FR2294202A1 - Procede pour la purification de polyoxyalkylene-polyether-polyols sensibles a la chaleur - Google Patents

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

Info

Publication number
FR2294202A1
FR2294202A1 FR7538093A FR7538093A FR2294202A1 FR 2294202 A1 FR2294202 A1 FR 2294202A1 FR 7538093 A FR7538093 A FR 7538093A FR 7538093 A FR7538093 A FR 7538093A FR 2294202 A1 FR2294202 A1 FR 2294202A1
Authority
FR
France
Prior art keywords
water
solvent
soln
polyoxyalkylene
purifying
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.)
Granted
Application number
FR7538093A
Other languages
English (en)
Other versions
FR2294202B1 (fr
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.)
BASF Corp
Original Assignee
BASF Wyandotte 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 BASF Wyandotte Corp filed Critical BASF Wyandotte Corp
Publication of FR2294202A1 publication Critical patent/FR2294202A1/fr
Application granted granted Critical
Publication of FR2294202B1 publication Critical patent/FR2294202B1/fr
Granted legal-status Critical Current

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)
FR7538093A 1974-12-13 1975-12-12 Procede pour la purification de polyoxyalkylene-polyether-polyols sensibles a la chaleur Granted FR2294202A1 (fr)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2294202A1 true FR2294202A1 (fr) 1976-07-09
FR2294202B1 FR2294202B1 (fr) 1979-09-07

Family

ID=24122560

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7538093A Granted FR2294202A1 (fr) 1974-12-13 1975-12-12 Procede pour la purification de polyoxyalkylene-polyether-polyols sensibles a la chaleur

Country Status (4)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0012875A1 (fr) * 1978-12-16 1980-07-09 Bayer Ag Agents émulsifiants non-ioniques et procédé pour leur purification
EP0274419A2 (fr) * 1987-01-06 1988-07-13 The Dow Chemical Company Préparation de compositions de polyéther

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0012875A1 (fr) * 1978-12-16 1980-07-09 Bayer Ag Agents émulsifiants non-ioniques et procédé pour leur purification
EP0274419A2 (fr) * 1987-01-06 1988-07-13 The Dow Chemical Company Préparation de compositions de polyéther
EP0274419A3 (fr) * 1987-01-06 1989-08-30 The Dow Chemical Company Préparation de compositions de polyéther

Also Published As

Publication number Publication date
FR2294202B1 (fr) 1979-09-07
CA1060480A (fr) 1979-08-14
BE836595A (fr) 1976-06-14
DE2554228A1 (de) 1976-06-16

Similar Documents

Publication Publication Date Title
GB942103A (en) Inorganic polymeric materials
AU589503B2 (en) Process for the removal of metals from waters containing them
ES2190794T3 (es) Procedimiento para la preparacion de disoluciones acuosas de dioxido de cloro.
FR2294202A1 (fr) Procede pour la purification de polyoxyalkylene-polyether-polyols sensibles a la chaleur
ATE42302T1 (de) Verfahren zur herstellung von 2-keto-aldonsaeure.
IE43653L (en) Sequestration of oxygen dissolved in water
IE40875L (en) 7 ß-ACYLAMINO -7Ó- ALKOXYCEPHALOSPORINS AND 6ß-ACYLAMINO¹-6Ó- ALKOXYPENICILLINS
GB1511223A (en) Process for preparing glyoxylic acid
GB1068888A (en) Method of making di- and tri methylolalkanoic acids
IE39560B1 (en) A process for the treatment of a matzerial containing zincand soluble silica
GB1012405A (en) Glucose production
ATE73755T1 (de) Verfahren zur industrieproduktion der wasserloesungen von glyoxylsaeure.
GB976725A (en) Process for the production of saccharic acid
AU1551188A (en) Improved hydraulic cement
GB1495339A (en) Process for detoxificating aqueous formaldehyde-containing effluents
GB1314281A (en) Removal of iron from phosphoric acid
GB1372019A (en) Preparation of pyrosulphates
GB1354238A (en) Treatment of effluents
GB1241649A (en) Process for the production of oxalic acid
GB1481976A (en) Stabilization of wet process phosphoric acid
GB1290807A (fr)
KR910021341A (ko) 과산화니오브산졸 및 그 제조방법
KR840002902A (ko) 엘라스타제의 정제방법(Elastase의 精製方法)
ES428937A1 (es) Un procedimiento mejorado para la purificacion de acido sulfurico acuoso.
EP0118405A3 (fr) Emulsion de polyol-silicate alcalin à contenu diminué en eau et procédé pour sa préparation

Legal Events

Date Code Title Description
ST Notification of lapse