DE1048018B - Verfahren zur Herstellung von mikroporoesen Filmen - Google Patents
Verfahren zur Herstellung von mikroporoesen FilmenInfo
- Publication number
- DE1048018B DE1048018B DES44462A DES0044462A DE1048018B DE 1048018 B DE1048018 B DE 1048018B DE S44462 A DES44462 A DE S44462A DE S0044462 A DES0044462 A DE S0044462A DE 1048018 B DE1048018 B DE 1048018B
- Authority
- DE
- Germany
- Prior art keywords
- particles
- dispersion
- dispersant
- synthetic resin
- film
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 20
- 238000004519 manufacturing process Methods 0.000 title description 11
- 239000002245 particle Substances 0.000 claims description 68
- 239000006185 dispersion Substances 0.000 claims description 31
- 229920003002 synthetic resin Polymers 0.000 claims description 28
- 239000000057 synthetic resin Substances 0.000 claims description 28
- 238000002844 melting Methods 0.000 claims description 22
- 230000008018 melting Effects 0.000 claims description 22
- 229920003023 plastic Polymers 0.000 claims description 14
- 239000004033 plastic Substances 0.000 claims description 14
- 239000002904 solvent Substances 0.000 claims description 12
- 229920002367 Polyisobutene Polymers 0.000 claims description 10
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 10
- 239000004800 polyvinyl chloride Substances 0.000 claims description 10
- 229920001169 thermoplastic Polymers 0.000 claims description 10
- 239000004416 thermosoftening plastic Substances 0.000 claims description 9
- 239000002270 dispersing agent Substances 0.000 claims description 8
- 239000003995 emulsifying agent Substances 0.000 claims description 7
- -1 polychlorotrifluoroethylene Polymers 0.000 claims description 7
- 239000000839 emulsion Substances 0.000 claims description 6
- 238000002386 leaching Methods 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 3
- 229920002493 poly(chlorotrifluoroethylene) Polymers 0.000 claims description 3
- 239000005023 polychlorotrifluoroethylene (PCTFE) polymer Substances 0.000 claims description 2
- 239000000758 substrate Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims 1
- 238000005554 pickling Methods 0.000 claims 1
- 238000007493 shaping process Methods 0.000 claims 1
- 239000010408 film Substances 0.000 description 57
- 239000011159 matrix material Substances 0.000 description 26
- 229920005989 resin Polymers 0.000 description 15
- 239000011347 resin Substances 0.000 description 15
- 239000000843 powder Substances 0.000 description 10
- 239000011148 porous material Substances 0.000 description 9
- 239000004744 fabric Substances 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 239000004952 Polyamide Substances 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 229920002647 polyamide Polymers 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 239000002609 medium Substances 0.000 description 5
- 238000005192 partition Methods 0.000 description 5
- 229920000642 polymer Polymers 0.000 description 5
- 235000013870 dimethyl polysiloxane Nutrition 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 4
- 238000005470 impregnation Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 4
- 230000000717 retained effect Effects 0.000 description 4
- 239000005060 rubber Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 3
- 238000003490 calendering Methods 0.000 description 3
- 239000004205 dimethyl polysiloxane Substances 0.000 description 3
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 239000007764 o/w emulsion Substances 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 241001131688 Coracias garrulus Species 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 2
- 239000004721 Polyphenylene oxide Substances 0.000 description 2
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 2
- 125000002877 alkyl aryl group Chemical group 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 229920000570 polyether Polymers 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- 239000001856 Ethyl cellulose Substances 0.000 description 1
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 description 1
- 229920006385 Geon Polymers 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- CYTYCFOTNPOANT-UHFFFAOYSA-N Perchloroethylene Chemical group ClC(Cl)=C(Cl)Cl CYTYCFOTNPOANT-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical group ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 229920002433 Vinyl chloride-vinyl acetate copolymer Polymers 0.000 description 1
