Effect of film thickness and particle size on cracking stresses in drying latex films

被引：49

作者：

Yow, Huai Nyin ^{[1
]}

Goikoetxea, Monika ^{[2
]}

Goehring, Lucas ^{[1
]}

Routh, Alexander F. ^{[1
]}

机构：

[1] Univ Cambridge, BP Inst, Dept Chem Engn & Biotechnol, Cambridge CE3 0EZ, England

[2] Univ Basque Country, Inst Polymer Mat, Joxe Mari Korta Ctr, E-20018 San Sebastian, Spain

来源：

JOURNAL OF COLLOID AND INTERFACE SCIENCE | 2010年 / 352卷 / 02期

基金：

英国工程与自然科学研究理事会;

关键词：

Latex film formation; Beam bending; Film thickness; Particle size; EVOLUTION; TEMPERATURE; POLYSTYRENE; STABILITY;

D O I：

10.1016/j.jcis.2010.08.074

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The stress at which latex films crack during drying was investigated using beam bending Two systems were investigated (i) poly( methyl methacrylate/butyl acrylate) particles cast as thin films to examine the effect of film thickness on cracking film stress and (ii) polystyrene particles dried as drops to investigate the effect of particle size Results indicated an inverse relationship between film thickness and film stress whilst film stress was shown to be independent of the original particle size These outcomes were in good agreement with Tirumkudulu and Russel s theoretical analysis [M S Tirumkudulu and W B Russel Langmuir 21 (2005)4938] albeit the measured stress values were almost twice the theoretical estimation (C) 2010 Elsevier Inc All rights reserved

引用

页码：542 / 548

页数：7

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