ES2278008T5 - Composiciones que pueden marcarse por láser y procedimiento de formación de imágenes por láser. - Google Patents
Composiciones que pueden marcarse por láser y procedimiento de formación de imágenes por láser. Download PDFInfo
- Publication number
- ES2278008T5 ES2278008T5 ES02706945T ES02706945T ES2278008T5 ES 2278008 T5 ES2278008 T5 ES 2278008T5 ES 02706945 T ES02706945 T ES 02706945T ES 02706945 T ES02706945 T ES 02706945T ES 2278008 T5 ES2278008 T5 ES 2278008T5
- Authority
- ES
- Spain
- Prior art keywords
- laser
- aom
- binder
- substrate
- image
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 239000000203 mixture Substances 0.000 title claims description 15
- 238000000034 method Methods 0.000 title claims description 8
- 230000015572 biosynthetic process Effects 0.000 title description 2
- 239000011230 binding agent Substances 0.000 claims abstract description 13
- 238000000576 coating method Methods 0.000 claims abstract description 11
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims abstract description 9
- 239000004922 lacquer Substances 0.000 claims abstract description 8
- 239000011248 coating agent Substances 0.000 claims abstract description 6
- 229920000642 polymer Polymers 0.000 claims description 12
- 239000000758 substrate Substances 0.000 claims description 11
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 6
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical group [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 4
- 239000000049 pigment Substances 0.000 claims description 4
- 239000000454 talc Substances 0.000 claims description 3
- 229910052623 talc Inorganic materials 0.000 claims description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 2
- 235000010216 calcium carbonate Nutrition 0.000 claims description 2
- 239000012463 white pigment Substances 0.000 claims description 2
- 238000000807 solvent casting Methods 0.000 claims 1
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- 239000000463 material Substances 0.000 description 7
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- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
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- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical compound OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 description 2
- 229930040373 Paraformaldehyde Natural products 0.000 description 2
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- 238000010521 absorption reaction Methods 0.000 description 2
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 2
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 2
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
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- 239000004700 high-density polyethylene Substances 0.000 description 2
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- LIZLYZVAYZQVPG-UHFFFAOYSA-N (3-bromo-2-fluorophenyl)methanol Chemical compound OCC1=CC=CC(Br)=C1F LIZLYZVAYZQVPG-UHFFFAOYSA-N 0.000 description 1
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 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
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical group C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920008347 Cellulose acetate propionate Polymers 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
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- 239000001856 Ethyl cellulose Substances 0.000 description 1
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 description 1
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- 239000000020 Nitrocellulose Substances 0.000 description 1
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- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
- 239000004433 Thermoplastic polyurethane Substances 0.000 description 1
- 238000003848 UV Light-Curing Methods 0.000 description 1
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 description 1
- 150000001241 acetals Chemical class 0.000 description 1
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 description 1
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- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 210000003050 axon Anatomy 0.000 description 1
- 229960003328 benzoyl peroxide Drugs 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 235000010980 cellulose Nutrition 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 235000019219 chocolate Nutrition 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000001723 curing Methods 0.000 description 1
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 125000005909 ethyl alcohol group Chemical group 0.000 description 1
- 235000019325 ethyl cellulose Nutrition 0.000 description 1
- 229920001249 ethyl cellulose Polymers 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 229920000578 graft copolymer Polymers 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000001863 hydroxypropyl cellulose Substances 0.000 description 1
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920001220 nitrocellulos Polymers 0.000 description 1
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- 230000003647 oxidation Effects 0.000 description 1
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- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920001643 poly(ether ketone) Polymers 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920005596 polymer binder Polymers 0.000 description 1
- 239000002491 polymer binding agent Substances 0.000 description 1
