36results about How to "Good solid content" patented technology

The invention relates to a low-temperature, halogen-free, low-solid-content modified rosin-type welding flux. The welding flux is prepared form, by mass, 10-15% of modified rosin, 1-5% of organic acidactivator, 0.35-1% of glycerin, 0.009-1% of benzotriazole, 0.3-1 % of triethanolamine, a surfactant and the balance organic solvent, wherein the surfactant is 0.5-3% of the mass of the organic acid activator. The prepared low-temperature, halogen-free and low-solid-content modified rosin-type welding flux prepared has good fluidity, no precipitation and delamination phenomena, no halogen elements, a small amount of modified rosin, a good spreading rate, good weldability, bright and full welding spots and less residues after welding, little corrosion is caused, and cleaning is not needed; therequirements for environmental protection are met; an operation method is sample, the temperature is moderate, there are less experimental steps, the cost is low, less by-products are generated in a synthesis process and are easy to remove, and the synthesis time is short.

The invention discloses a method for preparing a Ba1-xSrxTiO3-MgO ferroelectric ceramic blank, and belongs to the field of inorganic nonmetallic materials. The method comprises the following steps of: preparing materials; preparing premix solution; mixing the materials and the premix solution and performing ball-milling; degassing and adding a catalyst into the mixture; adding initiator into the mixture; performing gel-casting; and demolding and drying. In the method, the Ba1-xSrxTiO3-MgO ferroelectric ceramic blank is prepared by adopting a semi-aqueous gel-casting process which uses deionized water and alcohol organic matters which are soluble with water as solvents, so that the problems that in the conventional dry press method, the ceramic blank with complex shapes and large sizes cannot be prepared, and particularly uniformity inside ceramic parts cannot be ensured are overcome. Meanwhile, the Ba1-xSrxTiO3-MgO ferroelectric ceramic blank prepared by the method has high strength and high plasticity, can be subjected to subsequent processing of machining, isostatic pressing and the like, contributes to preparing ceramics with complex shapes and high compactness, and is suitable for industrial production.

The invention discloses a preparation method and an application method of foaming type waterborne polyurethane. The preparation method comprises the following steps: adding fatty acid, triethylamine and polymer glycol into a reaction kettle, performing reaction for 30-35 minutes at 80-95 DEG C, dehydrating, adding diisocyanate, performing reaction for 2-2.5 hours at 80-85 DEG C, further adding DMPA (Dimethylol Propionic Acid) and 1,4-butanediol, performing reaction for 1.5-2 hours at 80-85 DEG C, and cooling to 40-45 DEG C; and finally, adding a deionized water solution containing a chain expanding agent and an emulsifier, and performing reaction for 1-1.5 hours at 40-45 DEG C, thereby obtaining foaming type waterborne polyurethane. The foamed type waterborne polyurethane disclosed by the invention has a good foaming function, is free of solvent in the synthesis process, and can be applied to production of products such as waterborne polyurethane synthetic leather foamed bases, waterborne polyurethane coating cloth and waterborne polyurethane foamed films, and the problems of solvent pollution and solvent residues caused by application of solvent type polyurethane in production can be solved.

The invention provides modified pyridine styrene butadiene rubber latex and a synthesis method and application thereof. The modified pyridine styrene butadiene rubber latex is prepared from the following raw materials in percentage by weight: an initiator, an emulsifying agent, a dispersing agent, water and mixed monomers, wherein the dosage of the initiator is 0.2 to 0.6 percent of the weight ofthe mixed monomers; the dosage of the emulsifying agent is 1 to 2 percent of the weight of the mixed monomers; the dosage of the dispersing agent is 2 to 4 percent of the weight of the mixed monomers;the dosage of the water is 95 to 105 percent of the weight of the mixed monomer; and the mixed monomers comprise the following components in percentage by weight: 10 to 85 percent of isoprene, 0 to 50 percent of butadiene, 3 to 15 percent of acrylic ester, 2 to 5 percent of acrylic acid and 10 to 20 percent of monoolefine. The modified pyridine styrene butadiene rubber latex has high solid content, uniform latex particles and low content of residual dialkene, is nontoxic and odorless, and has simple, convenient and safe operations in production and use, good film forming property and good adhesiveness to porous materials and polymer calcic-plastic composite materials; in addition, the chemical stability, the heat resistance and the cold resistance of the modified pyridine styrene butadiene rubber latex are all superior to the conventional pyridine styrene butadiene rubber latex.

