BIODEGRADABLE COMPOSITION
收藏国家林业和草原科学数据中心2023-02-12 更新2024-03-07 收录
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PROBLEM TO BE SOLVED: To provide a biodegradable composition which is not only biodegradable， but also can improve a heat distortion temperature， impact strength， and tensile strength. SOLUTION: Provided is a biodegradable composition， comprising: 5 wt.% to 90 wt.% of polylactic acid (PLA); 5 wt.% to 80 wt.% of vegetable fibers; and 5 wt.% to 70 wt.% of maleic acid anhydride-grafted polybutylene succinate (PBS-g-MA)， acrylic acid-grafted polybutylene succinate (PBS-g-AA)， or a decane-grafted polybutylene succinate coupling agent (PBS-g-Silane). Therefore， articles produced according to the present invention are not only biodegradable but also can improve a heat distortion temperature， impact strength， and tensile strength. Also， by controlling a ratio of each component， it becomes possible to control compatibility between each component and to accelerate crystallization of polylactic acid. SELECTED DRAWING: Figure 1
提供机构：
国家林业和草原科学数据中心
创建时间：
2023-02-12
