Aqueous calcium stearate dispersion containing 40 to 55 percent solids is a preferred starting material. Aqueous calcium stearate dispersions are typically prepared by reacting stearic acid with aqueous hydrated lime slurry in the presence of convent...…
This invention provides a urea-free, high solids content aqueous calcium stearate dispersion suitable for use as an additive in paper or paperboard coating formulations. More particularly, this invention provides a urea-free aqueous calcium stearate ...…
Aqueous calcium stearate dispersions have long been used as additives in paper coating formulation, the calcium stearate imparting lubricating, leveling, and anti-dusting properties to the coating formulation. Since it is preferable in the paper-maki...…
Moisture and aggressive ions transferring into concrete harm the durability of reinforced concrete structures. To tackle this problem, damp-proofing admixtures, like calcium stearate, can be incorporated into the concrete mixture design to restrict w...…
In a preceding paper, it was found that, during coating with solutions of a stearin salt in water, whatever the concentration used, a considerable part of the PCC surface remains free, indicating the development of an incomplete monolayer. This was e...…
What is Water-based calcium stearate?Calcium stearate lubricant is a water-insoluble metallic soap class surfactant. Generally, it is made as an aqueous liquid dispersion. Water-based calcium stearate refers to water-based calcium stearate, also know...…
The invention relates to a water-based dispersion and a preparation method, wherein the water-based dispersion takes calcium stearate as the main component and is used for papermaking. The dispersion is mainly used as an auxiliary, a functional auxil...…
Another kind is the two-step method, and preparation calcium stearate powder is distributed to the calcium stearate powder under the effect of auxiliary agents such as surfactant in the water more uniformly earlier, grinds at last. This method is sim...…
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 ...…
The invention discloses a method for preparing a calcium stearate water-based dispersion liquid. The method comprises the following steps: adding water and an emulsifier, dispersant, and 20-40% of the total content of a defoaming agent in a reaction ...…
Calcium stearate is an organic compound with molecular formula C36H70CAO4; the white powder is insoluble in water and can be used as a waterproof, lubricant, and plastic auxiliary tool. Calcium stearate is calcium carboxylate and is divided into calc...…
What is Water-based calcium stearate?Water-based calcium stearate is used as a white emulsion; it has a slight special smell and a slippery feel when it comes in contact with the skin. This product is mutually soluble in water, ethanol, or ether and ...…
Foam concrete is prone to cracking during maintenance, mainly caused by unscientific construction and maintenance of the proportioning. Luchuang has a series of solutions. In the years of construction, Luchuang has accurate material proportions for d…
Since the beginning of this year, people around the world have felt the pressure of rising prices. Not only the rise in oil prices but also different industries have seen soaring prices. According to the latest data, from August 2021 to the present,…
What is WS2 p owder? Tungsten disulfide is an inorganic compound with the formula WS2 and molecular weight 247.97. Gray with the metallic luster of fine crystals or powder, belonging to the hexagonal crystal system, semiconductor, and diama…
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