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Jul 3, 2017
Silicone insulating powder coating
Silicone insulation coatings available siliconeresin or a silicone-modified epoxy resin, silicone-modified polyester filmmaterial, mainly varnishes and enamels classes, both high temperature curingtype, there are also low-temperature curing type. In a wide frequency range,the dielectric constant and dielectric loss is very small, and small changeswith temperature. At present, most silicone-modified epoxy resins are liquid,powder coating is difficult to meet the requirements. Use of modified epoxyresin hydroxy silicone oil, insulating powder coating formulated and studiedthe electrical properties of the silicone-modified epoxy resin. The resultsshow that the silicone successfully grafted onto the epoxy chain molecularweight of 5000, after the film prepared by high-pressure cooking, excellentelectrical properties, the resin can be used in the insulating powder coatings.