CA3221708A1 - Optical effect layers comprising magnetic or magnetizable pigment particles and methods for producing said optical effect layers - Google Patents

Optical effect layers comprising magnetic or magnetizable pigment particles and methods for producing said optical effect layers Download PDF

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Publication number
CA3221708A1
CA3221708A1 CA3221708A CA3221708A CA3221708A1 CA 3221708 A1 CA3221708 A1 CA 3221708A1 CA 3221708 A CA3221708 A CA 3221708A CA 3221708 A CA3221708 A CA 3221708A CA 3221708 A1 CA3221708 A1 CA 3221708A1
Authority
CA
Canada
Prior art keywords
coating layer
magnetic
pigment particles
platelet
magnetizable pigment
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.)
Pending
Application number
CA3221708A
Other languages
English (en)
French (fr)
Inventor
Evgeny LOGINOV
Andrea Callegari
Raynald Demange
Christophe BAUDRAZ
Dominique Favre
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SICPA Holding SA
Original Assignee
SICPA Holding SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SICPA Holding SA filed Critical SICPA Holding SA
Publication of CA3221708A1 publication Critical patent/CA3221708A1/en
Pending legal-status Critical Current

Links

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
    • 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
    • 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
    • B05D3/061—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 using U.V.
    • B05D3/065—After-treatment
    • B05D3/067—Curing or cross-linking the coating
    • 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
    • B05D3/20—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 magnetic fields
    • B05D3/207—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 magnetic fields post-treatment by magnetic fields
    • 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
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/50—Multilayers
    • B05D7/52—Two layers
    • B05D7/53—Base coat plus clear coat type
    • B05D7/536—Base coat plus clear coat type each layer being cured, at least partially, separately
    • 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
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/50—Multilayers
    • B05D7/52—Two layers
    • B05D7/54—No clear coat specified
    • B05D7/546—No clear coat specified each layer being cured, at least partially, separately
    • 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
    • B41M1/02—Letterpress printing, e.g. book printing
    • B41M1/04—Flexographic printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
    • B41M7/0072—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using mechanical wave energy, e.g. ultrasonics; using magnetic or electric fields, e.g. electric discharge, plasma
    • 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
    • B42D25/369—Magnetised or magnetisable materials
    • 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
    • C09D11/00—Inks
    • C09D11/02—Printing inks
    • C09D11/10—Printing inks based on artificial resins
    • C09D11/106—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C09D11/107—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from unsaturated acids or derivatives thereof
    • 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
    • C09D11/50—Sympathetic, colour changing or similar inks
    • 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
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/50—Multilayers
    • B05D7/52—Two layers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Plasma & Fusion (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Credit Cards Or The Like (AREA)
  • Printing Methods (AREA)
  • Paints Or Removers (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Laminated Bodies (AREA)
CA3221708A 2021-06-11 2022-06-03 Optical effect layers comprising magnetic or magnetizable pigment particles and methods for producing said optical effect layers Pending CA3221708A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP21178995 2021-06-11
EP21178995.3 2021-06-11
PCT/EP2022/065193 WO2022258521A1 (en) 2021-06-11 2022-06-03 Optical effect layers comprising magnetic or magnetizable pigment particles and methods for producing said optical effect layers

Publications (1)

Publication Number Publication Date
CA3221708A1 true CA3221708A1 (en) 2022-12-15

Family

ID=76796875

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3221708A Pending CA3221708A1 (en) 2021-06-11 2022-06-03 Optical effect layers comprising magnetic or magnetizable pigment particles and methods for producing said optical effect layers

Country Status (14)

Country Link
US (1) US20240270009A1 (enExample)
EP (1) EP4351803A1 (enExample)
JP (1) JP2024522162A (enExample)
KR (1) KR20240019318A (enExample)
CN (1) CN117460582A (enExample)
AR (1) AR126095A1 (enExample)
AU (1) AU2022289987A1 (enExample)
BR (1) BR112023025752A2 (enExample)
CA (1) CA3221708A1 (enExample)
CL (1) CL2023003636A1 (enExample)
CO (1) CO2024000047A2 (enExample)
DO (1) DOP2023000270A (enExample)
MX (1) MX2023014535A (enExample)
WO (1) WO2022258521A1 (enExample)

