IT1132617B - MICROPOROUS FILM HAVING IMPROVED WATER PERMEABILITY AND / OR DECREASED ELECTRIC RESISTANCE - Google Patents

MICROPOROUS FILM HAVING IMPROVED WATER PERMEABILITY AND / OR DECREASED ELECTRIC RESISTANCE

Info

Publication number
IT1132617B
IT1132617B IT24411/80A IT2441180A IT1132617B IT 1132617 B IT1132617 B IT 1132617B IT 24411/80 A IT24411/80 A IT 24411/80A IT 2441180 A IT2441180 A IT 2441180A IT 1132617 B IT1132617 B IT 1132617B
Authority
IT
Italy
Prior art keywords
electric resistance
water permeability
microporous film
improved water
decreased electric
Prior art date
Application number
IT24411/80A
Other languages
Italian (it)
Other versions
IT8024411A0 (en
Inventor
Nelson R Lazear
Original Assignee
Celanese 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
Application filed by Celanese Corp filed Critical Celanese Corp
Publication of IT8024411A0 publication Critical patent/IT8024411A0/en
Application granted granted Critical
Publication of IT1132617B publication Critical patent/IT1132617B/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D7/00—Producing flat articles, e.g. films or sheets
    • B29D7/01—Films or sheets
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/12—Chemical modification
    • C08J7/16—Chemical modification with polymerisable compounds
    • C08J7/18—Chemical modification with polymerisable compounds using wave energy or particle radiation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/36—After-treatment
    • C08J9/40—Impregnation
    • C08J9/405—Impregnation with polymerisable compounds
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/411—Organic material
    • H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
    • H01M50/417—Polyolefins
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/489—Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
    • H01M50/491—Porosity
    • 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
    • B01D2323/385—Graft polymerization involving radiation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Electrochemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Transplantation (AREA)
  • Manufacturing & Machinery (AREA)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Toxicology (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Laminated Bodies (AREA)
  • Cell Separators (AREA)
IT24411/80A 1979-09-04 1980-09-02 MICROPOROUS FILM HAVING IMPROVED WATER PERMEABILITY AND / OR DECREASED ELECTRIC RESISTANCE IT1132617B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US7164479A 1979-09-04 1979-09-04

Publications (2)

Publication Number Publication Date
IT8024411A0 IT8024411A0 (en) 1980-09-02
IT1132617B true IT1132617B (en) 1986-07-02

Family

ID=22102655

Family Applications (1)

Application Number Title Priority Date Filing Date
IT24411/80A IT1132617B (en) 1979-09-04 1980-09-02 MICROPOROUS FILM HAVING IMPROVED WATER PERMEABILITY AND / OR DECREASED ELECTRIC RESISTANCE

Country Status (16)

Country Link
JP (1) JPS5638333A (en)
KR (1) KR830001538B1 (en)
AU (1) AU6193880A (en)
BE (1) BE885063A (en)
BR (1) BR8005590A (en)
CA (1) CA1152942A (en)
CH (1) CH648576A5 (en)
DD (1) DD153884A5 (en)
DE (1) DE3032380A1 (en)
FR (1) FR2464277A1 (en)
GB (1) GB2058802B (en)
IL (1) IL60966A (en)
IT (1) IT1132617B (en)
NL (1) NL190075C (en)
PL (1) PL226579A1 (en)
SE (1) SE450706B (en)

