ES2090204T5 - Procedimiento para la obtencion de espumas flexibles de poliuretano ignifugas con una reducida densidad de gas de humo y dispersiones de melamina-grafito expansivo-polieter-poliol para ello. - Google Patents

Procedimiento para la obtencion de espumas flexibles de poliuretano ignifugas con una reducida densidad de gas de humo y dispersiones de melamina-grafito expansivo-polieter-poliol para ello.

Info

Publication number
ES2090204T5
ES2090204T5 ES91117703T ES91117703T ES2090204T5 ES 2090204 T5 ES2090204 T5 ES 2090204T5 ES 91117703 T ES91117703 T ES 91117703T ES 91117703 T ES91117703 T ES 91117703T ES 2090204 T5 ES2090204 T5 ES 2090204T5
Authority
ES
Spain
Prior art keywords
melamine
graphite
dispersions
polyol
ignifugal
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
ES91117703T
Other languages
English (en)
Other versions
ES2090204T3 (es
Inventor
Heinz-Dieter Dr Lutter
Ruth Dr Zschiesche
Hans-Jurgen Dr Gabbert
Volker Haase
Karl Fimmel
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6417079&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2090204(T5) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by BASF SE filed Critical BASF SE
Publication of ES2090204T3 publication Critical patent/ES2090204T3/es
Application granted granted Critical
Publication of ES2090204T5 publication Critical patent/ES2090204T5/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
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/34—Heterocyclic compounds having nitrogen in the ring
    • C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
    • C08K5/3477—Six-membered rings
    • C08K5/3492—Triazines
    • C08K5/34922—Melamine; Derivatives thereof
    • 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
    • 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
    • C08G18/30—Low-molecular-weight compounds
    • C08G18/38—Low-molecular-weight compounds having heteroatoms other than oxygen
    • C08G18/3819—Low-molecular-weight compounds having heteroatoms other than oxygen having nitrogen
    • C08G18/3842—Low-molecular-weight compounds having heteroatoms other than oxygen having nitrogen containing heterocyclic rings having at least one nitrogen atom in the ring
    • C08G18/3851—Low-molecular-weight compounds having heteroatoms other than oxygen having nitrogen containing heterocyclic rings having at least one nitrogen atom in the ring containing three nitrogen atoms in the ring
    • 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
    • C08G18/6552—Compounds of group C08G18/63
    • C08G18/6558—Compounds of group C08G18/63 with compounds of group C08G18/32 or polyamines of C08G18/38
    • C08G18/657—Compounds of group C08G18/63 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of C08G18/3225 or C08G18/3271 or polyamines of C08G18/38
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
    • C08K13/02—Organic and inorganic ingredients
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
    • C08K3/04—Carbon
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/32—Phosphorus-containing compounds
    • 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
    • C08G2110/0058—≥50 and <150kg/m3

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)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

LA INVENCION TRATA DE UN PROCEDIMIENTO QUE SE UTILIZA PARA PRODUCIR MATERIAL ESPUMOSO BLANDO RESISTENTE A LA LLAMA Y CUYA COMBUSTION PRODUZCA POCO VOLUMEN DE GAS DE HUMO Y CONSISTE EN HACER REACCIONAR UN POLIISOCIANATO ORGANICO MODIFICADO Y/O POLIISOCIANATO ORGANICO CON UN COMPUESTO DE ELEVADO PESO MOLECULAR Y QUE TIENE DOS ATOMOS DE HIDROGENO REACTIVOS CON PROLONGADORES DE CADENA Y RETICULADORES EN PRESENCIA DE UNA MEZCLA DE MEDIOS PROTECTORES DE LLAMA, PROPULSORES, CATALIZADORES, MEDIOS AUXILIARES, ADITIVOS Y DISPERSIONES DE POLIOL-POLIETER-GRAFITO POROSO-MELANINA. LA MEZCLA DE MEDIOS PROTECTORES DE LLAMA CONTIENE MELANINA , GRAFITO POROSO Y UN POLIFOSFATO DE AMONIO MODIFICADO O NO, QUE ES UN MEDIO PROTECTOR DE LLAMA.
ES91117703T 1990-10-26 1991-10-17 Procedimiento para la obtencion de espumas flexibles de poliuretano ignifugas con una reducida densidad de gas de humo y dispersiones de melamina-grafito expansivo-polieter-poliol para ello. Expired - Lifetime ES2090204T5 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4034046A DE4034046A1 (de) 1990-10-26 1990-10-26 Verfahren zur herstellung von flammwidrigen polyurethan-weichschaumstoffen mit verminderter rauchgasdichte und melamin-blaehgraphit-polyether-polyol-dispersionen hierfuer

