ES8101087A1 - Procedimiento para la obtencion de dispersiones o solucionesacuosas de poliuretan-poliureas - Google Patents

Procedimiento para la obtencion de dispersiones o solucionesacuosas de poliuretan-poliureas

Info

Publication number
ES8101087A1
ES8101087A1 ES484782A ES484782A ES8101087A1 ES 8101087 A1 ES8101087 A1 ES 8101087A1 ES 484782 A ES484782 A ES 484782A ES 484782 A ES484782 A ES 484782A ES 8101087 A1 ES8101087 A1 ES 8101087A1
Authority
ES
Spain
Prior art keywords
solutions
polyurethane
production
aqueous dispersions
polyurea
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
Application number
ES484782A
Other languages
English (en)
Other versions
ES484782A0 (es
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.)
Bayer AG
Original Assignee
Bayer 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 Bayer AG filed Critical Bayer AG
Publication of ES8101087A1 publication Critical patent/ES8101087A1/es
Publication of ES484782A0 publication Critical patent/ES484782A0/es
Granted legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08Processes
    • C08G18/0804Manufacture of polymers containing ionic or ionogenic groups
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08Processes
    • C08G18/10Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2170/00Compositions for adhesives
    • C08G2170/80Compositions for aqueous adhesives
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/31504Composite [nonstructural laminate]
    • Y10T428/31551Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
    • Y10T428/31558Next to animal skin or membrane

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Polyurethanes Or Polyureas (AREA)

Abstract

PROCEDIMIENTO DE OBTENCION DE DISPERSIONES O SOLUCIONES ACUOSAS DE POLIURETAN-POLIUREAS. CONSISTE EN MEZCLAR PREPOLIMEROS LIQUIDOS PRESENTES EN DISOLVENTES INERTES, CONTENIENDO EMULSIONANTES HIDROFILICAMENTE MODIFICADOS Y/O EXTERNOS LLEVANDO GRUPOS ISOCIANATO CON AUSENCIA DE AGUA CON PRODUCTOS DE ADICION SOLIDOS, INSOLUBLES EN LOS PREPOLIMEROS O BIEN SUS SOLUCIONES DE AMINAS QUE LLEVAN EN AMBOS ATOMOS DE HIDROGENO, O DE ACIDOS INORGANICOS U ORGANICO, A LA MEZCLA OBTENIDA, SE LE AÑADE AGUA A CONTINUACION. POR CADA GRUPO-NH, SE ENCUENTRAN ENLAZADOS COMO MINIMO 0,5 EQUIVALENTES DE ACIDO BAJO FORMACION DE UN PRODUCTO DE ADICION.
ES484782A 1978-10-06 1979-10-05 Procedimiento para la obtencion de dispersiones o solucionesacuosas de poliuretan-poliureas Granted ES484782A0 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782843790 DE2843790A1 (de) 1978-10-06 1978-10-06 Verfahren zur herstellung von waessrigen dispersionen oder loesungen von polyurethan-polyharnstoffen, die nach diesem verfahren erhaeltlichen dispersionen oder loesungen, sowie ihre verwendung

Publications (2)

Publication Number Publication Date
ES8101087A1 true ES8101087A1 (es) 1980-12-01
ES484782A0 ES484782A0 (es) 1980-12-01

Family

ID=6051642

Family Applications (1)

Application Number Title Priority Date Filing Date
ES484782A Granted ES484782A0 (es) 1978-10-06 1979-10-05 Procedimiento para la obtencion de dispersiones o solucionesacuosas de poliuretan-poliureas

Country Status (10)

Country Link
US (1) US4292226A (es)
EP (1) EP0009760B1 (es)
JP (1) JPS5550015A (es)
AR (1) AR221506A1 (es)
AT (1) ATE1197T1 (es)
AU (1) AU5155879A (es)
BR (1) BR7906436A (es)
CA (1) CA1129129A (es)
DE (2) DE2843790A1 (es)
ES (1) ES484782A0 (es)

