BDO(1,4-butylene glycol)→PBS(poly butylene suecinate）：BDO is an important basic organic chemical material as well as a fine chemical material with extensive application and its derivatives are fine chemical products with high added value and are widely used in solvent, pharmaceutical, polyurethane, fiber, engineering plastics, cosmetics, plasticizer, hardening agent, pesticide and etc.
BDO is now mainly used to produce tetrahydrofuran (THF), polytetrahydrofuran (PTMEG), γ-butyrolactone (GBL), polybutylene terephthalate (PBT), biodegradable resin (PBS), polyurethane (PU), N-methyl pyrrolidone (NMP), etc.
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