A (meth)acrylic acid copolymer (A) having a weight average molecular weight of 1000 to 1,000,000, and in which when the half-width of the primary scatter peak when measured by small angle X-ray scattering is defined as X, 0.12
一种(甲基)
丙烯酸共聚物(A)可用作粘合剂,其重量平均分子量在 1000-1,000,000 之间,当通过小角 X 射线散射测量主散射峰的半宽定义为 X 时,0.12
乙烯基单体 (b) 的单体混合物而得到的。该粘合剂具有足够的保持力和粘合力,剥离时可防止粘合剂沉积。