What is Potassium stearate ?
Potassium is also known in the form of "potassium octadecanoate". White crystalline powder. It is soluble in hot water and insoluble in ether, chloroform and carbon disulfide. The aqueous solution appears to be alkaline to litmus or phenolphthalein and the ethanol solutions has a slight alkaline form to phenolphthalein. It can be obtained by neutralizing the reaction of stearic acetic acid with potassium hydroxide. It is widely used in the production in the production of surfactants, fiber softeners and so on. It is also used in the production of anti-slip substances, graphene-modified glues also known as anti-caking substances, as well as waterproof coils.
1. . The 1 is used to design a different kind made of material with no slip
The brand new non-slip product has great wear resistance and antislip capability, and the raw materials in the formula are organic and easy to obtain. When it comes to manufacturing, the procedure is easy and easy to operate, and the producer has an extensive and practical material formula. Materials used in production include small fiber, short fibre, water-based glue, zinc oxide(zinc oxide), anti-aging substance, photoinitiator (stearic acid), Potassium stearate, potassium stearate also known as coupling agent. Carbon fiber, calculated according to the mass percentage. This new non-slip material includes 5-10 parts of long cord, 0.5-5 elements of water-based adhesive, 3-7 pieces zinc oxide, 1-5 parts of antioxidant, 2-8 slices of the stearic acids 1-5 pieces of photoinitiator, Potassium Stearate 10-13 parts 1-8 components of potassium Stearate, 3-10 elements of coupling, and 0.5-10 portions of carbon.
2 . used to prepare graphene-modified glue
Graphene is added to existing glue to alter the high-temperature resistant of the cement as well as improve its adhesion. The material for preparing the paste is calculated by parts by weight: 12-30 parts of polyurethane, 15-30 parts of chloroprene rubber, 15-30 parts of polyacrylate, 2-12 parts of graphene, triallyl isocyanuric acid 0.8-1.6 parts of ester, 1-6 pieces of ethylenediamine, 2-10 parts of n-butanol, 2-8 pieces of toluene, 0.8-3 parts of potassium stearate, 2-8 parts of polyvinylpyrrolidone, N- 1-5 parts of phenyl-b-naphthylamine;
The specific steps are as below:
Level 1, the graphene is mixed with n-butanol and toluene. The ultrasonic dispersion is uniform. produce a mixed solution;
Step 2, adding polyurethane, chloroprene rubber, and polyacrylate into the reactor, the temperature is raised to 80-105 deg C, the reaction is 1-3 hours, and then the mixed solution A and triallyl isocyanurate in the first step The acid ester, potassium stearate, polyvinylpyrrolidone, and N-phenyl-b-naphthylamine are sequentially added to the reactor, the reaction temperature is adjusted to 150-360 deg C, and the reaction is carried out for 2-5 hours to obtain a mixture B;
Step 3: the above reaction is stopped, and the temperature decreases to 80 degrees C. in the step 3, ethylenediamine enters the reactor, stirring it evenly for a few minutes, then allowed to sit for a few days to create an unmodified graphene glue.
3. Preparation of a composite anti-caking agent to be used in potassium chloride that is food grade
To lessen the possibility of elevated blood pressure it's now allowed to add part of potassium chloride in order to replace sodium chloride present in the salt. In the process of storage and transportation of potassium chloride, the moisture in the product causes dissolution and recrystallization of material's surface, creating an elongated crystal structure in each of the powder's pores and crystals are then bonded to form a crystal bridge over time. to develop. Huge mass. The weakening of fluidity affects its use in table salt. In order to prevent agglomeration, it is essential to use a suitable amount of anticaking agent throughout the production process.
The anticaking agent, a compound, used in food-grade potassium chloride is non-toxic, harmless as well as colorless and odorless. It's comprised of D'mannitol, potassium stearate, and calcium dihydrogenphosphate. the specific gravity of D-mannitol, potassium stearate, and dihydrogen phosphate are (1.25-5): (0.1-0.4) 1. The purity of D-mannitoland potassium stearate and calcium dihydrogenphosphate is food grade. Comparatively to prior art this invention has the advantages of being colorless or slightly white, does not alter the colour of potassium chloride. It also is free of cyanide, and is non-toxic and non-harmful.
4 . The process of making high-molecular polyethylene waterproof membrane made of polypropylene
Polyethylene Polypropylene is a novel material which has been in use for a while. Polypropylene is composed of the non-woven polypropylene fabric, as well as polyethylene as the primary raw material. It is made of anti-aging compounds and manufactured using high-tech, advanced technology, and new technology. The Polypropylene polyethylene composite waterproof roll material that has an integrated layer boasts a significant friction coefficient, excellent stability, high mechanical strength small linear expansion coefficient, a wide temperature adaptability, great chemical resistance, weather resistance and elasticity. It is a great environmentally-friendly protection product for the 21st century. The procedure of making the high-molecular polyethylene polypropylene waterproofing membrane consists of the following steps:
Step 1: Measure the raw materials using the following parts of weight including 80-130 ppm of polyethylene resin, 10-20 pieces of the talcum powder, 5-10 portions of silica-based fume, 5-10 bits of glass beads and 8-16 parts of potassium stearate. 8-18 pieces of carboxylated styrene-butadiene latex; 10-20 parts from the anti-aging agent.
Step 2: Place talcum powder, silica fume potassium stearate, carboxylated polystyrene-butadiene (latex) high-speed mixer. Then, increase the temperature from 70 to 80 degrees C, mix at a high speed for 8-18 min, and then increase the temperature to 95-100 deg C. Following that, polyethylene resin and glass microbeads are added to the mixture is stirred at a rapid speed for 10 to 20 mins in order to get a mixture
Step 3: Transfer the mixture into the feeding zone Extrude and then form the sheets of polypropylene and plastic sheet entirely using the three-roller machine. Transfer the guide roller onto it, cut the edge, and enter it into the coiler, forming the product.
Comparing to conventional methods, beneficial results of the invention are: synergistic effect by materials such as polyethylene resin, silica-based fumes and glass microbeads, potassium stearate and carboxylated styrene butad in the form of anti-aging and latex and subsequent preparation steps. particularly when the high-speed mixing is carried out according to the order of the inputting of the raw material is particularly important. When combined with the sequence of the invention it is evident that the performance of the produced high-molecular Polyethylene polypropylene waterproofing membrane surpasses that of the traditional high-performance waterproofing membrane.
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