IT1089635B - Processo per la produzione di una membrana permeabile - Google Patents

Processo per la produzione di una membrana permeabile

Info

Publication number
IT1089635B
IT1089635B IT30556/77A IT3055677A IT1089635B IT 1089635 B IT1089635 B IT 1089635B IT 30556/77 A IT30556/77 A IT 30556/77A IT 3055677 A IT3055677 A IT 3055677A IT 1089635 B IT1089635 B IT 1089635B
Authority
IT
Italy
Prior art keywords
sheet
melt
film
solvent
resin
Prior art date
Application number
IT30556/77A
Other languages
English (en)
Original Assignee
Nippon Oil Co Ltd
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 Nippon Oil Co Ltd filed Critical Nippon Oil Co Ltd
Application granted granted Critical
Publication of IT1089635B publication Critical patent/IT1089635B/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • 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
    • 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
    • B01D67/003—Organic membrane manufacture by inducing porosity into non porous precursor membranes by selective elimination of components, e.g. by leaching
    • 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
    • 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
    • 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
    • B01D71/262—Polypropylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/20—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored
    • B29C67/202—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored comprising elimination of a solid or a liquid ingredient
    • 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
    • H01M50/449—Separators, membranes or diaphragms characterised by the material having a layered structure
    • 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
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0012—Mechanical treatment, e.g. roughening, deforming, stretching
    • B32B2038/0028—Stretching, elongating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2305/00—Condition, form or state of the layers or laminate
    • B32B2305/02—Cellular or porous
    • B32B2305/026—Porous
    • 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
IT30556/77A 1976-12-10 1977-12-09 Processo per la produzione di una membrana permeabile IT1089635B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51147669A JPS5939460B2 (ja) 1976-12-10 1976-12-10 多孔膜の製法

Publications (1)

Publication Number Publication Date
IT1089635B true IT1089635B (it) 1985-06-18

Family

ID=15435584

Family Applications (1)

Application Number Title Priority Date Filing Date
IT30556/77A IT1089635B (it) 1976-12-10 1977-12-09 Processo per la produzione di una membrana permeabile

Country Status (6)

Country Link
US (1) US4197148A (it)
JP (1) JPS5939460B2 (it)
DE (1) DE2751075C2 (it)
FR (1) FR2373388A1 (it)
GB (1) GB1592557A (it)
IT (1) IT1089635B (it)

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US4778601A (en) * 1984-10-09 1988-10-18 Millipore Corporation Microporous membranes of ultrahigh molecular weight polyethylene
EP0183103B1 (en) * 1984-11-09 1988-08-03 TERUMO KABUSHIKI KAISHA trading as TERUMO CORPORATION Flat permeable membrane and method for manufacture thereof
JPS61114701A (ja) * 1984-11-09 1986-06-02 Terumo Corp 平膜型透過性膜およびその製造方法
CA1312429C (en) * 1985-08-29 1993-01-12 Yukio Seita Porous membrane for separation of blood components and method for manufacture thereof
US4713069A (en) * 1986-10-31 1987-12-15 Kimberly-Clark Corporation Baffle having zoned water vapor permeability
US4713068A (en) * 1986-10-31 1987-12-15 Kimberly-Clark Corporation Breathable clothlike barrier having controlled structure defensive composite
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JPS63135569A (ja) * 1986-11-18 1988-06-07 三井東圧化学株式会社 通気性防水不織布
US4726989A (en) * 1986-12-11 1988-02-23 Minnesota Mining And Manufacturing Microporous materials incorporating a nucleating agent and methods for making same
US4968464A (en) * 1987-04-30 1990-11-06 Kohjin Co., Ltd. Process for producing a porous resin film
JPH0720483B2 (ja) * 1987-05-29 1995-03-08 住友製薬株式会社 高粘度糊状組成物成形体の乾燥法
US4867881A (en) * 1987-09-14 1989-09-19 Minnesota Minning And Manufacturing Company Orientied microporous film
US4818600A (en) * 1987-12-09 1989-04-04 Kimberly-Clark Corporation Latex coated breathable barrier
US5202183A (en) * 1988-07-11 1993-04-13 Mitsubishi Rayon Co., Ltd. Alkali-resistant synthetic fiber
US4975469A (en) * 1989-03-20 1990-12-04 Amoco Corporation Oriented porous polypropylene films
FR2656545A1 (fr) * 1990-01-03 1991-07-05 Lyonnaise Eaux Procede de preparation de membranes de filtration a partir d'un melange binaire de polymere incompatibles et membranes ainsi obtenues.
US5453298A (en) * 1990-11-08 1995-09-26 California Institute Of Technology Method for forming H2-permselective oxide membranes
US5176953A (en) * 1990-12-21 1993-01-05 Amoco Corporation Oriented polymeric microporous films
US5451454A (en) * 1991-12-24 1995-09-19 Bridgestone Corporation High-molecular materials and processes for manufacturing the same
US5552011A (en) * 1994-10-14 1996-09-03 Nanya Plastics Corporation Process of 3-layer co-extruded biaxial oriented polypropylene (BOPP) synthetic paper
US6254978B1 (en) * 1994-11-14 2001-07-03 W. L. Gore & Associates, Inc. Ultra-thin integral composite membrane
JPH1092444A (ja) 1996-09-13 1998-04-10 Japan Gore Tex Inc 電気化学反応装置用固体高分子電解質複合体及びそれを用いた電気化学反応装置
CA2231077A1 (en) 1997-03-04 1998-09-04 Guojun Liu Polymeric material and process for production thereof
US6277104B1 (en) 1997-08-25 2001-08-21 Mcneil-Ppc, Inc. Air permeable, liquid impermeable barrier structures and products made therefrom
US6635384B2 (en) 1998-03-06 2003-10-21 Gore Enterprise Holdings, Inc. Solid electrolyte composite for electrochemical reaction apparatus
FI107035B (fi) * 1999-09-10 2001-05-31 Natural Colour Kari Kirjavaine Menetelmä ja laitteisto muovikalvon valmistamiseksi ja muovikalvo
US6582810B2 (en) 2000-12-22 2003-06-24 Kimberly-Clark Worldwide, Inc. One-step method of producing an elastic, breathable film structure
US6815123B2 (en) * 2001-12-28 2004-11-09 Policell Technologies, Inc. Lithium-ion battery using heat-activatable microporous membrane
US6998193B2 (en) 2001-12-28 2006-02-14 Policell Technologies, Inc. Microporous membrane and its uses thereof
US6527955B1 (en) 2001-12-28 2003-03-04 Policell Technologies, Inc. Heat-activatable microporous membrane and its uses in batteries
JP4484635B2 (ja) * 2004-09-02 2010-06-16 日東電工株式会社 スパイラル型逆浸透膜エレメント、およびその製造方法
US20090169942A1 (en) * 2005-07-18 2009-07-02 Massachusetts Institute Of Technology Physical Vapor Deposited Nano-Composites for Solid Oxide Fuel Cell Electrodes
US7517482B2 (en) * 2005-11-09 2009-04-14 Industrial Technology Research Institute Method for producing polymeric membranes with high-recovery rate
US8889572B2 (en) 2010-09-29 2014-11-18 Milliken & Company Gradient nanofiber non-woven
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CN103178227B (zh) * 2011-12-22 2016-05-11 天津东皋膜技术有限公司 具有热压粘合特性的聚乙烯基复合材料微多孔隔膜
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KR20190062168A (ko) * 2017-11-28 2019-06-05 주식회사 엘지화학 불소계 수지 다공성 막의 제조방법
CN112791603B (zh) * 2019-11-13 2023-04-14 李鑫 聚乙烯微多孔膜的高温铸片系统

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Also Published As

Publication number Publication date
JPS5372070A (en) 1978-06-27
JPS5939460B2 (ja) 1984-09-22
GB1592557A (en) 1981-07-08
US4197148A (en) 1980-04-08
DE2751075A1 (de) 1978-06-15
FR2373388B1 (it) 1980-10-10
FR2373388A1 (fr) 1978-07-07
DE2751075C2 (de) 1982-05-13

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