DE2803198A1 - Verfahren zur herstellung eines mikroporoesen rohrs aus einem vinylidenfluoridpolymerisat und nach dem verfahren hergestelltes mikroporoeses rohr - Google Patents
Verfahren zur herstellung eines mikroporoesen rohrs aus einem vinylidenfluoridpolymerisat und nach dem verfahren hergestelltes mikroporoeses rohrInfo
- Publication number
- DE2803198A1 DE2803198A1 DE19782803198 DE2803198A DE2803198A1 DE 2803198 A1 DE2803198 A1 DE 2803198A1 DE 19782803198 DE19782803198 DE 19782803198 DE 2803198 A DE2803198 A DE 2803198A DE 2803198 A1 DE2803198 A1 DE 2803198A1
- Authority
- DE
- Germany
- Prior art keywords
- vinylidene fluoride
- tubular
- temperature
- fluoride polymer
- starting material
- 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
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 title claims description 53
- 238000000034 method Methods 0.000 title claims description 17
- 229920000642 polymer Polymers 0.000 claims description 43
- 239000011148 porous material Substances 0.000 claims description 41
- 239000007858 starting material Substances 0.000 claims description 30
- 238000004519 manufacturing process Methods 0.000 claims description 15
- 239000013078 crystal Substances 0.000 claims description 12
- 229920001519 homopolymer Polymers 0.000 claims description 6
- 229920001577 copolymer Polymers 0.000 claims description 5
- 230000009969 flowable effect Effects 0.000 claims description 3
- 239000000178 monomer Substances 0.000 claims 2
- 239000012528 membrane Substances 0.000 description 20
- 239000000463 material Substances 0.000 description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 9
- 238000000926 separation method Methods 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- 238000002844 melting Methods 0.000 description 6
- 230000008018 melting Effects 0.000 description 6
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 6
- 229910052753 mercury Inorganic materials 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 238000002459 porosimetry Methods 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000009826 distribution Methods 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 238000000108 ultra-filtration Methods 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 2
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000005188 flotation Methods 0.000 description 2
- XUCNUKMRBVNAPB-UHFFFAOYSA-N fluoroethene Chemical compound FC=C XUCNUKMRBVNAPB-UHFFFAOYSA-N 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- RRZIJNVZMJUGTK-UHFFFAOYSA-N 1,1,2-trifluoro-2-(1,2,2-trifluoroethenoxy)ethene Chemical compound FC(F)=C(F)OC(F)=C(F)F RRZIJNVZMJUGTK-UHFFFAOYSA-N 0.000 description 1
- STZGJBQNIMZOOD-UHFFFAOYSA-N 2-chloro-1,3,4,4,5,6,6,6-octafluoro-5-(trifluoromethyl)hex-1-ene Chemical compound FC(C(C(F)(F)F)(C(C(C(=CF)Cl)F)(F)F)F)(F)F STZGJBQNIMZOOD-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 241001082241 Lythrum hyssopifolia Species 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 150000001413 amino acids Chemical class 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- UUAGAQFQZIEFAH-UHFFFAOYSA-N chlorotrifluoroethylene Chemical group FC(F)=C(F)Cl UUAGAQFQZIEFAH-UHFFFAOYSA-N 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000012510 hollow fiber Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 229960003971 influenza vaccine Drugs 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 239000002667 nucleating agent Substances 0.000 description 1
- DAFIBNSJXIGBQB-UHFFFAOYSA-N perfluoroisobutene Chemical group FC(F)=C(C(F)(F)F)C(F)(F)F DAFIBNSJXIGBQB-UHFFFAOYSA-N 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 239000001103 potassium chloride Substances 0.000 description 1
- 235000011164 potassium chloride Nutrition 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- 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
- B01D71/30—Polyalkenyl halides
- B01D71/32—Polyalkenyl halides containing fluorine atoms
- B01D71/34—Polyvinylidene fluoride
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/06—Tubular membrane modules
- B01D63/061—Manufacturing thereof
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
- B29K2027/12—Use of polyvinylhalogenides or derivatives thereof as moulding material containing fluorine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0037—Other properties
- B29K2995/0068—Permeability to liquids; Adsorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/14—Filters
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP730577 | 1977-01-27 | ||
JP12877677A JPS5462273A (en) | 1977-10-28 | 1977-10-28 | Method of making microporous tube of vinylidene fluoride polymer |
Publications (1)
Publication Number | Publication Date |
---|---|
DE2803198A1 true DE2803198A1 (de) | 1978-08-10 |
Family
ID=26341580
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19782803198 Pending DE2803198A1 (de) | 1977-01-27 | 1978-01-25 | Verfahren zur herstellung eines mikroporoesen rohrs aus einem vinylidenfluoridpolymerisat und nach dem verfahren hergestelltes mikroporoeses rohr |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE2803198A1 (en, 2012) |
