IT8419236A0 - PROCEDURE FOR THE PURIFICATION OF POLYETHERS AND/OR COPOLYETHERS AT LEAST LIMITEDLY SOLUBLE IN WATER. - Google Patents

PROCEDURE FOR THE PURIFICATION OF POLYETHERS AND/OR COPOLYETHERS AT LEAST LIMITEDLY SOLUBLE IN WATER.

Info

Publication number
IT8419236A0
IT8419236A0 IT8419236A IT1923684A IT8419236A0 IT 8419236 A0 IT8419236 A0 IT 8419236A0 IT 8419236 A IT8419236 A IT 8419236A IT 1923684 A IT1923684 A IT 1923684A IT 8419236 A0 IT8419236 A0 IT 8419236A0
Authority
IT
Italy
Prior art keywords
copolyethers
polyethers
purification
procedure
water
Prior art date
Application number
IT8419236A
Other languages
Italian (it)
Other versions
IT1173079B (en
Inventor
Ladislav Komora
Vendelin Macho
Eugen Malcovsky
Zdenek Smely
Otakar Karasex
Frantisek Hadobas
Original Assignee
Vyskumnuy Ustav Pre Petrochemi
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 Vyskumnuy Ustav Pre Petrochemi filed Critical Vyskumnuy Ustav Pre Petrochemi
Publication of IT8419236A0 publication Critical patent/IT8419236A0/en
Application granted granted Critical
Publication of IT1173079B publication Critical patent/IT1173079B/en

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)
  • Polyethers (AREA)
  • Polyurethanes Or Polyureas (AREA)
IT19236/84A 1983-01-21 1984-01-19 PROCEDURE FOR PURIFYING POLYETERS AND / OR COPOLETERS AT LEAST LIMITED SOLUBLE IN WATER IT1173079B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS83422A CS241409B1 (en) 1983-01-21 1983-01-21 Method of water/soluble polyerthers' and/or copolyethers' refining or at least limitation

Publications (2)

Publication Number Publication Date
IT8419236A0 true IT8419236A0 (en) 1984-01-19
IT1173079B IT1173079B (en) 1987-06-18

Family

ID=5336253

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19236/84A IT1173079B (en) 1983-01-21 1984-01-19 PROCEDURE FOR PURIFYING POLYETERS AND / OR COPOLETERS AT LEAST LIMITED SOLUBLE IN WATER

Country Status (8)

Country Link
CS (1) CS241409B1 (en)
DD (1) DD252955A3 (en)
DE (1) DE3401780A1 (en)
FR (1) FR2539747A3 (en)
GB (1) GB2135322B (en)
HU (1) HU193001B (en)
IT (1) IT1173079B (en)
NL (1) NL8400148A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4985551A (en) * 1988-12-29 1991-01-15 Basf Corporation Process for purification of catalysts from polyols using ion exchange resins
DE590131T1 (en) * 1992-03-24 1994-12-22 Dow Chemical Co NEW FINAL TREATMENT PROCESS FOR HYDROXY-FUNCTIONAL POLYTHETHERS.
ES2100120B1 (en) * 1994-07-12 1998-04-01 Repsol Quimica Sa DISCONTINUOUS PROCEDURE OF ION EXCHANGE FOR THE PURIFICATION OF GROSS POLYOLET POLYOLS.
PL191594B1 (en) * 2000-01-18 2006-06-30 Wojciech Balcerowiak Method of obtaining individual components of a package of additives to engine fuels
DE10024313A1 (en) * 2000-05-17 2001-11-22 Basf Ag Removal of alkali metal ions (production catalyst residues) from alkoxylates uses cation exchangers to give products sufficiently pure and combustible for use as fuel additives

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE547702A (en) * 1956-05-25
NL229031A (en) * 1957-06-27
GB870457A (en) * 1957-12-23 1961-06-14 Shell Res Ltd Improvements in and relating to the preparation of polyoxyalkylene compounds
US3016404A (en) * 1959-09-28 1962-01-09 Allied Chem Purification of crude alkylene oxide polyether
GB892557A (en) * 1959-12-31 1962-03-28 Ici Ltd Purification process
GB916552A (en) * 1960-04-01 1963-01-23 Ici Ltd Purification of polyethers
GB1054337A (en) * 1963-07-11
US3299151A (en) * 1963-10-08 1967-01-17 Pittsburgh Plate Glass Co Preparation of polyether polyols
GB1116501A (en) * 1965-01-21 1968-06-06 Ici Ltd Process for the purification of polyethers
US3742069A (en) * 1970-07-06 1973-06-26 Ici America Inc Purification of polyglycerols
GB1377486A (en) * 1971-02-16 1974-12-18 Ici Ltd Polyether purification process
DE2854541A1 (en) * 1978-12-16 1980-06-26 Bayer Ag METHOD FOR CLEANING NONIONIC EMULSIFIERS
DE3016113A1 (en) * 1980-04-25 1981-10-29 Bayer Ag, 5090 Leverkusen METHOD FOR THE PROCESSING OF POLYETHER POLYOLS
DE3016112A1 (en) * 1980-04-25 1981-11-05 Bayer Ag, 5090 Leverkusen METHOD FOR THE PROCESSING OF POLYETHER POLYOLS
JPS5770124A (en) * 1980-10-20 1982-04-30 Dai Ichi Kogyo Seiyaku Co Ltd Purification of polyether-polyol
DE3107449A1 (en) * 1981-02-27 1982-09-16 Basf Ag, 6700 Ludwigshafen METHOD FOR PURIFYING POLYTETRAMETHYLENE ETHERGLYCOLS

Also Published As

Publication number Publication date
GB2135322A (en) 1984-08-30
HU193001B (en) 1987-08-28
GB2135322B (en) 1987-09-30
CS42283A1 (en) 1985-08-15
CS241409B1 (en) 1986-03-13
GB8401542D0 (en) 1984-02-22
FR2539747B3 (en) 1984-12-21
IT1173079B (en) 1987-06-18
FR2539747A3 (en) 1984-07-27
DD252955A3 (en) 1988-01-06
HUT34047A (en) 1985-01-28
DE3401780A1 (en) 1984-07-26
NL8400148A (en) 1984-08-16

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