ES2155014B1 - Derivados de 1-alcoxi-polialquil-piperidina y su empleo como reguladores de polimerizacion. - Google Patents

Derivados de 1-alcoxi-polialquil-piperidina y su empleo como reguladores de polimerizacion.

Info

Publication number
ES2155014B1
ES2155014B1 ES009900470A ES9900470A ES2155014B1 ES 2155014 B1 ES2155014 B1 ES 2155014B1 ES 009900470 A ES009900470 A ES 009900470A ES 9900470 A ES9900470 A ES 9900470A ES 2155014 B1 ES2155014 B1 ES 2155014B1
Authority
ES
Spain
Prior art keywords
sub
derivatives
polialquil
piperidina
alcoxi
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 - Fee Related
Application number
ES009900470A
Other languages
English (en)
Spanish (es)
Other versions
ES2155014A1 (es
Inventor
Andreas Kramer
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 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
Publication of ES2155014A1 publication Critical patent/ES2155014A1/es
Application granted granted Critical
Publication of ES2155014B1 publication Critical patent/ES2155014B1/es
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D211/00Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
    • C07D211/04Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D211/06Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members
    • C07D211/36Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D211/40Oxygen atoms
    • C07D211/44Oxygen atoms attached in position 4
    • C07D211/46Oxygen atoms attached in position 4 having a hydrogen atom as the second substituent in position 4
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D211/00Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
    • C07D211/04Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D211/68Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member
    • C07D211/72Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, directly attached to ring carbon atoms
    • C07D211/74Oxygen atoms
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D211/00Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
    • C07D211/92Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with a hetero atom directly attached to the ring nitrogen atom
    • C07D211/94Oxygen atom, e.g. piperidine N-oxide
    • 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
    • C08F4/00Polymerisation catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Polymers & Plastics (AREA)
  • Hydrogenated Pyridines (AREA)
  • Polymerisation Methods In General (AREA)
  • Polymerization Catalysts (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Graft Or Block Polymers (AREA)
ES009900470A 1998-03-09 1999-03-08 Derivados de 1-alcoxi-polialquil-piperidina y su empleo como reguladores de polimerizacion. Expired - Fee Related ES2155014B1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP98810194 1998-03-09
EP98810531 1998-06-11

Publications (2)

Publication Number Publication Date
ES2155014A1 ES2155014A1 (es) 2001-04-16
ES2155014B1 true ES2155014B1 (es) 2001-12-01

Family

ID=26151881

Family Applications (1)

Application Number Title Priority Date Filing Date
ES009900470A Expired - Fee Related ES2155014B1 (es) 1998-03-09 1999-03-08 Derivados de 1-alcoxi-polialquil-piperidina y su empleo como reguladores de polimerizacion.

Country Status (18)

Country Link
US (4) US6353107B1 (https=)
JP (1) JP4651137B2 (https=)
KR (1) KR100581654B1 (https=)
CN (1) CN1171871C (https=)
AT (1) AT408655B (https=)
AU (1) AU754927B2 (https=)
BE (1) BE1012399A3 (https=)
BR (1) BR9900977B1 (https=)
CA (1) CA2264460A1 (https=)
CH (1) CH693416A5 (https=)
CZ (1) CZ78999A3 (https=)
DE (1) DE19909767B4 (https=)
ES (1) ES2155014B1 (https=)
FR (1) FR2777892B1 (https=)
GB (1) GB2335190B (https=)
IT (1) IT1309590B1 (https=)
NL (1) NL1011493C2 (https=)
SG (1) SG82601A1 (https=)

