FR2529506A1 - Film de polyester biaxialement oriente, son procede de preparation et son application comme support de bande magnetique - Google Patents
Film de polyester biaxialement oriente, son procede de preparation et son application comme support de bande magnetique Download PDFInfo
- Publication number
- FR2529506A1 FR2529506A1 FR8211465A FR8211465A FR2529506A1 FR 2529506 A1 FR2529506 A1 FR 2529506A1 FR 8211465 A FR8211465 A FR 8211465A FR 8211465 A FR8211465 A FR 8211465A FR 2529506 A1 FR2529506 A1 FR 2529506A1
- Authority
- FR
- France
- Prior art keywords
- film
- temperature
- transverse stretching
- polyester film
- transverse
- 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.)
- Granted
Links
- 229920006267 polyester film Polymers 0.000 title claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 title description 2
- 238000010438 heat treatment Methods 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims description 10
- 230000009477 glass transition Effects 0.000 claims description 8
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 7
- 238000002360 preparation method Methods 0.000 claims description 3
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims 2
- -1 polyethylene terephthalate Polymers 0.000 claims 2
- 229920000139 polyethylene terephthalate Polymers 0.000 claims 2
- 239000005020 polyethylene terephthalate Substances 0.000 claims 2
- 239000002202 Polyethylene glycol Substances 0.000 claims 1
- 229920001223 polyethylene glycol Polymers 0.000 claims 1
- 230000000063 preceeding effect Effects 0.000 claims 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 claims 1
- 238000009998 heat setting Methods 0.000 abstract description 2
- 235000015278 beef Nutrition 0.000 abstract 1
- 229920000728 polyester Polymers 0.000 description 4
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 229910052622 kaolinite Inorganic materials 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
- G11B5/739—Magnetic recording media substrates
- G11B5/73923—Organic polymer substrates
- G11B5/73927—Polyester substrates, e.g. polyethylene terephthalate
Landscapes
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8211465A FR2529506A1 (fr) | 1982-06-30 | 1982-06-30 | Film de polyester biaxialement oriente, son procede de preparation et son application comme support de bande magnetique |
| EP83420106A EP0099839A1 (fr) | 1982-06-30 | 1983-06-28 | Film de polyester biaxialement orienté, son procédé de préparation et son application comme support de bande magnétique |
| BR8303475A BR8303475A (pt) | 1982-06-30 | 1983-06-28 | Pelicula de poliester biaxialmente orientada e processo de preparacao da pelicula |
| JP58118048A JPS5948125A (ja) | 1982-06-30 | 1983-06-29 | 二軸配向ポリエステルフイルムおよびその製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8211465A FR2529506A1 (fr) | 1982-06-30 | 1982-06-30 | Film de polyester biaxialement oriente, son procede de preparation et son application comme support de bande magnetique |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2529506A1 true FR2529506A1 (fr) | 1984-01-06 |
| FR2529506B1 FR2529506B1 (OSRAM) | 1985-03-15 |
Family
ID=9275549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8211465A Granted FR2529506A1 (fr) | 1982-06-30 | 1982-06-30 | Film de polyester biaxialement oriente, son procede de preparation et son application comme support de bande magnetique |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0099839A1 (OSRAM) |
| JP (1) | JPS5948125A (OSRAM) |
| BR (1) | BR8303475A (OSRAM) |
| FR (1) | FR2529506A1 (OSRAM) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2640984B1 (OSRAM) * | 1988-12-28 | 1992-09-11 | Rhone Poulenc Films | |
| JPH0542596A (ja) * | 1991-08-16 | 1993-02-23 | Toyobo Co Ltd | 二軸配向ポリエチレンテレフタレート系フイルム |
| JP2007268859A (ja) * | 2006-03-31 | 2007-10-18 | Japan Steel Works Ltd:The | シート材の押出成形装置、シート材の押出成形方法、およびシート材 |
| JP5915102B2 (ja) * | 2011-11-11 | 2016-05-11 | 東レ株式会社 | 二軸配向ポリエステルフィルムおよび磁気記録媒体 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2995779A (en) * | 1959-03-12 | 1961-08-15 | Du Pont | Treatment for polymeric film to restrain gauge variation |
| FR1345217A (fr) * | 1961-11-21 | 1963-12-06 | Du Pont | Procédé d'étirage de pellicules en polyesters |
| US3432591A (en) * | 1966-10-21 | 1969-03-11 | Du Pont | Biaxially oriented heat set film of high molecular weight polyethylene terephthalate |
-
1982
- 1982-06-30 FR FR8211465A patent/FR2529506A1/fr active Granted
-
1983
- 1983-06-28 BR BR8303475A patent/BR8303475A/pt unknown
- 1983-06-28 EP EP83420106A patent/EP0099839A1/fr not_active Withdrawn
- 1983-06-29 JP JP58118048A patent/JPS5948125A/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2995779A (en) * | 1959-03-12 | 1961-08-15 | Du Pont | Treatment for polymeric film to restrain gauge variation |
| FR1345217A (fr) * | 1961-11-21 | 1963-12-06 | Du Pont | Procédé d'étirage de pellicules en polyesters |
| US3432591A (en) * | 1966-10-21 | 1969-03-11 | Du Pont | Biaxially oriented heat set film of high molecular weight polyethylene terephthalate |
Also Published As
| Publication number | Publication date |
|---|---|
| BR8303475A (pt) | 1984-02-07 |
| JPS5948125A (ja) | 1984-03-19 |
| EP0099839A1 (fr) | 1984-02-01 |
| FR2529506B1 (OSRAM) | 1985-03-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |