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The modification of hydrogenated castor oil with amide was stopped. After amide modification, hydrogenated castor oil successfully improved the anti-solvent grade of industrial coatings. Over the years, these rheological agents have been successfully applied to various industrial coatings, especially heavy-duty anti-corrosion coatings and marine coatings, but these rheological agents still have defects such as false thickening when used. The new type of special amide modified hydrogenated castor oil, rheological agent, has better performance, is more convenient to use, can adapt to a more common solvent range, the coating has good storage properties, good coating performance and anti-sagging ability, long-term Storage has no obvious influence on the gloss of the coating film. A good application area is high solids coatings that are easy to sag during application. The rheology of high-solid coatings is difficult to control, because the relatively low molecular weight alkyd (there is a small amount of solvent in the coating) hardly increases in viscosity during solvent evaporation. In addition, the rheological agent can not make the viscosity of the coating too large, because the viscosity is too large, it is difficult to paint. Compare the effects of CR Super and easily dispersible organic clay. Highly thixotropic organic clay can also have its sag resistance, but the viscosity is too large during coating and the leveling property becomes poor. And CR Super can meet these requirements with a small amount of addition, especially the viscosity is not high and it can effectively resist sag.
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