IT1062271B - Procedimento per la produzione di filamenti cavi di polipropilene poroso e prodotto ottenuto - Google Patents

Procedimento per la produzione di filamenti cavi di polipropilene poroso e prodotto ottenuto

Info

Publication number
IT1062271B
IT1062271B IT50333/76A IT5033376A IT1062271B IT 1062271 B IT1062271 B IT 1062271B IT 50333/76 A IT50333/76 A IT 50333/76A IT 5033376 A IT5033376 A IT 5033376A IT 1062271 B IT1062271 B IT 1062271B
Authority
IT
Italy
Prior art keywords
filaments
procedure
production
product obtained
porous polypropylene
Prior art date
Application number
IT50333/76A
Other languages
English (en)
Original Assignee
Mitsubishi Rayon Co
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 Mitsubishi Rayon Co filed Critical Mitsubishi Rayon Co
Application granted granted Critical
Publication of IT1062271B publication Critical patent/IT1062271B/it

Links

Classifications

    • 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
    • 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
    • B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
    • B01D67/0025—Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching
    • B01D67/0027—Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching by stretching
    • 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
    • B01D69/08—Hollow fibre membranes
    • 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)
  • Manufacturing & Machinery (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Artificial Filaments (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
IT50333/76A 1975-07-09 1976-07-08 Procedimento per la produzione di filamenti cavi di polipropilene poroso e prodotto ottenuto IT1062271B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50084718A JPS5215627A (en) 1975-07-09 1975-07-09 Porous polypropylene hollow fibers and a process for manufacturing the m

Publications (1)

Publication Number Publication Date
IT1062271B true IT1062271B (it) 1984-02-29

Family

ID=13838449

Family Applications (1)

Application Number Title Priority Date Filing Date
IT50333/76A IT1062271B (it) 1975-07-09 1976-07-08 Procedimento per la produzione di filamenti cavi di polipropilene poroso e prodotto ottenuto

Country Status (4)

Country Link
US (1) US4055696A (it)
JP (1) JPS5215627A (it)
DE (1) DE2630374C3 (it)
IT (1) IT1062271B (it)

