Patent ID: 6589633
Filing Date: 2003-07-08
Classification: B41M,D06M,D06N,D06P,Y10T

Abstract:
A sheet material for advertisement comprising:(A) a sheet substrate comprising at least one base fiber fabric; and (B) at least one ink receiving layer formed on at least one surface of the sheet substrate and comprising: (a) hydrated silica particles having an average primary particle size of 20 to 35 nm, an average secondary particle size of 2 to 7 &mgr;m, and a BET specific surface area of 50 to 170 m2/g, and (b) a cross-linked water-holding material having a water-absorption ratio of 5 to 50, determined in accordance with the following equation: water absorption ratio=W2/W1, wherein W1 represents a weight of a water-holding material when it is free of water and W2 represents a weight of the water-holding material when it is saturated with water; (c) a binder comprising an acrylic resin, wherein the ink receiving layer further comprises a flame-retarder containing a phosphate ester compound.