JP7456712B1 - 感熱記録体 - Google Patents
感熱記録体 Download PDFInfo
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- JP7456712B1 JP7456712B1 JP2023570133A JP2023570133A JP7456712B1 JP 7456712 B1 JP7456712 B1 JP 7456712B1 JP 2023570133 A JP2023570133 A JP 2023570133A JP 2023570133 A JP2023570133 A JP 2023570133A JP 7456712 B1 JP7456712 B1 JP 7456712B1
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- heat
- sensitive recording
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- phenolic
- recording material
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- 239000000463 material Substances 0.000 title claims abstract description 97
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims abstract description 56
- 239000002530 phenolic antioxidant Substances 0.000 claims abstract description 41
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 34
- 150000001875 compounds Chemical class 0.000 claims abstract description 29
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 18
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000011574 phosphorus Substances 0.000 claims abstract description 15
- -1 R 21 Chemical compound 0.000 claims description 47
- 230000003078 antioxidant effect Effects 0.000 claims description 19
- 125000001424 substituent group Chemical group 0.000 claims description 18
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 11
- 125000004437 phosphorous atom Chemical group 0.000 claims description 3
- 238000011161 development Methods 0.000 abstract description 41
- 239000000126 substance Substances 0.000 abstract description 14
- 231100000507 endocrine disrupting Toxicity 0.000 abstract description 7
- 230000003287 optical effect Effects 0.000 description 41
- 239000002245 particle Substances 0.000 description 41
- 230000000052 comparative effect Effects 0.000 description 34
- 235000006708 antioxidants Nutrition 0.000 description 31
- 238000012360 testing method Methods 0.000 description 25
- 229920005989 resin Polymers 0.000 description 24
- 239000011347 resin Substances 0.000 description 24
- 239000011248 coating agent Substances 0.000 description 22
- 238000000576 coating method Methods 0.000 description 22
- 239000004014 plasticizer Substances 0.000 description 17
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 16
- 229920001577 copolymer Polymers 0.000 description 16
- 230000008020 evaporation Effects 0.000 description 15
- 238000001704 evaporation Methods 0.000 description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 15
- 230000035945 sensitivity Effects 0.000 description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 11
- 125000000217 alkyl group Chemical group 0.000 description 11
- 239000000945 filler Substances 0.000 description 11
- 150000002989 phenols Chemical class 0.000 description 11
- 230000002209 hydrophobic effect Effects 0.000 description 10
- 239000004372 Polyvinyl alcohol Substances 0.000 description 9
- 239000011230 binding agent Substances 0.000 description 9
- 239000000975 dye Substances 0.000 description 9
- 239000000839 emulsion Substances 0.000 description 9
- 239000007788 liquid Substances 0.000 description 9
- 229920002451 polyvinyl alcohol Polymers 0.000 description 9
