Abstract
Characteristics of mixing biodegradable polymers and polymer impregnated paper for mulching mat for seedling were investigated. The mixed film of 70% PLA was most easily biodegradable. The surface of polymer films were changed to more rough due to enzymatic degradation of lipase. Tensile strength and breaking elongation of PLA mixed films were increased to the 0.04-0.31 kN/m and the 0.17-0.96%, respectively. With higher PLA contents, intensities of ester originated carboxyl group(about 1,748cm-1) were increased. Physical properties of prepared mulching mats were increased with PLA contents and stiffness of mulching mat was not so much changed.
| Original language | English |
|---|---|
| Pages (from-to) | 75-81 |
| Number of pages | 7 |
| Journal | Palpu Chongi Gisul/Journal of Korea Technical Association of the Pulp and Paper Industry |
| Volume | 42 |
| Issue number | 2 |
| State | Published - 2010 |
Keywords
- Afforestation seedling mulching mat
- Biodegradable polymer
- PLA
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