CA1192361A - Process for the production of string-like porous material - Google Patents
Process for the production of string-like porous materialInfo
- Publication number
- CA1192361A CA1192361A CA000406631A CA406631A CA1192361A CA 1192361 A CA1192361 A CA 1192361A CA 000406631 A CA000406631 A CA 000406631A CA 406631 A CA406631 A CA 406631A CA 1192361 A CA1192361 A CA 1192361A
- Authority
- CA
- Canada
- Prior art keywords
- string
- rolls
- stretching
- temperature
- polytetrafluoroethylene
- 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
- 238000000034 method Methods 0.000 title claims abstract description 24
- 239000011148 porous material Substances 0.000 title claims description 16
- 238000004519 manufacturing process Methods 0.000 title description 4
- 238000010438 heat treatment Methods 0.000 claims abstract description 20
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 19
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 18
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 18
- 239000010687 lubricating oil Substances 0.000 claims abstract description 6
- 238000000465 moulding Methods 0.000 claims abstract description 6
- 238000005245 sintering Methods 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 41
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 229940058401 polytetrafluoroethylene Drugs 0.000 abstract description 12
- 239000003208 petroleum Substances 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 206010038776 Retching Diseases 0.000 description 2
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 229960002415 trichloroethylene Drugs 0.000 description 2
- UBOXGVDOUJQMTN-UHFFFAOYSA-N trichloroethylene Natural products ClCC(Cl)Cl UBOXGVDOUJQMTN-UHFFFAOYSA-N 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- XUCNUKMRBVNAPB-UHFFFAOYSA-N fluoroethene Chemical group FC=C XUCNUKMRBVNAPB-UHFFFAOYSA-N 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- GFWRVVCDTLRWPK-KPKJPENVSA-N sofalcone Chemical compound C1=CC(OCC=C(C)C)=CC=C1\C=C\C(=O)C1=CC=C(OCC=C(C)C)C=C1OCC(O)=O GFWRVVCDTLRWPK-KPKJPENVSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D01F6/08—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polymers of halogenated hydrocarbons
- D01F6/12—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polymers of halogenated hydrocarbons from polymers of fluorinated hydrocarbons
-
- 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
- B29C67/205—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 surface fusion, and bonding of particles to form voids, e.g. sintering
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/12—Stretch-spinning methods
- D01D5/16—Stretch-spinning methods using rollers, or like mechanical devices, e.g. snubbing pins
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/24—Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Molding Of Porous Articles (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP104758/81 | 1981-07-04 | ||
| JP56104758A JPS587334A (ja) | 1981-07-04 | 1981-07-04 | 紐状多孔質体の製造方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1192361A true CA1192361A (en) | 1985-08-27 |
Family
ID=14389382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000406631A Expired CA1192361A (en) | 1981-07-04 | 1982-07-05 | Process for the production of string-like porous material |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4496507A (enExample) |
| EP (1) | EP0069577B1 (enExample) |
| JP (1) | JPS587334A (enExample) |
| CA (1) | CA1192361A (enExample) |
| DE (1) | DE3276122D1 (enExample) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59109534A (ja) * | 1982-12-14 | 1984-06-25 | Nitto Electric Ind Co Ltd | ポリテトラフルオロエチレン多孔質体 |
| JPS61144333A (ja) * | 1984-12-18 | 1986-07-02 | Nok Corp | ポリテトラフルオロエチレン多孔質体の製造法 |
