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- W2023485008 abstract "The development of synthetic biodegradable polymers, such as poly(α-hydroxy acid), is particularly important for constructing medical devices, including scaffolds and sutures, and has attracted growing interest in the biomedical field. Here, we report a novel approach to preparing high molecular weight poly(malic acid) (HMW−PMA) as a biodegradable and bioabsorbable water-soluble polymer. We investigated in detail the reaction conditions for the simple direct polycondensation of l-malic acid, including the reaction times, temperatures, and catalysts. The molecular weight of synthesized α,β-PMA is dependent on both the reaction temperature and time. The optimum reaction condition to obtain α,β-PMA by direct polycondensation using tin(II) chloride as a catalyst was thus determined to be 110 °C for 45 h with a molecular weight of 5300. The method for α,β-PMA synthesis established here will facilitate production of α,β-PMA of various molecular weights, which may have a potential utility as biomaterials." @default.
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- W2023485008 date "2003-11-11" @default.
- W2023485008 modified "2023-09-30" @default.
- W2023485008 title "Improved Synthesis with High Yield and Increased Molecular Weight of Poly(α,β-malic acid) by Direct Polycondensation" @default.
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- W2023485008 doi "https://doi.org/10.1021/bm0342990" @default.
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