JPS61154924A - 磁気記録媒体用ポリエステルフィルム及びその製造法 - Google Patents
磁気記録媒体用ポリエステルフィルム及びその製造法Info
- Publication number
- JPS61154924A JPS61154924A JP27445784A JP27445784A JPS61154924A JP S61154924 A JPS61154924 A JP S61154924A JP 27445784 A JP27445784 A JP 27445784A JP 27445784 A JP27445784 A JP 27445784A JP S61154924 A JPS61154924 A JP S61154924A
- Authority
- JP
- Japan
- Prior art keywords
- film
- light
- polyester
- polyester film
- magnetic recording
- 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 37
- 229920006267 polyester film Polymers 0.000 title claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 title claims description 5
- 239000000463 material Substances 0.000 claims abstract 2
- 229920000728 polyester Polymers 0.000 claims description 27
- 239000002245 particle Substances 0.000 claims description 23
- 238000010521 absorption reaction Methods 0.000 claims description 12
- 239000010419 fine particle Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 abstract description 10
- 239000011248 coating agent Substances 0.000 abstract description 2
- 238000000576 coating method Methods 0.000 abstract description 2
- 101100491857 Columba livia ASL gene Proteins 0.000 abstract 3
- 230000031700 light absorption Effects 0.000 abstract 2
- 230000008602 contraction Effects 0.000 abstract 1
- 239000006229 carbon black Substances 0.000 description 20
- 239000010410 layer Substances 0.000 description 20
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 17
- 239000003795 chemical substances by application Substances 0.000 description 12
- 239000011362 coarse particle Substances 0.000 description 9
- -1 aromatic dicarboxylic acids Chemical class 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 238000006068 polycondensation reaction Methods 0.000 description 6
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 230000005292 diamagnetic effect Effects 0.000 description 5
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 4
- 125000003118 aryl group Chemical group 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 238000006116 polymerization reaction Methods 0.000 description 4
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 150000002148 esters Chemical class 0.000 description 3
- 238000009998 heat setting Methods 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 239000000049 pigment Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- WOZVHXUHUFLZGK-UHFFFAOYSA-N dimethyl terephthalate Chemical compound COC(=O)C1=CC=C(C(=O)OC)C=C1 WOZVHXUHUFLZGK-UHFFFAOYSA-N 0.000 description 2
- 150000002009 diols Chemical class 0.000 description 2
- 239000002270 dispersing agent Substances 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 238000001125 extrusion Methods 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
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 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 2
- 150000002894 organic compounds Chemical class 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 229920002959 polymer blend Polymers 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 2
- 238000005809 transesterification reaction Methods 0.000 description 2
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 description 1
- LLLVZDVNHNWSDS-UHFFFAOYSA-N 4-methylidene-3,5-dioxabicyclo[5.2.2]undeca-1(9),7,10-triene-2,6-dione Chemical compound C1(C2=CC=C(C(=O)OC(=C)O1)C=C2)=O LLLVZDVNHNWSDS-UHFFFAOYSA-N 0.000 description 1
- 241000251468 Actinopterygii Species 0.000 description 1
- 239000005995 Aluminium silicate Substances 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- CHBRHODLKOZEPZ-UHFFFAOYSA-N Clotiazepam Chemical compound S1C(CC)=CC2=C1N(C)C(=O)CN=C2C1=CC=CC=C1Cl CHBRHODLKOZEPZ-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 241000872198 Serjania polyphylla Species 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 241001422033 Thestylus Species 0.000 description 1
- 239000006230 acetylene black Substances 0.000 description 1
- 150000001339 alkali metal compounds Chemical class 0.000 description 1
- 150000001341 alkaline earth metal compounds Chemical class 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 229910052925 anhydrite Inorganic materials 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- QEZIKGQWAWNWIR-UHFFFAOYSA-N antimony(3+) antimony(5+) oxygen(2-) Chemical compound [O--].[O--].[O--].[O--].[Sb+3].[Sb+5] QEZIKGQWAWNWIR-UHFFFAOYSA-N 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- XQKKWWCELHKGKB-UHFFFAOYSA-L calcium acetate monohydrate Chemical compound O.[Ca+2].CC([O-])=O.CC([O-])=O XQKKWWCELHKGKB-UHFFFAOYSA-L 0.000 description 1
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 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
- 239000000919 ceramic Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000002734 clay mineral Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 229920006037 cross link polymer Polymers 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- BXKDSDJJOVIHMX-UHFFFAOYSA-N edrophonium chloride Chemical compound [Cl-].CC[N+](C)(C)C1=CC=CC(O)=C1 BXKDSDJJOVIHMX-UHFFFAOYSA-N 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000006232 furnace black Substances 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 229920002681 hypalon Polymers 0.000 description 1
