ADHESIVE SHEET

ADHESIVE SHEET

To provide an adhesive sheet of good design that has wavelength selectivity and blocks visible light but allows passage of infrared light.SOLUTION: The present invention relates to an adhesive sheet that contains a base polymer and a pigment, and has a light transmittance of 25% or less at a wavelen...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MINOURA KAZUKI, NISHIWAKI MASATAKA, MUSASHIJIMA YASUSHI
Format: Patent
Sprache:eng ; jpn
Schlagworte:
ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE
ADHESIVES
CHEMISTRY
DYES
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL
PAINTS
POLISHES
USE OF MATERIALS AS ADHESIVES
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Beschreibung
Zusammenfassung:To provide an adhesive sheet of good design that has wavelength selectivity and blocks visible light but allows passage of infrared light.SOLUTION: The present invention relates to an adhesive sheet that contains a base polymer and a pigment, and has a light transmittance of 25% or less at a wavelength of from 380 to 500 nm, while having a light transmittance of 60% or more at a wavelength of from 800 to 2,500 nm. In the adhesive sheet, as defined by the L*a*b* color space, L* is 20 or less, a* is -10 to 40, and b* is -20 to 30.SELECTED DRAWING: None 【課題】本発明は、意匠性に優れ、かつ、可視光は遮光し赤外光は透過する、波長選択性を有する粘着シートを提供することを目的とする。【解決手段】本発明は、ベースポリマーおよび顔料を含む粘着剤層を備える、粘着シートであって、３８０〜５００ｎｍの波長の光透過率が２５％以下であり、８００〜２５００ｎｍの波長の光透過率が６０％以上であり、Ｌ＊ａ＊ｂ＊表色系で規定されるＬ＊が２０以下、ａ＊が−１０以上４０以下、ｂ＊が−２０以上３０以下である、粘着シートに関する。【選択図】なし