CN1670007A - 在双金属氰化物催化工艺中起始物进料流的酸化 - Google Patents

在双金属氰化物催化工艺中起始物进料流的酸化 Download PDF

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Publication number
CN1670007A
CN1670007A CNA2005100560038A CN200510056003A CN1670007A CN 1670007 A CN1670007 A CN 1670007A CN A2005100560038 A CNA2005100560038 A CN A2005100560038A CN 200510056003 A CN200510056003 A CN 200510056003A CN 1670007 A CN1670007 A CN 1670007A
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China
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acid
molecular weight
starter
reactor
low molecular
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CNA2005100560038A
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English (en)
Chinese (zh)
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E·P·布劳内
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Covestro LLC
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Bayer MaterialScience LLC
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Publication of CN1670007A publication Critical patent/CN1670007A/zh
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F8/00Chemical modification by after-treatment
    • C08F8/02Alkylation
    • 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
    • C08G65/00Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/26Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds
    • C08G65/2696Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds characterised by the process or apparatus used
    • 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
    • C08G2/00Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
    • C08G2/30Chemical modification by after-treatment
    • 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
    • C08G65/00Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • 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
    • C08G65/00Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/26Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds
    • C08G65/2642Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds characterised by the catalyst used
    • C08G65/2645Metals or compounds thereof, e.g. salts
    • C08G65/2663Metal cyanide catalysts, i.e. DMC's
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J27/00Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/24Nitrogen compounds
    • B01J27/26Cyanides

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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)
  • Toxicology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Polyethers (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Sealing Material Composition (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
CNA2005100560038A 2004-03-19 2005-03-21 在双金属氰化物催化工艺中起始物进料流的酸化 Pending CN1670007A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/804894 2004-03-19
US10/804,894 US20050209438A1 (en) 2004-03-19 2004-03-19 Starter feed stream acidification in DMC-catalyzed process

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN201010004910A Division CN101851329A (zh) 2004-03-19 2005-03-21 在双金属氰化物催化工艺中起始物进料流的酸化

Publications (1)

Publication Number Publication Date
CN1670007A true CN1670007A (zh) 2005-09-21

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Family Applications (2)

Application Number Title Priority Date Filing Date
CNA2005100560038A Pending CN1670007A (zh) 2004-03-19 2005-03-21 在双金属氰化物催化工艺中起始物进料流的酸化
CN201010004910A Pending CN101851329A (zh) 2004-03-19 2005-03-21 在双金属氰化物催化工艺中起始物进料流的酸化

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN201010004910A Pending CN101851329A (zh) 2004-03-19 2005-03-21 在双金属氰化物催化工艺中起始物进料流的酸化

Country Status (15)

Country Link
US (2) US20050209438A1 (https=)
EP (1) EP1577334B1 (https=)
JP (1) JP4912602B2 (https=)
KR (1) KR101156415B1 (https=)
CN (2) CN1670007A (https=)
AT (1) ATE386766T1 (https=)
BR (1) BRPI0500969B1 (https=)
CA (1) CA2500905C (https=)
DE (1) DE602005004821T2 (https=)
ES (1) ES2300889T3 (https=)
MX (1) MXPA05003008A (https=)
PL (1) PL1577334T3 (https=)
PT (1) PT1577334E (https=)
RU (1) RU2005107562A (https=)
SG (1) SG115771A1 (https=)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102753603A (zh) * 2009-12-14 2012-10-24 陶氏环球技术有限责任公司 使用双金属氰化物催化剂连续制备低当量多元醇的方法
CN102858846A (zh) * 2010-02-25 2013-01-02 陶氏环球技术有限责任公司 多官能聚甘油引发的聚醚多元醇及由其得到的高回弹性聚氨酯板材
CN109071794A (zh) * 2016-04-20 2018-12-21 科思创有限公司 将反应器由碱催化的多元醇制备转换成dmc催化的多元醇制备的方法
CN109762123A (zh) * 2017-11-09 2019-05-17 山东蓝星东大有限公司 聚酯醚二醇及制法和由其制备的聚氨酯弹性体及制法
WO2020062816A1 (zh) 2018-09-29 2020-04-02 杭州普力材料科技有限公司 一种混合酸改性的锌钴双金属氰化物催化剂及其制备方法

