Patent ID: 6932887

Claim:
A newspaper for offset printing comprising: a base paper; and a surface-treatment agent for offset printing containing a process d starch applied and dried on the base paper, wherein the processed starch constitutes 20-100% by weight of the surface-treatment agent d is at least one type selected from a) to c) as listed below, and the product of (i) a B-type viscosity of the surface-treatment agent as measured when using rotor No. 1 at 60 rpm under conditions of 10% concentration at 50°C., and (ii) an application amount of the surface-treatment agent on both sides of the base paper, which is 0.05-2.0 g/m 2 , is within the range of 2 to 15 cps·g/m 2 ; a) Etherified starch, which is etherified by a compound defined in the general formula (1) given below: (AO) n H (1) wherein A represents an ethylene group or propylene group, while n represents an integer of 1 to 15, b) Carboxylic acid esterified starch, which is esterified by monocarboxylic acid or dicarboxylic acid containing a linear, branched or cyclic alkyl group or alkenyl group having carbon atoms of 4 to 18, and c) Aldehyde starch.