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ES2099993T3 - Carbodiimidas y/o policarbodiimidas oligomeras a base de 1,3-bis-(1-metil-1-isocianatoetil)-benceno, un procedimiento para su obtencion, y su empleo como estabilizador de la hidrolisis. - Google Patents

Carbodiimidas y/o policarbodiimidas oligomeras a base de 1,3-bis-(1-metil-1-isocianatoetil)-benceno, un procedimiento para su obtencion, y su empleo como estabilizador de la hidrolisis.

Info

Publication number
ES2099993T3
ES2099993T3 ES94108216T ES94108216T ES2099993T3 ES 2099993 T3 ES2099993 T3 ES 2099993T3 ES 94108216 T ES94108216 T ES 94108216T ES 94108216 T ES94108216 T ES 94108216T ES 2099993 T3 ES2099993 T3 ES 2099993T3
Authority
ES
Spain
Prior art keywords
benzene
bis
methyl
carbodiimides
isocianatoetil
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
ES94108216T
Other languages
English (en)
Inventor
Siegmund Pohl
Friedhelm Dr Lehrich
Manfred Dr Genz
Bernd Dr Bruchmann
Helmut Dr Tesch
Roland Dr Minges
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 SE
Original Assignee
BASF SE
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 BASF SE filed Critical BASF SE
Application granted granted Critical
Publication of ES2099993T3 publication Critical patent/ES2099993T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C267/00—Carbodiimides
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C271/00—Derivatives of carbamic acids, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups
    • C07C271/06—Esters of carbamic acids
    • C07C271/08—Esters of carbamic acids having oxygen atoms of carbamate groups bound to acyclic carbon atoms
    • C07C271/10—Esters of carbamic acids having oxygen atoms of carbamate groups bound to acyclic carbon atoms with the nitrogen atoms of the carbamate groups bound to hydrogen atoms or to acyclic carbon atoms
    • C07C271/20—Esters of carbamic acids having oxygen atoms of carbamate groups bound to acyclic carbon atoms with the nitrogen atoms of the carbamate groups bound to hydrogen atoms or to acyclic carbon atoms to carbon atoms of hydrocarbon radicals substituted by nitrogen atoms not being part of nitro or nitroso groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C275/00—Derivatives of urea, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C275/04—Derivatives of urea, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups having nitrogen atoms of urea groups bound to acyclic carbon atoms
    • C07C275/06—Derivatives of urea, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups having nitrogen atoms of urea groups bound to acyclic carbon atoms of an acyclic and saturated carbon skeleton
    • C07C275/14—Derivatives of urea, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups having nitrogen atoms of urea groups bound to acyclic carbon atoms of an acyclic and saturated carbon skeleton being further substituted by nitrogen atoms not being part of nitro or nitroso groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/2805—Compounds having only one group containing active hydrogen
    • C08G18/2815—Monohydroxy compounds
    • C08G18/282—Alkanols, cycloalkanols or arylalkanols including terpenealcohols
    • C08G18/2825—Alkanols, cycloalkanols or arylalkanols including terpenealcohols having at least 6 carbon atoms
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
    • C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
    • C08G18/6633—Compounds of group C08G18/42
    • C08G18/6637—Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38
    • C08G18/664—Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
    • C08G18/78—Nitrogen
    • C08G18/79—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
    • C08G18/797—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates containing carbodiimide and/or uretone-imine groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/04—Polyurethanes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)

Abstract

EL OBJETIVO DE LA INVENCION SON NUEVAS CARBODIIMIDAS Y/O POLICARBODIIMIDAS OLIGOMERAS CON GRUPOS ISOCIANATO, GRUPOS URETANO Y/O GRUPOS DE UREA TERMINALES, OBTENIBLES, POR EJEMPLO, MEDIANTE CONDENSACION BAJO DESDOBLAMIENTO DE DIOXIDO DE CARBONO A PARTIR DE 1, 3 OL Y A CONTINUACION TRANSFORMACION EVENTUALMENTE DE FORMA PARCIAL O COMPLETA DE LOS GRUPOS ISOCIANATO LIBRES DE LA (POLI)CARBODIIMIDA OBTENIDA CON AMINAS ALIFATICAS, CICLOALIFATICAS O ARALIFATICAS, ALCOHOLES Y/O ALCOHOLES ALCOXIPOLIOXIALQUILENO, UN PROCESO PARA SU ELABORACION Y SU UTILIZACION COMO ESTABILIZADOR CONTRA DESCOMPOSICION HIDROLITICA DE GRUPOS ESTER CONTENIDOS EN PRODUCTOS DE POLIADICION Y POLICONDENSACION.
ES94108216T 1993-06-08 1994-05-28 Carbodiimidas y/o policarbodiimidas oligomeras a base de 1,3-bis-(1-metil-1-isocianatoetil)-benceno, un procedimiento para su obtencion, y su empleo como estabilizador de la hidrolisis. Expired - Lifetime ES2099993T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4318979A DE4318979A1 (de) 1993-06-08 1993-06-08 Carbodiimide und/oder oligomere Polycarbodiimide auf Basis von 1,3-Bis-(1-methyl-1-isocyanato-ethyl)-benzol, ein Verfahren zu ihrer Herstellung und ihre Verwendung als Hydrolysestabilisator

Publications (1)

Publication Number Publication Date
ES2099993T3 true ES2099993T3 (es) 1997-06-01

Family

ID=6489875

Family Applications (1)

Application Number Title Priority Date Filing Date
ES94108216T Expired - Lifetime ES2099993T3 (es) 1993-06-08 1994-05-28 Carbodiimidas y/o policarbodiimidas oligomeras a base de 1,3-bis-(1-metil-1-isocianatoetil)-benceno, un procedimiento para su obtencion, y su empleo como estabilizador de la hidrolisis.

Country Status (7)

Country Link
EP (1) EP0628541B1 (es)
JP (1) JP3573790B2 (es)
KR (1) KR100307257B1 (es)
AT (1) ATE151745T1 (es)
BR (1) BR9402198A (es)
DE (2) DE4318979A1 (es)
ES (1) ES2099993T3 (es)

