| 초록 |
Natural lacquer, inferring ottchil in Korea, has received reignited attention as an eco-friendly natural coating material due to its high durability, strong adhesion, spontaneous curability at room temperature, and anti-bacterial properties. Lacquer film is obtained from oxidative polymerization of catechol-lipids molecules whose molecular structures differs depending on the types of lacquer trees. However, fundamental studies on the properties of natural lacquer according to the different types of catechol lipids had not been reported yet. In this work, we will present facile method for verification of the co-existence of two different catechol lipids with similar molecular structures, urushiol and laccol, and the correlation between their compositions to the physical properties of the lacquer films. The laccol has the lower contents of polymerizable double bond, resulting decreasing curing speed and physical properties of the lacquer film, but optical properties to be improved. |
