Composition that can be screen printed onto polyvinyl butyral

Abstract

The invention relates to a composition suitable for the black printing, via screen printing, of a sheet of polyvinyl butyral intended to be part of a laminated glazing unit, characterized in that it comprises: 11% to 13% by weight of polyvinyl butyral, 35% to 40% by weight of at least one aliphatic dicarboxylic acid diester, and at least one black pigment in an amount and with a specific surface area that are selected so that the Brookfield viscosity of the composition at 20° C. is between 9 and 13 Pa.s; a process for printing, via screenprinitng, a sheet of polyvinyl butyral intended to be part of a laminated glazing unit, using this composition; a sheet of polyvinyl butyral intended to be part of a laminated glazing unit, and printed, via screen printing, using this composition; and a laminated glazing unit comprising such a sheet of polyvinyl butyral.

Dependencies are inferred from the claim text.