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US20050209438A1 (en) * 2004-03-19 2005-09-22 Browne Edward P Starter feed stream acidification in DMC-catalyzed process
US7323605B2 (en) * 2005-11-09 2008-01-29 Bayer Materialscience Llc Double metal cyanide-catalyzed, low unsaturation polyethers from boron-containing starters
US20080021191A1 (en) * 2006-07-20 2008-01-24 Reese Jack R High water content tolerant process for the production of polyethers
DE102007057147A1 (de) 2007-11-28 2009-06-04 Evonik Goldschmidt Gmbh Verfahren zur Alkoxylierung mit DMC-Katalysatoren im Schlaufenreaktor mit Strahlsauger
WO2009077517A1 (de) * 2007-12-19 2009-06-25 Basf Se Verfahren zur herstellung von polyetheralkoholen
US20100324340A1 (en) * 2009-06-23 2010-12-23 Bayer Materialscience Llc Short chain polyether polyols prepared from ultra-low water-content starters via dmc catalysis
WO2011026989A2 (en) * 2009-09-07 2011-03-10 Shell Internationale Research Maatschappij B.V. Process for preparing a polyurethane foam
GB2482176A (en) * 2010-07-23 2012-01-25 Christopher Wickham Noakes Production of polyols for use in low ball rebound polyurethane foams
SG190803A1 (en) * 2010-12-20 2013-07-31 Bayer Ip Gmbh Method for producing polyether polyols
KR101866599B1 (ko) 2010-12-27 2018-06-11 다우 글로벌 테크놀로지스 엘엘씨 이중 금속 시안화물 촉매 착물 및 마그네슘, 3족-15족 금속 또는 란탄 계열 금속 화합물을 사용한 알킬렌 옥시드 중합
BR112013025054B1 (pt) * 2011-03-31 2020-03-17 Dow Global Technologies Llc Método para produzir um poliéter poliol de cadeia curta
EP2543689B1 (en) 2011-07-04 2016-08-10 Repsol, S.A. Continuous method for the synthesis of polyols
US20130289150A1 (en) 2012-04-26 2013-10-31 Bayer Materialscience Ag Viscoelastic polyurethane foams
EP2671893A1 (de) 2012-06-06 2013-12-11 Bayer MaterialScience AG Verfahren zur Herstellung von Omega-Hydroxy-Aminopolymeren
US10358404B2 (en) 2012-06-21 2019-07-23 Covestro Llc Process for the production of low molecular weight impact polyethers
CN103525353B (zh) * 2012-07-01 2015-04-22 万华化学(北京)有限公司 一种聚氨酯复膜胶及其制备方法
US9890100B2 (en) 2013-03-14 2018-02-13 Covestro Llc Continuous process for the production of low molecular weight polyethers with a DMC catalyst
US9051412B2 (en) 2013-03-14 2015-06-09 Bayer Materialscience Llc Base-catalyzed, long chain, active polyethers from short chain DMC-catalyzed starters
US10669368B2 (en) * 2013-03-15 2020-06-02 Covestro Llc Method to increase the resistance of double metal cyanide catalysts to deactivation
BR112016006429B1 (pt) 2013-09-27 2021-08-17 Dow Global Technologies Llc Processo para produzir polímeros poli(óxido de 1,2- butileno) e polímero poli(óxido de 1,2- butileno)
EP2865700A1 (de) 2013-10-23 2015-04-29 Bayer MaterialScience AG Verfahren zur Herstellung von Polyethercarbonatpolyolen
EP2876121A1 (de) 2013-11-22 2015-05-27 Bayer MaterialScience AG Einsatz von Urethan-Alkoholen zur Herstellung von Polyetherpolyolen
BR112017020478B1 (pt) 2015-03-31 2021-12-14 Dow Global Technologies Llc Composições de poliéter poliol, formulação de espuma semirrígida, espuma semirrígida e método para formar uma espuma semirrígida
WO2016160939A1 (en) 2015-03-31 2016-10-06 Dow Global Technologies Llc Semi-flexible foam formulations
EP3098251A1 (de) 2015-05-26 2016-11-30 Covestro Deutschland AG Einsatz von alkoholen, die mindestens zwei urethangruppen enthalten, zur herstellung von polyetherpolyolen
AR104981A1 (es) 2015-06-20 2017-08-30 Dow Global Technologies Llc Proceso continuo para producir polioles de poliéter que tienen un elevado contenido de óxido de etileno polimerizado, mediante el uso de un complejo catalizador de cianuro de metal doble y un compuesto metálico de la serie de lantanida o metal del grupo 3 - grupo 15, magnesio
CN107709405B (zh) * 2015-07-02 2020-02-07 科思创有限公司 使用dmc催化剂和连续加入起始剂制备聚醚多元醇的方法
WO2017006357A1 (en) 2015-07-06 2017-01-12 Dow Global Technologies Llc Polyurethane prepolymers
US9879114B2 (en) 2015-12-22 2018-01-30 Covestro Llc Process for the production of low molecular weight polyoxyalkylene polyols
CN107200837B (zh) * 2016-03-18 2019-10-18 淮安巴德聚氨酯科技有限公司 一种利用dmc催化剂循环制备聚醚多元醇的方法
US10961346B2 (en) 2016-05-13 2021-03-30 Covestro Deutschland Ag Method for the preparation of polyoxyalkylene polyols
US10258953B2 (en) 2016-08-05 2019-04-16 Covestro Llc Systems and processes for producing polyether polyols
PL3622003T3 (pl) 2017-05-10 2025-02-24 Dow Global Technologies Llc Proces polimeryzacji polieterowej
KR101950930B1 (ko) * 2017-05-26 2019-02-22 한국화학연구원 아연 산화물 및 알루미늄 산화물을 포함하는 히드록실기 알킬화용 다공성 촉매, 이의 비이온성 계면활성제를 사용한 제조방법 및 이를 이용한 폴리알킬렌 글리콜의 히드록실기의 알킬화 방법
PL3681925T3 (pl) 2017-09-15 2022-10-31 Dow Global Technologies Llc Ciągły sposób wytwarzania polieteropolioli
JP6510098B1 (ja) * 2018-02-14 2019-05-08 Agc株式会社 ポリウレタンフォーム製造用組成物、ポリオールシステム液及びポリウレタンフォームの製造方法
CN110964192B (zh) * 2018-09-29 2022-05-17 杭州普力材料科技有限公司 一种用于制备二氧化碳基聚碳酸酯的混合酸改性双金属氰化物催化剂及其制备方法
CN110964191B (zh) * 2018-09-29 2021-02-02 杭州普力材料科技有限公司 一种混合酸改性的锌钴双金属氰化物催化剂及其制备方法
US10723829B2 (en) 2018-12-19 2020-07-28 Covestro Llc Product-to-product process for preparation of low viscosity polyoxyalkylene polyols
US10961347B2 (en) 2018-12-19 2021-03-30 Covestro Llc Process for preparing polyoxyalkylene polyols by the continuous addition of starter
US10738155B2 (en) 2018-12-19 2020-08-11 Covestro Llc Product-to-product process for preparation of low viscosity polyoxyalkylene polyols
HUE061272T2 (hu) 2018-12-21 2023-06-28 Dow Global Technologies Llc Poliéter polimerizációs eljárás
HUE063321T2 (hu) 2019-02-28 2024-01-28 Dow Global Technologies Llc Poliéter polimerizációs eljárás
US10723830B1 (en) 2019-03-28 2020-07-28 Covestro Llc Product-to-product process for preparation of low viscosity polyoxyalkylene polyether polyols
WO2025128193A1 (en) 2023-12-15 2025-06-19 Dow Global Technologies Llc Hypersoft polyurethane foam and method of making
WO2025128194A1 (en) 2023-12-15 2025-06-19 Dow Global Technologies Llc Viscoelastic polyurethane foam and method of making

