ALKANOL-AMMONIUM CONTAINING TRIAZINYLFLAVONATE BRIGHTENER
PROBLEM TO BE SOLVED: To provide an optical brightener as a size press liquid component effective as possible because paper tends to the surface-sized paper having high whiteness; and to provide a method for brightening the paper in the size press, a brightener preparation or the like by considering...
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Zusammenfassung: | PROBLEM TO BE SOLVED: To provide an optical brightener as a size press liquid component effective as possible because paper tends to the surface-sized paper having high whiteness; and to provide a method for brightening the paper in the size press, a brightener preparation or the like by considering that the brightener having no defects in a conventional technique is desired. SOLUTION: The brightener preparation containing the brightener of formula I [wherein, substituents have the same meanings as in the specification] regulated so that the size press liquid may contain the brightener is used for brightening the paper. COPYRIGHT: (C)2006,JPO&NCIPI |
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