CA2920009C - Rotogravure printing processes for producing optically variable security features - Google Patents
Rotogravure printing processes for producing optically variable security features Download PDFInfo
- Publication number
- CA2920009C CA2920009C CA2920009A CA2920009A CA2920009C CA 2920009 C CA2920009 C CA 2920009C CA 2920009 A CA2920009 A CA 2920009A CA 2920009 A CA2920009 A CA 2920009A CA 2920009 C CA2920009 C CA 2920009C
- Authority
- CA
- Canada
- Prior art keywords
- liquid crystal
- cholesteric liquid
- oxy
- acryloyloxy
- optically variable
- 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.)
- Active
Links
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- 230000008569 process Effects 0.000 title claims abstract description 45
- 238000007639 printing Methods 0.000 title claims description 35
- 239000004986 Cholesteric liquid crystals (ChLC) Substances 0.000 claims abstract description 101
- 239000000203 mixture Substances 0.000 claims abstract description 94
- 239000002243 precursor Substances 0.000 claims abstract description 56
- 239000000758 substrate Substances 0.000 claims abstract description 49
- 229920000106 Liquid crystal polymer Polymers 0.000 claims abstract description 34
- 230000001747 exhibiting effect Effects 0.000 claims abstract description 18
- 238000010438 heat treatment Methods 0.000 claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 claims abstract description 14
- 150000001875 compounds Chemical class 0.000 claims description 50
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 45
- 239000002019 doping agent Substances 0.000 claims description 18
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- 230000005855 radiation Effects 0.000 claims description 10
- 238000012546 transfer Methods 0.000 claims description 10
- 125000004191 (C1-C6) alkoxy group Chemical group 0.000 claims description 5
- MTEOMEWVDVPTNN-UHFFFAOYSA-E almagate Chemical compound O.O.[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Mg+2].[Mg+2].[Mg+2].[Al+3].[O-]C([O-])=O MTEOMEWVDVPTNN-UHFFFAOYSA-E 0.000 claims 1
- 235000013350 formula milk Nutrition 0.000 description 64
- 239000010410 layer Substances 0.000 description 39
- 239000000463 material Substances 0.000 description 31
- 210000004027 cell Anatomy 0.000 description 26
- 239000000976 ink Substances 0.000 description 23
- 125000003236 benzoyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C(*)=O 0.000 description 21
- 239000004973 liquid crystal related substance Substances 0.000 description 20
- 125000004106 butoxy group Chemical group [*]OC([H])([H])C([H])([H])C(C([H])([H])[H])([H])[H] 0.000 description 16
- 239000000306 component Substances 0.000 description 14
- 238000000576 coating method Methods 0.000 description 13
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- 230000015572 biosynthetic process Effects 0.000 description 7
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- 230000033458 reproduction Effects 0.000 description 7
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- 125000000217 alkyl group Chemical group 0.000 description 6
- 229940050390 benzoate Drugs 0.000 description 6
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 6
- 238000003486 chemical etching Methods 0.000 description 6
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- 241001052209 Cylinder Species 0.000 description 5
- 239000008199 coating composition Substances 0.000 description 5
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- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- MTZQAGJQAFMTAQ-UHFFFAOYSA-N ethyl benzoate Chemical compound CCOC(=O)C1=CC=CC=C1 MTZQAGJQAFMTAQ-UHFFFAOYSA-N 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
