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202 results about "POTASSIUM STEARATE" patented technology

Potassium Stearate has the form of a white, crystalline powder. It is soluble in hot water and alcohol. It is derived from Stearic Acid—a byproduct of vegetable oil through the saponification process. Potassium Stearate is primarily used as a cleansing agent and emulsifier.

Preparation of high-damping rubber containing hindered phenol terminated hyper branched polymer

The invention belongs to the field of functional polymer materials. Aiming at the defect that the small organic molecules are easy to be moved and are easy to low the mechanical properties of a rubber, a hyperbranched polymer promoter capable of effectively enhancing the damping capacity of the rubber is designed. The invention is calcualted in mass percentage: 100 shares of raw rubbers, 10 to 40 shares of terminated hyperbranched polymers of hindered phenol, 0.5 to 1 share of potassium stearates, 3 to 5 shares of stearic acids, 5 to 8 shares of zinc oxides, 1 to 2 shares of sulfurs and 20 to 30 shares of carbon blacks are selected and the raw materials are mixed with each other uniformly on an open mill; the mixtures are subject to the packing mixing for 8 to 12 times; the mixtures are driven to rest for 10 to 16 hours with ventilation and the vulcanization time of the mixtures is tested on a rotor-free curometer at a temperature ranging from 150 DEG C to 170 DEG C; the curing time is recorded after the vulcanization curve flattens out; then the vulcanization is carried out utilizing a platten curometer, the temperature is set to range from 150 DEG C to 170 DEG C corresponding to the rotor-free curometer and the pressure is 15MPa and the strips are taken out. The invention can enhance the damping capacity of the rubber, overcome the defect of a small organic molecular promoter without lowering the mechanical properties of the rubber and maintain the stable performances for a long time.
Owner:BEIJING UNIV OF CHEM TECH

Process for synthesizing sucrose polyester by using rotating film transesterification flow reactor

The invention discloses a process for synthesizing sucrose polyester, particularly a process for synthesizing sucrose polyester by using a rotating film transesterification flow reactor. The process comprises the following steps: methyl oleate, sucrose powder, potassium stearate and potassium carbonate are added into a mixing kettle, and heated while stirring; the materials enter the rotating film transesterification flow reactor to react; the crude fatty acid sucrose polyester product obtained after the reaction enters a product storage tank, and the reaction product methanol enters a methanol receiver after being cooled by a condenser; and the crude product in the product storage tank is neutralized with acetic acid, washed and dried to obtain the sucrose polyester product. The low-boiling-point substances generated in the process provided by the invention are quickly removed out of the reaction system, thereby being beneficial to the generation of the product, greatly increasing the reaction speed and enhancing the product quality. The process can be used for continuous-feeding production, is beneficial to large-scale production, enhances the production efficiency, has the advantages of high yield and simple process, lowers the production cost and raises the resource utilization ratio.
Owner:ADANA FOOD TECH LIUZHOU

Modified oilproof aging-resistant polyvinyl chloride cable sheath material

The invention relates to a cable material, and in particular relates to a modified oilproof aging-resistant polyvinyl chloride cable sheath material which is prepared from the following raw materials in parts by weight: 24 to 28 parts of SG-1 polyvinyl chloride, 20 to 24 parts of POE (Polyolefin Elastomer), 5 to 8 parts of low-density polyethylene, 6 to 9 parts of antimonous oxide, 2 to 3 parts of Ca-Zn stabilizing agent, 2 to 3 parts of nylon fiber, 8 to 10 parts of coumarone, 2 to 3 parts of potassium stearate, 3 to 4 parts of polyethylene wax, 18 to 20 parts of dioctyl phthalate, 3 to 5 parts of zinc oxide, 1 to 2 parts of accelerant M, 0.5 to 1.0 part of bis(isooctylmercaptoacetate) dioctyldilauryltin, 12 to 15 parts of attapulgite, 12 to 15 parts of nano silicon dioxide and 14 to 16 parts of auxiliary agent. The prepared cable sheath material is high in strength and good in flexibility, and has the performances of high-temperature aging resistance, oil osmosis resistance and chemical solvent resistance by combining the advantages of SG-1 polyvinyl chloride, the POE, the low-density polyethylene and the other raw materials. Thus, the prepared cable sheath material can be widely used for preparing various cable sheath insulating materials, thereby having broad market demand prospect.
Owner:东莞市龙之翼实业有限公司

