11 results about "Sodium stearate" patented technology

This invention discloses an aramid fiber reinforced solid conveyor belt and its preparation method, relating to the field of conveyor belt technology. Specifically, it includes the following steps: S1: Aramid fiber cloth passes through a continuous plasma surface treatment machine at a uniform speed, and its upper and lower surfaces are subjected to plasma activation treatment to obtain modified aramid fiber cloth; S2: (1) Natural rubber, styrene-butadiene rubber, chloroprene rubber, ethylene propylene diene monomer (EPDM) rubber, terpene phenolic resin, modifier, modified filler, bis-[3-(triethoxysilyl)propyl]tetrasulfide, zinc oxide, antioxidant, flame retardant, sodium stearate, vulcanizing agent, and vulcanization accelerator are added to a mixing machine and mixed to obtain a compound; (2) The compound is transferred to a calender and calendered to obtain a cover layer; S3: The cover layer, modified aramid fiber cloth, and cover layer are stacked in the order of top to bottom, and then rolled, bonded, and vulcanized to obtain an aramid fiber reinforced solid conveyor belt.

This invention relates to the field of polymer materials technology, and discloses a modified PET composition, its preparation method, and its application. The modified PET composition, by weight, comprises the following components: 70-85 parts isosorbide-modified PET resin, 2-5 parts rutile titanium dioxide, 3-5 parts needle-shaped calcium carbonate, 2-3 parts spherical calcium carbonate, 1-3 parts hydroxyl- or carboxyl-terminated hyperbranched dispersant, 0.2-0.6 parts antioxidant, 0.3-0.5 parts sodium stearate, and 0.1-0.3 parts nucleating agent. The modified PET composition of this invention achieves high heat resistance and heatability while also exhibiting high impact resistance, low warpage, and excellent processing flowability. It is suitable for thin-walled injection molding of food containers, possessing good dimensional stability and food contact safety.

This invention discloses an environmentally friendly calcium / zinc stabilizer and its preparation method. The stabilizer comprises the following raw materials in the indicated mass percentages: calcium salt 25-40%, zinc salt 10-15%, zinc acetylacetonate 5-10%, uracil 5-10%, antioxidant 5-10%, pentaerythritol sodium tetrastearate 5-10%, nano-sized montmorillonite 5-10%, polyethylene glycol 3-5%, and lubricant 22-35%. The stabilizer is prepared through the steps of raw material weighing, premixing, activation, homogenization, cooling, pulverization, and sieving. This invention utilizes a specific three-stage temperature-controlled blending process to achieve an in-situ stable three-dimensional structure formed by nano-montmorillonite, calcium and zinc ions, and polyethylene glycol polymer chains. This three-dimensional structure not only achieves uniform dispersion and synergistic effect of the components, endowing the stabilizer with excellent long-term thermal stability, but also simplifies the production process, avoids the use of expensive or complex modified raw materials, and significantly reduces production costs while ensuring performance, thus combining high efficiency, environmental friendliness, and economy.

This invention relates to the field of rubber materials technology. It provides a chlorohydrin rubber material with fatigue resistance, low-temperature resistance, and low air permeability, as well as its preparation method. The raw materials of the chlorohydrin rubber material, by weight, include 95-105 parts of chlorohydrin rubber, 33-37 parts of carbon black, 0.29-0.31 parts of sulfur, 0.9-1.1 parts of accelerator CZ, 1.1-1.3 parts of accelerator ETU, 4.8-5.2 parts of acid scavenger, 2.8-3.2 parts of antioxidant, 13-17 parts of plasticizer, 1.3-1.7 parts of dispersant, 1.5-2.5 parts of lubricant, and 2.0-3.0 parts of sodium stearate. The chlorohydrin rubber is an epichlorohydrin-ethylene oxide binary copolymer chlorohydrin rubber with a chlorine content of 24-26%. The chlorohydrin rubber material of this invention, without adding homopolymer raw rubber, can simultaneously satisfy the requirements of high fatigue resistance, excellent low-temperature resistance, and low air permeability.

The application provides an environment-friendly brick and a preparation process thereof, wherein the environment-friendly brick comprises the following raw materials in parts by weight: 2-5 parts of sludge, 90-95 parts of construction waste, 0.1-0.3 parts of a composite sintering aid, and 0.5-1.2 parts of a plasticity adjusting agent. The composite sintering aid is composed of silicon nitride, starch, vegetable oil and sodium alginate. The plasticity adjusting agent is one or a combination of several of sodium palmitate, sodium stearate and sophoricoside. The environment-friendly brick is prepared through S1 raw material preparation, S2 raw material mixing and aging, S3 plasticity adjustment, S4 molding and cutting, and S5 drying and sintering. The application promotes complete combustion of the sludge by adding the composite sintering aid, thereby enhancing the performance of the brick body. By adding the plasticity adjusting agent and setting the plasticity adjusting link, the viscosity and fluidity of the material are adjusted according to the molding requirements of the brick body, the performance of the brick body is improved, and the molding defects are reduced.