- 229910000019 calcium carbonate Inorganic materials 0.000 description 8
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 8
- 238000005259 measurement Methods 0.000 description 8
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 8
- 239000007787 solid Substances 0.000 description 8
- 238000004383 yellowing Methods 0.000 description 8
- 125000003118 aryl group Chemical group 0.000 description 7
- 125000004432 carbon atom Chemical group C* 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 7
- 238000011156 evaluation Methods 0.000 description 7
- 150000002430 hydrocarbons Chemical group 0.000 description 7
- 239000000314 lubricant Substances 0.000 description 7
- 238000003860 storage Methods 0.000 description 7
- 239000000758 substrate Substances 0.000 description 7
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 6
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 6
- 239000002585 base Substances 0.000 description 6
- 239000004927 clay Substances 0.000 description 6
- 239000003086 colorant Substances 0.000 description 6
- 239000000598 endocrine disruptor Substances 0.000 description 6
- 231100000049 endocrine disruptor Toxicity 0.000 description 6
- 239000004698 Polyethylene Substances 0.000 description 5
- 239000012535 impurity Substances 0.000 description 5
- 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 5
- 238000000034 method Methods 0.000 description 5
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 5
- 229920002401 polyacrylamide Polymers 0.000 description 5
- 229920000573 polyethylene Polymers 0.000 description 5
- 239000001993 wax Substances 0.000 description 5
- KGRVJHAUYBGFFP-UHFFFAOYSA-N 2,2'-Methylenebis(4-methyl-6-tert-butylphenol) Chemical compound CC(C)(C)C1=CC(C)=CC(CC=2C(=C(C=C(C)C=2)C(C)(C)C)O)=C1O KGRVJHAUYBGFFP-UHFFFAOYSA-N 0.000 description 4
- 229920000178 Acrylic resin Polymers 0.000 description 4
- 239000004925 Acrylic resin Substances 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 4
- 125000003545 alkoxy group Chemical group 0.000 description 4
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 4
- 229910052570 clay Inorganic materials 0.000 description 4
- 239000011258 core-shell material Substances 0.000 description 4
- KZTYYGOKRVBIMI-UHFFFAOYSA-N diphenyl sulfone Chemical compound C=1C=CC=CC=1S(=O)(=O)C1=CC=CC=C1 KZTYYGOKRVBIMI-UHFFFAOYSA-N 0.000 description 4
- 150000002148 esters Chemical class 0.000 description 4
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 description 4
- 229920005990 polystyrene resin Polymers 0.000 description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 3
- PYSRRFNXTXNWCD-UHFFFAOYSA-N 3-(2-phenylethenyl)furan-2,5-dione Chemical compound O=C1OC(=O)C(C=CC=2C=CC=CC=2)=C1 PYSRRFNXTXNWCD-UHFFFAOYSA-N 0.000 description 3
- 239000005995 Aluminium silicate Substances 0.000 description 3
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 3
- 108010010803 Gelatin Proteins 0.000 description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 3
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 description 3
- 239000004354 Hydroxyethyl cellulose Substances 0.000 description 3
- 239000005909 Kieselgur Substances 0.000 description 3