Families Citing this family (54)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG82601A1 (en) * 1998-03-09 2001-08-21 Ciba Sc Holding Ag 1-alkoxy-polyalkyl-piperidine derivatives and their use as polymerization regulators
US6518326B1 (en) * 1998-07-31 2003-02-11 Ciba Specialty Chemicals Corporation Open chain alkoxyamine compounds and their use as polymerization regulators
EP1119585B1 (fr) 1998-10-06 2004-06-16 Atofina Procede de polymerisation ou copolymerisation radicalaire controlee de l'ethylene sous haute pression en presence d'un amorceur-controleur
TWI225483B (en) 1998-10-16 2004-12-21 Ciba Sc Holding Ag Heterocyclic alkoxyamines as regulators in controlled radical polymerization process
JP4829447B2 (ja) * 1999-07-02 2011-12-07 チバ ホールディング インコーポレーテッド 官能化されたマクロマーの製造のための1および多官能価アルコキシアミン
TW546311B (en) * 1999-11-25 2003-08-11 Ciba Sc Holding Ag Composition and method for color improvement of nitroxyl containing polymers
TW541303B (en) * 2000-03-22 2003-07-11 Ciba Sc Holding Ag 2,2,6,6 diethyl-dimethyl-1-alkoxy-piperidine compounds and their corresponding 1-oxides
BR0110854B1 (pt) * 2000-05-19 2017-10-24 Ciba Specialty Chemicals Holdings Inc Method for reducing the polypropylene molecular weight, propylene copolymers or polypropylene mixtures, as a compound
TW572896B (en) * 2000-05-26 2004-01-21 Ciba Sc Holding Ag Process for the synthesis of amine ethers from secondary amino oxides
TW574236B (en) * 2000-09-25 2004-02-01 Ciba Sc Holding Ag Process for controlled radical polymerization in aqueous dispersion
TWI225492B (en) 2000-09-25 2004-12-21 Ciba Sc Holding Ag Composition and process for enhancing controlled free radical polymerization
TWI236482B (en) * 2000-11-13 2005-07-21 Ciba Sc Holding Ag Process for the (co)polymerization of vinyl chloride in the presence of a stable free nitroxyl radical
TWI274053B (en) * 2000-12-14 2007-02-21 Ciba Sc Holding Ag N-alkoxy-4,4-dioxy-polyalkyl-piperidine compounds, with glycidyl or alkylcarbonyl groups as functional initiators for controlled radical polymerization
TW557305B (en) * 2000-12-14 2003-10-11 Ciba Sc Holding Ag N-alkoxy-4,4-dioxy-polyalkyl-piperidine compounds, their corresponding n-oxides and controlled radical polymerization therewith
US6849679B2 (en) 2001-05-21 2005-02-01 Ciba Specialty Chemicals Corporation Pigment compositions with modified block copolymer dispersants
ATE491687T1 (de) * 2001-06-13 2011-01-15 Basf Se 4-imin-n-alkoxy- oder oxy-polyalkyl-piperidin- verbindungen zur verwendung als polymerisationsregulatoren
US7868171B2 (en) * 2001-11-12 2011-01-11 Ciba Specialty Chemicals Corp. N-alkoxy-4, 4-dioxy-polyalkyl-piperidines as radical polymerization initiators
TW200407307A (en) * 2001-11-26 2004-05-16 Ciba Sc Holding Ag Process for the synthesis of amine ethers from secondary amino oxides
US7297819B2 (en) * 2002-03-05 2007-11-20 Ciba Specialty Chemicals Corp. Open-chain alkoxyamines and their corresponding nitroxides for controlled low temperature radical polymerization
DE10212831A1 (de) * 2002-03-22 2003-10-02 Tesa Ag Verfahren zur Herstellung copolymerer Polyacrylat-Haftklebemassen, damit erhaltene Nitroxid-modifizierte Polyacrylate und Kamm-Blockpolymere
CA2484148A1 (en) * 2002-05-01 2003-11-13 Ciba Specialty Chemicals Holding Inc. Process for chain stopping of pvc polymerization
EP1375476A1 (en) * 2002-06-25 2004-01-02 Bayer Aktiengesellschaft A new process for the synthesis of alkoxyamines active in controlled radical polymerization
EP1375457A1 (en) 2002-06-25 2004-01-02 Bayer Aktiengesellschaft One-pot process for the preparation of functionalized alkoxyamines
WO2004069887A2 (en) * 2003-02-10 2004-08-19 Ciba Specialty Chemicals Holding Inc. Comb copolymers with defined side chains and process for their manufacture
JP4107996B2 (ja) * 2003-04-25 2008-06-25 大塚化学株式会社 リビングラジカルポリマーの製造方法及びポリマー
JP4046678B2 (ja) * 2003-10-15 2008-02-13 横浜ゴム株式会社 タイヤトレッド用ゴム組成物及びそれを用いた空気入りタイヤ
KR20100009562A (ko) * 2004-06-09 2010-01-27 히다치 가세고교 가부시끼가이샤 회로접속재료, 필름상 회로접속재, 및 회로부재의 접속 구조
RU2401281C2 (ru) * 2005-01-11 2010-10-10 Циба Спешиалти Кемикэлз Холдинг Инк. Способ постмодификации гомо- и сополимеров, полученных регулируемыми процессами свободнорадикальной полимеризации
JP4046734B2 (ja) 2005-01-18 2008-02-13 横浜ゴム株式会社 ポリマーの変性方法
US20090299013A1 (en) * 2005-04-04 2009-12-03 Jochen Fink Process for the Preparation of Star and Block-Copolymers Via Epoxy-Functionalized Alkoxyamines
ATE465183T1 (de) * 2005-08-30 2010-05-15 Basf Se Aus nitroxylradikalpolymerisation gewonnene polymere
CN101490620B (zh) * 2006-07-11 2013-02-20 西巴控股有限公司 滤色器组合物
US20080087380A1 (en) * 2006-10-13 2008-04-17 Dow Global Technologies Inc. Reactively-coupled articles and related methods
JP2010523519A (ja) * 2007-04-05 2010-07-15 ビーエーエスエフ ソシエタス・ヨーロピア 選択されたコポリマーを含んでいる日焼け止め剤及びパーソナルケア組成物
WO2008145595A1 (en) * 2007-06-01 2008-12-04 Basf Se Modified printable surfaces
KR101574815B1 (ko) * 2007-12-18 2015-12-04 바스프 에스이 바이오디젤 저온 흐름 개선제
WO2009090125A1 (en) 2008-01-17 2009-07-23 Basf Se Polymeric hair dyes
US9062209B2 (en) * 2009-12-01 2015-06-23 Silberline Manufacturing Company, Inc. Polymer encapsulated aluminum particulates
KR101524342B1 (ko) 2010-03-30 2015-07-06 바스프 에스이 말단-관능화 중합체
JP5930318B2 (ja) 2010-06-29 2016-06-08 ビーエーエスエフ ソシエタス・ヨーロピアBasf Se ポリマー溶融物の流動特性を向上するための方法
US8815982B2 (en) 2010-07-20 2014-08-26 Silberline Manufacturing Company, Inc. Colored system
US8912252B2 (en) 2010-07-20 2014-12-16 Silberline Manufacturing Company, Inc. Film-forming pigments and coating system including the same
ES2476367T3 (es) 2010-07-22 2014-07-14 Basf Se Combinación de aditivos para aplicaciones de estanqueidad
CA2853318A1 (en) 2011-10-25 2013-05-02 Basf Se Use of comb or block copolymers as soil antiredeposition agents and soil release agents in laundry processes
US9587105B2 (en) 2012-02-23 2017-03-07 Basf Se Fluorinated acrylate block copolymers with low dynamic surface tension
CN103073695B (zh) * 2012-12-27 2015-03-11 中山大学 一种本征型室温自修复结晶性聚合物
US9790452B2 (en) 2013-03-27 2017-10-17 Basf Se Block copolymers as soil release agents in laundry processes
CN105358528B (zh) 2013-07-08 2021-07-20 巴斯夫欧洲公司 新型光稳定剂
KR101595084B1 (ko) * 2015-09-23 2016-02-29 주식회사 엘림산업 피혁용 버핑머신
KR101595087B1 (ko) * 2015-09-23 2016-02-18 주식회사 엘림산업 피혁용 버핑머신 구동롤러
KR101635582B1 (ko) * 2015-10-02 2016-07-20 (주)이미인 원단 유연화 장치
CN111278934B (zh) 2017-10-23 2022-04-12 巴斯夫欧洲公司 硅氧烷聚合物水乳液
EP4251665B1 (en) 2020-11-30 2025-01-08 Basf Se Process of producing polymer dispersions
WO2022200398A1 (en) 2021-03-26 2022-09-29 Basf Se Polymer composition comprising polyacrylic block copolymer and aromatic based polyalkyleneoxide as dispersant

