It introduced biodegradable mechanism of polymer materials, summarized the study and application of the biodegradable polymer materials and forecasted the future direction of study.
介绍了高分子材料生物降解机理，概述了生物降解材料的研究和应用情况，并展望了将来的研究方向。
Biodegradable polymer materials had good biocompatibility. Polymer and degradation product had small toxicity to the body, which become new drug major carriers of microsphere formulations.
可生物降解高分子材料具有良好的生物相容性。聚合物和降解产物对机体毒副作用小，已成为微球等新药物剂型的重要载体材料。
Biodegradable polyesters are polymer materials, they can be synthesized by chemical methods, enzymatic-catalysis and ferment.
生物可降解聚酯是一种新型高分子聚合材料，可通过发酵、化学方法和酶催化来合成。
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