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A.Sawatari,M.Sawaguchi,Y.Ozaki 한국펄프·종이공학회 1999 한국펄프종이학회 기타 간행물 Vol.- No.-
The handsheets were prepared from softwood bleached sulfate pulp added with a soap-type rosin sizing agent. The rosin sizing agents on the surface of the handsheets were chemically modified with OsO₄ vapor. The rosin existing in the surface layer of the depth of 10nm and 1nm were characterized by using ESCA and TOF-SIMS, respectively. The results show that the rosin sizing agents in the very thin surface layer were well characterized by OsOf peak intensities in ESCA. OsOf peak intensities increased with the increase in the added amount of rosin.<br/> However, the secondary negative ion intensity were not properly characterized in TOF-SIMS, because the secondary OsOx ions intensity had a minimum with the increase in the added amount of rosin. The positive ion intensity originated from the other site than Os atom showed a proper characterization.