Second virial coefficient of oligo- and polystyrenes. Effects of chain stiffness on the interpenetration function
Second virial coefficient of oligo- and polystyrenes. Effects of chain stiffness on the interpenetration function
复制标题
低聚苯乙烯和聚苯乙烯的第二维里系数。
DOI：
10.1021/ma00060a016
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发表时间：
1993
期刊：
影响因子：
5.5
通讯作者：
Y. Einaga
中科院分区：
文献类型：
--
作者：
H. Yamakawa;Fumiaki Abe;Y. Einaga
以螺旋形虫状链为例，从理论上较详细地考察了链刚度对第二维里系数a2中出现的嵌穿函数Ψ的影响。该理论预测，即使对于如此大的分子量M，未扰动均方旋转半径与M的比值与M无关，链刚度也会通过对分子内和分子间排除体积相互作用的影响对Ψ产生显著影响。
The effect of chain stiffness on the interpenetration function Ψ appearing in the second virial coefficient A 2 is in some detail reexamined theoretically on the basis of the helical wormlike chain. The theory predicts that the chain stiffness has a significant effect on Ψ through those on the intra- and intermolecular excluded-volume interactions even for such large molecular weight M that the ratio of the unperturbed mean-square radius of gyration to M is independent of M.