This invention provides a process for preparing ileal-targeted empty capsules, relating to the field of pharmaceutical excipients technology. The process includes the following steps: preparing the following raw materials: gelatin, titanium dioxide, and sodium stearate; dissolving the gelatin in water at 60-70°C, heating and stirring, adding titanium dioxide and sodium stearate, mixing well, and allowing to stand to obtain a film-forming gel. This invention utilizes a preparation mechanism involving the mixing of water-soluble polyacrylic acid resin IV, polyacrylic acid resin III, and polyvinyl alcohol, with the remaining materials added in steps, to achieve the predetermined goal of ileal disintegration. Furthermore, based on the synergistic effect of polyacrylic acid resin III with water-soluble polyacrylic acid resin IV and polyvinyl alcohol, the drug release rate of the empty capsule is improved, allowing the drug to rapidly reach an effective concentration in the ileum and exert its therapeutic effect more effectively.

It relates to a product for obtaining cleaning products from vegetable oils, which comprises the following components in % by weight with respect to the total weight of the product: Sodium triphosphate in an amount comprised in a range from 4 to 6%; alkylbenzene sulfonic acid C10-C13 in an amount ranging from 4 to 12%; sodium stearate in an amount ranging from 0.2 to 0.4%; rheology modifier in an amount ranging from 0.4 to 2%; a perfume in an amount ranging from 0.5 to 4%; and the amount of water required to reach 100% where the pH of the product is comprised in a range from 6 to 9.5; or alternatively, the product for obtaining cleaning products is a solid with the same components and proportions between them as the liquid formulation except that it does not contain water. It also relates to cleaning products obtained from these formulations as well as to their preparation processes.

The application relates to a composite filter material and a preparation method thereof, which comprises the following steps: 1) soaking glass fibers in an acid solution, heating to obtain pretreated glass fibers; 2) soaking polyether ether ketone fibers in a sodium stearate solution, heating and keeping warm, then heating and keeping warm to obtain pretreated polyether ether ketone fibers; 3) mixing the pretreated glass fibers and the pretreated polyether ether ketone fibers according to a mass ratio of (6-8):3, beating to obtain a slurry; the filament diameter ratio of the glass fibers to the polyether ether ketone fibers is 1:(5-20); 4) layering the slurry obtained in the step 3), taking the upper layer slurry, defibrating and standing to form a crude material; and 5) sizing the crude material obtained in the step 4) and heating and solidifying to obtain the material. Controlling the mass ratio of the glass fibers and the high-temperature-resistant fibers can increase the complexity of the material, further improve the pollution capacity of the material, and enable the material to be used in an environment of 250 DEG C.

The application provides a kind of adhesive for flexible composite pipe repair and its preparation method.The adhesive includes modified metal oxide particles, dilution monomer, acrylate prepolymer and photoinitiator;The modifier of modified metal oxide particles is selected from one or more than two combinations of stearic acid, sodium stearate and polyoxyethylene stearate.The adhesive can effectively shorten the construction time, reduce energy consumption and be more environmentally friendly in the process of flexible composite pipe repair.

The present application relates to a kind of preparation method of catalyst for low concentration CO2 reduction based on macroporous resin and electroplating wastewater, the catalyst obtained by the preparation method, using macroporous adsorption resin as raw material, by atomic level uniform dispersion heavy metal Ni, and adding sodium stearate, using temperature programming means and changing carbonization atmosphere, the structure of heavy metal coordination in catalyst can be controlled, form the catalytic site mainly with pyridine N3-heavy metal, preparation can be used to reduce non-pure CO2 Single-atom level catalyst.The catalyst has good conductivity, and CO2 in 10%-100% concentration can be efficiently reduced to CO, with the measure of reverse potential, the efficient and stable operation of catalyst system can be realized, and the system stability can be extended by one time.

This invention provides a composite nucleating agent and its application in the preparation of nylon 66 composite materials, belonging to the field of nylon 66 composite materials. The composite nucleating agent is composed of a first nucleating agent and a second nucleating agent, which synergistically regulate the crystallization behavior of nylon 66. The first nucleating agent is zinc oxide or silicon dioxide; the second nucleating agent is one or more of sodium benzoate, disodium hydrogen phosphate, zinc phenylphosphonate, and sodium stearate. The mass ratio of the second nucleating agent to the first nucleating agent ranges from 1:1 to 5:1. The composite nucleating agent of this invention, when used in the preparation of nylon 66 composite materials, can effectively improve the crystallization properties of nylon 66, achieving a good balance between low water absorption and excellent mechanical properties in nylon 66 composite materials.