INTERLAYER FOR LAMINATED GLASS, AND LAMINATED GLASS

摘要

An interlayer for laminated glass is provided which is capable of improving the adhesive strength between respective layers. An interlayer for laminated glass according to the present invention is provided with: a first layer which includes a polyvinyl acetal resin and a plasticizer; and a second layer which includes a polyvinyl acetal resin and a plasticizer. The second layer is stacked on a first surface of the first layer. The content of hydroxyl groups in the polyvinyl acetal resin in the first layer is different to the content of hydroxyl groups in the polyvinyl acetal resin in the second layer. Either the first layer includes a filler, or the second layer includes a filler, or the interlayer partly includes a filler at the interface between the first layer and the second layer.