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Double-layer Composite Film of Natural Materials and Mulch Film Application
Paper Type  |
Contributed Paper |
Title |
Double-layer Composite Film of Natural Materials and Mulch Film Application |
Author |
Nattapong Pinpru, Thitirat Charoonsuk, Thanong Phanasun, Machima Soponpong, Theerachai Bongkarn, Somsak Woramongkolchai and Naratip Vittayakorn |
Email |
kwosomsa@gmail.com |
|
Abstract: In this work, double-layer mulch composite film was prepared from natural materials (bacterial cellulose; BC, alginates, carboxymethyl cellulose; CMC, and calcium hydrogen phosphate; CaHPO4) by the solvent casting method. The BC/CaHPO4 film was casted as a second layer and serves two purposes: soil water absorption and slow-release fertilizer. The mechanical properties of the double layer film are significantly improved by using the double-layer casting technique with the tensile strength of 17.4 MPa and the percentage of elongation at break of 78.7%. The percentage of water absorption and biodegradation was increased to 60% and 48.7%, respectively, within 30 days. Morphological evidence confirmed that the double-layer composite film degraded gradually, as cracks appeared on its surface when buried in soil for a longer period of time. This result was consistent with increasing biodegradation percentage. In addition, the double-layer composite film fully supported the decrease in temperature and increase of soil moisture via ultra violet (UV) protection. |
|
Start & End Page |
1135 - 1149 |
Received Date |
2022-02-25 |
Revised Date |
2022-06-05 |
Accepted Date |
2022-06-06 |
Full Text |
Download |
Keyword |
bacterial cellulose, alginates, carboxymethyl cellulose, calcium hydrogen phosphate, double layer composite film |
Volume |
Vol.49 No.4 (July 2022) |
DOI |
https://doi.org/10.12982/CMJS.2022.073 |
Citation |
Pinpru N.,Charoonsuk T.,Phanasun T.,Soponpong M.,Bongkarn T.,Woramongkolchai S., et al., Double-layer Composite Film of Natural Materials and Mulch Film Application, Chiang Mai Journal of Science, 2022; 49(4): 1135-1149. DOI 10.12982/CMJS.2022.073. |
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