CN102574973B - 减少聚氨酯泡沫的释放物的方法 - Google Patents

减少聚氨酯泡沫的释放物的方法 Download PDF

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Publication number
CN102574973B
CN102574973B CN201080044006.9A CN201080044006A CN102574973B CN 102574973 B CN102574973 B CN 102574973B CN 201080044006 A CN201080044006 A CN 201080044006A CN 102574973 B CN102574973 B CN 102574973B
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component
weight part
compound
formula
amino
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CN102574973A (zh
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P.哈斯
G.雅各布斯
S.迈耶-阿伦斯
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Covestro Deutschland AG
Bayer Intellectual Property GmbH
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Bayer MaterialScience AG
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    • 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
    • C08G18/4804—Two or more polyethers of different physical or chemical nature
    • C08G18/4816—Two or more polyethers of different physical or chemical nature mixtures of two or more polyetherpolyols having at least three hydroxy 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
    • C08G18/08—Processes
    • C08G18/16—Catalysts
    • C08G18/18—Catalysts containing secondary or tertiary amines or salts thereof
    • C08G18/1825—Catalysts containing secondary or tertiary amines or salts thereof having hydroxy or primary amino 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
    • C08G18/08—Processes
    • C08G18/16—Catalysts
    • C08G18/18—Catalysts containing secondary or tertiary amines or salts thereof
    • C08G18/1833—Catalysts containing secondary or tertiary amines or salts thereof having ether, acetal, or orthoester 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
    • C08G18/30—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
    • C08G18/3823—Low-molecular-weight compounds having heteroatoms other than oxygen having nitrogen containing -N-C=O groups
    • C08G18/3834—Low-molecular-weight compounds having heteroatoms other than oxygen having nitrogen containing -N-C=O groups containing hydrazide or semi-carbazide groups
    • C—CHEMISTRY; METALLURGY
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    • 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
    • C08G18/409—Dispersions of polymers of C08G in organic compounds having active hydrogen
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • 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
    • C08G18/4841—Polyethers containing oxyethylene units and other oxyalkylene units containing oxyethylene end 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
    • C08G18/40—High-molecular-weight compounds
    • C08G18/64—Macromolecular compounds not provided for by groups C08G18/42 - C08G18/63
    • C08G18/6415—Macromolecular compounds not provided for by groups C08G18/42 - C08G18/63 having nitrogen
    • 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
    • C08G18/6666—Compounds of group C08G18/48 or C08G18/52
    • C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
    • C08G18/6681—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38
    • C08G18/6688—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38 with compounds of group C08G18/3271
    • 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
    • C08K5/22—Compounds containing nitrogen bound to another nitrogen atom
    • C08K5/24—Derivatives of hydrazine
    • C08K5/26—Semicarbazides
    • 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
    • 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
    • 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
    • C08G2290/00—Compositions for creating anti-fogging
    • 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
    • C08G2350/00—Acoustic or vibration damping material

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Polyurethanes Or Polyureas (AREA)
CN201080044006.9A 2009-09-30 2010-09-18 减少聚氨酯泡沫的释放物的方法 Expired - Fee Related CN102574973B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102009047846.9 2009-09-30
DE102009047846A DE102009047846A1 (de) 2009-09-30 2009-09-30 Verfahren zur Erniedrigung von Emissionen eines Polyurethanschaumstoffes
PCT/EP2010/005741 WO2011038846A1 (de) 2009-09-30 2010-09-18 Verfahren zur erniedrigung von emissionen eines polyurethanschaumstoffes

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CN102574973A CN102574973A (zh) 2012-07-11
CN102574973B true CN102574973B (zh) 2014-09-24

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CN201080044006.9A Expired - Fee Related CN102574973B (zh) 2009-09-30 2010-09-18 减少聚氨酯泡沫的释放物的方法

