ITTO940998A0 - Membrana di fluoruro di polivinilidene - Google Patents

Membrana di fluoruro di polivinilidene

Info

Publication number
ITTO940998A0
ITTO940998A0 ITTO940998A ITTO940998A ITTO940998A0 IT TO940998 A0 ITTO940998 A0 IT TO940998A0 IT TO940998 A ITTO940998 A IT TO940998A IT TO940998 A ITTO940998 A IT TO940998A IT TO940998 A0 ITTO940998 A0 IT TO940998A0
Authority
IT
Italy
Prior art keywords
polyvinylidene fluoride
fluoride membrane
membrane
polyvinylidene
fluoride
Prior art date
Application number
ITTO940998A
Other languages
English (en)
Inventor
Peter J Degen
Joannis P Sipsas
Gregory C Rapisarda
Joseph Gregg
Original Assignee
Pall Corp
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
Priority claimed from US08/327,622 external-priority patent/US5736051A/en
Application filed by Pall Corp filed Critical Pall Corp
Publication of ITTO940998A0 publication Critical patent/ITTO940998A0/it
Publication of ITTO940998A1 publication Critical patent/ITTO940998A1/it
Application granted granted Critical
Publication of IT1267191B1 publication Critical patent/IT1267191B1/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0081—After-treatment of organic or inorganic membranes
    • B01D67/0095—Drying
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002—Organic membrane manufacture
    • B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
    • B01D67/0011—Casting solutions therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0081—After-treatment of organic or inorganic membranes
    • B01D67/0093—Chemical modification
    • B01D67/00931—Chemical modification by introduction of specific groups after membrane formation, e.g. by grafting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/30—Polyalkenyl halides
    • B01D71/32—Polyalkenyl halides containing fluorine atoms
    • B01D71/34—Polyvinylidene fluoride
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/12—Specific ratios of components used
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/30—Cross-linking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/38—Graft polymerization
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/18—Membrane materials having mixed charged functional groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Transplantation (AREA)
  • Dispersion Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Graft Or Block Polymers (AREA)
  • External Artificial Organs (AREA)
  • Coating Of Shaped Articles Made Of Macromolecular Substances (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
IT94TO000998A 1993-12-22 1994-12-07 Membrana di fluoruro di polivinilidene IT1267191B1 (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US17375593A 1993-12-22 1993-12-22
US08/327,622 US5736051A (en) 1993-12-22 1994-10-24 Polyvinylidene fluoride membrane and method for removing viruses from solutions

Publications (3)

Publication Number Publication Date
ITTO940998A0 true ITTO940998A0 (it) 1994-12-07
ITTO940998A1 ITTO940998A1 (it) 1996-06-07
IT1267191B1 IT1267191B1 (it) 1997-01-28

Family

ID=26869498

Family Applications (1)

Application Number Title Priority Date Filing Date
IT94TO000998A IT1267191B1 (it) 1993-12-22 1994-12-07 Membrana di fluoruro di polivinilidene

Country Status (11)

Country Link
JP (2) JP3178772B2 (it)
CA (1) CA2138681C (it)
CH (1) CH688612A5 (it)
DE (1) DE4445973B4 (it)
DK (1) DK144294A (it)
ES (1) ES2109146B1 (it)
FR (1) FR2713951B1 (it)
GB (1) GB2285010B (it)
IT (1) IT1267191B1 (it)
NL (1) NL9402134A (it)
SE (1) SE510792C2 (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1063256A4 (en) * 1998-03-16 2003-03-26 Asahi Chemical Ind MICROPOROUS FILM
TW581709B (en) 1999-10-22 2004-04-01 Asahi Kasei Corp Heat-resistant microporous film
WO2003026779A1 (en) 2001-08-01 2003-04-03 Asahi Kasei Kabushiki Kaisha Multilayer microporous film
AU2003301399B2 (en) 2002-10-18 2006-07-06 Asahi Kasei Medical Co., Ltd. Microporous hydrophilic membrane
EP1968792B1 (en) * 2005-12-30 2013-12-11 3M Innovative Properties Company Functionalized substrates
ITMI20060601A1 (it) 2006-03-30 2007-09-30 Gvs Spa Procedimento per la preparazione di membrane microporose in polivinilidenfluoruro pvdf
JP5026888B2 (ja) * 2007-08-14 2012-09-19 日東電工株式会社 表面に親水性ポリマーを有するフッ素樹脂成形体およびその製造方法
CN102159305B (zh) 2008-09-19 2015-08-19 东丽株式会社 分离膜及其制造方法
FR3089226B1 (fr) * 2018-11-30 2021-08-06 Arkema France Procédé de préparation de films de polymère fluoré poreux
CN114028956B (zh) * 2021-11-18 2023-05-26 浙江机电职业技术学院 反渗透膜及其制备方法和应用
CN119425396B (zh) * 2023-07-28 2025-10-24 中国科学院大连化学物理研究所 一种正电性的异质膜及制备与应用

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA792326B (en) 1978-05-15 1980-06-25 Pall Corp Process for preparing polyamide membrane filter media and product
FR2600265B1 (fr) * 1986-06-20 1991-09-06 Rhone Poulenc Rech Membranes semi-permeables sechables et hydrophiles a base de polyfluorure de vinylidene
US5019260A (en) * 1986-12-23 1991-05-28 Pall Corporation Filtration media with low protein adsorbability
JP2898665B2 (ja) * 1989-09-28 1999-06-02 テルモ株式会社 血漿分離膜およびそれを用いた血漿分離器
US5079272A (en) * 1989-11-30 1992-01-07 Millipore Corporation Porous membrane formed from interpenetrating polymer network having hydrophilic surface
US5198505A (en) * 1991-04-11 1993-03-30 Pall Corporation Uniform polyvinylidene difluoride membranes
DE69322776T2 (de) * 1992-05-06 1999-08-05 Costar Corp., Cambridge, Mass. Verfahren zur herstellung einer mikroporösen polyvinylidenfluorid-membran

Also Published As

Publication number Publication date
DE4445973B4 (de) 2006-06-29
ITTO940998A1 (it) 1996-06-07
ES2109146B1 (es) 1998-08-16
DK144294A (da) 1995-06-23
SE510792C2 (sv) 1999-06-21
GB2285010A (en) 1995-06-28
GB2285010B (en) 1997-11-19
FR2713951A1 (fr) 1995-06-23
IT1267191B1 (it) 1997-01-28
CA2138681A1 (en) 1995-06-23
NL9402134A (nl) 1995-07-17
ES2109146A1 (es) 1998-01-01
JP2001187325A (ja) 2001-07-10
CA2138681C (en) 2001-08-14
FR2713951B1 (fr) 1996-12-06
JPH07265674A (ja) 1995-10-17
SE9404249L (sv) 1995-06-23
GB9424308D0 (en) 1995-01-18
DE4445973A1 (de) 1995-06-29
SE9404249D0 (sv) 1994-12-07
JP3443735B2 (ja) 2003-09-08
JP3178772B2 (ja) 2001-06-25
CH688612A5 (fr) 1997-12-15

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Legal Events

Date Code Title Description
0001 Granted