Pigment having surface treated with hydrogenated lecithin
专利汇可以提供Pigment having surface treated with hydrogenated lecithin专利检索，专利查询，专利分析的服务。并且PURPOSE:To obtain a water-repellent finished pigment which does not irritate the skin, has a moisture effect, is smooth and can be well spread, by treating the surface of a pigment or an extender pigment with hydrogenated lecithin. CONSTITUTION:The surface of a pigment or an extender pigement is treated or uniformly coated with hydrogenated lecithin. Examples of hydrogenated lecithin are those having an iodine value of 30 or below obtd. by hydrogenating synthetic lecithin or natural lecithin extracted from egg yolk, soybean, corn or rapeseed. The starting lecithin to be hydroganated must be chosen from those which are of high quality and neither oxidized nor discolored. The hydrogenated lecithin is completely adsorbed by the surface of the pigment in such a manner that 0.1-2 equivalents of a 1-30% aq. soln. of a soluble salt such as Al, Mg, Ca, Zn, Zr or Ti is added to the hydrogenated lecithin, whereby an insoluble metal salt of the hydrogenated lecithin is formed and completely adsorbed by the surface of the pigment.，下面是Pigment having surface treated with hydrogenated lecithin专利的具体信息内容。
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