acid, 30–35% oleic acid, and 15–20% palmitic acid; iodine
value: 104–116.8 gI2/100 g) was purchased from Jiangxi
Fenglin Investment and Development Co., Ltd., China. Sodium hydroxide
(98.0%), ethyl alcohol (99.0%), and formic acid (88.0%) (all stabilized)
were purchased from Shanghai Lingfeng Chemical Reagent Co., Ltd.,
China. Hydrochloric acid (37%), ethyl acetate (99.5%), P-toluene sulfonic acid (98.5%), and H2O2 (30%)
(all stabilized) were provided by Nanjing Chemical Reagent Co., Ltd.,
China. Maleic anhydride (99.5%), triphenyl phosphate (98.0%), 2,2-dimethoxy-2-phenylacetophenone
(DMPA, 98%), and hydroquinone (99.0%) (all stabilized) were offered
by Sinopharm Chemical Reagent Co., Ltd., China. E51 epoxy resin and
tris (dimethylaminomethyl)phenol (DMP-30) were purchased from Wuxi
resins Co., Ltd., China. Glycidyl methacrylate (GMA, stabilized, 97%)
was produced by Aladdin Industrial Corporation (Shanghai). All these
chemicals were used as received.