JPS55101136A - Oriented polyester film for magnetic tape - Google Patents
Oriented polyester film for magnetic tapeInfo
- Publication number
- JPS55101136A JPS55101136A JP702179A JP702179A JPS55101136A JP S55101136 A JPS55101136 A JP S55101136A JP 702179 A JP702179 A JP 702179A JP 702179 A JP702179 A JP 702179A JP S55101136 A JPS55101136 A JP S55101136A
- Authority
- JP
- Japan
- Prior art keywords
- less
- inactive material
- magnetic tape
- polyester film
- oriented polyester
- 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 abstract 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 abstract 4
- 239000000463 material Substances 0.000 abstract 4
- 239000002245 particle Substances 0.000 abstract 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- 229910000019 calcium carbonate Inorganic materials 0.000 abstract 2
- 239000005995 Aluminium silicate Substances 0.000 abstract 1
- 235000012211 aluminium silicate Nutrition 0.000 abstract 1
- PZZYQPZGQPZBDN-UHFFFAOYSA-N aluminium silicate Chemical compound O=[Al]O[Si](=O)O[Al]=O PZZYQPZGQPZBDN-UHFFFAOYSA-N 0.000 abstract 1
- 229910000323 aluminium silicate Inorganic materials 0.000 abstract 1
- 239000001506 calcium phosphate Substances 0.000 abstract 1
- 229910000389 calcium phosphate Inorganic materials 0.000 abstract 1
- 235000011010 calcium phosphates Nutrition 0.000 abstract 1
- 229920000728 polyester Polymers 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 abstract 1
Landscapes
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Magnetic Record Carriers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP702179A JPS55101136A (en) | 1979-01-26 | 1979-01-26 | Oriented polyester film for magnetic tape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP702179A JPS55101136A (en) | 1979-01-26 | 1979-01-26 | Oriented polyester film for magnetic tape |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS55101136A true JPS55101136A (en) | 1980-08-01 |
| JPH026132B2 JPH026132B2 (enrdf_load_stackoverflow) | 1990-02-07 |
Family
ID=11654375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP702179A Granted JPS55101136A (en) | 1979-01-26 | 1979-01-26 | Oriented polyester film for magnetic tape |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS55101136A (enrdf_load_stackoverflow) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5968213A (ja) * | 1982-10-13 | 1984-04-18 | Toray Ind Inc | 二軸延伸ポリエステルフイルム |
| JPS59133246A (ja) * | 1983-01-19 | 1984-07-31 | Toyobo Co Ltd | 配向ポリエステルフイルム |
| JPS59179555A (ja) * | 1983-03-30 | 1984-10-12 | Teijin Ltd | 二軸延伸ポリエステルフイルム |
| JPS6056531A (ja) * | 1983-09-09 | 1985-04-02 | Toyobo Co Ltd | 配向ポリエステルフイルム |
| JPH01152032A (ja) * | 1987-12-09 | 1989-06-14 | Diafoil Co Ltd | 二軸延伸ポリエステルフィルム |
| JPH01193327A (ja) * | 1988-01-28 | 1989-08-03 | Toray Ind Inc | ポリエステルフィルム |
| US5006589A (en) * | 1988-06-04 | 1991-04-09 | Diafoil Company, Limited | Polyester film for magnetic recording media |
-
1979
- 1979-01-26 JP JP702179A patent/JPS55101136A/ja active Granted
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5968213A (ja) * | 1982-10-13 | 1984-04-18 | Toray Ind Inc | 二軸延伸ポリエステルフイルム |
| JPS59133246A (ja) * | 1983-01-19 | 1984-07-31 | Toyobo Co Ltd | 配向ポリエステルフイルム |
| JPS59179555A (ja) * | 1983-03-30 | 1984-10-12 | Teijin Ltd | 二軸延伸ポリエステルフイルム |
| JPS6056531A (ja) * | 1983-09-09 | 1985-04-02 | Toyobo Co Ltd | 配向ポリエステルフイルム |
| JPH01152032A (ja) * | 1987-12-09 | 1989-06-14 | Diafoil Co Ltd | 二軸延伸ポリエステルフィルム |
| JPH01193327A (ja) * | 1988-01-28 | 1989-08-03 | Toray Ind Inc | ポリエステルフィルム |
| US5006589A (en) * | 1988-06-04 | 1991-04-09 | Diafoil Company, Limited | Polyester film for magnetic recording media |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH026132B2 (enrdf_load_stackoverflow) | 1990-02-07 |
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