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Adhesion

The problem of adhesion for polymer materials is well known. Every new polymer material to be incorporated in a device needs an estimation of adhesion ability and, in most cases, a selection of the appropriate surface modification method for adhesion improvement, for example energetic ion treatment. Commonly, there are about 20 theories of adhesion, all based on different interfacial interaction mechanisms. The key phenomena underpinning these theories can be classified as: mechanics, wettability, surface energy, thermodynamics, adsorption, chemical bonds, electrical adhesion, electrostatics, diffusion, weak layers, and others. Each of these theories describes the behavior of interfacial strength for different adhesion phenomena, adhesion ...

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