Families Citing this family (75)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4408008A (en) * 1981-07-24 1983-10-04 Mobay Chemical Corporation Stable, colloidal, aqueous dispersions of cross-linked urea-urethane polymers and their method of production
US4442259A (en) * 1982-04-26 1984-04-10 W. R. Grace & Co. Aqueous-based polyurethane compositions and method of preparation
US4522851A (en) * 1982-09-30 1985-06-11 Mobay Chemical Corporation Process for coating aqueous dispersion of epoxy resin and blocked polyisocyanate containing chemically incorporated anionic hydrophilic groups
US4522979A (en) * 1984-02-17 1985-06-11 Mobay Chemical Corporation Molding compositions having an enhanced resistance to gasoline
US4745148A (en) * 1984-04-13 1988-05-17 Mobay Corporation Thermoplastic polyester molding composition having an improved impact performance
US4582873A (en) * 1984-05-21 1986-04-15 Ppg Industries, Inc. Process for producing aqueous dispersions, internally silylated and dispersed polyurethane resins, and surfaces containing same
US4542065A (en) * 1984-05-21 1985-09-17 Ppg Industries, Inc. Chemically treated glass fibers and strands and dispersed products thereof
US4567228A (en) * 1984-05-21 1986-01-28 Ppg Industries, Inc. Aqueous dispersion, internally silylated and dispersed polyurethane resins, and surfaces containing same
US4542177A (en) * 1984-06-29 1985-09-17 Mobay Chemical Corporation Thermoplastic polyester molding composition having an improved impact performance
DE3613492A1 (de) * 1986-04-22 1987-10-29 Bayer Ag Verfahren zur herstellung von waessrigen dispersionen von polyurethan-polyharnstoffen, die nach diesem verfahren erhaeltlichen dispersionen und ihre verwendung als oder zur herstellung von beschichtungsmitteln
DE3630045A1 (de) * 1986-09-04 1988-03-17 Bayer Ag Klebstoff und die verwendung des klebstoffs zur herstellung von verklebungen
DE3701547A1 (de) * 1987-01-21 1988-08-04 Basf Lacke & Farben Polyetherurethan, verfahren zu seiner herstellung, verlaufshilfsmittel und verwendung des polyetherurethans
JPH02502384A (ja) * 1987-07-14 1990-08-02 ザ ダウ ケミカル カンパニー 硬質ポリ芳香族前駆体物質より製造されるポリイソシアネートプレポリマー、及びそれより製造されるポリウレタン
US4980388A (en) * 1988-10-17 1990-12-25 The Dow Chemical Company Use of carbon dioxide adducts as blowing agents in cellular and microcellular polyureas
US5288766A (en) * 1992-02-28 1994-02-22 Basf Corporation Poyurea based dispersions, foams prepared therefrom, and a process for the preparation therein
DE4418157A1 (de) 1994-05-25 1995-11-30 Basf Ag Thermokoagulierbare wässerige Polyurethan-Dispersionen
EP0774475A3 (de) 1995-11-17 1997-10-01 Basf Ag Wässerige Dispersionen enthaltend ein Polyurethan mit oximblockierten Isocyanatgruppen und/oder Carbonylgruppen in Keto- oder Aldehydfunktion
US20020127371A1 (en) * 2001-03-06 2002-09-12 Weder Donald E. Decorative elements provided with a circular or crimped configuration at point of sale or point of use
DE69801494T2 (de) 1997-03-17 2002-04-18 Dow Chemical Co Polyurethanlatex, dessen herstellungsverfahren und daraus hergestellte polymere
NO20001904L (no) 1999-04-14 2000-10-16 Dow Chemical Co Polyuretanfilmer fremstilt ved elektrolytisk utfelling fra polyuretandispersjoner
NO20001903L (no) 1999-04-14 2000-10-16 Dow Chemical Co Polyuretan-filmer fremstilt fra polyuretan-dispersjoner
US7459167B1 (en) 2000-07-27 2008-12-02 3M Innovative Properties Company Biocidal polyurethane compositions and methods of use
DE10133789A1 (de) * 2001-07-16 2003-02-06 Basf Ag Wässrige Dispersionen für hydrolysefeste Beschichtungen
EP1569976A1 (en) * 2002-11-04 2005-09-07 INVISTA Technologies S.à.r.l. Aqueous poly (urea/urethanes) dispersions using polyester glycol
US7771806B2 (en) * 2002-11-04 2010-08-10 Invista North America S.A R.L. Articles comprising aqueous dispersions of polyureaurethanes
JP4731910B2 (ja) * 2002-11-04 2011-07-27 インヴィスタ テクノロジーズ エスアエルエル ポリ(ウレア/ウレタン)の水性分散体
US20040116594A1 (en) * 2002-12-11 2004-06-17 Debkumar Bhattacharjee Polyurethane prepolymer, stable aqueous dispersions with high solids containing the same and method of using and preparing the aqueous dispersions
JP5769359B2 (ja) 2005-02-24 2015-08-26 ビーエーエスエフ ソシエタス・ヨーロピアBasf Se 放射線硬化な水性ポリウレタン分散液
US20060229409A1 (en) * 2005-04-08 2006-10-12 Ilmenev Pavel E Method for preparing polyurethane dispersions
DE102006036220A1 (de) 2006-08-03 2008-02-07 Clariant International Limited Polyetheramin-Makromonomere mit zwei benachbarten Hydroxylgruppen und ihre Verwendung zur Herstellung von Polyurethanen
CN101563380B (zh) * 2006-12-22 2013-03-06 巴斯夫欧洲公司 含有含碳二酰亚胺基团的化合物的微胶囊
DE102008000270A1 (de) 2007-02-14 2008-08-28 Basf Se Verfahren zur Herstellung von Polyurethandispersionen mit geringem Gehalt an hochsiedenden Lösungsmitteln
DE102008000478A1 (de) 2007-03-05 2008-09-11 Basf Se Polyurethan-Dispersionen mit Polyethercarbonatpolyolen als Aufbaukomponente
