Patent ID: 6780478
Filing Date: 2004-08-24
Classification: B41M,C09D

Abstract:
A recording sheet for ink jet printing comprising a support having coated onto said support at least one ink receiving layer comprising one or more binders and a mixture of different water insoluble, (i) inorganic oxides of the elements aluminium or silicium, (ii) oxide/hydroxides of the element aluminium or (iii) aluminium silicates, wherein at least one of said oxides, oxides/hydroxides or silicates has a pore volume of &gE;40 ml/100 g and is present in an amount of at least 8 weight percent relative to the total amount of all the water insoluble, inorganic oxides, oxide/hydroxides or silicates; wherein the mixture contains primary particles; and wherein the primary particles of the mixture component with the largest volume have an equivalent sphere diameter of less than 20 nm; and the primary particles of the mixture component with the smallest volume have an equivalent sphere diameter that is at least {fraction (1/20)} of the equivalent sphere diameter of the primary particles of the mixture component with the largest volume and wherein one of the components of the mixture has a first morphology and another component of the mixture has a second morphology, different from the first morphology.