南通大学纺织服装学院;南通大学杏林学院;
制备了聚乳酸(PLA)与聚酰胺弹性体(PAE)复合增韧体系,研究了其在低温强迫高弹形变后的形状记忆效应,并对复合材料形状记忆机理给出了合适的理论解释.考察了PAE弹性体含量、回复温度、应变量等因素对复合材料形状记忆效应的影响.研究结果表明:随着PAE弹性体的增加,复合材料的形状回复率大幅度下降;应变量降低时,复合材料形状回复率和拉伸强度回复率随之增高;回复温度高于70℃时,形状回复率高达90%以上,而且随着回复温度的继续升高,形状回复率变化幅度不大,但可使形状回复时间缩短.
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| 下载次数 | 被引频次 | 阅读次数 |
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基本信息:
DOI：
中图分类号:TG139.6
引用信息:
[1]张伟,魏发云,张瑜.PLA/PAE复合材料的形状记忆效应及机理研究[J],2012,11(02):52-56+67.
基金信息:
南通市生物技术和新医药计划项目(AS2011022);; 南通大学自然科学基金前期预研项目(11ZY014)