ADHESIVE FOR OPTICAL FILM, ADHESIVE LAYER, OPTICAL MEMBER AND IMAGE DISPLAY DEVICE

To provide an adhesive for an optical film, which gives improved durability in a severe environment (such as high temperature, high humidity and heat shock) even when used for a single-side protected polarizing plate, which can suppress both of warpage and dent, and which has excellent reworkability...

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Bibliographische Detailangaben
1. Verfasser:	INUI KUNIHIRO
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES CHEMISTRY DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING DYES FREQUENCY-CHANGING METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-LINEAR OPTICS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICAL LOGIC ELEMENTS OPTICS PAINTS PHYSICS POLISHES TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF USE OF MATERIALS AS ADHESIVES
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Beschreibung
Zusammenfassung:	To provide an adhesive for an optical film, which gives improved durability in a severe environment (such as high temperature, high humidity and heat shock) even when used for a single-side protected polarizing plate, which can suppress both of warpage and dent, and which has excellent reworkability (processability).SOLUTION: The adhesive for an optical film comprises a polymer component (A) having a hydroxyl group and a silane coupling agent (B) having a plurality of isocyanate groups. The silane coupling agent (B) is a compound containing an isocyanurate skeleton having a plurality of isocyanate groups of a specific structure.SELECTED DRAWING: None 【課題】片面保護偏光板に用いた場合であっても、過酷な環境下（高温、高湿、ヒートショック）における耐久性を向上させるとともに、反りおよび打痕の両方を抑制でき、さらにリワーク性（加工性）にも優れた光学フィルム用粘着剤を提供する。【解決手段】水酸基を有するポリマー成分（Ａ）と、イソシアネート基を複数有するシランカップリング剤（Ｂ）とを含む光学フィルム用粘着剤であって、前記シランカップリング剤（Ｂ）が、特定の構造のイソシアネート基を複数有するイソシアヌレート骨格を含有する化合物であることを特徴とする光学フィルム用粘着剤。【選択図】なし