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Country Link
US (1) US20120184639A1 (https=)
EP (1) EP2483324B1 (https=)
JP (1) JP2013506722A (https=)
CN (1) CN102574973B (https=)
CA (1) CA2775606A1 (https=)
DE (1) DE102009047846A1 (https=)
ES (1) ES2544884T3 (https=)
IN (1) IN2012DN02754A (https=)
MX (1) MX2012003255A (https=)
PL (1) PL2483324T3 (https=)
RU (1) RU2549875C2 (https=)
WO (1) WO2011038846A1 (https=)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX2010005069A (es) * 2009-05-27 2010-11-26 Bayer Materialscience Ag Procedimiento para la fabricacion de espumas blandas de poliuretano con emision reducida.
US10066047B2 (en) 2012-02-02 2018-09-04 Covestro Llc Polyurethane foams with decreased aldehyde emissions, a process for preparing these foams and a method for decreasing aldehyde in polyurethane foams
EP2703421A1 (en) * 2012-08-28 2014-03-05 Huntsman Petrochemical LLC A composition for making foams with reduced aldehyde emission
ES2647464T3 (es) * 2012-11-23 2017-12-21 Covestro Deutschland Ag Procedimiento para la preparación de materiales esponjados blandos de poliuretano flexibles con alto confort y bajas pérdidas por histéresis
PL2762510T3 (pl) 2013-02-01 2019-05-31 Covestro Deutschland Ag Elementy kompozytowe z rdzeniem z niskoemisyjnego poliuretanu oraz sposób ich wytwarzania
CN104744726B (zh) * 2013-12-27 2017-09-05 奕益实业有限公司 用于提升有机材料耐候性的稳定剂及经其改性的聚合物
US10766994B2 (en) * 2014-12-31 2020-09-08 Huntsman Petrochemical Llc Reduction of aldehydes in amine catalysts
EP3303430B1 (de) * 2015-05-28 2019-04-03 Basf Se Polyurethane mit reduzierter aldehydemission
BR112017025985B1 (pt) * 2015-06-01 2022-07-26 Evonik Operations Gmbh Catalisadores de amina reativos para aplicações de poliuretano
US10683385B2 (en) 2015-06-16 2020-06-16 Evonik Operations Gmbh Aldehyde scavengers for polyurethane foams
US10696777B2 (en) 2015-06-16 2020-06-30 Evonik Operations Gmbh Aldehyde scavengers mixtures for polyurethane foams
US11548997B2 (en) * 2016-02-05 2023-01-10 Huntsman International Llc Method for the reduction of aldehyde emission in polyurethane foam
EP3330307A1 (de) * 2016-12-05 2018-06-06 Covestro Deutschland AG Verwendung von acrylsäureestern und amiden zur erniedrigung von emissionen eines polyurethanschaumstoffes
WO2018148898A1 (en) * 2017-02-16 2018-08-23 Dow Global Technologies Llc Polyurethane foams having reduced aldehyde emissions
BR112019017144A2 (pt) 2017-02-20 2020-04-14 Dow Global Technologies Llc poliuretano que tem emissões de aldeído reduzidas
CN108274678B (zh) * 2018-01-24 2020-09-08 盐城申呈汽车配件有限公司 一种汽车座椅头枕的成型方法
EP3617246A1 (en) * 2018-09-03 2020-03-04 Covestro Deutschland AG Nco-terminated polyurethane prepolymer and preparation method thereof
WO2020016124A1 (en) * 2018-07-16 2020-01-23 Covestro Deutschland Ag Nco-terminated polyurethane prepolymer and preparation method thereof
WO2020024231A1 (en) * 2018-08-02 2020-02-06 Dow Global Technologies Llc Methods for reducing aldehyde emissions in polyurethane foams
JP7247320B2 (ja) * 2018-08-02 2023-03-28 ダウ グローバル テクノロジーズ エルエルシー ポリウレタン発泡体のアルデヒド排出量を減少させるための方法
WO2021013607A1 (de) * 2019-07-24 2021-01-28 Evonik Operations Gmbh Herstellung von polyurethansystemen

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101432082A (zh) * 2006-04-25 2009-05-13 关西涂料株式会社 形成多层涂膜的方法
US20090227758A1 (en) * 2008-03-07 2009-09-10 Yoshiaki Miyazaki Polyurethanes having low levels of aldehyde emissions

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1694142C3 (de) 1967-03-25 1975-10-23 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von Schaumstoffen
DE1720768A1 (de) 1968-01-02 1971-07-15 Bayer Ag Kunststoffe auf Isocyanatbasis und Verfahren zu ihrer Herstellung
GB1501172A (en) * 1974-05-17 1978-02-15 Bayer Ag Process for the production of polyurethane foams
DE2550796C3 (de) * 1975-11-12 1987-04-16 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von stabilen Dispersionen
US4107102A (en) * 1976-01-05 1978-08-15 Bayer Aktiengesellschaft Highly elastic polyurethane foams and process for making them
DE2638759A1 (de) * 1976-08-27 1978-03-09 Bayer Ag Loesungen von polyisocyanat-polyadditionsprodukten
DE2732292A1 (de) 1977-07-16 1979-02-01 Bayer Ag Verfahren zur herstellung von polyurethankunststoffen
DE2832253A1 (de) 1978-07-22 1980-01-31 Bayer Ag Verfahren zur herstellung von formschaumstoffen
DE3435070A1 (de) 1984-09-25 1986-04-03 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von gegebenenfalls geschaeumten polyurethanen, die mit einem anderen werkstoff verbunden oder konfektioniert worden sind
DE3827595A1 (de) 1988-08-13 1990-02-22 Bayer Ag Verfahren zur herstellung von urethangruppen ausweisenden polyharnstoff-elastomeren
DE10258046A1 (de) 2002-12-11 2004-06-24 Basf Ag Verfahren zur Erniedrigung von Emissionen aus Polyurethanschaumstoffen
DE102004001746A1 (de) * 2004-01-13 2005-08-04 Bayer Materialscience Ag Polyetherester als Flammschutzmittel für Polyurethanweichschaumstoffe
WO2009117479A2 (en) * 2008-03-20 2009-09-24 Huntsman Petrochemical Corporation Reduction of aldehydes in amines

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101432082A (zh) * 2006-04-25 2009-05-13 关西涂料株式会社 形成多层涂膜的方法
US20090227758A1 (en) * 2008-03-07 2009-09-10 Yoshiaki Miyazaki Polyurethanes having low levels of aldehyde emissions

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RU2549875C2 (ru) 2015-05-10
US20120184639A1 (en) 2012-07-19
CN102574973A (zh) 2012-07-11
IN2012DN02754A (https=) 2015-09-18
PL2483324T3 (pl) 2015-11-30
WO2011038846A1 (de) 2011-04-07
MX2012003255A (es) 2012-04-10
EP2483324A1 (de) 2012-08-08
CA2775606A1 (en) 2011-04-07
RU2012117413A (ru) 2013-11-10
ES2544884T3 (es) 2015-09-04
EP2483324B1 (de) 2015-06-17
DE102009047846A1 (de) 2011-03-31
JP2013506722A (ja) 2013-02-28

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