Surface characterization of a rosin sizing agent in paper by means of EPMA, ESCA and TOF-SIMS
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Yasushi Ozaki
Abstract
EPMA(e1ectronprobe micro analysis), ESCA (electron spectroscopy for chemical analysis) and TOF-SIMS (time of flight type secondary ion mass spectrometry) were used to detect the distribution of a rosin sizing agent in paper. For EPMA we labelled paper samples with osmium tetroxide which enabled the detection of rosin in the XY direction of the paper sheet. For ESCA we labelled paper samples with fluorine which also enabled the detection of rosin. At the same time, the ESCA angle-dependent technique was used to obtain depth profiles of the rosin. Also, distribution images of rosin on an extremely thin ( 1 nm) surface layer were made observable by monitoring fragment ions from the rosin with TOF-SIMS. By using EPMA, a notable difference in rosin distribution was shown on the pulp fiber. However, according to the TOF-SIMS examination, the rosin was shown to be distributed relatively even in an extremely thin surface layer. The ESCA angle- dependent technique showed that rosin was present mainly on the outer surface layer.
© 2018 by Walter de Gruyter Berlin/Boston
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Articles in the same Issue
- Lamellar cracks, do they appear during radial compression of wood?
- Characterization of surfaces of CTMP fibers using inverse gas chromatography combined with multivariate data analysis
- Residual phase lignin in haft cooking related to the conditions in the cook
- Fibre characteristics and paper properties of formic acid / peroxyformic acid birch pulps
- Pulp washing: Influence of temperature on lignin leaching from kraft pulps
- Effect of headbox slice geometry during the stratified forming of woodfree paper
- Surface characterization of a rosin sizing agent in paper by means of EPMA, ESCA and TOF-SIMS
- The steady-state compressibility of saturated fibre webs at low pressures
- Dynamic simulation of a thermomechanical pulp refiner
- Identification of carton board qualities using gas chromatography or gas sensitive sensors in combination with multivariate data analysis
- Thermodynamic parameters governing the stereoselective degradation of arylglycerol-B-aryl ether bonds in milled wood lignin under kraft pulping conditions
- Calendering of coated paper and board in an extended soft nip
- List of dissertations in the field of pulp and paper 1996 (previously not published) and 1997
- Annual index for 1997
