CA2362505A1 - Fine cell, water-blown rigid polyurethane foams - Google Patents

Fine cell, water-blown rigid polyurethane foams Download PDF

Info

Publication number
CA2362505A1
CA2362505A1 CA002362505A CA2362505A CA2362505A1 CA 2362505 A1 CA2362505 A1 CA 2362505A1 CA 002362505 A CA002362505 A CA 002362505A CA 2362505 A CA2362505 A CA 2362505A CA 2362505 A1 CA2362505 A1 CA 2362505A1
Authority
CA
Canada
Prior art keywords
weight
polyol
parts
water
cell
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.)
Abandoned
Application number
CA002362505A
Other languages
English (en)
French (fr)
Inventor
Torsten Heinemann
Walter Klan
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
Individual
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 Individual filed Critical Individual
Publication of CA2362505A1 publication Critical patent/CA2362505A1/en
Abandoned 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
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40High-molecular-weight compounds
    • C08G18/4009Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
    • C08G18/4018Mixtures of compounds of group C08G18/42 with compounds of group C08G18/48
    • 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
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/30Low-molecular-weight compounds
    • C08G18/36Hydroxylated esters of higher fatty acids
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00Thermal insulation in general
    • F16L59/02Shape or form of insulating materials, with or without coverings integral with the insulating materials
    • 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
    • C08G2110/00Foam properties
    • C08G2110/0025Foam properties rigid
    • 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
    • C08G2110/00Foam properties
    • C08G2110/0083Foam properties prepared using water as the sole blowing agent

Landscapes

  • Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Materials For Medical Uses (AREA)
  • Thermal Insulation (AREA)
  • Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
CA002362505A 1999-02-13 2000-02-01 Fine cell, water-blown rigid polyurethane foams Abandoned CA2362505A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19905989A DE19905989A1 (de) 1999-02-13 1999-02-13 Feinzellige, wassergetriebene Polyurethanhartschaumstoffe
DE19905989.6 1999-02-13
PCT/EP2000/000783 WO2000047647A1 (de) 1999-02-13 2000-02-01 Feinzellige, wassergetriebene polyurethanhartschaumstoffe

Publications (1)

Publication Number Publication Date
CA2362505A1 true CA2362505A1 (en) 2000-08-17

Family

ID=7897368

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002362505A Abandoned CA2362505A1 (en) 1999-02-13 2000-02-01 Fine cell, water-blown rigid polyurethane foams

Country Status (17)

Country Link
EP (1) EP1161474B1 (https=)
JP (1) JP2002536516A (https=)
CN (1) CN1176965C (https=)
AT (1) ATE265478T1 (https=)
AU (1) AU2800600A (https=)
BR (1) BR0008107B1 (https=)
CA (1) CA2362505A1 (https=)
DE (2) DE19905989A1 (https=)
DK (1) DK1161474T3 (https=)
ES (1) ES2216863T3 (https=)
HK (1) HK1044787B (https=)
HU (1) HU226761B1 (https=)
PL (1) PL207099B1 (https=)
RU (1) RU2237678C2 (https=)
TR (1) TR200102312T2 (https=)
TW (1) TWI227245B (https=)
WO (1) WO2000047647A1 (https=)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9487616B2 (en) 2010-07-13 2016-11-08 Covestro Deutschland Ag Lightly modified prepolymers and uses thereof
US11739176B2 (en) 2018-10-15 2023-08-29 Dow Global Technologies Llc Formulated polyol compositons
US12612503B2 (en) 2020-08-24 2026-04-28 Evonik Operations Gmbh Depolymerization method for polyurethanes

