A biodegradable plastic composition which can be stably adjusted in biodegradation rate, and has greatly improved resistance to hydrolysis and weather, in particular the former, and durability resulting from the improved resistances; a molded article thereof; and a method for controlling biodegradation rate using the same composition. The biodegradable plastic composition comprising (A) 100 parts by weight of biodegradable plastic, (B) 0.01 to 10 parts by weight of a carbodiimide compound and (C) 0.01 to 10 parts by weight of at least one compound selected from the group consisting of benzotriazole-, triazine- and hydroxylamine-based one; the molded article thereof; and the method for controlling biodegradation rate using the same composition.
一种可
生物降解的塑料组合物,它可以稳定地调节
生物降解率,并大大提高了抗
水解性和耐候性,特别是前者,以及由于抗
水解性和耐候性的提高而产生的耐久性;其模压制品;以及使用相同组合物控制
生物降解率的方法。
生物可降解塑料组合物,包括(A)100 重量份的
生物可降解塑料,(B)0.01 至 10 重量份的碳化二
亚胺化合物和(C)0.01 至 10 重量份的至少一种选自苯并三唑基、三嗪基和
羟胺基化合物组的化合物;其成型品;以及使用相同组合物控制
生物降解率的方法。