AU751447B2 - Method and compositions for decorating glass - Google Patents
Method and compositions for decorating glass Download PDFInfo
- Publication number
- AU751447B2 AU751447B2 AU75955/98A AU7595598A AU751447B2 AU 751447 B2 AU751447 B2 AU 751447B2 AU 75955/98 A AU75955/98 A AU 75955/98A AU 7595598 A AU7595598 A AU 7595598A AU 751447 B2 AU751447 B2 AU 751447B2
- Authority
- AU
- Australia
- Prior art keywords
- ink
- acid group
- weight
- exposure
- alkali
- 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.)
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- 239000000203 mixture Substances 0.000 title claims description 111
- 238000000034 method Methods 0.000 title claims description 76
- 239000011521 glass Substances 0.000 title claims description 56
- 239000002253 acid Substances 0.000 claims description 50
- 239000000178 monomer Substances 0.000 claims description 46
- 230000005855 radiation Effects 0.000 claims description 35
- 239000003513 alkali Substances 0.000 claims description 33
- 239000000049 pigment Substances 0.000 claims description 31
- 239000000758 substrate Substances 0.000 claims description 30
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 21
- 239000012670 alkaline solution Substances 0.000 claims description 19
- 239000002318 adhesion promoter Substances 0.000 claims description 18
- 239000002518 antifoaming agent Substances 0.000 claims description 16
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical group OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims description 13
- 239000004094 surface-active agent Substances 0.000 claims description 12
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 claims description 11
- 125000002843 carboxylic acid group Chemical group 0.000 claims description 10
- 238000001723 curing Methods 0.000 claims description 10
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 9
- 230000002378 acidificating effect Effects 0.000 claims description 9
- NIXOWILDQLNWCW-UHFFFAOYSA-M acrylate group Chemical group C(C=C)(=O)[O-] NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 8
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical group OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 7
- 229920000570 polyether Polymers 0.000 claims description 7
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 6
- 229910000077 silane Inorganic materials 0.000 claims description 6
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 5
- 125000000542 sulfonic acid group Chemical group 0.000 claims description 5
- 238000006116 polymerization reaction Methods 0.000 claims description 4
- 150000001252 acrylic acid derivatives Chemical class 0.000 claims description 3
- 125000002947 alkylene group Chemical group 0.000 claims description 3
- 239000007864 aqueous solution Substances 0.000 claims description 3
- 150000002734 metacrylic acid derivatives Chemical class 0.000 claims 2
- 238000003847 radiation curing Methods 0.000 claims 2
- 239000000976 ink Substances 0.000 description 76
- 239000000376 reactant Substances 0.000 description 29
- -1 beta-carboxyethyl Chemical group 0.000 description 21
- 125000000217 alkyl group Chemical group 0.000 description 16
- XDLMVUHYZWKMMD-UHFFFAOYSA-N 3-trimethoxysilylpropyl 2-methylprop-2-enoate Chemical compound CO[Si](OC)(OC)CCCOC(=O)C(C)=C XDLMVUHYZWKMMD-UHFFFAOYSA-N 0.000 description 15
- 229920001577 copolymer Polymers 0.000 description 14
- 239000011888 foil Substances 0.000 description 14
- 125000003118 aryl group Chemical group 0.000 description 13
- 235000013361 beverage Nutrition 0.000 description 11
- 150000002148 esters Chemical class 0.000 description 11
- 150000004756 silanes Chemical class 0.000 description 11
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 10
- 238000000576 coating method Methods 0.000 description 10
- 239000010410 layer Substances 0.000 description 10
- XMLYCEVDHLAQEL-UHFFFAOYSA-N 2-hydroxy-2-methyl-1-phenylpropan-1-one Chemical compound CC(C)(O)C(=O)C1=CC=CC=C1 XMLYCEVDHLAQEL-UHFFFAOYSA-N 0.000 description 9
- 239000000463 material Substances 0.000 description 9
- CYUZOYPRAQASLN-UHFFFAOYSA-N 3-prop-2-enoyloxypropanoic acid Chemical compound OC(=O)CCOC(=O)C=C CYUZOYPRAQASLN-UHFFFAOYSA-N 0.000 description 8
- LFOXEOLGJPJZAA-UHFFFAOYSA-N [(2,6-dimethoxybenzoyl)-(2,4,4-trimethylpentyl)phosphoryl]-(2,6-dimethoxyphenyl)methanone Chemical compound COC1=CC=CC(OC)=C1C(=O)P(=O)(CC(C)CC(C)(C)C)C(=O)C1=C(OC)C=CC=C1OC LFOXEOLGJPJZAA-UHFFFAOYSA-N 0.000 description 8
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 7
- 239000012952 cationic photoinitiator Substances 0.000 description 7
- 239000004615 ingredient Substances 0.000 description 7
- 239000003209 petroleum derivative Substances 0.000 description 7
- KCTAWXVAICEBSD-UHFFFAOYSA-N prop-2-enoyloxy prop-2-eneperoxoate Chemical compound C=CC(=O)OOOC(=O)C=C KCTAWXVAICEBSD-UHFFFAOYSA-N 0.000 description 7
- 150000003839 salts Chemical class 0.000 description 7
- IRERQBUNZFJFGC-UHFFFAOYSA-L azure blue Chemical compound [Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[S-]S[S-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-] IRERQBUNZFJFGC-UHFFFAOYSA-L 0.000 description 6
- 239000000919 ceramic Substances 0.000 description 6
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 6
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 6
- 239000004831 Hot glue Substances 0.000 description 5
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 5
- 125000002091 cationic group Chemical group 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- NHBRUUFBSBSTHM-UHFFFAOYSA-N n'-[2-(3-trimethoxysilylpropylamino)ethyl]ethane-1,2-diamine Chemical compound CO[Si](OC)(OC)CCCNCCNCCN NHBRUUFBSBSTHM-UHFFFAOYSA-N 0.000 description 5
- 238000007650 screen-printing Methods 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 239000004408 titanium dioxide Substances 0.000 description 5
- 235000013799 ultramarine blue Nutrition 0.000 description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 4
- 239000004925 Acrylic resin Substances 0.000 description 4
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical class S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 4
- DAKWPKUUDNSNPN-UHFFFAOYSA-N Trimethylolpropane triacrylate Chemical compound C=CC(=O)OCC(CC)(COC(=O)C=C)COC(=O)C=C DAKWPKUUDNSNPN-UHFFFAOYSA-N 0.000 description 4
- 125000003710 aryl alkyl group Chemical group 0.000 description 4
- 239000012965 benzophenone Substances 0.000 description 4
- 238000005034 decoration Methods 0.000 description 4
- PXZQEOJJUGGUIB-UHFFFAOYSA-N isoindolin-1-one Chemical class C1=CC=C2C(=O)NCC2=C1 PXZQEOJJUGGUIB-UHFFFAOYSA-N 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 3
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- GTELLNMUWNJXMQ-UHFFFAOYSA-N 2-ethyl-2-(hydroxymethyl)propane-1,3-diol;prop-2-enoic acid Chemical class OC(=O)C=C.OC(=O)C=C.OC(=O)C=C.CCC(CO)(CO)CO GTELLNMUWNJXMQ-UHFFFAOYSA-N 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 3
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 description 3
- 239000002537 cosmetic Substances 0.000 description 3
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 description 3
- 238000010894 electron beam technology Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 150000002118 epoxides Chemical class 0.000 description 3
- UHESRSKEBRADOO-UHFFFAOYSA-N ethyl carbamate;prop-2-enoic acid Chemical class OC(=O)C=C.CCOC(N)=O UHESRSKEBRADOO-UHFFFAOYSA-N 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 3
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 3
- 238000007639 printing Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 150000003254 radicals Chemical class 0.000 description 3
- 239000001054 red pigment Substances 0.000 description 3
- FZHAPNGMFPVSLP-UHFFFAOYSA-N silanamine Chemical class [SiH3]N FZHAPNGMFPVSLP-UHFFFAOYSA-N 0.000 description 3
- FDSUVTROAWLVJA-UHFFFAOYSA-N 2-[[3-hydroxy-2,2-bis(hydroxymethyl)propoxy]methyl]-2-(hydroxymethyl)propane-1,3-diol;prop-2-enoic acid Chemical compound OC(=O)C=C.OC(=O)C=C.OC(=O)C=C.OC(=O)C=C.OC(=O)C=C.OCC(CO)(CO)COCC(CO)(CO)CO FDSUVTROAWLVJA-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 240000007930 Oxalis acetosella Species 0.000 description 2
- 235000008098 Oxalis acetosella Nutrition 0.000 description 2
- WQDUMFSSJAZKTM-UHFFFAOYSA-N Sodium methoxide Chemical compound [Na+].[O-]C WQDUMFSSJAZKTM-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 125000004453 alkoxycarbonyl group Chemical group 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 150000008064 anhydrides Chemical class 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 239000012876 carrier material Substances 0.000 description 2
- 238000010538 cationic polymerization reaction Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000009500 colour coating Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000003085 diluting agent Substances 0.000 description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 2
- 229920000578 graft copolymer Polymers 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 239000001023 inorganic pigment Substances 0.000 description 2
- CRVGTESFCCXCTH-UHFFFAOYSA-N methyl diethanolamine Chemical compound OCCN(C)CCO CRVGTESFCCXCTH-UHFFFAOYSA-N 0.000 description 2
- 238000007645 offset printing Methods 0.000 description 2
- 239000012860 organic pigment Substances 0.000 description 2
- 150000001282 organosilanes Chemical class 0.000 description 2
- AUONHKJOIZSQGR-UHFFFAOYSA-N oxophosphane Chemical compound P=O AUONHKJOIZSQGR-UHFFFAOYSA-N 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
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- RQGPLDBZHMVWCH-UHFFFAOYSA-N pyrrolo[3,2-b]pyrrole Chemical class C1=NC2=CC=NC2=C1 RQGPLDBZHMVWCH-UHFFFAOYSA-N 0.000 description 2
