DCP交联PBS的结晶与力学性能研究

Tianjin Science & Technology(2020)

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Abstract
通过对聚丁二酸丁二醇酯(PBS)的化学改性,研究了过氧化二异丙苯(DCP)添加量对PBS交联体系性能的影响.采用电子万能拉力机、X射线衍射法、差示扫描量热法等手段对交联后PBS的凝胶含量、力学性能、晶体结构、结晶和熔融行为进行了分析,结果表明:随DCP添加量增加,交联PBS凝胶含量增加,拉伸强度、断裂伸长率、撕裂强度先增大后减小,结晶度和熔点降低.通过交联改性提高了PBS的应用性能,为PBS在降解材料领域的应用提供了更多可选方案.
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