FIELD: process engineering.
SUBSTANCE: invention relates to polymer intermediate layers used in multilayer-glass panels. Intermediate layer comprises extruded layer of poly(vinyl butyral) including first coextruded skin-layer of poly(vinyl butyral) with thickness less than 0.15 mm that contains additive selected from the group adhesion regulators, pigments, coloring agents UV-and IR-radiation absorbers. Note here that said poly(vinyl butyral) sheet contains less than 10% of said additive.
EFFECT: higher efficiency of application of said additives that add to operating properties.
6 cl, 3 dwg
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