- 229920000193 polymethacrylate Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920005629 polypropylene homopolymer Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- ISXSCDLOGDJUNJ-UHFFFAOYSA-N tert-butyl prop-2-enoate Chemical compound CC(C)(C)OC(=O)C=C ISXSCDLOGDJUNJ-UHFFFAOYSA-N 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 229920001567 vinyl ester resin Polymers 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
Classifications
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- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/06—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
- B05D5/06—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain multicolour or other optical effects
- B05D5/065—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain multicolour or other optical effects having colour interferences or colour shifts or opalescent looking, flip-flop, two tones
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
- B41M5/267—Marking of plastic artifacts, e.g. with laser
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
- C08L25/02—Homopolymers or copolymers of hydrocarbons
- C08L25/04—Homopolymers or copolymers of styrene
- C08L25/06—Polystyrene
-
- 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
- C09D101/00—Coating compositions based on cellulose, modified cellulose, or cellulose derivatives
- C09D101/08—Cellulose derivatives
- C09D101/16—Esters of inorganic acids
- C09D101/18—Cellulose nitrate
-
- 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
- C09D101/00—Coating compositions based on cellulose, modified cellulose, or cellulose derivatives
- C09D101/08—Cellulose derivatives
- C09D101/26—Cellulose ethers
- C09D101/28—Alkyl ethers
-
- 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
- C09D101/00—Coating compositions based on cellulose, modified cellulose, or cellulose derivatives
- C09D101/08—Cellulose derivatives
- C09D101/26—Cellulose ethers
- C09D101/28—Alkyl ethers
- C09D101/284—Alkyl ethers with hydroxylated hydrocarbon radicals
-
- 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
- C09D101/00—Coating compositions based on cellulose, modified cellulose, or cellulose derivatives
- C09D101/08—Cellulose derivatives
- C09D101/26—Cellulose ethers
- C09D101/28—Alkyl ethers
- C09D101/286—Alkyl ethers substituted with acid radicals
-
- 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
- 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
- C09D11/037—Printing inks characterised by features other than the chemical nature of the binder characterised by the pigment
-
- 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
- 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
- C09D127/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers
- C09D127/02—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D127/04—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C09D127/06—Homopolymers or copolymers of vinyl chloride
-
- 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
- C09D129/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Coating compositions based on hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Coating compositions based on derivatives of such polymers
- C09D129/02—Homopolymers or copolymers of unsaturated alcohols
- C09D129/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
-
- 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
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Abstract
Laca de revestimiento o tinta de impresión transparente, teñida o pigmentada que comprende un aglutinante y octamolibdato de amonio.
Description
La presente invención se refiere a composiciones que pueden marcarse por láser y procedimientos de formación de imágenes por láser.
Se han realizado varias propuestas, con el fin de conseguir una impresión eficaz sobre un sustrato, provocando un cambio de color en el sustrato sobre el que va a aparecer la impresión. Se han propuesto varios pigmentos, que pueden utilizarse para marcar un sustrato en la aplicación de energía láser. Algunas de estas propuestas pueden encontrarse, por ejemplo, en los documentos WO-A-00/43456, JP-A-11001065, EP-A-0522370, EP-A-0797511, USA-5053440, US-A-5350792 (una composición de moldeo de plásticos que comprende un polioximetileno y carbón animal), US-A-5928780, US-A-6017972 y US-A-6019831. Los documentos US-A-5489639 y US-A-5884079 dan a conocer que el hidroxifosfato de cobre es un material que puede marcarse por láser.
El octamolibdato de amonio, que presenta la formula (NH4)4Mo8O26 y que se abrevia en la presente memoria como AOM, es un material fácilmente disponible que presenta propiedades ignífugas. Para este propósito, se ha formulado con polímeros tal como poli(cloruro de vinilo) (PVC). Por ejemplo, los cables que contienen PVC pueden contener AOM como un agente supresor del humo.
Se ha encontrado que el AOM en combinación con aglutinantes de polímero absorbe a la longitud de onda de la luz de láser de CO2 (10.600 nm) y experimenta un cambio de color debido a un cambio en el estado de oxidación, pero no se ve afectado por la luz ultravioleta (utilizada comúnmente para el curado de polímeros) o por las temperaturas, normalmente de alrededor de 200-300ºC, utilizadas en la extrusión. Así, el AOM es realmente selectivo para láser, y proporciona un material muy adecuado para utilizarse en tintas previstas para aplicarse a superficies que puede requerirse que se sometan a un tratamiento térmico o para la incorporación en extrusiones de polímeros, y se marcan mediante la aplicación de luz láser.
