CH672094A5 - - Google Patents
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- Publication number
- CH672094A5 CH672094A5 CH508/87A CH50887A CH672094A5 CH 672094 A5 CH672094 A5 CH 672094A5 CH 508/87 A CH508/87 A CH 508/87A CH 50887 A CH50887 A CH 50887A CH 672094 A5 CH672094 A5 CH 672094A5
- Authority
- CH
- Switzerland
- Prior art keywords
- stretched
- film
- tape
- lubricant
- stretching
- Prior art date
Links
- 238000000034 method Methods 0.000 claims description 21
- 239000000314 lubricant Substances 0.000 claims description 17
- 239000011888 foil Substances 0.000 claims description 16
- 229920000642 polymer Polymers 0.000 claims description 12
- 238000001035 drying Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 229920002313 fluoropolymer Polymers 0.000 claims description 7
- 239000004811 fluoropolymer Substances 0.000 claims description 7
- 238000001125 extrusion Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 2
- 239000000155 melt Substances 0.000 claims description 2
- -1 polytetrafluoroethylene Polymers 0.000 claims description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- 238000005245 sintering Methods 0.000 description 16
- 238000005452 bending Methods 0.000 description 4
- 239000002861 polymer material Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000037303 wrinkles Effects 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- C08J9/24—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by surface fusion and bonding of particles to form voids, e.g. sintering
-
- 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
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/005—Shaping by stretching, e.g. drawing through a die; Apparatus therefor characterised by the choice of materials
-
- 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
- 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
-
- 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
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B19/00—Apparatus or processes specially adapted for manufacturing insulators or insulating bodies
- H01B19/02—Drying; Impregnating
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
- H01B3/443—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from vinylhalogenides or other halogenoethylenic compounds
- H01B3/445—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from vinylhalogenides or other halogenoethylenic compounds from vinylfluorides or other fluoroethylenic compounds
-
- 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
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
-
- 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
- B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
- B29K2027/12—Use of polyvinylhalogenides or derivatives thereof as moulding material containing fluorine
- B29K2027/18—PTFE, i.e. polytetrafluorethene, e.g. ePTFE, i.e. expanded polytetrafluorethene
-
- 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
- C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/12—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08J2327/18—Homopolymers or copolymers of tetrafluoroethylene
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Polymers & Plastics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3605588 | 1986-02-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH672094A5 true CH672094A5 (fr) | 1989-10-31 |
Family
ID=6294618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH508/87A CH672094A5 (fr) | 1986-02-21 | 1987-02-11 |
Country Status (12)
| Country | Link |
|---|---|
| JP (1) | JPS62205136A (fr) |
| CN (1) | CN87100900A (fr) |
| AU (2) | AU6910087A (fr) |
| BE (1) | BE1001311A3 (fr) |
| BR (1) | BR8700796A (fr) |
| CA (1) | CA1316312C (fr) |
| CH (1) | CH672094A5 (fr) |
| FR (1) | FR2594744B1 (fr) |
| GB (1) | GB2187460B (fr) |
| IT (1) | IT1202444B (fr) |
| NL (1) | NL8700379A (fr) |
| SE (1) | SE8700684L (fr) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2074349C (fr) * | 1991-07-23 | 2004-04-20 | Shinji Tamaru | Pellicule poreuse de polytetrafluoroethylene, preparation et utilisation |