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0827092A (ja) * 1994-07-15 1996-01-30 Nisshinbo Ind Inc ウレア変性カルボジイミド及びその製造方法
DE4442722A1 (de) * 1994-12-01 1996-06-05 Basf Ag Schlagzäh thermoplastische Formmassen
DE4442724A1 (de) * 1994-12-01 1996-06-05 Basf Ag Stabilisierte Polyesterformmassen
JP3373996B2 (ja) * 1996-02-06 2003-02-04 日清紡績株式会社 エステル基を有する樹脂用の耐加水分解安定剤及び該安定剤によるエステル基を有する樹脂の耐加水分解安定化方法
DE19710978A1 (de) * 1997-03-17 1998-09-24 Bayer Ag Verfahren zur Herstellung halbharter kompakter oder zelliger Formkörper auf PUR-Basis und deren Stabilisierung, daraus hergestellte Formkörper, sowie deren Verwendung
DE19809634A1 (de) * 1998-03-06 1999-09-09 Basf Ag Carbodiimide und Verfahren zu deren Herstellung
DE19821668B4 (de) * 1998-05-14 2012-03-08 Basf Se Carbodiimidgemische auf der Basis von 1,3-Bis-(1-methyl-1-isocyanato-ethyl)-benzol, Verfahren zu ihrer Herstellung, ihre Verwendung sowie Polyurethanelastomere und ihr Herstellungsverfahren
US6184410B1 (en) 1998-05-14 2001-02-06 Basf Aktiengesellschaft Carbodiimides based on 1,3-bis(1-methyl-1-isocyanatoethyl)benzene
DE19821666A1 (de) * 1998-05-14 1999-11-25 Basf Ag Carbodiimide auf der Basis von 1,3-Bis-(1-methyl-1-isocyanatoethyl)-benzol
DE10001777A1 (de) 1999-02-03 2000-08-10 Basf Ag Verfahren zur Herstellung von Verklebungen mittels carbodiimidhaltiger Dispersionen unter Wärmeaktivierung
DE19954500A1 (de) * 1999-11-11 2001-05-17 Basf Ag Carbodiimide mit Carboxyl- oder Caboxylatgruppen
CN1241965C (zh) 2001-04-06 2006-02-15 巴斯福股份公司 多孔聚异氰酸酯聚加合物
DE10318282A1 (de) * 2003-04-22 2004-11-25 Basf Ag Mittel, enthaltend Oxalsäuredialkylester und sterisch gehindertes Carbodiimid
DE102004011791A1 (de) * 2004-03-09 2005-09-29 Degussa Ag Verfahren zur Herstellung von Carbodiimidgruppen aufweisenden Substanzen
DE102004024205A1 (de) * 2004-05-13 2005-12-08 Basf Ag Polyurethane enthaltend Carbodiimide
DE102004024196A1 (de) * 2004-05-13 2005-12-01 Basf Ag Carbodiimide enthaltend Harnstoffgruppen und Silangruppen
DE102004024195A1 (de) * 2004-05-13 2005-12-01 Basf Ag Carbodiimide enthaltend Silangruppen
JP4954461B2 (ja) * 2004-10-15 2012-06-13 三井化学株式会社 ポリ乳酸系樹脂組成物およびその発泡粒子およびその発泡成形体
DE102004063380A1 (de) 2004-12-23 2006-07-06 Basf Ag Verfahren zur Kaschierung unter Verwendung spezieller Vernetzer mit Carbodiimid-gruppen
JP4916007B2 (ja) * 2007-03-01 2012-04-11 三洋化成工業株式会社 スラッシュ成形用樹脂粉末組成物及び成形品
WO2009112467A1 (de) 2008-03-11 2009-09-17 Basf Se Mikokapseln mit wänden aus acylharnstoff
KR20120018796A (ko) 2009-05-15 2012-03-05 라인 케미 라이나우 게엠베하 카르보디이미드의 제조 방법
DE102009027246A1 (de) * 2009-06-26 2010-12-30 Evonik Degussa Gmbh Katalysatorarme Carbodiimidgruppen und/oder Uretonimingruppen aufweisende Isocyanatmischungen
DE102010043486A1 (de) 2009-11-16 2011-05-19 Basf Se Kaschierverfahren unter Verwendung von Carbodiimid- und Harnstoffgruppen enthaltenden Klebstoffen
EP2371873A1 (de) 2010-04-01 2011-10-05 Bayer MaterialScience AG Verfahren zur Carbodiimidisierung
EP2423186B1 (de) * 2010-08-30 2017-05-31 LANXESS Deutschland GmbH Neuartige haftvermittler auf basis von carbodiimiden, haftvermittlerhaltige, wässrige resorcin-formaldehyd-latex-dispersionen, haftungsverbesserte fasern, verfahren zu deren herstellung und deren verwendung
WO2012126797A2 (de) * 2011-03-18 2012-09-27 Basf Se Verwendung oligomerer carbodiimide als stabilisatoren
US8623945B2 (en) 2011-03-18 2014-01-07 Basf Se Use of oligomeric carbodiimides as stabilizers
IN2014CN03735A (es) * 2011-11-17 2015-09-04 Basf Se
EP2660259A1 (de) * 2012-05-03 2013-11-06 Rhein Chemie Rheinau GmbH Neue Carbodiimid-haltige Zusammensetzungen, ein Verfahren zu deren Herstellung und deren Verwendung
CN104797615B (zh) * 2012-09-19 2017-07-11 巴斯夫欧洲公司 制备聚碳化二亚胺的方法
JP6055353B2 (ja) * 2013-03-28 2016-12-27 日清紡ケミカル株式会社 エステル系樹脂組成物、該エステル系樹脂組成物の製造方法、並びに該エステル系樹脂を用いた成形品
EP2803660A1 (de) 2013-05-13 2014-11-19 Rhein Chemie Rheinau GmbH Neue Carbodiimide mit endständigen Harnstoff- und/oder Urethangruppen, Verfahren zu deren Herstellung und deren Verwendung
JP6344666B2 (ja) * 2013-12-09 2018-06-27 エルジー ハウスホールド アンド ヘルスケア リミテッド カルボジイミド系化合物を含む組成物
KR20160113709A (ko) 2014-01-30 2016-09-30 바스프 에스이 열가소성 폴리우레탄용 안정화 가소제
EP2944625A1 (de) 2014-05-16 2015-11-18 Basf Se Verfahren zur Herstellung von (Meth)-Acrylsäureestern
EP2998331A1 (en) 2014-09-17 2016-03-23 Construction Research & Technology GmbH A curable organic polymer comprising at least one acylurea unit, its preparation and use
PT3018124T (pt) * 2014-11-04 2018-10-31 Lanxess Deutschland Gmbh Novas carbodi-imidas, processos para a sua produção e a sua utilização
HUE043316T2 (hu) * 2015-06-15 2019-08-28 Lanxess Deutschland Gmbh Eljárás polimer karbodiimidek elõállítására céziumsók hozzáadásával, polimer karbodiimidek és ezek alkalmazása
DE102017125324A1 (de) 2017-09-22 2019-03-28 Icopal Kunststoffe Entwicklungs Gmbh Abdichtbahn
JP7277566B2 (ja) 2018-05-04 2023-05-19 ビーエーエスエフ ソシエタス・ヨーロピア 蒸留装置を含む反応器の耐用寿命を延ばすための方法
TW201946942A (zh) 2018-05-04 2019-12-16 德商巴斯夫歐洲公司 製備碳二亞胺的方法
EP3868803A1 (de) 2020-02-18 2021-08-25 Covestro Deutschland AG Verfahren zur carbodiimidisierung
JP2024505878A (ja) 2021-01-26 2024-02-08 ビーエーエスエフ ポリウレタンズ ゲーエムベーハー 注型用型よりも大きい注型部品
DE102023205849A1 (de) 2023-06-22 2024-12-24 Henkel Ag & Co. Kgaa Verfahren und ein Kit zur Konditionierung und Strukturverbesserung geschädigter Keratinfasern
WO2025002052A1 (en) * 2023-06-25 2025-01-02 Basf Se Dyeable composition, fiber, and process

