OPTICALLY CLEAR PRESSURE SENSITIVE ADHESIVES AND USES THEREOF

Optically clear adhesives (OCA) with UV blocking below 380nm are described. The OCA comprise a UV blocking package of UV absorbers and hindered amine light stabilizers. The UV blocking package is suitable for a variety of OCA, including PIB-based OCA, styrenic block copolymer-based OCA, silicone-bas...

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Bibliographische Detailangaben
Hauptverfasser:	LIU Yuxia, SHAH Geetanjaliben
Format:	Patent
Sprache:	eng ; spa
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DYES MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL ORGANIC MACROMOLECULAR COMPOUNDS PAINTS POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS USE OF MATERIALS AS ADHESIVES
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Beschreibung
Zusammenfassung:	Optically clear adhesives (OCA) with UV blocking below 380nm are described. The OCA comprise a UV blocking package of UV absorbers and hindered amine light stabilizers. The UV blocking package is suitable for a variety of OCA, including PIB-based OCA, styrenic block copolymer-based OCA, silicone-based OCA, or acrylic-based OCA. The OCA with UV blocking in the invention are particularly suitable as laminating films, tapes or encapsulants for adhering display electronic devices, e.g., LCD displays, LED displays, flexible and foldable displays, and touch screens. Se describen adhesivos ópticamente transparentes (OCA) con bloqueo de UV por debajo de 380 nm. El OCA comprende un paquete de bloqueo de UV de absorbentes de UV y estabilizadores de luz de amina impedida. El paquete de bloqueo de UV es adecuado para una variedad de OCA, incluyendo OCA a base de PIB, OCA a base de copolímero de bloque estirénico, OCA a base de silicón u OCA a base de acrílico. Los OCA con bloqueo de UV en la invención son particularmente adecuados como películas laminadas, cintas o encapsulantes para adherir dispositivos electrónicos de visualización, por ejemplo, pantallas LCD, pantallas LED, pantallas flexibles y plegables, y pantallas táctiles.