Preparation method of rubber asphalt waterproof coating

The invention discloses a preparation method of a rubber asphalt waterproof coating. The preparation method comprises the following steps: performing thin-passing plastication of polyurethane rubber and acrylate rubber at first; then adding coconut diethanolamide, sodium lignin sulfonate, sulfonated succinate and lecithin; mixing and discharging; feeding into a shearing machine; adding ethylene-propylene-diene monomer while shearing to obtain a rubber emulsion; heating 10# petroleum asphalt for dehydration; adding the heated and dehydrated 10# petroleum asphalt into a 4-octylphenol polyoxyethylene ether, sodium lauryl diphenyl ether disulfonate, potassium stearate, polyvinyl alcohol and water mixed solution; stirring to obtain an asphalt emulsion; finally, mixing the obtain rubber emulsion and asphalt emulsion with acrylic resin, ethylene glycol ethyl ether, chlorinated polyethylene, silicon carbide whiskers, bentonite, hydroxyl silicone oil, an ethylene-vinyl acetate copolymer, a plasticizer, a foam killer and a pigment; stirring at 40-50 DEG C; leaving to cool to obtain the rubber asphalt waterproof coating. The rubber asphalt waterproof coating is high in tensile strength, good in high-temperature resistance and excellent in low-temperature flexibility.
Owner:ENG EQUIP CO LTD SUZHOU SAI SIDE

Method for directly synthesizing sucrose fatty acid ester by biodiesel and sucrose

The invention provides a method for directly synthesizing sucrose fatty acid ester by biodiesel and sucrose, in which a solvent-free method is adopted to synthesize the sucrose fatty acid ester under the protection of N2 and the barometric pressure of 1, and an isovolumetric immersion method is adopted to prepare a load-type solid base catalyst by immersion; then potassium stearate is added after the biodiesel is mixed with the sucrose, the mixture is reacted until the reaction system presents in a faint yellow emulsion, then the load-type solid base catalyst is added to continue to react, temperature is raised during stirring, N2 is introduced, methanol generated in the reaction process is removed when air in the reaction system is driven away, warming reaction is carried out under the protection of the N2, then the reaction system is cooled, the introduction of N2 is stopped, water is added to stop reaction, and the product is stirred for 10min at the temperature of 80 DEG C; and the crude product is processed to obtain the refined product of the sucrose fatty acid ester. After the crude product is purified by a solvent extraction method, the product purity is above 98%, the N2 can be reused, and the catalyst can be recycled.
Owner:INST OF CHEM IND OF FOREST PROD CHINESE ACAD OF FORESTRY

Fertilizer for grape vine

The invention discloses a fertilizer for a grape vine. The fertilizer is prepared from the following raw materials in parts by weight: 45-55 parts of calcium magnesium phosphate, 30-40 parts of a biogas waste fertilizer, 50-60 parts of fermentative manioc waste, 15-20 parts of black soybean straw powder, 4-6 parts of soyabean extraction, 6-10 parts of a soil conditioner, 3-4 parts of monopotassium phosphate, 5-6 parts of ammonium molybdate, 2-4 parts of potassium stearate, 5-6 parts of propylene glycol, 6-8 parts of ascorbic acid, 10-15 parts of talcum powder, 4-6 parts of hawthorn fruit powder, 2-4 parts of tangerine powder, 1-3 parts of sodium borate, 1-2 parts of zinc acetate, 3-4 parts of radix sophorae flavescentis, 6-10 parts of potato powder and 1-2 parts of monoammonium phosphate. The organic fertilizer is comprehensive in nutrients, reasonable in raw material ratio, high in fertilizer utilization rate; nitrogen, phosphorus and potassium in the fertilizer are suitable for growth of the grape vine; the effectiveness of various elements can be fully developed; organic matters and microelements required for plant growth are also added; the yield and the quality of grapes can be improved on a large scale; the fertilizer is low in cost; and the grown grapes are large in size, fresh, sweet and delicious.
Owner:HEFEI XUANDA AGRI TECH DEV CO LTD

Modified polyethylene insulating material for wire harness of communication equipment

The invention relates to an insulating material for a wire harness, and specifically relates to a modified polyethylene insulating material for a wire harness of communication equipment. The material comprises the following raw materials in parts by weight: 24-28 parts of medium density polyethylene, 12-16 parts of metallocene linear low density polyethylene, 5-9 parts of polyphenylene sulfide, 5-6 parts of cellulose acetate, 16-19 parts of polystyrene, 2-3 parts of an antioxidant 1010, 5-6 parts of hydrogenated rosin, 3-4 parts of coumarone, 30-34 parts of tributyl citrate, 1-3 parts of potassium stearate, 5-10 parts of aluminum nitride, 3-4 parts of zinc borate, 12-15 parts of zinc pyrophosphate, 23-26 parts of carbon black N330 and 14-16 parts of an assistant. The insulating material combines the advantages of the raw materials such as medium density polyethylene and polystyrene and enhances the performance of conventional polystyrene blending materials; and the prepared material is high in strength, impact-resistant, good in toughness, good in electric insulation, chemical-corrosion-resistant, ageing-resistant and long in service life, can be widely applied to manufacture of insulating sheathes, terminals, bandage materials and the like of wire harnesses at all parts of the communication equipment, and is wide in market requirement prospect.
Owner:合肥得润电子器件有限公司

