The present invention provides a photocurable resin composition that is alkali-developable, provides a cured product having excellent adhesiveness and scratch resistance, and is useful as a hard-coat material for an image display surface of an image display device, and a novel siloxane compound that is useful as a resin component of the aforementioned photocurable resin composition. Specifically, the invention provides: a photocurable resin composition including (A) a polyol acrylate compound, (B) a compound including, in the molecule thereof, an acrylic or methacrylic group and a carboxyl group, (C) a siloxane compound represented by one of the general formulae (1) to (4), and (D) a photoradical generating agent; and a novel siloxane compound represented by the general formula (4). The specific contents of the general formulae (1) to (4) are as described in the Description.
本发明提供了一种光固化
树脂组合物,该组合物可在碱性条件下显影,固化后的产品具有优异的粘合性和抗划伤性,可用作图像显示设备的图像显示表面的硬涂层材料,还提供了一种新型
硅氧烷化合物,该化合物可用作上述光固化
树脂组合物的
树脂成分。具体而言,本发明提供了:一种光固化
树脂组合物,包括(A)多元醇
丙烯酸酯化合物,(B)在其分子中包括
丙烯酸基团或
甲基丙烯酸基团和羧基的化合物,(C)由通式(1)至(4)之一表示的
硅氧烷化合物,和(D)光绶生成剂;以及由通式(4)表示的新型
硅氧烷化合物。通式(1)至(4)的具体内容如说明书所述。