24 results about "Accelerant" patented technology

Provided is an auto-thermal evaporative liquid-phase synthesis method for cathode material for battery, comprising the following steps: (1) Adding a synthetic raw material of cathode material into a solvent to obtain a mixture A, the synthetic raw material of the cathode material containing lithium source, adding an accelerant into the mixture A, which makes the mixture A achieve a strong auto-thermal reaction to release heat to evaporate the solvent, and obtaining a solid precursor of the cathode material; (2) Drying the precursor, sintering in an atmosphere furnace and obtaining the cathode material. The method is simple in process, low in energy consumption, requirements for equipment and cost, and is applicable to industrial mass production and application. The cathode material obtained through the method is stability in batch, easy to process, low in internal resistance and high in capacity and has an excellent charging and discharging performance.

The invention discloses a formula of a fluororubber-ethylene propylene rubber mixing rubber compound, which comprises the following components in parts by weight: 50-70 of ethylene propylene rubber, 30-50 of fluororubber, 8-15 of nitrile buna rubber, 2.5-10 of magnesium oxide, 5-10 of zinc oxide, 0.1-0.5 of accelerant M, 0.2-1 of stearic acid, and 0.2-1 of sulphur. The fluororubber-ethylene propylene rubber mixing rubber compound obtained according to the invention is capable of simultaneously having high medium-resistant property and low-temperature-resistant property; simultaneously, proper elasticity can also be kept.

The invention discloses a kit for detecting the content of a KAPPA light chain.The kit comprises a reagent R1, a reagent R2 and a KAPPA light chain calibration material, wherein the reagent R1 comprises a first buffer solution, a first electrolyte, a surface active agent, a first stabilizer, a macromolecule accelerant and a first preservative, the reagent R2 comprises a second buffer solution, an anti-human KAPPA light chain antibody, a second electrolyte, a second stabilizer and a second preservative, and the C1 inhibitor calibration material comprises a third buffer solution, a third stabilizer, a third preservative, an antioxidant and a KAPPA light chain antigen.The invention further discloses the application of the kit for detecting the content of the KAPPA light chain and a method for detecting the content of the KAPPA light chain using the kit.By the adoption of the kit and the detection method, the content of the KAPPA light chain can be detected easily and quickly.

The invention discloses tire inner liner rubber and a preparation method thereof. The inner tire liner rubber comprises 70-90 parts of brominated butyl rubber, 10-15 parts of natural rubber, 5-10 parts of silane-terminated polyether resin, 50-70 parts of carbon black, 3-6 parts of diatomite, 2-4 parts of calcium oxide, 2-4 parts of zinc borate, 1-3 parts of stearic acid, 3-6 parts of naphthenic oil, 3-6 parts of aromatic hydrocarbon oil, 2-5 parts of anti-aging agent, 1-2 parts of accelerant and 0.2-0.8 part of insoluble sulfur, wherein the main chain of the silane-terminated polyether resin is polypropylene oxide, and dimethoxy methyl silane or trimethoxy silane are used for terminating; the natural rubber is SMR20 or SMR10; the accelerant is accelerant DM or accelerant DPG; the anti-aging agent is anti-aging 4020, anti-aging agent RD or anti-aging agent 3100. The tire inner liner rubber and the preparation method thereof have the advantages that the silane-terminated polyether resin is added into the tire inner liner rubber; by the preparation method, the problem that the carbon black and small materials are uneven in dispersion can be solved, the service life of the tire inner liner rubber is prolonged, and the safety performance of the tire inner liner rubber is increased.

