Synthesis of poly(propylene fumarate).

Synthesis of poly(propylene fumarate).
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DOI:
10.1038/nprot.2009.24
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发表时间:
2009
期刊:
影响因子:
14.8
通讯作者:
--
中科院分区:
生物学1区
文献类型:
--
作者:

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本方案描述了富马酸二乙酯和丙二醇经富马酸双羟丙酯的两步反应合成500-4000 Da聚富马酸丙二酯。纯化的PPF可以共价交联形成可降解的聚合物网络,在生物医学应用方面得到了广泛的探索。交联型PPF网络的性质取决于组成聚合物的分子性质,如分子量。反应物的纯度和反应体系中的水的排除对于产生高相对分子质量的PPF产品是至关重要的。此外,反应时间和温度对产物的相对分子质量也有影响。完成此方案所需的预期时间为3天。
This protocol describes the synthesis of 500 – 4000 Da poly(propylene fumarate) by a two-step reaction of diethyl fumarate and propylene glycol through a bis(hydroxypropyl) fumarate diester intermediate. Purified PPF can be covalently crosslinked to form degradable polymer networks, which have been widely explored for biomedical applications. The properties of crosslinked PPF networks depend upon the molecular properties of the constituent polymer, such as the molecular weight. The purity of the reactants and the exclusion of water from the reaction system are of utmost importance in the generation of high-molecular-weight PPF products. Additionally, the reaction time and temperature influence the molecular weight of the PPF product. The expected time required to complete this protocol is 3 d.
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