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- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- 125000003118 aryl group Chemical group 0.000 description 3
- 210000002421 cell wall Anatomy 0.000 description 3
- 230000003098 cholesteric effect Effects 0.000 description 3
- 239000003086 colorant Substances 0.000 description 3
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- 238000001228 spectrum Methods 0.000 description 3
- 125000004169 (C1-C6) alkyl group Chemical group 0.000 description 2
- BTJPUDCSZVCXFQ-UHFFFAOYSA-N 2,4-diethylthioxanthen-9-one Chemical compound C1=CC=C2C(=O)C3=CC(CC)=CC(CC)=C3SC2=C1 BTJPUDCSZVCXFQ-UHFFFAOYSA-N 0.000 description 2
- 108010010803 Gelatin Proteins 0.000 description 2
- 239000004988 Nematic liquid crystal Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
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- 125000001424 substituent group Chemical group 0.000 description 2
- 238000001429 visible spectrum Methods 0.000 description 2
- 229910052724 xenon Inorganic materials 0.000 description 2
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 2
- KLDXJTOLSGUMSJ-KVTDHHQDSA-N (3r,3ar,6r,6ar)-2,3,3a,5,6,6a-hexahydrofuro[3,2-b]furan-3,6-diol Chemical class O[C@@H]1CO[C@@H]2[C@H](O)CO[C@@H]21 KLDXJTOLSGUMSJ-KVTDHHQDSA-N 0.000 description 1
- LAYAKLSFVAPMEL-UHFFFAOYSA-N 1-ethenoxydodecane Chemical compound CCCCCCCCCCCCOC=C LAYAKLSFVAPMEL-UHFFFAOYSA-N 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
- XDZMPRGFOOFSBL-UHFFFAOYSA-N 2-ethoxybenzoic acid Chemical compound CCOC1=CC=CC=C1C(O)=O XDZMPRGFOOFSBL-UHFFFAOYSA-N 0.000 description 1
- 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 1
- KTALPKYXQZGAEG-UHFFFAOYSA-N 2-propan-2-ylthioxanthen-9-one Chemical compound C1=CC=C2C(=O)C3=CC(C(C)C)=CC=C3SC2=C1 KTALPKYXQZGAEG-UHFFFAOYSA-N 0.000 description 1
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- WQZGKKKJIJFFOK-QTVWNMPRSA-N D-mannopyranose Chemical compound OC[C@H]1OC(O)[C@@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-QTVWNMPRSA-N 0.000 description 1
- NLDMNSXOCDLTTB-UHFFFAOYSA-N Heterophylliin A Natural products O1C2COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC2C(OC(=O)C=2C=C(O)C(O)=C(O)C=2)C(O)C1OC(=O)C1=CC(O)=C(O)C(O)=C1 NLDMNSXOCDLTTB-UHFFFAOYSA-N 0.000 description 1
- 239000004890 Hydrophobing Agent Substances 0.000 description 1
- KLDXJTOLSGUMSJ-JGWLITMVSA-N Isosorbide Chemical class O[C@@H]1CO[C@@H]2[C@@H](O)CO[C@@H]21 KLDXJTOLSGUMSJ-JGWLITMVSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
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- UEEBQQAQBBLNRF-UHFFFAOYSA-N [2-methoxy-4-[3-methoxy-4-(4-prop-2-enoyloxybutoxycarbonyloxy)benzoyl]oxyphenyl] 3,5-dimethoxy-4-(4-prop-2-enoyloxybutoxycarbonyloxy)benzoate Chemical compound C=1C=C(OC(=O)C=2C=C(OC)C(OC(=O)OCCCCOC(=O)C=C)=C(OC)C=2)C(OC)=CC=1OC(=O)C1=CC=C(OC(=O)OCCCCOC(=O)C=C)C(OC)=C1 UEEBQQAQBBLNRF-UHFFFAOYSA-N 0.000 description 1
- HIIYFDZFXVPIKC-UHFFFAOYSA-N [2-methoxy-4-[3-methyl-4-(4-prop-2-enoyloxybutoxy)benzoyl]oxyphenyl] 3,5-dimethyl-4-(4-prop-2-enoyloxybutoxy)benzoate Chemical compound C=1C=C(OC(=O)C=2C=C(C)C(OCCCCOC(=O)C=C)=C(C)C=2)C(OC)=CC=1OC(=O)C1=CC=C(OCCCCOC(=O)C=C)C(C)=C1 HIIYFDZFXVPIKC-UHFFFAOYSA-N 0.000 description 1
- KXFHARPQJUOTAC-UHFFFAOYSA-N [2-methyl-4-[4-(4-prop-2-enoyloxybutoxycarbonyloxy)benzoyl]oxyphenyl] 3-methoxy-4-(4-prop-2-enoyloxybutoxycarbonyloxy)benzoate Chemical compound C1=C(OC(=O)OCCCCOC(=O)C=C)C(OC)=CC(C(=O)OC=2C(=CC(OC(=O)C=3C=CC(OC(=O)OCCCCOC(=O)C=C)=CC=3)=CC=2)C)=C1 KXFHARPQJUOTAC-UHFFFAOYSA-N 0.000 description 1