- JKIJEFPNVSHHEI-UHFFFAOYSA-N Phenol, 2,4-bis(1,1-dimethylethyl)-, phosphite (3:1) Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP(OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)OC1=CC=C(C(C)(C)C)C=C1C(C)(C)C JKIJEFPNVSHHEI-UHFFFAOYSA-N 0.000 description 3
- 239000004793 Polystyrene Substances 0.000 description 3
- 229920001328 Polyvinylidene chloride Polymers 0.000 description 3
- 229920002472 Starch Polymers 0.000 description 3
- 229920000147 Styrene maleic anhydride Polymers 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 3
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 3
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 125000002947 alkylene group Chemical group 0.000 description 3
- 235000012211 aluminium silicate Nutrition 0.000 description 3
- 125000004106 butoxy group Chemical group [*]OC([H])([H])C([H])([H])C(C([H])([H])[H])([H])[H] 0.000 description 3
- 239000004202 carbamide Substances 0.000 description 3
- 239000001768 carboxy methyl cellulose Substances 0.000 description 3
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 3
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 3
- 239000005018 casein Substances 0.000 description 3
- 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 3
- 235000021240 caseins Nutrition 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- FWQHNLCNFPYBCA-UHFFFAOYSA-N fluoran Chemical compound C12=CC=CC=C2OC2=CC=CC=C2C11OC(=O)C2=CC=CC=C21 FWQHNLCNFPYBCA-UHFFFAOYSA-N 0.000 description 3
- 239000008273 gelatin Substances 0.000 description 3
- 229920000159 gelatin Polymers 0.000 description 3
- 235000019322 gelatine Nutrition 0.000 description 3
- 235000011852 gelatine desserts Nutrition 0.000 description 3
- 125000005843 halogen group Chemical group 0.000 description 3
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 description 3
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 3
- 239000001095 magnesium carbonate Substances 0.000 description 3
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 3
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 3
- 239000000347 magnesium hydroxide Substances 0.000 description 3
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 3
- 239000000395 magnesium oxide Substances 0.000 description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 3
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 229920000609 methyl cellulose Polymers 0.000 description 3
- 239000001923 methylcellulose Substances 0.000 description 3
- 235000010981 methylcellulose Nutrition 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 3
- 125000001820 oxy group Chemical group [*:1]O[*:2] 0.000 description 3
- 239000000049 pigment Substances 0.000 description 3
- 229920005672 polyolefin resin Polymers 0.000 description 3
- 229920002223 polystyrene Polymers 0.000 description 3
- 239000011118 polyvinyl acetate Substances 0.000 description 3
- 229920002689 polyvinyl acetate Polymers 0.000 description 3
- 229920000915 polyvinyl chloride Polymers 0.000 description 3
- 239000004800 polyvinyl chloride Substances 0.000 description 3
- 239000005033 polyvinylidene chloride Substances 0.000 description 3
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 3
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 3
