| abstract |
It contains polyvinyl acetal (A1), plasticizer (B), heat ray shielding fine particles (C), phosphate ester (D), and alkali metal salt and / or alkaline earth metal salt (F) having a content of vinyl alcohol unit of 22 mol% or less. , Layer x having an acid value of 1.5 KOHmg / g or less when measured according to JIS K2501, polyvinyl acetal (A2), plasticizer (B), and ultraviolet absorber (E) having a content of vinyl alcohol units of 25 to 34 mol%. It is called the interlayer film for laminated glass which includes and contains the layer y arrange | positioned at the both outer sides of the said layer x. Thereby, the interlayer film for laminated glass excellent in transparency, adhesiveness, durability, sound insulation, and heat ray shielding can be provided. |