Calcium stearate can also be as flatting agent


Calcium stearate can also be used as a flatting and waterproofing agent in coating material production. Good lubricity is widely used in paper making, applying lubricating agents and perchloroethylene heat stabilizer fields. Accompanied by the rapid development of plastics, coating, paper machine petroleum chemical industry, the demand for calcium stearate increases year by year, and market prospects are still expected. Calcium stearate has water-insoluble matter; to increase its dispersed uniform and good flowability, it generally is made into aqueous liquid dispersion and used when using as a lubricant. Currently, the preparation method of calcium stearate aqueous liquid dispersion is divided into two kinds. A kind of a one-step method, another auxiliary agent of calcium salt or calcium hydroxide, stearic acid, emulsifying agent, and some are synthetic through one step of the reaction; the prepared product cut size of this method is little, but the reaction is difficult to reach fully, in addition having relatively high expectations to additives such as dispersant, emulsifying agents under the condition of long-term heating. Chinese patent application 201110076884.5 discloses a kind of preparation method of nonionic calcium stearate aqueous liquid dispersion; it adds water according to a certain percentage, stearic acid, emulsifying agent A, emulsifying agent B, emulsion adjuvant, the protecting colloid aqueous solution, defoamer, bactericide, electrolytic salt be in a container; heat temperature raising to 85 then; quick stirring and emulsifying; after the constant temperature emulsification 1 hour; reduce mixing speed again; the basifier that slowly adds certain proportional quantity; constant temperature stirred 3 hours; be quickly cooled to room temperature then, namely obtain target product. This method needs 5 hours at least and consumes a longer time. If you are looking for high quality, high purity, and cost-effective Water-based calcium stearate, or if you require the latest price of Water-based calcium stearate, please feel free to email contact mis-asia.

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