The invention relates to a high-strength marine rubber fender. Rubber raw materials consist of the following components in parts by weight: 70-90 parts of natural rubber 1#, 30-50 parts of chloroprene rubber 21, 2-3 parts of stearic acid, 1-2 parts of paraffin, 15-25 parts of hard carbon black, 2-3 parts of anti-aging agent DTPD, 2-4 parts of vulcanizing agent TRA, 20-30 parts of calcium carbonate, 3-5 parts of zinc oxide, 4-5 parts of magnesium oxide, 2-5 parts of Vaseline, 0.3-0.5 part of accelerant DM, 1.1-1.3 parts of accelerant TT, 0.9-1.1 parts of anti-aging agent 4010 and 0.9-1 part of anti-aging agent D, wherein the anti-aging agent DTPD is domestically called an anti-aging agent 3100 which has the Chinese name of N,N'-xylyl-p-phenylenediamine mixture, the vulcanizing agent TRA is also called DPTT which has the Chinese name of tetra-sulfide bis(pentamethylene) thiuram and the molecular formula of C12H20N2S4, the accelerant DM has the Chinese name of 2,2'-dithio-dibenzothiazole and the molecular formula of C14H8N2S4, the accelerant TT has the Chinese name of disulfide tetramethyl thiuram and the molecular formula of C6H12N2S4, the anti-aging agent 4010 has the Chinese name of N-isopropylbenzene-N-phenylene-p-phenylenediamine, and the anti-aging agent D has the Chinese name of N-phenyl-2-naphthylamine and the molecular formula of C16H13N. According to the high-strength marine rubber fender, the tensile breaking strength of the rubber fender is improved through changing the proportions of a rubber material, a polar material and polysulfur bonds.

The invention relates to the field of chemical industry, and particularly relates to a desulfurization additive as well as applications and a using method of the same. The desulfurization additive contains the following raw materials in parts by weight: 30-40 parts of accelerant, 50-60 parts of activator and 5-15 parts of catalyst. The desulfurization additive can be used in a wet-process flue gas desulfurization technology of limestone or limestone gypsum. The using method of the desulfurization additive comprises the steps of: adding the desulfurization additive in a circulation loop of a limestone wet-process desulfurization circulation system; stirring; and adding the desulfurization additive by a set frequency. The desulfurization additive is capable of enhancing the reaction rate of desulfurization.

The invention discloses nano conductive ink. The nano conductive ink is prepared from the following components: 60-80 parts of conductive metallic packing, 0.1-5 parts of silver nanoparticles 2-50nm in particle size, 1-12 parts of high molecular organic resin, 0.5-5 parts of an adhesion accelerant, 0.1-2 parts of a flatting agent, 0.1-2 parts of an antifoaming agent and 10-25 parts of an organic solvent. The invention also discloses a preparation method of the nano conductive ink, an RFID antenna of the nano conductive ink, and a preparation method of an RFID electronic tag. The nano conductive ink has the beneficial effects that the RFID antenna printed by using the nano conductive ink is ultrathin and uniform in thickness and has good conductivity and adhesive force, also consumption ofthe conductive ink can be reduced by reducing the thickness of the RFID antenna, and the cost is greatly reduced.

The invention discloses a method for producing a rubber vulcanization accelerant DZ by a solvent method. With methanol as a solvent, hydrogen peroxide as an oxidant and an M-Na salt as raw material, the method is characterized by comprising the steps: adding 50 g of a 24% sulfuric acid into a reactor containing 43 g of dicyclohexylamine and 200-800 ml of methanol, under conditions of the temperature of 30-60 DEG C and the rotating speed of 800 rpm, fully undergoing a reaction of sulfuric acid with dicyclohexylamine, then dropwise adding 98 g of the M-Na salt, next adding the oxidant hydrogen peroxide with the content of 8-12% at the flowing speed of 5 ml/min, at the same time, controlling the pH of the reaction solution to 8-11 and the dropwise adding time of 2 h, after completing the reaction, carrying out suction filtration, washing with water, filtering, and drying to obtain the rubber accelerant DZ product. The purity of the product reaches 99% or more, and the yield of the product reaches 95%. The method has simple process, and is easy for industrialized production.

The invention relates to a rubber formula for an inner tube joint mold, which comprises 50-70 parts by weight of neoprene rubber; 16-27 parts by weight of carbon black; 4-8 parts by weight of softening oil; and 1.5-3.6 parts by weight of magnesium oxide parts by weight; 0.7-2.7 parts by weight of anti-aging agent; 2.3-4.0 parts by weight of active zinc oxide; 0.74-1.6 parts by weight of accelerator. The inner tube joint mold made of the rubber formed by this formula has the advantages of high strength and good aging resistance, which ensures high tensile force of the inner tube joint, significantly reduces the defective rate of the inner tube joint, and effectively prolongs the service life of the inner tube rubber joint mold.

