| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a paper-making workability-improving agent which can exhibit both of an excellent stain adhesion-preventing effect and an excellent peeling-improving effect not only when pH of a water system is in a neutral-basic condition but also in an acidic condition, in a process for producing paper or cardboard, and to provide a paper-making workability-improving method of a paper machine using the same. <P>SOLUTION: The paper-making workability-improving agent of the present invention contains an acidic surfactant having a constitution portion as a nonionic surfactant, an amino group-containing polymer and a nonionic surfactant, as an active element. <P>COPYRIGHT: (C)2013,JPO&INPIT |
