JPS6144656B2 - - Google Patents
Info
- Publication number
- JPS6144656B2 JPS6144656B2 JP57114033A JP11403382A JPS6144656B2 JP S6144656 B2 JPS6144656 B2 JP S6144656B2 JP 57114033 A JP57114033 A JP 57114033A JP 11403382 A JP11403382 A JP 11403382A JP S6144656 B2 JPS6144656 B2 JP S6144656B2
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- stretching
- molded product
- porous
- resin molded
- 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
- 239000011347 resin Substances 0.000 claims description 12
- 229920005989 resin Polymers 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 10
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims description 10
- 230000007704 transition Effects 0.000 claims description 7
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- 239000004810 polytetrafluoroethylene Substances 0.000 description 33
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 33
- 239000000047 product Substances 0.000 description 29
- 239000011148 porous material Substances 0.000 description 16
- 238000000034 method Methods 0.000 description 11
- 238000010304 firing Methods 0.000 description 10
- 238000001816 cooling Methods 0.000 description 8
- 239000010687 lubricating oil Substances 0.000 description 8
- 239000000843 powder Substances 0.000 description 7
- 230000005484 gravity Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 239000012528 membrane Substances 0.000 description 3
- 238000010583 slow cooling Methods 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000004566 IR spectroscopy Methods 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000002178 crystalline material Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000000635 electron micrograph Methods 0.000 description 1
- 238000007720 emulsion polymerization reaction Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 239000013081 microcrystal Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000011164 primary particle Substances 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 239000011163 secondary particle Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 238000004804 winding Methods 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
- 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
-
- 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
- B29K2027/18—PTFE, i.e. polytetrafluorethene, e.g. ePTFE, i.e. expanded polytetrafluorethene
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Molding Of Porous Articles (AREA)
- Artificial Filaments (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57114033A JPS595037A (ja) | 1982-07-02 | 1982-07-02 | 多孔質四弗化エチレン樹脂成型物の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57114033A JPS595037A (ja) | 1982-07-02 | 1982-07-02 | 多孔質四弗化エチレン樹脂成型物の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS595037A JPS595037A (ja) | 1984-01-11 |
| JPS6144656B2 true JPS6144656B2 (de) | 1986-10-03 |
Family
ID=14627344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57114033A Granted JPS595037A (ja) | 1982-07-02 | 1982-07-02 | 多孔質四弗化エチレン樹脂成型物の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS595037A (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010094579A (ja) | 2008-10-14 | 2010-04-30 | Sumitomo Electric Fine Polymer Inc | 多孔質フッ素樹脂薄膜の製造方法及び多孔質フッ素樹脂薄膜 |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5834433A (ja) * | 1981-08-25 | 1983-02-28 | Optrex Corp | 高信頼性電気光学素子及びその製法 |
| JPH0691995B2 (ja) * | 1985-03-09 | 1994-11-16 | 清水建設株式会社 | 廃水処理法 |
| JPS62244493A (ja) * | 1986-04-16 | 1987-10-24 | Totoku Electric Co Ltd | 水の循環浄化装置 |
| JPS62279920A (ja) * | 1986-05-28 | 1987-12-04 | Daikin Ind Ltd | 多孔質熱収縮性テトラフルオロエチレン重合体管及びその製造方法 |
| JPH0781736B2 (ja) * | 1987-07-23 | 1995-09-06 | 松下電器産業株式会社 | 遠隔操作装置 |
| DE3878899T2 (de) * | 1987-07-30 | 1993-07-22 | Toray Industries | Poroese polytetrafluoraethylen-membran, trennvorrichtung unter verwendung dieser membran sowie verfahren zur herstellung. |
| JP5177937B2 (ja) * | 2003-09-09 | 2013-04-10 | 財団法人神奈川科学技術アカデミー | スライド式バルブ装置 |
| JP5873389B2 (ja) * | 2012-05-16 | 2016-03-01 | 住友電工ファインポリマー株式会社 | 変性ポリテトラフロオロエチレン製微細孔径膜の製造方法 |
| JP6690101B2 (ja) * | 2016-05-19 | 2020-04-28 | 住友電工ファインポリマー株式会社 | フッ素樹脂コーティング体の製造方法 |
| CN110691811B (zh) * | 2017-05-31 | 2022-05-06 | 日东电工株式会社 | 聚四氟乙烯多孔膜 |
| JP2023051890A (ja) * | 2021-09-30 | 2023-04-11 | ダイキン工業株式会社 | ポリテトラフルオロエチレンファインパウダー |
-
1982
- 1982-07-02 JP JP57114033A patent/JPS595037A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010094579A (ja) | 2008-10-14 | 2010-04-30 | Sumitomo Electric Fine Polymer Inc | 多孔質フッ素樹脂薄膜の製造方法及び多孔質フッ素樹脂薄膜 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS595037A (ja) | 1984-01-11 |
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