MULTILAYER POLYMER INTERLAYERS WITH EMBOSSED SURFACE Russian patent published in 2012 - IPC B32B17/10 C03C27/12 B29C47/00 

FIELD: process engineering.

SUBSTANCE: polymer interlayers with embossed surface consist of soft inner polymer layer and relative stiff outer layers that may be laminated without unacceptable optical distortions and used in multilayer glass panels of whatever application. Said layer feature surface topography composed of embossing of the interlayer or separate layers of multilayer interlayer after making interlayer or layers. Embossing is performed at temperatures that inhibit transfer of texture on interlayer inner layers.

EFFECT: ruled out unacceptable distortions.

7 cl, 1 dwg, 10 tbl