CA2165140A1 - Methode pour eliminer une substance a ph basique dans un polyether-polyol - Google Patents

Methode pour eliminer une substance a ph basique dans un polyether-polyol

Info

Publication number
CA2165140A1
CA2165140A1 CA 2165140 CA2165140A CA2165140A1 CA 2165140 A1 CA2165140 A1 CA 2165140A1 CA 2165140 CA2165140 CA 2165140 CA 2165140 A CA2165140 A CA 2165140A CA 2165140 A1 CA2165140 A1 CA 2165140A1
Authority
CA
Canada
Prior art keywords
emulsion
polymerizate
polyether polyol
inorganic salt
coalescer
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
CA 2165140
Other languages
English (en)
Inventor
Mark R. Kratz
Robert P. Yeater
David A. Balister
Robin E. Tirpak
Lewis S. Newman
Richard B. Steitle
Mark S. Solomon
Ronald B. Timm
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 Corp
Original Assignee
Bayer Corp
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 Corp filed Critical Bayer Corp
Publication of CA2165140A1 publication Critical patent/CA2165140A1/fr
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • C08G65/30—Post-polymerisation treatment, e.g. recovery, purification, drying

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyethers (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Extraction Or Liquid Replacement (AREA)
CA 2165140 1995-01-05 1995-12-13 Methode pour eliminer une substance a ph basique dans un polyether-polyol Abandoned CA2165140A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US36921495A 1995-01-05 1995-01-05
US08/369,214 1995-01-05

Publications (1)

Publication Number Publication Date
CA2165140A1 true CA2165140A1 (fr) 1996-07-06

Family

ID=23454566

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2165140 Abandoned CA2165140A1 (fr) 1995-01-05 1995-12-13 Methode pour eliminer une substance a ph basique dans un polyether-polyol

Country Status (2)

Country Link
CA (1) CA2165140A1 (fr)
WO (1) WO1996020972A2 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5962749A (en) * 1997-12-24 1999-10-05 Bayer Corporation Process for the removal of alkalinity in the manufacture of polyether polyols and the reuse of this alkalinity in the manufacture of polyether polyols
CN108341942A (zh) * 2017-01-22 2018-07-31 山东蓝星东大化工有限责任公司 用于碱金属催化合成的聚醚多元醇的精制方法
US10150837B2 (en) 2016-06-23 2018-12-11 Covestro Llc Processes for removing water from a polyether polyol
CN109575268A (zh) * 2018-11-02 2019-04-05 佳化化学（滨州）有限公司 一种聚醚多元醇的精制方法及精制装置

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5800711A (en) * 1996-10-18 1998-09-01 Mdv Technologies, Inc. Process for the fractionation of polyoxyalkylene block copolymers
US6376625B1 (en) * 1999-08-25 2002-04-23 The Dow Chemical Company Process for purifying polyethers
AU2001287565A1 (en) * 2000-07-27 2002-02-13 Huntsman International, Llc Polyol processing
DE102007038436A1 (de) 2007-08-16 2009-02-19 Bayer Materialscience Ag Verfahren zur Herstellung von Polyolen
DE102008011683A1 (de) 2008-02-28 2009-09-03 Bayer Materialscience Ag Verfahren zur Herstellung von Polyolen
DE102008028555A1 (de) 2008-06-16 2009-12-17 Bayer Materialscience Ag Verfahren zur Herstellung von Polyolen
US20110112332A1 (en) * 2008-07-23 2011-05-12 Dow Global Technologies Inc. Process for increasing the coalescence rate for amine-initiated polyethers
DE102009043616A1 (de) 2009-09-29 2011-03-31 Bayer Materialscience Ag Verfahren zur Herstellung von aminogruppenhaltigen Polyolen
EP2365019A1 (fr) 2010-03-13 2011-09-14 Bayer MaterialScience AG Procédé destiné à la fabrication de polyols de polyéther
MX337785B (es) 2013-02-22 2016-03-18 Bayer Materialscience Ag Procedimiento de preparacion de polioles de polieter.
SG2014014567A (en) 2013-02-22 2014-09-26 Bayer Materialscience Ag Process for preparing polyether polyols
SG11201809538TA (en) 2016-05-13 2018-11-29 Covestro Deutschland Ag Method for the preparation of polyoxyalkylene polyols
EP3741788A1 (fr) 2019-05-24 2020-11-25 Covestro Deutschland AG Procédé de production de mélanges de poly-oxyalkylène-polyol
EP3838963A1 (fr) 2019-12-17 2021-06-23 Covestro Deutschland AG Procédé de fabrication de polyols polyester polyoxyalkylène
CN118159578A (zh) 2021-10-07 2024-06-07 科思创德国股份有限公司 制备聚氧化烯聚酯多元醇的方法
CN114031764A (zh) * 2021-10-22 2022-02-11 南京清研新材料研究院有限公司 一种聚醚的纯化方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3357738A (en) * 1965-10-11 1967-12-12 Bourlier Jean Automobile top
US3492358A (en) * 1968-04-10 1970-01-27 Dow Chemical Co Purification of ethers
US3823145A (en) * 1968-07-26 1974-07-09 Basf Wyandotte Corp Removal of impurities from polyols
DE3016113A1 (de) * 1980-04-25 1981-10-29 Bayer Ag, 5090 Leverkusen Verfahren zur aufarbeitung von polyetherpolyolen
JP3263450B2 (ja) * 1992-11-27 2002-03-04 三井化学株式会社 粗ポリオキシプロピレンポリオールの精製方法

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5962749A (en) * 1997-12-24 1999-10-05 Bayer Corporation Process for the removal of alkalinity in the manufacture of polyether polyols and the reuse of this alkalinity in the manufacture of polyether polyols
EP0926183A3 (fr) * 1997-12-24 2001-05-16 Bayer Corporation Procédé d'élimination de l'alcalinité lors de la préparation de polyétherpolyoles et réutilisation de cette alcalinité pour la préparation de polyétherpolyols
US10150837B2 (en) 2016-06-23 2018-12-11 Covestro Llc Processes for removing water from a polyether polyol
CN108341942A (zh) * 2017-01-22 2018-07-31 山东蓝星东大化工有限责任公司 用于碱金属催化合成的聚醚多元醇的精制方法
CN108341942B (zh) * 2017-01-22 2020-05-26 山东蓝星东大化工有限责任公司 用于碱金属催化合成的聚醚多元醇的精制方法
CN109575268A (zh) * 2018-11-02 2019-04-05 佳化化学（滨州）有限公司 一种聚醚多元醇的精制方法及精制装置
US11938416B2 (en) 2018-11-02 2024-03-26 Jiahua Chemistry (Binzhou) Co., Ltd. Polyether polyol refining method and refining apparatus

Also Published As

Publication number Publication date
WO1996020972A3 (fr) 1996-09-12
WO1996020972A2 (fr) 1996-07-11

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