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1173290A (en) * 1966-08-24 1969-12-03 Sankyo Co Piperidine Nitroxides and process for preparing the same
JPS4940557B1 (https=) * 1969-03-06 1974-11-02
US3975357A (en) 1973-04-19 1976-08-17 Sankyo Company Limited Stabilized synthetic polymer compositions
GB1493996A (en) * 1975-05-28 1977-12-07 Sankyo Co 4-siloxy derivatives of polyalkylated piperidines
JPS5848580B2 (ja) * 1975-05-28 1983-10-29 三共株式会社 ゴウセイコウブンシザイリヨウヨウアンテイザイ
US4141883A (en) 1975-05-28 1979-02-27 Sankyo Company, Limited Stabilization of synthetic polymers by penta-or-hexa-substituted 4-piperidinol derivatives
GB1478261A (en) * 1975-05-28 1977-06-29 Ciba Geigy Ag Derivatives of 4-oxopiperidines
GB1492494A (en) * 1975-05-28 1977-11-23 Sankyo Co Derivatives of 4-aminopiperidine
GB1496844A (en) * 1975-05-28 1978-01-05 Ciba Geigy Ag Stabilization of polymers
JPS6089452A (ja) * 1983-07-11 1985-05-20 コモンウエルス サイエンテイフイツク アンド インダストリアル リサ−チ オ−ガニゼ−シヨン 遊離基重合開始用化合物
AU571240B2 (en) * 1983-07-11 1988-04-14 Commonwealth Scientific And Industrial Research Organisation Alkoxy-amines, useful as initiators
DE3486145T2 (de) * 1983-07-11 1993-09-23 Commw Scient Ind Res Org Verfahren zur polymerisation und nach diesem verfahren hergestellte polymere.
EP0155912A3 (de) * 1984-03-20 1986-06-04 Ciba-Geigy Ag Strahlenstabilisierte polymere Zusammensetzungen
US5185448A (en) 1991-05-07 1993-02-09 Ciba-Geigy Corporation Substituted 1-oxy-4-acyloxypiperidine and 1-oxy-4-acylaminopiperidine stabilizers
TW270131B (https=) * 1993-07-13 1996-02-11 Ciba Geigy
EP0638617A1 (de) 1993-08-13 1995-02-15 Ciba-Geigy Ag Pigmentsalze
US5608023A (en) 1995-03-30 1997-03-04 Xerox Corporation Rate enhanced polymerization processes
TW358820B (en) 1995-04-11 1999-05-21 Ciba Sc Holding Ag Synergistic stabilizer mixture
EP0792911A3 (en) 1996-02-27 1998-01-14 Fmc Corporation Flame resistant polyolefin compositions
HU220138B (hu) 1996-03-29 2001-11-28 The Dow Chemical Co. Szabadgyökös tömbpolimerizálási eljárás kaucsukkal módosított polimerek vinil-aromás monomerekből való előállítására
TW467931B (en) 1996-08-22 2001-12-11 Ciba Sc Holding Ag Stabilizer mixtures
AU4773997A (en) * 1996-09-25 1998-04-17 Akzo Nobel N.V. No-compounds for pseudo-living radical polymerization
EP0951485B1 (en) 1997-01-10 2003-04-02 E.I. Du Pont De Nemours And Company Method of controlling polymer molecular weight and structure
US6281311B1 (en) 1997-03-31 2001-08-28 Pmd Holdings Corp. Controlled free radical polymerization process
JP2001510208A (ja) * 1997-07-15 2001-07-31 チバ スペシャルティ ケミカルズ ホールディング インコーポレーテッド ニトロソ化合物又はニトロン化合物から誘導されたアルコキシアミン化合物を含む重合可能な組成物
SG74700A1 (en) 1998-02-25 2000-08-22 Ciba Sc Holding Ag Preparation of sterically hindered amine ethers
TW495515B (en) * 1998-03-09 2002-07-21 Ciba Sc Holding Ag 1-alkoxy-polyalkyl-piperidine derivatives, a polymerizable composition containing the same and a process for polymerization
SG82601A1 (en) * 1998-03-09 2001-08-21 Ciba Sc Holding Ag 1-alkoxy-polyalkyl-piperidine derivatives and their use as polymerization regulators
EP1115765B1 (en) * 1998-09-03 2009-06-24 Ciba Holding Inc. Grafting of ethylenically unsaturated monomers onto polymers
TW541303B (en) * 2000-03-22 2003-07-11 Ciba Sc Holding Ag 2,2,6,6 diethyl-dimethyl-1-alkoxy-piperidine compounds and their corresponding 1-oxides

