IT982837B - Fibre cave di polimeri di acrilo nitrile per ultrafiltri e metodo per la loro produzione - Google Patents

Fibre cave di polimeri di acrilo nitrile per ultrafiltri e metodo per la loro produzione

Info

Publication number
IT982837B
IT982837B IT7323452A IT2345273A IT982837B IT 982837 B IT982837 B IT 982837B IT 7323452 A IT7323452 A IT 7323452A IT 2345273 A IT2345273 A IT 2345273A IT 982837 B IT982837 B IT 982837B
Authority
IT
Italy
Prior art keywords
ultrafilters
production
acrylic polymers
hollow fibers
nitrile acrylic
Prior art date
Application number
IT7323452A
Other languages
English (en)
Italian (it)
Original Assignee
Asahi Chemical Ind
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 JP4275072A external-priority patent/JPS496552A/ja
Priority claimed from JP157873A external-priority patent/JPS5215072B2/ja
Application filed by Asahi Chemical Ind filed Critical Asahi Chemical Ind
Application granted granted Critical
Publication of IT982837B publication Critical patent/IT982837B/it

Links

Classifications

    • 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
    • B01D71/40—Polymers of unsaturated acids or derivatives thereof, e.g. salts, amides, imides, nitriles, anhydrides, esters
    • B01D71/42—Polymers of nitriles, e.g. polyacrylonitrile
    • B01D71/421—Polyacrylonitrile
    • 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
    • B01D61/18—Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
    • B01D63/02—Hollow fibre modules
    • B01D63/021—Manufacturing thereof
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/24—Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/24—Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
    • D01D5/247—Discontinuous hollow structure or microporous structure
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2973—Particular cross section
    • Y10T428/2975—Tubular or cellular
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2973—Particular cross section
    • Y10T428/2978—Surface characteristic
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/298—Physical dimension

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Manufacturing & Machinery (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Artificial Filaments (AREA)
IT7323452A 1972-04-28 1973-04-26 Fibre cave di polimeri di acrilo nitrile per ultrafiltri e metodo per la loro produzione IT982837B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP4275072A JPS496552A (OSRAM) 1972-04-28 1972-04-28
JP157873A JPS5215072B2 (OSRAM) 1972-12-29 1972-12-29

Publications (1)

Publication Number Publication Date
IT982837B true IT982837B (it) 1974-10-21

Family

ID=26334826

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7323452A IT982837B (it) 1972-04-28 1973-04-26 Fibre cave di polimeri di acrilo nitrile per ultrafiltri e metodo per la loro produzione

Country Status (6)

