BR112013014282A2 - processo para a preparação de polióis de poliéter com grupos finais de hidroxila primária - Google Patents

processo para a preparação de polióis de poliéter com grupos finais de hidroxila primária

Info

Publication number
BR112013014282A2
BR112013014282A2 BR112013014282A BR112013014282A BR112013014282A2 BR 112013014282 A2 BR112013014282 A2 BR 112013014282A2 BR 112013014282 A BR112013014282 A BR 112013014282A BR 112013014282 A BR112013014282 A BR 112013014282A BR 112013014282 A2 BR112013014282 A2 BR 112013014282A2
Authority
BR
Brazil
Prior art keywords
preparation
end groups
polyether polyols
primary hydroxyl
hydroxyl end
Prior art date
Application number
BR112013014282A
Other languages
English (en)
Portuguese (pt)
Inventor
Christoph Gürtler
Hartmut Nefzger
Jörg Hofmann
Klaus Lorenz
Norbert Hahn
Thomas Ernst Müller
Original Assignee
Bayer Ip Gmbh
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 Bayer Ip Gmbh filed Critical Bayer Ip Gmbh
Publication of BR112013014282A2 publication Critical patent/BR112013014282A2/pt

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
    • C08G64/00Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
    • C08G64/20General preparatory processes
    • C08G64/32General preparatory processes using carbon dioxide
    • 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
    • C08G18/40High-molecular-weight compounds
    • C08G18/42Polycondensates having carboxylic or carbonic ester groups in the main chain
    • 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
    • C08G18/42Polycondensates having carboxylic or carbonic ester groups in the main chain
    • C08G18/4244Polycondensates having carboxylic or carbonic ester groups in the main chain containing oxygen in the form of ether groups
    • C08G18/4261Polycondensates having carboxylic or carbonic ester groups in the main chain containing oxygen in the form of ether groups prepared by oxyalkylation of polyesterpolyols
    • 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
    • C08G18/42Polycondensates having carboxylic or carbonic ester groups in the main chain
    • C08G18/44Polycarbonates
    • 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
    • C08G18/48Polyethers
    • C08G18/4887Polyethers containing carboxylic ester groups derived from carboxylic acids other than acids of higher fatty oils or other than resin acids
    • 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
    • C08G64/00Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
    • C08G64/02Aliphatic polycarbonates
    • C08G64/0208Aliphatic polycarbonates saturated
    • 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
    • C08G64/00Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
    • C08G64/18Block or graft polymers
    • C08G64/183Block or graft polymers containing polyether sequences
    • 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
    • C08G64/00Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
    • C08G64/20General preparatory processes
    • C08G64/32General preparatory processes using carbon dioxide
    • C08G64/34General preparatory processes using carbon dioxide and cyclic ethers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L69/00Compositions of polycarbonates; Compositions of derivatives of polycarbonates
    • 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
    • C08G2101/00Manufacture of cellular products
    • 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
    • C08G2110/0008Foam properties flexible
    • 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
    • C08G2110/0041Foam properties having specified density
    • C08G2110/005< 50kg/m3
    • 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)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Polyethers (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
BR112013014282A 2010-12-17 2011-12-12 processo para a preparação de polióis de poliéter com grupos finais de hidroxila primária BR112013014282A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP10195634A EP2465890A1 (de) 2010-12-17 2010-12-17 Verfahren zur Herstellung von Polyethercarbonatpolyolen mit primären Hydroxyl-Endgruppen und daraus hergestellte Polyurethanpolymere
PCT/EP2011/072489 WO2012080192A1 (de) 2010-12-17 2011-12-12 Verfahren zur herstellung von polyethercarbonatpolyolen mit primären hydroxyl-endgruppen und daraus hergestellte polyurethanpolymere

Publications (1)

Publication Number Publication Date
BR112013014282A2 true BR112013014282A2 (pt) 2016-09-20

Family

ID=44072516

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112013014282A BR112013014282A2 (pt) 2010-12-17 2011-12-12 processo para a preparação de polióis de poliéter com grupos finais de hidroxila primária

Country Status (11)

