| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a surface-sizing agent not only imparting excellent sizing effects to paper but also solving the problems of paper slide in a rotary press and stickiness after rewetting in a printing machine. <P>SOLUTION: The surface-sizing agent for papermaking contains (A) an alkyl or alkenyl ketene dimer, (B) a water-soluble copolymer obtained by polymerizing unsaturated monomers includingα,β-unsaturated carboxylic acids and styrenes, and (C) a neutralized salt of an alkyl- or alkenyl-succinic acid. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
