DE69423403T2 - Verfahren zur Regenerierung von Katalysatoren aus Polyalkylenpolyolen - Google Patents

Verfahren zur Regenerierung von Katalysatoren aus Polyalkylenpolyolen

Info

Publication number
DE69423403T2
DE69423403T2 DE69423403T DE69423403T DE69423403T2 DE 69423403 T2 DE69423403 T2 DE 69423403T2 DE 69423403 T DE69423403 T DE 69423403T DE 69423403 T DE69423403 T DE 69423403T DE 69423403 T2 DE69423403 T2 DE 69423403T2
Authority
DE
Germany
Prior art keywords
regeneration
catalysts
polyalkylene polyols
polyalkylene
polyols
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.)
Expired - Fee Related
Application number
DE69423403T
Other languages
English (en)
Other versions
DE69423403D1 (de
Inventor
Tomoki Tsutsui
Tsukuru Izukawa
Kazuhiko Ohkubo
Yoshitsugu Sakaki
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.)
Mitsui Chemicals Inc
Original Assignee
Mitsui Chemicals Inc
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 Mitsui Chemicals Inc filed Critical Mitsui Chemicals Inc
Application granted granted Critical
Publication of DE69423403D1 publication Critical patent/DE69423403D1/de
Publication of DE69423403T2 publication Critical patent/DE69423403T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/30—Low-molecular-weight compounds
    • C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
    • 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
    • C08G65/34—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/584—Recycling of catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyethers (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE69423403T 1993-09-07 1994-09-06 Verfahren zur Regenerierung von Katalysatoren aus Polyalkylenpolyolen Expired - Fee Related DE69423403T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22191493 1993-09-07

Publications (2)

Publication Number Publication Date
DE69423403D1 DE69423403D1 (de) 2000-04-20
DE69423403T2 true DE69423403T2 (de) 2000-08-03

Family

ID=16774142

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69423403T Expired - Fee Related DE69423403T2 (de) 1993-09-07 1994-09-06 Verfahren zur Regenerierung von Katalysatoren aus Polyalkylenpolyolen

Country Status (7)

Country Link
US (2) US5468840A (de)
EP (1) EP0641814B1 (de)
KR (1) KR0145350B1 (de)
CN (1) CN1036722C (de)
DE (1) DE69423403T2 (de)
SG (1) SG54997A1 (de)
TW (1) TW305847B (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6077926A (en) * 1995-02-15 2000-06-20 Basf Corporation Physical properties of sealants using polyols with reduced unsaturation
DE19735795A1 (de) * 1997-08-18 1999-02-25 Bayer Ag Verfahren zur Herstellung von Polyetherpolyolen
US6153727A (en) * 1998-08-18 2000-11-28 Shell Oil Company Extraction of metal residues from polymer cements
SE9902364D0 (sv) * 1999-06-21 1999-06-21 Astra Ab New process
US6376625B1 (en) 1999-08-25 2002-04-23 The Dow Chemical Company Process for purifying polyethers
AU6393201A (en) 2000-05-15 2001-11-26 Shell Internationale Research Maatschappij B.V. Process for the preparation of polyether polyols
DE10223054A1 (de) * 2002-05-24 2003-12-04 Basf Ag Verfahren zur Herstellung von Polyetherolen
US20050101681A1 (en) * 2003-11-07 2005-05-12 Kaushiva Bryan D. Molded polyurethane foam with property enhancements for improved comfort and greater durability
US7495063B2 (en) * 2006-02-03 2009-02-24 Dow Global Technologies Inc. Reduced oligomer concentration in high purity polyalkylene glycols
EP3228649B1 (de) * 2016-04-04 2020-07-15 Evonik Operations GmbH Aufbereitung alkalisch katalysierter alkoxylierungsprodukte
JP6935059B2 (ja) * 2017-03-30 2021-09-15 日油株式会社 カルボキシル基を一つ有するポリエチレングリコールの精製方法
CN111690110B (zh) * 2020-06-22 2022-03-11 上海墨梵新材料科技有限公司 包括含活性基团的聚氨酯催化剂的组合聚醚多元醇及其制备方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3742069A (en) * 1970-07-06 1973-06-26 Ici America Inc Purification of polyglycerols
BE795455A (fr) * 1972-02-24 1973-08-16 Basf Ag Procede de preparation de polyalkylene-ethers purs
US4122035A (en) * 1976-12-17 1978-10-24 Basf Wyandotte Corporation Process for reclaiming synthetic magnesium silicate or aluminum silicate adsorbents employed in the purification of polyether polyols
US4129718A (en) * 1977-12-01 1978-12-12 Basf Wyandotte Corporation Process for the removal of catalyst from polyether polyol
CA1155871A (en) * 1980-10-16 1983-10-25 Gencorp Inc. Method for treating polypropylene ether and poly-1,2- butylene ether polyols
DE3229216A1 (de) * 1982-08-05 1984-02-09 Basf Ag, 6700 Ludwigshafen Verfahren zur reinigung von rohen polyether-polyolen
EP0181621B1 (de) * 1984-11-13 1991-09-04 Asahi Kasei Kogyo Kabushiki Kaisha Verfahren zur Reinigung von Polyalkylenäthern
DE3606479A1 (de) * 1986-02-28 1987-09-03 Basf Ag Verfahren zur herstellung von polyoxibutylenpolyoxialkylenglykolen mit enger molekulargewichtsverteilung und vermindertem gehalt an oligomeren cyclischen ethern
DE3726121A1 (de) * 1987-08-06 1989-02-16 Basf Ag Veretherung von polyoxyalkylenderivaten
US4985551A (en) * 1988-12-29 1991-01-15 Basf Corporation Process for purification of catalysts from polyols using ion exchange resins
US5342541A (en) * 1989-03-29 1994-08-30 The Dow Chemical Company Purified hydroxy-functional polyether compounds
US5254227A (en) * 1989-06-16 1993-10-19 Olin Corporation Process for removing catalyst impurities from polyols
US4994627A (en) * 1990-03-16 1991-02-19 Texaco Chemical Company Purification of polyoxyalkylene glycols
WO1991018038A1 (en) * 1990-05-11 1991-11-28 Asahi Glass Company Ltd. Process for producing polyoxyalkylene compound
US5095061A (en) * 1990-07-13 1992-03-10 The Dow Chemical Company Process to reduce propenyl polyethers in hydroxyfunctional polyethers
JPH04185635A (ja) * 1990-11-21 1992-07-02 Mitsui Toatsu Chem Inc ポリオキシアルキレンポリオールの精製法
JPH05163341A (ja) * 1991-12-16 1993-06-29 Mitsui Toatsu Chem Inc ポリオキシアルキレンポリオールの製造方法