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- PSGCQDPCAWOCSH-UHFFFAOYSA-N (4,7,7-trimethyl-3-bicyclo[2.2.1]heptanyl) prop-2-enoate Chemical compound C1CC2(C)C(OC(=O)C=C)CC1C2(C)C PSGCQDPCAWOCSH-UHFFFAOYSA-N 0.000 description 1
- 125000006704 (C5-C6) cycloalkyl group Chemical group 0.000 description 1
- 239000012956 1-hydroxycyclohexylphenyl-ketone Substances 0.000 description 1
- KWVGIHKZDCUPEU-UHFFFAOYSA-N 2,2-dimethoxy-2-phenylacetophenone Chemical compound C=1C=CC=CC=1C(OC)(OC)C(=O)C1=CC=CC=C1 KWVGIHKZDCUPEU-UHFFFAOYSA-N 0.000 description 1
- OLPZCIDHOZATMA-UHFFFAOYSA-N 2,2-dioxooxathiiran-3-one Chemical class O=C1OS1(=O)=O OLPZCIDHOZATMA-UHFFFAOYSA-N 0.000 description 1
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- PRAMZQXXPOLCIY-UHFFFAOYSA-N 2-(2-methylprop-2-enoyloxy)ethanesulfonic acid Chemical compound CC(=C)C(=O)OCCS(O)(=O)=O PRAMZQXXPOLCIY-UHFFFAOYSA-N 0.000 description 1
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 description 1
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- NQOGBCBPDVTBFM-UHFFFAOYSA-N 2-[2-(2-hydroxypropoxy)propoxy]propan-1-ol;prop-2-enoic acid Chemical compound OC(=O)C=C.CC(O)COC(C)COC(C)CO NQOGBCBPDVTBFM-UHFFFAOYSA-N 0.000 description 1
- NXBXJOWBDCQIHF-UHFFFAOYSA-N 2-[hydroxy-[2-(2-methylprop-2-enoyloxy)ethoxy]phosphoryl]oxyethyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCCOP(O)(=O)OCCOC(=O)C(C)=C NXBXJOWBDCQIHF-UHFFFAOYSA-N 0.000 description 1
- 239000012957 2-hydroxy-2-methyl-1-phenylpropanone Substances 0.000 description 1
- LWRBVKNFOYUCNP-UHFFFAOYSA-N 2-methyl-1-(4-methylsulfanylphenyl)-2-morpholin-4-ylpropan-1-one Chemical compound C1=CC(SC)=CC=C1C(=O)C(C)(C)N1CCOCC1 LWRBVKNFOYUCNP-UHFFFAOYSA-N 0.000 description 1
- XEEYSDHEOQHCDA-UHFFFAOYSA-N 2-methylprop-2-ene-1-sulfonic acid Chemical compound CC(=C)CS(O)(=O)=O XEEYSDHEOQHCDA-UHFFFAOYSA-N 0.000 description 1
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- 125000003342 alkenyl group Chemical group 0.000 description 1
- 125000002877 alkyl aryl group Chemical group 0.000 description 1
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- 150000008366 benzophenones Chemical class 0.000 description 1
- 125000003236 benzoyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C(*)=O 0.000 description 1
- 125000002619 bicyclic group Chemical group 0.000 description 1
- MQDJYUACMFCOFT-UHFFFAOYSA-N bis[2-(1-hydroxycyclohexyl)phenyl]methanone Chemical compound C=1C=CC=C(C(=O)C=2C(=CC=CC=2)C2(O)CCCCC2)C=1C1(O)CCCCC1 MQDJYUACMFCOFT-UHFFFAOYSA-N 0.000 description 1
- 229920001400 block copolymer Polymers 0.000 description 1
- 239000001055 blue pigment Substances 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 125000003917 carbamoyl group Chemical group [H]N([H])C(*)=O 0.000 description 1
- 125000001589 carboacyl group Chemical group 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 150000001728 carbonyl compounds Chemical class 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 229910052570 clay Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 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
- 230000002860 competitive effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 125000000753 cycloalkyl group Chemical group 0.000 description 1
- BOXSCYUXSBYGRD-UHFFFAOYSA-N cyclopenta-1,3-diene;iron(3+) Chemical class [Fe+3].C=1C=C[CH-]C=1.C=1C=C[CH-]C=1 BOXSCYUXSBYGRD-UHFFFAOYSA-N 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- MEGHWIAOTJPCHQ-UHFFFAOYSA-N ethenyl butanoate Chemical compound CCCC(=O)OC=C MEGHWIAOTJPCHQ-UHFFFAOYSA-N 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000012949 free radical photoinitiator Substances 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000013007 heat curing Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 125000002768 hydroxyalkyl group Chemical group 0.000 description 1
- JYGFTBXVXVMTGB-UHFFFAOYSA-N indolin-2-one Chemical class C1=CC=C2NC(=O)CC2=C1 JYGFTBXVXVMTGB-UHFFFAOYSA-N 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- 235000013980 iron oxide Nutrition 0.000 description 1
- DCYOBGZUOMKFPA-UHFFFAOYSA-N iron(2+);iron(3+);octadecacyanide Chemical compound [Fe+2].[Fe+2].[Fe+2].[Fe+3].[Fe+3].[Fe+3].[Fe+3].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-] DCYOBGZUOMKFPA-UHFFFAOYSA-N 0.000 description 1
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 1
- BUZRAOJSFRKWPD-UHFFFAOYSA-N isocyanatosilane Chemical class [SiH3]N=C=O BUZRAOJSFRKWPD-UHFFFAOYSA-N 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910000000 metal hydroxide Inorganic materials 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- XJRBAMWJDBPFIM-UHFFFAOYSA-N methyl vinyl ether Chemical compound COC=C XJRBAMWJDBPFIM-UHFFFAOYSA-N 0.000 description 1
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000000896 monocarboxylic acid group Chemical group 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 125000002524 organometallic group Chemical group 0.000 description 1
- CAPBXYLOGXJCFU-UHFFFAOYSA-N oxiran-2-ylmethoxysilane Chemical class [SiH3]OCC1CO1 CAPBXYLOGXJCFU-UHFFFAOYSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- HUPQYPMULVBQDL-UHFFFAOYSA-N pentanoic acid Chemical compound CCCCC(O)=O.CCCCC(O)=O HUPQYPMULVBQDL-UHFFFAOYSA-N 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- XHTWKNPMPDIELI-UHFFFAOYSA-N phenylmethoxysilane Chemical class [SiH3]OCC1=CC=CC=C1 XHTWKNPMPDIELI-UHFFFAOYSA-N 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920000151 polyglycol Polymers 0.000 description 1
- 239000010695 polyglycol Substances 0.000 description 1
- 229920005606 polypropylene copolymer Polymers 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920001289 polyvinyl ether Polymers 0.000 description 1
- UIIIBRHUICCMAI-UHFFFAOYSA-N prop-2-ene-1-sulfonic acid Chemical compound OS(=O)(=O)CC=C UIIIBRHUICCMAI-UHFFFAOYSA-N 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 229960003351 prussian blue Drugs 0.000 description 1
- 239000013225 prussian blue Substances 0.000 description 1
- HNJBEVLQSNELDL-UHFFFAOYSA-N pyrrolidin-2-one Chemical compound O=C1CCCN1 HNJBEVLQSNELDL-UHFFFAOYSA-N 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- WIJVUKXVPNVPAQ-UHFFFAOYSA-N silyl 2-methylprop-2-enoate Chemical class CC(=C)C(=O)O[SiH3] WIJVUKXVPNVPAQ-UHFFFAOYSA-N 0.000 description 1
- UIIMBOGNXHQVGW-UHFFFAOYSA-N sodium;hydron;carbonate Chemical compound [Na+].OC(O)=O UIIMBOGNXHQVGW-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- OHOBJYLZBONBBA-UHFFFAOYSA-N strontium zinc Chemical compound [Zn+2].[Sr+2] OHOBJYLZBONBBA-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- RWJUTPORTOUFDY-UHFFFAOYSA-N triethoxy-[2-(oxiran-2-ylmethoxy)ethyl]silane Chemical compound CCO[Si](OCC)(OCC)CCOCC1CO1 RWJUTPORTOUFDY-UHFFFAOYSA-N 0.000 description 1
- JXUKBNICSRJFAP-UHFFFAOYSA-N triethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CCO[Si](OCC)(OCC)CCCOCC1CO1 JXUKBNICSRJFAP-UHFFFAOYSA-N 0.000 description 1
- ZNXDCSVNCSSUNB-UHFFFAOYSA-N trimethoxy-[2-(oxiran-2-ylmethoxy)ethyl]silane Chemical compound CO[Si](OC)(OC)CCOCC1CO1 ZNXDCSVNCSSUNB-UHFFFAOYSA-N 0.000 description 1
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 description 1
- VNTPGSZQKARKHG-UHFFFAOYSA-N trimethyl-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound C[Si](C)(C)CCCOCC1CO1 VNTPGSZQKARKHG-UHFFFAOYSA-N 0.000 description 1
- 125000004417 unsaturated alkyl group Chemical group 0.000 description 1
- UKRDPEFKFJNXQM-UHFFFAOYSA-N vinylsilane Chemical class [SiH3]C=C UKRDPEFKFJNXQM-UHFFFAOYSA-N 0.000 description 1
- 239000001052 yellow pigment Substances 0.000 description 1
- 229910052984 zinc sulfide Inorganic materials 0.000 description 1
- NDKWCCLKSWNDBG-UHFFFAOYSA-N zinc;dioxido(dioxo)chromium Chemical compound [Zn+2].[O-][Cr]([O-])(=O)=O NDKWCCLKSWNDBG-UHFFFAOYSA-N 0.000 description 1
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/101—Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/006—Surface treatment of glass, not in the form of fibres or filaments, by coating with materials of composite character
- C03C17/007—Surface treatment of glass, not in the form of fibres or filaments, by coating with materials of composite character containing a dispersed phase, e.g. particles, fibres or flakes, in a continuous phase
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/28—Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material
- C03C17/32—Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material with synthetic or natural resins
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2217/00—Coatings on glass
- C03C2217/40—Coatings comprising at least one inhomogeneous layer
- C03C2217/43—Coatings comprising at least one inhomogeneous layer consisting of a dispersed phase in a continuous phase
- C03C2217/46—Coatings comprising at least one inhomogeneous layer consisting of a dispersed phase in a continuous phase characterized by the dispersed phase
- C03C2217/48—Coatings comprising at least one inhomogeneous layer consisting of a dispersed phase in a continuous phase characterized by the dispersed phase having a specific function
- C03C2217/485—Pigments
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2218/00—Methods for coating glass
- C03C2218/30—Aspects of methods for coating glass not covered above
- C03C2218/355—Temporary coating
Description
WO 9S.-52700 PCT/US9S/10624 METHOD AND COMPOSITIONS FOR DECORATING GLASS Technical Field The invention is in the field of decorating vitreous articles with radiation curable inks. In particular, the invention relates to decoration of vitreous articles such as glass, with radiation curable inks which, to facilitate recycling, are capable of being chemically removed from the glass upon exposure to alkali for a specified period of time.
Background of the Invention 20 Commercial ceramic and glassware is often decorated by applying a pattern in colored ink on the surface of the substrate-with screen printing, offset printing, or any other direct application technique. The glass is then baked at high temperatures to bond the design or indicia to the glass surface. This process, sometimes referred to as applied ceramic labeling (ACL), exhibits certain drawbacks. Often, the ink 25 5 compositions contain heavy metals and volatile organic solvents (VOC's). Both VOC's and heavy metals are undesirable from the environmental point of view. Second, ACL requires high temperature ovens for the baking step, which results in considerable energy usage and an increased potential for worker injury due to the high temperatures at which the process operates. Moreover, the high temperature ovens are expensive, cumbersome pieces of equipment which require considerable floor space in factories.
The decoration of glass with ultraviolet (UV) radiation curable organic pigmented inks for the decoration of glass and ceramic ware is known in the art. Organic inks generally can be cured by exposure to radiation, such as ultraviolet-radiation, thus obviating the need for high temperature baking. In addition, UV curable organic inks SUBSTITUTE SHEET (RULE 26) -2can be formulated to contain little or no VOC's or other nonaqueous solvents.
organic inks generally exhibit excellent adherence to glass.
In many countries, it is mandatory that beverages such as beer and soda, be marketed in returnable glass bottles. After the beverage has been consumed, the glass bottles are returned to the beverage filler. They are then cleaned, sterilized, refilled, relabeled, then sold again. Decals and paper labels are most often used to decorate returnable beverage bottles. Both types of labels have many drawbacks.
For example, both paper labels and decals are expensive. In addition, they are messy, and can easily come off upon exposure to water or other materials. In addition, many of the adhesives used in decals become sticky when subjected to the bottle cleaning process, and cause machines, drains, etc. to be gummed up.
There is a need for a method to decorate returnable beverage bottles that provides excellent decorative effect. In addition, the method must be cost competitive when compared to paper labels and decals. At the same time the decorative indicia 5s applied should be easily strippable from the glass container between fillings.
The discussion of the background to the invention herein is included to explain the context of the invention. This is not to be taken as an admission that any of the material referred to was published, known or part of the common general knowledge in Australia as at the priority date of any of the claims.
Throughout the description and claims of the specification the word "comprise" oo and variations of the word, such as "comprising" and "comprises", is not intended to :o exclude other additives, components, integers or steps.
Summary of the Invention The invention is directed to a method for decorating a vitreous article 25 comprising the steps of: a) applying to the vitreous article in a predetermined design a radiation curable ink comp which is operable when cured to bond to the vitreous article, and (ii) strippable from the vitreous article upon exposure to alkali, b) curing the ink on the vitreous article by exposing it to the radiation by which it is curable, thereby bonding the ink to the vitreous article.
The invention is also directed to a method for stripping decorative indicia from a vitreous article decorated with a radiation cured ink composition containing free acid groups which is operable, when cured, to bond to the vitreous article, and (ii) strippable from the vitreous article upon exposure to alkali, comprising contacting the vitreous article with an aqueous alkaline solution containing 2-20% by weight alkali for a period of approximately 1 to 120 minutes.
1lnr D:\Spcd cs\79i WO 98/52700 PCT/US98/10624 The invention is directed to a ink composition comprising, by weight of the total composition: 5-95% of an acid functional monomer or oligomer, 5-95% of a monomer or oligomer that does not contain free acid groups, 5-95 pigment.
Detailed Description All percentages mentioned herein are percentages by weight unless otherwise indicated.
The radiation curable ink compositions used in the method of the invention must be operable, when cured, to bond to the vitreous article, which is preferably glass. In particular, the ink compositions must be capable of adhering to glass to a degree sufficient to permit use as a commercial container used for beverages or other consumable materials. At the same time, the polymerized ink compositions must be capable of being readily stripped or removed from the glass upon exposure of the decorated glass to alkali. Glass containers are filled; then they are decorated with the radiation curable ink compositions. After the beverage in the container is consumed, the container is returned to the filler. The decorative indicia is stripped from the glass upon exposure to alkali. The containers are then cleaned, sterilized, re-filled, redecorated, and shipped again.
Generally, strippable ink compositions are made from radiation curable monomers and/or oligomers having at least one free acid group. The term "free acid" means an acidic group which is capable of reacting with alkali. Examples of such acidic groups are carboxylic acid groups, phosphoric acid groups, sulfonic acid groups and the like. Preferably, the acid group is a carboxylic acid group. The resulting polymerized coating contains free acidic groups which, upon exposure to alkali, react with the alkali to form a salt. As a result, the decorative indicia are much more readily removable from the glass. It should be noted that in order for radiation cured glass coatings to be considered "high performance", decorative indicia must be capable of withstanding 3 5 exposure to a concentrated aqueous alkali solution for a period of two to four hours. In contrast, the radiation cured ink compositions of the invention must be completely 3 SUBSTITUTE SHEET (RULE 26) WO 98/52700 PCT/US98/10624 removed from the glass container upon exposure to aqueous alkali before two hours has lapsed; after a period of about ito 120 minutes, preferably about 1 to 60 minutes, more preferably about 5 to 30 minutes.
THE INK COMPOSITIONS The Acid-Functional Monomer and/or Oligomer The ink compositions used in the method of the invention, contain about 5-95%, preferably about 10-85%, more preferably about 15-75% of a monomer, oligomer, or low molecular weight homo- or copolymer having at least one free acid group. A variety of such materials are suitable, provided they have at least one free acid group, such as a carboxylic acid, sulfonic acid, or phosphoric acid group. The phrase "having at least one free acid group" means that the monomer unit has at least one free acid group, or the oligomer contains at least one monomer unit containing a free acid group, or if a homo- or copolymer, at least one monomer unit thereof contains at least one free acid group. Preferably the ink composition contains a monomer or oligomer, in particular an ethylenically unsaturated monomer or oligomer having at least one free 2 acid group. Examples of preferred monomers or oligomers include those having carboxylic acid functional groups such as:
I
COOH
wherein R, is H, a CI- 3 0 straight or branched chain, substituted or unsubstituted, saturated or unsaturated alkyl, aryl, aralkyl, a pyrrolidone, or a substituted or unsubstituted aromatic, alicyclic, or bicyclic ring where the substituents are C1.
3 0 straight or branched chain alkyl, or halogen.
-4- SUBSTITUTE SHEET (RULE 26) WO 98/52700 PCT/US98/10624
II.
Ri
CH
2
,=C
I
COOR,
wherein R, is as defined above, and R 2 is X-COOH wherein X is a C 13 0 straight or branched chain alkyl, aryl, arylalkyl, or +CH 2
CH
2 -O+,,Y-COOH or -CH 2 CH2CH,- O+4-Y-OOH wherein Y is a C 1 .o 1 straight or branched chain alkyl and n is 1-10,000.
Preferably the monomer or oligomer is of Formula II wherein R, is H or CH 3 and R2 is X-COOH wherein X is a Ci-o 1 straight or branched chain alkyl, more preferably ethyl. More preferably R 2 is beta-carboxyethyl, e.g. as in beta-carboxyethyl acrylate, which is sold under the tradename B-CEA by UCB Radcure, Inc. B-CEA is a reactive monomer which contains both acrylate and carboxylic acid functionality, predominantly as the acrylic acid dimer, and, in particular, is a mixture of about by weight B-carboxyethylacrylate, about 40% by weight higher homologs of acrylic acid, and about 20% by weight of acrylic acid. The B-carboxyethylacrylate component of this mixture has the following formula: 0
II
HOC-CH
2
-CH
2
-C-CH=CH
2 In addition, carboxylic acid functional oligomers, such as aromatic acid methacrylate half esters and aromatic acid acrylate half esters, are also suitable acid functional oligomers for use in the method of the invention. Examples of such oligomers are partial esters of anhydride-containing copolymers such as those disclosed in U.S. patent no. 4,722,947 which is hereby incorporated by reference. These copolymers correspond to the following formula: SUBSTITUTE SHEET (RULE 26) WO 98/52700 PCT/US98/10624 R, R R 4
R
3
R
4 R3 R 4 I I I I I I I I I 1 1 (I
R
2 C=O C=O C=O C=O x y I I z I I p _OH OR OH OB wherein R, and R, are each independently hydrogen, C.
20 alkyl, aryl, alkaryl, cycloalkyl, or halogen; R 3
R
4 and R, (see below) are each independently hydrogen, C 1 alkyl, or aryl; and R 6 is the same or different and is alkyl, aralkyl, or an alkyl substituted aralkyl radical containing about 1 to 20 carbon atoms as well as oxyalkylated derivatives thereof; and the subscripts x, y, z, and p are each whole numbers such that the sum of x, y, z, and p may range from about 3 to 20; and x, p, and y are each equal to or greater than 1, and z may be 0; and B is OAOCOCR 5
CH
2 wherein A is a linear or branched divalent alkylene of from about 1 to 20 carbon atoms, or an oxyalkylated derivative thereof as described for R 6 Particularly preferred aromatic partial esters of anhydride containing copolymers are those sold by Sartomer, Inc. under the Sarbox tradename, such as SB-400, SB-500, and SB-600. Particularly preferred is aromatic acid methacrylate half ester in ethoxylated trimethylolpropane triacrylate, which is sold by Sartomer, Inc. under the tradename Sarbox 5B500E50.
Other suitable carboxylic acid functional monomers include acrylic acid, bisacrylaniidoacetic acid, 4,4-bis(4-hydroxphenyl)pentanoic acid, 3-butene-1,2,3tricarboxylic acid, 2-carboxyethyl acrylate, itaconic acid, methacrylic acid, 4vinylbenzoic acid, and mixtures of these materials.
Examples of monomers containing sulfonic acid groups include 2-acrylamido-2methyl- 1-propanesulfonic acid; 2-methyl-2-propene-l-sulfonic acid. 2-propene-l-sulfonic acid. 4- styrenesulfonic acid, 2-sulfoethyl methacrylate, 3-sulfopropyldimethyl-3methacrylamidopropyl ammonium inner salt, 3-sulfopropyl methacrylate, vinysulfonic acid, and so on.