- DNRFNGAMWYUVHZ-UHFFFAOYSA-N [2-propan-2-yloxy-4-[4-(4-prop-2-enoyloxybutoxy)benzoyl]oxyphenyl] 2-methyl-4-(4-prop-2-enoyloxybutoxy)benzoate Chemical compound C=1C=C(OC(=O)C=2C(=CC(OCCCCOC(=O)C=C)=CC=2)C)C(OC(C)C)=CC=1OC(=O)C1=CC=C(OCCCCOC(=O)C=C)C=C1 DNRFNGAMWYUVHZ-UHFFFAOYSA-N 0.000 description 1
- KMRVWOUODVVBCL-UHFFFAOYSA-N [3-methoxy-4-[4-(4-prop-2-enoyloxybutoxy)benzoyl]oxyphenyl] 2,5-dimethyl-4-(4-prop-2-enoyloxybutoxy)benzoate Chemical compound C=1C=C(OC(=O)C=2C=CC(OCCCCOC(=O)C=C)=CC=2)C(OC)=CC=1OC(=O)C1=CC(C)=C(OCCCCOC(=O)C=C)C=C1C KMRVWOUODVVBCL-UHFFFAOYSA-N 0.000 description 1
- GLPHVTGTHHCTIY-UHFFFAOYSA-N [3-methyl-4-[4-(4-prop-2-enoyloxybutoxy)benzoyl]oxyphenyl] 2-methyl-4-(4-prop-2-enoyloxybutoxy)benzoate Chemical compound C=1C=C(OC(=O)C=2C=CC(OCCCCOC(=O)C=C)=CC=2)C(C)=CC=1OC(=O)C1=CC=C(OCCCCOC(=O)C=C)C=C1C GLPHVTGTHHCTIY-UHFFFAOYSA-N 0.000 description 1
- PDDFVGNDHCLGJN-UHFFFAOYSA-N [4-[2,5-dimethyl-4-(4-prop-2-enoyloxybutoxy)benzoyl]oxy-2-methylphenyl] 3,5-dimethyl-4-(4-prop-2-enoyloxybutoxy)benzoate Chemical compound C=1C=C(OC(=O)C=2C=C(C)C(OCCCCOC(=O)C=C)=C(C)C=2)C(C)=CC=1OC(=O)C1=CC(C)=C(OCCCCOC(=O)C=C)C=C1C PDDFVGNDHCLGJN-UHFFFAOYSA-N 0.000 description 1
- UKFVBFUWBBJVQZ-UHFFFAOYSA-N [4-[3-methoxy-4-(4-prop-2-enoyloxybutoxycarbonyloxy)benzoyl]oxy-2-methylphenyl] 3,5-dimethoxy-4-(4-prop-2-enoyloxybutoxycarbonyloxy)benzoate Chemical compound C1=C(OC(=O)OCCCCOC(=O)C=C)C(OC)=CC(C(=O)OC=2C=C(C)C(OC(=O)C=3C=C(OC)C(OC(=O)OCCCCOC(=O)C=C)=C(OC)C=3)=CC=2)=C1 UKFVBFUWBBJVQZ-UHFFFAOYSA-N 0.000 description 1
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- 150000008366 benzophenones Chemical class 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
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- 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
- CREMABGTGYGIQB-UHFFFAOYSA-N carbon carbon Chemical compound C.C CREMABGTGYGIQB-UHFFFAOYSA-N 0.000 description 1
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- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- YLHXLHGIAMFFBU-UHFFFAOYSA-N methyl phenylglyoxalate Chemical compound COC(=O)C(=O)C1=CC=CC=C1 YLHXLHGIAMFFBU-UHFFFAOYSA-N 0.000 description 1
- OXILFLCUDLSQBZ-WHECAKDPSA-N n-[(2s)-1-[[(e,4r)-4-[[(2s)-1-[[(2s)-1-amino-3-(1h-indol-3-yl)-1-oxopropan-2-yl]amino]-5-(diaminomethylideneamino)-1-oxopentan-2-yl]carbamoyl]-6-methylhept-2-enyl]amino]-1-oxo-3-phenylpropan-2-yl]-4-fluorobenzamide Chemical compound C([C@@H](C(=O)NC/C=C/[C@@H](CC(C)C)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CC=1C2=CC=CC=C2NC=1)C(N)=O)NC(=O)C=1C=CC(F)=CC=1)C1=CC=CC=C1 OXILFLCUDLSQBZ-WHECAKDPSA-N 0.000 description 1
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- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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- 239000011347 resin Substances 0.000 description 1
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- 238000007650 screen-printing Methods 0.000 description 1
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- YRHRIQCWCFGUEQ-UHFFFAOYSA-N thioxanthen-9-one Chemical class C1=CC=C2C(=O)C3=CC=CC=C3SC2=C1 YRHRIQCWCFGUEQ-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
- B41M3/14—Security printing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F11/00—Rotary presses or machines having forme cylinders carrying a plurality of printing surfaces, or for performing letterpress, lithographic, or intaglio processes selectively or in combination
- B41F11/02—Rotary presses or machines having forme cylinders carrying a plurality of printing surfaces, or for performing letterpress, lithographic, or intaglio processes selectively or in combination for securities