- 239000001023 inorganic pigment Substances 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
- 238000004898 kneading Methods 0.000 description 1
- 239000006233 lamp black Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- IAQLJCYTGRMXMA-UHFFFAOYSA-M lithium;acetate;dihydrate Chemical compound [Li+].O.O.CC([O-])=O IAQLJCYTGRMXMA-UHFFFAOYSA-M 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 125000005487 naphthalate group Chemical group 0.000 description 1
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 1
- 239000012860 organic pigment Substances 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229920001281 polyalkylene Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000002952 polymeric resin Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920000874 polytetramethylene terephthalate Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 239000006234 thermal black Substances 0.000 description 1
- DQWPFSLDHJDLRL-UHFFFAOYSA-N triethyl phosphate Chemical compound CCOP(=O)(OCC)OCC DQWPFSLDHJDLRL-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Magnetic Record Carriers (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
- Manufacture Of Macromolecular Shaped Articles (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 |
|---|---|---|---|
| JP27445784A JPS61154924A (ja) | 1984-12-28 | 1984-12-28 | 磁気記録媒体用ポリエステルフィルム及びその製造法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27445784A JPS61154924A (ja) | 1984-12-28 | 1984-12-28 | 磁気記録媒体用ポリエステルフィルム及びその製造法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61154924A true JPS61154924A (ja) | 1986-07-14 |
| JPH0369295B2 JPH0369295B2 (enrdf_load_stackoverflow) | 1991-10-31 |
Family
ID=17541951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP27445784A Granted JPS61154924A (ja) | 1984-12-28 | 1984-12-28 | 磁気記録媒体用ポリエステルフィルム及びその製造法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61154924A (enrdf_load_stackoverflow) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63247913A (ja) * | 1987-04-03 | 1988-10-14 | Diafoil Co Ltd | 磁気記録媒体用ポリエステルフイルム |
| WO1988007928A1 (en) * | 1987-04-07 | 1988-10-20 | Toray Industries, Inc. | Polyester film |
| US4865898A (en) * | 1986-08-12 | 1989-09-12 | Diafoil Company, Limited | Polyester film for magnetic recording media |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE42643E1 (en) | 1991-03-27 | 2011-08-23 | Panasonic Corporation | Communication system |
| US5600672A (en) | 1991-03-27 | 1997-02-04 | Matsushita Electric Industrial Co., Ltd. | Communication system |
| USRE39890E1 (en) | 1991-03-27 | 2007-10-23 | Matsushita Electric Industrial Co., Ltd. | Communication system |
| USRE40241E1 (en) | 1991-03-27 | 2008-04-15 | Matsushita Electric Industrial Co., Ltd. | Communication system |
| US5819000A (en) | 1992-03-26 | 1998-10-06 | Matsushita Electric Industrial Co., Ltd. | Magnetic recording and playback apparatus |
| US6724976B2 (en) | 1992-03-26 | 2004-04-20 | Matsushita Electric Industrial Co., Ltd. | Communication system |
| USRE38513E1 (en) | 1992-03-26 | 2004-05-11 | Matsushita Electric Industrial Co., Ltd. | Communication system |
| US6728467B2 (en) | 1992-03-26 | 2004-04-27 | Matsushita Electric Industrial Co., Ltd. | Communication system |
| US5802241A (en) | 1992-03-26 | 1998-09-01 | Matsushita Electric Industrial Co., Ltd. | Communication system |
| US7302007B1 (en) | 1992-03-26 | 2007-11-27 | Matsushita Electric Industrial Co., Ltd. | Communication system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS538879A (en) * | 1976-07-13 | 1978-01-26 | Furukawa Kogyo Kk | Electric dust collector |
| JPS58160123A (ja) * | 1982-03-18 | 1983-09-22 | Diafoil Co Ltd | 二軸延伸ポリエステルフイルムの製造方法 |
| JPS58168526A (ja) * | 1982-03-31 | 1983-10-04 | Teijin Ltd | 近赤外線吸収性ポリエステルフイルム |
| JPS58215722A (ja) * | 1982-06-08 | 1983-12-15 | Diafoil Co Ltd | 磁気記録体用ポリエステルフイルム |
| JPS5935921A (ja) * | 1982-08-23 | 1984-02-27 | Diafoil Co Ltd | ポリエステルフイルムの製造方法 |
| JPS59140028A (ja) * | 1983-01-18 | 1984-08-11 | Diafoil Co Ltd | ポリエステルフイルムの製造方法 |
-
1984
- 1984-12-28 JP JP27445784A patent/JPS61154924A/ja active Granted
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS538879A (en) * | 1976-07-13 | 1978-01-26 | Furukawa Kogyo Kk | Electric dust collector |
| JPS58160123A (ja) * | 1982-03-18 | 1983-09-22 | Diafoil Co Ltd | 二軸延伸ポリエステルフイルムの製造方法 |
| JPS58168526A (ja) * | 1982-03-31 | 1983-10-04 | Teijin Ltd | 近赤外線吸収性ポリエステルフイルム |
| JPS58215722A (ja) * | 1982-06-08 | 1983-12-15 | Diafoil Co Ltd | 磁気記録体用ポリエステルフイルム |
| JPS5935921A (ja) * | 1982-08-23 | 1984-02-27 | Diafoil Co Ltd | ポリエステルフイルムの製造方法 |
| JPS59140028A (ja) * | 1983-01-18 | 1984-08-11 | Diafoil Co Ltd | ポリエステルフイルムの製造方法 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4865898A (en) * | 1986-08-12 | 1989-09-12 | Diafoil Company, Limited | Polyester film for magnetic recording media |
| JPS63247913A (ja) * | 1987-04-03 | 1988-10-14 | Diafoil Co Ltd | 磁気記録媒体用ポリエステルフイルム |
| WO1988007928A1 (en) * | 1987-04-07 | 1988-10-20 | Toray Industries, Inc. | Polyester film |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0369295B2 (enrdf_load_stackoverflow) | 1991-10-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |