Patent ID: 6503604
Filing Date: 2003-01-07
Classification: B41M,Y10T

Abstract:
An ink jet recording sheet comprising a support having thereon an ink-absorptive layer comprising a hydrophilic binder, inorganic particles having an average particle diameter of no more than 200 nm and a water-soluble cationic polymer represented by formula (1) described below, wherein pH of a surface of the ink-absorptive layer is 3 to 6.5,Formula (1) wherein R represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, R1, R2, and R3 each independently represents an alkyl group, and J represents a divalent bonding group; Xâˆ’ represents an anion; Q represents a repeat unit, derived from a monomer having an ethylenic unsaturated group, Q includes the case in which at least two types of monomers are polymerized; x represents 40 to 100 mole percent and y represents 0 to 60 mole percent.