Según la presente invención, una laca de revestimiento o tinta de impresión transparente, teñida o pigmentada comprende un aglutinante y AOM.
Aún otro aspecto de la invención es un procedimiento para proporcionar una imagen sobre un sustrato, que comprende aplicar al sustrato de una composición que puede marcarse por láser que comprende un aglutinante y AOM, seguido por una irradiación cómo una imagen con un láser, mediante el cual el AOM experimenta un cambio de color.
Un aspecto adicional de la presente invención, para proporcionar una imagen sobre un sustrato, comprende extruir en fundido una composición que comprende un aglutinante y AOM, seguido de una irradiación como una imagen con un láser, mediante el cual AOM experimenta un cambio de color.
El AOM es adecuado para su utilización en esta invención porque está fácilmente disponible, y es selectivo para un láser de CO2 robusto y de baja potencia que funciona a aproximadamente 10.600 nm.
Una formulación de tinta que puede utilizarse en la invención puede presentar base acuosa, base de disolvente, o curable por UV, y puede ser una disolución o una dispersión. La formulación puede incluir un componente que puede cargarse, para su utilización en una impresora de chorro de tinta.
El aglutinante y el AOM se mezclan íntimamente con el disolvente que puede seleccionarse de aquellos que se utilizan normalmente para tintas y lacas, por ejemplo, agua, etanol, acetato de etilo, alcohol isopropílico, hidrocarburos, etc. Los componentes pueden estar presentes en disolución y/o dispersión. La cantidad de AOM en la tinta es normalmente del 1% al 90% en peso. El aglutinante es normalmente polimérico, y puede seleccionarse de polímeros comercialmente disponibles incluyendo acrílicos, celulosas, PVOH, poliésteres, etc. El aglutinante incluye preferentemente un grupo lábil tal como hidroxilo, acetoxilo, éter acetal o halógeno, y éste presenta la función de experimentar una reacción de eliminación, para dar una entidad formadora de color (véase también el documento WO 02/068205).
El AOM puede incorporarse en varios sistemas de polímeros y molerse, utilizando un molino de bolas, hasta un tamaño de partícula deseado, sin ninguna dificultad técnica. Ejemplos de sistemas de polímeros en los que el AOM se ha incorporado satisfactoriamente y se ha molido incluyen disolución de nitrocelulosa en alcohol/acetato de etilo, disolución de acetato propionato de celulosa en alcohol/acetato de etilo, disolución de polivinilbutiral en alcohol/acetato de etilo, resina de poliuretano con base de disolvente, resina epoxídica con base de disolvente, resina de poliéster con base de disolvente, resina acrílica con base acuosa, resina de poliéster con base acuosa, resina de poliuretano con base acuosa, monómeros y oligómeros curables con luz ultravioleta sin disolvente, poliamidas con base de disolvente, poliimidas con base de disolvente, poliamidas con base acuosa, poliimidas con base acuosa, revestimientos y lacas de epoxi/vinil/poliéster con base de disolvente, y resinas de siloxano.
Pueden incorporarse pigmentos orgánicos e inorgánicos a las tintas/revestimientos de AOM sin ningún efecto adverso en la marcabilidad por láser de las tintas/revestimientos de AOM. Además, las tintas/revestimientos de AOM que contienen los pigmentos orgánicos e inorgánicos pueden molerse hasta el tamaño de partícula deseado sin dificultad o efecto adverso en marcabilidad por láser de las tintas/revestimientos de AOM.
El componente AOM puede incorporarse alternativamente en fundido en polímeros extrudibles, o puede incorporarse a formulaciones de monómeros curables por UV. Una película o laminado de capas que incluye un componente que puede marcarse por láser proporciona un producto a prueba de falsificaciones. Polímetros extrudibles que pueden utilizarse en la invención incluyen nylon, poliésteres, poliamida, policarbonato, poliacrilato, polimetacrilato, polímeros de injerto de ABS (acrilonitrilo butadieno estireno), poliolefinas tales como polietileno o polipropileno, poliestireno, poli(cloruro de vinilo), polioximetileno, poliimida, poliéteres y polietercetonas elastómeros termoplásticos, poliuretano termoplástico que pueden utilizarse individualmente o como una mezcla de varios polímeros, son adecuados como matriz polimérica. La cantidad de AOM que se incorpora es normalmente del 0,1% al 5% en peso del extrudido.
