INTERMEDIATE FILM FOR MULTILAYER GLASS, ROLLED ARTICLE, MULTILAYER GLASS AND METHOD OF MAKING MULTILAYED GLASS Russian patent published in 2019 - IPC C03C27/12 

FIELD: manufacturing technology.

SUBSTANCE: invention relates to an intermediate film for multilayer glass. Intermediate film includes at least one of its surfaces multiple recesses and multiple bosses. Recesses have a groove shape with a continuous bottom. Recesses are arranged in regular order, side by side, parallel to each other. Recesses in the form of a groove shape with a continuous bottom are inclined at angle making 55° or less, with respect to machine direction of film in process of producing intermediate film for multilayer glass. Upper parts of bulges have roughness of 30 mcm or less.

EFFECT: reduced probability of film shift relative to glass during production of multilayer glass.

5 cl, 4 dwg, 7 tbl