Research Article

Polymerization of Oriental Lacquer (Urushi) with Epoxidized Linseed Oil as a New Reactive Diluent

Figure 2

Extraction of polymerized film by acetone. After 7 days of polymerization, the weight of the film of the HBL paint with ELO-6 in the weight proportion of 10 : 1 remained at more than 99 wt% after extraction with acetone, suggesting that the HBL paint with ELO-6 was completely copolymerized.