Abstract
This study investigated the applicability of principal component analysis (PCA) to paper aging. Thermal aged paper was analyzed by physicochemical method and compared with PCA. As paper aging progresses, folding endurance decreased and the oxidation index increased. In addition, PCA was carried out by the second order derivative of the IR spectra and the aged papers were classified by PCA. The main components classified by PCA were carboxyl group and carbonyl group, which are the factors that affect the aging of cellulose. Therefore, PCA can be employed as a tool to measure paper aging using non-destructive methods.
| Original language | English |
|---|---|
| Pages (from-to) | 144-149 |
| Number of pages | 6 |
| Journal | Palpu Chongi Gisul/Journal of Korea Technical Association of the Pulp and Paper Industry |
| Volume | 48 |
| Issue number | 6 |
| DOIs | |
| State | Published - Dec 2016 |
Keywords
- Aged paper
- Chemometrics
- Oxidation index
- Physicochemical properties
- Principal component analysis (PCA)
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