JPH0544096B2 - - Google Patents
Info
- Publication number
- JPH0544096B2 JPH0544096B2 JP24582484A JP24582484A JPH0544096B2 JP H0544096 B2 JPH0544096 B2 JP H0544096B2 JP 24582484 A JP24582484 A JP 24582484A JP 24582484 A JP24582484 A JP 24582484A JP H0544096 B2 JPH0544096 B2 JP H0544096B2
- Authority
- JP
- Japan
- Prior art keywords
- film
- heat
- magnetic recording
- longitudinal direction
- shrinkage rate
- 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 - Lifetime
Links
- 229920006267 polyester film Polymers 0.000 claims description 11
- 230000008602 contraction Effects 0.000 claims description 5
- -1 polyethylene terephthalate Polymers 0.000 description 14
- 238000010438 heat treatment Methods 0.000 description 11
- 229920000139 polyethylene terephthalate Polymers 0.000 description 11
- 239000005020 polyethylene terephthalate Substances 0.000 description 11
- 229920000728 polyester Polymers 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 238000009998 heat setting Methods 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 230000000052 comparative effect Effects 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
- 239000002245 particle Substances 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
- 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
- 150000000190 1,4-diols Chemical class 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- ORLQHILJRHBSAY-UHFFFAOYSA-N [1-(hydroxymethyl)cyclohexyl]methanol Chemical compound OCC1(CO)CCCCC1 ORLQHILJRHBSAY-UHFFFAOYSA-N 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
- 238000001816 cooling Methods 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 239000013078 crystal Substances 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
- RXOHFPCZGPKIRD-UHFFFAOYSA-N naphthalene-2,6-dicarboxylic acid Chemical compound C1=C(C(O)=O)C=CC2=CC(C(=O)O)=CC=C21 RXOHFPCZGPKIRD-UHFFFAOYSA-N 0.000 description 1
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 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
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920000874 polytetramethylene terephthalate Polymers 0.000 description 1
- IBBQVGDGTMTZRA-UHFFFAOYSA-N sodium;2-sulfobenzene-1,3-dicarboxylic acid Chemical compound [Na].OC(=O)C1=CC=CC(C(O)=O)=C1S(O)(=O)=O IBBQVGDGTMTZRA-UHFFFAOYSA-N 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 JPS61126629A (ja) | 1986-06-14 |
| JPH0544096B2 true JPH0544096B2 (ko) | 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 (ko) |
Families Citing this family (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 |
| JP2745752B2 (ja) * | 1990-01-08 | 1998-04-28 | 東レ株式会社 | 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
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61126629A (ja) | 1986-06-14 |
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