Surface and protective properties of dispersions of film-formers
1982
This article reports on studies of the surface and protective properties of 20% dispersions of film-formers most typically used in film-forming inhibited petroleum-base compositions (FIPC): solid hydrocarbons, fatty acid soaps, asphalt, polymers, natural resins, modified vegetable oils, and an inorganic thickening agent. Investigates the dispersions of Butosil and lithium stearate at respective concentrations of 10% and 8%, in view of the high thickening power of these film-formers. Classifies all of the studied FIPC film-forming components into 2 groups: those wth little thickening effect, a low level of adhesion-cohesion interaction, and a high level of surface and protective properties (the oxidized solid hydrocarbons and the polymers); and the film-formers that have a large thickening effect, a high level of adhesion-cohesion interaction, and a low level of surface and protective properties (the fatty acid soaps, the solid hydrocarbons, and Butosil). Recommends combining film-formers of both groups in developing new grades of FIPCs.
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