Country Link
US (1) US20130296450A1 (cg-RX-API-DMAC7.html)
EP (2) EP2465890A1 (cg-RX-API-DMAC7.html)
JP (1) JP2014503631A (cg-RX-API-DMAC7.html)
KR (1) KR20140035328A (cg-RX-API-DMAC7.html)
CN (1) CN103429637B (cg-RX-API-DMAC7.html)
BR (1) BR112013014282A2 (cg-RX-API-DMAC7.html)
CA (1) CA2821812A1 (cg-RX-API-DMAC7.html)
ES (1) ES2525753T3 (cg-RX-API-DMAC7.html)
MX (1) MX2013006337A (cg-RX-API-DMAC7.html)
SG (1) SG190274A1 (cg-RX-API-DMAC7.html)
WO (1) WO2012080192A1 (cg-RX-API-DMAC7.html)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2530101A1 (de) 2011-06-01 2012-12-05 Bayer MaterialScience AG Verfahren zur Herstellung von Polyetherpolyolen
KR20190006203A (ko) 2011-07-25 2019-01-17 사우디 아람코 테크놀로지스 컴퍼니 폴리우레탄에 이용하기 위한 지방족 폴리카보네이트
WO2014074706A1 (en) * 2012-11-07 2014-05-15 Novomer, Inc. High strength polyurethane foam compositions and methods
CN104277194B (zh) * 2013-07-05 2018-11-30 科思创德国股份有限公司 聚氨酯树脂组合物以及由其制备的聚氨酯复合物
EP2845872A1 (de) 2013-09-05 2015-03-11 Bayer MaterialScience AG Niederviskose Polyethercarbonatpolyole mit Seitenketten
CA2929472C (en) 2013-11-27 2022-01-04 Covestro Deutschland Ag Mixtures of polyether carbonate polyols and polyether polyols for producing polyurethane soft foams
EP2894180A1 (en) * 2014-01-08 2015-07-15 Bayer MaterialScience AG Polymer Polyols comprising a Polyether Carbonate Polyol as the Base Polyol
CN106029739B (zh) * 2014-02-26 2018-09-21 科思创德国股份有限公司 制备聚醚酯碳酸酯多元醇的方法
CN104927040B (zh) * 2014-03-17 2016-09-07 中国石油化工股份有限公司 Dmc催化剂催化的脂肪族聚碳酸酯的制备方法
US10308759B2 (en) * 2014-04-03 2019-06-04 Saudi Aramco Technologies Company Aliphatic polycarbonate polyol compositions
US9527958B2 (en) 2014-05-02 2016-12-27 Covestro Llc Process for purification of polyether carbonate polyols
WO2016174125A1 (de) * 2015-04-29 2016-11-03 Covestro Deutschland Ag Mischungen von polyethercarbonatpolyolen und polyetherpolyolen zur herstellung von polyurethanweichschaumstoffen
US11345775B2 (en) * 2015-12-09 2022-05-31 Covestro Deutschland Ag Polyurethane foams based on polyethercarbonate polyols
CN108698977B (zh) * 2016-02-29 2021-09-21 阿克苏诺贝尔化学品国际有限公司 二烷基聚烷基胺组合物、其制备方法及其用途
CN105801789B (zh) * 2016-04-07 2018-10-16 中国科学院长春应用化学研究所 一种水性聚氨酯及其制备方法和胶粘剂
EP3526269B8 (de) * 2016-10-12 2020-09-09 Covestro Deutschland AG Verfahren zur herstellung eines mehrfachbindungen enthaltenden präpolymers als elastomer-vorstufe
EP3385295A1 (de) * 2017-04-05 2018-10-10 Covestro Deutschland AG Flammgeschützte phosphorfunktionelle polyethercarbonatpolyole und verfahren zu deren herstellung
EP3549969A1 (de) * 2018-04-06 2019-10-09 Covestro Deutschland AG Polyurethanschaumstoffe basierend auf polyethercarbonatpolyolen
EP3781609A1 (en) 2018-04-18 2021-02-24 Saudi Aramco Technologies Company End-group isomerization of poly(alkylene carbonate) polymers
EP3608348A1 (de) * 2018-08-07 2020-02-12 Covestro Deutschland AG Verfahren zur herstellung eines organooxysilyl-vernetzten polymers
WO2020068796A1 (en) 2018-09-24 2020-04-02 Saudi Aramco Technologies Company Polycarbonate block copolymers and methods thereof
CN109912768B (zh) * 2019-01-21 2021-05-25 聚源化学工业股份有限公司 一种聚醚组合物、低voc聚氨酯泡沫及其制备方法
CN109836556A (zh) * 2019-01-31 2019-06-04 四川大学 一种含铁盐的低voc聚氨酯发泡材料及制备方法
PT3995541T (pt) 2019-07-02 2023-06-26 Mitsubishi Chem Corp Composição de éter de polialquilenoglicol e método para a sua produção
GB202003003D0 (en) * 2020-03-02 2020-04-15 Econic Tech Ltd A polyol block copolymer
GB202003002D0 (en) * 2020-03-02 2020-04-15 Crane Ltd Method of preparation of a polyol block copolymer
GB202017531D0 (en) * 2020-11-05 2020-12-23 Econic Tech Limited (poly)ol block copolymer

