ADHESION CHARACTERISTICS OF PLASMA-TREATED POLYPROPYLENE TO MILD-STEEL

被引:19
作者
GUEZENOC, H [1 ]
SEGUI, Y [1 ]
THERY, S [1 ]
ASFARDJANI, K [1 ]
机构
[1] IRSID,CTR RECH UNIEUX,F-42702 FIRMINY,FRANCE
关键词
PLASMA TREATMENT; POLYPROPYLENE; STEEL; ADHESION; XPS; POLARITY; SURFACE ENERGY DISPERSIVE COMPONENT; LAP-SHEAR TEST;
D O I
10.1163/156856193X00943
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
The ability of polypropylene (PP) to adhere to mild steel depends to a large extent on the surface characteristics of both PP and steel. The adhesion of PP was improved by treatment in a cold plasma from oxidizing gases (O2, H2O, etc.). This surface functionalization was followed ex situ by means of contact angle measurements and XPS (X-ray photelectron spectroscopy) analysis. The polymer/steel assembly was fabricated by hot-pressing in vacuum, or after exposure to ambient air. Adhesion to steel, as determined by the lap-shear test, increased when the PP was treated with Ar-containing plasma gas and joined to steel after exposure to room atmosphere. Correlations between the polarity, the atomic (O/C, N/C) ratio, the dispersive component of the surface energy, and the degree of PP/steel adhesion are discussed.
引用
收藏
页码:953 / 965
页数:13
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