ES8503698A1 - Un procedimiento para producir dispersiones acuosas estables de poliuretanos que contienen en la macromolecula grupos ionicos hidrofilicos. - Google Patents
Un procedimiento para producir dispersiones acuosas estables de poliuretanos que contienen en la macromolecula grupos ionicos hidrofilicos.Info
- Publication number
- ES8503698A1 ES8503698A1 ES523741A ES523741A ES8503698A1 ES 8503698 A1 ES8503698 A1 ES 8503698A1 ES 523741 A ES523741 A ES 523741A ES 523741 A ES523741 A ES 523741A ES 8503698 A1 ES8503698 A1 ES 8503698A1
- Authority
- ES
- Spain
- Prior art keywords
- groups
- polyol
- reacted
- subjected
- polyurethanes
- 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
Links
Classifications
-
- 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
- C08G18/67—Unsaturated compounds having active hydrogen
- C08G18/671—Unsaturated compounds having only one group containing active hydrogen
- C08G18/672—Esters of acrylic or alkyl acrylic acid having only one group containing active hydrogen
-
- 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
- C08F299/00—Macromolecular compounds obtained by interreacting polymers involving only carbon-to-carbon unsaturated bond reactions, in the absence of non-macromolecular monomers
- C08F299/02—Macromolecular compounds obtained by interreacting polymers involving only carbon-to-carbon unsaturated bond reactions, in the absence of non-macromolecular monomers from unsaturated polycondensates
- C08F299/06—Macromolecular compounds obtained by interreacting polymers involving only carbon-to-carbon unsaturated bond reactions, in the absence of non-macromolecular monomers from unsaturated polycondensates from polyurethanes
- C08F299/065—Macromolecular compounds obtained by interreacting polymers involving only carbon-to-carbon unsaturated bond reactions, in the absence of non-macromolecular monomers from unsaturated polycondensates from polyurethanes from polyurethanes with side or terminal unsaturations
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyurethanes Or Polyureas (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Macromonomer-Based Addition Polymer (AREA)
Abstract
PROCEDIMIENTO PARA PRODUCIR DISPERSIONES ACUOSAS ESTABLES DE POLIURETANOS QUE CONTIENEN EN LA MACROMOLECULA GRUPOS IONICOS HIDROFILICOS.COMPRENDE: A) HACER REACCIONAR A UNA COMPOSICION FORMADA POR UN DIOL QUE CONTIENE GRUPOS IONIZABLES Y POR UN MACROGLICOL LINEAL DE PESO MOLECULAR ENTRE 500 Y 5.000 Y DEL TIPO POLIOL-POLIETER Y/O POLIOL-POLIESTER, CON UN DIISOCIANATO EN EXCESO SEGUN (EQ-CNO/EQ-OH) ENTRE 1,2 Y 2, Y A TEMPERATURA H 100JC, PARA OBTENER UN PREPOLIMERO POLIISOCIANICO QUE CONTIENE GRUPOS ISOCIANICOS LIBRES; B) HACER REACCIONAR AL PREPOLIMERO DE LA ETAPA A) CON UN COMPUESTO DE FORMULA, CH2FCR-COOX, PARA OBTENER UN OLIGOURETANO CON GRUPOS TERMINALES INSATURADOS VINILICOS. SIENDO R, H O CH3 Y X ES UN RADICAL HIDROXIALQUILICO; C) SONETER AL OLIGOURETANO DE LA ETAPA B) A UN TRATAMIENTO DE SALIFICACION, PARA TRANSFORMAR LOS GRUPOS IONIZABLES DEL DIOL EN CATIONES O ANIONES HIDROFILICOS DEL TIPO AMONIO CUATERNARIO, CARBOXILICO O SULFURICO; Y D) SOMETER AL OLIGOURETANO CON CATIONES O ANIONES HIDROFILICOS A UN TRATAMIENTO DE POLIMERIZACION DE GRUPOS INSATURADOS TERMINALES, EN DISPERSION ACUOSA, PARA OBTENER UNA DISPERSION ACUOSA DE POLIURETANO ESTABLE.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT22178/82A IT1153000B (it) | 1982-07-01 | 1982-07-01 | Dispersioni acquose di poliuretani da oligouretani aventi gruppi terminali insaturi |