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/10—Intaglio printing ; Gravure printing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
- B41M3/14—Security printing
- B41M3/148—Transitory images, i.e. images only visible from certain viewing angles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
- B42D25/23—Identity cards
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
- B42D25/29—Securities; Bank notes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/30—Identification or security features, e.g. for preventing forgery
- B42D25/355—Security threads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/30—Identification or security features, e.g. for preventing forgery
- B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
- B42D25/364—Liquid crystals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/40—Manufacture
- B42D25/405—Marking
- B42D25/43—Marking by removal of material
- B42D25/44—Marking by removal of material using mechanical means, e.g. engraving
-
- 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
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K19/00—Liquid crystal materials
- C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
- C09K19/38—Polymers
- C09K19/3804—Polymers with mesogenic groups in the main chain
- C09K19/3809—Polyesters; Polyester derivatives, e.g. polyamides
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K19/00—Liquid crystal materials
- C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
- C09K19/38—Polymers
- C09K19/3833—Polymers with mesogenic groups in the side chain
- C09K19/3842—Polyvinyl derivatives
- C09K19/3852—Poly(meth)acrylate derivatives
- C09K19/3861—Poly(meth)acrylate derivatives containing condensed ring systems
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K19/00—Liquid crystal materials
- C09K19/52—Liquid crystal materials characterised by components which are not liquid crystals, e.g. additives with special physical aspect: solvents, solid particles
- C09K19/58—Dopants or charge transfer agents
- C09K19/586—Optically active dopants; chiral dopants
- C09K19/588—Heterocyclic compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K19/00—Liquid crystal materials
- C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
- C09K2019/0444—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit characterized by a linking chain between rings or ring systems, a bridging chain between extensive mesogenic moieties or an end chain group
- C09K2019/0448—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit characterized by a linking chain between rings or ring systems, a bridging chain between extensive mesogenic moieties or an end chain group the end chain group being a polymerizable end group, e.g. -Sp-P or acrylate
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K19/00—Liquid crystal materials
- C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
- C09K19/06—Non-steroidal liquid crystal compounds
- C09K19/34—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring
- C09K19/3402—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring having oxygen as hetero atom
- C09K19/3405—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring having oxygen as hetero atom the heterocyclic ring being a five-membered ring
- C09K2019/3408—Five-membered ring with oxygen(s) in fused, bridged or spiro ring systems
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Accounting & Taxation (AREA)
- Finance (AREA)
- Business, Economics & Management (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Printing Methods (AREA)
- Credit Cards Or The Like (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
