69results about How to "Not prone to precipitation" patented technology

The invention provides an efficiency anti-static PC/ABS (Polycarbonate/Acrylonitrile Butadiene Styrene) composite material and a preparation method thereof. The composite material is prepared from the following components in percentage by weight: 40-70 percent of polycarbonate, 5-40 percent of ABS, 0.5-10 percent of antistatic agent, 0.5-5 percent of compatilizer and 5-25 percent of dispersing agent. The preparation method comprises the following steps: firstly, mixing the antistatic agent, the compatilizer and the dispersing agent in the raw materials according to a certain proportion at the room temperature; performing melt extrusion through double screws to obtain antistatic master batch; extruding the composite material according to a certain proportion, extruding through the double screws, and granulating to obtain the efficient anti-static PC/ABS composite material. The composite material prepared by the method has superior antistatic performance, high chemical performance and attractive appearance.

The invention relates to a process for producing low-fat sesame paste. The process specifically comprises the following steps: mechanically pressing the cleaned sesame raw materials to remove partial grease, frying, milling, homogenizing and filling the degreased sesame, thereby obtaining the low-fat sesame paste, wherein the mechanical pressing refers to static hydraulic pressing or power spiral pressing, and the pressure is 10-20 MPa. The pressing equipment can be a hydraulic or spiral oil press, about 10-30 percent of oil in the sesame is removed, and the pressed sesame contains about 20-40 percent of oil. The sesame paste prepared by adopting the process is low in fat content and high in protein content, can be eaten by the crowd suffering from three highs and is high in colloidal stability, and a phenomenon that oil is separated out due to long-term storage is hard to occur.

An environment-friendly water-based ink comprises the following components by mass percent: 12-22% of alcohol-soluble modified acrylic resin, 10-20% of alcohol-soluble modified aldehyde ketone resin, 35-55% of a diluents, 6-12% of methyl ether, 12-20% of pigment, and 2-5% of a functional auxiliary agent. The environment-friendly water-based ink provided by the invention is an alcohol-soluble gravure ink, adopts more than 95% of alcohol as the auxiliary agent to realize gravure production, is stable in ink performance, uniform in texture, strong in tinting strength, not easy to precipitate, and similar with the printing effect of the traditional offset printing, and has certain antistatic function.

The invention relates to a production process of instant maize germ powder. The instant maize germ powder is prepared through raw material preprocessing, beating, enzymolysis, enzyme inactivation, colloid milling, sterilization, high-pressure homogenization and spray drying by taking maize germ meal as a raw material; the enzymolysis is carried out by adding medium-temperature alpha-amylase accounting for 0.2%-0.4% of the dry weight of the maize germ meal, and the starch hydrolysis DE value (Dextrose Equivalent value) of maize germ meal slurry which is subjected to enzymolysis is controlled between 18% and 22%; the prepared homogenized maize germ meal slurry achieves the easiness for the spray drying, and a finished product does not absorb moisture, so that the dissolution stability of the maize germ powder is enhanced, the deposition has small possibility of appearing in the dissolving process, and the maize germ powder is not caked and agglomerated when being dissolved in water; and the additional value of maize germ meal is increased. The instant maize germ powder obtained through the method disclosed by the invention achieves the protein content more than 23%, is in a faint yellow color and is fast in dissolution; and the dissolved instant maize germ powder is uniform in state and achieves the product dissolution time less than 27 seconds without any unpleasant odor.

The invention discloses a preparation method of plain cheese sauce. The preparation method comprises the following steps: fermenting whole milk powder by lactobacillus to obtain lactobacillus fermentation broth, then adding milk fat, carrying out enzymolysis by adopting lipase and protease to obtain milk enzymatic hydrolysate, and then adding salt, aginomoto and sugar for carrying out high-temperature thermal reaction to prepare the plain cheese sauce. According to the invention, the preparation process is natural, the cheese sauce is natural and harmonious in flavor, milk powder is taken as the main material, so that the cost is effectively controlled, heating is carried out for generating the Maillard reaction, so that the flavor and the mouthfeel are further promoted, and therefore, the cheese sauce has unique characteristics, can meet the hobby of the Chinese people for sweet aroma, and has a wide market prospect.

