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发明公开
CN102321249A 一种热塑性淀粉和生物降解聚酯/淀粉复合材料及其制备 有权 转让

一种热塑性淀粉和生物降解聚酯/淀粉复合材料及其制备
摘要：
本发明提供一种热塑性淀粉，所述热塑性淀粉(TPS)包括如下组分：20～80重量份的淀粉；5～40重量份的生物降解聚酯预聚物；所述预聚物的分子量为10,000～100,000道尔顿，粘数范围从0.30至1.2分升/克，以乌氏粘度计法测定；熔点范围从60至180℃；且所述预聚物的末端反应基团含量为1.0～20.0meq/Kg，以末端基滴定法测定；0.01～10重量份的反应活性剂；0.01～1.0重量份的催化失活剂；0.01～1.0重量份的抗氧化剂；5～50重量份的助剂。本发明还提供含所述热塑性淀粉的生物降解聚酯/淀粉复合材料及其制备方法。
摘要（英）：

The invention provides thermoplastic starch (TPS), which comprises the following ingredients: 20 to 80 weight parts of starch, 5 to 40 weight parts of biodegradable polyester prepolymers, 0.01 to 10 weight parts of reaction active agents, 0.01 to 10 weight parts of catalytic devitalizing agents, 0.01 to 1.0 weight part of antioxidant and 5 to 50 weight parts of auxiliaries, wherein the molecular weight of the prepolymer is 10,000 to 100,000 Daltons, the viscosity number range is 0.30 to 1.2 deciliters per gram and is measured through a Ubbclohde viscosity method, the melting point range is 60to 180 DEG C, and the end reaction group content is 1.0 to 20.0 meq/Kg and is measured by an end group titration method. The invention also provides a biodegradable polyester/starch composite material containing the thermoplastic starch and a preparation method thereof.

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