| 초록 |
In this work, biodegradable films were prepared by using jerusalem artichoke-JA, mungbean starch-MBS, polyvinyl alcohol-PVA, and plasticizers(glycerol-GL, citric Acid-CA, and ascorbic Acid-AsA). The prepared films were synthesized by using UV curing process. The films were characterized by scanning electron microscope-SEM and fourier transform infrared(FT-IR). The physical/optical properties of the films was investigated including their tensile strength-TS, elongation at break-%E, swelling behavior-SB, solubility-S, and water vapor absorption. The results, it could be verified that TS and water resistance were improved by the addition of JA. In addition, the biodegradability in soil and applicability of the coating on a fruit were evaluated. The degree of biodegradability revealed that the films are degraded by about 40-80% after 170days. When compared with the decomposition of an uncoated apple and a coated apple revealed that even after 70 days, the coated apple did not decompose. |
