JPS647856B2 - - Google Patents
Info
- Publication number
- JPS647856B2 JPS647856B2 JP51049671A JP4967176A JPS647856B2 JP S647856 B2 JPS647856 B2 JP S647856B2 JP 51049671 A JP51049671 A JP 51049671A JP 4967176 A JP4967176 A JP 4967176A JP S647856 B2 JPS647856 B2 JP S647856B2
- Authority
- JP
- Japan
- Prior art keywords
- tube
- tetrafluoroethylene resin
- porous
- fibers
- fiber
- 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
- 239000000835 fiber Substances 0.000 claims description 56
- 239000011347 resin Substances 0.000 claims description 25
- 229920005989 resin Polymers 0.000 claims description 25
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims description 22
- 238000010438 heat treatment Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 5
- 239000010687 lubricating oil Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims 1
- 239000004810 polytetrafluoroethylene Substances 0.000 claims 1
- 239000011148 porous material Substances 0.000 description 14
- 239000002131 composite material Substances 0.000 description 8
- 230000007423 decrease Effects 0.000 description 8
- 238000001125 extrusion Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 210000001519 tissue Anatomy 0.000 description 5
- 239000012528 membrane Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 210000000056 organ Anatomy 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- 210000000013 bile duct Anatomy 0.000 description 2
- 210000004204 blood vessel Anatomy 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000000635 electron micrograph Methods 0.000 description 2
- 210000003238 esophagus Anatomy 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000003566 sealing material Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 210000003437 trachea Anatomy 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229920004934 Dacron® Polymers 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 208000005422 Foreign-Body reaction Diseases 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000002473 artificial blood Substances 0.000 description 1
- 210000000941 bile Anatomy 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 210000002808 connective tissue Anatomy 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000002757 inflammatory effect Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920013716 polyethylene resin Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 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
- B01D71/36—Polytetrafluoroethene
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
- A61F2/06—Blood vessels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
- B01D39/1692—Other shaped material, e.g. perforated or porous sheets
-
- 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
- B29C67/02—Moulding by agglomerating
- B29C67/04—Sintering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/10—Filtering material manufacturing
Landscapes
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Biomedical Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pulmonology (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Manufacturing & Machinery (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Gastroenterology & Hepatology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Mechanical Engineering (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Materials For Medical Uses (AREA)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4967176A JPS52132078A (en) | 1976-04-29 | 1976-04-29 | Porous ethylene tetrafluoride resin tube and method of its manufacturing |
| US05/751,876 US4082893A (en) | 1975-12-24 | 1976-12-17 | Porous polytetrafluoroethylene tubings and process of producing them |
| CA268,375A CA1046433A (fr) | 1975-12-24 | 1976-12-21 | Tubes poreux de polytetrafluoroethylene |
| DE2658656A DE2658656B2 (de) | 1975-12-24 | 1976-12-23 | Verfahren zum Herstellen eines porösen Polytetrafluoräthylenschlauches |
| FR7639090A FR2336622A1 (fr) | 1975-12-24 | 1976-12-24 | Tubulures en polytetrafluoroethylene poreux, et leur procede de preparation |
| GB5399176A GB1577326A (en) | 1976-04-29 | 1977-01-17 | Porous polytetrafluoroethylene tubing |
| US06/047,470 US4234535A (en) | 1976-04-29 | 1979-06-11 | Process for producing porous polytetrafluoroethylene tubings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4967176A JPS52132078A (en) | 1976-04-29 | 1976-04-29 | Porous ethylene tetrafluoride resin tube and method of its manufacturing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS52132078A JPS52132078A (en) | 1977-11-05 |
| JPS647856B2 true JPS647856B2 (fr) | 1989-02-10 |
Family
ID=12837624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4967176A Granted JPS52132078A (en) | 1975-12-24 | 1976-04-29 | Porous ethylene tetrafluoride resin tube and method of its manufacturing |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS52132078A (fr) |
| GB (1) | GB1577326A (fr) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4743480A (en) * | 1986-11-13 | 1988-05-10 | W. L. Gore & Associates, Inc. | Apparatus and method for extruding and expanding polytetrafluoroethylene tubing and the products produced thereby |
| JP5204384B2 (ja) * | 2006-05-19 | 2013-06-05 | 富士フイルム株式会社 | 結晶性ポリマー微孔性膜とその製造方法、および濾過用フィルター |
| JP5220369B2 (ja) * | 2007-09-04 | 2013-06-26 | 富士フイルム株式会社 | 結晶性ポリマー微孔性膜及びその製造方法、並びに濾過用フィルタ |
| JP2009066552A (ja) * | 2007-09-14 | 2009-04-02 | Chung Yuan Christian Univ | 非対称膜材の成形方法及びその装置 |
| KR102218062B1 (ko) * | 2018-10-18 | 2021-02-19 | 주식회사 엘지화학 | 불소계 수지 다공성 막 및 이의 제조방법 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE392582B (sv) * | 1970-05-21 | 1977-04-04 | Gore & Ass | Forfarande vid framstellning av ett porost material, genom expandering och streckning av en tetrafluoretenpolymer framstelld i ett pastabildande strengsprutningsforfarande |
| JPS5755063Y2 (fr) * | 1974-01-30 | 1982-11-29 |
-
1976
- 1976-04-29 JP JP4967176A patent/JPS52132078A/ja active Granted
-
1977
- 1977-01-17 GB GB5399176A patent/GB1577326A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS52132078A (en) | 1977-11-05 |
| GB1577326A (en) | 1980-10-22 |
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