Synthesis of Poly(Lactic Acid) from Ammonium Lactate Fermentation Broth of Food Waste

Bingxin Zhang,Yan Guo,Ming Gao,Chuanfu Wu,Xiaona Wang,Xiaohong Sun,Qunhui Wang

Waste and Biomass Valorization（2024）

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摘要

In this study, ammonium lactate from food waste fermentation broth was used as raw material to synthesize butyl lactate with butanol catalyzed by SnCl2-modified cation exchange resin (Sn-CER) followed by direct synthesis of lactide and final polymerization to obtain poly(lactic acid) (PLA). A new Lewis acidic center was formed in the Sn-CER by complexation reaction and the maximum loading of Sn was 31

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关键词

Food waste,Ammonium lactate fermentation broth,Stannous chloride modified resin,Butyl lactate,Lactide,Poly(lactic acid)

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