A nano alumina slurry composition for ceramics, paint, ink, etc is prepared from nano alumina (150 nm), high-molecular disperser, and solvent through sequentially and proportionally adding said disperser and alumina to solvent, high-speed dispersing at 400-3000 rpm for 10-60 min, and grinding for 20 min-24 hr. Its advantages are high content of solid, low viscosity and high stability.

The invention provides a waterproof-level soy protein adhesive and a preparation method thereof and relates to an adhesive and a preparation method thereof, in particular to a modified soyabean protein adhesive for waterproof-level plywood. The waterproof-level soy protein adhesive aims at solving the technical problem that an existing adhesive for plywood is not waterproof. The preparation method comprises the steps of beam flour acid heat treatment, beam flour liquidation, polyamide solution synthesis and adhesive modulation. Degreased beam flour or soya bean meal left after soybean oil expelling is used as a main raw material, the water resisting property of the beam flour and the solid content of the soy protein adhesive are improved through acid heat treatment, the cross-linking efficiency, cementing effect and process usability of the soy protein adhesive are improved through liquidation, the water resisting property of the soy protein adhesive is improved through cross-linking of polyamide polyamine resin, and finally the soy protein adhesive high in beam flour content, low in viscosity, long in working life and good in water resisting property and used for the waterproof-level plywood is prepared. The waterproof-level soy protein adhesive and the preparation method belong to the field of adhesive preparation.

The invention relates to a spraying system for preparing a super-efficient solar cell electrode, and application thereof. The system comprises a slurry storage device (1), a spraying device (2) and amask (3), wherein the slurry storage device (1) and the spraying device (2) are connected through a pipeline, and the mask (3) is arranged between the spraying device (2) and a solar cell electrode. The system is characterized in that (1) fully mixing slurry; (2) manufacturing a seed layer; (3) manufacturing a conductive transmission layer; and (4) carrying out a co-firing process, wherein after agrid line (4) is manufactured, an electrode is heated and sintered so as to form the super-efficient solar cell electrode. Compared with the prior art, the manufactured multilayer electrode of the invention is good in electrode compactness and good in grid line electrode stacking leveling property, current transmission is facilitated, the precious metal consumption is reduced, the cost is greatlysaved, and the operation yield is increased.

The invention discloses a method for synthesizing a flocculating agent with the high solid content and high molecular weight based on inversion emulsion.The method comprises the steps that a compound emulsifier composed of a Gemini-type emulsifier and a traditional surface active agent is dissolved into an oil phase, a water phase containing an alkene flocculating agent monomer is slowly added into the oil phase, stirring and emulsification are performed to obtain a pre-emulsion, a bifunctional initiating system is added into the pre-emulsion to initiate a polymerization reaction, and emulsion is obtained after the polymerization reaction is completed.The obtained flocculating agent emulsion is high in solid content, large in intrinsic viscosity, good in stability and capable of being widely applied to red mud separation in aluminum oxide production.

The invention discloses a raw material mixing method used in a lithium manganate material wet production technology. The method comprises steps of ball-milling with added water, spray-drying, mixing and sintering. In the step of ball-milling with added water, an electrolyte or a solution thereof is added in, wherein the weight of the added electrolyte or the solution thereof is 0.05 to 2% of that of an aqueous medium. With the raw material mixing method used in the lithium manganate material wet production technology, defects in prior arts of low solid content, high aqueous medium addition, high viscosity, poor dispersion effect, long mixing time, high energy consumption and high cost can be overcome; and advantages of high solid content, low aqueous medium addition, low viscosity, good dispersion effect, short mixing time, low energy consumption and low cost can be realized.

