PHOTO-CURABLE ADHESIVE COMPOSITION, PREPARATION AND USE THEREOF

The present invention provides a photo-curable adhesive composition for display panel assembly comprising a) at least one polyurethane acrylate having Tg value from −70 to 20° C.; b) at least one (meth)acrylate monomer; c) at least one chain transfer agent; d) at least two thixotropy agents, wherein...

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Bibliographische Detailangaben
Hauptverfasser:	Lu Daoqiang, Yuan Yinxiao, Li Minrui, Chen Chunfu, Wang Hongyu
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES CHEMISTRY DYES LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL PAINTS PERFORMING OPERATIONS POLISHES TRANSPORTING USE OF MATERIALS AS ADHESIVES
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Beschreibung
Zusammenfassung:	The present invention provides a photo-curable adhesive composition for display panel assembly comprising a) at least one polyurethane acrylate having Tg value from −70 to 20° C.; b) at least one (meth)acrylate monomer; c) at least one chain transfer agent; d) at least two thixotropy agents, wherein first thixotropy agent is selected from the group consisting of hydrophobic fumed silica, hydrophilic fumed silica and mixtures thereof and second thixotropy agent is selected from the group consisting of modified urea, polyhydroxycarboxylic acid esters and mixtures thereof; e) at least one photoinitiator; f) at least one plasticizer; and g) at least one defoamer. The photo-curable adhesive composition according to the present invention can be used in bonding two transparent substrates together or in bonding one transparent substrate and one opaque substrate together. Furthermore, the composition according to the present invention can be used in a process of making an optical assembly.