SG115771A1 - Starter feed stream acidification in dmc-catalyzed process - Google Patents

Starter feed stream acidification in dmc-catalyzed process

Info

Publication number
SG115771A1
SG115771A1 SG200501617A SG200501617A SG115771A1 SG 115771 A1 SG115771 A1 SG 115771A1 SG 200501617 A SG200501617 A SG 200501617A SG 200501617 A SG200501617 A SG 200501617A SG 115771 A1 SG115771 A1 SG 115771A1
Authority
SG
Singapore
Prior art keywords
starter
feed stream
dmc
starter feed
catalyzed process
Prior art date
Application number
SG200501617A
Other languages
English (en)
Inventor
P Browne Edward
Original Assignee
Bayer Materialscience Llc
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 Materialscience Llc filed Critical Bayer Materialscience Llc
Publication of SG115771A1 publication Critical patent/SG115771A1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F8/00—Chemical modification by after-treatment
    • C08F8/02—Alkylation
    • 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
    • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/26—Macromolecular 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
    • C08G65/2696—Macromolecular 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
    • 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
    • C08G2/00—Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
    • C08G2/30—Chemical modification by after-treatment
    • 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
    • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • 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
    • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/26—Macromolecular 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
    • C08G65/2642—Macromolecular 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
    • C08G65/2645—Metals or compounds thereof, e.g. salts
    • C08G65/2663—Metal cyanide catalysts, i.e. DMC's
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/24—Nitrogen compounds
    • B01J27/26—Cyanides

Landscapes

  • 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)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
SG200501617A 2004-03-19 2005-03-17 Starter feed stream acidification in dmc-catalyzed process SG115771A1 (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
SG115771A1 true SG115771A1 (en) 2005-10-28

Family

ID=34838948

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200501617A SG115771A1 (en) 2004-03-19 2005-03-17 Starter feed stream acidification in dmc-catalyzed process

Country Status (15)

Country Link
US (2) US20050209438A1 (https=)
EP (1) EP1577334B1 (https=)
JP (1) JP4912602B2 (https=)
KR (1) KR101156415B1 (https=)
CN (2) CN101851329A (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=)

Families Citing this family (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP5468013B2 (ja) * 2007-12-19 2014-04-09 ビーエーエスエフ ソシエタス・ヨーロピア ポリエーテルアルコール類の製造方法
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
US9074044B2 (en) 2009-12-14 2015-07-07 Dow Global Technologies Llc Method for continuously producing low equivalent weight polyols using double metal cyanide catalysts
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
GB2482176A (en) * 2010-07-23 2012-01-25 Christopher Wickham Noakes Production of polyols for use in low ball rebound polyurethane foams
BR112013015393A2 (pt) 2010-12-20 2016-09-20 Bayer Ip Gmbh método para a preparação de poliéter polióis
SG191340A1 (en) 2010-12-27 2013-08-30 Dow Global Technologies Llc Alkylene oxide polymerization using a double metal cyanide catalyst complex and a magnesium, group 3-group 15 metal or lanthanide series metal compound
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
AU2016242839B2 (en) 2015-03-31 2020-04-09 Dow Global Technologies Llc Polyether polyol compositions
PT3277740T (pt) 2015-03-31 2021-01-29 Dow Global Technologies Llc Formulações de espuma semi-flexíveis
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
KR20180023906A (ko) * 2015-07-02 2018-03-07 코베스트로 엘엘씨 Ｄｍｃ 촉매 및 출발물의 연속적 첨가를 사용한 폴리에테르 폴리올의 제조 방법
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
US9994506B2 (en) * 2016-04-20 2018-06-12 Covestro Llc Process for transitioning reactors from base-catalyzed polyol production to DMC-catalyzed polyol production
JP6931362B2 (ja) 2016-05-13 2021-09-01 コベストロ、ドイチュラント、アクチエンゲゼルシャフトＣｏｖｅｓｔｒｏ Ｄｅｕｔｓｃｈｌａｎｄ Ａｇ ポリオキシアルキレンポリオールの製造方法
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
HUE059766T2 (hu) 2017-09-15 2022-12-28 Dow Global Technologies Llc Folyamatos eljárás poliéter-poliolok elkészítéséhez
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
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
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
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
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
US10961347B2 (en) 2018-12-19 2021-03-30 Covestro Llc Process for preparing polyoxyalkylene polyols by the continuous addition of starter
US10723829B2 (en) 2018-12-19 2020-07-28 Covestro Llc Product-to-product process for preparation of low viscosity polyoxyalkylene polyols
US10738155B2 (en) 2018-12-19 2020-08-11 Covestro Llc Product-to-product process for preparation of low viscosity polyoxyalkylene polyols
JP7573529B2 (ja) 2018-12-21 2024-10-25 ダウ グローバル テクノロジーズ エルエルシー ポリエーテル重合プロセス
ES2961155T3 (es) 2019-02-28 2024-03-08 Dow Global Technologies Llc Proceso de polimerización de poliéter
US10723830B1 (en) 2019-03-28 2020-07-28 Covestro Llc Product-to-product process for preparation of low viscosity polyoxyalkylene polyether polyols
WO2025128194A1 (en) 2023-12-15 2025-06-19 Dow Global Technologies Llc Viscoelastic polyurethane foam and method of making
WO2025128193A1 (en) 2023-12-15 2025-06-19 Dow Global Technologies Llc Hypersoft 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
GB1063525A (en) * 1963-02-14 1967-03-30 Gen Tire & Rubber Co Organic cyclic oxide polymers, their preparation and tires prepared therefrom
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
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
US3427256A (en) * 1963-02-14 1969-02-11 Gen Tire & Rubber Co Double metal cyanide complex compounds
GB1225803A (https=) * 1967-06-02 1971-03-24
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
AU551979B2 (en) * 1982-03-31 1986-05-15 Shell Internationale Research Maatschappij B.V. Epoxy polymerisation catalysts
AU552988B2 (en) * 1982-03-31 1986-06-26 Shell Internationale Research Maatschappij B.V. Polymerizing epoxides and catalyst suspensions for this
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
DE50103101D1 (de) * 2000-02-29 2004-09-09 Basf Ag Verfahren zur herstellung von multimetallcyanidverbindungen
HUP0302429A3 (en) * 2000-09-20 2004-01-28 Merck Patent Gmbh 4-amino-quinazolines, process for producing them, pharmaceutical compositions containing them and their use
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

Also Published As

Publication number Publication date
EP1577334B1 (en) 2008-02-20
JP2005272838A (ja) 2005-10-06
US7919575B2 (en) 2011-04-05
CA2500905C (en) 2012-11-20
RU2005107562A (ru) 2006-08-27
PT1577334E (pt) 2008-04-28
PL1577334T3 (pl) 2008-06-30
DE602005004821D1 (de) 2008-04-03
MXPA05003008A (es) 2005-09-22
DE602005004821T2 (de) 2009-03-26
JP4912602B2 (ja) 2012-04-11
ES2300889T3 (es) 2008-06-16
KR20060044413A (ko) 2006-05-16
BRPI0500969B1 (pt) 2015-08-11
CN1670007A (zh) 2005-09-21
US20050209438A1 (en) 2005-09-22
US20100234647A1 (en) 2010-09-16
ATE386766T1 (de) 2008-03-15
CA2500905A1 (en) 2005-09-19
EP1577334A1 (en) 2005-09-21
BRPI0500969A (pt) 2005-11-08
CN101851329A (zh) 2010-10-06
KR101156415B1 (ko) 2012-06-13

Similar Documents

Publication Publication Date Title
SG115771A1 (en) Starter feed stream acidification in dmc-catalyzed process
MX2009001247A (es) Novedosos agentes de compatibilidad para mejorar la estabilidad al almacenamiento de mezclas de polioles.
DE60204461D1 (de) Verfahren zur herstellung von polyol-mischungen
MY122976A (en) Polyurethane prepolymers with reduced functionality having terminal alkoxysilane and oh groups, a method of preparing them and their use
PL2038325T3 (pl) Elastomery poliuretanowe
MX2009007771A (es) Proceso para la preparacion de polioles de carbonato de polieter.
MY157395A (en) Glycerol-based product, process for obtaining same and use thereof in the manufacture of dichloropropanol
WO2003014013A3 (en) Calcium hypochlorite of reduced reactivity
TW200728337A (en) Process for making moisture-curable silylated resin composition, the resulting composition and moisture-curable products containing the composition
MY155289A (en) Antireflective coating compositions
IN2014CN02575A (https=)
PT1928927E (pt) Massas de gel à base de poliuretano, sua preparação e utilização
GB2466895A (en) Polyurethane coating
MY187392A (en) Polyurethane-polyisocyanurate compound comprising outstanding mechanical properties
MXPA05005620A (es) Formulaciones de poliuretano con tiempo de crema extendido/demoldeado rapido.
WO2009137455A3 (en) Cure accelerators for anaerobic curable compositions
SA516370740B1 (ar) بوليولات بولي إيثير كربونات متفرعة وعملية لتحضيرها
MY156301A (en) Polymerizable liquid composition and process for the production of organic glass starting from polymerizable liquid compositions of the polyurethane type
DE502006003088D1 (de) Verfahren zur kontinuierlichen herstellung thermoplastisch verarbeitbarer polyurethan-elastomere
NZ599230A (en) Coating material for hand application
WO2008068038A3 (en) Reactive composition containing an unsaturated backbone
TW200631937A (en) Polyaspartimides
MY146630A (en) Method for the depolymerization of mixtures that contain mono-and/or diesters of polytetrahydrofurane
SG130109A1 (en) A process for the production of polyurethane products
DE502005001484D1 (de) Quellbeständige polyurethanintegralschaumstoffe