6 SUBSTITUTE SHEET (RULE 26) WO 98/52700 PCT/US98/10624 Examples of monomers containing phosphoric acid functional groups include bis(2- methacryloxyethyl)phosphate, monoacryloxyethyl phosphate, and so on.
Additional Polymerizable Reactants In addition, the ink compositions may contain about 5-95%, preferably about more preferably about 15-75% of other polymerizable reactants such as radiation curable monomers, oligomers, or low molecular weight homo- or copolymers, terpolymers, or graft or block copolymers which do not contain free acid groups.
Examples of suitable monomers include epoxides, cycloaliphatic epoxides, vinyl chloride, styrene, ethyl acrylate, vinyl acetate, difunctional acrylic monomers such as hydroxy alkyl acrylates, or hydroxy alkyl methacrylates, vinyl butyrate, vinyl methyl ether, methyl methacrylate, isobornyl acrylate, acrylonitrile, or mixtures thereof.
Suitable polymers include oligomers, homo- or copolymers, terpolymers, graft copolymers of the above monomers provided they have a molecular weight of less than about 50,000, otherwise it is too difficult to effect polymerization, i.e. curing.
Preferred are acrylate homopolymers or acrylate or methacrylate copolymers, preferably aerylate or methacrylate copolymers. Examples of such acrylate or methacrylate copolymers include epoxy acrylates, copolymers of propylene glycol and a dicarboxylic acid, urethane acrylates, and the like. Preferably, the compositions contain one or more polymerizable reactants selected from the group consisting of urethane acrylate copolymers, tripropylene glycol acrylate, epoxy acrylate, and mixtures thereof.
Preferably, the radiation curable compositions of the invention contain about 2 95% by weight of acrylate or methacrylate monomers, or homo- or copolymers which do not contain acid functional groups.
Pigment The compositions used in the invention preferably contain 5-95%, preferably more preferably 8-35% by weight of the total composition of pigment. A wide variety of pigments are suitable including organic and inorganic pigments. Examples of such pigments are set forth in U.S. patent no. 5,178,952, which is hereby incorporated by reference. Inorganic pigments include extender pigments such are baryites, barium sulfate, calcium carbonate, talc, clay, alumina, titanium dioxide, white carbon, chinese 7 SUBSTITUTE SHEET (RULE 26) WO 98/52700 PCT/US98/10624 white, zinc sulfide, lithopone, ultramarine, Prussian blue, cobalt, chrome oxide, viridian chrome green yellows, oranges, and reds, cadmium, chromium, iron oxides, carbon black, metallic pigments, aluminum powder, bronze powder, zinc chromate, strontium zinc dust, copper, and so on. Examples of suitable organic pigments include azo pigments, indolinones, isoindolinones, vat pigments, the Lakes, pthalocyanine pigments and so on. The preferred pigment to impart white color to the ink composition is titanium dioxide. Preferred red and yellow pigments are isoindolinones and pyrrolopyrrols as disclosed in U.S. patent nos. 4,415,685; 4,579,949; 4,791,204; 4,666,455; 5,074,918; 4,783,540; 4,914,211; 4,585,878; as well as U.S. patent no. No.
5,571,359 of Kamen, et. al., all of which are hereby incorporated by reference. These pyrrolopyrrols are generally of the formula: R,
X
I II R4---N N--R3 11 I X R2 wherein R, and R, are each independently alkyl, arylalkyl, aryl, substituted or unsubstituted isocyclic or heterocyclic aromatic radicals; R 3 and R 4 are each 2 independently H, substituted or unsubstituted alkyl, alkoxycarbonyl, aroyl (e.g.
benzoyl), arylalkyl benzyl), aryl phenyl), alkanoyl, C 5 6 cycloalkyl, alkenyl, alkynyl, carbamoyl, alkylcarbamoyl, arylcarbamoyl, or alkoxycarbonyl; and X is O or S. Preferred is a compound wherein R, and R 2 are each independently phenyl or naphthyl, R 3 and R 4 are hydrogen, and X is O. Particularly preferred as a red pigment is pyrrolo 3,4-C pyrrol-1,4-dione, 2,5-dihydro-3,6-di-4-chlorophenyl which has a CAS number 84632-65-5 and is known by the common name C.I. pigment red 254. This pigment is commercially available from Ciba-Geigy Pigments Division, Newport, DE, under the tradename Irgazin DPP Red 80. Other Ciba-Geigy red pigments sold under the tradename Irgazin are also suitable.
8- SUBSTITUTE SHEET (RULE 26) WO 98/52700 PCT/US98/10624 Suitable isoindolinones are as set forth in U.S. patent nos. 3,884,955, 3,867,404, 4,978,768,4,400,507, 3,897,439 and 4,262,120 and 5,194,088 all of which are hereby incorporated by reference. Preferred isoindolinones are tetrachlorocyanobenzoic acid esters, particularly benzoic acid, 2,3,4,5-tetrachloro-6-cyano-methyl ester which is reacted with 2-methyl-1,3-benzenediamine and sodium methoxide. This pigment composition has the common name C.I. Pigment Yellow 109 and is available commercially from Ciba-Geigy Pigments Division, Newport DE under the tradename Irgazin yellow 2GLTE. Other pigments in the Irgazin Yellow series as manufactured by Ciba-Geigy are also suitable.
Particularly suitable are blue pigments marketed by Ciba-Geigy under the tradename Irgazin Blue X-3367, or by Whittaker, Clark, Daniels under the tradename Ultramarine Blue 5009.
Defoaming Agent The ink compositions used in the invention also preferably contain about 0.01of a defoaming agent, preferably a polyether-containing defoaming agent, which will cause the ink to apply smoothly on the glass substrate without bubbles or unevenness. A wide variety of defoamers are suitable, but preferred are defoamers sold by BYK Chemie under the BYK tradename. Examples of such defoaming agents are alkylvinyl ether polymers set forth in U.S. Patent No. 5,187,201, which is hereby incorporated by reference. Examples of other defoamers include polyethers such as BYK-052, BYK-053, and BYK-033. BYK-052 and -053 are polyethers such as polyethylene or polypropylene glycol ethers, and in particular, polyvinyl ethers. Also suitable is BYK-354 which is a polyacrylate solution, and BYK-022 which is a mixture of hydrophobic solids and foam destroying polysiloxanes in polyglycol. Preferably the polyether defoaming agent is an alkoxylated alkyl phenol, more particularly a mixtures of petroleum distillates and an ethoxylated alkyl phenol, such as that sold by BYK- Chemie under the tradename BYK-033.
9 SUBSTITUTE SHEET (RULE 26) WO 98/52700 PCT/US98/10624 Adhesion Promoter The ink compositions used in the invention also preferably contain about 0.0 1preferably about 0.05-15%, more preferably about 0.1-5% of a silane adhesion which will enhance adhesion of the cured resin to the glass surface. Examples of silanes are silane esters, vinyl silanes, methacryloxy silanes, epoxy silanes, sulfur silanes, amino silanes, or isocyanoto silanes. Suitable silanes include organofunctional silanes of the formula: (CKH)a wherein n 0-3 a 0-2 Y NH,, CH,=CH, CH 2 =C-COO-, CH 3 -NH-,NH,-CO-NH-,HS-, Cl-, NH,(CH2)2NH-,
CH
3
H
2 C CH 0
CH
2
CH-CHC
2
O=C=N-;
,or or
NH-
X is each independently CH 3 Cl, OCOCH 3 OC2H40CH 3 (OC2H 4 2 0CH 3 or OR, where R is a C- 20 straight or branched chain alkyl, preferably methyl or ethyl.
Silanes having this formula are commercially available under the Dynasylan trademark from Huls, America, Inc., Piscataway, New Jersey or Osi Specialities Inc.
Other organofunctional silanes such as those disclosed in U.S. patent no. 5,221,560, which is hereby incorporated by reference, are also suitable. Such organosilanes are 10 SUBSTITUTE SHEET (RULE 26) WO 98/52700 PCT/US98/10624 acryloxyfunctional silanes including 3-methacryloxypropyltrimethoxysilane, 3acryloxypropyltrimethoxysilane, 2-methacryloxyethyltrimethyoxysilane, 2acryloxyethyltrimethyoxysilane, 3-methacryloxypropyltriethoxysilane, 3- 3-acryloxypropyltriethoxysilane, 2methacryloxyethyltriethoxysilane, 2-methacryloxyethyltriethoxysilane, 2acryloxyethyltriethoxysilane, etc. Suitable glycidoxy silanes include 3 glycidoxypropyltrimethoxysilane, 2-glycidoxyethyltrimethoxysilane, 3glycidoxypropyltriethoxysilane, 2-glycidoxyethyltriethoxysilane, 3glycidoxypropyltrimethyl silane, and so on. Preferred for use in the compositions of the invention are acryloxy- functional silanes, isocyanato silanes, and amino silanes. The preferred acryloxy- functional silane is 3- methacryloxypropyl trimethoxy silane, which is sold by Huls America, Inc. under the tradename DYNASYLAN MEMO. The preferred amino silane is sold by Huls America, Inc. under the tradename DYNASYLAN TRIAMO. The preferred isocyanoto silane is sold by Osi Specialities Inc., under the tradename A-1310. In the preferred ink compositions of the invention a mixture of the three silanes is preferred, generally 0.01-2% by weight of each.
Surfactant The ink compositions also preferably contain 0.01-20%, preferably 0.5-10%, more preferably 1-5% by weight of a fluorinated surfactant. The term "fluorinated surfactant" means a fluorine containing compound having at least one lipophilic group or portion and at least one hydrophilic group or portion. In particular, fluorocarbon or fluorosilicone surfactants are most desirable. Suitable surfactants include those set forth in U.S. patent no. 4,961,976 which is hereby incorporated by reference. Preferred are fluorocarbon surfactants, such as those marketed under the Fluorad trademark by 3M Company. These fluorochemical surfactants include fluorinated alkyl esters, fluorinated alkyl polyoxyethylene ethanols, and the like. Particularly preferred are nonionic fluorinated alkyl alkoxylates e.g. those marketed by 3M under the trademark FC-171.
Preferred are fluorinated C,..30 alkyl ethoxylates and propoxylates.