El AOM o análogo del mimo suele ser selectivo por láser, lo que quiere decir que absorbe energía a una longitud de onda, por ejemplo, de ~1.064 nm o ~10.600 nm, para las que puede elegirse un láser en consecuencia, de tal manera que experimenta un cambio de color. Normalmente, el cambio de color puede ser el resultado de un cambio en el estado de valencia y/o a la formación de productos no estequiométricos, aunque también puede existir algo de reacción con el aglutinante. El láser que se utiliza puede funcionar tanto en el modo de matriz de puntos pulsado como el modo de trazado, de onda continua.
El sustrato puede ser un tablero, por ejemplo, de cartón. El envoltorio que puede utilizarse en la invención puede estar alternativamente en forma de película polimérica, tal como propileno o polietileno, y que puede laminarse y utilizarse, por ejemplo para envolver chocolate. Si se utiliza un material de envoltura de múltiples capas, la invención puede aplicarse a cualquier capa en la que la tinta esté presente.
Cualquier pigmento que se utiliza en la invención puede ser convencional. Puede preferirse un pigmento blanco, que proporciona no solo contraste con, por ejemplo, códigos de barras negros, sino también opacidad. Pueden seleccionarse otros colores, según se desee. Pigmentos típicos incluyen CaCO3, ZnO, TiO2 y talco.
Una formulación de la invención también puede incluir componentes convencionales que están presentes con el fin de proporcionar la imagen. Normalmente, incluyen un material que absorbe la luz láser incidente; este material puede cambiar de color por si mismo con la absorción, o puede reaccionar con otro material para proporcionar un cambio de color. Reactivos típicos incluyen fenoles, resinas fenólicas, ácidos carboxílicos junto con un formador de color, por ejemplo, lactona violeta cristal. Agentes de absorción típicos incluyen arcillas, micas, TiO2, carbonatos, óxidos, talco, silicatos y alumnosilicatos.
Para que la invención pueda entenderse más fácilmente, se hace referencia a los siguientes ejemplos, que pretenden ilustrar la invención, pero no limitar su alcance.
Ejemplos 1 a 7
Se formularon tintas con base de disolvente, acuosa y de curado por UV con octamolibdato de amonio (OAM). Se fabricaron lacas en las proporciones que se muestran, que se aplicaron como revestimiento sobre cartón y se secaron. Después se marcaron utilizando un láser de CO2 de barrido, con un diámetro de haz de 0,3 mm y una velocidad de barrido de 1.000 mm·s-1. Las cantidades utilizadas, y los resultados se muestran en la tabla 1.
Ejemplo 8
Se combinaron 197 g de homopolímero de polipropileno con 3 g de una mezcla 4:1 de AOM:Iriodin 805, mezclándolos bien con un Optiblender 2000 (Moulinex). Se preparó la combinación y se granuló en una prensa extrusora FOS axon 11502 a temperaturas de 190ºC, 200ºC, 210ºC, 220ºC y 225ºC en las cinco zonas respectivas. El polímero moldeado pudo marcarse con un láser de CO2.
Ejemplos 9 y 10
Se siguió el procedimiento del ejemplo 8, pero utilizando HDPE (polietileno de alta densidad) y HIPS (poliestireno de alto impacto), respectivamente. Los polímeros moldeados pudieron marcarse satisfactoriamente con láser de Nd5 YAG y CO2, respectivamente.
Ejemplo 11
Se formuló una laca, que comprende:
10 Poli(cloruro de vinilo) 30% Octamolibdato de amonio 15% Alcohol etílico resto
15 Se aplicó como revestimiento sobre una lámina de aluminio, utilizando una barra Mayer, y se secó. Entonces se expuso el revestimiento semiopaco a un haz de láser de CO2 de 0,3 mm de diámetro, que barría a 1.000 mm/segundo con una potencia de salida de 3 W, para producir una imagen negra.
