Water-based stearic acid amide emulsion and preparation method thereof

Abstract

The invention provides a water-based stearic acid amide emulsion. The water-based stearic acid amide emulsion comprises, by weight, 60-70 parts of deionized water, 30-40 parts of stearic acid amide, 3-7 parts of a wetting dispersant, 1-3 parts of an emulsifier, 0.5-1.5 parts of a crosslinking agent, 1-3 parts of a water-based defoaming agent, 0.6-1 part of a suspending agent and 1-1.4 parts of a bactericide. A preparation method of the water-based stearic acid amide emulsion comprises the steps of adding the deionized water in a dispersion pot; heating and stirring; adding the wetting dispersant, the emulsifier, the crosslinking agent, the bactericide and the suspending agent; dispersing and emulsifying the above materials; adding the water-based defoaming agent; adding stearic acid amide; grinding into particles with the particle size of 0.5-1 micrometer after stearic acid amide is completely emulsified; and discharging and packaging the materials. The method provided by the invention is simple in process, reasonable in process parameters and low in preparation cost, and realizes micro-particulation of stearic acid amide. The solid content of stearic acid amide particles in the emulsion is high. The emulsion is low in viscosity and uniform, has ideal enhancing and lubricating effects, can be stored for a long time without changing quality, does not appear phenomena of flocculation stratification, has no foam during the production, and is ideal in product quality.

Description

technical field [0001] The invention relates to an aqueous stearic acid amide emulsion, in particular to an aqueous stearic acid amide emulsion and a preparation method thereof, and belongs to the technical field of sensitizers and lubricants. Background technique [0002] At present, water-based stearic acid amide is mainly used as a lubricant for special coated paper, textile auxiliaries, a sensitizer for thermal paper and a release agent for rubber, etc. Since stearic acid amide is insoluble in water, it is dispersed in particles It plays a role in the use system, so the size of the particle size will directly affect the dispersion effect of the active ingredients. The usual water-based fatty acid amide has a large particle size, is not easy to disperse, and is easy to precipitate. The use effect is not ideal. It is difficult to use it in ordinary production processes Stearic acid amide can be micronized. At the same time, stearic acid amide is also a substance that is hi...

AI Technical Summary

Problems solved by technology

[0003] Chinese patent, the patent number is 200610096472.7, and the name is "ultrafine stearic acid amide aqueous emulsified dispersion and its manufacturing method" provides a kind of ultrafine stearic acid amide aqueous emulsified dispersion and its manufacturing method, the method manufactured The stearic acid amide water-based emulsified dispersion has poor emulsification effect due to poor compatibility of its components, and the dispersion will appear flocculation and stratification when stored for a long time, and the stability of the product is not good; When the viscosity is high, a lot of foam will be generated, and the product quality is not ideal