Article | REF: BM7612 V2

The adhesive tape

Authors: Frédéric FORTIER, Stéphanie CLOUET

Publication date: October 10, 2011

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2. Membership theory

2.1 Notions of adhesion and cohesion

A distinction must be made between adhesion and cohesion (figure 4 ). The strength of a bonded assembly depends directly on :

  • the internal cohesive force of the adhesive ;

  • compatibility between adhesive and substrates, the ability of the adhesive to wet the surfaces of each substrate;

  • the internal cohesive forces of the substrates.

Adhesion (expressed in N/m) depends on the nature of the adhesive, the nature of the substrates (more or less easy to bond depending on surface energy) and time (rise in adhesive performance)....

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