网络链缠结效应的聚电解质水凝胶化-力耦合大变形自由能密度函数
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摘要
水凝胶作为一种新型智能高分子材料,由于其具有大变形能力,并且具有良好的生物相容性,可降解性等优势,收到广大科研工作者的极大关注。实际聚电解质水凝胶在电化学环境中的溶胀过程是化学-力学共同作用的结果,并且收到聚合物本身性质的影响。本文通过综合考虑聚合物链缠结效应以及交联点官能度的影响,并引入离子相作用,构造了一种与实际更为自由能密度函数。
引文
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[2]Yan H X,Jin B.Influence of microstructural parameters on mechanical behavior of polymer gels.International Journal of Solids and Structures,2012,49:436-444.
[3]Edwards S F,Vilgis T A.The effect of entanglements in rubber elasticity.Polymer,1986,27:483-492.
[4]Hong W,Zhao X H,Zhou J,Suo Z G.A theory of coupled diffusion and large deformation in polymeric gels,Journal of the Mechanics and Physics of Solids,2008,56:1779-1793.