Family Cites Families (54)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2418479A (en) 1944-02-16 1947-04-08 Du Pont Process for orienting ferromagnetic flakes in paint films
US2570856A (en) 1947-03-25 1951-10-09 Du Pont Process for obtaining pigmented films
DE2006848A1 (en) 1970-02-14 1971-09-02 Magnetfabrik Bonn GmbH, vormals Gewerkschaft Windhorst, 5300 Bonn Bad Godesberg, Weilburger Lackfabrik, J Grebe, 6290 Weilburg Magnetic loaded varnish for prodn of pat-terns
US3676273A (en) 1970-07-30 1972-07-11 Du Pont Films containing superimposed curved configurations of magnetically orientated pigment
IT938725B (it) 1970-11-07 1973-02-10 Magnetfab Bonn Gmbh Procedimento e dispositivo per otte nere disegni in strati superficiali per mezzo di campi magnetici
US4838648A (en) 1988-05-03 1989-06-13 Optical Coating Laboratory, Inc. Thin film structure having magnetic and color shifting properties
AU631435B2 (en) 1989-06-27 1992-11-26 Nippon Paint Co., Ltd. Forming method of patterned coating
EP0556449B1 (en) 1992-02-21 1997-03-26 Hashimoto Forming Industry Co., Ltd. Painting with magnetically formed pattern and painted product with magnetically formed pattern
DE4419173A1 (de) 1994-06-01 1995-12-07 Basf Ag Magnetisierbare mehrfach beschichtete metallische Glanzpigmente
DE4439455A1 (de) 1994-11-04 1996-05-09 Basf Ag Verfahren zur Herstellung von dreidimensionale optische Effekte aufweisenden Beschichtungen
EP1273646A1 (de) 1997-09-02 2003-01-08 Basf Aktiengesellschaft Cholesterische Effektschichten und Verfahren zu deren Herstellung
WO1999011719A1 (de) 1997-09-02 1999-03-11 Basf Aktiengesellschaft Mehrschichtige cholesterische pigmente
US6103361A (en) 1997-09-08 2000-08-15 E. I. Du Pont De Nemours And Company Patterned release finish
DE19820225A1 (de) 1998-05-06 1999-11-11 Basf Ag Mehrschichtige cholesterische Pigmente
US7047883B2 (en) * 2002-07-15 2006-05-23 Jds Uniphase Corporation Method and apparatus for orienting magnetic flakes
US6739941B1 (en) 2000-07-20 2004-05-25 Planet Rascals Method and articles for providing education and support related to wildlife and wildlife conservation
EP1239307A1 (en) 2001-03-09 2002-09-11 Sicpa Holding S.A. Magnetic thin film interference device
US20020160194A1 (en) 2001-04-27 2002-10-31 Flex Products, Inc. Multi-layered magnetic pigments and foils
US6808806B2 (en) 2001-05-07 2004-10-26 Flex Products, Inc. Methods for producing imaged coated articles by using magnetic pigments
US7258900B2 (en) 2002-07-15 2007-08-21 Jds Uniphase Corporation Magnetic planarization of pigment flakes
US8025952B2 (en) 2002-09-13 2011-09-27 Jds Uniphase Corporation Printed magnetic ink overt security image
EP1493590A1 (en) 2003-07-03 2005-01-05 Sicpa Holding S.A. Method and means for producing a magnetically induced design in a coating containing magnetic particles
EP1669213A1 (en) 2004-12-09 2006-06-14 Sicpa Holding S.A. Security element having a viewing-angle dependent aspect
EA011494B1 (ru) 2004-12-16 2009-04-28 Сикпа Холдинг С.А. Холестерические монослои и монослойные пигменты с особыми свойствами, их производство и применение
US10343436B2 (en) * 2006-02-27 2019-07-09 Viavi Solutions Inc. Security device formed by printing with special effect inks
EP1854852A1 (en) * 2006-05-12 2007-11-14 Sicpa Holding S.A. Coating composition for producing magnetically induced images
CN101092529B (zh) * 2007-07-25 2010-07-21 沈阳市航达科技有限责任公司 超细片状磁性金属粉体构成的防伪标识单元及印制方法
JP5297939B2 (ja) 2008-08-18 2013-09-25 ジェイディーエス ユニフェイズ コーポレーション 磁性プレートレットの２軸アライメント
TWI487628B (zh) 2008-11-24 2015-06-11 Sicpa Holding Sa 於底塗層上磁性配向之印墨
DE102010041398A1 (de) * 2009-10-22 2011-04-28 Manroland Ag Einrichtung und Verfahren zum Beschichten
US9482726B2 (en) * 2010-03-03 2016-11-01 Snu R&Db Foundation Fabricating method of magnetic axis controlled structure
US20120001116A1 (en) 2010-06-30 2012-01-05 Jds Uniphase Corporation Magnetic multilayer pigment flake and coating composition
EP3170566B1 (en) 2010-12-27 2019-10-09 Viavi Solutions Inc. Method and apparatus for forming an image on a substrate
EP2484455B1 (en) * 2011-02-07 2014-12-24 Sicpa Holding Sa Device displaying a dynamic visual motion effect and method for producing same
AU2014280095A1 (en) * 2013-06-14 2015-12-17 Sicpa Holding Sa Permanent magnet assemblies for generating concave field lines and process for creating optical effect coating therewith (inverse rolling bar)
TWI641660B (zh) * 2013-08-05 2018-11-21 瑞士商西克帕控股有限公司 磁性或可磁化色料顆粒及光學效應層
WO2015086257A1 (en) 2013-12-13 2015-06-18 Sicpa Holding Sa Processes for producing effects layers
TW201605655A (zh) * 2014-07-29 2016-02-16 西克帕控股有限公司 用於由磁場產生裝置產生凹形磁力線所製成之光學效果層之場內硬化之方法
US20170305184A1 (en) 2014-11-27 2017-10-26 Sicpa Holdings Sa Devices and methods for orienting platelet-shaped magnetic or magnetizable pigment particles
TW201703879A (zh) * 2015-06-02 2017-02-01 西克帕控股有限公司 用於生產光學效應層之製程
DE102015214885A1 (de) 2015-08-04 2017-02-09 Ist Metz Gmbh UV-Bestrahlungsaggregat zur Strahlungshärtung
EP3178569A1 (en) * 2016-06-29 2017-06-14 Sicpa Holding Sa Processes and devices for producing optical effect layers using a photomask
KR102316915B1 (ko) 2016-07-29 2021-10-27 시크파 홀딩 에스에이 광학 효과층 제조 방법
CA3034898C (en) * 2016-08-31 2022-02-01 Viavi Solutions Inc. Orienting magnetically-orientable flakes
TWI773805B (zh) 2017-08-25 2022-08-11 瑞士商西克帕控股有限公司 用於產生包括經定向非球面扁球狀的磁性或可磁化顏料粒子的光學效果層的組件及進程
DE102017008919A1 (de) * 2017-09-22 2019-03-28 Giesecke+Devrient Currency Technology Gmbh Wertdokument und Verfahren zum Herstellen desselben
US10899930B2 (en) 2017-11-21 2021-01-26 Viavi Solutions Inc. Asymmetric pigment
CN109917626B (zh) * 2017-12-12 2022-04-05 株式会社爱睦悉缇 利用磁性油墨与磁力的图案形成方法及其夹具
CN112351881B (zh) 2018-06-29 2023-08-29 唯亚威通讯技术有限公司 包括反射颗粒的组合物
JP7490340B2 (ja) 2018-06-29 2024-05-27 ヴァイアヴィ・ソリューションズ・インコーポレイテッド 非対称層構造を有する光学デバイス
TWI829734B (zh) * 2018-09-10 2024-01-21 瑞士商西克帕控股有限公司 光學效應層、生產其之製程、及包含其之安全文件、裝飾元件及物件
PL3911450T3 (pl) 2019-01-15 2025-04-07 Sicpa Holding Sa Sposób wytwarzania optycznych warstw efektowych
TWI844619B (zh) 2019-02-28 2024-06-11 瑞士商西克帕控股有限公司 利用可攜式裝置來認證磁感應標記之方法
AR123351A1 (es) * 2020-09-02 2022-11-23 Sicpa Holding Sa Documentos o artículos de seguridad que comprenden capas de efecto óptico que comprenden partículas de pigmento magnéticas o magnetizables y métodos para producir dichas capas de efecto óptico

Also Published As

Publication number Publication date
MX2023014535A (es) 2024-01-31
CL2023003636A1 (es) 2024-05-24
EP4351803A1 (en) 2024-04-17
DOP2023000270A (es) 2024-04-15
WO2022258521A1 (en) 2022-12-15
CN117460582A (zh) 2024-01-26
JP2024522162A (ja) 2024-06-11
KR20240019318A (ko) 2024-02-14
AR126095A1 (es) 2023-09-13
BR112023025752A2 (pt) 2024-02-27
US20240270009A1 (en) 2024-08-15
TW202306797A (zh) 2023-02-16
CO2024000047A2 (es) 2024-01-25
AU2022289987A1 (en) 2024-01-18

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