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 238000001454 recorded image Methods 0.000 description 3
- 239000000741 silica gel Substances 0.000 description 3
- 229910002027 silica gel Inorganic materials 0.000 description 3
- 239000008107 starch Substances 0.000 description 3
- 235000019698 starch Nutrition 0.000 description 3
- 229920003048 styrene butadiene rubber Polymers 0.000 description 3
- 239000000454 talc Substances 0.000 description 3
- 229910052623 talc Inorganic materials 0.000 description 3
- 229920005992 thermoplastic resin Polymers 0.000 description 3
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 3
- 229920003169 water-soluble polymer Polymers 0.000 description 3
- 239000011787 zinc oxide Substances 0.000 description 3
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 3
- OAGNKYSIOSDNIG-UHFFFAOYSA-N 1-methyl-3-[2-(3-methylphenoxy)ethoxy]benzene Chemical compound CC1=CC=CC(OCCOC=2C=C(C)C=CC=2)=C1 OAGNKYSIOSDNIG-UHFFFAOYSA-N 0.000 description 2
- YCOXTKKNXUZSKD-UHFFFAOYSA-N 3,4-xylenol Chemical compound CC1=CC=C(O)C=C1C YCOXTKKNXUZSKD-UHFFFAOYSA-N 0.000 description 2
- PRWJPWSKLXYEPD-UHFFFAOYSA-N 4-[4,4-bis(5-tert-butyl-4-hydroxy-2-methylphenyl)butan-2-yl]-2-tert-butyl-5-methylphenol Chemical compound C=1C(C(C)(C)C)=C(O)C=C(C)C=1C(C)CC(C=1C(=CC(O)=C(C=1)C(C)(C)C)C)C1=CC(C(C)(C)C)=C(O)C=C1C PRWJPWSKLXYEPD-UHFFFAOYSA-N 0.000 description 2
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 2
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 2
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- 229920002125 Sokalan® Polymers 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 239000007983 Tris buffer Substances 0.000 description 2
- 229920002433 Vinyl chloride-vinyl acetate copolymer Polymers 0.000 description 2
- 125000005396 acrylic acid ester group Chemical group 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- 150000001447 alkali salts Chemical class 0.000 description 2
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 2
- 125000003277 amino group Chemical group 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 125000004104 aryloxy group Chemical group 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000004040 coloring Methods 0.000 description 2
- 239000003431 cross linking reagent Substances 0.000 description 2
- 125000004663 dialkyl amino group Chemical group 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000001863 hydroxypropyl cellulose Substances 0.000 description 2
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 description 2
- 229910052622 kaolinite Inorganic materials 0.000 description 2
- 125000005647 linker group Chemical group 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- XJRBAMWJDBPFIM-UHFFFAOYSA-N methyl vinyl ether Chemical compound COC=C XJRBAMWJDBPFIM-UHFFFAOYSA-N 0.000 description 2
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- LYRFLYHAGKPMFH-UHFFFAOYSA-N octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(N)=O LYRFLYHAGKPMFH-UHFFFAOYSA-N 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 239000004584 polyacrylic acid Substances 0.000 description 2
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- 235000019422 polyvinyl alcohol Nutrition 0.000 description 2
