共混比对反式聚异戊二烯/聚丁二酸丁二醇酯形状记忆共混物性能的影响
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摘要
研究了共混比对反式聚异戊二烯(TPI)/聚丁二酸丁二醇酯(PBS)共混物物理机械性能和形状记忆性能等的影响。结果表明,在TPI/PBS共混物中,随着PBS用量的增加,共混物的交联密度逐渐减小,物理机械性能下降,热刺激相应温度和形状恢复率整体也呈下降趋势。当TPI与PBS质量比为90/10时共混物的综合性能较为优异。增容剂CPE的加入可改善TPI与PBS两相的相容性,使共混物的物理机械性能和热致形状记忆性能得以有所提高。
The influence of blending ratio on the mechanical properties and shape memory performance of trans-polyisoprene( TPI)/poly( butylene succinate)( PBS) blends was studied. The results showed that crosslinking density,mechanical properties,shape stimulation temperature and shape recovery ratio of TPI/PBS blends all decreased with increasing PBS amount. The comprehensive properties of the blends were better when the mass ratio of TPI/PBS was 90/10. The mechanical properties and shape memory performance of the blends were improved after the incorporation of compatibilizer CPE.
The influence of blending ratio on the mechanical properties and shape memory performance of trans-polyisoprene( TPI)/poly( butylene succinate)( PBS) blends was studied. The results showed that crosslinking density,mechanical properties,shape stimulation temperature and shape recovery ratio of TPI/PBS blends all decreased with increasing PBS amount. The comprehensive properties of the blends were better when the mass ratio of TPI/PBS was 90/10. The mechanical properties and shape memory performance of the blends were improved after the incorporation of compatibilizer CPE.
引文
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