Families Citing this family (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4176150A (en) * 1977-03-18 1979-11-27 Monsanto Company Process for textured yarn
AU508669B2 (en) * 1977-04-20 1980-03-27 Dow Chemical Company, The Microporous hollow polyethylene fibers
US4239729A (en) * 1978-06-06 1980-12-16 Terumo Corporation Oxygenator
NL7904388A (nl) * 1978-06-15 1979-12-18 Mitsubishi Rayon Co Werkwijze en inrichting voor overdracht van gassen.
JPS551816A (en) * 1978-06-15 1980-01-09 Mitsubishi Rayon Co Ltd Vapor-liquid contactor
DE2841091A1 (de) * 1978-09-21 1980-04-03 Akzo Gmbh Duennwandiger schlauch aus einem schmelzspinnbaren synthetischen polymeren sowie verfahren zu seiner herstellung
ZA80465B (en) * 1979-02-13 1981-08-26 Celanese Corp Process for preparing hollow microporous polypropylene fibers
US4302509A (en) * 1979-02-22 1981-11-24 Albany International Corp. Sorbent-cored textile yarns
US4315877A (en) * 1979-02-22 1982-02-16 Albany International Corp. Methods of fabricating sorbent-cored textile yarns
US4346142A (en) * 1979-09-04 1982-08-24 Celanese Corporation Hydrophilic monomer treated microporous films and process
US4376746A (en) * 1980-04-01 1983-03-15 Ametek, Inc. Formation of hollow tapered brush bristles
US4530809A (en) * 1980-10-14 1985-07-23 Mitsubishi Rayon Co., Ltd. Process for making microporous polyethylene hollow fibers
JPS5766114A (en) * 1980-10-14 1982-04-22 Mitsubishi Rayon Co Ltd Porous polyethylene hollow fiber and its production
JPS5796302A (en) * 1980-12-09 1982-06-15 Mitsubishi Rayon Co Ltd Optical fiber
JPS5796303A (en) * 1980-12-09 1982-06-15 Mitsubishi Rayon Co Ltd Optical transmission fiber
JPS57104906A (en) * 1980-12-22 1982-06-30 Mitsubishi Rayon Co Ltd Production of optical transmission fiber
JPS57124307A (en) * 1981-01-26 1982-08-03 Mitsubishi Rayon Co Ltd Manufacture of optical fiber
JPS5831306A (ja) * 1981-08-20 1983-02-24 Mitsubishi Rayon Co Ltd プラスチツク光学繊維の製造法
JPS58118603A (ja) * 1982-01-07 1983-07-14 Mitsubishi Rayon Co Ltd 光学繊維の製造法
US4541981A (en) * 1982-02-18 1985-09-17 Celanese Corporation Method for preparing a uniform polyolefinic microporous hollow fiber
US4405688A (en) * 1982-02-18 1983-09-20 Celanese Corporation Microporous hollow fiber and process and apparatus for preparing such fiber
JPS59196706A (ja) * 1983-04-22 1984-11-08 Dainippon Ink & Chem Inc 不均質膜およびその製造方法
CS237872B1 (en) * 1983-06-09 1985-11-13 Rudolf Simo Cigarette filtration stick filling and method of this filling making
EP0147849B1 (en) * 1983-12-28 1989-03-22 Ube Industries, Ltd. Process of producing porous thermoplastic resin article
JPS61146308A (ja) * 1984-12-21 1986-07-04 Ube Ind Ltd 多孔質ポリプロピレン中空糸又はフイルムの製造法
JPS60185815A (ja) * 1985-01-07 1985-09-21 Mitsubishi Rayon Co Ltd 保水性に優れた微孔性中空糸
US4670341A (en) * 1985-05-17 1987-06-02 W. R. Grace & Co. Hollow fiber
US4744932A (en) * 1985-05-31 1988-05-17 Celanese Corporation Process for forming a skinless hollow fiber of a cellulose ester
US5110326A (en) * 1985-07-31 1992-05-05 Celanese Corporation Immobilized liquid membrane
ZA865173B (en) * 1985-07-31 1987-03-25 Celanese Corp Immobilized liquid membrane
CA1315929C (en) * 1987-06-26 1993-04-13 Masahiko Yamaguchi Porous hollow-fiber
US4976897A (en) * 1987-12-16 1990-12-11 Hoechst Celanese Corporation Composite porous membranes and methods of making the same
US5102552A (en) * 1987-12-16 1992-04-07 Hoechst Celanese Corporation Membranes from UV-curable resins
US4976867A (en) * 1989-04-05 1990-12-11 Hoechst Celanese Corporation Systems and methods for predetermining maximum pressure differentials for microporous hollow fibers employed in liquid-liquid extractions
CA2071083A1 (en) * 1991-06-14 1992-12-15 Matthew E. Hain Dynamic treatment of suture strand
US5287634A (en) * 1992-02-07 1994-02-22 United States Surgical Corporation Removal of vaporizable components from polymeric products
