IT1173079B - Procedimento per la purificazione di polieteri e/o copolieteri almeno limitatamente solubili in acqua - Google Patents

Procedimento per la purificazione di polieteri e/o copolieteri almeno limitatamente solubili in acqua

Info

Publication number
IT1173079B
IT1173079B IT19236/84A IT1923684A IT1173079B IT 1173079 B IT1173079 B IT 1173079B IT 19236/84 A IT19236/84 A IT 19236/84A IT 1923684 A IT1923684 A IT 1923684A IT 1173079 B IT1173079 B IT 1173079B
Authority
IT
Italy
Prior art keywords
copoleters
polyeters
purifying
procedure
water
Prior art date
Application number
IT19236/84A
Other languages
English (en)
Italian (it)
Other versions
IT8419236A0 (it
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/it
Application granted granted Critical
Publication of IT1173079B publication Critical patent/IT1173079B/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)
  • Polyethers (AREA)
  • Polyurethanes Or Polyureas (AREA)
IT19236/84A 1983-01-21 1984-01-19 Procedimento per la purificazione di polieteri e/o copolieteri almeno limitatamente solubili in acqua IT1173079B (it)

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 IT8419236A0 (it) 1984-01-19
IT1173079B true IT1173079B (it) 1987-06-18

Family

ID=5336253

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19236/84A IT1173079B (it) 1983-01-21 1984-01-19 Procedimento per la purificazione di polieteri e/o copolieteri almeno limitatamente solubili in acqua

Country Status (8)

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

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
EP0590131B1 (en) * 1992-03-24 1999-04-14 The Dow Chemical Company Novel finishing process for hydroxy-functional polyethers
ES2100120B1 (es) * 1994-07-12 1998-04-01 Repsol Quimica Sa Procedimiento discontinuo de intercambio ionico para la purificacion de los polioles polieteres brutos.
PL191594B1 (pl) * 2000-01-18 2006-06-30 Wojciech Balcerowiak Sposób otrzymywania komponentów pakietu dodatków do paliw silnikowych
DE10024313A1 (de) 2000-05-17 2001-11-22 Basf Ag Verfahren zur Abtrennung von Alkalimetallionen aus Alkoxylaten

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE547702A (fi) * 1956-05-25
NL229031A (fi) * 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 (fi) * 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 (de) * 1978-12-16 1980-06-26 Bayer Ag Verfahren zur reinigung nichtionischer emulgatoren
DE3016113A1 (de) * 1980-04-25 1981-10-29 Bayer Ag, 5090 Leverkusen Verfahren zur aufarbeitung von polyetherpolyolen
DE3016112A1 (de) * 1980-04-25 1981-11-05 Bayer Ag, 5090 Leverkusen Verfahren zur aufarbeitung von polyetherpolyolen
JPS5770124A (en) * 1980-10-20 1982-04-30 Dai Ichi Kogyo Seiyaku Co Ltd Purification of polyether-polyol
DE3107449A1 (de) * 1981-02-27 1982-09-16 Basf Ag, 6700 Ludwigshafen Verfahren zur reinigung von polytetramethylenetherglykolen

Also Published As

Publication number Publication date
GB2135322A (en) 1984-08-30
IT8419236A0 (it) 1984-01-19
DE3401780A1 (de) 1984-07-26
FR2539747A3 (fr) 1984-07-27
CS241409B1 (en) 1986-03-13
HU193001B (en) 1987-08-28
DD252955A3 (de) 1988-01-06
CS42283A1 (en) 1985-08-15
HUT34047A (en) 1985-01-28
GB8401542D0 (en) 1984-02-22
GB2135322B (en) 1987-09-30
FR2539747B3 (fi) 1984-12-21
NL8400148A (nl) 1984-08-16

Similar Documents

Publication Publication Date Title
IT8547879A0 (it) Metodo e dispositivo per depurare acqua
IT8420775A1 (it) "Poliuretano modificato, disperdibile in acqua"
FI881383A0 (fi) Menetelmä veteen liuenneen pyrogeenin poistoon
ES285548Y (es) Perfeccionamientos en tenazas para bombas de agua
NO850848L (no) Rensemiddel og fremgangsmaate ved fremstilling derav
BR8801778A (pt) Metodo e aparelho para purificar ar e agua
DE3380487D1 (en) Water purifying method and system
ES2022249B3 (es) Cortador transversal
MX162032A (es) Mejoras en aparato de refrigeracion
IT1173079B (it) Procedimento per la purificazione di polieteri e/o copolieteri almeno limitatamente solubili in acqua
IT1194519B (it) Procedimento per la preparazione di dioli vicinali solubili in acqua
BR8604045A (pt) Aperfeicoamento em nadadeiras
DK140684A (da) Phenethanolaminer og deres anvendelse
AT378763B (de) Wasseraufbereiter
GB2137467B (en) Improvements in or relating to horseshoes
MX155985A (es) Mejoras en arado sanjeador
ES527430A0 (es) Perfeccionamientos introducidos en unidades autopropulsadas para recogida de fruta
KR900012652A (ko) 동결 농축 시스템 및 방법
AR229916A1 (es) Mejoras en arados de rejas
HUT35304A (en) Method and device instulating construction agienst water
IT8165505A0 (it) Depuratore e decalcificatore per acqua
IT8783656A0 (it) Impianto e metodo per lo scarico selettivo delle acque.
MX163158B (es) Mejoras en moldeadora de bloques de concreto y similares
AR229948A1 (es) Mejoras en cortavidrios
GB8314188D0 (en) Micro-strainers for use in water purification