IT961142B - Processo per allontanare impurezze di basi inorganiche da materiali di polieteri - Google Patents

Processo per allontanare impurezze di basi inorganiche da materiali di polieteri

Info

Publication number
IT961142B
IT961142B IT2054672A IT2054672A IT961142B IT 961142 B IT961142 B IT 961142B IT 2054672 A IT2054672 A IT 2054672A IT 2054672 A IT2054672 A IT 2054672A IT 961142 B IT961142 B IT 961142B
Authority
IT
Italy
Prior art keywords
polyeter
materials
inorganic bases
removing impurities
impurities
Prior art date
Application number
IT2054672A
Other languages
English (en)
Original Assignee
Ici Ltd
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 Ltd filed Critical Ici Ltd
Application granted granted Critical
Publication of IT961142B publication Critical patent/IT961142B/it

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyesters Or Polycarbonates (AREA)
IT2054672A 1971-02-16 1972-02-14 Processo per allontanare impurezze di basi inorganiche da materiali di polieteri IT961142B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB472271A GB1377486A (en) 1971-02-16 1971-02-16 Polyether purification process

Publications (1)

Publication Number Publication Date
IT961142B true IT961142B (it) 1973-12-10

Family

ID=9782557

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2054672A IT961142B (it) 1971-02-16 1972-02-14 Processo per allontanare impurezze di basi inorganiche da materiali di polieteri

Country Status (5)

Country Link
AU (1) AU3887772A (it)
ES (1) ES399844A1 (it)
GB (1) GB1377486A (it)
IT (1) IT961142B (it)
NL (1) NL7201819A (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4110268A (en) * 1976-09-27 1978-08-29 Witco Chemical Corporation Polyether polyols and polyurethane foams made therefrom
US4490560A (en) * 1982-09-29 1984-12-25 The B. F. Goodrich Company Decolorizing polymers of epihalohydrin
CS241409B1 (en) * 1983-01-21 1986-03-13 Ladislav Komora Method of water/soluble polyerthers' and/or copolyethers' refining or at least limitation
US5248833A (en) * 1992-09-22 1993-09-28 Arco Chemical Technology, L.P. Process for purifying polyols made with double metal cyanide catalysts

Also Published As

Publication number Publication date
AU3887772A (en) 1973-08-16
NL7201819A (it) 1972-08-18
ES399844A1 (es) 1975-04-01
GB1377486A (en) 1974-12-18

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