Department of Materials and Chemical Engineering;
Hunan Institute of Technology;
Hengyang 421002;
China;
State Key Laboratory of Molecular Engineering of Polymers;
and Department of Macromolecular Science;
Fudan University;
Shanghai 200433;
China;
Dow Chemical China Holding Company;
Shanghai 201203;
China;
Dow Chemical Company;
Lake Jackson 77566;
United States;
Reflux precipitation polymerization; Solid acid; Magnetic separation; Biodiesel; Recyclability;