5
TABLA 1
- EJEMPLO
- AGLUTINANTE CANTIDAD(g) ADITIVO CANTIDAD(g) DISOLVENTE CANTIDAD(g) MARCADO POR LÁSER
- POTENCIA (w)
- COLOR DE LA IMAGEN
- 1
- Poli(alcohol vinílico)(Gohsenol GH17) 1,1 AOM 1 Agua 9 3 Negro
- 2
- Alcotex 395B (26%) 12 AOM 2 Metanol/Acetatode metilo - 3 Negro
- 3
- Etilcelulosa 2 AOM 2 Etanol 15 3 Negro
- 4
- Klucel(hidroxipropilcelulosa) 2 AOM 2 Agua 15 3 Negro
- 5
- Mowital B30H 2 AOM 2 Etanol 10 3 Negro
- 6
- PVC Vycar 577E 15 AOM 3 Agua 9 3 Negro
- 7
- Ebecryl 657Ebecryl 1608 3,53,5 AOM 3 Irgacure 651(fotoiniciador) 0,7 3 Negro
Se obtuvo Gohsenol de CIBA Speciality ChemicalsSe obtuvo Alcotex de Harlow ChemicalsSe obtuvo Klucel de HerculesSe obtuvo Mowital de HoechstSe obtuvo Vycar de B.F. GoodrichSe obtuvo Ebecryl de UCB Chemicals.
Claims (9)
- REIVINDICACIONES
- 1.
- Laca de revestimiento o tinta de impresión transparente, teñida o pigmentada que comprende un aglutinante y octamolibdato de amonio.
-
- 2.
- Producto según la reivindicación 1, en el que el aglutinante comprende un grupo lábil.
-
- 3.
- Producto según una u otra de las reivindicaciones anteriores, en el que el aglutinante es un polímero.
-
- 4.
- Producto según cualquiera de las reivindicaciones anteriores, que comprende asimismo un pigmento blanco.
-
- 5.
- Producto según la reivindicación 4, en el que el pigmento es CaCO3, ZnO, TiO2 o talco.
-
- 6.
- Procedimiento para proporcionar una imagen sobre un sustrato, que comprende aplicar al sustrato una composición que puede marcarse por láser que comprende un aglutinante y octamolibdato de amonio, seguido de irradiación como una imagen con un láser, experimentando el octamolibdato de amonio un cambio de color.
-
- 7.
- Procedimiento según la reivindicación 6, en el que la composición es una tinta o laca según la reivindicación 1.
-
- 8.
- Procedimiento según la reivindicación 6, en el que la composición se aplica mediante colada de disolvente, para formar una película sobre el sustrato.
-
- 9.
- Procedimiento para proporcionar una imagen sobre un sustrato, que comprende extruir en fundido una composición que comprende un aglutinante y octamolibdato de amonio, seguido de una irradiación como una imagen con un láser, experimentando el octamolibdato de amonio un cambio de color.
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ES06000946.1T Active ES2327662T7 (es) | 2001-03-16 | 2002-03-18 | Procedimiento de obtención de imágenes por láser |
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US20070148393A1 (en) * | 2003-08-05 | 2007-06-28 | Sellars Neil G | Reactive labels and methods of making and using the same |
US20070065619A1 (en) * | 2003-08-05 | 2007-03-22 | Sellars Neil G | Reactive labels and methods of making and using the same |
US20100035010A9 (en) * | 1995-06-12 | 2010-02-11 | Sellars Neil G | Labels and methods of making same |
JP3913680B2 (ja) | 2001-03-16 | 2007-05-09 | データレイズ・リミテッド | レーザマーキング用組成物 |
US8048605B2 (en) * | 2001-03-16 | 2011-11-01 | Datalase Ltd | Laser-markable compositions |
GB0226597D0 (en) † | 2002-11-14 | 2002-12-24 | Sun Chemical Bv | Laser marking process |
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2006
- 2006-02-28 US US11/364,407 patent/US8753791B2/en not_active Expired - Lifetime
- 2006-11-30 JP JP2006324252A patent/JP2007069620A/ja active Pending
-
2007
- 2007-03-16 CY CY20071100377T patent/CY1106395T1/el unknown
-
2014
- 2014-05-06 US US14/270,798 patent/US8936901B2/en not_active Expired - Fee Related
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