The invention relates to a test method for light resistance of titanium dioxide. The test method includes the following steps that 1, a melamino-formaldehyde resin water solution is prepared and contains triethanolamine, ethyl alcohol and melamino-formaldehyde resin, and the mass fraction of the melamino-formaldehyde resin is 20-50%; 2, titanium dioxide is dispersed in the melamino-formaldehyde resin water solution, and the concentration of titanium dioxide is 0.1-0.5 g/mL; 3, a glass slide is coated with the mixture and then placed in a drying oven and dried to obtain a film; 4, the dried film is taken out and put into a printing-down machine with an iodine gallium light to be exposed under the blazing sun for a long time, and chromatic aberration delta E value before and after the step of exposure under the blazing sun for a long time is tested. The test method is short in test period, the operation process is simple, storage time is long, precipitation does not occur easily, and test results are high in accuracy.

The invention discloses an aqueous semitransparent pigment type colorant used for carpentry paint and a preparation method thereof. The aqueous semitransparent pigment type colorant contains the following materials by weight percent: 20-40% of aqueous linseed oil, 20-40% of anba powder or transparent ferric oxide pigment and organic pigment, i.e. permanent yellow, rose Bengal and black pigment, 2-5% of aerosil, 1-3% of aqueous dispersant, 10-20% of propanediol and 10-20% of water. The preparation method of the aqueous semitransparent pigment type colorant comprises the following steps: (1) adding the aqueous linseed oil into a container; (2) then, adding the propanediol and the water into the container; (3) then, adding the aqueous dispersant into the container, and uniformly stirring and mixing the materials; (4) finally, adding the aerosil, the anba powder or the transparent ferric oxide pigment into the container; (5) uniformly stirring the materials, and then grinding the materials into 15 UM to be qualified by a grinder so as to be used. The invention can be used for the wiping and coating process of pseudo-classic furniture or American furniture.

The invention belongs to the field of composite material, and specifically discloses a latent curing system used for moulding prepregs at a medium or low temperature and a method for preparing the latent curing system. The latent curing system comprises 10-50 parts of epoxy resin, 50-100 parts of a latent curing agent, 40-80 parts of a liquid room-temperature reactive curing agent, and 1-10 parts of an accelerant. The preparation method comprises the following steps: uniformly mixing the latent curing agent and the liquid room-temperature reactive curing agent; adding epoxy resin and the accelerant to carry out a reaction at the temperature of 60 to 100 DEG C for 2-6 hours; and finally obtaining a paste liquid that is the latent curing system used for moulding prepregs at a medium or low temperature. According to the invention, the latent curing system is used for moulding at a medium or low temperature, the curing temperature of the latent curing agent is reduced, and the pasty form is beneficial to uniformly dispersing the latent curing system in the epoxy. The latent curing system is simple in operation of preparation technology and is suitable for large-scale industrial production.

The invention provides a method for extracting lithium from a strong-acidic electrolyte solution system. The method comprises the following steps: (1) preparing an organic phase, wherein the organic phase contains an extracting agent and a diluting agent, the extracting agent is tributyl phosphate (TBP), the diluting agent is dichloromethane (DCM), and the volume ratio of TBP to DCM is (1-8) to 1;(2) preparing a water phase, wherein the water phase is an LiCl-AlCl3-CaCl2-H2O system, the concentration of LiCl is controlled at 50ppm-500ppm, and the molar ratio of Li to Al to Ca is 1 to (20-60)to (5-20); (3) adding HCl into the water phase so as to regulate the acidity to 1M-5M; (4) continuing to add a co-extracting agent FeCl3.6H2O into the water phase, and controlling the molar ratio of iron to lithium at (1-6) to 1; and (5) mixing the organic phase obtained in the step (1) with the water phase obtained in the step (4) in a volume ratio of (0.5-5) to 1, stirring at the room temperature for 3-20 minutes, and standing for separation. By utilizing the method provided by the invention, the once extraction rate of lithium reaches over 60%, the problem that the lithium is difficult to extract under a strong acidic condition is solved, and the method is good in selectivity, simple in operation, easy for two-phase separation and low in cost and can be used for extracting lithium froma coal ash acid leaching solution.