The invention discloses a flame-retardant outlet nozzle for an air conditioner motor. The flame-retardant outlet nozzle is prepared from the following raw materials in parts by weight: 1.5-2.5 parts of sulphur powder, 60-80 parts of natural rubber, 20-40 parts of butadiene styrene rubber, 10-30 parts of carbon black, 50-100 parts of magnesium hydrate, 75-135 parts of a composite flame retardant, 30-50 parts of naphthenic oil, 0.5-2 parts of microcrystalline wax, 5-8 parts of zinc oxide, 1-1.5 parts of stearic acid, 0.3-0.8 part of a scorch retarder, 0.8-2 parts of an accelerant M, 0.3-1 part of an accelerant DM, 0.5-1.5 parts of an accelerant CZ, 0.3-1 part of an accelerant TMTD, 0.8-2 parts of an anti-aging agent RD, 0.8-2 parts of an anti-aging agent MB and 50-100 parts of argil. The flame-retardant outlet nozzle is excellent in ageing resistance, high-temperature resistance and flame retardant property, low in cost and long in service lifetime.

The invention relates to a novel green and practical synthesis method of a N,N-dimethyl pyridine compound. The reaction method is characterized in that common inorganic alkaline and water are respectively used as an accelerant and a reaction solvent; under the mild condition and in air, 2-halogenated pyridine derivatives and N,N-dimethylformamide compounds can be smoothly promoted to selectively perform dehalogenation amination reaction to generate corresponding N,N-dimethyl pyridine derivatives. The direct amination reaction of cheap and easy-to-obtain inorganic alkaline promoted 2-halogenated pyridine compounds and N,N-disubstituted methylformamide compounds is innovatively realized for the first time; the limitation that a metallic catalyst needs to be used by a traditional method is overcome; a bran-new strategy is provided for laboratory preparation and industrial production of the N,N-dimethyl pyridine compound.

The invention discloses a dynamic stability accelerator for an emulsion explosive. The dynamic stability accelerator is composed of modified hyperbranched polyester and modified starch. The accelerant can obviously improve the dynamic stability of the emulsion explosive in the processes of pumping, transportation and the like.

The present invention provides an aqueous CMP slurry composition that comprises abrasive particles and Aspartame. The CMP slurry composition according to the invention is selective for polishing silicon dioxide in preference to silicon nitride from a surface of an article by chemical mechanical planarization. Furthermore, as more Aspartame is added to the slurry, the silicon dioxide rate is either not greatly affected or increases and the silicon nitride rate stays extremely low. In addition to offering selectivity of silicon dioxide to silicon nitride polishing, the present invention provides a method of using Aspartame as a polish accelerant in silicon dioxide polishing.

The invention discloses a method for improving corrosion resistance of vinyl resin, and belongs to the technical field of high polymer materials. Adding vinyl resin into the MXene nanosheet solution, and evaporating the solvent to dryness; and then sequentially adding a cobalt iso-octoate accelerant and a butanone peroxide initiator, defoaming, standing for curing, and then heating. The corrosion resistance of the MXene nanosheet modified vinyl resin is utilized, and the mechanism is as follows: after the nanosheet is combined with the resin, the isolation effect of a resin coating on corrosive liquid is improved, the hydrophobicity of the resin coating is effectively improved, and meanwhile, the isolation effect of the resin coating on corrosive ions can be effectively improved after modification; the two-dimensional MXene nanosheet is used for modifying the corrosion resistance of the vinyl resin for the first time, the preparation process is simple, the addition amount of the nanosheet is small, and the corrosion resistance of the vinyl resin can be well improved.

The invention provides a rubber composition for improving the performance of a tire on an ice and snow field. The rubber composition comprises the following components: 100 parts by weight of a rubber component; 23-25 parts by weight of carbon black; 32-35 parts by weight of white carbon black; 33-35 parts by weight of aromatic oil; 2-5 parts by weight of an active agent; 2-6 parts by weight of an anti-aging component; 1-2 parts by weight of a processing aid; 2-10 parts by weight of glass flakes; 1.5-3 parts by weight of a vulcanizing agent; and 0.4-2.5 parts by weight of a vulcanization accelerator. The rubber component is prepared from 60-70 wt% of natural rubber, 10-20 wt% of butadiene rubber and 15-25 wt% of butadiene styrene rubber. The tread formula composition disclosed by the invention mainly contains 2-10 PHR glass flakes, so that the area of contact with an ice and snow road surface can be increased, the gripping performance can be improved, and the braking distance can be shortened. Meanwhile, the tire is a nailing-free tire, so that the comfort of a vehicle and the like is facilitated.