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5657836A (en) * 1979-10-16 1981-05-20 Asahi Chem Ind Co Ltd Porous hydrophilic polyolefin resin membrane and its preparation
DE3043073C2 (en) * 1980-11-14 1984-07-05 Fresenius AG, 6380 Bad Homburg Filtration membrane and method for hydrophilization
DE3116738C2 (en) * 1981-04-28 1984-07-05 Fa. Carl Freudenberg, 6940 Weinheim Separator for electrochemical energy storage and process for its production
CA1226112A (en) * 1982-09-09 1987-09-01 Minnesota Mining And Manufacturing Company Microporous sheet material, method of making and articles made therewith
AU570508B2 (en) * 1983-09-12 1988-03-17 Memtec Limited Hydrophyllic ultra filter
EP0156840A4 (en) * 1983-09-12 1987-07-08 Memtec Ltd Treatment of porous membranes.
US4618533A (en) * 1984-11-30 1986-10-21 Millipore Corporation Porous membrane having hydrophilic surface and process
JPS61161103A (en) * 1985-01-10 1986-07-21 Terumo Corp Hydrophilic porous membrane and its preparation
JPS61271003A (en) * 1985-05-27 1986-12-01 Asahi Medical Co Ltd Hydrophilic compound porous membrane and its preparation
US4678813A (en) * 1985-11-11 1987-07-07 Mitsubishi Rayon Co., Ltd. Hydrophilized porous polyolefin membrane and production process thereof
US4695592A (en) * 1986-01-07 1987-09-22 Mitsubishi Rayon Co., Ltd. Hydrophilized porous membrane and production process thereof
JPS62253638A (en) * 1986-04-28 1987-11-05 Idemitsu Kosan Co Ltd Modification of polyolefin based porous substrate
JPS62262705A (en) * 1986-05-07 1987-11-14 Agency Of Ind Science & Technol Hydrophilic porous membrane, its production and serum separator using said membrane
JPH089668B2 (en) * 1986-10-14 1996-01-31 東レ株式会社 Hydrophilized film and method for producing the same
US4906374A (en) * 1986-12-23 1990-03-06 Pall Corporation Filtration media with low protein adsorbability
JPH0621181B2 (en) * 1987-01-12 1994-03-23 テルモ株式会社 Method for producing hydrophilic polyvinylidene fluoride porous membrane
JPH082994B2 (en) * 1987-03-12 1996-01-17 日本原子力研究所 Method for producing modified open-cell polyolefin foam
US4886836A (en) * 1987-06-03 1989-12-12 Pall Corporation Activated medium with low non-specific protein adsorption
AU613371B2 (en) * 1987-07-01 1991-08-01 Minnesota Mining And Manufacturing Company Polypropylene articles and method for preparing same
US4950549A (en) * 1987-07-01 1990-08-21 Minnesota Mining And Manufacturing Company Polypropylene articles and method for preparing same
US4828700A (en) * 1987-07-20 1989-05-09 The Dow Chemical Company Rejection enhancing coatings for reverse osmosis membranes
JPH0829234B2 (en) * 1987-07-27 1996-03-27 旭化成工業株式会社 Hydrophilic microporous membrane
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
CA1314666C (en) * 1988-06-13 1993-03-23 Kazuo Toyomoto Selectively ion-adsorptive, porous membrane
US4885077A (en) * 1988-11-17 1989-12-05 Becton, Dickinson And Company Composite membrane, method for its preparation and electrolyte sensor including same
US5258419A (en) * 1989-06-26 1993-11-02 Minnesota Mining And Manufacturing Company Methods of preparing radiation resistant heat sealable polymer blends
US5209984A (en) * 1989-06-26 1993-05-11 Minnesota Mining And Manufacturing Company Films of radiation resistant heat sealable polymer blends having a surface adhesion layer grafted thereto
US5140073A (en) * 1989-06-26 1992-08-18 Minnesota Mining And Manufacturing Company Radiation resistant heat sealable polymer blends of compatible polymers and methods of preparing same
JP2798267B2 (en) * 1989-07-21 1998-09-17 テルモ株式会社 Gamma-ray sterilizable hydrophilized porous material
US5180492A (en) * 1989-07-21 1993-01-19 Terumo Kabushiki Kaisha Hydrophilic porous material sterilizable with gamma-ray
US4944879A (en) * 1989-07-27 1990-07-31 Millipore Corporation Membrane having hydrophilic surface
US5232642A (en) * 1991-02-08 1993-08-03 Mitsubishi Rayon Co., Ltd. Process of making porous polypropylene hollow fiber membrane of large pore diameter
JPH0523296U (en) * 1991-08-31 1993-03-26 ホーチキ株式会社 Telephone device for fire alarm system
DE19620634C2 (en) * 1996-05-22 1998-08-27 Fraunhofer Ges Forschung Process for the production of adhesion-promoting layers on plastic surfaces
GB2325467B (en) * 1997-05-21 2000-11-01 Dainippon Ink & Chemicals Process for producing material with hydrophilic surface
CA2327067A1 (en) * 1999-12-06 2001-06-06 Canon Kabushiki Kaisha Surface reformed fiber body, liquid container using fiber absorber, and method of producing fiber absorber for use in liquid ejection
DE10055084A1 (en) 2000-11-07 2002-06-13 Basf Ag Flexible, open-celled, microcellular polymer foams
JP4521978B2 (en) * 2000-11-08 2010-08-11 キヤノン株式会社 Ink tank, ink jet recording apparatus
US6734386B1 (en) 2001-09-24 2004-05-11 Meissner Filtration Products, Inc. Method for rendering PVDF membrane hydrophilic
JP4016712B2 (en) * 2002-05-13 2007-12-05 株式会社ジーエス・ユアサコーポレーション Lithium ion conductive polymer electrolyte and polymer electrolyte battery using the same
CN102215944A (en) * 2008-11-17 2011-10-12 东丽东燃机能膜合同会社 Microporous membranes and methods for producing and using such membranes
CN107250233B (en) * 2015-03-18 2020-10-30 旭化成株式会社 Polyamide resin foam molded body and method for producing polyamide resin foam molded body
CN105694322A (en) * 2016-01-20 2016-06-22 广州立白企业集团有限公司 Water-soluble thin film with good water dissolving performance and small bag prepared from water-soluble thin film
CN106268366A (en) * 2016-08-08 2017-01-04 天津工业大学 The preparation method and applications of modified polypropene hollow-fibre membrane
CN113171692A (en) * 2021-04-12 2021-07-27 苏州优可发膜科技有限公司 Preparation method of polytetrafluoroethylene hydrophilic membrane

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5644098B2 (en) * 1973-12-28 1981-10-17
JPS5479426A (en) * 1977-12-08 1979-06-25 Seiko Instr & Electronics Separator for alkali primary cell

Also Published As

Publication number Publication date
SE450706B (en) 1987-07-20
IL60966A0 (en) 1980-11-30
DE3032380A1 (en) 1981-03-19
GB2058802B (en) 1984-02-01
JPS5638333A (en) 1981-04-13
SE8006151L (en) 1981-04-14
KR830001538B1 (en) 1983-08-10
NL190075B (en) 1993-05-17
DD153884A5 (en) 1982-02-10
NL190075C (en) 1993-10-18
DE3032380C2 (en) 1992-12-17
KR830003287A (en) 1983-06-18
AU6193880A (en) 1981-03-12
CH648576A5 (en) 1985-03-29
JPH021177B2 (en) 1990-01-10
BE885063A (en) 1981-03-03
NL8004988A (en) 1981-03-06
PL226579A1 (en) 1981-05-22
GB2058802A (en) 1981-04-15
FR2464277B3 (en) 1982-07-02
FR2464277A1 (en) 1981-03-06
IT8024411A0 (en) 1980-09-02
CA1152942A (en) 1983-08-30
BR8005590A (en) 1981-05-12
IL60966A (en) 1983-11-30

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