FR2491246A1 - Milieu magnetique muri par irradiation et son procede de production - Google Patents
Milieu magnetique muri par irradiation et son procede de production Download PDFInfo
- Publication number
- FR2491246A1 FR2491246A1 FR8117755A FR8117755A FR2491246A1 FR 2491246 A1 FR2491246 A1 FR 2491246A1 FR 8117755 A FR8117755 A FR 8117755A FR 8117755 A FR8117755 A FR 8117755A FR 2491246 A1 FR2491246 A1 FR 2491246A1
- Authority
- FR
- France
- Prior art keywords
- acrylated
- molecular weight
- irradiation
- magnetic
- acrylate prepolymer
- 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
- 238000000034 method Methods 0.000 title claims description 20
- 230000008569 process Effects 0.000 title claims description 7
- 239000011230 binding agent Substances 0.000 claims abstract description 44
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims abstract description 30
- 239000000203 mixture Substances 0.000 claims abstract description 27
- 239000000758 substrate Substances 0.000 claims abstract description 15
- 229920001169 thermoplastic Polymers 0.000 claims abstract description 15
- 229920002635 polyurethane Polymers 0.000 claims abstract description 14
- 239000004814 polyurethane Substances 0.000 claims abstract description 14
- 239000006249 magnetic particle Substances 0.000 claims abstract description 10
- 238000010894 electron beam technology Methods 0.000 claims description 26
- 239000011248 coating agent Substances 0.000 claims description 20
- 238000000576 coating method Methods 0.000 claims description 20
- 230000005855 radiation Effects 0.000 claims description 10
- 229920000728 polyester Polymers 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 6
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000003490 calendering Methods 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 229920000570 polyether Polymers 0.000 claims description 5
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 4
- 239000004593 Epoxy Substances 0.000 claims description 3
- 229920002292 Nylon 6 Polymers 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 claims description 3
- 230000008020 evaporation Effects 0.000 claims description 3
- 229920006158 high molecular weight polymer Polymers 0.000 claims 2
- 239000002274 desiccant Substances 0.000 claims 1
- 230000035800 maturation Effects 0.000 description 13
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 12
- 238000004132 cross linking Methods 0.000 description 10
- 229920000642 polymer Polymers 0.000 description 10
- 239000000126 substance Substances 0.000 description 9
- 239000002245 particle Substances 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 7
- 230000005070 ripening Effects 0.000 description 7
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 229920006287 phenoxy resin Polymers 0.000 description 6
- 239000013034 phenoxy resin Substances 0.000 description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 5
- 239000004615 ingredient Substances 0.000 description 5
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 4
- 239000003822 epoxy resin Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 229920000647 polyepoxide Polymers 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 3
- -1 Diacrylic ester Chemical class 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- 125000005442 diisocyanate group Chemical group 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- IIZPXYDJLKNOIY-JXPKJXOSSA-N 1-palmitoyl-2-arachidonoyl-sn-glycero-3-phosphocholine Chemical compound CCCCCCCCCCCCCCCC(=O)OC[C@H](COP([O-])(=O)OCC[N+](C)(C)C)OC(=O)CCC\C=C/C\C=C/C\C=C/C\C=C/CCCCC IIZPXYDJLKNOIY-JXPKJXOSSA-N 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- KUBDPQJOLOUJRM-UHFFFAOYSA-N 2-(chloromethyl)oxirane;4-[2-(4-hydroxyphenyl)propan-2-yl]phenol Chemical compound ClCC1CO1.C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 KUBDPQJOLOUJRM-UHFFFAOYSA-N 0.000 description 2
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 229920013683 Celanese Polymers 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 239000001361 adipic acid Substances 0.000 description 2
- 235000011037 adipic acid Nutrition 0.000 description 2
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000000787 lecithin Substances 0.000 description 2