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2941983A (en) * 1957-05-07 1960-06-21 Du Pont Urethane-terminated polycarbodiimides
JPS56118053A (en) * 1980-02-22 1981-09-16 Showa Denko Kk Carbodiimide derivative, insecticidal and acaricidal agent
US4419294A (en) * 1982-03-08 1983-12-06 American Cyanamid Company Carbodiimide oligomers of tertiary aliphatic isocyanates
DE4018184A1 (de) * 1990-06-07 1991-12-12 Bayer Ag Verfahren zur stabilisierung von estergruppen enthaltenden kunststoffen
JP3165971B2 (ja) * 1991-12-26 2001-05-14 日清紡績株式会社 ポリテトラメチルキシリレンカルボジイミド
JP2890977B2 (ja) * 1992-04-28 1999-05-17 東洋インキ製造株式会社 印刷インキ
JP3188959B2 (ja) * 1992-08-10 2001-07-16 日清紡績株式会社 ポリカルボジイミド樹脂の製造方法

Also Published As

Publication number Publication date
EP0628541A1 (de) 1994-12-14
ATE151745T1 (de) 1997-05-15
BR9402198A (pt) 1995-03-07
KR100307257B1 (ko) 2001-11-30
KR950000654A (ko) 1995-01-03
EP0628541B1 (de) 1997-04-16
JPH0717939A (ja) 1995-01-20
DE59402423D1 (de) 1997-05-22
DE4318979A1 (de) 1994-12-15
JP3573790B2 (ja) 2004-10-06

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