Preparation of oily anti-blocking agent and application method

Disclosed is an oily anti-blocking agent. The oily anti-blocking agent is prepared from, by mass, 40-60 wt% of palm oil, 20-40 wt% of oleic acid, 5-20 wt% of oleamide, 5-20 wt% of phosphate, and 2-10 wt% of potassium stearate; a preparation method of the oily anti-blocking agent comprises the steps of heating the raw materials to 80-110 DEG C, mixing and uniformly stirring the raw materials, and cooling the raw materials to an indoor temperature; an application method of the oily anti-blocking agent comprises the steps of heating the oily anti-blocking agent to 70-110 DEG C, dropping the oily anti-blocking agent to a compound fertilizer with the temperature of 50-60 DEG C after the oily anti-blocking agent is melted, fully wrapping the oily anti-blocking agent into particle surface of the fertilizer through a wrap machine, wherein 0.5-2.0 kg of the oily anti-blocking agent is added into per ton of the compound fertilizer. According to the preparation of oily anti-blocking agent and the application method, operation is simple, industrialized production is easy, use amount is small, and cost is low; meanwhile, the oily anti-blocking agent is easy to degrade, free of pollution, good in anti-blocking effect, and is capable of making an anti-blocking rate of granulous nitro-compound fertilizer reach 90% or above.
Owner:YANSHAN UNIV

Anti-corrosion natural rubber cable material

The invention relates to a cable material, and particularly relates to an anti-corrosion natural rubber cable material. The cable material comprises the following raw materials in parts by weight: 40-45 parts of natural rubber, 20-24 parts of chloroprene rubber adhesive (CR121), 15-20 parts of poly-1-butene, 4-5 parts of magnesium oxide, 8-10 parts of acrylic rubber, 28-32 parts of white carbon black, 4-5 parts of coumarone, 4-5 parts of potassium stearate, 20-25 parts of nano-kaolin, 1-2 parts of sulphur, 10-15 parts of nano calcium carbonate, 1-2 parts of anti-aging agent 4010NA, 15-20 parts of diethylene glycol dibenzoate, 1-2 parts of accelerant tetramethylthiuramdisulfide (TMTD0, 1-2 parts of accelerant M, 1-2 parts of bi(dioctyl oxygen radical pyrophosphate) ethylene titanate, 33-36 parts of N330 carbon black and 4-5 parts of assistant. The cable material is combined with advantages of the raw materials such as the natural rubber, the chloroprene rubber adhesive, the acrylic rubber, the poly-1-butene and the like; the characteristics of the traditional natural rubber cable material are improved; the modified material has the advantages of heat resistance, oil resistance, chemical resistance, storage stability and the like, can meet the operating requirements of specific occasions, and is broad in application prospect.
Owner:安徽文峰电子科技集团有限公司

Stabilizing agent in urea peroxide storage process and preparation method of stabilizing agent

The invention belongs to the technical field of a peroxide stabilizing agent and particularly relates to a stabilizing agent in a urea peroxide storage process and a preparation method of the stabilizing agent. The stabilizing agent in the urea peroxide storage process provided by the invention comprises the following material ingredients in parts by weight: 5 to 20 parts of water absorption agents, 5 to 15 parts of flow aids, 5 to 20 parts of heat resistance agents and 40 to 80 parts of solid active oxygen stabilizing agents, wherein the water absorption agents are one kind of materials of magnesium chloride, calcium chloride or sodium chloride or a mixture of the magnesium chloride, calcium chloride and sodium chloride, the flow aids are one kind of materials of magnesium carbonate, light magnesium carbonate, potassium stearate, microcrystalline cellulose, superfine silica powder or tricalcium phosphate or a mixture of magnesium carbonate, light magnesium carbonate, potassium stearate, microcrystalline cellulose, superfine silica powder and tricalcium phosphate, the heat resistance agents are one kind of materials of potassium sulfate, potassium chloride or potassium nitrate or a mixture of potassium sulfate, potassium chloride and potassium nitrate, and the solid active oxygen stabilizing agents are one kind of materials of sodium tripolyphosphate, sodium fluoride, sodium borate and sodium silicate or a mixture of sodium tripolyphosphate, sodium fluoride, sodium borate and sodium silicate. Products provided by the invention have a long quality guarantee period, the bag expansion is avoided, the agglomeration is avoided, the in-site use is convenient, the product flowability is good, and the application range is wide.
Owner:石家庄卫科生物科技有限公司
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