The invention relates to the technical field of printing mucilage, in particular to environment-friendly anti-oxidation imitated gold stamping mucilage which comprises the following components including, by mass, 25-35 parts of water-based acrylic emulsion, 25-35 parts of waterborne polyurethane emulsion, 10-15 parts of metal color mica powder and 4-10 parts of a thickening agent. The invention also relates to a preparation method of the environment-friendly anti-oxidation imitated gold stamping mucilage. The preparation method comprises the following steps of (1) adding the water-based acrylic emulsion and the water-based polyurethane resin into a reaction container, and performing stirring for 10-20 minutes to form a pre-mixture; and (2), adding the metal color mica powder into the pre-mixture, performing stirring for 30-50 minutes, adding the thickening agent, performing stirring for 20-30 minutes, and performing filtering to obtain the environment-friendly anti-oxidation imitated gold stamping mucilage. The imitated gold stamping mucilage is not prone to being oxidized, and the effect of better maintaining the metal color is facilitated.

The invention discloses hydrogel and a process using the hydrogel to produce a cooling plaster and belongs to the technical field of cooling plaster production. The hydrogel comprises 70-81 parts of glycerin, 11-18 parts of resin powder, 3.9-4.9 parts of thickening agent, 0.35-0.45 part of dihydroxyaluminum aminoacetate, 0.25-0.33 part of ethylenediamine tetraacetic acid disodium, 16-18 parts of polyvinyl pyrrolidone, 7.5-8.8 parts of 10wt% tartaric acid aqueous solution, 0.85-1 part of waterborne preservative, 1.0-1.25 parts of cooling agent, 1.6-1.9 parts of anhydrous alcohol and 170-200 parts of deionized water, wherein the resin powder comprises at least one of H106 and HQ841. The hydrogel is good in adhesiveness and stripping strength, is mild and non-irritant, and cannot easily damage the skin.

The invention relates to the technical field of rattan dyeing, in particular to rattan dyeing equipment for rattan plaited handicraft processing. The rattan dyeing equipment comprises a base and a dyeing pool, the dyeing pool is fixed to the upper end of the base, and a pair of supporting frames is further fixed to the upper end face of the base and symmetrically arranged on the left side and the right side of the dyeing pool; a top frame is jointly fixed to the top ends of the pair of supporting frames, a pair of pneumatic cylinders is installed on the top frame, a rectangular frame is jointly fixed to the telescopic ends of the pair of pneumatic cylinders, a pair of round rods is fixed between a front rod and a rear rod of the rectangular frame, sliding sleeves are slidably installed on the outer walls of the pair of round rods, and the outer wall of each round rod is sleeved with a pair of first reset springs. The pair of first reset springs are arranged on the front side and the rear side of the sliding sleeve respectively, a dyeing disc is jointly welded to the bottom ends of the pair of sliding sleeves, and a cam abuts against the rear side wall of the dyeing disc. The dyeing disc swings back and forth to drive the rattans to swing back and forth, so that the rattans are dyed more uniformly, and the dyeing effect is better.

The invention discloses a full-automatic leather working glove processing impregnator which comprises a base and a drying tank, wherein a conveying platform and an impregnator main body are arranged on the outer side of the upper end of the base; the conveying platform is fixedly connected with the impregnator main body; a conveyer belt is moveably mounted on the outer surface of the upper end ofthe conveying platform; a sample feeding hole is formed close to the part above the conveyer belt in the outer surface of one end of the impregnator main body. Due to adoption of a liquid crystal display, an automatic rotation monitor, a peddle stirrer and a drying tank, the full-automatic leather working glove processing impregnator disclosed by the invention is capable of tracking the positionsof gloves in real time, the positions can be also displayed on the liquid crystal display, then operators can handle the machining process, glue liquids can be uniformly mixed, precipitate is not easily caused, the gluing effect of gloves can be improved, a relatively rapid drying speed can be achieved, the production efficiency can be improved, meanwhile, through hot air drying, the surfaces of gloves can be relatively solidly bonded, the impregnator is applicable to different working conditions, and relatively good application prospects can be achieved.

The medicine syrup preparing process includes heating pure water to 100 deg.c, cooling to 65-85 deg.c, adding medicine and supplementary material while stirring for dissolving medicine and supplementary material completely, adding sucrose and heating to 80-100 deg.c while stirring for dissolving, and filtering while the syrup is hot. The present invention is suitable for compounding syrup with inferior solubility medicine, and has low temperature, less medicine oxidation, degradation and volatilization, less generation of reducing sugar, low cost and other advantages.