Publications (2)
Publication Number | Publication Date |
---|---|
ES523741A0 ES523741A0 (es) | 1985-03-16 |
ES8503698A1 true ES8503698A1 (es) | 1985-03-16 |
Family
ID=11192646
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES523741A Expired ES8503698A1 (es) | 1982-07-01 | 1983-06-30 | Un procedimiento para producir dispersiones acuosas estables de poliuretanos que contienen en la macromolecula grupos ionicos hidrofilicos. |
Country Status (6)
Country | Link |
---|---|
US (1) | US4497932A (es) |
EP (1) | EP0098752B1 (es) |
JP (1) | JPH0643476B2 (es) |
DE (1) | DE3372101D1 (es) |
ES (1) | ES8503698A1 (es) |
IT (1) | IT1153000B (es) |
Families Citing this family (57)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8401785A (nl) * | 1984-06-04 | 1986-01-02 | Polyvinyl Chemie Holland | Werkwijze voor de bereiding van een waterige dispersie van urethan-acrylaat entcopolymeren, alsmede aldus verkregen stabiele waterige dispersie. |
DE3437918A1 (de) * | 1984-10-17 | 1986-04-17 | Bayer Ag, 5090 Leverkusen | Waessrige oligourethan-dispersionen mit eingebauten, ungesaettigten gruppen und ihre verwendung zur herstellung von hochglaenzenden lacken auf leder aus waessriger phase |
IT1177161B (it) * | 1984-11-12 | 1987-08-26 | Resem Spa | Polimeri di monomeri etilenicamente insaturi modificati con oligouretani e dispersioni acquose da essi ottenute |
US4644030A (en) * | 1985-02-01 | 1987-02-17 | Witco Corporation | Aqueous polyurethane - polyolefin compositions |
US4649082A (en) * | 1985-03-07 | 1987-03-10 | Ppg Industries, Inc. | Radiation curable compositions based on radiation curable esters of polyfunctional hydroxyl-containing carboxylic acids |
IT1187641B (it) * | 1985-03-21 | 1987-12-23 | Donegani Guido Ist | Films densi poliuretanici e processo per la loro preparazione |
DE3526016A1 (de) * | 1985-07-20 | 1987-01-22 | Huels Chemische Werke Ag | Lagerstabile, strahlenhaertbare, nco-freie, waessrige emulsionen |
DE3606513C2 (de) * | 1986-02-28 | 1998-05-07 | Basf Coatings Ag | Dispersionen von vernetzten Polymermikroteilchen in wäßrigen Medien und Verfahren zur Herstellung dieser Dispersionen |
US5102774A (en) * | 1986-12-08 | 1992-04-07 | Armstrong World Industries, Inc. | Photoimagable coating compositions which are developable in aqueous alkaline solutions and can be used for solder mask compositions |
IT1198254B (it) * | 1986-12-24 | 1988-12-21 | Raffineria Olii Lubirificanti | Procedimento per migliorare la tingibilita' di manufatti tessili tessuti o non tessuti |
IT1213441B (it) * | 1986-12-30 | 1989-12-20 | Ausimont Spa | Dispersioni acquose di poliuretani e fluorurati e loro impiego per spalmature tessili. |
