ES2088603T3 - Procedimiento para la obtencion de espumas flexibles de poliuretano de densidad reducida, exentas de hidrocarburos fluoroclorados y espumas de moldeo de poliuretano, asi como mezclas de poliisocianato a base de diisocianato de difenilmetano empleables para este, modificadas con g - Google Patents

Procedimiento para la obtencion de espumas flexibles de poliuretano de densidad reducida, exentas de hidrocarburos fluoroclorados y espumas de moldeo de poliuretano, asi como mezclas de poliisocianato a base de diisocianato de difenilmetano empleables para este, modificadas con g

Info

Publication number
ES2088603T3
ES2088603T3 ES93102026T ES93102026T ES2088603T3 ES 2088603 T3 ES2088603 T3 ES 2088603T3 ES 93102026 T ES93102026 T ES 93102026T ES 93102026 T ES93102026 T ES 93102026T ES 2088603 T3 ES2088603 T3 ES 2088603T3
Authority
ES
Spain
Prior art keywords
weight
foams
polyisocyanate mixtures
reacting
mdi
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
ES93102026T
Other languages
English (en)
Inventor
Werner Dr Hinz
Ruth Dr Zschiesche
Heinz-Dieter Dr Lutter
Bernd Dr Bruchmann
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 ES2088603T3 publication Critical patent/ES2088603T3/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
    • 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
    • C08G18/80—Masked polyisocyanates
    • C08G18/8003—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen
    • C08G18/8006—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32
    • C08G18/8009—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32 with compounds of C08G18/3203
    • C08G18/8035—Masked aromatic polyisocyanates not provided for in one single of the groups C08G18/8019 and C08G18/8029
    • 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
    • C08G18/08—Processes
    • C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
    • 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
    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • C08G18/4833—Polyethers containing oxyethylene units
    • C08G18/4837—Polyethers containing oxyethylene units and other oxyalkylene units
    • 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
    • C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
    • C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
    • C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl 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
    • C08G2110/00—Foam properties
    • C08G2110/0008—Foam properties flexible
    • 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
    • C08G2110/00—Foam properties
    • C08G2110/0041—Foam properties having specified density
    • C08G2110/005—< 50kg/m3
    • 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
    • C08G2110/00—Foam properties
    • C08G2110/0083—Foam properties prepared using water as the sole blowing agent
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S521/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S521/914—Polyurethane cellular product formed from a polyol which has been derived from at least two 1,2 epoxides as reactants

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)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Abstract

OBJETO DE LA INVENCION ES UN PROCESO PARA LA FABRICACION DE MATERIALES ESPONJOSOS DE MOLDEO (BLANDO) DE POLIURETANO LIBRES DE FCKW CON DENSIDAD DISMINUIDA BAJO LA TRANSFORMACION DE A) MEZCLAS DE POLIISOCIANATOS LIQUIDAS QUE CONTIENEN GRUPOS URETANOS LIGADOS CON UN CONTENIDO EN GRUPOS NCO 30 % EN PESO, QUE POR SU PARTE SON FABRICADOS MEDIANTE TRANSFORMACION DE UNA MEZCLA DE DIFENILMETANO ENIL POLIOXIPROPILENO AD DE 2,5 HASTA 3,5, DE UN INDICE HIDROXI DESDE 50 HASTA 90 Y DE UN CONTENIDO EN GRUPOS OXIDO ETILENO POLIMERIZADO DE MAS DE 30, HASTA MENOS DE 50 % EN PESO CON RELACION AL PESO EN GRUPOS POLIMERIZADOS OXIDO ETILENO ES DE LA TRANSFORMACION DE 4,4'' MDI) O DE UNA MEZCLA DE ISOMEROS MDI CON EL CONOCIDO POLIOXIPROPILENO EPOLIMEROS QUE CONTIENEN UN GRUPO NCO SIPREPOLIMERO CON DOH-MDI, CON B) COMPUESTOS POLIHIDROXIL DE PESO MOLECULAR MAS ALTO Y EVENTUALMENTE C) MEDIOS DE RETICULACION Y/O DE ALARGAMIENTO DE CADENA DE PESO MOLECULAR BAJO O EN PRESENCIA DE D) FERMENTO, E) CATALIZADORES ASI COMOEVENTUALMENTE, F) MEDIOS AUXILIARES Y/O SUSTANCIAS ADICIONALES, Y LAS MEZCLAS (A) DE POLIISOCIANATOS MODIFICADOS CON GRUPOS URETANOS UTILIZABLES SEGUN LA INVENCION.
ES93102026T 1992-02-27 1993-02-10 Procedimiento para la obtencion de espumas flexibles de poliuretano de densidad reducida, exentas de hidrocarburos fluoroclorados y espumas de moldeo de poliuretano, asi como mezclas de poliisocianato a base de diisocianato de difenilmetano empleables para este, modificadas con g Expired - Lifetime ES2088603T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4205934A DE4205934A1 (de) 1992-02-27 1992-02-27 Verfahren zur herstellung von fluorchlorkohlenwasserstoff freien, niedrigdichten polyurethan-weichschaumstoffen und weichelastischen polyurethan-formschaumstoffen sowie hierfuer verwendbare, mit urethangruppen modifizierte polyisocyanatmischungen auf diphenylmethan-diisocyanatbasis

Publications (1)

Publication Number Publication Date
ES2088603T3 true ES2088603T3 (es) 1996-08-16

Family

ID=6452653

Family Applications (1)