The invention discloses a stable calcium-containing massive-element water-soluble fertilizer and a preparation method thereof. The preparation method comprises the modification of hydroxypropyl-beta-cyclodextrin, the preparation of modified hydroxypropyl-beta-cyclodextrin chelated calcium, the preparation of trace element mother liquor and preparation of the stable calcium-containing massive-element water-soluble fertilizer. The modified hydroxypropyl-beta-cyclodextrin in the stable calcium-containing massive-element water-soluble fertilizer has the uniqueness of internal hydrophobicity and external hydrophilicity, and plays roles in carrying out chelation for calcium fixing and promoting the dissolution of calcium sulfate, and improving the stability of calcium ions; the calcium sulfate raw material is cheap and easy to obtain, and tripolyphosphate and the calcium ions are less likely to precipitate, so that the stability in the using process is improved; a synergist has good salt tolerance and is capable of avoiding flocculation after the fertilizer is dissolved; and a bacteriostatic agent is capable of inhibiting the surface and interior part of the water-soluble fertilizer frombreeding of bacteria and fungi.

The invention relates to ink, in particular to water-based ink dedicated for the gravure surface printing of a plastic film, and the plastic film. The water-based ink dedicated for the gravure surface printing of the plastic film is prepared from the following raw materials: 30 parts of polycarbonate emulsion, 15-20 parts of pigment, 20-30 parts of propyl alcohol, 2-5 parts of accessory ingredient, 1-2 parts of wear-resistant agent, 2-3 parts of ammonia water and 30-50 parts of deionized water. The water-based ink has the beneficial effects that the water-based ink does not contain any volatile organic solvents, the working environment of operation personnel is improved, and fire hazard hidden dangers caused by static electricity and flammable solvents can be avoided. The water-based ink is neutral and has the advantages of good ink stability and good printing adaptation, and ink viscosity can be regulated by the deionized water in a use process, and operation difficulty is lowered.

The invention discloses a storage tank storing an MBS raw material. The storage tank comprises a tank body (1). An upper end socket (2) is arranged at the upper end of the tank body (1). Exhaust ports (3) are formed in the left end and the right end of the upper end socket (2) respectively. A first raw material inlet (4) is formed in the end of the upper end socket (2). A filtering net (10) is arranged below the first raw material inlet (4). A liquidometer (5) is arranged on the left side of the tank body (1). The liquidometer (5) is communicated with the tank body (1) through a pipeline. A second raw material inlet (6) is formed in the right lower side of the tank body (1). A lower end socket (7) is arranged at the bottom of the tank body (1), a raw material outlet (8) is formed in the end of the lower end socket (7), and the lower portion of the raw material outlet (8) is connected with an adjusting valve (11). The storage tank has the beneficial effects that raw material deposition can be reduced, the pressure in the tank can be kept constant, and the phenomenon of wall bonding is reduced.

The invention provides a salicylic acid mixture, a preparing method of the salicylic acid mixture, a salicylic acid ionic liquid solution and application of ionic liquid in improving the concentration and/or stability of salicylic acid in the salicylic acid mixture. Based on the total weight of the salicylic acid mixture, the salicylic acid mixture is prepared from, by weight, 20-60% of salicylic acid, and a solvent of the salicylic acid mixture is selected from at least one of water, Vaseline, liquid paraffin, wool fat and silicon oil. Salicylic acid in the salicylic acid mixture is high in concentration and stability.

The invention discloses a plastic base material surface coating. The coating comprises carbamido monomer modified hydroxyl styrene acrylic emulsion synthesized by adopting a seed emulsion process, wherein the carbamido monomer modified hydroxyl styrene acrylic emulsion comprises 2 to 3 parts of composite emulsifier, 50 parts of deionized water, monomer pre-emulsification liquid I and a monomer pre-emulsification liquid II. The coating is high in chemical stability and high in reaction rate, can be used for eliminating precipitation and solidification phenomena, and has the advantages of good quality indexes, high gelling rate, high viscosity, long service life, low water absorption, convenience in preparation, low cost and high water resistance.