PROCESSING HYDROXY-CARBOXYLIC ACIDS TO POLYMERS
收藏国家林业和草原科学数据中心2023-02-12 更新2024-03-07 收录
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PROBLEM TO BE SOLVED: To provide methods and processes for converting a material， such as biomass feedstock， e.g.， cellulosic， starchy or lignocellulosic materials， to useful products， for example， hydroxy-carboxylic acids (e.g.， alpha， beta， gamma and delta hydroxy-carboxylic acids) and derivatives of hydroxy-carboxylic acids (e.g.， esters). SOLUTION: Biomass (e.g.， plant biomass， animal biomass， and municipal waste biomass) is processed to produce useful intermediates and products， such as aliphatic hydroxy-carboxylic acid and hydroxyl-carboxylic acid derivatives. These aliphatic hydroxy-carboxylic acids are， in turn， polymerized. The polymerization is carried out using a thin film evaporator or a thin film polymerization/devolatilization device. Conversion of lactic acid to polylactic acid is an especially useful product of this process. SELECTED DRAWING: Figure 1
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国家林业和草原科学数据中心
创建时间：
2023-02-12