- Polarising Elements (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP13189087 | 2013-10-17 | ||
| EP13189087.3 | 2013-10-17 | ||
| PCT/EP2014/071665 WO2015055504A1 (en) | 2013-10-17 | 2014-10-09 | Rotogravure printing processes for producing optically variable security features |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2920009A1 CA2920009A1 (en) | 2015-04-23 |
| CA2920009C true CA2920009C (en) | 2021-10-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2920009A Active CA2920009C (en) | 2013-10-17 | 2014-10-09 | Rotogravure printing processes for producing optically variable security features |
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| Country | Link |
|---|---|
| US (1) | US10654307B2 (enExample) |
| EP (1) | EP3057801B1 (enExample) |
| JP (1) | JP6539852B2 (enExample) |
| KR (1) | KR102286519B1 (enExample) |
| CN (1) | CN105636794B (enExample) |
| AU (1) | AU2014336415B2 (enExample) |
| BR (1) | BR112016003299B8 (enExample) |
| CA (1) | CA2920009C (enExample) |
| ES (1) | ES2759101T3 (enExample) |
| MX (1) | MX2016004716A (enExample) |
| PH (1) | PH12016500714A1 (enExample) |
| RU (1) | RU2640269C2 (enExample) |
| WO (1) | WO2015055504A1 (enExample) |
| ZA (1) | ZA201601254B (enExample) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015119459A1 (ko) * | 2014-02-07 | 2015-08-13 | 한국기계연구원 | 위조방지 패턴 생성 장치 및 그 방법, 위조방지 패턴 감지 장치 및 그 방법 |
| US20200049871A1 (en) * | 2016-10-24 | 2020-02-13 | Yingqiu Jiang | Optical device with reflective multicolored and emissive images |
| CN110573280B (zh) | 2017-04-28 | 2022-08-09 | 乐金显示有限公司 | 金属纳米结构及其制造方法 |
| KR102424876B1 (ko) * | 2017-04-28 | 2022-07-22 | 엘지디스플레이 주식회사 | 키랄성 금속 나노구조체를 이용한 암호화 방법 |
| GB201803979D0 (en) * | 2018-03-13 | 2018-04-25 | Johnson Matthey Plc | Security device, method of making a security device and method of authenticating a product |
| TWI748696B (zh) * | 2019-11-18 | 2021-12-01 | 德商博斯特比勒費爾德有限公司 | 用於決定印刷機之印刷參數的方法及測試平台 |
| AU2021260107A1 (en) | 2020-04-23 | 2022-12-22 | Sicpa Holding Sa | Process for producing dichroic security features for securing value documents |
| PT4244297T (pt) * | 2020-11-10 | 2024-11-22 | Sicpa Holding Sa | Tintas de segurança curáveis por radiação uv-vis para produzir características de segurança dicroicas |
| JPWO2022138142A1 (enExample) * | 2020-12-25 | 2022-06-30 | ||
| US11875499B2 (en) * | 2022-02-28 | 2024-01-16 | Honeywell Federal Manufacturing & Technologies, Llc | Fluorescent security glass |
| US20250303775A1 (en) | 2022-03-01 | 2025-10-02 | Sicpa Holding Sa | Overt security features |
| WO2025103855A1 (en) | 2023-11-13 | 2025-05-22 | Sicpa Holding Sa | Authentication device and authentication method for authentication of an elliptically polarizing security marking |
| CN118112831A (zh) * | 2024-01-29 | 2024-05-31 | 中国科学院福建物质结构研究所 | 基于力致变色胆甾相液晶弹性体的信息呈现方法及应用 |
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| JPH0651432B2 (ja) * | 1985-06-17 | 1994-07-06 | 花王株式会社 | 熱転写記録媒体用プラスチックフイルムの製造方法 |
| DE69325555D1 (de) | 1992-04-27 | 1999-08-12 | Merck Patent Gmbh | Elektrooptisches fluessigkristallsystem |
| DE4405316A1 (de) | 1994-02-19 | 1995-08-24 | Basf Ag | Neue polymerisierbare flüssigkristalline Verbindungen |
| JPH0858224A (ja) * | 1994-08-23 | 1996-03-05 | Toppan Printing Co Ltd | 情報担持体 |
| DE19532408A1 (de) | 1995-09-01 | 1997-03-06 | Basf Ag | Polymerisierbare flüssigkristalline Verbindungen |
| JP3652476B2 (ja) * | 1997-07-29 | 2005-05-25 | 日本発条株式会社 | 対象物の識別構造及びその構造が設けられた対象物 |
| US6589445B2 (en) | 2000-06-27 | 2003-07-08 | Fuji Photo Film Co., Ltd. | Light-reaction type optically active compound, light-reaction type chiral agent, liquid crystal composition, liquid crystal color filter, optical film, recording medium, and method of changing twist structure of liquid crystal |