EP0353797A1 (en) * | 1988-06-30 | 1990-02-07 | Akzo N.V. | A functionalized polyurethane which can be used to prepare aqueous dispersions of polymer hibrids |
DE3911827A1 (de) * | 1989-04-11 | 1990-10-25 | Basf Ag | Waessrige dispersionen von durch einwirkung von energiereicher strahlung vernetzbaren polyurethanen |
DE3916340A1 (de) * | 1989-05-19 | 1990-11-22 | Huels Chemische Werke Ag | Verfahren zur herstellung waessriger, strahlenhaertbarer urethanacrylatdispersionen |
JPH072827B2 (ja) * | 1989-12-28 | 1995-01-18 | 日本ペイント株式会社 | 高分子組成物、それを乳化剤として用いた水性分散体および水性塗料組成物 |
EP0447998B2 (en) * | 1990-03-20 | 2001-04-11 | Toyo Boseki Kabushiki Kaisha | An aqueous resin composition |
DE4012339A1 (de) * | 1990-04-18 | 1991-10-24 | Bayer Ag | Waessrige loesungen oder dispersionen von (meth)acryloylgruppen aufweisenden oligourethanen, ein verfahren zu ihrer herstellung und ihre verwendung |
US5133997A (en) * | 1991-01-16 | 1992-07-28 | Union Carbide Marble Care, Inc. | Surface coating and method for applying same |
US5240979A (en) * | 1991-01-16 | 1993-08-31 | Union Carbide Chemicals & Plastics Technology Corporation | Surface coating and method for applying same |
DE4106121A1 (de) * | 1991-02-27 | 1992-09-03 | Bayer Ag | Hydrophile, olefinisch ungesaettigte polyurethane und ihre verwendung als reaktive emulgatoren |
DE4122265A1 (de) | 1991-07-05 | 1993-01-07 | Hoechst Ag | Polyurethan-dispersionen |
DE4122266A1 (de) * | 1991-07-05 | 1993-01-07 | Hoechst Ag | Polyurethan-dispersionen |
AU665599B2 (en) * | 1991-11-08 | 1996-01-11 | Hemosol Inc. | Hemoglobins as drug delivery agents |
US5453295A (en) * | 1992-01-15 | 1995-09-26 | Morton International, Inc. | Method for preventing filiform corrosion of aluminum wheels by powder coating with a thermosetting resin |
DE4228713A1 (de) * | 1992-08-28 | 1994-03-03 | Hoechst Ag | Wäßrige, strahlenhärtbare Bindemitteldispersionen |
NZ248977A (en) * | 1992-11-09 | 1995-06-27 | Squibb & Sons Inc | Pressure-sensitive adhesive comprising a polyurethane having excess hydroxyl functionality; medical articles comprising a layer of such adhesive |
DE4336206A1 (de) * | 1993-10-23 | 1995-04-27 | Hoechst Ag | Wäßrige selbstvernetzende Polyurethan-Vinyl-Hybrid-Dispersionen |
DE4339870A1 (de) * | 1993-11-23 | 1995-05-24 | Basf Lacke & Farben | Verfahren zur Herstellung einer zweischichtigen Lackierung und wäßrige Lacke |
DE4342384A1 (de) * | 1993-12-11 | 1995-06-14 | Hoechst Ag | Wasserverdünnbare Zweikomponenten-Überzugsmasse |
DE4434554A1 (de) * | 1994-09-28 | 1996-04-04 | Basf Ag | Strahlungshärtbare wäßrige Polyurethandispersionen |
US6384110B1 (en) | 1995-08-15 | 2002-05-07 | Georgia Tech Research Corporation | Water-borne polyurethane coatings by miniemulsion polymerization |
DE19602040A1 (de) * | 1996-01-20 | 1997-07-24 | Herberts Gmbh | Wäßrige Polymer/Polyurethan-Harz-Bindemitteldispersion, deren Herstellung, Überzugsmittel und Verwendung |
DE19611812A1 (de) * | 1996-03-26 | 1997-10-02 | Herberts Gmbh | Wasserverdünnbare Dispersion, Verfahren zu ihrer Herstellung und Überzugsmittel |
US6166127A (en) * | 1997-06-27 | 2000-12-26 | The Sherwin-Williams Company | Interpenetrating networks of polymers |
