摘要翻译:
用蒙特卡罗模拟方法研究了在高接枝密度下接枝到平面表面的长聚合物刷的拉伸。单体密度分布明显偏离了自洽场理论预测的抛物线极限形式。观察到从抛物线型到完全拉伸聚合物的快速转变,其特征是端单体高度分布的急剧变化和刷高度与比例接枝密度的斜率的明显交叉。
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英文标题:
《The transition from highly to fully stretched polymer brushes in good
solvent》
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作者:
Ivan Coluzza and Jean-Pierre Hansen
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最新提交年份:
2007
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分类信息:
一级分类:Physics 物理学
二级分类:Soft Condensed Matter 软凝聚态物质
分类描述:Membranes, polymers, liquid crystals, glasses, colloids, granular matter
膜,聚合物,液晶,玻璃,胶体,颗粒物质
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一级分类:Physics 物理学
二级分类:Statistical Mechanics 统计力学
分类描述:Phase transitions, thermodynamics, field theory, non-equilibrium phenomena, renormalization group and scaling, integrable models, turbulence
相变,热力学,场论,非平衡现象,重整化群和标度,可积模型,湍流
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英文摘要:
The stretching of brushes of long polymers grafted to a planar surface is investigated byMonte Carlo simulations in the limit of very high grafting densities, as achieved in recent experiments. The monomer density profiles are shown to deviate considerably from the parabolic limiting form predicted by self-consistent field theory. A rapid transition is observed from parabolic to fully stretched polymers, characterized by a dramatic change in the end-monomer height distribution and by a clear cross-over in the slope of the brush height versus scaled grafting density.
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PDF链接:
https://arxiv.org/pdf/709.3409