IT1092434B - Membrane di fibre cave di copolimeri di etilene e procedimento che le impiega - Google Patents

Membrane di fibre cave di copolimeri di etilene e procedimento che le impiega

Info

Publication number
IT1092434B
IT1092434B IT20063/78A IT2006378A IT1092434B IT 1092434 B IT1092434 B IT 1092434B IT 20063/78 A IT20063/78 A IT 20063/78A IT 2006378 A IT2006378 A IT 2006378A IT 1092434 B IT1092434 B IT 1092434B
Authority
IT
Italy
Prior art keywords
procedure
ethylene copolymer
fiber membranes
slot
slot fiber
Prior art date
Application number
IT20063/78A
Other languages
English (en)
Other versions
IT7820063A0 (it
Original Assignee
Monsanto 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 Monsanto Co filed Critical Monsanto Co
Publication of IT7820063A0 publication Critical patent/IT7820063A0/it
Application granted granted Critical
Publication of IT1092434B publication Critical patent/IT1092434B/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
    • 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
    • B01D69/081—Hollow fibre membranes characterised by the fibre diameter
    • 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
    • B01D71/26—Polyalkenes
    • B01D71/261—Polyethylene
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
    • C07C37/70—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
    • C07C37/70—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment
    • C07C37/82—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by solid-liquid treatment; by chemisorption
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C39/00—Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a six-membered aromatic ring
    • C07C39/02—Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a six-membered aromatic ring monocyclic with no unsaturation outside the aromatic ring
    • C07C39/04—Phenol
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/20—Specific permeability or cut-off range
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S260/00—Chemistry of carbon compounds
    • Y10S260/23—Fiber

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Artificial Filaments (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
IT20063/78A 1977-02-09 1978-02-07 Membrane di fibre cave di copolimeri di etilene e procedimento che le impiega IT1092434B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/767,096 US4082658A (en) 1977-02-09 1977-02-09 Hollow fiber membranes of ethylene copolymers and process for use

Publications (2)

Publication Number Publication Date
IT7820063A0 IT7820063A0 (it) 1978-02-07
IT1092434B true IT1092434B (it) 1985-07-12

Family

ID=25078465

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20063/78A IT1092434B (it) 1977-02-09 1978-02-07 Membrane di fibre cave di copolimeri di etilene e procedimento che le impiega

Country Status (11)

Country Link
US (1) US4082658A (it)
JP (1) JPS5398421A (it)
AU (1) AU510854B2 (it)
BE (1) BE863764A (it)
CA (1) CA1103866A (it)
DE (1) DE2805189A1 (it)
FR (1) FR2380053A1 (it)
GB (1) GB1558745A (it)
IL (1) IL53993A (it)
IT (1) IT1092434B (it)
NL (1) NL7801433A (it)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU508669B2 (en) * 1977-04-20 1980-03-27 Dow Chemical Company, The Microporous hollow polyethylene fibers
US4258097A (en) * 1979-04-26 1981-03-24 Brunswick Corporation Non-woven low modulus fiber fabrics
DE3026718A1 (de) * 1980-07-15 1982-02-04 Akzo Gmbh, 5600 Wuppertal Hohlfasermembran fuer die plasmaseparation
US4399288A (en) * 1981-01-21 1983-08-16 The Dow Chemical Company Separation of a 2-oxazoline from an aqueous solution
US4405688A (en) * 1982-02-18 1983-09-20 Celanese Corporation Microporous hollow fiber and process and apparatus for preparing such fiber
JPS59166158A (ja) * 1983-03-11 1984-09-19 東レ株式会社 透析膜
US4758348A (en) * 1985-02-01 1988-07-19 Sagami Chemical Research Center Copolymer, separating membrane made thereof and method for separating charge transfer interactive substance from a liquid mixture containing the same
US4695295A (en) * 1986-09-24 1987-09-22 The Dow Chemical Company Gas separation membranes from polymers containing a hydrocarbon backbone and pendant (hydrocarbylamido)alkyl ester moieties
CA1312550C (en) * 1986-10-14 1993-01-12 Karl W. Boddeker Pervaporation of phenols
US4806245A (en) * 1986-10-14 1989-02-21 Bend Research, Inc. Pervaporation of phenols
AU611244B2 (en) * 1987-12-25 1991-06-06 Terumo Kabushiki Kaisha Medical instrument
US4964976A (en) * 1989-04-04 1990-10-23 Lysaght Michael J Optimized filter and method
US6146535A (en) * 1994-06-24 2000-11-14 Sutherland; George Organic recovery method using hollow fiber microfilters
ES2194777T3 (es) * 1999-10-19 2003-12-01 Membrane Extraction Tech Ltd Procedimiento para la extraccion y recuperacion de compuestos fenolicos de fluidos acuosos.
WO2002072247A1 (en) * 2001-03-08 2002-09-19 Toray Industries, Inc. Hollow fiber membrane, hollow fiber membrane module, and water purifier
US6688477B2 (en) * 2001-05-03 2004-02-10 Air Products And Chemicals, Inc. Composite membranes

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL128859C (it) * 1960-09-19
US3617546A (en) * 1970-04-13 1971-11-02 Exxon Research Engineering Co Removal of organic compounds by liquid membrane
US3931000A (en) * 1972-11-01 1976-01-06 The Dow Chemical Company Coalescing dialysis
US3925332A (en) * 1974-06-18 1975-12-09 Asahi Dow Ltd Hydrophilic membrane and process for the preparation thereof
NL7509076A (nl) * 1974-08-05 1976-02-09 Monsanto Co Werkwijze voor het afscheiden van fenolen uit waterige mengsels.
US4020230A (en) * 1975-10-03 1977-04-26 The Dow Chemical Company Microporous polyethylene hollow fibers and process of preparing them

Also Published As

Publication number Publication date
IL53993A (en) 1981-09-13
IT7820063A0 (it) 1978-02-07
AU3312678A (en) 1979-08-16
BE863764A (fr) 1978-08-08
GB1558745A (en) 1980-01-09
IL53993A0 (en) 1978-04-30
CA1103866A (en) 1981-06-30
AU510854B2 (en) 1980-07-17
NL7801433A (nl) 1978-08-11
JPS5398421A (en) 1978-08-28
US4082658A (en) 1978-04-04
DE2805189A1 (de) 1978-08-10
FR2380053A1 (fr) 1978-09-08

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