Families Citing this family (85)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10060817A1 (de) * 2000-12-07 2002-06-20 Henkel Kgaa Steinverbundplatten zur Isolierung
US6833431B2 (en) * 2001-05-02 2004-12-21 Bayer Aktiengesellschaft Double-metal cyanide catalysts for preparing polyether polyols
DE102004062540A1 (de) * 2004-12-24 2006-07-06 Bayer Materialscience Ag Polyurethan-Hartschaumstoffe, ein Verfahren zu ihrer Herstellung sowie ihre Verwendung
RU2413738C2 (ru) * 2005-04-29 2011-03-10 Дау Глобал Текнолоджиз, Инк. Сложные полиэфирполиолы, имеющие вторичные спиртовые группы, и их применение при получении полиуретанов, таких как гибкие пенополиуретаны
DE102005021994A1 (de) * 2005-05-09 2006-11-23 Basf Ag Verfahren zur Herstellung von Vakuumisolations-Paneelen
DE502007000788D1 (de) * 2006-01-27 2009-07-09 Basf Se Verfahren zur herstellung von offenzelligen viskoelastischen polyurethan-weichschaumstoffen
CN101631810B (zh) 2006-12-29 2013-07-24 江森自控科技公司 聚氨酯泡沫组成、产品及方法
JP2009040916A (ja) * 2007-08-09 2009-02-26 Nippon Polyurethane Ind Co Ltd 水発泡硬質ポリイソシアヌレートフォーム形成用組成物、該組成物を用いた水発泡硬質ポリイソシアヌレートフォームの製造方法、及び該製造方法により得られる水発泡硬質ポリイソシアヌレートフォーム
ES2625883T3 (es) * 2007-12-19 2017-07-20 Basf Se Procedimiento para la preparación de espumas rígidas que contienen grupos uretano y grupos isocianurato
DE102008000243A1 (de) 2008-02-06 2009-08-13 Evonik Goldschmidt Gmbh Neuartige Kompatibilisierungsmittel zur Verbesserung der Lagerstabilität von Polyolmischungen
DE102008000255A1 (de) 2008-02-08 2009-08-20 Evonik Goldschmidt Gmbh Siloxanzusammensetzungen
DE102009001595A1 (de) 2009-03-17 2010-09-23 Evonik Goldschmidt Gmbh Kompatibilisierungsmittel zur Verbesserung der Lagerstabilität von Polyolmischungen
DE102010060390A1 (de) * 2010-11-05 2012-05-10 Bayer Materialscience Aktiengesellschaft Emulsionsförmige Reaktionsmischung und Verfahren zur Herstellung von Polyurethanschäumen aus einer solchen Reaktionsmischung
DE102010063241A1 (de) 2010-12-16 2012-06-21 Evonik Goldschmidt Gmbh Siliconstabilisatoren für Polyurethan- oder Polyisocyanurat-Hartschaumstoffe
DE102011007479A1 (de) 2011-04-15 2012-10-18 Evonik Goldschmidt Gmbh Zusammensetzung, enthaltend spezielle Amide und organomodifizierte Siloxane, geeignet zur Herstellung von Polyurethanschäumen
DE102011007468A1 (de) 2011-04-15 2012-10-18 Evonik Goldschmidt Gmbh Zusammensetzung, enthaltend spezielle Carbamat-artige Verbindungen, geeignet zur Herstellung von Polyurethanschäumen
US20130030073A1 (en) * 2011-07-26 2013-01-31 Bayer Materialscience Llc Amine-initiated polyols from renewable resources and processes for their production and use
DE102011109541A1 (de) 2011-08-03 2013-02-07 Evonik Goldschmidt Gmbh Verwendung von Polysiloxanen enthaltend verzweigte Polyetherreste zur Herstellung von Polyurethanschäumen
KR20140054308A (ko) * 2011-08-23 2014-05-08 바스프 에스이 마이크로에멀션
DE102013201829A1 (de) 2013-02-05 2014-08-07 Evonik Industries Ag Amine, geeignet zur Verwendung bei der Herstellung von Polyurethanen
WO2015022273A1 (de) * 2013-08-13 2015-02-19 Bayer Materialscience Ag Polyurethanschaumstoffe und ihre verwendung
DE102013217395A1 (de) 2013-09-02 2015-03-05 Evonik Industries Ag Verwendung von Mischungen organofunktionell modifizierter Polysiloxane mit Amiden bei der Herstellung von Polyurethanweichschäumen
EP2886591A1 (de) 2013-12-19 2015-06-24 Evonik Industries AG Zusammensetzung, geeignet zur Herstellung von Polyurethanschäumen, enthaltend mindestens ein Nukleierungsmittel
DE102013226575B4 (de) 2013-12-19 2021-06-24 Evonik Operations Gmbh Zusammensetzung, geeignet zur Herstellung von Polyurethanschäumen, enthaltend mindestens einen ungesättigten Fluorkohlenwasserstoff oder ungesättigten Fluorkohlenwasserstoff als Treibmittel, Polyurethanschäume, Verfahren zu deren Herstellung und deren Verwendung