11 SUBSTITUTE SHEET (RULE 26) WO 98/52700 PCT/US98/10624 Photoinitiator The ink compositions preferably contain a photoinitiator which catalyzes the polymerization of the monomers upon exposure to the radiation by which the monomers are curable. There are generally two types of photoinitiators: free radical and cationic.
Free radical initiators are more commonly used with ethylenically unsaturated monomers and oligomers, while cationic photoinitiators are used with epoxy or vinyl ether functional resins. Preferably, the compositions used in the invention contain free radical photoinitiators. Suitable free radical-type photoinitiators include carbonyl compounds 0such as ketones, acetophenones, benzophenones, and derivatives thereof. Examples of such materials include, for example, methyl ethyl ketone; benzophenone; benzyl dimethyl ketal; 1-hydroxycyclohexylphenylketone; diethyoxyacetophenone; 2-methyl-l- (methylethiophenyl)-2-(4-morpholinyl)- -propanone; 2-benzyl-2-N,N-dimethylamino- 1,4(4-morpholinophenyl)- -butanone; 2,2-dimethoxy-2-phenyl acetophenone; 2-methyl-1- [4-(methylthio)phenyl]-2-morpholino propan-1-one; 2-hydroxy-2-methyl-l-phenylpropan-l-one; 4-(2-hydroxyethoxy)phenyl-2(2-hyrroxy-2-methylpropyl)letone; and a mixture of bis(2,6-dimethyoxybenzoyl)-2-4-4-trimethylPentyl phosphine oxide and 2hydroxy-2-methyl-l-phenyl-propan-l-one. Preferred is a mixture of 25% bis(2,6dimethyoxybenzoyl)-2-4-4-trimethylpentyl phosphine oxide and 75% 2-hydroxy-2methyl-1-phenyl-propan-l-one, which is sold under the tradename Irgacure 1700 by Ciba-Geigy.
Small amounts of cationically curable monomers or oligomers may be used in the 2compositions of the invention, for example less than about 10%, preferably less than about 5% by weight of the ink composition. However, cationically cured compositions generally exhibit a high bond strength to glass, such that if they are used in substantial amounts in the compositions of the invention, the ink will not be stripped from the glass upon exposure to alkali. If cationically curable monomers or oligomers are used in the compositions of the invention, it is desirable to use cationic photoinitiators. The term "cationic photoinitiator" means a molecule or ingredient which, upon excitation, undergoes a photochemical transformation which efficiently generates a species capable of initiating cationic polymerization. If the ink composition of the invention is cured by UV or actinic radiation rather than electron beam it is desirable to add a cationic 12 SUBSTITUTE SHEET (RULE 26) WO 98/52700 PCT/US98/10624 photoinitiator which catalyzes cross-linking of the resin upon exposure to the radiation to which the resin is sensitive. On the other hand, if the ink compositions of the invention are cured with electron beam it may be possible to dispense with the cationic Various types of cationic photoinitiators are suitable. Both ionic cationic photoinitiators such as onium salts or organometallic salts are suitable as well as nonionic cationic photoinitiators such as organosilanes, latent sulphonic acids and the like.
Preferred are photosensitive onium salts, in particular, onium salts such as those disclosed in U.S. patent nos. 4,058,401, 4,138,255, 4,161,478, 4,175,972, all of which are hereby incorporated by reference. Triaryl sulphonium salts are most preferred, in particular triaryl sulphonium salts such as those sold by Union Carbide under the tradename Cyracure UVI 6990 and 6974. Also suitable are ferrocenium salts such as those sold under the Irgacure tradename by Ciba-Geigy, in particular Irgacure 261.
Sulphonyloxy ketones and silyl benzyl ethers are also good cationic photoinitiators. A detailed analysis of the mechanism of cationic curing is disclosed in "Photosensitized Epoxides as a Basis for Light-Curable Coatings" by William R. Watt, American Chemical Society Symposium, Ser. 114, Epoxy Resin Chemistry, Chapter 2, 1979, and in "Chemistry and Technology of UV and EB Formulation for Coatings, Inks, and Paints," Volume 3, entitled "Photoinitiators for Free Radical and Cationic Polymerization, K.K. Dietliker, pages 332-374 (1991), both of which are hereby incorporated by reference. Photosensitive onium salts are used as photoinitiators in cationic curing, in particular, onium salts such as those disclosed in U.S. patent nos.
4,058,401, 4,138,255, 4,161,478, 4,175,972, all of which are hereby incorporated by reference. Triaryl sulphonium salts are most preferred, in particular triaryl sulphonium salts such as those sold by Union Carbide under the tradename Cyracure UVI 6990 and 6974. The photoinitiator is generally present at about 0.1-15%, preferably about 12%, more preferably about 0.5-10% by weight of the total composition.
The preferred ink compositions used in the invention comprise: 5-95% of an ethylenically unsaturated monomer or oligomer containing at least one free acid group, 5-95% pigment, and 5-95% of a monomer or oligomer free of acid groups.
13 SUBSTITUTE SHEET (RULE 26) WO 98/52700 PCT/US98/10624 More preferably, the ink composition comprises, in addition, an ingredient selected from the group consisting of about 0.1-25% of a silane adhesion promoter, about 0.01-10% of a polyether defoaming agent, about 0.01-20% of a fluorinated 5 surfactant, and about 0.1-1 of a photoinitiator.
THE DECORATING METHOD The term "ceramic" or "vitreous article" when used in accordance with the invention shall mean glass, ceramic, tile, and similar vitreous materials. The articles which may be decorated or printed according to the method of the invention may be in any shape or form, such as a container, sheet, tile, figurine, or the like. In the preferred embodiment of the invention the article is made of glass or ceramic and is a container, such as a cosmetic or beverage container.
The ink composition is applied to the article to be decorated in a predetermined design using a variety of printing methods including screen printing, offset printing, gravure, hand painting and the like. After the ink is applied the substrate or article is irradiated with UV or actinic radiation using a conventional UV light source. The term "UV" means ultraviolet light which generally has a wavelength of 4 to 400, preferably 325 to 400 nanometers. The term "actinic" means radiation having a wavelength of 200 to 600 nanometers. Electron beam may be used instead of a UV light source. If a UV conveyer is used, it is set up so that the substrate passes through the beam of radiation for an amount of time appropriate to completely cure the ink composition and cause it to adhere to the substrate. If desired, the substrate may be moved through the conveyer in one or more passes to achieve the required curing. The appropriate time varies depending on the ink formula, but generally curing is complete in a period of time ranging from fractions of a second to 30 minutes. It is preferred, that by the time the decorated substrate or article is removed from the conveyer, the ink is completely cured and fused to the substrate surface. In some cases it may be necessary to subject the newly screened glass container to slightly elevated temperature prior to UV curing the applied ink on the substrate, or to an additional post-UV cure application of heat to finally polymerize the ink on the substrate. Preferably, the decorated substrate is 14 SUBSTITUTE SHEET (RULE 26) WO 98/52700 PCTIUS98/10624 subjected to post-UV cure heating at a temperature of 90 to 2000 preferably 100- 2000 C. for a period of 0.5 to 30 minutes.
The ink compositions are well suited for use in automated systems such as the multiple color printing apparatus disclosed in copending application serial no. 432,485, filed May 1, 1995 by Kamen, et al., entitled "Apparatus and Method For Screen Printing Radiation Curable Compositions", or with the methods disclosed in U.S. patent no. 5,562,951, both of which are hereby incorporated by reference.
In another embodiment of the invention, it is possible to make the ink composition of the invention without the pigment and print it on the glass substrate in predetermined design according to the methods described above. For example, a substrate such as a container may be decorated in a pre-determined design by silk screening the unpigmented ink composition on the substrate and curing with the appropriate radiation. A layer of hot stamping foil is then compressed against the substrate with a press which is heated to a temperature sufficient to cause the hot stamping foil to adhere to the printed ink design but not to the ink-free areas of the glass. Hot stamping foil is generally a laminate comprised of a carrier material (often polyester or a similar material capable of release), a release film between the carrier and a subsequent decorative coat which is usually color or a metallized coat, most often aluminum or colored aluminum. The foil may contain other optional layers such as one or more protective layers, hot melt adhesive layers, etc. between the metallized layer or layers and the carrier material. More specifically, hot stamping foil can be defined as a multilayer web comprised of a backing film carrier, a release coating, one or more protective top coatings, one or more color coatings, and a hot melt adhesive in that order. The hot stamping foil is then compressed against the container with the hot melt adhesive layer being compressed against the substrate. The compress, which may be a standard hot stamping press or a hand held press, is heated to a temperature sufficient to cause the hot melt adhesive layer of the hot stamping foil to adhere to the ink decorated portion of the substrate. Generally this temperature ranges from about 250 to 4000 F.
Temperatures higher than this may cause deterioration of the hot stamping foil. The 3 5 application of heat causes the adhesive side of the hot stamping foil to become adhesively adhered to the ink design but not to the ink-free areas of the substrate.
15 SUBSTITUTE SHEET (RULE 26) WO 98/52700 PCT/US98/10624 When the compress is removed, a portion of the foil laminate adheres to the ink decoration but not to the ink free areas of the glass. In particular, adhered to the ink design on the substrate is the hot melt adhesive layer, the color coatings, and the protective top coatings, in that order, of the hot stamping foil. Portions of the release coating may or may not be adhered to the protective top coating because the release coating is designed to melt upon application of heat and cause the polyester carrier backing layer to release from the protective top coat layer and some remnants may remain. The resulting hot stamped substrate exhibits a metallic gold, silver, or colored appearance depending on the color of the hot stamping foil.
In yet another embodiment of the invention, it is possible to provide a decorated substrate which has a two tone effect where all or a portion of the colored ink on the substrate is hot stamped. In this instance a pigmented ink composition is applied to the substrate in a predetermined design and cured by exposing it to the radiation by which it is curable for a time sufficient to effect complete cure. Hot stamping foil is applied as described above to either the entire ink design or to only a part complete or partial registration). If the hot stamping foil is applied in partial registration, or applied to a portion of the pigmented ink design, a pleasant two tone effect is achieved. Many times it is more economical to print the entire design on the substrate using colored ink and then hot stamp over the desired portion of the design, rather than applying clear ink and hot stamping, and then printing colored ink in the desired design in a second application.