The invention discloses a preparation method for a composite material of a corrugated pipe of a natural gas pipeline. The method takes the following materials in parts by weight as raw materials: 70-80 parts of acrylic rubber, 25-30 parts of brominated butyl rubber, 10-15 parts of fluororubber, 6-10 parts of white carbon black, 15-18 parts of polytetrafluoroethylene, 8-12 parts of dioctyl phthalate, 4-6 parts of gum easy T-78, 0.5-0.8 part of zinc oxide, 1-2 parts of ferrocene, 2-4 parts of zinc stearate, 0.3-0.6 part of lead tetraoxide, 3-6 parts of accelerant TBZTD and 5-8 parts of accelerant CZ. According to the invention, three rubber materials are taken as the main raw materials, and meanwhile, the organic and inorganic auxiliary materials are added and the prepared composite material has higher elasticity and higher material strength. The corrugated pipe of the natural gas pipeline prepared from the material not only can meet the strength requirement of the natural gas pipeline but also has better compressible deformability.

The invention belongs to the technical field of chemical industry, and in particular relates to a rubber cable insulation layer. Cracked carbon black, 116~130 parts of nanoscale hard clay, 2~8 parts of nano-zinc oxide, 0~4 parts of accelerator, 0.15~1.5 parts of sulfur, 0~6 parts of vulcanizing agent, 1.0~2.0 parts of antioxidant D, 3 ~7 parts of propylene glycol hydrogenated succinate, 0.5 to 1.5 parts of iodopropynyl butyl carbamate, 0.3 to 2.5 parts of iodopropynyl butyl carbamate. The rubber cable insulating layer prepared by the invention has good physical and mechanical properties, high tear resistance, excellent weather resistance and aging resistance.

The invention discloses a permanent compression resistant sealing ring for a carrier roller, which is prepared from the following raw materials in parts by mass: 80 to 120 parts of nitrile rubber, 10 to 20 parts of fluororubber, 5 to 15 parts of graphene oxide, 10 to 20 parts of inorganic composite carbon, 5 to 15 parts of polytetrahydrofuran ether glycol, 2 to 8 parts of isophorone diisocyanate, 1 to 2 parts of zinc oxide, 1 to 2 parts of stearic acid, 0.1 to 1 part of dibutyltin dilaurate, 1 to 2 parts of antioxidant, 1 to 2 parts of plasticizer and 1 to 2 parts of accelerant. 1-2 parts of sulfur; wherein the inorganic composite carbon takes graphite carbon as a carrier, and glassy carbon is adopted to fill and coat the graphite carbon. The nitrile rubber and the fluororubber are adopted as main materials, multiple high-strength barrier layers are formed in a product after the pretreated graphene oxide is subjected to three-dimensional crosslinking in the nitrile rubber and the fluororubber, and under the combined action of the inorganic composite carbon, not only is the sealing effect ensured, but also the wear resistance and the heat resistance of the product can be effectively enhanced, and the permanent compression resistance of the sealing ring is excellent.

The invention discloses transport vehicle crown rubber. The transport vehicle crown rubber comprises the following substances in parts by weight: 50 parts of smoked sheets, 50 parts of cis-butadiene rubber, 1 to 3 parts of anti-ozone mixed wax, 2 to 3 parts of stearic acid, 4 to 6 parts of zinc oxide, 5 to 7 parts of aromatic oil, 8 to 12 parts of mineral oil, 4 to 6 parts of pine tar, 1 to 3 parts of sulfur, 45 to 54 parts of furnace black, 1 to 2 parts of accelerant M and 2 to 5 parts of anti-aging agent. The wear resistance of the rubber is higher than that of the ordinary transport vehicle crown rubber, the combination strength of a crown connector part is high, and a tire is unlikely to abrade or scratch in the application process.