Scaling Laws in Supramolecular Polymer Networks

被引：78
|
作者：
Xu, Donghua
Craig, Stephen L. [1 ]
机构：
[1] Duke Univ, Dept Chem, Durham, NC 27708 USA
来源：
MACROMOLECULES | 2011年 / 44卷 / 13期
关键词：
SHEAR-THICKENING BEHAVIOR; CROSS-LINKED NETWORKS; VISCOELASTIC PROPERTIES; ASSOCIATIVE POLYMERS; DYNAMICS; COORDINATION; VISCOSITY; CHAINS;
D O I：
10.1021/ma200096s
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The linear rheological properties of networks formed by adding bis-Pd(II) cross-linkers to poly(4-vinylpyridine) (PVP) solution are examined, and the scaling law relationships between the zero shear viscosity (eta(0)) of the networks versus the concentration of PVP solution (C(PVP)), the concentration of cross-linkers (C(X)), and the number density of elastically active chains (v(phantom)) are experimentally determined. The scaling law relationships are compared to the theoretical expectations of the sticky Rouse and sticky reptation models [Macromolecules 2001, 34, 1058-1068], and both qualitative and quantitative differences are observed.
引用
收藏
页码：5465 / 5472
页数：8
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