The ink compositions of the invention provide sufficient adhesion to glass as well as exhibiting sufficient resistance to scuffing and scratching to make the decorated articles suitable for use on commercial beverage and cosmetic bottles.
THE STRIPPING METHOD The ink compositions of the invention can be removed from glass upon exposure of the glass to alkali. In particular, the free acid groups found in the polymerized ink composition are capable of reacting with the hydroxyl groups of the base to form a salt 3 which is easily stripped or removed from the glass.
16 SUBSTITUTE SHEET (RULE 26) WO 98/52700 PCT/US98/10624 The aqueous alkaline solution comprises about 1-20%, preferably about 2-15 more preferably about 2-12% by weight alkali. Suitable alkali materials include metal hydroxides alkali metal and alkaline earth metal hydroxides) such as sodium hydroxide, potassium hydroxide, calcium hydroxide, and the like.
The cured ink compositions should be removed from the glass upon exposure to the aqueous alkali after a period of about 1 to 120, preferably about 1-60, more preferably about 1-30 minutes. The glass substrate is generally immersed in the aqueous alkali solution for the appropriate time period, after which the ink compositions are removed from the glass surface.
Preferably the glass container is subjected to the aqueous alkaline solution at a temperature of 60 to 1000 more preferably 70 to 950 most preferably 72 to 900
C.
In the most preferred embodiment of the invention the ink composition is removed from the glass containers after exposure of the glass to a 4% (approximately) aqueous solution of sodium hydroxide at a temperature of 70 to 1000 C, after 1-15 minutes.
The decorating method and compositions of the invention are excellent for use on glass containers used in the returnable beverage market. The decorative indicia applied according to the invention remains on the glass for the useful commercial life of the container, yet can be easily removed upon exposure to an aqueous alkali solution. This eliminates the need for paper labels and decals, which results in a significant cost savings. Also, the indicia are much more aesthetically pleasing, similar to the aesthetics achieved with ACL. Thus, beverage and cosmetic manufacturers are able to offer glass containers that provide aesthetics similar to ACL, with indicia that can be easily removed upon exposure to alkali solutions when the glass container is returned to the filler.
The invention will be further described in connection with the following examples, which are set forth for the purposes of illustration only.
EXAMPLE 1 A white ink composition was made as follows: grams wt% 17 SUBSTITUTE SHEET (RULE 26) WO 98/52700 PCT/US98/10624 Dipentaerythritol pentaacrylate' 25.0 24.8 Epoxy acrylate tripropylene glycol acrylatel 27.0 26.8 Aromatic acid methacrylate 1/2 ester in ethoxylated trimethylolpropane triacrylate 3 5.0 Beta carboxyethyl acrylate' 10.0 9.9 Aromatic urethane acrylate with polyacrylated polyol diluent 5 10.0 9.9 Titanium dioxide (pigment) 17.0 16.9 Irgacure 17006 3.0 Gamma-isocyanotopropyltriethoxysilane 7 0.5 3-methacryloxypropyl trimethoxysilane' 0.5 Trimethoxysilylpropyldiethylene triamine' 0.5 Fluorinated alkyl alkoxylate' 0 0.5 BYK-033" 1.0 Modaflow' 0.8 0.8 SR399, Sartomer Company, Inc. (other polymerizable reactant) 2 CNIO4, Sartomer Company, Inc. (other polymerizable reactant) SB500 E50, Sartomer Company, Inc. (polymerizable reactant with free acid group) SB-CEA, UCB Radcure Inc. (polymerizable reactant with free acid group) EB-220, UCB Radcure Inc. (other polymerizable reactant) 6 Ciba-Geigy Corp. Mixture of 25% by weight bis(2,6-dimethoxybenzoyl)-2,4-,4trimethylpentyl phosphine oxide and 75% by weight 2-hydroxy-2-methyl-1phenylpropan-1-one. (photoinitiator) SA-1310, Osi Specialties, Inc. (adhesion promoter) 8 DYNASYLAN MEMO, Huls America Inc. (adhesion promoter) 9 DYNASYLAN TRIAMO, Huls America Inc. (adhesion promoter) 1o FC-171, 3M Company (surfactant) BYK-033, BYK-Chemie. A mixture of 92% by weight of petroleum distillates and by weight ethoxylated alkyl phenol (defoaming agent) 12 Modaflow, Monsanto, Inc. Ethyl acrylate and 2-ethylhexyl acrylate copolymer (defoaming agent) EXAMPLE2 A blue ink composition was made as follows: grams wt% 18 SUBSTITUTE SHEET (RULE 26) WO 98/52700 PCT/US98/1 0624 Dipentaerythritol pentaacrylate' 25.0 23.9 Epoxy acrylate tripropylene glycol acrylate 3 27.0 25.8 Aromatic acid methacrylate 1/2 ester in ethoxylated trimethylolpropane triacrylate 3 5.0 4.8 Beta carboxyethyl acrylate' 10.0 9.6 Aromatic urethane acrylate with polyacrylated polyol diluent 5 10.0 9.6 Ultramarine blue 5009'3 20.0 19.1 Irgazin blue X-336714 1.0 0.9 Irgacure 17006 3.0 2.9 Gamma-isocyanotopropyltriethoxysilane 7 0.5 3-methacryloxypropyl trimethoxysilane' 0.5 Trimethoxysilylpropyldiethylene triamine 0.5 Fluorinated alkyl alkoxylate' 0 0.5 BYK-033" 1.0 Modaflow" 0.5 0.4 'SR399, Sartomer Company, Inc. (other polymerizable reactant) 2 CNIO4, Sartomer Company, Inc. (other polymerizable reactant) SSB500 E50, Sartomer Company, Inc. (polymerizable reactant with free acid group) 4 B-CEA, UCB Radcure Inc. (polymerizable reactant with free acid group) SEB-220, UCB Radcure Inc. (other polymerizable reactant) 2 Ciba-Geigy Corp. Mixture of 25% by weight bis(2,6-dimethoxybenzoyl)-2,4-,4trimethylpentyl phosphine oxide and 75% by weight 2-hydroxy-2-methyl- 1phenylpropan-1-one. (photoinitiator) SA-1310, Osi Specialties, Inc. (adhesion promoter) S DYNASYLAN MEMO, Huls America Inc. (adhesion promoter) 9 DYNASYLAN TRIAMO, Huls America Inc. (adhesion promoter) o FC-171, 3M Company (surfactant) BYK-033, BYK-Chemie. A mixture of 92% by weight of petroleum distillates and by weight ethoxylated alkyl phenol (defoaming agent) 12 Modaflow, Monsanto, Inc. Ethyl acrylate and 2-ethylhexyl acrylate copolymer (defoaming agent) 13 Wittaker, Clark, Daniels (pigment) 14 Ciba Pigment Division 19 SUBSTITUTE SHEET (RULE 26) WO 98/52700 PCT/US98/10624 EXAMPLE 3 A white ink composition was made as follows: grams wt% Aromatic acid methacrylate 1/2 ester in ethoxylated 25.0 24.5 trimethylolpropane triacrylate' Beta carboxyethyl acrylate 2 35.0 34.2 Monofunctional acrylate resin' 15.0 14.7 Epoxy acrylate tripropylene glycol acrylate 4 5.0 4.9 Titanium dioxide 15.0 14.7 Irgacure 1700' 3.0 2.9 BYK-033 6 1.0 3-methacryloxypropyl trimethoxysilane 7 0.6 0.6 Gamma-isocyanotopropyltriethoxysilane 8 0.6 0.6 Methyl diethanolamine 2.0 1.9 SB500, Sartomer Company, Inc. (polymerizable reactant with free acid group) 2 B-CEA, UCB Radcure Inc. (polymerizable reactant with free acid group) 3 Aromatic oligomer containing pendant carboxy functional groups, Henkel Corporation (polymerizable reactant with free acid group) SCN104, Sartomer Company, Inc. (other polymerizable reactant) Ciba-Geigy Corp. Mixture of 25% by weight bis(2,6-dimethoxybenzoyl)-2,4,4trimethylpentyl phosphine oxide and 75% by weight 2-hydroxy-2-methyl-1phenylpropan-1-one. (photoinitiator) 6 BYK-Chemie, A mixture of 92% by weight petroleum distillates and 5% by weight ethoxylated alkyl phenol (defoaming agent) 7 DYNASYLAN MEMO, Huls America Inc. (adhesion promoter) 8 A-1310, Osi Specialties, Inc. (adhesion promoter) The ingredients were combined and mixed well.
EXAMPLE 4 An ultramarine blue composition was made as follows: grams wt% 20 SUBSTITUTE SHEET (RULE 26) WO 98/52700 PCT/US98/10624 Aromatic acid methacrylate 1/2 ester in ethoxylated 25.0 24.2 trimethylolpropane triacrylate' Beta carboxyethyl acrylate 2 30.0 29.1 acrylate resin 3 15.0 14.5 Epoxy acrylate tripropylene glycol acrylate 4 5.0 4.8 Irgazin blue X-3367 5 1.0 Ultramarine blue 50096 20.0 19.4 Irgacure 17007 3.0 2.9 BYK-033 8 1.0 3-methacryloxypropyl trimethoxysilane 9 0.6 0.6 Gamma-isocyanotopropyltriethoxysilane' 0 0.6 0.6 Methyl diethanolamine 2.0 1.9 1 SB500 E50, Sartomer Company, Inc. (polymerizable reactant with free acid group) 2 B-CEA, UCB Radcure Inc. (polymerizable reactant with free acid group) 3 Aromatic oligomer containing pendant carboxy functional groups, Henkel Corporation (polymerizable reactant with free acid group) 4 CN104, Sartomer Company, Inc. (other polymerizable reactant) Ciba Pigment Division (pigment) 6 Whittaker, Clark, Daniels (pigment) 7 Ciba-Geigy Corp. Mixture of 25% by weight bis(2,6-dimethoxybenzoyl)-2,4,4trimethylpentyl phosphine oxide and 75% by weight 2-hydroxy-2-methyl-1phenyl-propan-1-one. (photoinitiator) 6 BYK-Chemie, A mixture of 92% by weight petroleum distillates and 5% by weight ethoxylated alkyl phenol (defoaming agent) 7 DYNASYLAN MEMO, Huls America Inc. (adhesion promoter) 8 A-1310, Osi Specialties, Inc. (adhesion promoter) The ingredients were combined and mixed well.
