) 2002-07-03 2006-01-24 Exxonmobil Chemical Patents, Inc. Oxygen tailoring of polyethylene film resins
US8003725B2 (en) 2002-08-12 2011-08-23 Exxonmobil Chemical Patents Inc. Plasticized hetero-phase polyolefin blends
US7998579B2 (en) 2002-08-12 2011-08-16 Exxonmobil Chemical Patents Inc. Polypropylene based fibers and nonwovens
CA2492839C (en) 2002-08-12 2011-02-01 Exxonmobil Chemical Patents Inc. Plasticized polyolefin compositions
US7531594B2 (en) 2002-08-12 2009-05-12 Exxonmobil Chemical Patents Inc. Articles from plasticized polyolefin compositions
US7271209B2 (en) 2002-08-12 2007-09-18 Exxonmobil Chemical Patents Inc. Fibers and nonwovens from plasticized polyolefin compositions
US8192813B2 (en) 2003-08-12 2012-06-05 Exxonmobil Chemical Patents, Inc. Crosslinked polyethylene articles and processes to produce same
DE602004023122D1 (de) * 2003-12-24 2009-10-22 Dow Global Technologies Inc Anischen radikals und zugehörige zusammensetzungen
DE602005012285D1 (de) * 2004-09-09 2009-02-26 Ciba Holding Inc Abbau von polypropylen mit hydroxylamin-ester-zusammensetzungen
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
JP5438966B2 (ja) 2005-07-15 2014-03-12 エクソンモービル・ケミカル・パテンツ・インク エラストマ組成物
CA2640515C (en) * 2006-02-24 2014-06-10 Ciba Holding Inc. Viscosity breaking process for olefin polymers
US8114451B2 (en) * 2006-12-27 2012-02-14 Kraft Foods Global Brands Llc Resealable closure with package integrity feature
CA2748912C (en) 2009-01-08 2014-02-25 Basf Se Polymerisation initiator
JP5706876B2 (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 エレクトレットウェブを含むオレフィン性ウェブの加工助剤
ES2435628T3 (es) 2009-04-03 2013-12-20 3M Innovative Properties Company Redes de electret con aditivos potenciadores de la carga
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
ES2710998T5 (en) 2014-12-15 2025-02-12 Borealis Ag Synergistic visbreaking composition of peroxide and hydroxylamine ester for increasing the visbreaking efficiency
EP3034522B1 (en) 2014-12-15 2019-02-06 Borealis AG Use of a polypropylene composition
EP4069897A1 (en) 2019-12-04 2022-10-12 Borealis AG Light weight melt blown webs with improved barrier properties
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

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
BE590730A (es) * 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
JP2000512676A (ja) 2000-09-26
DE59702245D1 (de) 2000-09-28
EP0909280B1 (de) 2000-08-23
US6133414A (en) 2000-10-17
JP3951144B2 (ja) 2007-08-01
EP0909280A1 (de) 1999-04-21
ATE195745T1 (de) 2000-09-15
WO1997049737A1 (de) 1997-12-31

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