US5507949A (en) * 1992-03-20 1996-04-16 Monsanto Company Supported liquid membrane and separation process employing same
ES2121981T3 (es) * 1992-03-20 1998-12-16 Monsanto Co Extraccion de compuestos organicos de soluciones acuosas.
DE69305120T2 (de) * 1992-07-22 1997-03-06 Mitsubishi Rayon Co Hydrophobe, poröse Membranen, Verfahren zu ihrer Herstellung und deren Verwendung
US6027779A (en) * 1993-08-18 2000-02-22 W. L. Gore & Associates, Inc. Thin-wall polytetrafluoroethylene tube
US6025044A (en) * 1993-08-18 2000-02-15 W. L. Gore & Associates, Inc. Thin-wall polytetrafluoroethylene tube
US6159565A (en) * 1993-08-18 2000-12-12 W. L. Gore & Associates, Inc. Thin-wall intraluminal graft
US5604012A (en) * 1994-01-13 1997-02-18 Teijin Limited Hollow fiber fabric and process for producing the same
US5693694A (en) * 1996-03-20 1997-12-02 W.R. Grace & Co.-Conn. Low and medium flux membranes
US5762840A (en) * 1996-04-18 1998-06-09 Kimberly-Clark Worldwide, Inc. Process for making microporous fibers with improved properties
US5766760A (en) * 1996-09-04 1998-06-16 Kimberly-Clark Worldwide, Inc. Microporous fibers with improved properties
KR100444127B1 (ko) * 1997-08-27 2004-10-14 주식회사 새 한 폴리올레핀계 중공사 분리막의 제조방법
WO1999033949A1 (en) 1997-12-29 1999-07-08 Monsanto Company A membrane process for making enhanced flavor fluids
US6579343B2 (en) 2001-03-30 2003-06-17 University Of Notre Dame Du Lac Purification of gas with liquid ionic compounds
CZ2002184A3 (cs) * 2002-01-16 2003-09-17 Eidos, S. R. O. Mikroporézní membránová dutá vlákna s podélně proměnnými mechanickými a filtračními vlastnostmi a způsob jejich přípravy
ES2308159T3 (es) * 2003-03-05 2008-12-01 Hydranautics Dispositivo de filtracion modular de membrana sumergible que tiene elementos de membrana sustituibles.
US7122709B2 (en) * 2003-03-13 2006-10-17 3M Innovative Properties Company Method for obtaining ethanol
US7105089B2 (en) * 2003-03-13 2006-09-12 3M Innovative Properties Company Liquid—liquid extraction system and method
US9951008B2 (en) 2009-11-03 2018-04-24 University Of Notre Dame Du Lac Ionic liquids comprising heteraromatic anions
CN104024196B (zh) 2011-12-14 2015-11-25 3M创新有限公司 由非纤维素生物质产生丁醇的方法
CN111282347A (zh) * 2020-03-31 2020-06-16 佛山市润境环保科技有限公司 一种蒸发机组滤芯及其生产方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3342729A (en) * 1964-12-09 1967-09-19 Dow Chemical Co Permeability separatory cell and apparatus and method of using the same
GB1142821A (en) * 1965-05-18 1969-02-12 Leo Costello Improvements in or relating to hollow polypropylene filaments and fibres
FR1517632A (fr) * 1966-04-06 1968-03-15 Toyo Boseki Fibres frisées creuses à trois dimensions en polyester et leur procédé de fabrication
IL28508A (en) * 1966-09-06 1971-10-20 Celanese Corp Microporous films and process of producing them
US3558764A (en) * 1966-09-06 1971-01-26 Celanese Corp Process for preparing microporous film
DE1760467A1 (de) * 1968-05-22 1972-06-08 Barmag Barmer Maschf Technischer Draht aus thermoplastischem Kunststoff
FR2116322A1 (it) * 1970-12-07 1972-07-13 Progil
GB1434055A (en) * 1972-04-28 1976-04-28 Asahi Chemical Ind Hollow fibres of acrylonitrile polymers for use as an ultrafitter and method for producing the same
US3886066A (en) * 1972-11-06 1975-05-27 Du Pont Tannin treatment for non-porous semipermeable membranes
ZA80465B (en) * 1979-02-13 1981-08-26 Celanese Corp Process for preparing hollow microporous polypropylene fibers

Also Published As

Publication number Publication date
DE2630374A1 (de) 1977-01-13
DE2630374C3 (de) 1985-04-04
JPS5215627A (en) 1977-02-05
DE2630374B2 (de) 1978-05-11
US4055696A (en) 1977-10-25
JPS5652123B2 (it) 1981-12-10

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Legal Events

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950729