DE102007026196A1 (de) 2007-06-04 2008-12-11 Basf Se Verfahren zur Herstellung wasseremulgierbarer Polyurethanacrylate
DE102008004178A1 (de) 2008-01-11 2009-07-16 Basf Se Textile Flächengebilde, Verfahren zu ihrer Herstellung und ihre Verwendung
DE102008014211A1 (de) 2008-03-14 2009-09-17 Bayer Materialscience Ag Wässrige Dispersion aus anionisch modifizierten Polyurethanharnstoffen zur Beschichtung eines textilen Flächengebildes
EP2166057B1 (de) 2008-08-26 2011-12-28 Basf Se Klebstoffzusammensetzung für selbstklebende, wiederablösbare Artikel auf Basis von adhäsiven Polymeren und organischen Nanopartikeln
ES2651930T3 (es) 2009-04-14 2018-01-30 Basf Se Adhesivo de polímeros con dominios cristalinos, poliuretano amorfo y compuestos de silano
US9051409B2 (en) 2009-04-14 2015-06-09 Basf Se Use of polyurethane adhesive formed from polyester diols, polyether diols and silane compounds in the manufacture of film/foil-coated furniture
DE102010043486A1 (de) 2009-11-16 2011-05-19 Basf Se Kaschierverfahren unter Verwendung von Carbodiimid- und Harnstoffgruppen enthaltenden Klebstoffen
EP2395036A1 (en) * 2010-05-17 2011-12-14 Bayer MaterialScience AG Polyurethane dispersions with an acid-base mixture as an additive
EP2388283A1 (en) 2010-05-18 2011-11-23 Bayer MaterialScience AG Process for adjusting the viscosity of anionic polyurethane dispersions
US8956497B2 (en) 2010-07-29 2015-02-17 Basf Se Biodisintegratable composite foils
US9089624B2 (en) 2010-08-23 2015-07-28 Basf Se Ultrathin fluid-absorbent cores comprising adhesive and having very low dry SAP loss
ES2625503T3 (es) 2010-12-20 2017-07-19 Basf Se Procedimiento para la preparación de dispersiones híbridas de poliuretano-poliacrilato
DE102011015459A1 (de) 2011-03-29 2012-10-04 Basf Se Polyurethane, ihre Herstellung und Verwendung
EP2691465B1 (de) 2011-03-30 2015-09-09 Basf Se Latent reaktive polyurethandispersion mit aktivierbarer vernetzung
US8841369B2 (en) 2011-03-30 2014-09-23 Basf Se Latently reactive polyurethane dispersion with activatable crosslinking
CN103608375B (zh) 2011-06-14 2015-09-09 巴斯夫欧洲公司 可辐射固化聚氨酯水分散体
KR20140101841A (ko) 2011-12-09 2014-08-20 바스프 에스이 수성 폴리우레탄 분산액의 복합 필름 라미네이션용 용도
US9005762B2 (en) 2011-12-09 2015-04-14 Basf Se Use of aqueous polyurethane dispersions for composite foil lamination
ES2640312T3 (es) 2012-07-04 2017-11-02 Basf Se Sistema de embalaje pegado para alimentos
CN104640899B (zh) 2012-09-18 2017-05-24 巴斯夫欧洲公司 含有被活性(甲基)丙烯酸端基封端的聚氨酯骨架的聚合物及其用作粘合剂的用途
WO2014067833A1 (de) 2012-11-02 2014-05-08 Basf Se Verwendung von wässrigen polyurethandispersionen zur kaschierung von formkörpern
KR20150120403A (ko) 2013-02-22 2015-10-27 바스프 에스이 수성 폴리우레탄 제형의 제조 방법
JP2016540837A (ja) 2013-10-16 2016-12-28 ビーエーエスエフ ソシエタス・ヨーロピアBasf Se 水と乳化可能なポリウレタンアクリレートの製造法
DE102014204582A1 (de) 2014-03-12 2015-09-17 Basf Se Neue Polymerdispersionen
JP2017523263A (ja) 2014-06-10 2017-08-17 ビーエーエスエフ ソシエタス・ヨーロピアBasf Se アシルモルホリンを含有するポリマー分散液
AU2015295375A1 (en) 2014-08-01 2017-03-02 Basf Se Methods for producing and using aqueous polyurethane/polyacrylate hybrid dispersions and use of said aqueous polyurethane/polyacrylate hybrid dispersions in coating agents
EP3227372B1 (de) 2014-12-05 2019-05-01 Basf Se Wässrige klebstoffdispersion enthaltend polyurethane und ethoxylierte fettalkohole
CA2969028C (en) * 2014-12-09 2020-07-14 Basf Coatings Gmbh Process for preparing an aqueous polyurethane-polyurea dispersion
WO2016162215A1 (de) 2015-04-07 2016-10-13 Basf Se Polymerdispersionen enthaltend n-acylpyrrolidine
KR102059586B1 (ko) * 2015-05-06 2019-12-27 바스프 코팅스 게엠베하 다층 코팅을 플라스틱 기판 상에 제조하는 방법
EP3491064B1 (de) 2016-08-01 2021-09-01 Stahl International B.V. Polymerdispersionen mit verringerter emission von acetaldehyd
US10385261B2 (en) 2017-08-22 2019-08-20 Covestro Llc Coated particles, methods for their manufacture and for their use as proppants
WO2019072590A1 (de) 2017-10-11 2019-04-18 Basf Se Schutzfolien, hergestellt aus polyolefinträgermaterial, primer und strahlungsvernetzbarem schmelzklebstoff
CN111742028A (zh) 2018-02-21 2020-10-02 巴斯夫欧洲公司 制备涂覆有粘合剂的制品的方法
EP3775084A1 (en) 2018-04-13 2021-02-17 Basf Se Oxygen scavenging aqueous lamination adhesive composition
US20220111626A1 (en) 2019-01-11 2022-04-14 Basf Se Film coating method using engraving roller system
WO2021175676A1 (en) 2020-03-02 2021-09-10 Basf Se Composite foils biodisintegratable at home compost conditions
EP4161768A1 (en) 2020-06-09 2023-04-12 Basf Se Process for recycling of bonded articles
EP4298173A1 (en) 2021-02-24 2024-01-03 Basf Se Adhesive labels comprising biodegradable aqueous polyurethane pressure-sensitive adhesive
CN117157349A (zh) 2021-04-22 2023-12-01 巴斯夫欧洲公司 用于制备涂覆成型体的方法和涂覆成型体的用途
WO2023117950A1 (en) 2021-12-21 2023-06-29 Basf Se Chemical product with environmental attributes
WO2024083787A1 (en) 2022-10-18 2024-04-25 Basf Se Storage-stable coated particles and their preparation

