EP4338854A3 - Verfahren zur herstellung von schichten mit optischen effekten - Google Patents

Verfahren zur herstellung von schichten mit optischen effekten Download PDF

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Publication number
EP4338854A3
EP4338854A3 EP23218609.8A EP23218609A EP4338854A3 EP 4338854 A3 EP4338854 A3 EP 4338854A3 EP 23218609 A EP23218609 A EP 23218609A EP 4338854 A3 EP4338854 A3 EP 4338854A3
Authority
EP
European Patent Office
Prior art keywords
producing optical
processes
optical effects
motif
effects layers
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.)
Withdrawn
Application number
EP23218609.8A
Other languages
English (en)
French (fr)
Other versions
EP4338854A2 (de
Inventor
Nathalie Benninger
Gisèle BAUDIN
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
Priority to EP23218609.8A priority Critical patent/EP4338854A3/de
Publication of EP4338854A2 publication Critical patent/EP4338854A2/de
Priority to CN202480079857.9A priority patent/CN122422063A/zh
Priority to PCT/EP2024/083920 priority patent/WO2025131613A1/en
Priority to AU2024408518A priority patent/AU2024408518A1/en
Publication of EP4338854A3 publication Critical patent/EP4338854A3/de
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • B05D3/20—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
    • B05D2252/00—Sheets
    • B05D2252/10—Applying the material on both sides
    • 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
    • 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
    • B05D7/56—Three layers or more

Landscapes

  • Printing Methods (AREA)
  • Credit Cards Or The Like (AREA)
EP23218609.8A 2023-12-20 2023-12-20 Verfahren zur herstellung von schichten mit optischen effekten Withdrawn EP4338854A3 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP23218609.8A EP4338854A3 (de) 2023-12-20 2023-12-20 Verfahren zur herstellung von schichten mit optischen effekten
CN202480079857.9A CN122422063A (zh) 2023-12-20 2024-11-28 用于产生光学效应层的方法
PCT/EP2024/083920 WO2025131613A1 (en) 2023-12-20 2024-11-28 Processes for producing optical effects layers
AU2024408518A AU2024408518A1 (en) 2023-12-20 2024-11-28 Processes for producing optical effects layers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP23218609.8A EP4338854A3 (de) 2023-12-20 2023-12-20 Verfahren zur herstellung von schichten mit optischen effekten

Publications (2)

Publication Number Publication Date
EP4338854A2 EP4338854A2 (de) 2024-03-20
EP4338854A3 true EP4338854A3 (de) 2024-12-25

Family

ID=89224203

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23218609.8A Withdrawn EP4338854A3 (de) 2023-12-20 2023-12-20 Verfahren zur herstellung von schichten mit optischen effekten

Country Status (4)

Country Link
EP (1) EP4338854A3 (de)
CN (1) CN122422063A (de)
AU (1) AU2024408518A1 (de)
WO (1) WO2025131613A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025228771A1 (en) * 2024-04-30 2025-11-06 Sicpa Holding Sa Processes for producing optical effect layers
TW202612915A (zh) * 2024-09-06 2026-04-01 瑞士商西克帕控股有限公司 用於生產包含取向非球形磁性或可磁化顏料顆粒的光學效應層的磁性裝置、磁性設備以及製程

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012104098A1 (en) * 2011-02-04 2012-08-09 Sicpa Holding Sa Device displaying a dynamic visual motion effect and method for producing same
WO2022049024A1 (en) * 2020-09-02 2022-03-10 Sicpa Holding Sa Security documents or articles comprising optical effect layers comprising magnetic or magnetizable pigment particles and methods for producing said optical effect layers

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Patent Citations (2)

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Publication number Priority date Publication date Assignee Title
WO2012104098A1 (en) * 2011-02-04 2012-08-09 Sicpa Holding Sa Device displaying a dynamic visual motion effect and method for producing same
WO2022049024A1 (en) * 2020-09-02 2022-03-10 Sicpa Holding Sa Security documents or articles comprising optical effect layers comprising magnetic or magnetizable pigment particles and methods for producing said optical effect layers

Also Published As

Publication number Publication date
CN122422063A (zh) 2026-07-17
WO2025131613A1 (en) 2025-06-26
AU2024408518A1 (en) 2026-07-30
EP4338854A2 (de) 2024-03-20

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