KR19980701612A - 폴리글리콜 최종처리 방법 - Google Patents

폴리글리콜 최종처리 방법 Download PDF

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Publication number
KR19980701612A
KR19980701612A KR1019970705005A KR19970705005A KR19980701612A KR 19980701612 A KR19980701612 A KR 19980701612A KR 1019970705005 A KR1019970705005 A KR 1019970705005A KR 19970705005 A KR19970705005 A KR 19970705005A KR 19980701612 A KR19980701612 A KR 19980701612A
Authority
KR
South Korea
Prior art keywords
polyglycol
acid
polyglycols
oxide
final treatment
Prior art date
Application number
KR1019970705005A
Other languages
English (en)
Korean (ko)
Inventor
올리베이라 아벨 데
소우자 세르지오 페라우케
리카르도 아라우조
Original Assignee
곤잘로 알베르토 발퀘로 라미레즈 알만도 마르치
다우 퀴미카 에스.에이
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 곤잘로 알베르토 발퀘로 라미레즈 알만도 마르치, 다우 퀴미카 에스.에이 filed Critical 곤잘로 알베르토 발퀘로 라미레즈 알만도 마르치
Publication of KR19980701612A publication Critical patent/KR19980701612A/ko

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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
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
    • C07C41/01—Preparation of ethers
    • C07C41/34—Separation; Purification; Stabilisation; Use of additives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Polyethers (AREA)
  • Biological Depolymerization Polymers (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
KR1019970705005A 1995-01-24 1995-01-24 폴리글리콜 최종처리 방법 KR19980701612A (ko)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/BR1995/000005 WO1996023019A1 (en) 1995-01-24 1995-01-24 Polyglycol finishing process

Publications (1)

Publication Number Publication Date
KR19980701612A true KR19980701612A (ko) 1998-06-25

Family

ID=4060384

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019970705005A KR19980701612A (ko) 1995-01-24 1995-01-24 폴리글리콜 최종처리 방법

Country Status (5)

Country Link
JP (1) JPH10512613A (pt)
KR (1) KR19980701612A (pt)
AU (1) AU1750895A (pt)
BR (1) BR9510295A (pt)
WO (1) WO1996023019A1 (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001088015A1 (en) * 2000-05-15 2001-11-22 Shell Internationale Research Maatschappij B.V. Process for the preparation of polyether polyols
DE10338827A1 (de) * 2003-08-21 2005-04-21 Basf Ag Verfahren zur Herstellung von Polyetheralkoholen
CN102887995B (zh) 2011-07-19 2016-08-03 因温斯特技术公司 聚醚多元醇过滤中的改进的产物回收方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3229216A1 (de) * 1982-08-05 1984-02-09 Basf Ag, 6700 Ludwigshafen Verfahren zur reinigung von rohen polyether-polyolen
US4877906A (en) * 1988-11-25 1989-10-31 Arco Chemical Technology, Inc. Purification of polyols prepared using double metal cyanide complex catalysts
DE3913937A1 (de) * 1989-04-27 1990-10-31 Hoechst Ag Verfahren zur reinigung von alkylenoxid-addukten
DE4014484A1 (de) * 1990-05-07 1991-11-14 Basf Ag Verfahren zur reinigung von polyalkylenetherglykolen
EP0590131B1 (en) * 1992-03-24 1999-04-14 The Dow Chemical Company Novel finishing process for hydroxy-functional polyethers

Also Published As

Publication number Publication date
AU1750895A (en) 1996-08-14
JPH10512613A (ja) 1998-12-02
WO1996023019A1 (en) 1996-08-01
BR9510295A (pt) 1997-11-11

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A201 Request for examination
E902 Notification of reason for refusal
E601 Decision to refuse application