INTERMEDIATE FILM FOR LAMINATED GLASS, AND LAMINATED GLASS Russian patent published in 2018 - IPC C03C27/12 

FIELD: construction.

SUBSTANCE: invention relates to an interlayer film for laminated glass. Interlayer film for laminated glass includes a polyvinyl acetal resin and a second resin component with a glass transition temperature higher than or equal to -15 °C and lower than or equal to 5 °C. Content of the polyvinyl acetal resin is greater than or equal to 10 % by weight and less than or equal to 50 % by weight, and the content of the second resin component is greater than or equal to 50 % by weight and less than or equal to 90 % by weight, in 100 % by weight of the total of the polyvinyl acetal resin and the second resin component. Polyvinyl acetal resin and the second resin component form a sea-island structure in the interlayer film.

EFFECT: technical result is an increase in the sound-insulating properties of laminated glass.

11 cl, 3 tbl, 2 dwg, 20 ex