| CA2445080A1 (en) | 2001-04-24 | 2002-10-31 | Merck Patent Gesellschaft Mit Beschraenkter Haftung | Birefringent marking |
| GB0129369D0 (en) * | 2001-12-07 | 2002-01-30 | Filtrona United Kingdom Ltd | Method and apparatus for marking articles |
| JP2007519941A (ja) | 2003-11-21 | 2007-07-19 | メルク パテント ゲゼルシャフト ミット ベシュレンクテル ハフトング | 抽出剤を用いたキラル液晶膜の改変方法 |
| GB2438384B (en) | 2006-05-26 | 2008-10-29 | Rue De Int Ltd | Improvements in forming security devices |
| JP5119736B2 (ja) | 2006-06-29 | 2013-01-16 | Ｊｎｃ株式会社 | 重合性液晶組成物およびその用途 |
| WO2008018560A1 (en) * | 2006-08-09 | 2008-02-14 | Nhk Spring Co., Ltd. | Identifying medium, identifying medium manufacturing method, article and identifying medium identifying method |
| JP5245296B2 (ja) * | 2007-06-12 | 2013-07-24 | 凸版印刷株式会社 | 偽造防止媒体および判別方法 |
| PE20100769A1 (es) * | 2009-04-02 | 2010-11-25 | Sicpa Holding Sa | Identificacion y autenticacion usando marcados de material de cristal liquido polimerico |
| CN101930141B (zh) * | 2009-06-25 | 2013-04-10 | 中国人民银行印制科学技术研究所 | 液晶机读防伪元件 |
| EP2552604A1 (en) * | 2010-03-30 | 2013-02-06 | Merck Patent GmbH | Method for producing multicoloured coatings |
| MX2013005926A (es) | 2010-12-07 | 2013-08-26 | Sicpa Holding Sa | Control simplificado de las propiedades de cambio de color de un polimero de cristal liquido quiral. |
| CA2818026C (en) | 2010-12-07 | 2018-11-06 | Sicpa Holding Sa | Composite marking based on chiral liquid crystal precursors |
| CN102935769B (zh) * | 2012-11-27 | 2015-04-15 | 中国人民银行印制科学技术研究所 | 一种安全制品及印制防伪标记的方法 |
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2014
- 2014-10-09 RU RU2016118673A patent/RU2640269C2/ru active
- 2014-10-09 CA CA2920009A patent/CA2920009C/en active Active
- 2014-10-09 AU AU2014336415A patent/AU2014336415B2/en active Active
- 2014-10-09 BR BR112016003299A patent/BR112016003299B8/pt active IP Right Grant
- 2014-10-09 CN CN201480056898.2A patent/CN105636794B/zh active Active
- 2014-10-09 MX MX2016004716A patent/MX2016004716A/es unknown
- 2014-10-09 ES ES14781894T patent/ES2759101T3/es active Active
- 2014-10-09 WO PCT/EP2014/071665 patent/WO2015055504A1/en not_active Ceased
- 2014-10-09 EP EP14781894.2A patent/EP3057801B1/en active Active
- 2014-10-09 US US15/029,660 patent/US10654307B2/en active Active
- 2014-10-09 JP JP2016515510A patent/JP6539852B2/ja active Active
- 2014-10-09 KR KR1020167008314A patent/KR102286519B1/ko active Active
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2016
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- 2016-04-15 PH PH12016500714A patent/PH12016500714A1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP3057801B1 (en) | 2019-08-14 |
| AU2014336415B2 (en) | 2018-12-06 |
| BR112016003299B1 (pt) | 2022-01-25 |
| CN105636794A (zh) | 2016-06-01 |
| ES2759101T3 (es) | 2020-05-07 |
| RU2016118673A (ru) | 2017-11-22 |
| WO2015055504A1 (en) | 2015-04-23 |
| PH12016500714A1 (en) | 2016-05-30 |
| JP6539852B2 (ja) | 2019-07-10 |
| HK1221691A1 (zh) | 2017-06-09 |
| BR112016003299B8 (pt) | 2022-08-09 |
| US20160263931A1 (en) | 2016-09-15 |
| RU2640269C2 (ru) | 2017-12-27 |
| CN105636794B (zh) | 2019-05-03 |
| CA2920009A1 (en) | 2015-04-23 |
| EP3057801A1 (en) | 2016-08-24 |
| KR20160070745A (ko) | 2016-06-20 |
| KR102286519B1 (ko) | 2021-08-09 |
| US10654307B2 (en) | 2020-05-19 |
| JP2017501042A (ja) | 2017-01-12 |
| AU2014336415A1 (en) | 2016-02-18 |
| MX2016004716A (es) | 2016-07-18 |
| BR112016003299A2 (enExample) | 2017-08-01 |
| ZA201601254B (en) | 2019-04-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |
Effective date: 20191004 |