Publications (2)

Publication Number Publication Date
ES2090204T3 ES2090204T3 (es) 1996-10-16
ES2090204T5 true ES2090204T5 (es) 2001-05-16

Family

ID=6417079

Family Applications (1)

Application Number Title Priority Date Filing Date
ES91117703T Expired - Lifetime ES2090204T5 (es) 1990-10-26 1991-10-17 Procedimiento para la obtencion de espumas flexibles de poliuretano ignifugas con una reducida densidad de gas de humo y dispersiones de melamina-grafito expansivo-polieter-poliol para ello.

Country Status (9)

Country Link
US (1) US5739173A (es)
EP (1) EP0482507B2 (es)
JP (1) JP3164614B2 (es)
KR (1) KR100205681B1 (es)
AT (1) ATE141313T1 (es)
CA (1) CA2054287C (es)
DE (2) DE4034046A1 (es)
DK (1) DK0482507T4 (es)
ES (1) ES2090204T5 (es)

Families Citing this family (57)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19540809A1 (de) * 1995-09-02 1997-03-06 Basf Ag Verfahren zur Herstellung von flammwidrigen Polyurethan-Weichschaumstoffen
US5885479A (en) * 1996-08-28 1999-03-23 Basf Aktiengesellschaft Production of flame-resistant flexible polyurethane foams
DE19704833A1 (de) * 1997-02-08 1998-08-13 Gruenau Gmbh Chem Fab Feuerwiderstandsfähiger Öffnungsverschluß
DE19728543A1 (de) * 1997-07-04 1999-01-07 Basf Ag Verfahren zur Herstellung von Polyurethan-Hartschaumstoffen mit geringer Wärmeleitfähigkeit
US6228914B1 (en) 1998-01-02 2001-05-08 Graftech Inc. Intumescent composition and method
US5968669A (en) * 1998-06-23 1999-10-19 J. M. Huber Corporation Fire retardant intumescent coating for lignocellulosic materials
DK1159341T4 (da) * 1998-12-18 2006-12-18 Dow Global Technologies Inc Polyurethanbaseret skum, som indeholder ekspanderende grafit og fremgangsmåde til fremstilling heraf
AU6842500A (en) 1999-10-07 2001-05-10 Huntsman International Llc Process for making rigid and flexible polyurethane foams containing a fire-retardant
DE19962911C2 (de) * 1999-12-23 2002-11-21 Bayer Ag Flammwidriger HR-Kaltformschaum mit reduzierter Rauchgasintensität und -toxizität
DE10007980B4 (de) * 2000-02-22 2007-07-12 Hilti Ag Zweikomponenten-Ortschaumsystem und dessen Verwendung zum Ausschäumen von Öffnungen zum Zwecke des Brandschutzes
US6245842B1 (en) 2000-03-03 2001-06-12 Trus Joist Macmillan A Limited Partnership Flame-retardant coating and building product
JP4043750B2 (ja) * 2000-10-16 2008-02-06 古河電気工業株式会社 電磁波シールドガスケット
JP4530557B2 (ja) * 2001-03-09 2010-08-25 Ｊｕｋｉ株式会社 いせ込みミシン
FR2826968B1 (fr) * 2001-07-05 2005-07-29 Anjou Maquettes Prototype Materiau ignifuge a base de polyurethane dense
JP3546033B2 (ja) * 2001-09-27 2004-07-21 東海ゴム工業株式会社 車両用難燃性防音・防振材及びその製造方法
KR20030045482A (ko) * 2001-12-04 2003-06-11 썬스타 산업봉제기계 주식회사 전자식 지그재그 재봉기에서 반전기능 예약설정 방법 및그 장치
US6753357B2 (en) * 2001-12-18 2004-06-22 Foam Supplies, Inc. Rigid foam compositions and method employing methyl formate as a blowing agent