Also Published As

Publication number Publication date
GB2335190A (en) 1999-09-15
JP4651137B2 (ja) 2011-03-16
NL1011493C2 (nl) 1999-10-28
US6683142B2 (en) 2004-01-27
CN1228424A (zh) 1999-09-15
JPH11322714A (ja) 1999-11-24
DE19909767B4 (de) 2015-04-30
CZ78999A3 (cs) 1999-09-15
KR100581654B1 (ko) 2006-05-22
CN1171871C (zh) 2004-10-20
US7402639B2 (en) 2008-07-22
KR19990077710A (ko) 1999-10-25
US20020107397A1 (en) 2002-08-08
DE19909767A1 (de) 1999-09-16
AU1863699A (en) 1999-09-23
GB9905152D0 (en) 1999-04-28
US6353107B1 (en) 2002-03-05
US20050131177A1 (en) 2005-06-16
IT1309590B1 (it) 2002-01-24
SG82601A1 (en) 2001-08-21
US6927295B2 (en) 2005-08-09
FR2777892B1 (fr) 2000-12-29
US20030220423A1 (en) 2003-11-27
GB2335190B (en) 2000-05-31
BE1012399A3 (fr) 2000-10-03
FR2777892A1 (fr) 1999-10-29
CH693416A5 (de) 2003-07-31
AT408655B (de) 2002-02-25
ATA38799A (de) 2001-06-15
ES2155014A1 (es) 2001-04-16
ITMI990453A1 (it) 2000-09-05
BR9900977B1 (pt) 2013-10-29
CA2264460A1 (en) 1999-09-09
BR9900977A (pt) 2000-03-21
NL1011493A1 (nl) 1999-09-10
AU754927B2 (en) 2002-11-28

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