The Journal of Natural Sciences (자연과학논문집)
- Volume 8 Issue 2
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- Pages.21-26
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- 1996
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- 1225-6196(pISSN)
A Study on Curing of Commercially Available Chines Urushiol
옻칠의 경화에 관한 연구
- Kim, Young-Baek (Department of Chemistry, PaiChai University) ;
- Park, Deok-Soo (Department of Chemistry, PaiChai University)
- Published : 1996.02.28
Abstract
Commercially available Chines oriental lacquer was treated to get two fractions, hexane soluble fraction and hexane insoluble fraction. Hexane soluble fraction was subjected to thermal curing process. Films obtained from the lacquer under normal conditions and obtained from thermal curing were compared. The compounds in hexane soluble fraction were copolymerized with 1,6-diisocyanohexane, and toluendiisocyanate(TDI). Films obtained by thermal curing were highly brittle and hydrophobic while the films obtained under normal conditions were hydrophilic. Curing reaction did not occur when oxygen was not available.Some of the major component in the lacquer was isolated by HPLC and UV spectrum of each compound was recorded.
시중에서 판매하는 중국산 옻칠을 그대로 혹은 유기용매에 녹는 부분과 녹지 않는 부분으로 분리하고 각각의 경화현상을 연구하였다. 그대로 사용하는 경우에는 상온에서 수분이 포화된 상태에서 경화를 관찰하였으며 유기용매로 분리한 부분의 경화는 섭씨