Dimethyl maleate is an important organic chemical raw material, used as a plasticizer, fat oil preservative, and synthetic organic material. Dimethyl maleate through different catalytic hydrogenation processes for the production of 1 4 - butanediol, tetrahydrofuran, gamma-butyrolactone, and succinic acid dimethyl 1, 4 - butylene glycol, succinic acid dimethyl continue for the production of fully biodegradable plastic poly succinic acid butyl glycol ester (PBS).
