| 摘要 |
PROBLEM TO BE SOLVED: To provide a coating agent for paper, containing a vinyl alcohol-based polymer, providing a coating agent having excellent viscosity stability, and capable of forming a layer (e.g. a coated layer or a color-developing layer) having excellent water resistance and plasticizer resistance after being coated on the paper surface. SOLUTION: The coating agent for the paper includes (A) a vinyl alcohol-based copolymer having 0.01-8 mol% proportion modified with carbon monoxide, 200-3,500 viscosity average polymerization degree and 80-99.99 mol% saponification degree; and (B) a polyfunctional hydrazide compound having two or more hydrazide groups in the molecule, regulated so that the ratio (A):(B) of solid components by weight may be from 100:1 to 100:15. COPYRIGHT: (C)2009,JPO&INPIT
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