A New Development of Density Decreaser for Paper

Mori Yasuo, Saito Hajime

doi:10.2524/jtappij.65.472

Low-density paper called “KASADAKA-SHI”, which is characterized by its lighter weight & higher-caliper than conventional paper, is currently used in a wide range of products such as book paper and paperboard. Low-densification enables paper to provide not only advanced functions like the increased bulk by weight reduction as well as increased paper caliper and the improved qualia like handling and page-turning, but also the weight reduction without caliper change which is widely noticed from the environmental point of view due to the restraint of deforestation by reduced consumption of virgin pulp. Decreaser for paper is currently widely employed in various techniques as additive to achieve the low-densification of paper from among other options.<BR>NICCA CHEMICAL has launched cationic type decreaser for paper called “MUSCUT K-300 series” which features advanced modification effects like sizing, enhanced opacity and softness as well as bulk. However MUSCUT K-300 series still has defects to be improved, such as reduced paper strength and inconsistent compatibility of the combination with anionic agents. Our continuous elaborate works enable us to develop new nonionic type decreaser for paper called “MUSCUT N-800” which features suppressed reduction of paper strength and improved compatibility with other combination agents.<BR>In this paper, we report on the features and practical applications of MUSCUT N-800.

A New Development of Density Decreaser for Paper

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A New Development of Density Decreaser for Paper

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