Application Number Title Priority Date Filing Date
ES93102026T Expired - Lifetime ES2088603T3 (es) 1992-02-27 1993-02-10 Procedimiento para la obtencion de espumas flexibles de poliuretano de densidad reducida, exentas de hidrocarburos fluoroclorados y espumas de moldeo de poliuretano, asi como mezclas de poliisocianato a base de diisocianato de difenilmetano empleables para este, modificadas con g

Country Status (7)

Country Link
US (2) US5374667A (es)
EP (1) EP0557792B1 (es)
AT (1) ATE140017T1 (es)
CA (1) CA2090662C (es)
DE (2) DE4205934A1 (es)
DK (1) DK0557792T3 (es)
ES (1) ES2088603T3 (es)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5459170A (en) * 1993-04-13 1995-10-17 Imperial Chemical Industries Plc Polyurethane foams
GB9307565D0 (en) * 1993-04-13 1993-06-02 Ici Plc Polyurethane foams
DE4337012A1 (de) * 1993-10-29 1995-05-04 Bayer Ag Verfahren zur Herstellung halbharter Urethangruppen aufweisender Schaumstoffe mit verbesserten Fließeigenschaften
US5494942A (en) * 1993-12-27 1996-02-27 The Dow Chemical Company Process for preparing a rigid polyurethane foam and laminate articles therewith
DE4411781A1 (de) * 1994-04-06 1995-10-12 Basf Ag Verfahren zur Herstellung von Fluorchlorkohlenwasserstoff freien hochelastischen Polyurethan-Weichschaumstoffen und hierfür verwendbare, mit Urethangruppen modifizierte Polyisocyanatmischungen auf Diphenylmethan-diisocyanatbasis
US5674920A (en) * 1994-12-08 1997-10-07 Mitsui Toatsu Chemicals, Inc. Flexible high resilience polyurethane foam
RU2103279C1 (ru) * 1995-01-20 1998-01-27 Научно-производственная фирма "Полипласт" Способ получения эластичного пенополиуретана холодного формования и активирующая смесь для его осуществления
NZ320194A (en) * 1995-11-30 2000-01-28 Ici Plc Process for preparing a flexible polyurethane foam
CN1246873A (zh) * 1997-02-11 2000-03-08 亨茨曼Ici化学品有限公司 用于低密度聚氨酯泡沫塑料的异氰酸酯组合物
US5750583A (en) * 1997-05-28 1998-05-12 Bayer Corporation Process for the production of molded polyurethane products
AU6842500A (en) * 1999-10-07 2001-05-10 Huntsman International Llc Process for making rigid and flexible polyurethane foams containing a fire-retardant
AU7662100A (en) 1999-11-02 2001-05-14 Huntsman International Llc Process for making high resilience foams
KR20010054080A (ko) * 1999-12-03 2001-07-02 조형래 고탄성 발포우레탄수지의 제조방법
EP1164153A1 (en) * 2000-06-13 2001-12-19 Huntsman International Llc Process for preparing a flexible polyurethane foam
AU2001294058A1 (en) * 2000-10-20 2002-04-29 Simba International Ltd A rotary soil engaging member and a material for use therein
ITMI20010357A1 (it) * 2001-02-22 2002-08-22 Enichem Spa Composizioni isocianiche e loro impiego nella preparazione di espansipoliuretanici a migliorate caratteristiche fisico-meccaniche
EP1234843A1 (en) 2001-02-26 2002-08-28 Huntsman International Llc Process for preparing a flexible polyurethane foam
BR0312812B1 (pt) 2002-08-02 2012-09-18 pré-polìmero terminado em isocianato, composição de poliisocianato, e, processo para a preparação de uma espuma de poliuretano flexìvel.
US20060142529A1 (en) * 2004-02-06 2006-06-29 Verena Thiede Hydrophilic polyurethane polymers derived from a mdi-based isocyanate-terminated prepolymer
US9018271B2 (en) 2010-11-03 2015-04-28 Dow Global Technologies Llc Self-crushing polyurethane systems
CN109232844A (zh) 2017-07-10 2019-01-18 日本发条株式会社 缓冲材料、座席用缓冲材料和座席
JP6534428B2 (ja) * 2017-07-10 2019-06-26 日本発條株式会社 クッション材
EP3476913B1 (en) * 2017-10-24 2020-03-25 Polytex Sportbeläge Produktions-GmbH Polyurethane adhesive

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DE1618380C3 (de) * 1967-03-08 1975-09-11 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung eines bei Raumtemperatur flüssigen Diphenylmethan-diisocyanatpräparates
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DE3824354A1 (de) * 1988-07-19 1990-01-25 Basf Ag, 67063 Ludwigshafen Verfahren zur herstellung von zellhaltigen kunststoffen nach dem polyisocyanat-polyadditionsverfahren mittels lagerstabiler, treibmittelhaltiger emulsionen und diese emulsionen
IT1229756B (it) * 1989-05-17 1991-09-10 Montedipe Spa Schiume poliuretaniche flessibili e procedimento per la loro preparazione

Also Published As

Publication number Publication date
US5374667A (en) 1994-12-20
ATE140017T1 (de) 1996-07-15
EP0557792A1 (de) 1993-09-01
CA2090662A1 (en) 1993-08-28
EP0557792B1 (de) 1996-07-03
DE59303097D1 (de) 1996-08-08
CA2090662C (en) 1997-07-08
US5534185A (en) 1996-07-09
DE4205934A1 (de) 1993-09-02
DK0557792T3 (da) 1996-07-29

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