Peel adhesion and viscoelasticity of poly(ethylene-co-vinyl acetate)-based hot melt adhesives. II. The influence of wax

被引：0
|
作者：
Shih, H.-H. [1 ]
Hamed, G.R. [1 ]
机构：
[1] Univ of Akron, Akron, United States
来源：
| 1997年 / John Wiley & Sons Inc, New York, NY, United States卷 / 63期
关键词：
Experimental; (EXP);
D O I：
10.1002/(SICI)1097-4628(19970118)63:33.0.CO;2-O
中图分类号：
学科分类号：
摘要：
The influence of wax on the viscoelasticity and peel adhesion of poly(ethylene-co-vinyl acetate) (EVA)-based hot melt adhesives was evaluated. Wax does not affect the glass transition temperature of a homogeneous EVA/rosin blend. However, for a heterogeneous EVA/rosin blend, wax addition increases the EVA-rich phase portion, resulting a higher rubbery response. The T-Peel fracture energies of EVA/tackifier/wax blends bonded to polypropylene film are controlled by two factors: (1) a weak boundary layer of wax, which has a deleterious effect on bonding, and (2) on the other hand, an increased rubbery response in the stick-slip region, which tends to strengthen joints.
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