Country Link
US (1) US3871950A (OSRAM)
CA (1) CA1042166A (OSRAM)
DE (1) DE2321460C3 (OSRAM)
FR (1) FR2182202B1 (OSRAM)
GB (1) GB1434055A (OSRAM)
IT (1) IT982837B (OSRAM)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4183884A (en) * 1973-01-24 1980-01-15 Ceskoslovenska Akademie Ved Method for manufacturing hydrogel tubes
US3975478A (en) * 1974-08-14 1976-08-17 Monsanto Company Method for producing highly permeable acrylic hollow fibers
US4209307A (en) * 1974-08-14 1980-06-24 Monsanto Company Method for filtering through highly permeable acrylic hollow fibers
JPS5215627A (en) * 1975-07-09 1977-02-05 Mitsubishi Rayon Co Ltd Porous polypropylene hollow fibers and a process for manufacturing the m
JPS5226380A (en) * 1975-08-25 1977-02-26 Sumitomo Chem Co Ltd Method of making semipermeable membranes
US4061821A (en) * 1975-12-29 1977-12-06 Asahi Kasei Kogyo Kabushiki Kaisha Semipermeable composite membranes
JPS5812932B2 (ja) * 1977-06-30 1983-03-10 日本ゼオン株式会社 中空繊維の製造方法
US4175153A (en) * 1978-05-16 1979-11-20 Monsanto Company Inorganic anisotropic hollow fibers
DE2935097A1 (de) * 1978-09-07 1980-03-20 Kuraray Co Aethylen/vinylalkohol-copolymermembran
US4364759A (en) 1979-03-28 1982-12-21 Monsanto Company Methods for preparing anisotropic hollow fiber membranes comprising polymer of acrylonitrile and styrene and hollow fiber membranes produced therefrom
EP0183757B1 (fr) * 1984-06-13 1991-10-30 Lyonnaise Des Eaux - Dumez Procede de fabrication de fibres creuses et leurs applications notamment dans le domaine des separations par membranes
FR2565842B1 (fr) * 1984-06-13 1990-03-23 Inst Nat Rech Chimique Perfectionnement apporte aux operations d'ultrafiltration et de microfiltration
US4670341A (en) * 1985-05-17 1987-06-02 W. R. Grace & Co. Hollow fiber
US4900626A (en) * 1987-07-28 1990-02-13 Rhone-Poulenc Recherches Hollow composite fibers selectively permeable to water vapor
US5049276A (en) * 1988-10-13 1991-09-17 Fuji Photo Film Co., Ltd. Hollow fiber membrane
US5338605A (en) * 1990-01-31 1994-08-16 Ketema, Inc. Hollow carbon fibers
EP0586559B1 (en) * 1991-05-21 1996-02-21 Brown University Research Foundation Apparatus for forming hollow fibers and said fibers
DE59208178D1 (de) * 1991-12-14 1997-04-17 Akzo Nobel Nv Polyacrylnitrilmembran
US5472607A (en) * 1993-12-20 1995-12-05 Zenon Environmental Inc. Hollow fiber semipermeable membrane of tubular braid
US5714072A (en) * 1995-11-06 1998-02-03 Hoechst Celanese Corporation Method for solvent extraction using a dual-skinned asymmetric microporous membrane
US6354444B1 (en) * 1997-07-01 2002-03-12 Zenon Environmental Inc. Hollow fiber membrane and braided tubular support therefor
CN1213769C (zh) 1999-07-21 2005-08-10 宝洁公司 微生物过滤器和清除水中微生物的方法
US20040050791A1 (en) * 2001-01-23 2004-03-18 Attila Herczeg Asymmetric hollow fiber membranes
DE10134447B4 (de) * 2001-07-16 2006-04-20 Gkss-Forschungszentrum Geesthacht Gmbh Trägermembran für Biohybridorgane, Verfahren zur Herstellung und Verwendung
DE60236290D1 (de) * 2001-07-24 2010-06-17 Asahi Kasei Kuraray Medical Co Hohlfasermembran zur reinigung von blut
CN1268921C (zh) * 2001-07-31 2006-08-09 三菱丽阳株式会社 其内壁引入了梳形聚合物的中空纤维、填充有凝胶的中空纤维以及纤维束的薄切片
KR100777951B1 (ko) * 2001-08-23 2007-11-28 더 프록터 앤드 갬블 캄파니 정수 필터 재료, 대응하는 정수 필터 및 그의 사용 방법
US7614508B2 (en) * 2001-08-23 2009-11-10 Pur Water Purification Products Inc. Water filter materials, water filters and kits containing silver coated particles and processes for using the same
US7614507B2 (en) 2001-08-23 2009-11-10 Pur Water Purification Products Inc. Water filter materials, water filters and kits containing particles coated with cationic polymer and processes for using the same
US7615152B2 (en) 2001-08-23 2009-11-10 Pur Water Purification Products, Inc. Water filter device
US20050279696A1 (en) * 2001-08-23 2005-12-22 Bahm Jeannine R Water filter materials and water filters containing a mixture of microporous and mesoporous carbon particles
WO2004024216A1 (ja) * 2002-09-12 2004-03-25 Asahi Medical Co., Ltd. 血漿浄化膜及び血漿浄化システム
EP1830902A2 (en) * 2004-12-30 2007-09-12 Cinvention Ag Combination comprising an agent providing a signal, an implant material and a drug
WO2006074809A2 (en) 2005-01-13 2006-07-20 Cinvention Ag Composite materials containing carbon nanoparticles
EP1841520A1 (en) * 2005-01-24 2007-10-10 Cinvention Ag Metal containing composite materials
EA012083B1 (ru) * 2005-02-03 2009-08-28 Синвеншен Аг Материал для доставки лекарств, способ его получения и имплантат, содержащий этот материал
WO2006097503A2 (en) * 2005-03-18 2006-09-21 Cinvention Ag Process for the preparation of porous sintered metal materials
MX2008000131A (es) * 2005-07-01 2008-04-04 Cinv Ag Dispositivos medicos que comprenden un material compuesto reticulado.
WO2007003513A1 (en) * 2005-07-01 2007-01-11 Cinvention Ag Process for the production of porous reticulated composite materials
GB201104337D0 (en) 2011-03-15 2011-04-27 Glaxo Group Ltd Novel device
DE102016212056A1 (de) * 2016-07-01 2018-01-04 Mahle International Gmbh Filtermedium und Verfahren zur Herstellung eines solchen Filtermediums
US11930867B2 (en) 2020-07-30 2024-03-19 Fxi Inc. Limited Coated substrates and articles with anti-viral properties, and fabrication processes

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE520876A (OSRAM) * 1952-06-28 1900-01-01
US3088188A (en) * 1960-01-04 1963-05-07 Monsanto Chemicals Manufacture of shaped objects of acrylonitrile polymer by wet spinning
US3147322A (en) * 1963-01-23 1964-09-01 Asahi Chemical Ind Method for preparing acrylonitrile synthetic fiber
US3636187A (en) * 1967-11-09 1972-01-18 Asahi Chemical Ind Process for the manufacture of acrylonitrile synthetic fibers
FR1586563A (OSRAM) * 1968-10-29 1970-02-20
US3698994A (en) * 1971-01-27 1972-10-17 American Cyanamid Co Acrylic synthetic fibers having improved properties and process for producing the same

Also Published As

Publication number Publication date
DE2321460B2 (de) 1974-10-10
FR2182202A1 (OSRAM) 1973-12-07
DE2321460A1 (de) 1973-12-06
US3871950A (en) 1975-03-18
CA1042166A (en) 1978-11-14
DE2321460C3 (de) 1975-05-28
FR2182202B1 (OSRAM) 1977-02-11
GB1434055A (en) 1976-04-28

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