Biodegradable Poly (Lactic Acid): Synthesis, Modification, by Jie Ren

By Jie Ren

Biodegradable Poly (Lactic Acid): Synthesis, amendment, Processing and purposes describes the practise, amendment, processing, and the examine and purposes of biodegradable poly (lactic acid), which belong to the biomedical and environment-friendly fabrics. hugely illustrated, the publication introduces systematically the synthesis, actual and chemical ameliorations, and the most recent advancements of analysis and purposes of poly (lactic acid) in biomedical fabrics. The booklet is meant for researchers and graduate scholars within the fields of fabrics technology and engineering, polymer technology and engineering, biomedicine, chemistry, environmental sciences, cloth technological know-how and engineering, package deal fabrics, and so forth. Dr. Jie Ren is a professor on the Institute of Nano and Bio-Polymeric fabrics, institution of fabric technology and Engineering, Tongji college, Shanghai, China.

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After the dehydrative oligomerization of L-Iactic acid, the polycondensation of the oligo condensates and solid-phase post-polycondensation, PLLA of Mw=266 000 was obtained. Then, they carried out direct bulk polycondensation tests from L-Iactic acid without any solvent added. After optimization of the reaction conditions, PLLA with Mw= 134000 was produced by the melt polycondensation of L-Iactic acid accompanied by solid-phase post-polycondensation. In both systems, the lactidereflux was indispensable for promoting dehydration/water removal.

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