SE387886B - Forfarande for framstellning av en poros film av polytetrafluoreten - Google Patents
Forfarande for framstellning av en poros film av polytetrafluoretenInfo
- Publication number
- SE387886B SE387886B SE7403615A SE7403615A SE387886B SE 387886 B SE387886 B SE 387886B SE 7403615 A SE7403615 A SE 7403615A SE 7403615 A SE7403615 A SE 7403615A SE 387886 B SE387886 B SE 387886B
- Authority
- SE
- Sweden
- Prior art keywords
- polytetrafluoroetene
- poros
- movie
- procedure
- making
- Prior art date
Links
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0002—Organic membrane manufacture
- B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
- B01D67/0025—Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching
- B01D67/0027—Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching by stretching
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/006—Pressing and sintering powders, granules or fibres
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
-
- 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
-
- 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
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
- B29C43/24—Calendering
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
-
- 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
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3083473A JPS5140902B2 (sv) | 1973-03-19 | 1973-03-19 | |
JP3083373A JPS5330748B2 (sv) | 1973-03-19 | 1973-03-19 | |
JP48030832A JPS49118760A (sv) | 1973-03-19 | 1973-03-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
SE387886B true SE387886B (sv) | 1976-09-20 |
Family
ID=27287109
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7403615A SE387886B (sv) | 1973-03-19 | 1974-03-18 | Forfarande for framstellning av en poros film av polytetrafluoreten |
Country Status (7)
Country | Link |
---|---|
AU (1) | AU470481B2 (sv) |
CA (1) | CA1033132A (sv) |
DE (1) | DE2413221C3 (sv) |
FR (1) | FR2222200B1 (sv) |
GB (1) | GB1475316A (sv) |
IT (1) | IT1015859B (sv) |
SE (1) | SE387886B (sv) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6436135B1 (en) | 1974-10-24 | 2002-08-20 | David Goldfarb | Prosthetic vascular graft |
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 |
CA1147109A (en) * | 1978-11-30 | 1983-05-31 | Hiroshi Mano | Porous structure of polytetrafluoroethylene and process for production thereof |
JPS587334A (ja) * | 1981-07-04 | 1983-01-17 | Sumitomo Electric Ind Ltd | 紐状多孔質体の製造方法 |
JPS58145735A (ja) * | 1982-02-22 | 1983-08-30 | Daikin Ind Ltd | ポリテトラフルオロエチレン多孔体の製造方法 |
GB8613015D0 (en) * | 1986-05-29 | 1986-07-02 | Thomas T R | Porous ptfe |
US4877661A (en) * | 1987-10-19 | 1989-10-31 | W. L. Gore & Associates, Inc. | Rapidly recoverable PTFE and process therefore |
GB2211190A (en) * | 1987-10-19 | 1989-06-28 | Gore & Ass | Rapid recoverable ptfe and a process for its manufacture |
US5026513A (en) * | 1987-10-19 | 1991-06-25 | W. L. Gore & Associates, Inc. | Process for making rapidly recoverable PTFE |
JPH07119053B2 (ja) * | 1988-06-03 | 1995-12-20 | 旭硝子株式会社 | 充填材入りポリテトラフルオロエチレン成形方法 |
US5677031A (en) * | 1990-03-31 | 1997-10-14 | W. L. Gore & Associates, Inc. | Porous PTFE structures |
GB9007304D0 (en) * | 1990-03-31 | 1990-05-30 | Gore W L & Ass Uk | Filter element |
WO2006058233A1 (en) | 2004-11-24 | 2006-06-01 | Donaldson Company, Inc. | Ptfe membrane |
CN114770992A (zh) * | 2022-04-22 | 2022-07-22 | 睿得新材料科技(佛山)有限公司 | 聚四氟乙烯拉伸带的制备方法、拉伸带及制备装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1049584A (en) * | 1963-03-29 | 1966-11-30 | Tri Point Ind Inc | Improvements in or relating to laminates |
DE1704663A1 (de) * | 1967-12-12 | 1971-09-23 | Hoechst Ag | Verfahren zur Sinterung von Polytetrafluoraethylen-Folien |
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 |
-
1974
- 1974-03-18 SE SE7403615A patent/SE387886B/sv not_active IP Right Cessation
- 1974-03-19 CA CA195,441A patent/CA1033132A/en not_active Expired
- 1974-03-19 GB GB1218974A patent/GB1475316A/en not_active Expired
- 1974-03-19 AU AU66850/74A patent/AU470481B2/en not_active Expired
- 1974-03-19 DE DE2413221A patent/DE2413221C3/de not_active Expired
- 1974-03-19 FR FR7409286A patent/FR2222200B1/fr not_active Expired
- 1974-03-21 IT IT49422/74A patent/IT1015859B/it active
Also Published As
Publication number | Publication date |
---|---|
AU470481B2 (en) | 1976-03-18 |
DE2413221C3 (de) | 1982-10-21 |
IT1015859B (it) | 1977-05-20 |
AU6685074A (en) | 1975-09-25 |
GB1475316A (en) | 1977-06-01 |
DE2413221A1 (de) | 1974-10-17 |
FR2222200A1 (sv) | 1974-10-18 |
FR2222200B1 (sv) | 1977-06-17 |
DE2413221B2 (de) | 1977-07-07 |
CA1033132A (en) | 1978-06-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
Ref document number: 7403615-3 Effective date: 19940410 Format of ref document f/p: F |