Technology progress of polyarglycolic acid on coal based
Technology progress of polyarglycolic acid on coal based
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发表时间：
2011
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通讯作者：
Cui Aijun
中科院分区：
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作者：
Cui Aijun
本文结合煤化工的发展，阐述了开发聚乙醇酸产品的重要性。介绍了PGA的阻隔性能、加工性能、生物降解、广泛应用和商业化。根据文献对聚乙二醇酸树脂的各种制备方法进行了比较，讨论了直接缩聚和开环聚合两种合成路线的催化剂和聚合条件，并综述了几种改性方法在聚乙二醇酸树脂中的应用。此外，针对国内新型PGA材料的发展趋势，展望了该领域的发展前景。
In this paper,the importance of developing polyglycolic acid(PGA)product is presented in light of the progress of coal chemical industry.The barrier property,machining performance,biodegradation,wide use and commercialization of PGA are introduced.Various preparation methods about polyglycolic acid resin are compared according to literature,and two synthesis routes of direct polycondensation and ring-opening polymerization are discussed with respect to catalysts and polymerization conditions,and several modification methods of PGA applications are also reviewed.Furthermore,regarding the development trend of new PGA materials in China,the attractive future in this field is prospected.