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA764542A (en) * 1963-02-01 1967-08-01 Oertel Harald Substantially linear polyaddition polymers
FR1413879A (fr) * 1963-02-01 1965-10-15 Bayer Ag Procédé de préparation de produits de polyaddition par le procédé de polyaddition d'isocyanate
IT714702A (es) 1963-02-16
DE1495745C3 (de) * 1963-09-19 1978-06-01 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung wäßriger, emulgatorfreier Polyurethan-Latices
GB1111043A (en) * 1964-04-27 1968-04-24 Wyandotte Chemicals Corp Aqueous polyurethane dispersions
DE1770068C3 (de) * 1968-03-27 1981-01-15 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von Polyurethanen Bayer AG, 5090 Leverkusen
US3607837A (en) * 1968-11-12 1971-09-21 Basf Wyandotte Corp Water-soluble urethane-urea polymers prepared by melt polymerization
DE2446440C3 (de) 1974-09-28 1981-04-30 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von wäßrigen Dispersionen von Sulfonatgruppen aufweisenden Polyurethanen
US4108814A (en) * 1974-09-28 1978-08-22 Bayer Aktiengesellschaft Aqueous polyurethane dispersions from solvent-free prepolymers using sulfonate diols
AU502343B2 (en) * 1975-06-02 1979-07-19 Ppg Industries, Inc. Aqueous dispersion of a non-gelled polyurethane
BR7606383A (pt) * 1975-09-26 1977-06-14 Bayer Ag Processo para a preparacao de poliuretanos
DE2555534C3 (de) 1975-12-10 1981-01-08 Bayer Ag, 5090 Leverkusen In Wasser dispergierbare Polyurethane
US4147679A (en) * 1976-06-02 1979-04-03 Ppg Industries, Inc. Water-reduced urethane coating compositions
DE2725589A1 (de) * 1977-06-07 1978-12-21 Bayer Ag Verfahren zur herstellung von waessrigen polyurethan-dispersionen und -loesungen
DE2811148A1 (de) * 1978-03-15 1979-09-20 Bayer Ag Verfahren zur herstellung von waessrigen polyurethan-dispersionen und -loesungen