| US5466509A (en) * | 1993-01-15 | 1995-11-14 | Impra, Inc. | Textured, porous, expanded PTFE |
| JPH08506777A (ja) * | 1993-02-18 | 1996-07-23 | ダブリュ．エル．ゴア アンド アソシエイツ，インコーポレイティド | 巨視的に穿孔された多孔質ポリテトラフルオロエチレン材料 |
| DE4309779A1 (de) * | 1993-03-25 | 1994-09-29 | Herding Entstaubung | Festbett-Bioreaktor zur Reinigung von Fluiden mit Hilfe von Mikroorganismen, Trägerkörper für Festbett-Bioreaktoren sowie Verfahren zu deren Herstellung |
| CN1107747C (zh) * | 1999-08-10 | 2003-05-07 | 四川大学 | 高压烧结合成聚合物大尺寸晶体的方法 |
| JP5658860B2 (ja) * | 2008-05-12 | 2015-01-28 | 日東電工株式会社 | ポリテトラフルオロエチレン多孔質膜およびその製造方法ならびに濾材 |
| CN102151493A (zh) * | 2011-03-18 | 2011-08-17 | 上腾新材料科技（苏州）有限公司 | 一种纳米级聚四氟乙烯微孔膜的制备方法 |
| WO2019220694A1 (fr) * | 2018-05-15 | 2019-11-21 | 住友電気工業株式会社 | Membrane à fibres creuses et procédé de production d'une membrane à fibres creuses |
| US11410800B2 (en) | 2018-07-31 | 2022-08-09 | Commscope Technologies Llc | Low cost extrudable isolator from slit-tape |
| WO2020027962A1 (fr) * | 2018-07-31 | 2020-02-06 | Commscope Technologies Llc | Élément diélectrique à haute résistance pour câble de communication |
| CN112023715A (zh) * | 2020-08-26 | 2020-12-04 | 北京中科沃特膜科技有限公司 | 一种高孔隙率的聚四氟乙烯中空纤维膜制备方法 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4049589A (en) * | 1973-03-19 | 1977-09-20 | Sumitomo Electric Industries, Ltd. | Porous films of polytetrafluoroethylene and process for producing said films |
| US4234535A (en) * | 1976-04-29 | 1980-11-18 | Sumitomo Electric Industries, Ltd. | Process for producing porous polytetrafluoroethylene tubings |
| GB2025835B (en) * | 1978-05-31 | 1982-10-27 | Nitto Electric Ind Co | Producing a porous polytetrafluorethylene article |
| JPS5825368B2 (ja) * | 1979-02-14 | 1983-05-27 | 日東電工株式会社 | 多孔質ポリテトラフルオロエチレンフィルムの製造法 |
| DE3020622C2 (de) * | 1980-05-30 | 1985-05-15 | W.L. Gore & Associates, Inc., Newark, Del. | Bandkabel und Verfahren zu seiner Herstellung |
| JPS58119834A (ja) * | 1982-01-11 | 1983-07-16 | Nitto Electric Ind Co Ltd | 多孔質ポリテトラフルオロエチレンフイルムの製造法 |
| JPS59109506A (ja) * | 1982-12-14 | 1984-06-25 | Daikin Ind Ltd | 新規なポリテトラフルオロエチレン・フアインパウダ− |
| 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 |
| CA1277474C (fr) * | 1985-04-02 | 1990-12-11 | Norman Ralph Harlow | Fabrication d'articles frittes faible densite a base de polytetrafluoroethylene |
-
1987
- 1987-01-29 IT IT19195/87A patent/IT1202444B/it active
- 1987-02-11 CH CH508/87A patent/CH672094A5/de not_active IP Right Cessation
- 1987-02-13 BE BE8700119A patent/BE1001311A3/fr not_active IP Right Cessation
- 1987-02-16 NL NL8700379A patent/NL8700379A/nl not_active Application Discontinuation
- 1987-02-19 SE SE8700684A patent/SE8700684L/xx not_active Application Discontinuation
- 1987-02-20 JP JP62035976A patent/JPS62205136A/ja active Pending
- 1987-02-20 GB GB8704045A patent/GB2187460B/en not_active Expired - Lifetime
- 1987-02-20 BR BR8700796A patent/BR8700796A/pt unknown
- 1987-02-20 FR FR878702230A patent/FR2594744B1/fr not_active Expired - Lifetime
- 1987-02-20 CA CA000530184A patent/CA1316312C/fr not_active Expired - Fee Related
- 1987-02-20 CN CN198787100900A patent/CN87100900A/zh active Pending
- 1987-02-20 AU AU69100/87A patent/AU6910087A/en not_active Abandoned
-
1990
- 1990-11-13 AU AU66596/90A patent/AU6659690A/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| IT1202444B (it) | 1989-02-09 |
| AU6910087A (en) | 1987-08-27 |
| CA1316312C (fr) | 1993-04-20 |
| SE8700684D0 (sv) | 1987-02-19 |
| FR2594744B1 (fr) | 1990-06-08 |
| GB8704045D0 (en) | 1987-03-25 |
| JPS62205136A (ja) | 1987-09-09 |
| GB2187460A (en) | 1987-09-09 |
| IT8719195A0 (it) | 1987-01-29 |
| AU6659690A (en) | 1991-02-21 |
| BE1001311A3 (fr) | 1989-09-26 |
| GB2187460B (en) | 1990-09-12 |
| SE8700684L (sv) | 1987-08-22 |
| FR2594744A1 (fr) | 1987-08-28 |
| NL8700379A (nl) | 1987-09-16 |
| CN87100900A (zh) | 1987-09-09 |
| BR8700796A (pt) | 1987-12-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |