CA1316312C - Fluoropolymer working - Google Patents
Fluoropolymer workingInfo
- Publication number
- CA1316312C CA1316312C CA000530184A CA530184A CA1316312C CA 1316312 C CA1316312 C CA 1316312C CA 000530184 A CA000530184 A CA 000530184A CA 530184 A CA530184 A CA 530184A CA 1316312 C CA1316312 C CA 1316312C
- Authority
- CA
- Canada
- Prior art keywords
- ribbon
- sintering
- stretched
- temperature
- foil
- 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 - Fee Related
Links
- 229920002313 fluoropolymer Polymers 0.000 title claims abstract description 13
- 239000004811 fluoropolymer Substances 0.000 title claims abstract description 13
- 239000011888 foil Substances 0.000 claims abstract description 41
- 238000005245 sintering Methods 0.000 claims abstract description 22
- 239000000314 lubricant Substances 0.000 claims abstract description 14
- 238000001035 drying Methods 0.000 claims abstract description 8
- 238000004519 manufacturing process Methods 0.000 claims abstract description 8
- 239000000843 powder Substances 0.000 claims abstract description 8
- 238000002844 melting Methods 0.000 claims abstract description 7
- 230000008018 melting Effects 0.000 claims abstract description 7
- 239000007787 solid Substances 0.000 claims abstract description 4
- 229920002959 polymer blend Polymers 0.000 claims abstract 2
- 238000000034 method Methods 0.000 claims description 28
- 229920000642 polymer Polymers 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 6
- -1 polytetrafluoroethylene Polymers 0.000 claims description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims 2
- 239000000463 material Substances 0.000 description 9
- 239000000047 product Substances 0.000 description 7
- 239000004020 conductor Substances 0.000 description 6
- 238000001125 extrusion Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 206010038776 Retching Diseases 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010297 mechanical methods and process Methods 0.000 description 2
- 230000005226 mechanical processes and functions Effects 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000037303 wrinkles Effects 0.000 description 2
- 238000000137 annealing Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 230000003467 diminishing effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000001356 surgical procedure 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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3605588 | 1986-02-21 | ||
| DEP3605588.3 | 1986-02-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1316312C true CA1316312C (en) | 1993-04-20 |
Family
ID=6294618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000530184A Expired - Fee Related CA1316312C (en) | 1986-02-21 | 1987-02-20 | Fluoropolymer working |
Country Status (12)
| Country | Link |
|---|---|
| JP (1) | JPS62205136A (it) |
| CN (1) | CN87100900A (it) |
| AU (2) | AU6910087A (it) |
| BE (1) | BE1001311A3 (it) |
| BR (1) | BR8700796A (it) |
| CA (1) | CA1316312C (it) |
| CH (1) | CH672094A5 (it) |
| FR (1) | FR2594744B1 (it) |
| GB (1) | GB2187460B (it) |
| IT (1) | IT1202444B (it) |
| NL (1) | NL8700379A (it) |
| SE (1) | SE8700684L (it) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2074349C (en) * | 1991-07-23 | 2004-04-20 | Shinji Tamaru | Polytetrafluoroethylene porous film and preparation and use thereof |
| US5466509A (en) * | 1993-01-15 | 1995-11-14 | Impra, Inc. | Textured, porous, expanded PTFE |
| WO1994019170A1 (en) * | 1993-02-18 | 1994-09-01 | W.L. Gore & Associates, Inc. | Macroscopically perforated porous polytetrafluoroethylene materials |
| 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 |
| CN112088041A (zh) * | 2018-05-15 | 2020-12-15 | 住友电气工业株式会社 | 中空纤维膜和制造中空纤维膜的方法 |
| US11410800B2 (en) | 2018-07-31 | 2022-08-09 | Commscope Technologies Llc | Low cost extrudable isolator from slit-tape |
| WO2020027962A1 (en) | 2018-07-31 | 2020-02-06 | Commscope Technologies Llc | High strength dielectric member for a communications cable |
| 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 |
| 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 |
| 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− |
| CA1277474C (en) * | 1985-04-02 | 1990-12-11 | Norman Ralph Harlow | Manufacture of low density, sintered polytetrafluoroethylene articles |
-
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 GB GB8704045A patent/GB2187460B/en not_active Expired - Lifetime
- 1987-02-20 FR FR878702230A patent/FR2594744B1/fr not_active Expired - Lifetime
- 1987-02-20 JP JP62035976A patent/JPS62205136A/ja active Pending
- 1987-02-20 AU AU69100/87A patent/AU6910087A/en not_active Abandoned
- 1987-02-20 CN CN198787100900A patent/CN87100900A/zh active Pending
- 1987-02-20 CA CA000530184A patent/CA1316312C/en not_active Expired - Fee Related
- 1987-02-20 BR BR8700796A patent/BR8700796A/pt unknown
-
1990
- 1990-11-13 AU AU66596/90A patent/AU6659690A/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| BE1001311A3 (fr) | 1989-09-26 |
| CH672094A5 (it) | 1989-10-31 |
| GB2187460A (en) | 1987-09-09 |
| AU6910087A (en) | 1987-08-27 |
| GB2187460B (en) | 1990-09-12 |
| CN87100900A (zh) | 1987-09-09 |
| SE8700684L (sv) | 1987-08-22 |
| FR2594744B1 (fr) | 1990-06-08 |
| GB8704045D0 (en) | 1987-03-25 |
| AU6659690A (en) | 1991-02-21 |
| FR2594744A1 (fr) | 1987-08-28 |
| IT8719195A0 (it) | 1987-01-29 |
| NL8700379A (nl) | 1987-09-16 |
| JPS62205136A (ja) | 1987-09-09 |
| IT1202444B (it) | 1989-02-09 |
| BR8700796A (pt) | 1987-12-15 |
| SE8700684D0 (sv) | 1987-02-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKLA | Lapsed |