Patent ID: 9561639
Date: 2017-02-07
CPC Classifications: B32B,C08K,Y10T

Claim:
1. An intermediate film for laminated glass which is a multilayer intermediate film for laminated glass having a laminated structure of two or more layers, comprising: a first layer which contains silicon dioxide particles having hollow parts and shell parts and having a porosity of 40% or more and 80% or less, which further contains a polyvinyl butyral resin or an acrylic urethane resin as a binder resin, and which has a thickness in μm of 0.005 T or more and 0.6 T or less when the thickness in μm of the intermediate film for laminated glass is defined as T, wherein a product of the content of the silicon dioxide particles in the first layer in % by weight×0.01 and the thickness in μm of the first layer is 0.1 or more and 60 or less, and wherein the first layer contains the silicon dioxide particles in an amount of 0.1 g/m a second layer which is arranged on a first surface side of the first layer and which contains a thermoplastic resin.