Patent ID: 8790784

Claim:
An interlayer film for laminated glass having a multilayer structure comprising at least two layers including a first layer and a second layer stacked at least on one face of the first layer, the at least two layers being bonded together, wherein the second layer contains a thermoplastic resin and a plasticizer, and wherein the first layer contains a thermoplastic resin and a first plasticizer represented by the formula (1): in which R1 and R2 each represent an organic group containing at least one ether bond and n represents an integer of 2 to 8, and the first layer further contains a second plasticizer that is a diester compound, and/or the thermoplastic resin of the second layer is and a polyvinyl acetal resin with a hydroxyl content of 25 to 40 mol %, and the polyvinyl acetal resin in the second layer has an acetal group with 3 or 4 carbon atoms, an acetalization degree of 60 to 75 mol %, and an acetylation degree of 0 to 10 mol %.