ITMI981505A1 - Purificazione di polimeri fluorurati - Google Patents

Purificazione di polimeri fluorurati Download PDF

Info

Publication number
ITMI981505A1
ITMI981505A1 IT98MI001505A ITMI981505A ITMI981505A1 IT MI981505 A1 ITMI981505 A1 IT MI981505A1 IT 98MI001505 A IT98MI001505 A IT 98MI001505A IT MI981505 A ITMI981505 A IT MI981505A IT MI981505 A1 ITMI981505 A1 IT MI981505A1
Authority
IT
Italy
Prior art keywords
purification process
process according
membranes
purified
polymer
Prior art date
Application number
IT98MI001505A
Other languages
English (en)
Italian (it)
Inventor
Vincenzo Arcella
Giulio Brinati
Patrizia Maccone
Original Assignee
Ausimont Spa
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 Ausimont Spa filed Critical Ausimont Spa
Priority to IT98MI001505A priority Critical patent/ITMI981505A1/it
Priority to EP99112082A priority patent/EP0969022B1/en
Priority to DE69914538T priority patent/DE69914538T2/de
Priority to JP18189499A priority patent/JP4324285B2/ja
Priority to US09/340,136 priority patent/US6072020A/en
Publication of ITMI981505A1 publication Critical patent/ITMI981505A1/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F6/00—Post-polymerisation treatments
    • C08F6/06—Treatment of polymer solutions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/149—Multistep processes comprising different kinds of membrane processes selected from ultrafiltration or microfiltration

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
IT98MI001505A 1998-06-30 1998-06-30 Purificazione di polimeri fluorurati ITMI981505A1 (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT98MI001505A ITMI981505A1 (it) 1998-06-30 1998-06-30 Purificazione di polimeri fluorurati
EP99112082A EP0969022B1 (en) 1998-06-30 1999-06-23 Fluorinated polymer purification
DE69914538T DE69914538T2 (de) 1998-06-30 1999-06-23 Reinigung von Fluorpolymeren
JP18189499A JP4324285B2 (ja) 1998-06-30 1999-06-28 フッ素化ポリマーの精製
US09/340,136 US6072020A (en) 1998-06-30 1999-06-28 Fluorinated polymer purification

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT98MI001505A ITMI981505A1 (it) 1998-06-30 1998-06-30 Purificazione di polimeri fluorurati

Publications (1)

Publication Number Publication Date
ITMI981505A1 true ITMI981505A1 (it) 1999-12-30

Family

ID=11380358

Family Applications (1)

Application Number Title Priority Date Filing Date
IT98MI001505A ITMI981505A1 (it) 1998-06-30 1998-06-30 Purificazione di polimeri fluorurati

Country Status (5)

Country Link
US (1) US6072020A (https=)
EP (1) EP0969022B1 (https=)
JP (1) JP4324285B2 (https=)
DE (1) DE69914538T2 (https=)
IT (1) ITMI981505A1 (https=)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI991514A1 (it) * 1999-07-09 2001-01-09 Ausimont Spa Co polimeri peralogenati termoprocessabili del clorotrifluoroetilene
JP5055652B2 (ja) * 2000-08-11 2012-10-24 ダイキン工業株式会社 含フッ素界面活性剤の回収方法
CA2502358C (en) * 2002-10-18 2012-03-13 John F. Valliant Methods for purifying radiolabelled compounds
US20060088680A1 (en) 2002-12-25 2006-04-27 Takahiro Kitahara Fluoropolymer and composition thereof
US7985441B1 (en) * 2006-05-04 2011-07-26 Yiwen Tang Purification of polymers for coating applications
US20140048490A1 (en) * 2012-08-17 2014-02-20 E I Du Pont De Nemours And Company Treating wastewater by ultrafiltration in fluoropolymer resin manufacture
WO2020218618A1 (ja) * 2019-04-26 2020-10-29 ダイキン工業株式会社 フルオロポリマー水性分散液の製造方法

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2242218A (en) * 1936-08-14 1941-05-20 Auer Laszlo Sizing textiles
US3418302A (en) * 1963-08-30 1968-12-24 Du Pont Perfluorocyclic ether polymers
US3715378A (en) * 1967-02-09 1973-02-06 Montedison Spa Fluorinated peroxy polyether copolymers and method for preparing them from tetrafluoroethylene
US3665041A (en) * 1967-04-04 1972-05-23 Montedison Spa Perfluorinated polyethers and process for their preparation
JPS5838707A (ja) * 1981-08-20 1983-03-07 イ−・アイ・デユポン・デ・ニモアス・アンド・カンパニ− パ−フルオロ−２，２−ジメチル−１，３−ジオキソ−ルの無定形共重合体
DE3486428T2 (de) * 1983-12-26 1996-10-10 Daikin Ind Ltd Halogen enthaltendes Polyether
EP0235998A3 (en) * 1986-02-25 1988-06-08 The Dow Chemical Company Supported fluorocarbonsulfonic acid polymers and methods for their preparation
IT1188635B (it) * 1986-03-27 1988-01-20 Ausimont Spa Lubrificanti per fluoropolieterei interni per mezzi magnetici di registrazione
US4897457A (en) * 1987-08-14 1990-01-30 Asahi Glass Company Ltd. Novel fluorine-containing cyclic polymer
US4954271A (en) * 1988-10-06 1990-09-04 Tag Investments, Inc. Non-toxic fire extinguishant
DE4140086C2 (de) * 1991-12-05 1994-08-25 Basf Ag Verfahren zur Herstellung hochreiner N-Vinylpyrrolidon-Polymerisate
US5300628A (en) * 1992-06-29 1994-04-05 Ocg Microelectronic Materials, Inc. Selected chelate resins and their use to remove multivalent metal impurities from resist components
US5260492A (en) * 1992-12-21 1993-11-09 E. I. Du Pont De Nemours And Company Fluorinated monomers and polymers
IT1264662B1 (it) * 1993-07-05 1996-10-04 Ausimont Spa Perflurodiossoli loro omopolimeri e copolimeri e loro impiego per il rivestimento di cavi elettrici
US5310838A (en) * 1993-09-07 1994-05-10 E. I. Du Pont De Nemours And Company Functional fluoropolymers
NZ283089A (en) * 1994-03-28 1997-07-27 Great Lakes Chemical Corp Ozone-friendly fire extinguishing compositions containing hydrofluorocarbons and acid-scavenging additives and methods
IT1269517B (it) * 1994-05-19 1997-04-01 Ausimont Spa Polimeri e copolimeri fluorurati contenenti strutture cicliche
IT1282378B1 (it) * 1996-04-24 1998-03-20 Ausimont Spa Perfluoroelastomeri a base di diossoli
US5977294A (en) * 1997-05-13 1999-11-02 Prs, Llc Polymer deformulation by solvent solution filtration

Also Published As

Publication number Publication date
JP4324285B2 (ja) 2009-09-02
DE69914538D1 (de) 2004-03-11
US6072020A (en) 2000-06-06
JP2000034317A (ja) 2000-02-02
DE69914538T2 (de) 2004-12-23
EP0969022A1 (en) 2000-01-05
EP0969022B1 (en) 2004-02-04

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