- 229940067606 lecithin Drugs 0.000 description 2
- 235000010445 lecithin Nutrition 0.000 description 2
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 229920005749 polyurethane resin Polymers 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- 150000003673 urethanes Chemical class 0.000 description 2
- GXTWRDNRTCRTTO-RFVHGSKJSA-N (8R)-8-ethyl-4-methyl-2-phenyl-8,9-dihydro-7H-imidazo[2,1-f]purin-5-one hydrochloride Chemical compound Cl.CC[C@@H]1Cn2c(N1)c1nc(nc1n(C)c2=O)-c1ccccc1 GXTWRDNRTCRTTO-RFVHGSKJSA-N 0.000 description 1
- NHUXFMNHQIITCP-UHFFFAOYSA-N 2-butoxyethyl octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCCOCCCC NHUXFMNHQIITCP-UHFFFAOYSA-N 0.000 description 1
- MUZDXNQOSGWMJJ-UHFFFAOYSA-N 2-methylprop-2-enoic acid;prop-2-enoic acid Chemical compound OC(=O)C=C.CC(=C)C(O)=O MUZDXNQOSGWMJJ-UHFFFAOYSA-N 0.000 description 1
- 101710082795 30S ribosomal protein S17, chloroplastic Proteins 0.000 description 1
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 1
- ZYUVGYBAPZYKSA-UHFFFAOYSA-N 5-(3-hydroxybutan-2-yl)-4-methylbenzene-1,3-diol Chemical compound CC(O)C(C)C1=CC(O)=CC(O)=C1C ZYUVGYBAPZYKSA-UHFFFAOYSA-N 0.000 description 1
- 229930185605 Bisphenol Natural products 0.000 description 1
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 239000004640 Melamine resin Substances 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 description 1
- UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 241000220010 Rhode Species 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 description 1
- 125000002777 acetyl group Chemical class [H]C([H])([H])C(*)=O 0.000 description 1
- 229920006243 acrylic copolymer Polymers 0.000 description 1
- 238000012644 addition polymerization Methods 0.000 description 1
- 229920000180 alkyd Polymers 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 150000003868 ammonium compounds Chemical class 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- NTXGQCSETZTARF-UHFFFAOYSA-N buta-1,3-diene;prop-2-enenitrile Chemical compound C=CC=C.C=CC#N NTXGQCSETZTARF-UHFFFAOYSA-N 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 229940090961 chromium dioxide Drugs 0.000 description 1
- IAQWMWUKBQPOIY-UHFFFAOYSA-N chromium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Cr+4] IAQWMWUKBQPOIY-UHFFFAOYSA-N 0.000 description 1
- AYTAKQFHWFYBMA-UHFFFAOYSA-N chromium(IV) oxide Inorganic materials O=[Cr]=O AYTAKQFHWFYBMA-UHFFFAOYSA-N 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
- NHADDZMCASKINP-HTRCEHHLSA-N decarboxydihydrocitrinin Natural products C1=C(O)C(C)=C2[C@H](C)[C@@H](C)OCC2=C1O NHADDZMCASKINP-HTRCEHHLSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000001227 electron beam curing Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 235000013980 iron oxide Nutrition 0.000 description 1
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 1
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 229920005684 linear copolymer Polymers 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- DWLAVVBOGOXHNH-UHFFFAOYSA-L magnesium;prop-2-enoate Chemical compound [Mg+2].[O-]C(=O)C=C.[O-]C(=O)C=C DWLAVVBOGOXHNH-UHFFFAOYSA-L 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 150000002895 organic esters Chemical class 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 239000004584 polyacrylic acid Substances 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
- 229920006254 polymer film Polymers 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- KCTAWXVAICEBSD-UHFFFAOYSA-N prop-2-enoyloxy prop-2-eneperoxoate Chemical compound C=CC(=O)OOOC(=O)C=C KCTAWXVAICEBSD-UHFFFAOYSA-N 0.000 description 1
- 238000007348 radical reaction Methods 0.000 description 1
- 230000035802 rapid maturation Effects 0.000 description 1
- 239000002964 rayon Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F299/00—Macromolecular compounds obtained by interreacting polymers involving only carbon-to-carbon unsaturated bond reactions, in the absence of non-macromolecular monomers
- C08F299/02—Macromolecular compounds obtained by interreacting polymers involving only carbon-to-carbon unsaturated bond reactions, in the absence of non-macromolecular monomers from unsaturated polycondensates
- C08F299/022—Macromolecular compounds obtained by interreacting polymers involving only carbon-to-carbon unsaturated bond reactions, in the absence of non-macromolecular monomers from unsaturated polycondensates from polycondensates with side or terminal unsaturations
-
- 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
- G11B5/702—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 characterised by the bonding agent
- G11B5/7021—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 characterised by the bonding agent containing a polyurethane or a polyisocyanate
- G11B5/7022—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 characterised by the bonding agent containing a polyurethane or a polyisocyanate containing mixtures of polyurethanes or polyisocyanates with other polymers
-
- 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
- G11B5/702—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 characterised by the bonding agent
- G11B5/7023—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 characterised by the bonding agent containing polyesters, polyethers, silicones, polyvinyl resins, polyacrylresins or epoxy resins
-
- 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
- G11B5/702—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 characterised by the bonding agent
- G11B5/7026—Radiation curable polymers
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
- Polymerisation Methods In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US18997980A | 1980-09-22 | 1980-09-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2491246A1 true FR2491246A1 (fr) | 1982-04-02 |
| FR2491246B1 FR2491246B1 (cs) | 1984-12-28 |
Family
ID=22699560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8117755A Granted FR2491246A1 (fr) | 1980-09-22 | 1981-09-21 | Milieu magnetique muri par irradiation et son procede de production |
Country Status (11)
| Country | Link |
|---|---|
| EP (1) | EP0060300A1 (cs) |
| JP (1) | JPS5786131A (cs) |
| AU (1) | AU546317B2 (cs) |
| BR (1) | BR8106017A (cs) |
| CA (1) | CA1167408A (cs) |
| DE (1) | DE3137691C2 (cs) |
| FR (1) | FR2491246A1 (cs) |
| GB (1) | GB2084589B (cs) |
| IE (1) | IE51908B1 (cs) |
| MX (1) | MX158193A (cs) |
| WO (1) | WO1982001099A1 (cs) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4408020A (en) * | 1982-06-28 | 1983-10-04 | The B. F. Goodrich Company | Curable polyurethanes |
| JPS5979431A (ja) * | 1982-10-29 | 1984-05-08 | Konishiroku Photo Ind Co Ltd | 磁気記録媒体 |
| EP0123081A3 (en) * | 1983-03-09 | 1986-11-26 | DeSOTO, INC. | Coatings for magnetic recording structures and production thereof |
| US4507458A (en) * | 1983-04-14 | 1985-03-26 | Takeda Chemical Industries, Ltd. | Urethane acrylate compositions |
| JPS6057531A (ja) * | 1983-09-07 | 1985-04-03 | Kao Corp | 磁気記録媒体 |
| DE3332564A1 (de) * | 1983-09-09 | 1985-03-28 | Basf Ag, 6700 Ludwigshafen | Magnetische aufzeichnungstraeger |
| DE3418482A1 (de) * | 1984-05-18 | 1985-11-21 | Basf Ag, 6700 Ludwigshafen | Magnetische aufzeichnungstraeger |
| US4594262A (en) * | 1984-07-05 | 1986-06-10 | Minnesota Mining And Manufacturing Company | Electron beam adhesion-promoting treatment of polyester film base |
| US4543268A (en) * | 1984-07-05 | 1985-09-24 | Minnesota Mining And Manufacturing Company | Electron-beam adhesion-promoting treatment of polyester film base for magnetic recording media |
| JPH0610856B2 (ja) * | 1984-08-04 | 1994-02-09 | ティーディーケイ株式会社 | 磁気記録媒体 |
| US5281482A (en) * | 1988-04-22 | 1994-01-25 | Minnesota Mining And Manufacturing Company | Magnetic recording medium comprising magnetic particles and an electron beam curable polyurethane binder having segments derived from a specified unsaturated diol |
| US5028683A (en) * | 1988-04-22 | 1991-07-02 | Minnesota Mining And Manufacturing Company | Electron-beam curable polyurethane compositions; and method |
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| GB829512A (en) * | 1957-01-31 | 1960-03-02 | Dow Chemical Co | Method for cross-linking vinyl chloride polymers |
| US3104983A (en) * | 1959-08-26 | 1963-09-24 | Ibm | Method of curing magnetic tape binder comprising butadiene-acrylonitrile and phenolicresin with subatomic radiation |
| GB1150947A (en) * | 1965-09-15 | 1969-05-07 | Basf Ag | Production of Magnetic Recording Media |
| FR2272140A1 (cs) * | 1974-05-20 | 1975-12-19 | Mobil Oil | |
| US4012559A (en) * | 1974-10-31 | 1977-03-15 | Toray Industries, Inc | Radiation curable coating composition and precoated metal having top coat based on the same |
| FR2425094A1 (fr) * | 1978-05-01 | 1979-11-30 | Minnesota Mining & Mfg | Compositions photopolymerisables |
| FR2456963A1 (fr) * | 1979-05-18 | 1980-12-12 | Eastman Kodak Co | Produit photographique muni d'une piste d'enregistrement magnetique et procede pour sa fabrication |
| FR2463478A1 (fr) * | 1979-08-06 | 1981-02-20 | Sony Corp | Element d'enregistrement magnetique |
| FR2463476A1 (fr) * | 1979-08-06 | 1981-02-20 | Sony Corp | Element d'enregistrement magnetique |
| FR2463477A1 (fr) * | 1979-08-06 | 1981-02-20 | Sony Corp | Element d'enregistrement magnetique |
| US4273633A (en) * | 1979-06-11 | 1981-06-16 | Union Carbide Corporation | Radiation curable dispersions containing high molecular weight essentially nonpolymerizable vinyl resins |
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|---|---|---|---|---|
| DE2100037C3 (de) * | 1971-01-02 | 1980-06-19 | Hartmann, Job-Werner, Dr., 6700 Ludwigshafen | Verfahren zur Herstellung von magnetischen Aufzeichnungsträgern |
| GB1431854A (en) * | 1972-04-07 | 1976-04-14 | Sony Corp | Magnetic recording media and methods of making them |
| US4072592A (en) * | 1974-05-20 | 1978-02-07 | Mobil Oil Corporation | Radiation curable coating |
| US4152485A (en) * | 1977-08-05 | 1979-05-01 | Toyo Boseki Kabushiki Kaisha | Magnetic recording medium |
-
1981
- 1981-09-16 CA CA000385988A patent/CA1167408A/en not_active Expired
- 1981-09-17 GB GB8128186A patent/GB2084589B/en not_active Expired
- 1981-09-18 IE IE218781A patent/IE51908B1/en unknown
- 1981-09-21 FR FR8117755A patent/FR2491246A1/fr active Granted
- 1981-09-21 JP JP14929181A patent/JPS5786131A/ja active Pending
- 1981-09-21 BR BR8106017A patent/BR8106017A/pt unknown
- 1981-09-22 EP EP19810902865 patent/EP0060300A1/en not_active Withdrawn
- 1981-09-22 MX MX18925381A patent/MX158193A/es unknown
- 1981-09-22 DE DE19813137691 patent/DE3137691C2/de not_active Expired
- 1981-09-22 AU AU75546/81A patent/AU546317B2/en not_active Ceased
- 1981-09-22 WO PCT/US1981/001276 patent/WO1982001099A1/en not_active Ceased
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB829512A (en) * | 1957-01-31 | 1960-03-02 | Dow Chemical Co | Method for cross-linking vinyl chloride polymers |
| US3104983A (en) * | 1959-08-26 | 1963-09-24 | Ibm | Method of curing magnetic tape binder comprising butadiene-acrylonitrile and phenolicresin with subatomic radiation |
| GB1150947A (en) * | 1965-09-15 | 1969-05-07 | Basf Ag | Production of Magnetic Recording Media |
| FR2272140A1 (cs) * | 1974-05-20 | 1975-12-19 | Mobil Oil | |
| US4012559A (en) * | 1974-10-31 | 1977-03-15 | Toray Industries, Inc | Radiation curable coating composition and precoated metal having top coat based on the same |
| FR2425094A1 (fr) * | 1978-05-01 | 1979-11-30 | Minnesota Mining & Mfg | Compositions photopolymerisables |
| FR2456963A1 (fr) * | 1979-05-18 | 1980-12-12 | Eastman Kodak Co | Produit photographique muni d'une piste d'enregistrement magnetique et procede pour sa fabrication |
| US4273633A (en) * | 1979-06-11 | 1981-06-16 | Union Carbide Corporation | Radiation curable dispersions containing high molecular weight essentially nonpolymerizable vinyl resins |
| FR2463478A1 (fr) * | 1979-08-06 | 1981-02-20 | Sony Corp | Element d'enregistrement magnetique |
| FR2463476A1 (fr) * | 1979-08-06 | 1981-02-20 | Sony Corp | Element d'enregistrement magnetique |
| FR2463477A1 (fr) * | 1979-08-06 | 1981-02-20 | Sony Corp | Element d'enregistrement magnetique |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0060300A1 (en) | 1982-09-22 |
| WO1982001099A1 (en) | 1982-04-01 |
| AU546317B2 (en) | 1985-08-29 |
| MX158193A (es) | 1989-01-16 |
| GB2084589A (en) | 1982-04-15 |
| CA1167408A (en) | 1984-05-15 |
| JPS5786131A (en) | 1982-05-29 |
| AU7554681A (en) | 1982-04-01 |
| DE3137691C2 (de) | 1984-05-17 |
| DE3137691A1 (de) | 1982-05-27 |
| GB2084589B (en) | 1984-08-22 |
| BR8106017A (pt) | 1982-06-08 |
| IE51908B1 (en) | 1987-04-29 |
| IE812187L (en) | 1982-03-22 |
| FR2491246B1 (cs) | 1984-12-28 |
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