The invention belongs to the technical field of slurry preparation and battery preparation, and in particular relates to a high-speed dispersion device, a slurry, a battery pole piece, and a lithium ion battery. Among them, the high-speed dispersion equipment includes a coaxially arranged dispersing barrel and a dispersing wheel, and the dispersing wheel is located in the dispersing barrel; the dispersing barrel includes a side wall with a spiral track, and the spiral track is located on the inner surface of the side wall; the dispersing wheel includes a cylinder and an opening , the outer surface of the cylinder wall of the cylinder has a plurality of protrusions with a tooth-like structure, and the opening adopts a frustum structure and is arranged on the cylinder wall. This design can effectively improve the equipment's ability to disperse the slurry. The dispersion of the internal substances of the slurry prepared by the equipment will be more uniform, and the agglomeration phenomenon among the active substances will be obviously reduced. The impedance of the battery pole piece prepared by using the above slurry is smaller, and the electrical performance of the lithium ion battery prepared by using the above slurry or the battery pole piece is obviously improved.

The invention discloses a preparation method and an application method of foaming type waterborne polyurethane. The preparation method comprises the following steps: adding fatty acid, triethylamine and polymer glycol into a reaction kettle, performing reaction for 30-35 minutes at 80-95 DEG C, dehydrating, adding diisocyanate, performing reaction for 2-2.5 hours at 80-85 DEG C, further adding DMPA (Dimethylol Propionic Acid) and 1,4-butanediol, performing reaction for 1.5-2 hours at 80-85 DEG C, and cooling to 40-45 DEG C; and finally, adding a deionized water solution containing a chain expanding agent and an emulsifier, and performing reaction for 1-1.5 hours at 40-45 DEG C, thereby obtaining foaming type waterborne polyurethane. The foamed type waterborne polyurethane disclosed by the invention has a good foaming function, is free of solvent in the synthesis process, and can be applied to production of products such as waterborne polyurethane synthetic leather foamed bases, waterborne polyurethane coating cloth and waterborne polyurethane foamed films, and the problems of solvent pollution and solvent residues caused by application of solvent type polyurethane in production can be solved.

The invention discloses a low-damage water-based drilling fluid suitable for the Ecuadorian rainforest and a preparation method thereof. agent, pH adjuster, soluble salt weighting agent and water, wherein the weight percentage of each component is: thickener 0.2~1.0%, fluid loss reducer 0.4~1.0%, preservative 0.05~0.2%, Acid soluble temporary plugging agent 2.0~4.0%, temperature control lubricant 0.2~0.8%, pH regulator 0.05~0.2%, soluble salt weighting agent 1.0~3.0%, water to make up the balance. The preparation and maintenance of the water-based drilling fluid system of the present invention are simple, no additional auxiliary equipment is needed, it has the characteristics of low viscosity and high shear, and at the same time it has low water loss, good plugging effect, can effectively protect the reservoir, is easy to store, and can reuse.

The invention relates to a low-temperature, halogen-free, low-solid-content modified rosin-type welding flux. The welding flux is prepared form, by mass, 10-15% of modified rosin, 1-5% of organic acidactivator, 0.35-1% of glycerin, 0.009-1% of benzotriazole, 0.3-1 % of triethanolamine, a surfactant and the balance organic solvent, wherein the surfactant is 0.5-3% of the mass of the organic acid activator. The prepared low-temperature, halogen-free and low-solid-content modified rosin-type welding flux prepared has good fluidity, no precipitation and delamination phenomena, no halogen elements, a small amount of modified rosin, a good spreading rate, good weldability, bright and full welding spots and less residues after welding, little corrosion is caused, and cleaning is not needed; therequirements for environmental protection are met; an operation method is sample, the temperature is moderate, there are less experimental steps, the cost is low, less by-products are generated in a synthesis process and are easy to remove, and the synthesis time is short.

