CA961861A - Purification of polyglycerols - Google Patents

Purification of polyglycerols

Info

Publication number
CA961861A
CA961861A CA115,423A CA115423A CA961861A CA 961861 A CA961861 A CA 961861A CA 115423 A CA115423 A CA 115423A CA 961861 A CA961861 A CA 961861A
Authority
CA
Canada
Prior art keywords
polyglycerols
purification
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
Application number
CA115,423A
Other languages
English (en)
Other versions
CA115423S (en
Inventor
Robert H. Hunter
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.)
Zeneca Inc
Original Assignee
ICI Americas 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 ICI Americas Inc filed Critical ICI Americas Inc
Application granted granted Critical
Publication of CA961861A publication Critical patent/CA961861A/en
Expired 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D37/00—Processes of filtration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D37/00—Processes of filtration
    • B01D37/02—Precoating the filter medium; Addition of filter aids to the liquid being filtered
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J39/00—Cation exchange; Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
    • B01J39/04—Processes using organic exchangers
    • 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
    • C07C41/09—Preparation of ethers by dehydration of compounds containing hydroxy groups
    • 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
    • C07C41/36—Separation; Purification; Stabilisation; Use of additives by solid-liquid treatment; by chemisorption

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyethers (AREA)
CA115,423A 1970-07-06 1971-06-11 Purification of polyglycerols Expired CA961861A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US5270470A 1970-07-06 1970-07-06

Publications (1)

Publication Number Publication Date
CA961861A true CA961861A (en) 1975-01-28

Family

ID=21979354

Family Applications (1)

Application Number Title Priority Date Filing Date
CA115,423A Expired CA961861A (en) 1970-07-06 1971-06-11 Purification of polyglycerols

Country Status (5)

Country Link
US (1) US3742069A (enExample)
CA (1) CA961861A (enExample)
DE (1) DE2133281A1 (enExample)
FR (1) FR2098184B1 (enExample)
GB (1) GB1308412A (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3932532A (en) * 1973-06-01 1976-01-13 Ici United States Inc. Ethers of polyglycerol
DE2746911C3 (de) * 1977-10-19 1981-05-07 Chemische Werke Hüls AG, 4370 Marl Verfahren zur Reinigung von bei der säurekatalysierten Polymerisation von Tetrahydrofuran anfallenden Poly(tetrahydrofuran)-Lösungen
CS241409B1 (en) * 1983-01-21 1986-03-13 Ladislav Komora Method of water/soluble polyerthers' and/or copolyethers' refining or at least limitation
DE3410520A1 (de) * 1984-03-22 1985-09-26 Deutsche Solvay-Werke Gmbh, 5650 Solingen Verfahren zur herstellung von polyglycerinen durch reinigung und trennung einer waessrigen loesung eines polyglycerinhaltigen produktes
US5174902A (en) * 1990-02-27 1992-12-29 Bg Products, Inc. Method for removing cations and anions from an engine coolant liquid
FR2701476B1 (fr) * 1993-02-15 1995-04-21 Inst Francais Du Petrole Procédé de séparation d'un mélange de polyglycérols par voie chromatographique.
US5380469A (en) * 1993-03-18 1995-01-10 Calgene Chemical, Inc. Polyglycerol esters as functional fluids and functional fluid modifiers
KR0145350B1 (ko) * 1993-09-07 1998-07-15 사또오 아키오 폴리옥시알킬렌폴리올의 제조방법
WO2013172165A1 (ja) 2012-05-18 2013-11-21 花王株式会社 精製グリセリンアルキルエーテルの製造方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2284122A (en) * 1940-05-24 1942-05-26 Boyd Robert Process for purifying sugar solutions
US2579946A (en) * 1946-07-17 1951-12-25 Procter & Gamble Process for filtering glyceride oils
US2463677A (en) * 1946-09-24 1949-03-08 Atlas Powder Co Process for the removal of reducing sugar from polyhydric alcohol compositions
US2615924A (en) * 1950-08-31 1952-10-28 Illinois Water Treat Co Method of purifying glycerin
NL131218C (enExample) * 1964-04-11
US3562154A (en) * 1965-05-26 1971-02-09 Johns Manville High efficiency filter aid

Also Published As

Publication number Publication date
FR2098184A1 (enExample) 1972-03-10
DE2133281A1 (de) 1972-01-13
GB1308412A (en) 1973-02-21
US3742069A (en) 1973-06-26
FR2098184B1 (enExample) 1974-03-29

Similar Documents

Publication Publication Date Title
CA961861A (en) Purification of polyglycerols
CA942308A (en) Preparation of 2-trifluoromethylquinoxaline-di-n-oxides
CA907050A (en) Purification of adiponitrile
CA930324A (en) Purification of alkoxyacetones
CA833444A (en) Manufacture of fibertapes
CA989418A (en) Preparation of phenylaminoethanols
CA889876A (en) Purification of glyburide
CA842873A (en) Purification of perhaloacetones
CA949066A (en) Manufacture of 6-methylenetetracyclines
CA920608A (en) Preparation of dihydroterephthalates
CA842872A (en) Purification of perhaloacetones
CA850147A (en) Purification of perhaloacetones
CA954868A (en) Manufacture of n-arylthiazole-2-sulfenamide
CA933946A (en) Preparation of 4-mercaptophenols
CA932719A (en) Manufacture of new halogensteroids
CA841071A (en) Purification of alcohols
AU452128B2 (en) Purification of tetramisole
CA842876A (en) Reduction of chlorophenones
CA838164A (en) Purification of trioxane
CA850700A (en) Purification of alcohol
CA837671A (en) Purification of hydrocarbons
CA865739A (en) Bis-carbamates of alkyladamantanes
CA838663A (en) Purification of plasminogen
CA857394A (en) Preparation of alpha-triorganosiloxy-omega-hydroxy-diorganopolysiloxanes
CA873873A (en) Preparation of adamantane-d16