Influence of rheology and surface properties in the adhesion of uncross-linked pressure sensitive adhesives

被引：0
作者：
Jean-Michel Piau
Claude Verdier
Lazhar Benyahia
机构：
[1] Laboratoire de Rhéologie Université Joseph Fourier 1,Institut National Polytechnique de Grenoble CNRS (UMR 5520)
来源：
Rheologica Acta | 1997年 / 36卷
关键词：
Adhesion; peel; master curves; mechanisms; elongation; surface energy;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We consider the adhesion of a pressure sensitive adhesive on different substrates (Pyrex, stainless steel, Plexiglas). First, we characterize the rheological properties of the adhesive material and compare it with the predictions of Lodge's model. Then we investigate the adhesive properties using a special machine which enables us to peel at 90° with a fixed peeling front and we construct peeling master curves on different substrates. The mechanisms of peeling are analyzed by looking at the peeling front using a video camera. We realize that the flow within the filaments and ribs observed is mainly of elongational type. Also, by looking at the shape of the backing, we find out that most of the energy is spent within the ribs or filaments.
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页码：449 / 461
页数：12
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