INTERMEDIATE FILM FOR LAMINATED GLASS AND LAMINATED GLASS Russian patent published in 2018 - IPC C03C27/12 B32B27/10 C08L29/14 

FIELD: laminated products or materials.

SUBSTANCE: invention relates to an intermediate film for laminated glass in which it is difficult to create a gap at the ends of a laminated glass sheet, and which can suppress an increase in the amount of the YI yellowness index value measured at the ends of the laminated glass sheet. Said intermediate film for the laminated glass according to the present invention is provided with a first layer comprising a polyvinyl acetal resin and a plasticizer, and a second layer disposed on a first side of the surface of the first layer and comprising a polyvinyl acetal resin and a plasticizer; and the first layer further comprises a hindered amine light stabilizer, wherein the alkyl group or alkoxy group is bonded to the nitrogen atom of the piperidine structure. Invention is developed in dependent claims of the invention.

EFFECT: technical result is to prevent the increase in the yellowing index at the ends of the laminated glass sheet.

11 cl, 2 dwg, 3 tbl