The invention discloses a method for synthesizing a flocculating agent with the high solid content and high molecular weight based on inversion emulsion.The method comprises the steps that a compound emulsifier composed of a Gemini-type emulsifier and a traditional surface active agent is dissolved into an oil phase, a water phase containing an alkene flocculating agent monomer is slowly added into the oil phase, stirring and emulsification are performed to obtain a pre-emulsion, a bifunctional initiating system is added into the pre-emulsion to initiate a polymerization reaction, and emulsion is obtained after the polymerization reaction is completed.The obtained flocculating agent emulsion is high in solid content, large in intrinsic viscosity, good in stability and capable of being widely applied to red mud separation in aluminum oxide production.

The invention discloses a novel method for coating microcapsules, and particularly relates to a method for realizing coating for microcapsules by film transfer. The method disclosed by the invention comprises the following steps of: a, running coating rolls and achieving a running speed, when the tail of paper is led through a coating machine, turning on full-width spraying water, driving an acting combined beam by a cylinder, rotating a metering rod, pressurizing by a loading air pocket, and charging a microcapsule coating by a charge tube; b, when a loading pressure is stable and coating layers on the surfaces of the rolls are uniform, and turning on edge-spraying water; and c, after paper is spread with a full width on the coating machine, bonding the two coating rolls, turning on the full-width spraying water to an automatic position, and adjusting a coating weight according to a coating weight horizontal curve, and via the adjustment of a fine adjustment mechanism and the pressurization of the loading air pocket. The method disclosed by the invention has the advantages that control on the coating weight is stable; the coating weight is convenient and fast to adjust by the fine adjustment mechanism; and a coating solid content is high, so that a requirement on the drying capacity after coating is low, thus reducing steam consumption, and the production cost of per ton of paper.

The invention discloses a compound brine drilling fluid which comprises the following components in parts by weight: 100 parts of water, 0.12-0.17 parts of sodium hydroxide, 0.15-0.25 parts of polyanionic cellulose, 0- 0.3 parts of carboxymethyl cellulose, 2-5 parts of calcium carbonate, 0.8-1.2 parts of sulfonated tannin, 0.8-1.3 parts of graphite powder, 0-1 part of filtrate reducer A, 0.8-1.2 parts of filtrate reducer B, 2-10 parts of sodium formate, 3-15 parts of sodium chloride and 1.8-2.5 parts of potassium chloride. The composite brine drilling fluid disclosed by the invention has good inhibition effect on water-sensitive minerals in reservoirs and low harm to the permeability of reservoirs, is free of clay phase and low in the content of solid phase and hardly damages stratum. The composite brine drilling fluid has the advantages of good rheology, strong inhibition and lower cost; the site preparation process is simple, operation and maintenance are convenient and the composite brine drilling fluid can be effectively applied to protective drilling operations of low-porosity, low-pressure and low-permeability reservoirs.

The invention relates to a nano-zirconia slurry composition and a preparation method thereof. The composition is composed of 10-75% of nano-zirconia with an average particle diameter of primary particles below 100nm, and 0.4-15% of a polymer dispersant. %, the remainder of the solvent composition; the preparation method is to add the polymer dispersant to the solvent, then add nano-zirconia, disperse with a high-speed disperser at 400-2200rpm for 10-70 minutes, and grind the obtained nano-zirconia slurry for 15 minutes- After 30 hours, the finished product of nano-zirconia slurry is made. The nano zirconia slurry of the present invention is a dispersion system with high solid content and low viscosity, has good monodispersity and high stability, and can be widely used in the fields of ceramics, coatings, inks, textiles, cosmetics, adhesives and the like.