ADHESION MECHANISM OF POLYVINYL CHLORIDE TO SILANE PRIMED METAL SURFACES.

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作者
Chaudhury, M.K. [1 ]
Gentle, T.M. [1 ]
Plueddemann, E.P. [1 ]
机构
[1] Dow Corning Corporation, MI 48686, Midland, United States
关键词
ADHESION - Testing - METALS AND ALLOYS - Bonding - SILANES;
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摘要
The interface of partially hydrolyzed organosilane primer Dow Corning Z-6020 left bracket N-(-2-aminoethyl-3-aminopropyl trimethoxy silane right bracket , which is referred to in this paper as simply AEAPS, and polyvinyl chloride (plastisol) was examined by XPS (X-ray photoelectron spectroscopy) depth profile analysis. These studies and the adhesion strength measurements under dry and wet conditions showed that the net bond strength and its resistance to moisture are determined by two factors: the extent of crosslinking of the primer and the interdiffusion of the two phases. Best adhesion is achieved as a result of the optimal balance between the above two conflicting tendencies, i. e. when the primer crosslinks after it has diffused into the polymer.
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页码:29 / 38
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