| FR2628029B1 (fr) * | 1988-03-04 | 1990-06-08 | Rebichon Signode | Dispositif d'etirage d'un film de matiere plastique |
| JPH026832A (ja) * | 1988-06-24 | 1990-01-11 | Daikin Ind Ltd | 多孔質ポリテトラフルオロエチレン中空糸及びその製法 |
| JP2881939B2 (ja) * | 1990-04-06 | 1999-04-12 | 住友電気工業株式会社 | 手術用縫合糸及びその製造方法 |
| DE69325649T2 (de) * | 1992-03-13 | 1999-11-18 | Atrium Medical Corp., Hollis | Gegenstände aus expandiertem fluorpolymer (z. b. polytetrafluorethylen) mit komtrolliert eingestellter porosität, sowie seine herstellung |
| US5638589A (en) * | 1993-02-04 | 1997-06-17 | Phillips; Edwin D. | Shoelace and method of making the same |
| JPH07102413A (ja) * | 1993-09-16 | 1995-04-18 | Japan Gore Tex Inc | ポリテトラフルオロエチレン糸状物 |
| CA2189662C (en) | 1994-05-06 | 2004-12-14 | William M. Colone | Radially expandable polytetrafluoroethylene |
| EP0767684B1 (en) * | 1994-06-27 | 2005-05-25 | Bard Peripheral Vascular, Inc. | Radially expandable polytetrafluoroethylene and expandable endovascular stents formed therewith |
| CN101961609B (zh) * | 2010-10-15 | 2013-02-06 | 浙江理工大学 | 一种聚四氟乙烯中空纤维拉伸装置 |
| US20180057974A1 (en) * | 2015-03-31 | 2018-03-01 | Toray Industries, Inc. | Hollow fiber membrane manufacturing method |
| MX392654B (es) * | 2015-12-11 | 2025-03-24 | Kimberly Clark Co | Metodo para formar fibras porosas. |
| CN120311379B (zh) * | 2025-06-16 | 2025-09-09 | 浙江理工大学 | 一种聚四氟乙烯缝合线及其制备方法 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1410366A1 (de) * | 1959-10-02 | 1968-10-17 | Baussmann Dipl Ing Walter | Vorrichtung zur Heissverstreckung von synthetischen Faeden |
| FR1398746A (fr) * | 1963-09-11 | 1965-05-14 | Dispositif pour l'étirage à chaud des fils notamment des fils textiles synthétiques | |
| US3962153A (en) * | 1970-05-21 | 1976-06-08 | W. L. Gore & Associates, Inc. | Very highly stretched polytetrafluoroethylene and process therefor |
| 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 |
| US3978192A (en) * | 1971-09-23 | 1976-08-31 | Sussman Martin V | Method of drawing fibers using a microterraced drawing surface |
| SE387886B (sv) * | 1973-03-19 | 1976-09-20 | Sumitomo Electric Industries | Forfarande for framstellning av en poros film av polytetrafluoreten |
| US3930969A (en) * | 1974-06-28 | 1976-01-06 | Cyprus Metallurgical Processes Corporation | Process for oxidizing metal sulfides to elemental sulfur using activated carbon |
| GB1510553A (en) * | 1976-05-12 | 1978-05-10 | Standard Hose Ltd | Monofilament polytetrafluoroethylene fibre yarn |
| JPS603842B2 (ja) * | 1976-09-03 | 1985-01-31 | 住友電気工業株式会社 | 非対称孔径薄膜材料とその製造方法 |
| US4110392A (en) * | 1976-12-17 | 1978-08-29 | W. L. Gore & Associates, Inc. | Production of porous sintered PTFE products |
| CA1123566A (en) * | 1977-02-09 | 1982-05-18 | Eckhard C.A. Schwarz | Process and apparatus for stretching a tubularly-formed sheet of a thermoplastic material and the product produced thereby |
| GB2025835B (en) * | 1978-05-31 | 1982-10-27 | Nitto Electric Ind Co | Producing a porous polytetrafluorethylene article |
-
1981
- 1981-07-04 JP JP56104758A patent/JPS587334A/ja active Granted
-
1982
- 1982-07-02 US US06/394,958 patent/US4496507A/en not_active Expired - Fee Related
- 1982-07-05 CA CA000406631A patent/CA1192361A/en not_active Expired
- 1982-07-05 DE DE8282303523T patent/DE3276122D1/de not_active Expired
- 1982-07-05 EP EP82303523A patent/EP0069577B1/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| EP0069577A2 (en) | 1983-01-12 |
| US4496507A (en) | 1985-01-29 |
| EP0069577B1 (en) | 1987-04-22 |
| JPH0218977B2 (enExample) | 1990-04-27 |
| JPS587334A (ja) | 1983-01-17 |
| EP0069577A3 (en) | 1984-06-27 |
| DE3276122D1 (en) | 1987-05-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |