JPS6111780B2 - - Google Patents
Info
- Publication number
- JPS6111780B2 JPS6111780B2 JP52128776A JP12877677A JPS6111780B2 JP S6111780 B2 JPS6111780 B2 JP S6111780B2 JP 52128776 A JP52128776 A JP 52128776A JP 12877677 A JP12877677 A JP 12877677A JP S6111780 B2 JPS6111780 B2 JP S6111780B2
- Authority
- JP
- Japan
- Prior art keywords
- tube
- vinylidene fluoride
- fluoride polymer
- polymer
- birefringence
- 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.)
- Expired
Links
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 claims description 43
- 229920000642 polymer Polymers 0.000 claims description 33
- 239000011148 porous material Substances 0.000 claims description 32
- 239000012528 membrane Substances 0.000 claims description 20
- 239000013078 crystal Substances 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 11
- 238000000108 ultra-filtration Methods 0.000 claims description 9
- 238000002844 melting Methods 0.000 claims description 8
- 230000008018 melting Effects 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 229920001577 copolymer Polymers 0.000 claims description 4
- 229920001519 homopolymer Polymers 0.000 claims description 3
- 239000000178 monomer Substances 0.000 claims 1
- 239000000126 substance Substances 0.000 description 12
- 239000000843 powder Substances 0.000 description 8
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 7
- 229910052753 mercury Inorganic materials 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000000926 separation method Methods 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 229920006369 KF polymer Polymers 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000002459 porosimetry Methods 0.000 description 3
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005188 flotation Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- XUCNUKMRBVNAPB-UHFFFAOYSA-N fluoroethene Chemical compound FC=C XUCNUKMRBVNAPB-UHFFFAOYSA-N 0.000 description 2
- 239000012510 hollow fiber Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- CHDVXKLFZBWKEN-UHFFFAOYSA-N C=C.F.F.F.Cl Chemical compound C=C.F.F.F.Cl CHDVXKLFZBWKEN-UHFFFAOYSA-N 0.000 description 1
- PYVHTIWHNXTVPF-UHFFFAOYSA-N F.F.F.F.C=C Chemical compound F.F.F.F.C=C PYVHTIWHNXTVPF-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
- 241001488007 Microborus Species 0.000 description 1
- 150000001413 amino acids Chemical class 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000004581 coalescence Methods 0.000 description 1
- 239000003484 crystal nucleating agent Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000006866 deterioration Effects 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
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical compound FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 229960003971 influenza vaccine Drugs 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000010128 melt processing Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 239000001103 potassium chloride Substances 0.000 description 1
- 235000011164 potassium chloride Nutrition 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000005199 ultracentrifugation Methods 0.000 description 1
- -1 vinylidene dipropylene Chemical group 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- 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
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- 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
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12877677A JPS5462273A (en) | 1977-10-28 | 1977-10-28 | Method of making microporous tube of vinylidene fluoride polymer |
| GB273878A GB1553050A (en) | 1977-01-27 | 1978-01-24 | Process for producing microporous tube of a vinylidene fluoride polymer |
| DE19782803198 DE2803198A1 (de) | 1977-01-27 | 1978-01-25 | Verfahren zur herstellung eines mikroporoesen rohrs aus einem vinylidenfluoridpolymerisat und nach dem verfahren hergestelltes mikroporoeses rohr |
| FR7802411A FR2378624A1 (fr) | 1977-01-27 | 1978-01-27 | Procede perfectionne pour preparer un tube microporeux en polymere du fluorure de vinylidene |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12877677A JPS5462273A (en) | 1977-10-28 | 1977-10-28 | Method of making microporous tube of vinylidene fluoride polymer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5462273A JPS5462273A (en) | 1979-05-19 |
| JPS6111780B2 true JPS6111780B2 (enrdf_load_html_response) | 1986-04-04 |
Family
ID=14993176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12877677A Granted JPS5462273A (en) | 1977-01-27 | 1977-10-28 | Method of making microporous tube of vinylidene fluoride polymer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5462273A (enrdf_load_html_response) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2522227A1 (en) | 2003-04-16 | 2004-10-28 | Kureha Corporation | Porous film of vinylidene fluoride resin and method for producing same |
| US7338692B2 (en) * | 2003-09-12 | 2008-03-04 | 3M Innovative Properties Company | Microporous PVDF films |
| JP2007308724A (ja) * | 2007-08-31 | 2007-11-29 | Asahi Glass Co Ltd | フッ素樹脂の硬質多孔質成形体 |
-
1977
- 1977-10-28 JP JP12877677A patent/JPS5462273A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5462273A (en) | 1979-05-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5435955A (en) | Process of producing porous polypropylene hollow fiber and film | |
| JP5068168B2 (ja) | フッ化ビニリデン系樹脂中空糸多孔膜 | |
| EP0057328B1 (en) | Porous polyethylene film | |
| US7140496B2 (en) | Multilayer microporous membrane | |
| JP2814574B2 (ja) | ポリテトラフルオロエチレン多孔質体およびその製造方法 | |
| AU738323B2 (en) | Microporous membrane | |
| AU771197B2 (en) | Heat-resistant microporous film | |
| US20040135274A1 (en) | Microporous membrane | |
| JPS6335726B2 (enrdf_load_html_response) | ||
| JPH04187224A (ja) | フッ素系多孔質中空糸膜の製法 | |
| JP5008850B2 (ja) | 四フッ化エチレン樹脂成形体、延伸四フッ化エチレン樹脂成形体、それらの製造方法、並びに、複合体、フィルター、衝撃変形吸収材及びシール材 | |
| KR20140025579A (ko) | 고분자 다공질막 및 고분자 다공질막의 제조 방법 | |
| JP5036033B2 (ja) | 水処理用多孔質膜及びその製造方法 | |
| WO2010082437A1 (ja) | フッ化ビニリデン系樹脂中空糸多孔膜およびその製造方法 | |
| JPWO2007032331A1 (ja) | フッ化ビニリデン系樹脂中空糸多孔膜およびその製造方法 | |
| JPH05192547A (ja) | 多孔性ポリオレフィン分離膜の製造方法 | |
| WO2005032700A1 (ja) | フッ化ビニリデン系樹脂多孔質中空糸およびその製造方法 | |
| US4563317A (en) | Process of producing porous thermoplastic resin article | |
| JPS6111780B2 (enrdf_load_html_response) | ||
| JP7316893B2 (ja) | 高強度小孔径のポリテトラフルオロエチレン多孔膜 | |
| US5057218A (en) | Porous membrane and production process thereof | |
| WO2004078831A1 (ja) | 四弗化エチレン樹脂多孔質体及びその製造方法 | |
| JPH07316327A (ja) | 四弗化エチレン樹脂多孔質体及びその製造方法 | |
| JP2012176998A (ja) | ポリオレフィン微多孔膜 | |
| KR20070031330A (ko) | 불화비닐리덴계 수지 중공사 다공 수여과막 및 그의 제조방법 |