MULTILAYER SURFACE COATING Russian patent published in 2016 - IPC B32B27/00 B05B3/02 B05D3/14 E04F13/07 

FIELD: construction.

SUBSTANCE: invention relates to synthetic multilayer wall- or floor surface coatings and method for production thereof. Coating contains not containing PVC bearing layer, decorative layer, transparent wear layer and cover layer arranged between bearing layer and decorative layer. Cover layer thickness makes at least 5 mqm, and surface tension equals or exceeds surface tension of decorative layer. Method includes steps of: producing PVC-free bearing layer, producing cover layer composition, formation of cover layer, its thickness is at least 5 mqm, and surface tension equals or exceeds surface tension of decorative layer, by application of coating layer on top of composition not containing PVC bearing layer and drying said composition of coating layer at temperature from 20 to 130 °C or extrusion of cover layer composition for formation of film and application of said film on top of not containing PVC bearing layer , applying decorative layer on top of cover layer, application of transparent wear layer on top of decorative layer.

EFFECT: invention provides creation of surface coating with improved adhesion between different layers and high quality of printing.

15 cl, 7 dwg, 7 ex, 8 tbl