- LZBCVRCTAYKYHR-UHFFFAOYSA-N acetic acid;chloroethene Chemical compound ClC=C.CC(O)=O LZBCVRCTAYKYHR-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- HGAZMNJKRQFZKS-UHFFFAOYSA-N chloroethene;ethenyl acetate Chemical compound ClC=C.CC(=O)OC=C HGAZMNJKRQFZKS-UHFFFAOYSA-N 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000011437 continuous method Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000002612 dispersion medium Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001249 ethyl cellulose Polymers 0.000 description 1
- 235000019325 ethyl cellulose Nutrition 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- XUCNUKMRBVNAPB-UHFFFAOYSA-N fluoroethene Chemical group FC=C XUCNUKMRBVNAPB-UHFFFAOYSA-N 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 229940052308 general anesthetics halogenated hydrocarbons Drugs 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 150000008282 halocarbons Chemical class 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 125000005375 organosiloxane group Chemical group 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 229950011008 tetrachloroethylene Drugs 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 229960002415 trichloroethylene Drugs 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- 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
- 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
-
- 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
- C08J9/26—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a solid phase from a macromolecular composition or article, e.g. leaching out
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/227—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of hydrocarbons, or reaction products thereof, e.g. afterhalogenated or sulfochlorinated
- D06M15/233—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of hydrocarbons, or reaction products thereof, e.g. afterhalogenated or sulfochlorinated aromatic, e.g. styrene
-
- 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
- H01M50/403—Manufacturing processes of separators, membranes or diaphragms
-
- 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
-
- 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
-
- 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
- Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
- Y10S264/61—Processes of molding polyamide
-
- 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
- Y10S521/00—Synthetic resins or natural rubbers -- part of the class 520 series
- Y10S521/919—Sintered product
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Textile Engineering (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US439270A US2806256A (en) | 1954-06-25 | 1954-06-25 | Method of making microporous film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1048018B true DE1048018B (de) | 1958-12-31 |
Family
ID=23744017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DES44462A Pending DE1048018B (de) | 1954-06-25 | 1955-06-23 | Verfahren zur Herstellung von mikroporoesen Filmen |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2806256A (en, 2012) |
| BE (1) | BE538663A (en, 2012) |
| CH (1) | CH364355A (en, 2012) |
| DE (1) | DE1048018B (en, 2012) |
| GB (1) | GB790241A (en, 2012) |
Families Citing this family (38)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2976257A (en) * | 1961-03-21 | Re-etfspersible dispersion of polytetra- | ||
| US3020597A (en) * | 1953-07-03 | 1962-02-13 | S J Chemical Company | Method of making microporous film |
| US3057759A (en) * | 1956-02-14 | 1962-10-09 | Goodrich Co B F | Method and apparatus for removing a soluble substance from sheet material |
| US3121069A (en) * | 1956-04-25 | 1964-02-11 | Delaware Res & Dev Corp | Composition of styrene-butadiene copolymer and polyorganosiloxane |
| US3148234A (en) * | 1956-12-24 | 1964-09-08 | Du Pont | Method of preparing filaments containing polytetrafluoroethylene emulsions |
| US3147323A (en) * | 1956-12-24 | 1964-09-01 | Du Pont | Method of preparation of filaments from polytetrafluoroethylene emulsion |
| US3062702A (en) * | 1957-01-23 | 1962-11-06 | Du Pont | Fibrid mixture products |
| US2963746A (en) * | 1957-03-22 | 1960-12-13 | Ici Ltd | Manufacture of porous sheet material from powdered polymers |
| NL236216A (en, 2012) * | 1958-02-17 | 1900-01-01 | ||
| US2984869A (en) * | 1958-05-02 | 1961-05-23 | Pritchett & Gold & E P S Co | Improved method of producing micro-porous sheet |
| US3100753A (en) * | 1958-08-21 | 1963-08-13 | Monsanto Chemicals | Composition comprising a mixture of polyethylene and an alkylalkoxysilane |
| US2997448A (en) * | 1958-09-24 | 1961-08-22 | Du Pont | Molded fluorocarbon polymer product and method of preparing same |
| US3087860A (en) * | 1958-12-19 | 1963-04-30 | Abbott Lab | Method of prolonging release of drug from a precompressed solid carrier |
| US3202540A (en) * | 1960-05-19 | 1965-08-24 | Gen Motors Corp | Sealing strip comprising rubber base coated with rubbery cement containing silicone gum |
| US3099586A (en) * | 1960-09-19 | 1963-07-30 | Electric Storage Battery Co | Storage battery electrodes and method of making the same |
| GB928324A (en) * | 1960-11-25 | 1963-06-12 | Sanzen Seishi Kabushiki Kaisha | A process for the production of a moisture-permeable film of plastic materials |
| US3181973A (en) * | 1960-12-28 | 1965-05-04 | Electric Storage Battery Co | Fuel cell electrode and method of making the same |
| US3137611A (en) * | 1961-03-10 | 1964-06-16 | Jr Day Krolik | Non-woven fabrics and method of manufacture |
| US3223578A (en) * | 1961-07-07 | 1965-12-14 | Nat Distillers Chem Corp | Method of overcoating polyolefin surfaces to be bonded to porous substrates |
| US3193437A (en) * | 1961-07-19 | 1965-07-06 | Freeman Chemical Corp | Laminated articles containing sheets of flexible foamed plastics and method for makin the same |
| BE635722A (en, 2012) * | 1962-10-26 | |||
| DE1287795C2 (de) * | 1963-03-02 | 1975-03-06 | Metal Containers Ltd., London | Geschichtetes thermoplastisches blattmaterial |
| US3310434A (en) * | 1963-05-06 | 1967-03-21 | Union Carbide Corp | Method of catalyzing porous electrodes |
| GB1140910A (en) * | 1965-08-26 | 1969-01-22 | Permutit Co Ltd | Cross-linked porous polymers |
| GB1200329A (en) * | 1966-10-07 | 1970-07-29 | Stauffer Chemical Co | Macroreticular resins |
| US3375208A (en) * | 1967-07-26 | 1968-03-26 | Esb Inc | Method for preparing a microporous thermoplastic resin material |
| US3640853A (en) * | 1968-12-27 | 1972-02-08 | Rca Corp | Adhesion of nonconducting and conducting materials |
| US4331734A (en) * | 1980-10-31 | 1982-05-25 | Stegmeier William J | Simulated volcanic rock |
| US4645602A (en) * | 1981-12-18 | 1987-02-24 | Barnes Jr Robert G | Process for producing reinforced microporous membrane |
| US4997603A (en) * | 1988-08-05 | 1991-03-05 | Hoechst Celanese Corp. | Process for formation of halogenated polymeric microporous membranes having improved strength properties |
| US5043113A (en) * | 1988-08-05 | 1991-08-27 | Hoechst Celanese Corp. | Process for formation of halogenated polymeric microporous membranes having improved strength properties |
| US4910106A (en) * | 1988-08-05 | 1990-03-20 | Hoechst Celanese Corporation | Formation of halogenated polymeric microporous membranes having improved strength properties |
| DE19700232A1 (de) * | 1997-01-07 | 1998-07-09 | Geesthacht Gkss Forschung | Verfahren und Vorrichtung zur Herstellung einer mehrschichtigen flächigen Polymermembran |
| US7942274B2 (en) * | 2000-05-24 | 2011-05-17 | Millipore Corporation | High-throughput asymmetric membrane |
| US7229665B2 (en) * | 2001-05-22 | 2007-06-12 | Millipore Corporation | Process of forming multilayered structures |
| JP2017528561A (ja) | 2014-08-21 | 2017-09-28 | イエン，ウイリアム・ウインチン | 微小孔性シート製品ならびにその製造法および使用法 |
| JP2017535642A (ja) | 2014-11-05 | 2017-11-30 | イエン，ウイリアム・ウインチン | 微孔性シート製品、ならびに、その製造方法及び使用方法 |
| US10829600B2 (en) | 2014-11-05 | 2020-11-10 | William Winchin Yen | Microporous sheet product and methods for making and using the same |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2644802A (en) * | 1950-06-30 | 1953-07-07 | Du Pont | Tetrafluoroethylene polymer compositions containing polyorganosiloxane lubricants |
| GB706012A (en) * | 1950-04-20 | 1954-03-24 | British Dielectric Res Ltd | Improved methods of processing polytetrafluorethylene and products therefrom |
-
0
- BE BE538663D patent/BE538663A/xx unknown
-
1954
- 1954-06-25 US US439270A patent/US2806256A/en not_active Expired - Lifetime
-
1955
- 1955-05-31 GB GB15601/55A patent/GB790241A/en not_active Expired
- 1955-06-23 DE DES44462A patent/DE1048018B/de active Pending
- 1955-06-24 CH CH2136655A patent/CH364355A/de unknown
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB706012A (en) * | 1950-04-20 | 1954-03-24 | British Dielectric Res Ltd | Improved methods of processing polytetrafluorethylene and products therefrom |
| US2644802A (en) * | 1950-06-30 | 1953-07-07 | Du Pont | Tetrafluoroethylene polymer compositions containing polyorganosiloxane lubricants |
Also Published As
| Publication number | Publication date |
|---|---|
| BE538663A (en, 2012) | |
| GB790241A (en) | 1958-02-05 |
| US2806256A (en) | 1957-09-17 |
| CH364355A (de) | 1962-09-15 |
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