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γ辐射对麦秸粉/PBSPBAT复合材料性能的影响

, PP. 925-930

Keywords: 麦秸粉,聚丁二酸丁二醇酯,聚己二酸-对苯二甲酸丁二醇共聚酯,辐射,复合材料

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Abstract:

为了提高聚丁二酸丁二醇酯(PBS)基复合材料的性能,降低生产成本,采用熔融共混法制备了麦秸粉/PBS-聚己二酸-对苯二甲酸丁二醇共聚酯(PBAT)复合材料,利用60Co-γ射线对该复合材料进行了辐射改性。研究了辐射改性对麦秸粉/PBS-PBAT复合材料力学性能、热稳定性和热变形温度的影响,并采用FTIR和SEM表征了复合材料的结构和断面形貌。结果表明:当三烯丙基异氰脲酸酯(TAIC)的含量为1wt%时,复合材料经30kGy剂量辐射后,其拉伸强度、弯曲强度和冲击强度分别提高了20%、23.5%和6.5%;辐射改性提高了复合材料的高温分解速率,使其热变形温度上升了约11℃,并增强了复合材料组分间的粘结性。

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