JPS61126629A - 磁気記録媒体用二軸延伸ポリエステルフイルム - Google Patents
磁気記録媒体用二軸延伸ポリエステルフイルムInfo
- Publication number
- JPS61126629A JPS61126629A JP24582484A JP24582484A JPS61126629A JP S61126629 A JPS61126629 A JP S61126629A JP 24582484 A JP24582484 A JP 24582484A JP 24582484 A JP24582484 A JP 24582484A JP S61126629 A JPS61126629 A JP S61126629A
- Authority
- JP
- Japan
- Prior art keywords
- film
- thermal shrinkage
- magnetic recording
- recording medium
- longitudinal direction
- 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
- 230000005291 magnetic effect Effects 0.000 title claims abstract description 33
- 229920006267 polyester film Polymers 0.000 title claims abstract description 14
- 239000012298 atmosphere Substances 0.000 claims abstract description 13
- 238000001816 cooling Methods 0.000 abstract description 2
- 230000000284 resting effect Effects 0.000 abstract 2
- -1 polyethylene terephthalate Polymers 0.000 description 12
- 229920000728 polyester Polymers 0.000 description 11
- 229920000139 polyethylene terephthalate Polymers 0.000 description 9
- 239000005020 polyethylene terephthalate Substances 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 238000009998 heat setting Methods 0.000 description 4
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 229920001634 Copolyester Polymers 0.000 description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 2
- CYIDZMCFTVVTJO-UHFFFAOYSA-N pyromellitic acid Chemical compound OC(=O)C1=CC(C(O)=O)=C(C(O)=O)C=C1C(O)=O CYIDZMCFTVVTJO-UHFFFAOYSA-N 0.000 description 2
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 2
- ARCGXLSVLAOJQL-UHFFFAOYSA-N trimellitic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C(C(O)=O)=C1 ARCGXLSVLAOJQL-UHFFFAOYSA-N 0.000 description 2
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- BWVAOONFBYYRHY-UHFFFAOYSA-N [4-(hydroxymethyl)phenyl]methanol Chemical compound OCC1=CC=C(CO)C=C1 BWVAOONFBYYRHY-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 235000011037 adipic acid Nutrition 0.000 description 1
- 239000001361 adipic acid Substances 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 150000002009 diols Chemical class 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920001515 polyalkylene glycol Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920000874 polytetramethylene terephthalate Polymers 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 1
Landscapes
- Magnetic Record Carriers (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24582484A JPS61126629A (ja) | 1984-11-20 | 1984-11-20 | 磁気記録媒体用二軸延伸ポリエステルフイルム |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24582484A JPS61126629A (ja) | 1984-11-20 | 1984-11-20 | 磁気記録媒体用二軸延伸ポリエステルフイルム |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61126629A true JPS61126629A (ja) | 1986-06-14 |
| JPH0544096B2 JPH0544096B2 (enrdf_load_html_response) | 1993-07-05 |
Family
ID=17139398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24582484A Granted JPS61126629A (ja) | 1984-11-20 | 1984-11-20 | 磁気記録媒体用二軸延伸ポリエステルフイルム |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61126629A (enrdf_load_html_response) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63291216A (ja) * | 1987-05-22 | 1988-11-29 | Toyobo Co Ltd | 磁気記録媒体用２軸配向ポリエステルフイルム |
| JPH03207017A (ja) * | 1990-01-08 | 1991-09-10 | Toray Ind Inc | フロッピーディスク |
| JPH08132523A (ja) * | 1994-11-09 | 1996-05-28 | Toray Ind Inc | 低熱収縮性ポリエステルフィルム |
| JPH08164558A (ja) * | 1994-12-15 | 1996-06-25 | Toray Ind Inc | ポリエステルフィルム |
-
1984
- 1984-11-20 JP JP24582484A patent/JPS61126629A/ja active Granted
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63291216A (ja) * | 1987-05-22 | 1988-11-29 | Toyobo Co Ltd | 磁気記録媒体用２軸配向ポリエステルフイルム |
| JPH03207017A (ja) * | 1990-01-08 | 1991-09-10 | Toray Ind Inc | フロッピーディスク |
| JPH08132523A (ja) * | 1994-11-09 | 1996-05-28 | Toray Ind Inc | 低熱収縮性ポリエステルフィルム |
| JPH08164558A (ja) * | 1994-12-15 | 1996-06-25 | Toray Ind Inc | ポリエステルフィルム |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0544096B2 (enrdf_load_html_response) | 1993-07-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100227401B1 (ko) | 폴리에틸렌-2,6-나프탈렌디카르복실레이트의 이축 배향 필름 | |
| KR100463695B1 (ko) | 자기기록매체용 이축배향 폴리에스테르 필름 | |
| JP4008706B2 (ja) | 二軸配向ポリエステルフィルムおよび磁気記録媒体 | |
| JPH03137814A (ja) | フロッピーディスク用二軸配向ポリエステルフィルム | |
| JPS61126629A (ja) | 磁気記録媒体用二軸延伸ポリエステルフイルム | |
| JPS62164733A (ja) | 磁気記録用二軸配向ポリエステルフイルム | |
| JP4390025B2 (ja) | 二軸配向ポリエステルフィルム | |
| JP3547986B2 (ja) | 二軸配向ポリエステルフィルム | |
| JPS62154226A (ja) | 磁気記録媒体用二軸延伸ポリエステルフイルム | |
| JPH02270531A (ja) | フロッピーディスク用二軸配向ポリエステルフィルム | |
| JPS5988719A (ja) | 液晶パネル基材用ポリエステルフイルム | |
| JP2550746B2 (ja) | ポリエステル系樹脂フィルム | |
| JPH0397523A (ja) | 等方性ポリエステルフイルム | |
| JP2827453B2 (ja) | 塗布媒体用ポリエステルフイルム | |
| JP2920938B2 (ja) | 配向ポリエステルフィルム | |
| JPH0455583B2 (enrdf_load_html_response) | ||
| JPH0243022A (ja) | 二軸延伸ポリエチレンテレフタレートフィルム | |
| JP3048743B2 (ja) | 二軸配向ポリエチレン―２，６―ナフタレートフィルムの製造法 | |
| JPH021005B2 (enrdf_load_html_response) | ||
| JPH0362134B2 (enrdf_load_html_response) | ||
| JP2738636B2 (ja) | 二軸配向ポリエステルフィルム | |
| JPH0648534B2 (ja) | 磁気記録フレキシブルディスク用ポリエステルフイルムの製造法 | |
| JP2738638B2 (ja) | 二軸配向ポリエステルフィルム | |
| JP2738637B2 (ja) | 二軸配向ポリエステルフィルム | |
| JPS63291216A (ja) | 磁気記録媒体用２軸配向ポリエステルフイルム |