EXAMPLE A white ink composition was made as follows: grams wt% 21 SUBSTITUTE SHEET (RULE 26) WO 98/52700 PCT/US98/10624 Aromatic acid methacrylate 1/2 ester in ethoxylated 25.0 22.8 trimethylolpropane triacrylate' Epoxy acrylate tripropylene glycol acrylate 2 10.0 9.1 Beta-carboxyethyl acrylate 3 30.0 27.3 Monofunctional acrylate resin 4 15.0 13.7 Polytetrafluoroethylene 5 1.0 0.9 Titanium dioxide 17.0 15.5 Iragacure 17006 3.0 2.7 1BYK-033 7 1.5 1.4 3-methacryloxypropyl trimethoxysilane 8 0.6 Gamma-isocyanotopropyldiethylene triamine 9 0.6 Monodiethanolamine 3.0 2.8 Benzophenone 3.0 2.8 SSB500, Sartomer Company, Inc. (polymerizable reactant with free acid group) 2 CN104, Sartomer Company, Inc. (other polymerizable reactant) 3 B-CEA, UCB Radcure Inc. (polymerizable reactant with free acid group) 4 Aromatic oligomer containing pendant carboxy functional groups, Henkel Corporation (polymerizable reactant with free acid group) SST-4, Shamrock Technologies, Inc. (thickening agent) 6 Ciba-Geigy Corp. Mixture of 25% by weight bis(2,6-dimethoxybenzoyl)-2,4,4trimethylpentyl phosphine oxide and 75% by weight 2-hydroxy-2-methyl-1phenyl-propan-1-one. (photoinitiating agent) 7 BYK-Chemie. A mixture of 92% by weight petroleum distillates and 5% by weight alkyl phenol (defoaming agent) 7 DYNASYLAN MEMO, Huls America Inc. (adhesion promoter) 8 A-1310, Osi Specialties, Inc. (adhesion promoter) The composition was made by combining the ingredients and mixing the ingredients well.
EXAMPLE 6 A blue ink composition was made according to the following formula: grams wt% Aromatic acid methacrylate 1/2 ester in ethoxylated 25.0 24.7 trimethylolpropane triacrylate' 22 SUBSTITUTE SHEET (RULE 26) WO 98/52700 PCT/US98/10624 grams wt% Epoxy acrylate tripropylene glycol acrylate 2 10.0 9.9 Beta-carboxyethyl acryate 3 25.0 24.7 Monofunctional acrylate resin 4 15.0 14.8 Ultramarine blue 50095 15.0 14.8 Irgazin blue X-3367 6 1.5 Polytetrafluoroethylene 7 1.0 Iragacure 17008 3.0 Benzophenone 3.0 BYK-033 9 1.5 1.4 3-methacryloxypropyl trimethoxysilane' 0 0.6 Gamma-isocyanotopropyltriethoxysilane" 0.6 SB500 E50, Sartomer Company, Inc. (polymerizable reactant with free acid group) 2 CN104, Sartomer Company, Inc. (other polymerizable reactant) 3 B-CEA, UCB Radcure Inc. (polymerizable reactant with free acid group) 4 Aromatic oligomer containing pendant carboxy functional groups, Henkel Corporation (polymerizable reactant with free acid group) Whittaker, Clark Daniels (pigment) 6 Ciba Pigment Division (pigment) 7 SST-4, Shamrock Technologies, Inc. (thickening agent) 8 Ciba-Geigy Corp. Mixture of 25% by weight bis(2,6-dimethoxybenzoyl)-2,4,4trimethylpentyl phosphine oxide and 75% by weight 2-hydroxy-2-methyl-1phenyl-propan- -one. (photoinitiating agent) 9 BYK-Chemie, A mixture of 92% by weight petroleum distillates and 5% by weight ethoxylated alkyl phenol (defoaming agent) DYNASYLAN MEMO, Huls America Inc. (adhesion promoter) A-1310, Osi Specialties, Inc. (adhesion promoter) The ingredients were combined and mixed well.
EXAMPLE 7 The white ink composition of Example 2 was applied to alcoholic beverage bottles by screen printing with a 230 mesh screen using an Autoroll M-25 semiautomatic screen printing machine. The ink on the bottle was screened by exposure to 23 SUBSTITUTE SHEET (RULE 26) WO 98/52700 PCT/US98/10624 UV light from a P600 power supply having a 9mm. D bulb. The curing speed was less than one second per bottle. Then, the blue ink of Example 2 was screened onto the bottle in partial registration with the cured white ink. The ink was cured upon exposure to the UV light source. The bottle was then subjected to post heat curing at a temperature of 100° C. for 30 minutes. The indicia adhered well to the bottle and exhibited bright, true coloration.
EXAMPLE 8 The finished bottles decorated in accordance with Example 7 were immersed in a water bath containing 4% sodium hydroxide at a temperature of 72° C. The cured inks were completely removed from the bottles after 4 minutes.
While the invention has been described in connection with the preferred embodiment, it is not intended to limit the scope of the invention to the particular form set forth but, on the contrary, it is intended to cover such alternatives, modifications, and equivalents as may be included within the spirit and scope of the invention as defined by the appended claims.
24 SUBSTITUTE SHEET (RULE 26)
Claims (47)
1. A method for decorating a vitreous article comprising the steps of: a) applying to the vitreous article in a predetermined design a radiation curable ink composition comprising free acid groups which ink bonds to the vitreous article when exposed to radiation, and (ii) is strippable from the vitreous article upon exposure to alkali, b) curing the ink on the vitreous article by exposing it to the radiation by which it is curable, c) subjecting the decorated vitreous article to heat sufficient and for a time sufficient to bond the ink to the vitreous article.
2. The method of claim 1 wherein the alkali is an aqueous alkaline solution.
3. The method of claim 2 wherein the aqueous alkaline solution comprises 2 to 10% by weight of alkali.
4. The method of claim 3 wherein the alkaline solution is an aqueous solution of sodium hydroxide or potassium hydroxide. 20 5. The method of claim 4 wherein the alkaline solution contains 4% by weight of sodium hydroxide.
6. The method of claim 1 wherein the ink composition is strippable from the vitreous article upon exposure to an aqueous alkaline solution for a period of 1 to 60 minutes, wherein said aqueous alkaline solution has a temperature of S. to 100 0 C, and contains 2 to 20% by weight of the total alkali composition of alkali.
7. The method of claim 1 wherein the ink composition comprises a monomer or oligomer having at least one free acidic group.
8. The method of claim 7 wherein the one or more acidic group is a carboxylic acid group, a phosphoric acid group, or a sulfonic acid group. doc 26
9. The method of claim 7 wherein the monomer or oligomer is an ethylenically unsaturated monomer or oligomer. The method of claim 9 wherein the ethylenically unsaturated monomer or oligomer is an acrylate or methacrylate.
11. The method of claim 10 where in the one or more acidic group is a carboxylic acid group.
12. The method of claim 11 wherein the monomer or oligomer contains repeating alkylene oxide units.
13. The method of claim 11 wherein the monomer or oligomer is an aromatic acid anhydride.
14. The method of claim 1 wherein the ink composition comprises, by weight of the total composition: 5-95% of an ethylenically unsaturated monomer or oligomer having at least one free acid group, and 20 5-95% pigment. a a
15. The method of claim 14 wherein the ink composition further comprises 0.5-25% by weight of the total composition of a silane adhesion promoter.
16. The method of claim 14 wherein the ink composition further comprises 0.1-10% by weight of the total composition of a polyether defoaming agent. oooe
17. The method of claim 14 wherein the ink composition further comprises a fluorinated surfactant.
18. The method of claim 1 wherein the ink is curable by exposure to actinic radiation. 27
19. The method of claim 1 wherein the ink is curable by exposure to ultraviolet radiation. The method of claim 1 wherein the vitreous article is glass.
21. A method for stripping decorative indicia from a glass substrate decorated with a radiation cured ink composition containing free acid groups which ink is operable after radiation curing and exposure of the decorated vitreous article to heat sufficient and for a time sufficient to bond to glass and, (ii) strippable from the glass upon exposure to alkali, comprising contacting the glass substrate having the decorative indicia thereon, with an aqueous alkaline solution containing 2-20% by weight alkali for a period of 1 to 60 minutes.
22. The method of claim 21 wherein the glass substrate having the decorative indicia thereon is contacted with the aqueous alkaline solution at a temperature of 60 to 1000C.
23. The method of claim 21 wherein the radiation cured ink composition is a polymeric composition formed by the polymerization of ethylenically unsaturated S. 20 monomers or oligomers having at least one free acid group.
24. The method of claim 23 wherein the ethylenically unsaturated monomers *or oligomers are acrylates or methacrylates.
25. The method of claim 23 wherein the one or more acid group is a carboxylic acid group, a sulfonic group, or a phosphoric acid group.
26. The method of claim 25 wherein the one or more acid group is a carboxylic acid group. W:\ciskankspecies\75955- 9 8.doc 28
27. A method for decorating a vitreous article comprising the steps of: a) applying to the vitreous article in a predetermined design a radiation curable ink composition comprising free acid groups which ink is (i) operable when cured to bond to the vitreous article, and (ii) strippable from the vitreous article upon exposure to alkali, b) curing the ink on the vitreous article by exposing it to the radiation by which it is curable, and c) subjecting the decorated vitreous article to a temperature of 900C or greater for at least 0.5 minutes or until the ink is sufficiently adhered to the vitreous article.
28. The method of claim 27 wherein the alkali is an aqueous alkaline solution.
29. The method of claim 28 wherein the aqueous alkaline solution comprises 2 to 10% by weight of alkali. The method of claim 29 wherein the alkaline solution is an aqueous solution of sodium hydroxide or potassium hydroxide.
31. The method of claim 30 wherein the alkaline solution contains 4% by weight of sodium hydroxide.
32. The method of claim 27 wherein the ink composition is strippable from the vitreous article upon exposure to an aqueous alkaline solution for a period :of 1 to 60 minutes, wherein said aqueous alkaline solution has a temperature of to 1000C, and contains 2 to 20% by weight of the total alkali composition of alkali.
33. The method of claim 27 wherein the ink composition comprises a monomer or oligomer having at least one free acidic group.