DE102014215381B4 (de) 2014-08-05 2020-06-10 Evonik Operations Gmbh Stickstoffhaltige Verbindungen, geeignet zur Verwendung bei der Herstellung von Polyurethanen
DE102014215380B4 (de) 2014-08-05 2022-04-28 Evonik Operations Gmbh Stickstoffhaltige Verbindungen, geeignet zur Verwendung bei der Herstellung von Polyurethanen
DE102014215387B4 (de) 2014-08-05 2020-06-10 Evonik Operations Gmbh Stickstoffhaltige Verbindungen, geeignet zur Verwendung bei der Herstellung von Polyurethanen
DE102014215382A1 (de) 2014-08-05 2016-02-11 Evonik Degussa Gmbh Stickstoffhaltige Verbindungen, geeignet zur Verwendung bei der Herstellung von Polyurethanen
DE102014215388A1 (de) 2014-08-05 2016-02-11 Evonik Degussa Gmbh Stickstoffhaltige Verbindungen, geeignet zur Verwendung bei der Herstellung von Polyurethanen
DE102014215384A1 (de) 2014-08-05 2016-02-11 Evonik Degussa Gmbh Stickstoffhaltige Verbindungen, geeignet zur Verwendung bei der Herstellung von Polyurethanen
DE102014215383B4 (de) 2014-08-05 2020-06-10 Evonik Operations Gmbh Stickstoffhaltige Verbindungen, geeignet zur Verwendung bei der Herstellung von Polyurethanen
EP3064532B1 (de) 2015-03-03 2020-12-23 Evonik Operations GmbH Herstellung poröser Polyurethanschichten
EP3078696A1 (de) 2015-04-08 2016-10-12 Evonik Degussa GmbH Herstellung emissionsarmer polyurethane
PL3115389T3 (pl) 2015-07-07 2020-09-07 Evonik Operations Gmbh Wytwarzanie pianki poliuretanowej
EP3176206A1 (de) 2015-12-01 2017-06-07 Evonik Degussa GmbH Verfahren zur herstellung feinzelliger schaumstoffe unter verwendung eines zellalterungshemmers
EP3205678A1 (de) 2016-02-10 2017-08-16 Evonik Degussa GmbH Alterungsbeständige und emissionsarme matratzen und/oder kissen
EP3459984A1 (de) 2017-09-25 2019-03-27 Evonik Degussa GmbH Herstellung von polyurethanschaum
KR102787398B1 (ko) * 2017-12-05 2025-03-27 바스프 에스이 우레탄 기 및 이소시아누레이트 기를 포함하는 연속 기포 경질 폼의 제조 방법
MX2021008058A (es) 2019-01-07 2021-08-05 Evonik Operations Gmbh Produccion de espuma rigida de poliuretano.
PL3677610T5 (pl) 2019-01-07 2026-04-13 Evonik Operations Gmbh Wytwarzanie sztywnej pianki poliuretanowej
EP3744745A1 (de) 2019-05-28 2020-12-02 Evonik Operations GmbH Herstellung von pu-schaumstoffen
US12458150B2 (en) 2019-07-19 2025-11-04 Evonik Operations Gmbh Shaped PU foam articles
PL4004079T3 (pl) 2019-07-24 2025-10-20 Evonik Operations Gmbh Wytwarzanie pianek poliuretanowych
ES2988758T3 (es) 2019-10-08 2024-11-21 Evonik Operations Gmbh Preparación de espuma rígida de poliuretano
PL3819323T3 (pl) 2019-11-07 2026-01-26 Evonik Operations Gmbh Odporność na odkształcenia wywołane ciśnieniem
EP3865527A1 (de) 2020-02-14 2021-08-18 Evonik Operations GmbH Herstellung von pu-schaumstoffen
DE102020202057A1 (de) 2020-02-19 2021-08-19 Evonik Operations Gmbh Polyurethan-Isolierschaumstoffe und ihre Herstellung
EP3919539A1 (de) 2020-06-04 2021-12-08 Evonik Operations GmbH Herstellung von polyurethanschaum
EP3940012A1 (de) 2020-07-16 2022-01-19 Evonik Operations GmbH Stickstofffreie und stickstoffarme vernetzende additive für kaltblockweichschaum mit verbesserten kompressions- und alterungseigenschaften
US12122890B2 (en) 2020-08-20 2024-10-22 Evonik Operations Gmbh Production of polyurethane foam
US20220106432A1 (en) 2020-10-07 2022-04-07 Evonik Operations Gmbh Shaped flexible pu foam articles
WO2022122360A1 (de) 2020-12-08 2022-06-16 Evonik Operations Gmbh Herstellung von polyurethanschaum
US20240182660A1 (en) 2021-03-02 2024-06-06 Evonik Operations Gmbh Production of polyurethane foam
EP4323420A1 (de) 2021-04-14 2024-02-21 Evonik Operations GmbH Herstellung von polyurethan- oder polyisocyanurat-hartschaumstoff
