IT8719195A0 - Procedimento per produrre corpi sagomati, porosi di forma allungata. - Google Patents
Procedimento per produrre corpi sagomati, porosi di forma allungata.Info
- Publication number
- IT8719195A0 IT8719195A0 IT8719195A IT1919587A IT8719195A0 IT 8719195 A0 IT8719195 A0 IT 8719195A0 IT 8719195 A IT8719195 A IT 8719195A IT 1919587 A IT1919587 A IT 1919587A IT 8719195 A0 IT8719195 A0 IT 8719195A0
- Authority
- IT
- Italy
- Prior art keywords
- procedure
- porous bodies
- extended shape
- producing shaped
- producing
- Prior art date
Links
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 (2)
Publication Number | Publication Date |
---|---|
IT8719195A0 true IT8719195A0 (it) | 1987-01-29 |
IT1202444B IT1202444B (it) | 1989-02-09 |
Family
ID=6294618
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT19195/87A IT1202444B (it) | 1986-02-21 | 1987-01-29 | Procedimento per produrre corpi sagomati,porosi di forma allungata |
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 |
EP3830845A1 (en) * | 2018-07-31 | 2021-06-09 | 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 AU AU69100/87A patent/AU6910087A/en not_active Abandoned
- 1987-02-20 CA CA000530184A patent/CA1316312C/en not_active Expired - Fee Related
- 1987-02-20 JP JP62035976A patent/JPS62205136A/ja active Pending
- 1987-02-20 CN CN198787100900A patent/CN87100900A/zh active Pending
- 1987-02-20 BR BR8700796A patent/BR8700796A/pt unknown
- 1987-02-20 FR FR878702230A patent/FR2594744B1/fr not_active Expired - Lifetime
- 1987-02-20 GB GB8704045A patent/GB2187460B/en not_active Expired - Lifetime
-
1990
- 1990-11-13 AU AU66596/90A patent/AU6659690A/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
GB2187460B (en) | 1990-09-12 |
JPS62205136A (ja) | 1987-09-09 |
GB2187460A (en) | 1987-09-09 |
FR2594744B1 (fr) | 1990-06-08 |
SE8700684L (sv) | 1987-08-22 |
CH672094A5 (it) | 1989-10-31 |
AU6659690A (en) | 1991-02-21 |
BE1001311A3 (fr) | 1989-09-26 |
AU6910087A (en) | 1987-08-27 |
GB8704045D0 (en) | 1987-03-25 |
FR2594744A1 (fr) | 1987-08-28 |
CA1316312C (en) | 1993-04-20 |
SE8700684D0 (sv) | 1987-02-19 |
NL8700379A (nl) | 1987-09-16 |
IT1202444B (it) | 1989-02-09 |
BR8700796A (pt) | 1987-12-15 |
CN87100900A (zh) | 1987-09-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970130 |