CN1012540B - 改进的磁记录介质的固化方法 - Google Patents
改进的磁记录介质的固化方法Info
- Publication number
- CN1012540B CN1012540B CN86103704A CN86103704A CN1012540B CN 1012540 B CN1012540 B CN 1012540B CN 86103704 A CN86103704 A CN 86103704A CN 86103704 A CN86103704 A CN 86103704A CN 1012540 B CN1012540 B CN 1012540B
- Authority
- CN
- China
- Prior art keywords
- magnetic
- magnetic recording
- coating
- adhesive composition
- curing
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 79
- 230000008569 process Effects 0.000 title abstract description 52
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 43
- 239000003054 catalyst Substances 0.000 claims abstract description 18
- 239000005056 polyisocyanate Substances 0.000 claims abstract description 15
- 229920001228 polyisocyanate Polymers 0.000 claims abstract description 15
- 239000011230 binding agent Substances 0.000 claims abstract description 9
- 238000000576 coating method Methods 0.000 claims description 38
- 239000011248 coating agent Substances 0.000 claims description 37
- 238000007711 solidification Methods 0.000 claims description 34
- 230000008023 solidification Effects 0.000 claims description 34
- 239000006185 dispersion Substances 0.000 claims description 19
- 238000006243 chemical reaction Methods 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 14
- 239000000758 substrate Substances 0.000 claims description 14
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 12
- 230000001070 adhesive effect Effects 0.000 claims description 9
- 239000000853 adhesive Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 239000003973 paint Substances 0.000 claims description 7
- 239000004814 polyurethane Substances 0.000 claims description 5
- 229920002635 polyurethane Polymers 0.000 claims description 5
- GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical compound CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 claims description 4
- DAZXVJBJRMWXJP-UHFFFAOYSA-N n,n-dimethylethylamine Chemical compound CCN(C)C DAZXVJBJRMWXJP-UHFFFAOYSA-N 0.000 claims description 2
- GNVRJGIVDSQCOP-UHFFFAOYSA-N n-ethyl-n-methylethanamine Chemical compound CCN(C)CC GNVRJGIVDSQCOP-UHFFFAOYSA-N 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 claims description 2
- 150000003512 tertiary amines Chemical group 0.000 claims description 2
- 239000012808 vapor phase Substances 0.000 abstract description 5
- 239000000126 substance Substances 0.000 description 10
- 238000012545 processing Methods 0.000 description 9
- 239000012948 isocyanate Substances 0.000 description 7
- 150000002513 isocyanates Chemical class 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- 239000002904 solvent Substances 0.000 description 7
- 150000001875 compounds Chemical class 0.000 description 6
- 239000006249 magnetic particle Substances 0.000 description 6
- 239000007795 chemical reaction product Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 239000000523 sample Substances 0.000 description 5
- 230000003197 catalytic effect Effects 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 238000012856 packing Methods 0.000 description 4
- 239000012071 phase Substances 0.000 description 4
- -1 primary Chemical class 0.000 description 4
- 239000002671 adjuvant Substances 0.000 description 3
- 239000012298 atmosphere Substances 0.000 description 3
- 238000003490 calendering Methods 0.000 description 3
- 238000006555 catalytic reaction Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 239000003082 abrasive agent Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 2
- XLJMAIOERFSOGZ-UHFFFAOYSA-N anhydrous cyanic acid Natural products OC#N XLJMAIOERFSOGZ-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000007859 condensation product Substances 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
- 238000010894 electron beam technology Methods 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 229920005862 polyol Polymers 0.000 description 2
- 150000003077 polyols Chemical class 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- QMMJWQMCMRUYTG-UHFFFAOYSA-N 1,2,4,5-tetrachloro-3-(trifluoromethyl)benzene Chemical compound FC(F)(F)C1=C(Cl)C(Cl)=CC(Cl)=C1Cl QMMJWQMCMRUYTG-UHFFFAOYSA-N 0.000 description 1
- JLPULHDHAOZNQI-ZTIMHPMXSA-N 1-hexadecanoyl-2-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phosphocholine Chemical compound CCCCCCCCCCCCCCCC(=O)OC[C@H](COP([O-])(=O)OCC[N+](C)(C)C)OC(=O)CCCCCCC\C=C/C\C=C/CCCCC JLPULHDHAOZNQI-ZTIMHPMXSA-N 0.000 description 1
- 206010009866 Cold sweat Diseases 0.000 description 1
- IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical compound OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 description 1
- 102100037815 Fas apoptotic inhibitory molecule 3 Human genes 0.000 description 1
- 101000878510 Homo sapiens Fas apoptotic inhibitory molecule 3 Proteins 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000000020 Nitrocellulose Substances 0.000 description 1
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- FJWGYAHXMCUOOM-QHOUIDNNSA-N [(2s,3r,4s,5r,6r)-2-[(2r,3r,4s,5r,6s)-4,5-dinitrooxy-2-(nitrooxymethyl)-6-[(2r,3r,4s,5r,6s)-4,5,6-trinitrooxy-2-(nitrooxymethyl)oxan-3-yl]oxyoxan-3-yl]oxy-3,5-dinitrooxy-6-(nitrooxymethyl)oxan-4-yl] nitrate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O)O[C@H]1[C@@H]([C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@@H](CO[N+]([O-])=O)O1)O[N+]([O-])=O)CO[N+](=O)[O-])[C@@H]1[C@@H](CO[N+]([O-])=O)O[C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O FJWGYAHXMCUOOM-QHOUIDNNSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000013522 chelant Substances 0.000 description 1
- 239000008199 coating composition Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 239000013068 control sample Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006471 dimerization reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- OZGODEHZQADZQC-UHFFFAOYSA-N ethenyl acetate terephthalic acid Chemical compound C(C1=CC=C(C(=O)O)C=C1)(=O)O.C(C)(=O)OC=C OZGODEHZQADZQC-UHFFFAOYSA-N 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000002650 habitual effect Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000004433 infrared transmission spectrum Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 1
- KCWDJXPPZHMEIK-UHFFFAOYSA-N isocyanic acid;toluene Chemical compound N=C=O.N=C=O.CC1=CC=CC=C1 KCWDJXPPZHMEIK-UHFFFAOYSA-N 0.000 description 1
- 238000007759 kiss coating Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 125000001434 methanylylidene group Chemical group [H]C#[*] 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920001220 nitrocellulos Polymers 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 239000013034 phenoxy resin Substances 0.000 description 1
- 229920006287 phenoxy resin Polymers 0.000 description 1
- DGTNSSLYPYDJGL-UHFFFAOYSA-N phenyl isocyanate Chemical group O=C=NC1=CC=CC=C1 DGTNSSLYPYDJGL-UHFFFAOYSA-N 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920000131 polyvinylidene Polymers 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 150000003333 secondary alcohols Chemical class 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229940083466 soybean lecithin Drugs 0.000 description 1
- 210000004233 talus Anatomy 0.000 description 1
- 150000003509 tertiary alcohols Chemical class 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 150000003673 urethanes Chemical class 0.000 description 1
- KAKZBPTYRLMSJV-UHFFFAOYSA-N vinyl-ethylene Natural products C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 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
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
- B05D3/0433—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being a reactive gas
- B05D3/0453—After-treatment
- B05D3/046—Curing or evaporating the solvent
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/16—Catalysts
- C08G18/18—Catalysts containing secondary or tertiary amines or salts thereof
- C08G18/1891—Catalysts containing secondary or tertiary amines or salts thereof in vaporous state
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
- Paints Or Removers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US73071285A | 1985-05-03 | 1985-05-03 | |
| US730,712 | 1985-05-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN86103704A CN86103704A (zh) | 1986-11-19 |
| CN1012540B true CN1012540B (zh) | 1991-05-01 |
Family
ID=24936519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN86103704A Expired CN1012540B (zh) | 1985-05-03 | 1986-05-03 | 改进的磁记录介质的固化方法 |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS61265727A (enrdf_load_stackoverflow) |
| KR (1) | KR940006850B1 (enrdf_load_stackoverflow) |
| CN (1) | CN1012540B (enrdf_load_stackoverflow) |
| DE (1) | DE3614839A1 (enrdf_load_stackoverflow) |
| GB (1) | GB2174620B (enrdf_load_stackoverflow) |
| MX (1) | MX171027B (enrdf_load_stackoverflow) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2218925B (en) * | 1988-04-25 | 1992-01-15 | Minnesota Mining & Mfg | Use of migratory catalysts to increase cure rate |
| JP4660411B2 (ja) | 2006-03-30 | 2011-03-30 | 富士フイルム株式会社 | 記録媒体の製造方法並びにインクジェット記録媒体及びその製造方法 |
| EP2539384B1 (de) * | 2010-02-26 | 2014-06-18 | Basf Se | Katalysierte granulattemperung für thermoplastische polyurethane |
| US8455608B2 (en) * | 2010-02-26 | 2013-06-04 | Basf Se | Catalyzed pellet heat treatment for thermoplastic polyurethanes |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2967117A (en) * | 1949-01-25 | 1961-01-03 | Bayer Ag | Process for coating a substrate with a mixture of a polyhydroxy polyester and a polyisocyanate |
| NL294678A (enrdf_load_stackoverflow) * | 1963-06-27 | |||
| FR2279120A1 (fr) * | 1974-07-16 | 1976-02-13 | Cables De Lyon Geoffroy Delore | Revetement pour fibres optiques |
| JPS54153011A (en) * | 1978-05-23 | 1979-12-01 | Hitachi Maxell | Method of fabricating magnetic recording medium |
| US4366193A (en) * | 1981-04-10 | 1982-12-28 | Ashland Oil, Inc. | Catechol-based vapor permeation curable coating compositions |
| US4368222A (en) * | 1981-06-05 | 1983-01-11 | Ashland Oil, Inc. | Vapor permeation curable coatings for surface-porous substrates |
| US4374181A (en) * | 1981-09-14 | 1983-02-15 | Ashland Oil, Inc. | Vapor permeation curable coatings for reaction injection molded parts |
| US4396647A (en) * | 1982-02-22 | 1983-08-02 | Ashland Oil, Inc. | Vapor permeation curable coating compositions containing 2,3',4-trihydroxydiphenyl |
| CA1169305A (en) * | 1982-03-03 | 1984-06-19 | Gordon A.D. Reed | Catalytic curing of coatings |
| US4517222A (en) * | 1983-03-10 | 1985-05-14 | Ashland Oil, Inc. | Vaporous amine catalyst spray method of applying a film to a substrate |
| JPS6157041A (ja) * | 1984-08-27 | 1986-03-22 | Mitsubishi Chem Ind Ltd | 磁気記録媒体の製造方法 |
| AU573381B2 (en) * | 1984-09-13 | 1988-06-02 | Vapocure International Pty. Limited | Hydrated catalyst complex and process for drying one component coatings |
| JPS61187972A (ja) * | 1985-02-16 | 1986-08-21 | Hitachi Maxell Ltd | 金属粉末含有塗膜の形成方法 |
-
1986
- 1986-04-30 GB GB08610537A patent/GB2174620B/en not_active Expired
- 1986-05-02 DE DE19863614839 patent/DE3614839A1/de active Granted
- 1986-05-02 MX MX002371A patent/MX171027B/es unknown
- 1986-05-02 KR KR1019860003459A patent/KR940006850B1/ko not_active Expired - Fee Related
- 1986-05-03 CN CN86103704A patent/CN1012540B/zh not_active Expired
- 1986-05-06 JP JP61102248A patent/JPS61265727A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0551968B2 (enrdf_load_stackoverflow) | 1993-08-04 |
| KR940006850B1 (ko) | 1994-07-28 |
| GB8610537D0 (en) | 1986-06-04 |
| DE3614839A1 (de) | 1986-11-06 |
| MX171027B (es) | 1993-09-27 |
| GB2174620B (en) | 1989-01-25 |
| DE3614839C2 (enrdf_load_stackoverflow) | 1991-05-16 |
| JPS61265727A (ja) | 1986-11-25 |
| KR860009390A (ko) | 1986-12-22 |
| CN86103704A (zh) | 1986-11-19 |
| GB2174620A (en) | 1986-11-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6346887B2 (enrdf_load_stackoverflow) | ||
| JPS6085422A (ja) | 磁気記録担体 | |
| JPH0480450B2 (enrdf_load_stackoverflow) | ||
| CN1012540B (zh) | 改进的磁记录介质的固化方法 | |
| EP0273175B1 (en) | Magnetic recording medium | |
| EP0113005A1 (en) | Electroerosion printing materials and methods of use thereof | |
| DE60306582T2 (de) | Magnetisches Aufzeichnungsmedium | |
| DE3643458A1 (de) | Verfahren zur herstellung eines magnetischen aufzeichnungstraegers | |
| DE3924457A1 (de) | Magnetaufzeichnungsmedium | |
| US6083606A (en) | Lapping tape | |
| US5009960A (en) | Magnetic recording medium prepared with polyurethane resin modified by a bicyclic amide acetal | |
| JPS59165242A (ja) | 磁気記録媒体 | |
| CN1042038C (zh) | 磁性记录介质的背面涂料及用该涂料涂覆的磁性记录介质 | |
| GB2130121A (en) | Magnetic recording medium and method for producing the same | |
| EP0483406A1 (en) | A magnetic recording medium | |
| US5114793A (en) | Magnetic recording medium comprising a specified polyurethane binder | |
| JP3067039B2 (ja) | 研磨テープの製造方法 | |
| JPH0236213A (ja) | ポリウレタン樹脂及びその製造方法 | |
| KR100755607B1 (ko) | 자기 기록 매체 및 그의 제조 방법 | |
| JPH06263981A (ja) | 熱可塑性ポリウレタン樹脂組成物 | |
| GB2218925A (en) | Use of migratory catalysts to increase cure rate | |
| JPS6177134A (ja) | 放射線硬化型磁気記録媒体 | |
| JPH0630153B2 (ja) | 磁気記録媒体上の磁性体層の潤滑剤保持量を増加させる方法 | |
| JPS61187972A (ja) | 金属粉末含有塗膜の形成方法 | |
| JPH01162221A (ja) | 磁気記録媒体とそ製造方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C13 | Decision | ||
| GR02 | Examined patent application | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Applicant after: Ann, peck media company Applicant before: Ampex Corp |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: AMPEX CORP. TO: AMPEX MEDIA CORP. |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |