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<p>This study develops a method for selectively laminating decorative and functional layers onto complex-shaped glass surfaces using a film-transfer technique. In this approach, a film coated with a thin layer is molded to the glass surface, and the desired layer is subsequently transferred by peeling off the film. This method was evaluated by examining the lamination of a specially designed adhesive layer onto a glass substrate curved in three axes, confirming successful bonding without damage. Selective lamination without masking requires precise design of the printed shapes on the film. Finite element analysis was utilized to predict the positions of the transferred areas, with these predictions informed by dynamic friction coefficients at each contact surface. By integrating actual measured values of these coefficients into the predictions, the decorative layer shapes on the film were corrected. The transferred decorative layer onto a triaxially curved glass achieved a maximum shape error of 3.18&#xa0;mm across a width of 207.1&#xa0;mm, demonstrating the effectiveness of the proposed method.</p> Graphical abstract <p></p>

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Transfer decoration technique on glass curved in three-axis direction: Selective placement of decoration layers by reverse prediction

  • 期刊论文

  • 发表日期：

    2026年1月27日

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  • Yoshihiro Maki,
  • Junichi Kakuta,
  • Kenji Arata,
  • Takehiro Mitsuda,
  • Yu Sekiguchi,
  • Chiaki Sato

摘要

This study develops a method for selectively laminating decorative and functional layers onto complex-shaped glass surfaces using a film-transfer technique. In this approach, a film coated with a thin layer is molded to the glass surface, and the desired layer is subsequently transferred by peeling off the film. This method was evaluated by examining the lamination of a specially designed adhesive layer onto a glass substrate curved in three axes, confirming successful bonding without damage. Selective lamination without masking requires precise design of the printed shapes on the film. Finite element analysis was utilized to predict the positions of the transferred areas, with these predictions informed by dynamic friction coefficients at each contact surface. By integrating actual measured values of these coefficients into the predictions, the decorative layer shapes on the film were corrected. The transferred decorative layer onto a triaxially curved glass achieved a maximum shape error of 3.18 mm across a width of 207.1 mm, demonstrating the effectiveness of the proposed method.

Graphical abstract