LAMINATED GLASS INTERLAYER, METHOD FOR PRODUCING SAME, AND LAMINATED GLASS USING SAME
申请人:Kuraray Co., Ltd.
公开号:EP2650267A1
公开(公告)日:2013-10-16
Provided is an interlayer film for laminated glass comprising: a layer x which contains polyvinyl acetal (A1) having a content of vinyl alcohol units of 22 mol% or less, a plasticizer (B), heat ray shielding microparticles (C), phosphoric acid ester (D), and alkali metal salt and/or alkali earth metal salt (F), and has an acid number in accordance with JIS K2501 of 1.5 KOH mg/g or less; and a layer y containing polyvinyl acetal (A2) having a content of vinyl alcohol units of from 25 to 34 mol%, the plasticizer (B), and an ultraviolet absorber (E), wherein the layers y are located on both sides of the layer x. This enables to provide an interlayer film for laminated glass that is excellent in transparency, adhesion, durability, sound insulation, and a heat ray shielding property.
提供了一种用于夹层玻璃的中间膜,其包括:一层 x,其中含有乙烯醇单元含量为 22 mol% 或以下的聚乙烯醇缩醛 (A1)、增塑剂 (B)、热射线屏蔽微粒 (C)、磷酸酯 (D) 和碱金属盐和/或碱土金属盐 (F),且根据 JIS K2501,其酸值为 1.这样就能为夹层玻璃提供一种透明度、粘合性、耐久性、隔音性和热射线屏蔽性都很好的夹层膜。