34. The method of claim 33 wherein the acidic group is a carboxylic acid -group, a phosphoric acid group, or a sulfonic acid group. W:\ciska~nkiF\species\75955-98.dc 29 The method of claim 33 wherein the monomer or oligomer is an ethylenically unsaturated monomer or oligomer.
36. The method of claim 35 wherein the ethylenically unsaturated monomer or oligomer is an acrylate or methacrylate.
37. The method of claim 36 wherein the acidic group is a carboxylic acid group.
38. The method of claim 37 wherein the monomer or oligomer contains repeating alkylene oxide units.
39. The method of claim 37 wherein the monomer or oligomer is an aromatic acid anhydride. The method of claim 27 wherein the ink composition comprises, by weight of the total composition: about 5-95% of an ethylenically unsaturated monomer or oligomer having at least one free acid group, and about 5-95% pigment.
41. The method of claim 40 wherein the ink composition further comprises *about 0.5-25% by weight of the total composition of a silane adhesion promoter.
42. The method of claim 40 wherein the ink composition further comprises about 0.01-10% by weight of the total composition of a polyether defoaming agent.
43. The method of claim 40 wherein the ink composition further comprises a 30 fluorinated surfactant.
44. The method of claim 27 wherein the ink is curable by exposure to actinic radiation. ':ciska\nki\speces\75955-9 8 .doc The method of claim 27 wherein the ink is curable by exposure to ultraviolet radiation.
46. The method of claim 27 wherein the vitreous article is glass.
47. A method for stripping decorative indicia from a glass substrate decorated with a radiation cured ink composition containing free acid groups which ink is operable after radiation curing and exposure of the decorated vitreous article to a temperature of 90 0 C or greater and, (ii) strippable from the glass upon exposure to alkali, comprising contacting the glass substrate having the decorative indicia thereon, with an aqueous alkaline solution containing about 2-20% by weight alkali for a period of 1 to 60 minutes.
48. The method of claim 47 wherein the glass substrate having the decorative indicia thereon is contacted with the aqueous alkaline solution at a temperature of about 60 to 100 0 C.
49. The method of claim 47 wherein the radiation cured ink composition is a polymeric composition formed by the polymerization of ethylenically unsaturated *i 20 monomers or oligomers having at least one free acid group. U
50. The method of claim 49 wherein the ethylenically unsaturated monomers or oligomers are acrylates or methacrylates.
51. The method of claim 49 wherein the acid group is a carboxylic acid group, a sulfonic acid group, or a phosphoric acid group.
52. The method of claim 51 wherein the acid group is a carboxylic acid group.
53. The method of claim 27 wherein the length of exposure at the elevated temperature is between about 0.5 minutes to about 30 minutes. 31
54. The method of claim 47 wherein the length of exposure at the elevated temperature is between about 0.5 minutes to about 30 minutes. A method according to claim 1, 21, 28 or 47 substantially as hereinbefore described. DATED: 4 July, 2002 PHILLIPS ORMONDE FITZPATRICK Attorneys for: REVLON CONSUMER PRODUCTS CORPORATION 55o2
Applications Claiming Priority (5)
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US86230497A | 1997-05-23 | 1997-05-23 | |
US08/862304 | 1997-05-23 | ||
US08/868,409 US6093455A (en) | 1997-05-23 | 1997-06-03 | Method and compositions for decorating glass |
US08/868409 | 1997-06-03 | ||
PCT/US1998/010624 WO1998052700A1 (en) | 1997-05-23 | 1998-05-22 | Method and compositions for decorating glass |
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AU7595598A AU7595598A (en) | 1998-12-11 |
AU751447B2 true AU751447B2 (en) | 2002-08-15 |
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AU75955/98A Ceased AU751447B2 (en) | 1997-05-23 | 1998-05-22 | Method and compositions for decorating glass |
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EP (1) | EP1003613A4 (en) |
JP (1) | JP2002511805A (en) |
AU (1) | AU751447B2 (en) |
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CA (1) | CA2290430C (en) |
DE (1) | DE1003613T1 (en) |
ES (1) | ES2161662T1 (en) |
IL (1) | IL133047A0 (en) |
NO (1) | NO995719L (en) |
TR (1) | TR199902877T2 (en) |
TW (1) | TW589353B (en) |
WO (1) | WO1998052700A1 (en) |
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ES2285868T3 (en) * | 1998-12-22 | 2007-11-16 | Vitro Europa, Ltd. | COMPOSITION OF CURABLE PAINTING BY ULTRAVIOLET RADIATION AND PROCESS FOR APPLICATION IN GLASS SUBSTRATES. |
US6413618B1 (en) | 1999-05-11 | 2002-07-02 | Congoleum Corporation | Laminated glass floor tile and flooring made therefrom and method for making same |
JP2006328227A (en) * | 2005-05-26 | 2006-12-07 | Fujifilm Holdings Corp | Ink composition, image-forming method and recorded article |
WO2009101401A1 (en) * | 2008-02-11 | 2009-08-20 | Sun Chemical B.V. | Inkjet inks and printing |
GB0805495D0 (en) * | 2008-03-26 | 2008-04-30 | Sun Chemical Bv | An ink jet-printable composition and a masking process |
AT506074B1 (en) * | 2008-06-12 | 2009-06-15 | Durst Phototech Digital Tech | ADHESION ADDITIVE ADDITION TO AN INK FOR PRINTING GLASS |
MX2011004208A (en) * | 2008-10-20 | 2011-05-24 | Plastipak Packaging Inc | Digital printing plastic containers with improved adhesion and recyclability. |
KR101175056B1 (en) | 2012-05-14 | 2012-08-23 | 강양석 | Method for manufacturing of reinforced frame and the reinforced frame manufactured same method |
DE102013207799A1 (en) * | 2013-04-29 | 2014-10-30 | Krones Ag | Direct printing method for printing on plastic containers with cover layer |
DE102013207809A1 (en) * | 2013-04-29 | 2014-10-30 | Heidelberger Druckmaschinen Ag | Direct printing with underlayer |
JP6606393B2 (en) * | 2015-09-30 | 2019-11-13 | 大日本塗料株式会社 | Active energy ray-curable ink composition for decorating inorganic substrates |
KR102210938B1 (en) | 2017-11-28 | 2021-02-01 | 주식회사 엘지화학 | A composition for shielding a waveguide edge with excellent adhesion |
CN110577367B (en) * | 2018-08-13 | 2022-03-22 | 蓝思科技(长沙)有限公司 | Glass protection processing technology, glass and equipment |
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US5571359A (en) * | 1992-01-24 | 1996-11-05 | Revlon Consumer Products Corporation | Radiation curable pigmented compositions |
US5587405A (en) * | 1992-09-14 | 1996-12-24 | Yoshino Kogyosho Co., Ltd. | Ink compositions |
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US4170663A (en) * | 1978-03-13 | 1979-10-09 | Ppg Industries, Inc. | Method for producing coatings of low gloss |
DE3262270D1 (en) * | 1981-03-20 | 1985-03-28 | Ciba Geigy Ag | Process for colouring highly molecular organic material and polycyclic pigments |
US4722947A (en) * | 1985-08-05 | 1988-02-02 | Pony Industries, Inc. | Production of radiation curable partial esters of anhydride-containing copolymers |
CA1333785C (en) * | 1987-04-28 | 1995-01-03 | Yutaka Hashimoto | Method of increasing the dynamical strength of glass container |
DE3901608A1 (en) * | 1989-01-20 | 1990-07-26 | Byk Chemie Gmbh | COATINGS AND MOLDINGS CONTAINING POLYMERISES OF ALKYLVINYL ETHERS AND THEIR USE AS EXPORTING OR ANTI-CLAIMING AGENTS |
US5221560A (en) * | 1989-02-17 | 1993-06-22 | Swedlow, Inc. | Radiation-curable coating compositions that form transparent, abrasion resistant tintable coatings |
EP0394695B1 (en) * | 1989-03-30 | 1997-07-02 | Toyo Boseki Kabushiki Kaisha | Radiation curable resin and composition thereof |
US5562951A (en) * | 1995-05-01 | 1996-10-08 | Revlon Consumer Products Corporation | Method for printing articles with multiple radiation curable compositions |
-
1998
- 1998-05-22 TR TR1999/02877T patent/TR199902877T2/en unknown
- 1998-05-22 DE DE1003613T patent/DE1003613T1/en active Pending
- 1998-05-22 ES ES98923736T patent/ES2161662T1/en active Pending
- 1998-05-22 IL IL13304798A patent/IL133047A0/en unknown
- 1998-05-22 WO PCT/US1998/010624 patent/WO1998052700A1/en active IP Right Grant
- 1998-05-22 JP JP55073098A patent/JP2002511805A/en not_active Ceased
- 1998-05-22 EP EP98923736A patent/EP1003613A4/en not_active Withdrawn
- 1998-05-22 AU AU75955/98A patent/AU751447B2/en not_active Ceased
- 1998-05-22 CA CA002290430A patent/CA2290430C/en not_active Expired - Fee Related
- 1998-05-22 BR BR9809156-5A patent/BR9809156A/en unknown
- 1998-05-28 TW TW087107974A patent/TW589353B/en not_active IP Right Cessation
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1999
- 1999-11-22 NO NO995719A patent/NO995719L/en not_active Application Discontinuation
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US3872044A (en) * | 1972-09-25 | 1975-03-18 | Ferro Corp | Thermoplastic screen process inks |
US5571359A (en) * | 1992-01-24 | 1996-11-05 | Revlon Consumer Products Corporation | Radiation curable pigmented compositions |
US5587405A (en) * | 1992-09-14 | 1996-12-24 | Yoshino Kogyosho Co., Ltd. | Ink compositions |
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EP1003613A1 (en) | 2000-05-31 |
EP1003613A4 (en) | 2002-07-17 |
AU7595598A (en) | 1998-12-11 |
CA2290430C (en) | 2004-08-17 |
ES2161662T1 (en) | 2001-12-16 |
NO995719D0 (en) | 1999-11-22 |
IL133047A0 (en) | 2001-03-19 |
WO1998052700A1 (en) | 1998-11-26 |
TW589353B (en) | 2004-06-01 |
CA2290430A1 (en) | 1998-11-26 |
JP2002511805A (en) | 2002-04-16 |
DE1003613T1 (en) | 2001-09-20 |
BR9809156A (en) | 2000-08-01 |
TR199902877T2 (en) | 2000-06-21 |
NO995719L (en) | 2000-01-24 |
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