CA3222682A1 (en) 2021-06-17 2022-12-22 Daniela HERMANN Shaped flexible pu foam articles
EP4363480A1 (de) 2021-07-01 2024-05-08 Evonik Operations GmbH Herstellung von polyurethan- oder polyisocyanurat-hartschaumstoff
EP4363479A1 (de) 2021-07-02 2024-05-08 Evonik Operations GmbH Gewinnung von di- und/oder polyisocyanaten aus pu-depolymerisationsprozessen
CA3224454A1 (en) 2021-07-02 2023-01-05 Roland Hubel Production of pu foams using recycled polyols
MX2023015001A (es) 2021-07-02 2024-02-15 Evonik Operations Gmbh Produccion de espumas de pu.
WO2023275031A1 (de) 2021-07-02 2023-01-05 Evonik Operations Gmbh Herstellung von pu-schaumstoffen unter einsatz von recycling-polyolen
MX2024000124A (es) 2021-07-02 2024-01-22 Evonik Operations Gmbh Produccion de espumas de pu que utilizan polioles reciclados.
EP4363478A1 (de) 2021-07-02 2024-05-08 Evonik Operations GmbH Herstellung von pu-schaumstoffen unter einsatz von recycling-polyolen
MX2024010160A (es) 2022-02-22 2024-08-26 Evonik Operations Gmbh Uso de poliol reciclado a partir de un procedimiento de hidrolisis a base de amina para producir espuma de pu.
EP4257324A1 (en) 2022-04-08 2023-10-11 Evonik Operations GmbH System and method for automatically setting parameters for foam production
EP4257325A1 (en) 2022-04-08 2023-10-11 Evonik Operations GmbH Optical prediction of polyurethane foam parameters
EP4257323A1 (en) 2022-04-08 2023-10-11 Evonik Operations GmbH System and method for determining parameters for foam production
EP4257327A1 (en) 2022-04-08 2023-10-11 Evonik Operations GmbH Optical determination of a control signal for slabstock polyurethane foam production
EP4257326A1 (en) 2022-04-08 2023-10-11 Evonik Operations GmbH Optical determination of a control signal in response to detection of macroscopic polyurethane foam defects
EP4526372A1 (de) 2022-05-17 2025-03-26 Evonik Operations GmbH Herstellung von polyurethanschaum
EP4282892A1 (de) 2022-05-25 2023-11-29 Evonik Operations GmbH Herstellung von polyurethanschaum unter verwendung von katalysatoren auf basis ionischer flüssigkeiten
EP4282890A1 (de) 2022-05-25 2023-11-29 Evonik Operations GmbH Herstellung von polyurethanschaum unter verwendung von ionischen flüssigkeiten
EP4536723A1 (de) 2022-06-08 2025-04-16 Evonik Operations GmbH Herstellung von flammwidrigem polyurethanschaum
KR20250021531A (ko) 2022-06-08 2025-02-13 에보니크 오퍼레이션즈 게엠베하 폴리우레탄 발포체를 제조하기 위한 폴리에테르-실록산 블록 공중합체
EP4299656A1 (de) 2022-07-01 2024-01-03 Evonik Operations GmbH Herstellung von propoxylierten benzoldicarbonsäureamiden und dem entsprechenden polyurethanschaum
JP2025528473A (ja) 2022-08-31 2025-08-28 エボニック オペレーションズ ゲーエムベーハー ポリウレタンフォームの製造
WO2024068268A1 (de) 2022-09-28 2024-04-04 Evonik Operations Gmbh Verfahren zur herstellung von sioc-verknüpften, linearen polydialkylsiloxan-polyether-blockcopolymeren und ihre verwendung
EP4372036A1 (en) 2022-11-15 2024-05-22 Evonik Operations GmbH Depolymerization of polyisocyanurate with organic amine bases
EP4372024A1 (en) 2022-11-15 2024-05-22 Evonik Operations GmbH New method for recycling of polyisocyanurates
EP4665780A1 (de) 2023-02-17 2025-12-24 Evonik Operations GmbH Stabilisatoren für polyurethanschaumstoffe enthaltend recycling-polyol
CN120712304A (zh) 2023-02-17 2025-09-26 赢创运营有限公司 用于包含固体物质的聚氨酯泡沫的稳定剂
WO2025082815A1 (de) 2023-10-19 2025-04-24 Evonik Operations Gmbh Stabilisatoren für polyurethanschaumstoffe
CN120424305A (zh) 2024-02-02 2025-08-05 赢创运营有限公司 聚氨酯或聚异氰脲酸酯泡沫的生产
CN120424304A (zh) 2024-02-02 2025-08-05 赢创运营有限公司 聚氨酯或聚异氰脲酸酯泡沫的生产
EP4606832A1 (de) 2024-02-22 2025-08-27 Evonik Operations GmbH Stabilisatoren für polyurethanschaumstoffe enthaltend recycling-polyol
CA3279246A1 (en) 2024-07-12 2026-03-01 Evonik Operations Gmbh Production of polyurethane foam

