JPS5862826A - 磁気記録媒体用ポリエステルフイルム - Google Patents
磁気記録媒体用ポリエステルフイルムInfo
- Publication number
- JPS5862826A JPS5862826A JP16096181A JP16096181A JPS5862826A JP S5862826 A JPS5862826 A JP S5862826A JP 16096181 A JP16096181 A JP 16096181A JP 16096181 A JP16096181 A JP 16096181A JP S5862826 A JPS5862826 A JP S5862826A
- Authority
- JP
- Japan
- Prior art keywords
- film
- soluble polymer
- polyester film
- water soluble
- discontinuous
- 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 15
- 230000005291 magnetic effect Effects 0.000 title claims abstract description 12
- 229920003169 water-soluble polymer Polymers 0.000 claims abstract description 15
- -1 polyethylene terephthalate Polymers 0.000 abstract description 5
- 229920000139 polyethylene terephthalate Polymers 0.000 abstract description 4
- 239000005020 polyethylene terephthalate Substances 0.000 abstract description 4
- 239000007787 solid Substances 0.000 abstract description 3
- 239000004372 Polyvinyl alcohol Substances 0.000 abstract description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- 238000000151 deposition Methods 0.000 abstract 1
- 239000010408 film Substances 0.000 description 55
- 229920000728 polyester Polymers 0.000 description 9
- 238000000576 coating method Methods 0.000 description 8
- 239000007864 aqueous solution Substances 0.000 description 7
- 239000002585 base Substances 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 230000003746 surface roughness Effects 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 4
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000007740 vapor deposition Methods 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
- 238000003917 TEM image Methods 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 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
- 229920000609 methyl cellulose Polymers 0.000 description 2
- 239000001923 methylcellulose Substances 0.000 description 2
- 235000010981 methylcellulose Nutrition 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
- 229920000642 polymer Polymers 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
- 239000002994 raw material Substances 0.000 description 2
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 2
- 239000010409 thin film Substances 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
- 244000215068 Acacia senegal Species 0.000 description 1
- 229920008790 Amorphous Polyethylene terephthalate Polymers 0.000 description 1
- 241000416162 Astragalus gummifer Species 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- 108010010803 Gelatin Proteins 0.000 description 1
- 229920000084 Gum arabic Polymers 0.000 description 1
- 239000004354 Hydroxyethyl cellulose Substances 0.000 description 1
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 244000046146 Pueraria lobata Species 0.000 description 1
- 235000010575 Pueraria lobata Nutrition 0.000 description 1
- 241001422033 Thestylus Species 0.000 description 1
- 229920001615 Tragacanth Polymers 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
- 238000005299 abrasion Methods 0.000 description 1
- 239000000205 acacia gum Substances 0.000 description 1
- 235000010489 acacia gum Nutrition 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 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
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 239000005018 casein Substances 0.000 description 1
- BECPQYXYKAMYBN-UHFFFAOYSA-N casein, tech. Chemical compound NCCCCC(C(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(CC(C)C)N=C(O)C(CCC(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(C(C)O)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(COP(O)(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(N)CC1=CC=CC=C1 BECPQYXYKAMYBN-UHFFFAOYSA-N 0.000 description 1
- 235000021240 caseins Nutrition 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 150000002009 diols Chemical class 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 1
- 229920001515 polyalkylene glycol Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 239000002685 polymerization catalyst Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000196 tragacanth Substances 0.000 description 1
- 235000010487 tragacanth Nutrition 0.000 description 1
- 229940116362 tragacanth Drugs 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
- G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
- G11B5/842—Coating a support with a liquid magnetic dispersion
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
- Coating Of Shaped Articles Made Of Macromolecular Substances (AREA)
- Laminated Bodies (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16096181A JPS5862826A (ja) | 1981-10-12 | 1981-10-12 | 磁気記録媒体用ポリエステルフイルム |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16096181A JPS5862826A (ja) | 1981-10-12 | 1981-10-12 | 磁気記録媒体用ポリエステルフイルム |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5862826A true JPS5862826A (ja) | 1983-04-14 |
| JPH021005B2 JPH021005B2 (en]) | 1990-01-10 |
Family
ID=15725916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16096181A Granted JPS5862826A (ja) | 1981-10-12 | 1981-10-12 | 磁気記録媒体用ポリエステルフイルム |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5862826A (en]) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59203227A (ja) * | 1983-04-30 | 1984-11-17 | Victor Co Of Japan Ltd | 磁気記録媒体 |
| JPS60180839A (ja) * | 1982-11-02 | 1985-09-14 | 東レ株式会社 | ポリエステルフイルム |
| JPH03208639A (ja) * | 1990-01-12 | 1991-09-11 | Toray Ind Inc | 二軸配向熱可塑性樹脂フイルム |
| WO2000058070A1 (en) * | 1999-03-31 | 2000-10-05 | The Dow Chemical Company | Process for producing thermoplastic films by blown film extrusion and films produced thereby |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5440883A (en) * | 1977-09-06 | 1979-03-31 | Toray Ind Inc | Polyester film |
| JPS5547050A (en) * | 1978-09-29 | 1980-04-02 | Arai Pump Mfg Co Ltd | Cylindrical surface seal |
| JPS5610455A (en) * | 1979-07-09 | 1981-02-02 | Toray Industries | Polyester film |
-
1981
- 1981-10-12 JP JP16096181A patent/JPS5862826A/ja active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5440883A (en) * | 1977-09-06 | 1979-03-31 | Toray Ind Inc | Polyester film |
| JPS5547050A (en) * | 1978-09-29 | 1980-04-02 | Arai Pump Mfg Co Ltd | Cylindrical surface seal |
| JPS5610455A (en) * | 1979-07-09 | 1981-02-02 | Toray Industries | Polyester film |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60180839A (ja) * | 1982-11-02 | 1985-09-14 | 東レ株式会社 | ポリエステルフイルム |
| JPS59203227A (ja) * | 1983-04-30 | 1984-11-17 | Victor Co Of Japan Ltd | 磁気記録媒体 |
| JPH03208639A (ja) * | 1990-01-12 | 1991-09-11 | Toray Ind Inc | 二軸配向熱可塑性樹脂フイルム |
| WO2000058070A1 (en) * | 1999-03-31 | 2000-10-05 | The Dow Chemical Company | Process for producing thermoplastic films by blown film extrusion and films produced thereby |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH021005B2 (en]) | 1990-01-10 |
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