Abstract
| Original language | English |
|---|---|
| Pages (from-to) | 131-135 |
| Journal | Nordic Pulp and Paper Research Journal |
| Volume | 22 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - 2007 |
| MoE publication type | A1 Journal article-refereed |
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Keywords
- Tof-SIMS
- sizing
- spraying
- coatings
- acetylated cationic starch
- degree of substitution
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ToF-SIMS characterization of modified starch on fine and LWC base papers. / Juhanoja, J. (Corresponding Author); Fagerholm, H.; Hyvärinen, Sari; Peltonen, Soili; Kataja, Kirsi; Lampinen, Henna; Fardim, Pedro.
In: Nordic Pulp and Paper Research Journal, Vol. 22, No. 1, 2007, p. 131-135.Research output: Contribution to journal › Article › Scientific › peer-review
TY - JOUR
T1 - ToF-SIMS characterization of modified starch on fine and LWC base papers
AU - Juhanoja, J.
AU - Fagerholm, H.
AU - Hyvärinen, Sari
AU - Peltonen, Soili
AU - Kataja, Kirsi
AU - Lampinen, Henna
AU - Fardim, Pedro
N1 - Project code: c3su00861
PY - 2007
Y1 - 2007
N2 - The surface chemistry of starch-coated fine and LWC papers was studied using Time-of-Flight Secondary Ion Mass Spectrometry (ToF-SIMS). The starch was modified by varying the degree of acetylation and cationization and spread onto paper surfaces by spraying or bar coating. ToF-SIMS imaging showed a substantially more uniform coating layer of starch when bar coating was used. The spatial distributions of acetyl and quaternary nitrogen functional groups were also assessed. A direct relation between the theoretical cationization/acetylation ratio and the peak ratios obtained by ToF-SIMS indicated that the starch characteristics can significantly influence the surface chemistry of paper. Furthermore, some benefits and drawbacks of this novel characterization technique, especially with regard to quantification of the spectral information, are discussed.
AB - The surface chemistry of starch-coated fine and LWC papers was studied using Time-of-Flight Secondary Ion Mass Spectrometry (ToF-SIMS). The starch was modified by varying the degree of acetylation and cationization and spread onto paper surfaces by spraying or bar coating. ToF-SIMS imaging showed a substantially more uniform coating layer of starch when bar coating was used. The spatial distributions of acetyl and quaternary nitrogen functional groups were also assessed. A direct relation between the theoretical cationization/acetylation ratio and the peak ratios obtained by ToF-SIMS indicated that the starch characteristics can significantly influence the surface chemistry of paper. Furthermore, some benefits and drawbacks of this novel characterization technique, especially with regard to quantification of the spectral information, are discussed.
KW - Tof-SIMS
KW - sizing
KW - spraying
KW - coatings
KW - acetylated cationic starch
KW - degree of substitution
U2 - 10.3183/NPPRJ-2007-22-01-p131-135
DO - 10.3183/NPPRJ-2007-22-01-p131-135
M3 - Article
VL - 22
SP - 131
EP - 135
JO - Nordic Pulp and Paper Research Journal
JF - Nordic Pulp and Paper Research Journal
SN - 0283-2631
IS - 1
ER -