BE836595A - Procede pour la purification de polyoxyalkylene-polyether-polyols sensiblement a la chaleur - Google Patents

Procede pour la purification de polyoxyalkylene-polyether-polyols sensiblement a la chaleur

Info

Publication number
BE836595A
BE836595A BE162711A BE162711A BE836595A BE 836595 A BE836595 A BE 836595A BE 162711 A BE162711 A BE 162711A BE 162711 A BE162711 A BE 162711A BE 836595 A BE836595 A BE 836595A
Authority
BE
Belgium
Prior art keywords
polyoxyalkylene
polyols
polyether
purifying
sensitive
Prior art date
Application number
BE162711A
Other languages
English (en)
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 filed Critical
Publication of BE836595A publication Critical patent/BE836595A/fr

Links

Classifications

    • 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
    • C07C41/38—Separation; Purification; Stabilisation; Use of additives by liquid-liquid 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
    • 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)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Polyethers (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE162711A 1974-12-13 1975-12-12 Procede pour la purification de polyoxyalkylene-polyether-polyols sensiblement a la chaleur BE836595A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US53263574A 1974-12-13 1974-12-13

Publications (1)

Publication Number Publication Date
BE836595A true BE836595A (fr) 1976-06-14

Family

ID=24122560

Family Applications (1)

Application Number Title Priority Date Filing Date
BE162711A BE836595A (fr) 1974-12-13 1975-12-12 Procede pour la purification de polyoxyalkylene-polyether-polyols sensiblement a la chaleur

Country Status (4)

Country Link
BE (1) BE836595A (fr)
CA (1) CA1060480A (fr)
DE (1) DE2554228A1 (fr)
FR (1) FR2294202A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2854541A1 (de) * 1978-12-16 1980-06-26 Bayer Ag Verfahren zur reinigung nichtionischer emulgatoren
DE3016112A1 (de) * 1980-04-25 1981-11-05 Bayer Ag, 5090 Leverkusen Verfahren zur aufarbeitung von polyetherpolyolen
US4500705A (en) * 1984-01-09 1985-02-19 E. I. Du Pont De Nemours And Company Method for reducing oligomeric cyclic ether content of a polymerizate
GB8700161D0 (en) * 1987-01-06 1987-02-11 Dow Chemical Nederland Preparation of polyether compositions
DE3907911A1 (de) * 1989-03-11 1990-09-13 Bayer Ag Verfahren zur entfernung von katalysatoren aus polyether-polyolen
DE19757709A1 (de) * 1997-12-23 1999-07-01 Basf Ag Verfahren zur Herstellung oxalkylierter Amine

Also Published As

Publication number Publication date
CA1060480A (fr) 1979-08-14
FR2294202A1 (fr) 1976-07-09
FR2294202B1 (fr) 1979-09-07
DE2554228A1 (de) 1976-06-16

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