FR (1) | FR2378624A1 (en, 2012) |
GB (1) | GB1553050A (en, 2012) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0094679A3 (en) * | 1982-05-18 | 1984-04-11 | Asahi Glass Company Ltd. | Process for producing an ion exchange membrane |
DE3415028A1 (de) * | 1984-04-19 | 1985-10-31 | Veritas Gummiwerke AG, 6460 Gelnhausen | Verfahren zur herstellung von vulkanisierten gummischlaeuchen |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4377481A (en) * | 1980-11-14 | 1983-03-22 | Abcor, Inc. | Blended, polymeric, matrix membrane and process of making and using same |
US5198505A (en) * | 1991-04-11 | 1993-03-30 | Pall Corporation | Uniform polyvinylidene difluoride membranes |
WO1998038029A1 (en) * | 1997-02-25 | 1998-09-03 | Elf Atochem S.A. | A thermoplastic fluororesin porous body, a method for the production thereof and use of said porous body for producing a battery cell |
US7338692B2 (en) | 2003-09-12 | 2008-03-04 | 3M Innovative Properties Company | Microporous PVDF films |
EP3472887A1 (en) | 2016-06-20 | 2019-04-24 | Solvay SA | Fluoropolymer film |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA921220A (en) * | 1966-07-14 | 1973-02-20 | Ishii Hajime | Polyvinylidene fluoride films and process for producing the same |
FR1544807A (fr) * | 1967-09-27 | 1968-11-08 | Celanese Corp | Pellicule à cellules ouvertes |
US3962153A (en) * | 1970-05-21 | 1976-06-08 | W. L. Gore & Associates, Inc. | Very highly stretched polytetrafluoroethylene and process therefor |
CA980967A (en) * | 1971-02-03 | 1976-01-06 | Takayuki Katto | Process for producing porous articles of polytetrafluoroethylene |
GB1367738A (en) * | 1971-07-20 | 1974-09-25 | Kureha Chemical Ind Co Ltd | Process for the production of polyvinylidene fluoride resin film |
BE769308A (en) * | 1971-07-30 | 1971-12-30 | Polaroid Corp | Desalination membrane - of corrugated vinyldene fluoride |
-
1978
- 1978-01-24 GB GB273878A patent/GB1553050A/en not_active Expired
- 1978-01-25 DE DE19782803198 patent/DE2803198A1/de active Pending
- 1978-01-27 FR FR7802411A patent/FR2378624A1/fr active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0094679A3 (en) * | 1982-05-18 | 1984-04-11 | Asahi Glass Company Ltd. | Process for producing an ion exchange membrane |
DE3415028A1 (de) * | 1984-04-19 | 1985-10-31 | Veritas Gummiwerke AG, 6460 Gelnhausen | Verfahren zur herstellung von vulkanisierten gummischlaeuchen |
Also Published As
Publication number | Publication date |
---|---|
GB1553050A (en) | 1979-09-19 |
FR2378624A1 (fr) | 1978-08-25 |
FR2378624B1 (en, 2012) | 1982-03-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69003879T2 (de) | Poröses Material aus Polytetrafluorethylen und Verfahren zu dessen Herstellung. | |
DE69007130T2 (de) | Poröse Polyvinylidenfluorid-Membran und Verfahren zu ihrer Herstellung. | |
DE2417901C3 (de) | Verfahren zur Herstellung eines porösen Formkörper« aus einem Tetrafluoräthylen-Polymeren | |
EP0133882B1 (de) | Poren aufweisende Formkörper | |
DE3023058C2 (en, 2012) | ||
DE68919324T2 (de) | Verfahren zur Herstellung von isotropen mikroporösen Polysulfonmembranen. | |
DE2838665C3 (de) | Äthylen/Vinylalkohol-Copolymermembran und Verfahren zu ihrer Herstellung | |
DE69028418T2 (de) | Mikroporöse Membran, hergestellt aus einem kaltkalandrierten Vorläuferfilm | |
DE60123383T2 (de) | Verfahren zur reinigung von wässrigen suspensionen durch membranfiltration | |
DE2055369A1 (de) | Verfahren zur Herstellung von offen zelhgen mikroporösen Folien | |
DE68914149T2 (de) | Poröse membranen. | |
EP0848643B1 (de) | Verfahren zur herstellung von polymer-hohlfadenmembranen | |
DE2935097A1 (de) | Aethylen/vinylalkohol-copolymermembran | |
DE2321460B2 (de) | Hohlfasern aus Acrylnitrilpolymeren und Verfahren zu ihrer Herstellung | |
DE4113420A1 (de) | Polyacrylnitril-hohlfaeden aus speziellen spinnloesungen nach dem dry/wet- oder nass-spinnverfahren | |
DE2833493C2 (de) | Hohlfäden | |
DE112010003766T5 (de) | Fluorhaltige Hohlfasermembran und Verfahren zu deren Herstellung | |
DE3544206A1 (de) | Poroese membran aus einem fluorpolymerharz und verfahren zu ihrer herstellung | |
WO1995035340A1 (de) | Blasfolien aus cellulose | |
DE69710419T2 (de) | Poröse Folie aus einem Polyolefin von hohem molekularen Gewicht und Verfahren zu seiner Herstellung | |
EP2751311B1 (de) | Extrusionsverfahren | |
DE2205116A1 (de) | Verfahren zur Herstellung von porösen Polytetrafluoräthylengegenständen | |
DE1153131B (de) | Verfahren zur Herstellung von Faeden, Filmen, Baendern u. dgl. aus Tetrafluoraethylenpolymeren | |
EP0252339A1 (de) | Verfahren zur Herstellung Poren aufweisender Kohlenstoffmembranen | |
DE2803198A1 (de) | Verfahren zur herstellung eines mikroporoesen rohrs aus einem vinylidenfluoridpolymerisat und nach dem verfahren hergestelltes mikroporoeses rohr |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
OAP | Request for examination filed | ||
OD | Request for examination | ||
OHW | Rejection |