[Extra Quality] Mecanismos Y Dinamica De Maquinaria Mabie Solucionario !NEW!



[Extra Quality] Mecanismos Y Dinamica De Maquinaria Mabie Solucionario

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This blog allows the mecanismos y dinamica de maquinaria mabie solucionario (Mabie) his. mecanismos y dinamica de maquinaria mabie solucionarioThis invention relates to antifoulant compositions for use in paint which are effective to prevent the formation of a slime or scum which is objectionable on the exterior surfaces of marine vessels. More particularly, it relates to such compositions containing a pigment or dye, a water-soluble alkali metal salt of an organic carboxylic acid and a polyoxyalkylene polyamine having a functionality of between 2 and 4.
Antifouling paints have been used for many years in marine applications. In the past, these paints have generally consisted of a water-insoluble film-forming binder material having dispersed therein a finely divided antifouling pigment. The film-forming binder is generally a polymeric material, such as a polyurethane, a vinyl copolymer, epoxy resin, polychloroprene, a chlorinated rubber or a mixture thereof. The binder is generally cross-linked with the addition of a polyisocyanate such as toluene diisocyanate or methylene diphenyl diisocyanate, and a curing agent such as a polyol. The pigment is preferably a zinc pyrithione, but can also be comprised of cuprous oxide, aluminum trihydrate, etc.
In practice, antifouling paint is applied to a substrate, such as a boat hull, by any of various methods well known in the art. Depending on the substrate, the size of the area to be treated and the cost considerations, the treatment can be applied by brushing, wiping, spraying, dipping or rolling, etc. However, these methods, which have been satisfactory for general application, have generally not been found to be particularly satisfactory for coating portholes. In spite of the fact that the interior surfaces of marine vessels are subject to the same kinds of problems of fouling as are hulls, the application of antifouling paint to the exterior surfaces, such as portholes, of marine vessels has not been so successful heretofore. For example, when an antifouling composition containing the aforementioned zinc pyrithione as the biocidal agent, was applied to the glazed surfaces of portholes by a wiping process, it has been found that the film of


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