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 239000012321 sodium triacetoxyborohydride Substances 0.000 description 2
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- LNAZSHAWQACDHT-XIYTZBAFSA-N (2r,3r,4s,5r,6s)-4,5-dimethoxy-2-(methoxymethyl)-3-[(2s,3r,4s,5r,6r)-3,4,5-trimethoxy-6-(methoxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6r)-4,5,6-trimethoxy-2-(methoxymethyl)oxan-3-yl]oxyoxane Chemical compound CO[C@@H]1[C@@H](OC)[C@H](OC)[C@@H](COC)O[C@H]1O[C@H]1[C@H](OC)[C@@H](OC)[C@H](O[C@H]2[C@@H]([C@@H](OC)[C@H](OC)O[C@@H]2COC)OC)O[C@@H]1COC LNAZSHAWQACDHT-XIYTZBAFSA-N 0.000 description 1
- LIZLYZVAYZQVPG-UHFFFAOYSA-N (3-bromo-2-fluorophenyl)methanol Chemical compound OCC1=CC=CC(Br)=C1F LIZLYZVAYZQVPG-UHFFFAOYSA-N 0.000 description 1
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 1
- RGASRBUYZODJTG-UHFFFAOYSA-N 1,1-bis(2,4-ditert-butylphenyl)-2,2-bis(hydroxymethyl)propane-1,3-diol dihydroxyphosphanyl dihydrogen phosphite Chemical compound OP(O)OP(O)O.C(C)(C)(C)C1=C(C=CC(=C1)C(C)(C)C)C(O)(C(CO)(CO)CO)C1=C(C=C(C=C1)C(C)(C)C)C(C)(C)C RGASRBUYZODJTG-UHFFFAOYSA-N 0.000 description 1
- JTWBMEAENZGSOQ-UHFFFAOYSA-N 1,2-bis(phenoxymethyl)benzene Chemical compound C=1C=CC=C(COC=2C=CC=CC=2)C=1COC1=CC=CC=C1 JTWBMEAENZGSOQ-UHFFFAOYSA-N 0.000 description 1
- YJTKZCDBKVTVBY-UHFFFAOYSA-N 1,3-Diphenylbenzene Chemical group C1=CC=CC=C1C1=CC=CC(C=2C=CC=CC=2)=C1 YJTKZCDBKVTVBY-UHFFFAOYSA-N 0.000 description 1
- BGLZECVIKIGPIF-UHFFFAOYSA-N 1-[2-(benzenesulfonamido)phenyl]-3-phenylurea Chemical compound C=1C=CC=C(NS(=O)(=O)C=2C=CC=CC=2)C=1NC(=O)NC1=CC=CC=C1 BGLZECVIKIGPIF-UHFFFAOYSA-N 0.000 description 1
- AGPLQTQFIZBOLI-UHFFFAOYSA-N 1-benzyl-4-phenylbenzene Chemical group C=1C=C(C=2C=CC=CC=2)C=CC=1CC1=CC=CC=C1 AGPLQTQFIZBOLI-UHFFFAOYSA-N 0.000 description 1
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 description 1
- UIFAEJQCFLEWCF-UHFFFAOYSA-N 1-methyl-4-[2-(4-methylphenoxy)ethoxy]benzene Chemical compound C1=CC(C)=CC=C1OCCOC1=CC=C(C)C=C1 UIFAEJQCFLEWCF-UHFFFAOYSA-N 0.000 description 1
- 125000001637 1-naphthyl group Chemical group [H]C1=C([H])C([H])=C2C(*)=C([H])C([H])=C([H])C2=C1[H] 0.000 description 1
- JWSWULLEVAMIJK-UHFFFAOYSA-N 1-phenylmethoxynaphthalene Chemical compound C=1C=CC2=CC=CC=C2C=1OCC1=CC=CC=C1 JWSWULLEVAMIJK-UHFFFAOYSA-N 0.000 description 1
- GSCLSACFHWKTQU-UHFFFAOYSA-N 2'-chloro-6'-(diethylamino)spiro[2-benzofuran-3,9'-xanthene]-1-one Chemical compound O1C(=O)C2=CC=CC=C2C21C1=CC(Cl)=CC=C1OC1=CC(N(CC)CC)=CC=C21 GSCLSACFHWKTQU-UHFFFAOYSA-N 0.000 description 1
- BSYJHYLAMMJNRC-UHFFFAOYSA-N 2,4,4-trimethylpentan-2-ol Chemical compound CC(C)(C)CC(C)(C)O BSYJHYLAMMJNRC-UHFFFAOYSA-N 0.000 description 1
- GWLLTEXUIOFAFE-UHFFFAOYSA-N 2,6-diisopropylnaphthalene Chemical compound C1=C(C(C)C)C=CC2=CC(C(C)C)=CC=C21 GWLLTEXUIOFAFE-UHFFFAOYSA-N 0.000 description 1
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- QKJAZPHKNWSXDF-UHFFFAOYSA-N 2-bromoquinoline Chemical compound C1=CC=CC2=NC(Br)=CC=C21 QKJAZPHKNWSXDF-UHFFFAOYSA-N 0.000 description 1
- 125000004493 2-methylbut-1-yl group Chemical group CC(C*)CC 0.000 description 1
- 125000001622 2-naphthyl group Chemical group [H]C1=C([H])C([H])=C2C([H])=C(*)C([H])=C([H])C2=C1[H] 0.000 description 1