DE19753222A1 (de) * | 1997-12-01 | 1999-06-02 | Bayer Ag | Selbstvernetzende Polyurethan-Polyacrylat-Hybriddispersionen |
US6022925A (en) * | 1998-06-23 | 2000-02-08 | The Sherwin-Williams Company | Partial interpenetrating networks of polymers |
US6316535B1 (en) | 1999-05-18 | 2001-11-13 | Armstrong World Industries, Inc. | Coating system and method of applying the same |
DE19933826A1 (de) * | 1999-07-20 | 2001-02-01 | Basf Ag | Wässrige Dispersion einer Mischung eines Polyurethans mit einem strahlungshärtbaren (Meth)acrylat-Präpolymer |
DE50014951D1 (de) * | 1999-09-30 | 2008-03-20 | Basf Ag | Mit uv-strahlung und thermisch härtbare wässrige polyurethandispersionen sowie deren verwendung |
JP2001354736A (ja) * | 2000-06-12 | 2001-12-25 | Lock Paint Kk | 水系樹脂組成物 |
DE10039262B4 (de) * | 2000-08-11 | 2006-03-30 | Basf Coatings Ag | Polyurethane, Verfahren zu deren Herstellung, sowie ihre Verwendung zur Herstellung von Pfropfmischpolymerisaten, Beschichtungsstoffen, Klebstoffen und Dichtungsmassen |
GB0024243D0 (en) * | 2000-10-04 | 2000-11-15 | Avecia Bv | Production of Aqueous polymer emulsions |
US20040242763A1 (en) * | 2001-11-28 | 2004-12-02 | Michel Tielemans | Radiation-curable polyurethane dispersion |
KR100503072B1 (ko) * | 2002-10-25 | 2005-07-21 | 삼성전자주식회사 | 오버코트층 형성용 조성물 및 이를 채용한 유기감광체 |
ITSV20070004A1 (it) * | 2007-02-02 | 2008-08-03 | Cristina Scarzella | Sistema di termostatazione elettrica di tubazioni per trasporto di prodotti fluidi e semifluidi |
DE102008002008A1 (de) | 2007-06-04 | 2008-12-11 | Basf Se | Verfahren zur Herstellung wasseremulgierbarer Polyurethanacrylate |
DE102007026196A1 (de) | 2007-06-04 | 2008-12-11 | Basf Se | Verfahren zur Herstellung wasseremulgierbarer Polyurethanacrylate |
DE102009008950A1 (de) | 2009-02-13 | 2010-08-19 | Bayer Materialscience Ag | Wässrige Beschichtungssysteme auf Basis physikalisch trocknender Urethanacrylate |
DE102010001956A1 (de) | 2009-02-17 | 2010-08-19 | Basf Se | Verfahren zur Herstellung wasseremulgierbarer Polyurethanacrylate |
DE102010003308A1 (de) | 2009-03-31 | 2011-01-13 | Basf Se | Strahlungshärtbare wasseremulgierbare Polyurethan(meth)acrylate |
EP2348061A1 (de) | 2010-01-21 | 2011-07-27 | Bayer MaterialScience AG | Verfahren zur Herstellung von wasseremulgierbaren Polyurethanpolyacrylat-Hybridsystemen |
US20150191626A1 (en) | 2012-06-26 | 2015-07-09 | Axalta Coating Systems Ip Co., Llc | Process for multi-layer coating |
US9752056B2 (en) | 2012-10-24 | 2017-09-05 | Basf Se | Radiation-curing, water-dispersible polyurethane (meth)acrylates |
JP6436996B2 (ja) | 2013-08-26 | 2018-12-12 | ビーエーエスエフ ソシエタス・ヨーロピアBasf Se | 放射線硬化性で水分散性のポリウレタン(メタ)アクリレート |
RU2656392C2 (ru) | 2013-10-16 | 2018-06-06 | Басф Се | Способ получения водоэмульгируемых полиуретанакрилатов |
EP3820927B1 (en) | 2018-07-13 | 2024-07-17 | Miwon Austria Forschung und Entwicklung GmbH | Water-dispersible polyurethane (meth)acrylates for actinic radiation curable coatings |
EP3870618B1 (de) | 2018-10-26 | 2023-07-12 | Basf Se | Wässrige bindemittelformulierung auf basis von funktioalisierten polyurethanen |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1495745C3 (de) * | 1963-09-19 | 1978-06-01 | Bayer Ag, 5090 Leverkusen | Verfahren zur Herstellung wäßriger, emulgatorfreier Polyurethan-Latices |
US3472807A (en) * | 1965-12-06 | 1969-10-14 | Grace W R & Co | Vinyl-containing copolymer latex and method of preparing same |
DE1770068C3 (de) * | 1968-03-27 | 1981-01-15 | Bayer Ag, 5090 Leverkusen | Verfahren zur Herstellung von Polyurethanen Bayer AG, 5090 Leverkusen |
DE2325825C3 (de) * | 1973-05-22 | 1980-07-03 | Chemische Werke Huels Ag, 4370 Marl | Verfahren zur Herstellung vonvemetetel1· licht- und lagerstabilen, wäßrigen Polyurethandispersionen |
GB1575637A (en) * | 1976-10-04 | 1980-09-24 | Textron Inc | Aqueous colloidal polyurea-urethane ionomer dispersions |
DE2725589A1 (de) | 1977-06-07 | 1978-12-21 | Bayer Ag | Verfahren zur herstellung von waessrigen polyurethan-dispersionen und -loesungen |
DE2734576A1 (de) * | 1977-07-30 | 1979-02-08 | Bayer Ag | Verfahren zur herstellung von waessrigen dispersionen oder loesungen von isocyanat-polyadditionsprodukten |
DE2804609A1 (de) * | 1978-02-03 | 1979-08-09 | Bayer Ag | Waessrige loesungen oder dispersionen von polyisocyanat-polyadditionsprodukten, ein verfahren zu ihrer herstellung, sowie ihre verwendung als klebemittel |
US4183836A (en) * | 1978-02-06 | 1980-01-15 | E. I. Du Pont De Nemours And Company | Aqueous polyurethane dispersions |
DE2811148A1 (de) * | 1978-03-15 | 1979-09-20 | Bayer Ag | Verfahren zur herstellung von waessrigen polyurethan-dispersionen und -loesungen |
US4153778A (en) * | 1978-03-30 | 1979-05-08 | Union Carbide Corporation | Acrylyl capped urethane oligomers |
JPS54134741A (en) * | 1978-04-13 | 1979-10-19 | Asahi Chem Ind Co Ltd | Film-forming urethane resin emulsion composition |
JPS54138025A (en) * | 1978-04-18 | 1979-10-26 | Asahi Chem Ind Co Ltd | Crosslinkable elastic emulsion composition |
DE2827156A1 (de) * | 1978-06-21 | 1980-01-10 | Bayer Ag | Waessrige dispersionen oder loesungen von oligomeren oder polymeren kunststoffen, ein verfahren zu ihrer herstellung, sowie ihre verwendung |
DE2936039A1 (de) * | 1979-09-06 | 1981-04-02 | Bayer Ag, 5090 Leverkusen | Wasserdispergierbare, durch strahlen vernetzbare bindemittel aus urethanacrylaten, ein verfahren zu ihrer herstellung sowie die verwendung dieser bindemittel in waessriger dispersion auf dem anstrich-, druckfarben- und textilsektor |
EP0052958A3 (en) * | 1980-11-03 | 1982-10-20 | Olin Corporation | Modified polyurethane liquid polymer compositions and their preparation |
DE3137748A1 (de) * | 1981-09-23 | 1983-03-31 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von hitzeaktivierbare vernetzer enthaltenden waessrigen dispersionen oder loesungen von polyurethan-polyharnstoffen, die nach dem verfahren erhaeltlichen dispersionen oder loesungen, sowie ihre verwendung zur herstellung von ueberzuegen |
EP0076126B1 (en) * | 1981-09-29 | 1986-01-22 | Olin Corporation | Modified polyurethane liquid polymer compositions |
-
1982
- 1982-07-01 IT IT22178/82A patent/IT1153000B/it active
-
1983
- 1983-06-30 ES ES523741A patent/ES8503698A1/es not_active Expired
- 1983-06-30 US US06/509,654 patent/US4497932A/en not_active Expired - Lifetime
- 1983-07-01 EP EP83303856A patent/EP0098752B1/en not_active Expired
- 1983-07-01 DE DE8383303856T patent/DE3372101D1/de not_active Expired
- 1983-07-01 JP JP58118366A patent/JPH0643476B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0643476B2 (ja) | 1994-06-08 |
EP0098752A2 (en) | 1984-01-18 |
ES523741A0 (es) | 1985-03-16 |
IT8222178A0 (it) | 1982-07-01 |
DE3372101D1 (en) | 1987-07-23 |
US4497932A (en) | 1985-02-05 |
IT1153000B (it) | 1987-01-14 |
EP0098752B1 (en) | 1987-06-16 |
EP0098752A3 (en) | 1984-12-12 |
JPS5930814A (ja) | 1984-02-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ES8503698A1 (es) | Un procedimiento para producir dispersiones acuosas estables de poliuretanos que contienen en la macromolecula grupos ionicos hidrofilicos. | |
ES461992A1 (es) | Procedimiento para la obtencion in situ de dispersiones es- tables de productos de poliadicion y policondensacion. | |
JPS54148893A (en) | Production of flexible polyether polyurethane foam | |
AU2749992A (en) | Method of making polyurethane foam | |
KR890003913A (ko) | 폴리이소시아네이트 중부가 생성물의 수성용액 및 분산액, 수성용액 및 분산액의 제조방법 및 접착제로서의 이들의 용도 | |
JPS6469342A (en) | Primer-less adhesive for glass fiber reinforced polyester base material | |
DE3561730D1 (en) | Cold-curable pur dispersions, their production and their use | |
ES477660A1 (es) | Procedimiento para la obtencion de materiales espumados a base de poliisocianato. | |
GB1365939A (en) | Process for preparing thermoset 'oam lamina'es and foam and appar atus therefor | |
ES8305677A1 (es) | Procedimiento para la obtencion de poliaminas primarias. | |
EP0097298A3 (en) | Polyamines, process for producing polyamines and their use in the production of polyurethanes | |
ES224083A1 (es) | MEJORAS INTRODUCIDAS EN EL PROCEDIMIENTO DE FABRICACIoN DE UNA ESTRUCTURA CELULAR FLEXIBLE | |
ES463944A1 (es) | Procedimiento para la obtencion de mezclas de poliisociana- tos. | |
ATE33989T1 (de) | Verfahren zur herstellung von polymer-polyolen anwendbar fuer die herstellung von polyurethanen. | |
ES8203110A1 (es) | Procedimiento para la preparacion de ligantes diluibles con agua,portadores de grupos de oxazolidina | |
GB1491936A (en) | Cure of polyurethanes with mixed curatives | |
ES254953A1 (es) | Procedimiento de obtenciën de un polimero de puliuretano y de hilo del mismo | |
ES8100320A1 (es) | Metodo para la fabricacion de una composicion de poliuretano | |
ES2073758T3 (es) | Laca acuosa y reticulante con contenido en grupos nco y procedimiento para recubrir substratos conductores electricos. | |
GB802189A (en) | Process for the production of rubber-like polyurethane plastics of high molecular weight | |
GB1536977A (en) | Process for the preparation of polyether polyols which contain amide groups | |
ES451041A1 (es) | Procedimiento para la preparacion de apositos a base de ge- les de poliuretanurea. | |
GB938868A (en) | Material suitable for use in upholstery | |
GB874859A (en) | Process for the production of foam materials containing urethane groups | |
GB788568A (en) | Treatment of flexible cellular material |