Surface morphology of drying latex films: Multiple ring formation

被引：198

作者：

Shmuylovich, L ^{[1
]}

Shen, AQ ^{[1
]}

Stone, HA ^{[1
]}

机构：

[1] Harvard Univ, Div Engn & Appl Sci, Cambridge, MA 02138 USA

来源：

LANGMUIR | 2002年 / 18卷 / 09期

关键词：

Flow of fluids - Nanostructured materials - Particle size analysis - Solutions;

D O I：

10.1021/la011484v

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

When a drop of aqueous solution containing suspended particles dries, particles accumulate at the contact line. Often the contact line undergoes a sequence of pinning-depinning events with particles accumulating whenever the contact line is pinned. These processes lead to ring formation, the details of which are examined here. In particular, we provide detailed measurements of ring formation as a function of the drop radius and the size of the suspended particles, and we report measurements of the time dependence of the essentially stochastic pinning-depinning cycles of the contact line motion.

引用

页码：3441 / 3445

页数：5