silicone composition

Abstract

The present invention relates to a silicone composition comprising an organopolysiloxane mixture and a platinum catalyst, wherein the organopolysiloxane mixture comprises in its molecule a unit having at least one alkenyl group and at least one SiO 4 / 2 unit of the first organopolysiloxane (a), the second organopolysiloxane (b) having at least two alkenyl groups in its molecule, and the organohydrogenpolysiloxane (c), wherein the organopolysiloxane The hydrogen polysiloxane (c) comprises a highly reactive organohydrogenpolysiloxane and a linear organohydrogenpolysiloxane, wherein the highly reactive organohydrogenpolysiloxane comprises a first organohydrogenpolysiloxane ( c-1) or the second organohydrogenpolysiloxane (c-2), the first organohydrogenpolysiloxane (c-1) includes in its molecule a hydrogen group having a direct bond with at least one silicon unit of clique and at least one SiO 4 / 2 unit, the second organohydrogenpolysiloxane (c-2) comprises in its molecule a hydrogen group directly bonded to at least two silicon and a hydrogen group adjacent to the above-mentioned silicon group with an intervening oxygen atom at least one aryl or haloalkyl group to which a silicon atom is directly bonded, and the linear organohydrogenpolysiloxane comprises a third organohydrogenpolysiloxane (c-3), the third organohydrogenpolysiloxane (c-3) includes in its molecule a hydrogen group directly bonded to at least one silicon.

Description

technical field [0001] The present invention relates to silicone compositions. Background technique [0002] With the advent of the recent information age, image display devices such as liquid crystal displays (LCDs), organic light emitting diodes (OLEDs), and tablet terminals (smartphones, PDA terminals, etc.) are forming a mass market and are being applied to various product groups. [0003] In addition, in order to improve the visibility or impact resistance of such an image display device, adhesive bonding applied between a window glass as a protective part of the image display device and a touch screen panel (TSP) sensor glass as a substrate including the image display part The growing interest and demand for composite materials. Regarding the manufacture of such TSPs, optical adhesive materials have been actively researched and developed, and in such optical adhesive materials, transparent materials such as optically clear adhesive (OCA) or optically clear resin (OCR)...

AI Technical Summary

Problems solved by technology

However, since the OCA film is in a solid form and looks like a transparent sheet, air bubbles are likely to be introduced during the process of attaching the protective portion having light-transmitting properties to the substrate portion including the image display portion of the image display device, and even After splicing, it is likely to delaminate or further introduce air bubbles at high temperature, which leads to low visibility

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