| 摘要 |
Composition for the fluorescent whitening of paper, which comprises a) a fluorescent whitening agent (FWA) derived from 4,4'-bis[(1,3,5-triazin-2-yl)amino]stilbene-2,2'-disulphonic acid and characterized by one or both of the triazine rings carrying an -NH<SUB>2 </SUB>substituent; b) water and c) optionally, further auxiliaries, the use thereof in either the pulp mass, in coating or in the metering size-press or film press and to a process thereto. |