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3621039A1 (de) * 1986-06-24 1988-01-07 Bayer Ag Verfahren zur herstellung von hydroxylgruppen aufweisenden oligoestern und deren verwendung
JPH02180916A (ja) * 1989-01-06 1990-07-13 M D Kasei Kk 硬質ポリウレタンフォームの製造方法
JPH03195718A (ja) * 1989-12-25 1991-08-27 Mitsui Toatsu Chem Inc 硬質ウレタンフォームの製造方法
DE4303556C1 (de) * 1993-02-08 1994-10-27 Bayer Ag Harte Polyurethane oder Polyurethanschaumstoffe
ATE169039T1 (de) * 1993-02-10 1998-08-15 Bayer Ag Verfahren zur herstellung von schaumstoffen auf isocyanatbasis
GB9314556D0 (en) * 1993-07-14 1993-08-25 Ici Plc Rigid polyurethane foams
EP0672697A1 (de) * 1994-03-17 1995-09-20 Bayer Ag Verfahren zur Herstellung von Urethan-, Harnstoff- und Biuretgruppen aufweisenden Hartschaumstoffen und deren Verwendung
JP3425816B2 (ja) * 1995-01-19 2003-07-14 三井化学株式会社 硬質ポリウレタンフォーム
MX9708733A (es) * 1995-05-12 1997-12-31 Ici Plc Espumas flexibles novedosas de poliuretano.
DE19634392A1 (de) * 1996-08-26 1998-03-05 Bayer Ag Schäumfähige Polyurethanzubereitungen mit gutem Fließverhalten sowie ein Verfahren zur Herstellung geschäumter Polyurethan-Formteile
GB2324798B (en) * 1997-05-01 1999-08-18 Ici Plc Open celled cellular polyurethane products
DE19742010A1 (de) * 1997-09-24 1999-03-25 Basf Ag Lagerstabile Emulsionen zur Herstellung von feinzelligen Hartschaumstoffen auf Isocyanatbasis

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9487616B2 (en) 2010-07-13 2016-11-08 Covestro Deutschland Ag Lightly modified prepolymers and uses thereof
US11739176B2 (en) 2018-10-15 2023-08-29 Dow Global Technologies Llc Formulated polyol compositons
US12612503B2 (en) 2020-08-24 2026-04-28 Evonik Operations Gmbh Depolymerization method for polyurethanes

Also Published As

Publication number Publication date
TR200102312T2 (tr) 2002-01-21
HK1044787B (zh) 2005-09-09
PL207099B1 (pl) 2010-11-30
HU226761B1 (en) 2009-09-28
WO2000047647A1 (de) 2000-08-17
BR0008107A (pt) 2001-11-06
DE19905989A1 (de) 2000-08-17
EP1161474B1 (de) 2004-04-28
CN1340069A (zh) 2002-03-13
BR0008107B1 (pt) 2010-11-30
RU2237678C2 (ru) 2004-10-10
EP1161474A1 (de) 2001-12-12
HUP0200140A2 (hu) 2002-05-29
HUP0200140A3 (en) 2002-06-28
CN1176965C (zh) 2004-11-24
JP2002536516A (ja) 2002-10-29
DE50006255D1 (de) 2004-06-03
HK1044787A1 (en) 2002-11-01
PL350076A1 (en) 2002-11-04
DK1161474T3 (da) 2004-08-16
ES2216863T3 (es) 2004-11-01
ATE265478T1 (de) 2004-05-15
TWI227245B (en) 2005-02-01
AU2800600A (en) 2000-08-29

Similar Documents

Publication Publication Date Title
US7671104B2 (en) Fine cell, water-blown rigid polyurethane foams
CA2362505A1 (en) Fine cell, water-blown rigid polyurethane foams
US5688835A (en) Preparation of polyurethane rigid foams
KR101683316B1 (ko) 저온 기계적 특성이 향상된 수발포 경질 발포체
US6046247A (en) Production of rigid polyurethane foams having a low thermal conductivity
AU722500B2 (en) Process for the production of rigid polyurethane foams having low thermal conductivity
US5684092A (en) Production of rigid foams based on isocyanate
KR102058225B1 (ko) 경질 폴리우레탄 폼
KR20000053020A (ko) 경질 폴리우레탄 발포체
CA2308701A1 (en) Production of sound-damping and energy-absorbing polyurethane foams
DE4437859A1 (de) Verfahren zur Herstellung von Polyurethan-Hartschaumstoffen mit einer verminderten Wärmeleitfähigkeit und ihre Verwendung
KR19980024901A (ko) 경질 폴리우레탄 발포체의 제조 방법
CA2885227A1 (en) Rigid polyurethane and polyisocyanurate foams based on fatty acid modified polyetherpolyols
CA2308540A1 (en) Production of sound-absorbing polyurethane foams having an adhesive surface
KR20160045771A (ko) 지방산 개질 폴리에테르 폴리올을 주성분으로 하는 개선된 강성 폴리우레탄 및 강성 폴리이소시아누레이트 폼
CA2763561A1 (en) Polyester polyols made of isophthalic acid and/or terephthalic acid and oligoalkyl oxides
CA2210970A1 (en) Preparation of polyurethanes having improved curing
US5670554A (en) Production of CFC-free polyurethane rigid foams having a reduced thermal conductivity and their use
US9334383B2 (en) Process for producing rigid polyurethane foams
KR20140026487A (ko) 경질 폴리우레탄 발포체의 제조 방법
KR100554611B1 (ko) 열전도도가 감소된 경질 폴리우레탄 발포체의 제조 및 그의 용도
KR20140026488A (ko) 경질 폴리우레탄 발포체의 제조 방법
US20140094531A1 (en) Rigid polyurethane and polyisocyanurate foams based on fatty acid modified polyetherpolyols
US9562131B2 (en) Thermoformable rigid polyurethane-polyamide foam
CA3201670A1 (en) A polyurethane foam composition comprising an aromatic polyester polyol compound and products made therefrom

Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued