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
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 (de)
EP (1) EP1577334B1 (de)
JP (1) JP4912602B2 (de)
KR (1) KR101156415B1 (de)
CN (2) CN101851329A (de)
AT (1) ATE386766T1 (de)
BR (1) BRPI0500969B1 (de)
CA (1) CA2500905C (de)
DE (1) DE602005004821T2 (de)
ES (1) ES2300889T3 (de)
MX (1) MXPA05003008A (de)
PL (1) PL1577334T3 (de)
PT (1) PT1577334E (de)
RU (1) RU2005107562A (de)
SG (1) SG115771A1 (de)

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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
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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
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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
PT3277740T (pt) 2015-03-31 2021-01-29 Dow Global Technologies Llc Formulações de espuma semi-flexíveis
US10766997B2 (en) 2015-03-31 2020-09-08 Dow Global Technologies Llc Polyether polyol compositions
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
JP2018519397A (ja) * 2015-07-02 2018-07-19 コベストロ、リミテッド、ライアビリティ、カンパニーＣｏｖｅｓｔｒｏ Ｌｌｃ Ｄｍｃ触媒およびスターターの連続的添加を使用したポリエーテルポリオールの製造方法
ES2959454T3 (es) 2015-07-06 2024-02-26 Dow Global Technologies Llc Prepolímeros de poliuretano
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
SG11201809538TA (en) 2016-05-13 2018-11-29 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
JP7146810B2 (ja) 2017-05-10 2022-10-04 ダウ グローバル テクノロジーズ エルエルシー 触媒錯体
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
US20200255592A1 (en) 2017-09-15 2020-08-13 Dow Global Technologies Llc Continuous Process for Making Polyether Polyols
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
CN111286014B (zh) * 2018-09-29 2022-04-12 杭州普力材料科技有限公司 一种用于二氧化碳和环氧化物共聚的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
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
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
US10961347B2 (en) 2018-12-19 2021-03-30 Covestro Llc Process for preparing polyoxyalkylene polyols by the continuous addition of starter
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Also Published As

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

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