Starting from natural amino acid, diphenol having a phenolic hydroxyl group was synthesized. Using the diphenole as comonomer, a biodegradable epoxy resin in which contain amide group.

用天然氨基酸为起始材料， 合成了一种具有双酚羟基官能团的环肽，并以此环肽为联酚合成了主链包含酰胺键的可生物降解环氧树脂。

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Sirolimus is a kind of anti-proliferation drug, and acrylate resin is a kind of universal non-degradable biomaterial, moreover, PLGA is a kind of biodegradable medical polymer.

雷帕霉素是一种抗增生型药物，丙烯酸树脂是一种通用的非降解型医用高分子材料，而PLGA是一种常用的可降解医用高分子材料。

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The rack may be formed of a variety of biodegradable, compostable materials, including for example molded polypropylene or organic resins such as a corn-based resin or potato-based resin.

该支架可由各种可生物降解、可堆肥材料形成，包括例如模制聚丙烯或有机树脂例如基于谷物的树脂或基于马铃薯的树脂。

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