laminated body

TW202635483APending Publication Date: 2026-09-01NITTO DENKO CORP
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Patent Information

Application Number
TW114146776
Authority / Receiving Office
TW · TW
Patent Type
Applications
Current Assignee / Owner
Priority Date
2025-11-27
Filing Date
2025-11-28
Publication Date
2026-09-01

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Abstract

This invention provides a laminate that exhibits high adhesion to alkali-free glass or chemically strengthened glass, even under humid and hot conditions, and is less prone to peeling. The laminate 1 comprises an adhesive layer 2 and an adhesive layer 3 laminated on at least one side of the adhesive layer 2. The total light transmittance of the laminate 1 is 85% or higher. The adhesive layer 3 comprises a polymer with a molecular weight of 2000 to 60000. The glass transition temperature Tg1 of the adhesive layer 2 and the glass transition temperature Tg2 of the adhesive layer 3 satisfy the following formula (1): Tg2 - Tg1 ≥ 20°C (1).
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