Also Published As

Publication number Publication date
AU5155879A (en) 1980-04-17
AR221506A1 (es) 1981-02-13
EP0009760A1 (de) 1980-04-16
JPS5550015A (en) 1980-04-11
DE2963119D1 (en) 1982-08-05
US4292226A (en) 1981-09-29
DE2843790A1 (de) 1980-04-17
ES484782A0 (es) 1980-12-01
ATE1197T1 (de) 1982-07-15
CA1129129A (en) 1982-08-03
BR7906436A (pt) 1980-06-17
EP0009760B1 (de) 1982-06-16

Similar Documents

Publication Publication Date Title
ES8101087A1 (es) Procedimiento para la obtencion de dispersiones o solucionesacuosas de poliuretan-poliureas
ES8101906A1 (es) Un procedimiento para encapsular material no miscible con agua
ES478619A1 (es) Procedimiento para la obtencion de soluciones o dispersiones acuosas de poliuretanos.
DE2860037D1 (en) Process for the preparation of aqueous dispersions or solutions of polyurethanes, their use as coatings forf lexible substrates
ATE70545T1 (de) Verfahren zur herstellung von waessrigen dispersionen von polyurethan-polyharnstoffen.
ES405055A1 (es) Procedimiento y aparato para la produccion de articulos conformados a partir de materiales de desperdicio industria-les, fibrosos y minerales.
DE3063317D1 (en) Process for preparing stable aqueous dispersions of oligo- or polyurethanes, and their use as coating agents for flexible or non-flexible substrates
GB1462597A (en) Process for the preparation of polyurethanes
IE33021B1 (en) New guanylhydrazones and process for their manufacture
JPS56122835A (en) Manufacture of waterrsoluble nitrogenncontaining condensated product and its use in pulping
ES441618A1 (es) Procedimiento para la preparacion de un acido silicico fina-mente dividido.
GB1523148A (en) Reactive polyurethane coatings
JPS5584354A (en) Thermoplastic chemical material and preparing same
ES486804A1 (es) Procedimiento para producir un estratificado textil
GB1230366A (es)
AU547029B2 (en) Foam composition
AU526532B2 (en) Aqueous dispersions of polymers
ATE138110T1 (de) Herstellung von metallischem kobaltpulver
DE2962851D1 (en) Aqueous copolymer dispersions produced by a special process, process for their production and their use as binding agents in aqueous paints
ES432941A1 (es) Procedimiento de preparacion de compuestos oxa incluyendo oxazolidinas y oxacinas.
ES440218A1 (es) Metodo de preparacion de una composicion polimera de amiva- epicloro-hidrina, cationica, hidrosoluble.
GR3003130T3 (en) Compositions comprising ceramic materials
EP0301718A3 (en) Process for preparing novel diamines
AU3052989A (en) Process for coating electrically conductive substrates, substrates so obtained, and aqueous electrophoretic enamel baths
JPS51119795A (en) A process for preparing a novel aqueous polyurethane dispesion