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3427256A (en) * 1963-02-14 1969-02-11 Gen Tire & Rubber Co Double metal cyanide complex compounds
GB1063525A (en) * 1963-02-14 1967-03-30 Gen Tire & Rubber Co Organic cyclic oxide polymers, their preparation and tires prepared therefrom
US3427334A (en) * 1963-02-14 1969-02-11 Gen Tire & Rubber Co Double metal cyanides complexed with an alcohol aldehyde or ketone to increase catalytic activity
US3427335A (en) * 1963-02-14 1969-02-11 Gen Tire & Rubber Co Double metal cyanides complexed with an acyclic aliphatic saturated monoether,an ester and a cyclic ether and methods for making the same
DE1770548A1 (de) * 1967-06-02 1972-02-10 Gen Tire & Rubber Co Polyester und ihre Herstellung
US3829505A (en) * 1970-02-24 1974-08-13 Gen Tire & Rubber Co Polyethers and method for making the same
US3829500A (en) * 1972-05-24 1974-08-13 R Crowley Oxybis(benzenesulfonylpolyalkoxyalkanols)and their use as surfactants
AU552988B2 (en) * 1982-03-31 1986-06-26 Shell Internationale Research Maatschappij B.V. Polymerizing epoxides and catalyst suspensions for this
AU551979B2 (en) * 1982-03-31 1986-05-15 Shell Internationale Research Maatschappij B.V. Epoxy polymerisation catalysts
JP3097854B2 (ja) * 1989-05-12 2000-10-10 旭硝子株式会社 ポリウレタン類の製造方法
US5158922A (en) * 1992-02-04 1992-10-27 Arco Chemical Technology, L.P. Process for preparing metal cyanide complex catalyst
JPH05331278A (ja) * 1992-05-29 1993-12-14 Asahi Glass Co Ltd 高分子量ポリエーテル類の製造方法
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
US5777177A (en) * 1996-02-07 1998-07-07 Arco Chemical Technology, L.P. Preparation of double metal cyanide-catalyzed polyols by continuous addition of starter
US5689012A (en) * 1996-07-18 1997-11-18 Arco Chemical Technology, L.P. Continuous preparation of low unsaturation polyoxyalkylene polyether polyols with continuous additon of starter
US6077978A (en) * 1997-09-17 2000-06-20 Arco Chemical Technology L.P. Direct polyoxyalkylation of glycerine with double metal cyanide catalysis
US6063897A (en) * 1998-05-05 2000-05-16 Arco Chemical Technology, L.P. Acid-treated double metal cyanide complex catalysts
US6028230A (en) * 1998-06-05 2000-02-22 Arco Chemical Technology, L.P. Epoxide polymerization process
US6359101B1 (en) * 1999-12-15 2002-03-19 Synuthane International, Inc. Preparing polyether polyols with DMC catalysts
DE10001779A1 (de) * 2000-01-18 2001-07-19 Basf Ag Verfahren zur Herstellung von Polyetheralkoholen
CN1252129C (zh) * 2000-02-29 2006-04-19 巴斯福股份公司 多金属氰化物化合物的制备
EP1318985A2 (en) * 2000-09-20 2003-06-18 MERCK PATENT GmbH 4-amino-quinazolines
DE10122020A1 (de) * 2001-05-07 2002-11-14 Bayer Ag Doppelmetallcyanid-Katalysatoren für die Herstellung von Polyetherpolyolen
US6764978B2 (en) 2002-08-28 2004-07-20 Basf Aktiengesellschaft Multimetal cyanide compounds
US20050209438A1 (en) * 2004-03-19 2005-09-22 Browne Edward P Starter feed stream acidification in DMC-catalyzed process
US20080021191A1 (en) * 2006-07-20 2008-01-24 Reese Jack R High water content tolerant process for the production of polyethers