BR0308127B1 (pt) * 2002-03-15 2012-07-10 poliol enxertado, processos para a preparação do mesmo e de poliuretanos, e, uso de um poliol enxertado.
FR2853654A1 (fr) * 2003-04-10 2004-10-15 Faurecia Assentos De Automovel Procede d'obtention de compositions de mousse flexible de polyurethane, graphitee, moulee a froid
NL1024770C2 (nl) * 2003-04-28 2004-11-24 Beele Eng Bv Brandwerend schuim, constructie-elementen daarvan, systeem voor het vlamdicht afdichten van een opening, alsmede een werkwijze voor het afdichten van een opening in een wand.
US7629043B2 (en) 2003-12-22 2009-12-08 Kimberly-Clark Worldwide, Inc. Multi purpose cleaning product including a foam and a web
NL1025485C2 (nl) * 2004-02-13 2005-08-16 Beele Eng Bv Systeem en werkwijze voor het afdichten van een opening in een wand waarin ten minste een transportinrichting zoals een kabel, leiding of buis is doorgevoerd.
KR100586612B1 (ko) 2005-03-16 2006-06-07 주식회사 세림티티시 흑연을 함유하는 연질용 폴리우레탄 발포체의 제조방법
WO2006125258A1 (en) * 2005-05-24 2006-11-30 Pacific Brands Household Products Pty Ltd Low resilience flame retardant polyurethane foam
AU2006251857B2 (en) * 2005-05-24 2011-04-07 Australian Comfort Group Pty. Ltd. Low resilience flame retardant polyurethane foam
EP1941000B1 (en) * 2005-10-26 2015-08-26 Industrial Property of Scandinavia AB Fire-resistant composition for coating, sealing and protection purposes
JP4836678B2 (ja) * 2006-06-16 2011-12-14 株式会社イノアックコーポレーション クッション体の製造方法
JP5101092B2 (ja) 2006-11-30 2012-12-19 株式会社イノアックコーポレーション 車両用ポリウレタン発泡体
US7601762B2 (en) * 2007-02-26 2009-10-13 Bayer Materialscience Llc Polyvinylchloride/polyurethane hybrid foams with improved burn properties and reduced after-glow
US7601761B2 (en) * 2007-02-26 2009-10-13 Bayer Materialscience Llc Rigid polyurethane foams with increased heat performance
WO2008105843A1 (en) * 2007-02-26 2008-09-04 Bayer Materialscience Llc Polyvinylchloride/polyurethane hybrid foams with improved burn properties
FR2929280B1 (fr) * 2008-03-28 2015-04-10 Compart Dispositif de calfeutrement et de garnissage coupe feu.
US10377871B1 (en) * 2008-09-09 2019-08-13 Chestnut Ridge Foam, Inc. Flame-retardant composition and process for a flexible open-cell polyurethane foam
US9074039B2 (en) * 2008-09-15 2015-07-07 John A. Stahl Polyurethane foam compositions and process for making same
WO2010034109A1 (en) * 2008-09-26 2010-04-01 Quantum Technical Services Ltd. Flame retardant coating
JP5644116B2 (ja) * 2010-01-21 2014-12-24 株式会社ブリヂストン 高難燃性ポリウレタンフォーム
JP5644189B2 (ja) * 2010-06-03 2014-12-24 株式会社ブリヂストン 高難燃性ポリウレタンフォーム
CN103249752B (zh) * 2010-11-22 2015-03-25 拜耳知识产权有限责任公司 制备柔性聚氨酯泡沫的方法
US8458971B2 (en) 2011-06-29 2013-06-11 Weyerhaeuser Nr Company Fire resistant wood products
US10640602B2 (en) * 2012-01-03 2020-05-05 Basf Se Flame-retardant polyurethane foams
US10266635B2 (en) * 2012-07-27 2019-04-23 Basf Se Polyurethane foams comprising phosphorus compounds
MX2015012244A (es) * 2013-03-15 2016-02-03 Basf Se Espuma de poliuretano retardante de la llama y metodo para la produccion de la misma.
US20140295164A1 (en) * 2013-03-27 2014-10-02 Weyerhaeuser Nr Company Water resistant low flame-spread intumescent fire retardant coating
EP2816066A1 (de) * 2013-06-19 2014-12-24 Basf Se Emissionsarmes, stabilisiertes Polyurethan
US9815966B2 (en) * 2014-07-18 2017-11-14 Johns Manville Spray foams containing non-halogenated fire retardants
US10011992B2 (en) * 2015-02-07 2018-07-03 Colorado Roofing Products, LLC Polymeric foam product
CN106554612B (zh) * 2015-09-29 2019-08-06 万华化学集团股份有限公司 无卤阻燃热塑性聚氨酯弹性体组合物及其制品、阻燃剂包
CN107880314B (zh) * 2016-09-30 2022-01-25 科思创德国股份有限公司 复合阻燃剂以及包含其的聚氨酯材料
JP7018271B2 (ja) * 2017-07-31 2022-02-10 株式会社イノアックコーポレーション ポリウレタンフォーム
US10533097B2 (en) * 2017-09-20 2020-01-14 Hexion Inc. Coating composition
CN109517208B (zh) * 2018-10-12 2021-05-07 苏州鼎烯聚材纳米科技有限公司 用于床垫的高导热石墨烯聚氨酯复合海绵的连续生产方法
EP4025619A1 (en) * 2019-09-05 2022-07-13 Basf Se A flexible polyurethane foam, process for preparing the same and use thereof
KR102162512B1 (ko) 2020-07-08 2020-10-06 강응선 팽창 흑연을 함유한 난연성 폴리우레탄 조성물 및 이를 이용한 난연성 폴리우레탄폼의 시공 방법
CN111978704B (zh) * 2020-07-14 2022-02-15 安徽嘉明新材料科技有限公司 一种热膨胀型聚氨酯的制备方法
CN115028880B (zh) * 2022-06-07 2023-05-12 安徽瑞联节能科技股份有限公司 一种轻量型保温防火复合板及其制备工艺
DE102022117527A1 (de) 2022-07-13 2024-01-18 Grammer Aktiengesellschaft System und Verfahren zur Herstellung von brandhemmendem Schaumstoff
CN116554427A (zh) * 2023-03-30 2023-08-08 佛山市惠安家居用品有限公司 一种抗静电海绵及其制备方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2348838A1 (de) * 1973-09-28 1975-04-10 Elastogran Gmbh Verfahren zur herstellung von flammfesten, isocyanuratgruppenhaltigen polyurethankunststoffen
GB8432153D0 (en) † 1984-12-20 1985-01-30 Dunlop Ltd Polyurethane foams
DE3542326C1 (en) * 1985-11-29 1987-01-02 Metzeler Schaum Gmbh Flame-retardant composite foam
DE3828544A1 (de) * 1988-08-23 1990-03-01 Bayer Ag Verfahren zur herstellung von polyurethanschaumstoffen
DE4010752A1 (de) * 1990-04-03 1991-10-10 Metzeler Schaum Gmbh Verfahren zur herstellung eines flammwidrigen, elastischen polyurethan-weichschaumstoffes

Also Published As

Publication number Publication date
EP0482507B1 (de) 1996-08-14
EP0482507B2 (de) 2001-03-28
KR920008099A (ko) 1992-05-27
ATE141313T1 (de) 1996-08-15
CA2054287C (en) 2000-03-28
ES2090204T3 (es) 1996-10-16
DK0482507T4 (da) 2001-05-14
EP0482507A3 (en) 1992-10-28
JPH05171034A (ja) 1993-07-09
KR100205681B1 (ko) 1999-07-01
DE59108073D1 (de) 1996-09-19
US5739173A (en) 1998-04-14
JP3164614B2 (ja) 2001-05-08
DE4034046A1 (de) 1992-04-30
EP0482507A2 (de) 1992-04-29
CA2054287A1 (en) 1992-04-27
DK0482507T3 (da) 1996-09-02

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