203 results about "Aminosulfonate" patented technology

The invention relates to a preparation method of an electroplating diamond fret saw, comprising the following technological processes: 1. roughening processing is carried out to micrometer diamond particles in advance, nanometer diamond powder is added in cationic surface active agents according to the proportion of 1 : 3 by mass ratio, so as to prepare uniform and stable nanometer diamond powder suspending liquid, plating solution is arranged in an electroplating tank, after the weighted nanometer diamond powder suspending liquid is mixed with the micrometer diamond particles according to the proportion of 1 : 3 by mass ratio, and then the mixture is added in the plating solution, the plating solution is circulated continuously, and nickel aminosulfonate is main material in the plating liquid, and boracic acid and nickel chloride are additionally added, and a magnetic stirring device is arranged in the electroplating tank; 2. a steel wire continuously and uniformly passes through the electroplating tank, under the action of electrical current, nickel ions move to cathode from anode, so as to drive the nanometer diamond powder and the micrometer diamond particles to move to the steel wire, so as to lead the steel wire to be plated with the nanometer diamond powder and the micrometer diamond particles, meanwhile, chemical nickel-plating is carried out to the steel wire; 3. after the steel wire is separated from the electroplating tank, wires are wound up after being cleaned and dried. The method can continuously and quickly produce electroplating diamond fret saw, and the production efficiency is high.

The invention discloses a manufacturing method of a hub type electroplated ultrathin diamond abrasive cutting wheel. The method comprises the steps that a high-precision aluminum alloy matrix is subjected to chemical plating treatment and placed into an electroplating solution containing diamond abrasive materials, the evenly-suspended diamond abrasive materials are wrapped by a plating layer during reduction of a cathode of anode nickel ions under the effect of a direct current electric field, and a composite plating layer with the needed thickness is formed after uniform codeposition is kept for a certain period of time; and the hub type electroplated ultrathin diamond abrasive cutting wheel with the blade thickness of 0.010-0.150 mm is manufactured through the plating layer surface precise grinding, external circle grinding and blade reverse face microcorrosion treating processes. By the adoption of the phosphorous nickel aminosulfonate electroplating solution, by means of the hardness increasing effect of a hardening agent and the microstress effect of a stress removing agent, a low-stress high-hardness novel nickel-based binding agent is obtained, a blade of a cuter of the hub type electroplated ultrathin diamond abrasive cutting wheel has extremely low stress and high strength, and the problem that the cutter of the abrasive wheel is broken due to stress deformation or too low strength in practical application is avoided.

The invention discloses a method for plating nickel on aluminum and aluminum alloy coils. After the coils are unrolled, the following steps are successively carried out successively: step 1, degreasing and degreasing the surface of the coils; step 2, pickling the surface of the coils; Step 3, zinc immersion on the surface of the coil for the first time; step 4, zinc stripping; step 5, zinc immersion on the surface of the coil for the second time; The anode is immersed in a mixed solution containing nickel sulfamate, nickel chloride, boric acid, nickel softener, and nickel brightener, and then washed with pure water for more than one time. The invention realizes the continuous electroplating process of the aluminum alloy coil, that is, the nickel electroplating process of the aluminum alloy coil, and forms a firmly bonded, sub-bright, dense, uniform and continuous coating on the surface of the aluminum alloy. The surface of the electroplated aluminum material has the characteristics of nickel and the advantages of aluminum material at the same time.

The invention relates to a technology for preparing nickel sulfamate through the extraction method, belonging to the technical field of fine chemicals. The technology is characterized by comprising the following steps: using the raffinate obtained by extracting the two-stage countercurrent leaching liquor of high grade matte nickel and removing impurities as a stock solution to perform an extraction reaction with hard soap which is prepared from an organic phase and a sodium hydroxide solution according to a specific ratio; and washing a loaded organic phase with acid, and using aminosulfonicacid as a stripping agent to prepare a nickel aminosulfonate solution; and performing evaporation concentration, centrifugation and other working procedures to prepare the finished nickel aminosulfonate product. The invention has a simple technology and less loss of nickel. The massive consumption of resources such as water, electricity and the like can be avoided and the invention is a low-carbon production method suitable for future development.

The invention relates to a method for plating a nano nickel layer on a metal workpiece. The method comprises the following steps of: baking, carbonizing and cleaning the metal workpiece, thoroughly burning off capillary impurities on the surface of the metal workpiece, carbonizing and cleaning the obtained metal workpiece; then putting the metal workpiece into an electroplating bath with bath solution for electroplating; wherein the metal workpiece is used as the cathode of the electroplating bath, the pure nickel target is used as the anode of the electroplating bath, and the bath solution in the electroplating bath is nickel aminosulfonate solution and flows in the electroplating bath; in the electroplating process, the pure nickel target of the anode is electrolyzed into nanometer nickel ions which are deposited in the capillary of the surface of the metal workpiece of the cathode and are regularly arranged into layered nano nickel film in sequence; and finally the metal workpiece is taken out from the electroplating bath and cleaned; wherein the electroplating technique is adopted to fill the nanometer nickel ions in the capillaries of the surface of the metal workpiece in a drilling manner; then the nanometer nickel ions can also be arranged and laminated on the surface of the metal workpiece in sequence, thus being capable of greatly increasing the surface toughness of the metal workpiece so as to strengthening the fragility of the metal workpiece.

The invention provides a high strength and high plasticity nano nickel, and a bath solution and a preparation method of the nano nickel. The bath solution consists of nickel sulfamic acid, manganese chloride, nickel chlorite, boric acid, sodium dodecyl sulfate and saccharin; the preparation method is to adopt a DC current deposition method to conduct electric deposition in a nickel aminosulfonate alloy to prepare the nano nickel. The tensile strength of the nano nickel prepared by the invention is 1200 to 1300MPa, the total elongation at break is 12 to 13percent, and the grain size range of the nano nickel is between 10 and 100mm. Compared with the nano nickel prepared by traditional melting methods, the nano nickel prepared by the invention has obviously higher strength, and obviously improved plasticity compared with the general nano nickel prepared by the currently reported electric deposition methods. The invention has advantages of adoption of nickel sulfamic acid as the main salt, has low stress, quite large current capable of being added in plating, easiness in obtaining good plating layer surface quality, etc. The invention is applicable in preparing high strength and high plasticity nano nickel with high efficiency.

The invention relates to a method for synthesizing a modified amino sulfonate water-reducing agent by utilizing wastewater generated in the dye intermediate production process. The method comprises the step of preparing the modified amino sulfonate water-reducing agent by adopting the wastewater generated in the naphthalens series dye intermediate production process, sodium amino benzene sulfonate and a chemical compound containing a phenolic hydroxyl. Modified amino sulfonate synthesized by the method has higher concrete water-reducing rate and excellent slump retaining ability, and more importantly, a novel way for the comprehensive utilization of the dye intermediate wastewater is provided. While the raw material cost of the water-reducing agent is reduced, and the environmental pressure in the dye intermediate production process is reduced, therefore, the economic and environment-friendly benefits are good.