Also Published As

Publication number Publication date
TW305847B (de) 1997-05-21
CN1105039A (zh) 1995-07-12
EP0641814A1 (de) 1995-03-08
KR0145350B1 (ko) 1998-07-15
US5545712A (en) 1996-08-13
EP0641814B1 (de) 2000-03-15
KR950008556A (ko) 1995-04-19
SG54997A1 (en) 1999-10-19
DE69423403D1 (de) 2000-04-20
CN1036722C (zh) 1997-12-17
US5468840A (en) 1995-11-21

Similar Documents

Publication Publication Date Title
DE69529196D1 (de) Verfahren zur Regeneration von Katalysatoren
DE69432859D1 (de) Verfahren zur reinigung von kollagenase
DE59208331D1 (de) Verfahren zur Regenerierung von Metalloxid-Katalysatoren
DE59002817D1 (de) Verfahren zur kontinuierlichen Reinigung von Caprolactam.
DE69423403D1 (de) Verfahren zur Regenerierung von Katalysatoren aus Polyalkylenpolyolen
DE69000118T2 (de) Verfahren zur regenerierung von katalysatoren.
DE59400348D1 (de) Verfahren zur Regenerierung von Salzsäure aus Beizanlagen
ATE118498T1 (de) Verfahren zur reinigung von n- phosphonmethylglyzin.
DE59006898D1 (de) Verfahren zur Autoverschrottung.
DE69008825D1 (de) Verfahren zur Reinigung von Phagen-DNA.
DE69503476D1 (de) Verfahren zur entfernung von umesterungskatalysatoren aus polyethenpolyolen
DE69304638D1 (de) Verfahren zur Reinigung von 1,1,1,2-Tetrafluorethan
DE69401036T2 (de) Verfahren zur Entfernung von Stickstoffoxiden
DE69300901D1 (de) Verfahren zur Reinigung von 1,1,1,2-Tetrafluorethan.
DE69302351D1 (de) Verfahren zur Wiedergewinnung von sauren Katalysatoren in säurekatalysierten Prozessen
DE69324728T2 (de) Verfahren zur Reinigung von Phenol
DE69418092D1 (de) Neues Verfahren zur Presulfidierung von Katalysatoren
DE69604936D1 (de) Verfahren zur regeneration von katalysatoren
DE69509941D1 (de) Verfahren zur Wiedergewinnung von Alkylierungskatalysator
DE69112391T2 (de) Verfahren zur reinigung von fluorwasserstoff.
DE59300123D1 (de) Verfahren zur Entfernung von Wasserstoffhaltigen Silanen aus Silanen.
DE69501535D1 (de) Verfahren zur Reinigung von Difluormethan
DE69428925D1 (de) Verfahren zur Reinigung von 1,1,1,2,2-Pentafluoroethan
DE59000031D1 (de) Verfahren zur entfernung von katalysatoren aus polyether-polyolen.
DE69300712D1 (de) Verfahren zur Reinigung von L-Phenylalanin.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee