DE2756630C2 - Verfahren zur Herstellung eines Gegenstandes aus Polytetrafluoräthylen durch Pastenextrusion - Google Patents
Verfahren zur Herstellung eines Gegenstandes aus Polytetrafluoräthylen durch PastenextrusionInfo
- Publication number
- DE2756630C2 DE2756630C2 DE2756630A DE2756630A DE2756630C2 DE 2756630 C2 DE2756630 C2 DE 2756630C2 DE 2756630 A DE2756630 A DE 2756630A DE 2756630 A DE2756630 A DE 2756630A DE 2756630 C2 DE2756630 C2 DE 2756630C2
- Authority
- DE
- Germany
- Prior art keywords
- mass
- extruded
- surface layer
- extrusion
- lubricant
- 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
- 238000001125 extrusion Methods 0.000 title claims description 33
- 229920001343 polytetrafluoroethylene Polymers 0.000 title claims description 30
- 239000004810 polytetrafluoroethylene Substances 0.000 title claims description 30
- 238000000034 method Methods 0.000 title claims description 20
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- -1 polytetrafluoroethylene Polymers 0.000 title claims description 6
- 230000008569 process Effects 0.000 title description 8
- 239000000843 powder Substances 0.000 claims description 29
- 239000002344 surface layer Substances 0.000 claims description 24
- 239000000314 lubricant Substances 0.000 claims description 23
- 238000000465 moulding Methods 0.000 claims description 9
- 238000001704 evaporation Methods 0.000 claims description 8
- 230000008020 evaporation Effects 0.000 claims description 8
- 239000000835 fiber Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000000227 grinding Methods 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 19
- 239000000463 material Substances 0.000 description 10
- 238000005245 sintering Methods 0.000 description 10
- 238000001035 drying Methods 0.000 description 9
- 239000000945 filler Substances 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 239000010687 lubricating oil Substances 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000012634 fragment Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007720 emulsion polymerization reaction Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 239000006082 mold release agent Substances 0.000 description 1
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 description 1
- 229910052982 molybdenum disulfide Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Classifications
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/94—Lubricating
- B29C48/95—Lubricating by adding lubricant to the moulding 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
- 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
- B29C48/06—Rod-shaped
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Molding Of Porous Articles (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15726076A JPS5380466A (en) | 1976-12-25 | 1976-12-25 | Method of production of extruded form of tetrafluoroethylene resin paste |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2756630A1 DE2756630A1 (de) | 1978-06-29 |
| DE2756630C2 true DE2756630C2 (de) | 1982-02-11 |
Family
ID=15645754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2756630A Expired DE2756630C2 (de) | 1976-12-25 | 1977-12-19 | Verfahren zur Herstellung eines Gegenstandes aus Polytetrafluoräthylen durch Pastenextrusion |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4145385A (OSRAM) |
| JP (1) | JPS5380466A (OSRAM) |
| DE (1) | DE2756630C2 (OSRAM) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE9014506U1 (de) * | 1990-10-19 | 1991-01-10 | WK Worek Kunststofftechnik GmbH, 91325 Adelsdorf | Vorrichtung zum Herstellen von Schläuchen oder Rohren aus PTFE |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5110526A (en) * | 1988-09-22 | 1992-05-05 | Nippon Valqua Industries, Ltd. | Process for producing molded articles of polytetrafluoroethylene resin |
| US5399307A (en) * | 1993-06-18 | 1995-03-21 | Dalton; Robert E. | Methods of compression molding two or more polytetrafluoroethylene resin layers |
| ES2161299T3 (es) * | 1994-09-23 | 2001-12-01 | Impra Inc | Injerto vascular que contiene carbono y procedimiento para su produccion. |
| JP4466368B2 (ja) * | 2002-05-02 | 2010-05-26 | 住友電気工業株式会社 | 延伸ポリテトラフルオロエチレン成形体とその製造方法 |
| JP4213167B2 (ja) * | 2006-03-24 | 2009-01-21 | 日本バルカー工業株式会社 | 充填材入りフッ素樹脂シートの製造方法 |
| US8087923B1 (en) | 2007-05-18 | 2012-01-03 | C. R. Bard, Inc. | Extremely thin-walled ePTFE |
| FR2977523B1 (fr) | 2011-07-04 | 2013-08-16 | Mersen France Py Sas | Procede de fabrication de pieces en polytetrafluoroethylene |
| KR101813643B1 (ko) * | 2012-08-22 | 2018-01-30 | 에스프린팅솔루션 주식회사 | 박막 저항 발열층 형성 방법, 박막 저항 발열층을 구비하는 가열 부재, 이를 채용한 정착 장치 및 화상형성장치 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2752637A (en) * | 1954-07-01 | 1956-07-03 | Resistoflex Corp | Extrusion of polytetrafluoroethylene |
| US3295166A (en) * | 1963-07-24 | 1967-01-03 | Du Pont | Apparatus for extruding polytetrafluoroethylene tubing and wire coating |
| US3333032A (en) * | 1963-11-12 | 1967-07-25 | Union Carbide Corp | Treated polymer surfaces of shaped articles |
| US3313642A (en) * | 1964-01-17 | 1967-04-11 | Thomas Bonar & Co Canada Ltd | Process of modifying the surface properties of polyolefin film |
| US3196194A (en) * | 1964-06-04 | 1965-07-20 | Pennsylvania Fluorocarbon Co I | Fep-fluorocarbon tubing process |
-
1976
- 1976-12-25 JP JP15726076A patent/JPS5380466A/ja active Granted
-
1977
- 1977-12-15 US US05/860,889 patent/US4145385A/en not_active Expired - Lifetime
- 1977-12-19 DE DE2756630A patent/DE2756630C2/de not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE9014506U1 (de) * | 1990-10-19 | 1991-01-10 | WK Worek Kunststofftechnik GmbH, 91325 Adelsdorf | Vorrichtung zum Herstellen von Schläuchen oder Rohren aus PTFE |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2756630A1 (de) | 1978-06-29 |
| JPS5735100B2 (OSRAM) | 1982-07-27 |
| US4145385A (en) | 1979-03-20 |
| JPS5380466A (en) | 1978-07-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| D2 | Grant after examination | ||
| 8339 | Ceased/non-payment of the annual fee |