By Vladimir Kestelman, Roman Veslovsky

If you'd like a common knowing of polymer adhesion, this publication isn't for you. it really is for the complicated reader and is overestimated!

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They can be applied on wet surfaces because, in the course of applying the coating, water on the surface of the solid body emulsifies in the coating and is removed during drying. Nevertheless, it should be pointed out that there is comparatively little evidence of adhesion enhancement when surfactant is added to adhesives and paints. In the majority of cases, addition of surfactant to polymer results in decrease of adhesion—in practice this is frequently used to obtain coatings that hinder aircraft icing, compounds for removing paints, and so on.

3). Let us review the information acquired. As shown above, the solubility of PR in the system is higher than that of OAA. At the beginning of the reaction when the PR concentration is low, the PR are in the molecular-dispersed state, which is why they do not affect the determined size of the colloid particles in the system. As Fig. 5 shows, in the early stages of the reaction there is an abrupt decrease of the particle concentration while their size does not change significantly. Once the concentration of the PR molecules formed exceeds CCMF, a decrease of the particle size is observed such that the size of the PR aggregates is smaller than that of OAA.

Later we will consider this in detail. As was noted above, if the rate of aggregation of the surfactant molecules is higher than or equal to the rate of polymerization, the system surface tension alters during polymerization in the same way as in the course of the equilibrium process. At a high rate of polymerization, the formation of micelles of the maximum possible size can be hindered by the rapid increase of the system viscosity. In this case, when an IS substance is applied the split into two phases is not observed and the system appears to be more oversaturated by surfactant than in the first case.

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