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102753603A (zh) * 2009-12-14 2012-10-24 陶氏环球技术有限责任公司 使用双金属氰化物催化剂连续制备低当量多元醇的方法
CN102858846A (zh) * 2010-02-25 2013-01-02 陶氏环球技术有限责任公司 多官能聚甘油引发的聚醚多元醇及由其得到的高回弹性聚氨酯板材
CN102858846B (zh) * 2010-02-25 2015-10-07 陶氏环球技术有限责任公司 多官能聚甘油引发的聚醚多元醇及由其得到的高回弹性聚氨酯板材
CN109071794A (zh) * 2016-04-20 2018-12-21 科思创有限公司 将反应器由碱催化的多元醇制备转换成dmc催化的多元醇制备的方法
CN109071794B (zh) * 2016-04-20 2021-02-12 科思创有限公司 将反应器由碱催化的多元醇制备转换成dmc催化的多元醇制备的方法
CN109762123A (zh) * 2017-11-09 2019-05-17 山东蓝星东大有限公司 聚酯醚二醇及制法和由其制备的聚氨酯弹性体及制法
WO2020062816A1 (zh) 2018-09-29 2020-04-02 杭州普力材料科技有限公司 一种混合酸改性的锌钴双金属氰化物催化剂及其制备方法

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Publication number Publication date
CN101851329A (zh) 2010-10-06
DE602005004821T2 (de) 2009-03-26
US20100234647A1 (en) 2010-09-16
BRPI0500969A (pt) 2005-11-08
US20050209438A1 (en) 2005-09-22
JP2005272838A (ja) 2005-10-06
KR101156415B1 (ko) 2012-06-13
KR20060044413A (ko) 2006-05-16
CA2500905C (en) 2012-11-20
DE602005004821D1 (de) 2008-04-03
BRPI0500969B1 (pt) 2015-08-11
SG115771A1 (en) 2005-10-28
ES2300889T3 (es) 2008-06-16
EP1577334B1 (en) 2008-02-20
RU2005107562A (ru) 2006-08-27
MXPA05003008A (es) 2005-09-22
PT1577334E (pt) 2008-04-28
US7919575B2 (en) 2011-04-05
JP4912602B2 (ja) 2012-04-11
ATE386766T1 (de) 2008-03-15
EP1577334A1 (en) 2005-09-21
CA2500905A1 (en) 2005-09-19
PL1577334T3 (pl) 2008-06-30

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