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1063525A (en) 1963-02-14 1967-03-30 Gen Tire & Rubber Co Organic cyclic oxide polymers, their preparation and tires prepared therefrom
US3829505A (en) 1970-02-24 1974-08-13 Gen Tire & Rubber Co Polyethers and method for making the same
US3941849A (en) 1972-07-07 1976-03-02 The General Tire & Rubber Company Polyethers and method for making the same
US4267120A (en) * 1979-12-14 1981-05-12 Texaco Development Corp. Polyester polycarbonates
US4487853A (en) 1983-12-27 1984-12-11 Basf Wyandotte Corporation Low ethylene oxide/high primary hydroxyl content polyether-ester polyols and polyurethane foams based thereon
DE3613875A1 (de) * 1986-04-24 1987-10-29 Basf Ag Verfahren zur herstellung von polyester-polyolen
DE3827595A1 (de) 1988-08-13 1990-02-22 Bayer Ag Verfahren zur herstellung von urethangruppen ausweisenden polyharnstoff-elastomeren
JP2653236B2 (ja) 1990-10-05 1997-09-17 旭硝子株式会社 ポリエーテル化合物の製造方法
US5158922A (en) 1992-02-04 1992-10-27 Arco Chemical Technology, L.P. Process for preparing metal cyanide complex catalyst
US5712216A (en) 1995-05-15 1998-01-27 Arco Chemical Technology, L.P. Highly active double metal cyanide complex catalysts
US5470813A (en) 1993-11-23 1995-11-28 Arco Chemical Technology, L.P. Double metal cyanide complex catalysts
US5482908A (en) 1994-09-08 1996-01-09 Arco Chemical Technology, L.P. Highly active double metal cyanide catalysts
US5545601A (en) 1995-08-22 1996-08-13 Arco Chemical Technology, L.P. Polyether-containing double metal cyanide catalysts
US5627120A (en) 1996-04-19 1997-05-06 Arco Chemical Technology, L.P. Highly active double metal cyanide catalysts
US5714428A (en) 1996-10-16 1998-02-03 Arco Chemical Technology, L.P. Double metal cyanide catalysts containing functionalized polymers
DE19710967C1 (de) 1997-03-17 1998-10-22 Karl Heinz Koeppen Breitbandlautsprecher
DE19905611A1 (de) 1999-02-11 2000-08-17 Bayer Ag Doppelmetallcyanid-Katalysatoren für die Herstellung von Polyetherpolyolen
DE19958355A1 (de) 1999-12-03 2001-06-07 Bayer Ag Verfahren zur Herstellung von DMC-Katalysatoren
AU2001260217A1 (en) 2000-04-20 2001-11-07 Bayer Aktiengesellschaft Method for producing double metal cyanide (dmc) catalysts
US20040064001A1 (en) * 2002-09-30 2004-04-01 Stephan Ehlers Processes for preparing ethylene oxide-capped polyols
JP4145123B2 (ja) 2002-11-18 2008-09-03 株式会社オンダ製作所 継手
WO2004081082A1 (en) 2003-03-07 2004-09-23 Dow Global Technologies Inc. Continuous process and system of producing polyether polyols
US20070203319A1 (en) * 2006-02-27 2007-08-30 Dexheimer Edward M Process of forming a polyol
US7977501B2 (en) * 2006-07-24 2011-07-12 Bayer Materialscience Llc Polyether carbonate polyols made via double metal cyanide (DMC) catalysis
ATE514726T1 (de) * 2006-11-15 2011-07-15 Basf Se Verfahren zur herstellung von polyurethan- weichschaumstoffen
ES2358861T5 (es) * 2007-01-30 2014-12-10 Basf Se Procedimiento para la obtención de polioles de polietercarbonato
MX2011011643A (es) * 2009-05-06 2011-11-28 Bayer Materialscience Ag Procedimiento para preparar poliolesteres con grupos terminales oh secundarios.

Also Published As

Publication number Publication date
JP2014503631A (ja) 2014-02-13
ES2525753T3 (es) 2014-12-29
SG190274A1 (en) 2013-07-31
CN103429637A (zh) 2013-12-04
MX2013006337A (es) 2013-08-26
EP2465890A1 (de) 2012-06-20
US20130296450A1 (en) 2013-11-07
WO2012080192A1 (de) 2012-06-21
KR20140035328A (ko) 2014-03-21
CN103429637B (zh) 2015-06-17
EP2652008B1 (de) 2014-10-22
EP2652008A1 (de) 2013-10-23
CA2821812A1 (en) 2012-06-21

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]
B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]
B350 Update of information on the portal [chapter 15.35 patent gazette]