- XCSGHNKDXGYELG-UHFFFAOYSA-N 2-phenoxyethoxybenzene Chemical compound C=1C=CC=CC=1OCCOC1=CC=CC=C1 XCSGHNKDXGYELG-UHFFFAOYSA-N 0.000 description 1
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- LMYRWZFENFIFIT-UHFFFAOYSA-N toluene-4-sulfonamide Chemical compound CC1=CC=C(S(N)(=O)=O)C=C1 LMYRWZFENFIFIT-UHFFFAOYSA-N 0.000 description 1
- 125000003944 tolyl group Chemical group 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 125000003258 trimethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- ILLOBGFGKYTZRO-UHFFFAOYSA-N tris(2-ethylhexyl) phosphite Chemical compound CCCCC(CC)COP(OCC(CC)CCCC)OCC(CC)CCCC ILLOBGFGKYTZRO-UHFFFAOYSA-N 0.000 description 1
- WGKLOLBTFWFKOD-UHFFFAOYSA-N tris(2-nonylphenyl) phosphite Chemical compound CCCCCCCCCC1=CC=CC=C1OP(OC=1C(=CC=CC=1)CCCCCCCCC)OC1=CC=CC=C1CCCCCCCCC WGKLOLBTFWFKOD-UHFFFAOYSA-N 0.000 description 1
- 125000002948 undecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 239000011718 vitamin C Substances 0.000 description 1
- 235000019154 vitamin C Nutrition 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
- 239000010698 whale oil Substances 0.000 description 1
- 125000005023 xylyl group Chemical group 0.000 description 1
- BOXSVZNGTQTENJ-UHFFFAOYSA-L zinc dibutyldithiocarbamate Chemical compound [Zn+2].CCCCN(C([S-])=S)CCCC.CCCCN(C([S-])=S)CCCC BOXSVZNGTQTENJ-UHFFFAOYSA-L 0.000 description 1
- XJUNLJFOHNHSAR-UHFFFAOYSA-J zirconium(4+);dicarbonate Chemical compound [Zr+4].[O-]C([O-])=O.[O-]C([O-])=O XJUNLJFOHNHSAR-UHFFFAOYSA-J 0.000 description 1
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- B41M5/333—Colour developing components therefor, e.g. acidic compounds
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- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
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Abstract
Description
これに対し、本発明の感熱記録体によれば、感熱記録層に含有される顕色剤および酸化防止剤は非フェノール系化合物である。このため、上記のような懸念が生じることはない。また、上記のような非フェノール系化合物を採用した場合でも、本発明の感熱記録体は、発色性および耐光性、さらに耐熱性に優れたものとなる。
中空率={(空隙の体積)/(中空粒子の体積)}×100
感熱記録層3が、保存性向上剤、特に、式(4)で表されるウレアウレタン化合物を含有することにより、ロイコ系染料と顕色剤との反応効率が高まり、電子移動錯体が生成しやすくなると共に逆反応が起こりにくくなり、感熱記録体の発色性が優れたものになり、さらに発色濃度が低下しにくくなり、印字保存性、特に、耐可塑剤性に優れるものと考えられる。
白色度変化量(%)=照度5000Luxで100時間放置後の白色度-試験前白色度
白色度は、JIS P 8148に準じて求められるものである。
上記白色度変化量(%)のマイナス(-)は白色度の低下量を示すものであり、0%に近いほど白色度の低下が少なく、耐光性に優れることを示すものである。
Δb=照度5000Luxで100時間放置後のb値-試験前b値
b値は、JIS Z8781-4:2013で規定されたL*a*b*色空間における色度(b値)を表す。
b値は青色から黄色の変化を示し、大きいほど黄色に、小さいほど青色に近づく。上記Δbはb値の変化量を示すものであり、プラスは黄変、マイナスは青変したことを示す。従って、Δbの絶対値が0に近いほど黄変や青変が少なく、耐光性に優れることを示すものである。
上記Δbは黄変の程度を示すものであり、値が低いほど黄変が少なく、耐光性に優れることを示すものである。
本実施形態の感熱記録体の0.20mj/dotにおける印字部の動感度(OD値)は、発色性に優れる観点から、好ましくは0.9以上であり、より好ましくは1以上である。
本実施形態の感熱記録体の0.40mj/dotにおける印字部の動感度(OD値)は、発色性に優れる観点から、好ましくは1.1以上であり、より好ましくは1.2以上である。
上記動感度(OD値)は、後掲の実施例で測定されるものであり、値が高いほど発色性に優れることを示すものである。
(感熱記録体の作製)
<アンダーコート層>
基材である坪量70g/m2の上質紙(厚さ:80μm)上に、中空粒子(固形分濃度26.5%、ローペイクHP-1055:ローム・アンド・ハース・ジャパン株式会社)70質量部、変性スチレンブタジエンラテックス(固形分濃度49%)10質量部、水20質量部の割合になった組成物を混合攪拌させたアンダーコート層用塗液を塗布し、乾燥させて、乾燥時の塗布量が3.0g/m2であり、厚さが5μmのアンダーコート層を形成した。
表1に示す感熱記録層形成用の塗液を調製し、調製した感熱記録層形成用の塗液を、上述のアンダーコート層上に、塗布量が、乾燥重量で4.0g/m2となるように塗布した後、乾燥を行うことにより、アンダーコート層上に厚さが3.5μmの感熱記録層を形成した。なお、表1において、各配合材料の数値は、乾燥時における重量比率を示している。
アクリルエマルジョン(固形分濃度30%)液を、上述の感熱記録層上に塗布し、これを乾燥させて、乾燥時の塗布量が1.6g/m2であり、厚さが1.5μmの中間層を形成した。
アクリルエマルジョン(固形分濃度20%)が40質量部、炭酸カルシウムが5質量部、ポリエチレンワックス(固形分濃度40%)が15質量部、水が40質量部の割合になったものを混合攪拌させて得た液を、中間層上に塗布し、これを乾燥させて、乾燥時の塗布量が1.0g/m2であり、厚さが0.9μmのトップコート層を形成した。
耐光性評価では、各実施例及び各比較例における各感熱記録体の印字部及び非印字部について、光学濃度(印字部のOD値/非印字部のOD値)、黄変(黄ばみ)、及び白色度の変化をそれぞれ測定した。以下、耐光性評価の手順について説明する。
動感度試験では、各実施例及び各比較例における各感熱記録体に対して、印字エネルギーを異ならせて印字を行い、それぞれの印字エネルギーにおける光学濃度(印字部のOD値)を測定した。この測定結果から、各実施例及び各比較例における各感熱記録体の動感度を評価した。以下、動感度試験の手順について説明する。
耐熱性試験では、各実施例及び各比較例における各感熱記録体の印字部及び非印字部に対して熱を加えて、印字部及び非印字部の光学濃度(印字部のOD値)を測定した。この測定結果から、各実施例及び各比較例における各感熱記録体の耐熱性を評価した。以下、耐熱性試験の手順について説明する。
表2に示す結果から下記のことが確認できた。
[実施例1~3及び比較例1]
同一の顕色剤1を含有している実施例1~3および比較例1について検討する。
これらのことから、非フェノール系酸化防止剤を含有する実施例1~3の感熱記録体は、酸化防止剤を含まない比較例1と比べて耐光性に優れることが確認できた。
これらのことから、非フェノール系酸化防止剤を含有する実施例1~3の感熱記録体は、酸化防止剤を含有しない比較例1と同程度の遜色ない発色性を有することが確認できた。
これらのことから、非フェノール系酸化防止剤を含有する実施例1~3の感熱記録体は、何らの酸化防止剤も含有しない比較例1よりも耐熱性が向上することが確認できた。
同一の顕色剤2を含有している実施例4~6および比較例2について検討する。
これらのことから、非フェノール系酸化防止剤を含有する実施例4~6は、酸化防止剤を含有しない比較例2に比べて、遜色ない耐光性を示すことが確認できた。
これらのことから、非フェノール系酸化防止剤を含有する実施例4~6の感熱記録体は、酸化防止剤を含有しない比較例2と同程度の遜色ない発色性を有することが確認できた。
このことから、非フェノール系酸化防止剤を含有していたとしても、酸化防止剤を含まない比較例2と遜色ない耐熱性を有することが確認できた。
上記測定結果より、非フェノール系顕色剤及び非フェノール系酸化防止剤を含有する感熱記録体であっても、酸化防止剤を含有しない感熱記録体よりも耐光性、発色性、及び耐熱性が劣ることは確認できなかった。そして、感熱記録体に非フェノール系酸化防止剤を含有させると、感熱記録体の耐熱性を良好に維持しながら耐光性を向上させる効果を奏することや、白色度の低下および黄変を抑制できることが分かった。
さらに、非フェノール系顕色剤および非フェノール系酸化防止剤は、フェノール系のものよりも、安全性の面で優れている。このため、非フェノール系顕色剤および非フェノール系酸化防止剤を使用することにより、環境対応の観点からも非常に有効である。
〔付記1〕
基材上に、感熱記録層が積層された感熱記録体であって、
前記感熱記録層は、発色剤と、非フェノール系顕色剤と、非フェノール系酸化防止剤とを含有し、
前記非フェノール系酸化防止剤は、リン系酸化防止剤を含有することを特徴とする、感熱記録体。
〔付記2〕
前記非フェノール性顕色剤は、下記式(1)で表される化合物及び/又は下記式(2)で表される化合物を含有する、付記1に記載の感熱記録体。
〔付記3〕
前記非フェノール系顕色剤が、下記式(1a)で表される化合物、及び/又は下記式(2a)で表される化合物を含有する、付記1又は2に記載の感熱記録体。
〔付記4〕
前記感熱記録層の全体に対する前記非フェノール系顕色剤の含有量が、10質量%以上50質量%以下である、付記1~3の何れか1つに記載の感熱記録体。
〔付記5〕
前記感熱記録層の全体に対する前記非フェノール系酸化防止剤の含有量が、5質量%以上10質量%以下である、付記1~4の何れか1つに記載の感熱記録体。
2 基材
3 感熱記録層
4 中間層
5 トップコート層
6 アンダーコート層
Claims (6)
- 基材上に、感熱記録層が積層された感熱記録体であって、
前記感熱記録層は、発色剤と、非フェノール系顕色剤と、非フェノール系酸化防止剤とを含有し、
前記非フェノール系顕色剤は、下記式(1)で表される化合物及び/又は下記式(2)で表される化合物を含有し、
前記非フェノール系酸化防止剤は、リン系酸化防止剤を含有することを特徴とする、感熱記録体。
- 前記感熱記録層の全体に対する前記非フェノール系顕色剤の含有量が、10質量%以上50質量%以下である、請求項1または2に記載の感熱記録体。
- 前記感熱記録層の全体に対する前記非フェノール系酸化防止剤の含有量が、5質量%以上10質量%以下である、請求項1または2に記載の感熱記録体。
- 前記感熱記録層の全体に対する前記非フェノール系酸化防止剤の含有量が、5質量%以上10質量%以下である、請求項3に記載の感熱記録体。
- 前記発色剤は、ロイコ系染料であり、前記リン系酸化防止剤は、分子内に3価のリン原子を有する化合物である、請求項1または2に記載の感熱記録体。
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JP2002079761A (ja) | 2000-09-08 | 2002-03-19 | Mitsubishi Paper Mills Ltd | 感熱記録材料 |
JP2002283725A (ja) | 2001-03-23 | 2002-10-03 | Fuji Photo Film Co Ltd | 感熱記録材料 |
JP2019136983A (ja) | 2018-02-14 | 2019-08-22 | 日本化薬株式会社 | 感熱記録材料 |
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JPH06155907A (ja) * | 1992-11-20 | 1994-06-03 | Ricoh Co Ltd | 可逆的熱発色性組成物及びこれを用いた可逆的感熱記録媒体 |
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JP2002079761A (ja) | 2000-09-08 | 2002-03-19 | Mitsubishi Paper Mills Ltd | 感熱記録材料 |
JP2002283725A (ja) | 2001-03-23 | 2002-10-03 | Fuji Photo Film Co Ltd | 感熱記録材料 |
JP2019136983A (ja) | 2018-02-14 | 2019-08-22 | 日本化薬株式会社 | 感熱記録材料 |
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