33results about How to "Particles are soft" patented technology

The invention discloses konjac composite nutritive rice, which is obtained by uniformly mixing 10-20 parts by weight of konjac flavor powder, 10-30 parts by weight of coarse rice powder, 15-25 parts by weight of whole corn flour, 25-35 parts by weight of whole sweet potato flour, adding water and stirring to dough, extruding to rice grains through a granulator and drying through microwave. According to the composite healthcare nutritive rice, the nutritional ingredients and the healthcare ingredients of the konjac flavor powder, the coarse rice powder, the whole corn flour and the whole sweet potato flour are overlapped and compounded, so that the nutrition and healthcare effects are better, the vices of poor taste of the brown rice and the corn and poor taste of konjac when eating separately are made up, and the konjac composite nutritive rice has positive action for improving physical fitness of the whole people; the konjac is added in the brown rice with lower price, the cost of the composite healthcare nutritive rice is reduced, non-grain is changed to grain, the coarse grain is changed to fine grain, and the konjac composite nutritive rice has important significance for ensuring national grain safety; after the konjac composite healthcare nutritive rice is developed, farmers become rich and rural economy development is promoted.

The invention discloses a titanium dioxide nanocomposite material and a preparation method and an application thereof, wherein the titanium dioxide nanocomposite material comprises TiO2 nanoparticles,the surface of the TiO2 nanoparticles is coated with a ZrO2 inorganic film layer to form TiO2@ZrO2 core-shell structure nanoparticles, and the surface is modified with a surfactant. The preparation method comprises preparing TiO2@ZrO2 core-shell structure nanoparticles, mixing with the surfactant solution for jet milling to obtain titanium dioxide nanocomposites. The titanium dioxide nanocomposite material of the invention has the advantages of high whiteness, good weather resistance, good dispersibility and strong ultraviolet absorption capacity, and the preparation method thereof has the advantages of simple process, convenient operation, controllable reaction and the like. As that titanium dioxide nanocomposite material is suitable for the anti-fading emulsion on the surface of cosmetic or wood of an aqueous system, the titanium dioxide nanocomposite material can be widely used in the field of cosmetic and wood, and has good application value and application range.

The invention relates to the preparation method of an organic pigment, in particular to a preparation method of C.I. pigment red 188. The preparation method is characterized by comprising the following steps: preparing diazonium liquid, dissolving and coupling coupling components and performing pigmentation. Therefore, the beneficial effects of the invention are as follows: the problems that the diazonium component 2-methoxycarbonyl-5-(2',5'-dichlorophenyl)-formylaminoaniline is difficult to perform diazotization reaction and the synthesis of the pigment in solvent leads to higher production cost and serious environmental pollution, are effectively solved; and the pigment prepared by the method of the invention has bright color light and is easy to disperse, and the particles of the pigment are soft and have good light fastness and solvent resistance.

The invention relates to a bisazo pigment, and in particular to a yellow bisazo pigment and a preparation method, which are applied to printing ink, plastics and coatings. The preparation method comprises the following steps: diazonium salt solution preparation; coupling solution preparation; mixed preparation. According to the preparation method disclosed by the invention, the color and the coloring intensity of a pigment finished product are increased.

The preparation process of red benzimidazolone pigment includes four steps of diazotization reaction of substituting aryl amine, the coupling reaction between diazotate and 5-[2'-hydroxy-3'-naphthylbenzoyl] amino benzimidazolone, pigment treatment, and pigment surface treatment. The present invention uses little organic solvent, and has less environmental pollution and low solvent recovering cost.

The invention provides an organic acid method for preparing ultrafine-part stable zirconia. The ultrafine partial stable zirconia is prepared by a tartaric acid or a malic acid, ZrOCl2.8H2O, a surface active agent and soluble yttrium salt, wherein the mole ratio of the ZrOCl2.8H2O to the soluble yttrium salt is 1 to 0.03; the mole ratio of the ZrOCl2.8H2O to the tartaric acid or the malic acid is 1 to 3; the mole ratio of the ZrOCl2.8H2O to the surface active agent is 1 to 0.004-0.01; the reaction temperature of the tartaric acid or the malic acid and the ZrOCl2.8H2O and the soluble yttrium salt can be controlled between 65 DEG C and 95 DEG C; the adding temperature of the surface active agent is 95 DEG C, and the roasting temperature is controlled between 750 DEG C and 1000 DEG C so that the partial stable zirconia with the grain diameter of 30-85 nm is obtained. The invention solves the technical problems of high sintering temperature, low sintering finished product ratio, the low breaking strength, the poor fracture toughness and the insufficient abrasive resistance of products, and the like in the technology production of zirconia powder.

The invention provides a preparation method of C.I. pigment yellow 180. The preparation method comprises the following steps: compounding three pigments in the synthetic process, carrying out diazotization by three-stage diazo, carrying out beating on 5-glycylacetylbenzimidazolone and carrying out high-pressure homogenization, and controlling pH value with trisodium phosphate so as to finally prepare the C.I. pigment yellow 180. The product has advantages of uniform particle size, soft particle, good light resistance and resistance transference, high tinting strength and excellent light resistance, heat resistance, solvent resistance, acid resistance and alkali resistance and processing application performance.

The invention relates to a red organic coloring agent applied to resin coloring and a preparation method thereof. A structural formula is as shown in I, and R represents a hydrogen atom, an alkyl group, an alkoxy group, a halogen atom or the like. The red coloring agent is bright yellow red, is excellent in heat resistance, solvent resistance and easy dispersibility and has good migration resistance for resin coloring.

The invention discloses a preparation method for pigment orange 64 with high color intensity. The preparation method comprises the following steps: (1) 5-amino-6-methylbenzimidazolone is dissolved in water and hydrochloric acid with the mass concentration of 30 percent, and diazotization is carried out through a sodium nitrite solution with the mass concentration of 40 percent, so that a diazonium salt solution is prepared; (2) barbituric acid is dissolved through aqueous alkali, so that a coupling liquid is prepared; (3) a surfactant and a buffering agent are dissolved in water, so that a buffered solution is prepared; (4) the diazonium salt solution and the coupling liquid are added into the buffered solution at the same time for a coupling reaction, and filtering is carried out, so that a pigment orange 64 pigment crude product is obtained; (5) the pigment crude product is added into an organic solvent, pulping is carried out, the temperature is risen to be 70 DEG C to 120 DEG C and then maintained for 1 to 8 hours, and suction filtration, washing and drying are carried out, so that a pigment orange 64 finished product is obtained. The method has the advantages that the surfactant is added for coupling, coupling reaction parameters are optimized, and a pigment crude product filter cake is pigmented in water and the weak solvent to prepare the C.I. pigment orange 64 with high color intensity.

The present invention relates to the preparation of medicinal iron oxide pigment. The technological process includes the steps of: crystal nucleus preparation, pigment preparation and reaction product separation. The crystal nucleus preparation is reaction of iron flakes and nitric acid to produce iron oxide crystal nucleus suspension. The pigment preparation includes reaction of iron flakes, sulfuric acid and water to produce ferrous sulfate solution and adding water soluble sulfide to eliminate As, Pb and Hg impurity deposit; reaction of iron flakes, nitric acid and water to produce ferrousnitrate solution and adding water soluble sulfide to eliminate As, Pb and Hg impurity deposit; mixing the purified ferrous sulfate solution, ferrous nitrate solution and iron oxide crystal nucleus suspension, adding air and water solution of NaOH to control pH to 2-4 to produce iron oxide pigment suspension.

The invention belongs to the technical field of pigment yellow, and particularly relates to a preparation method of C.I. Pigment yellow 83, 3, 3 '-dichlorobenzidine and 3, 3'-dimethoxybenzidine are taken as dual nitrogen components, diazotization is carried out, and then coupling is carried out with 2, 5-dimethoxy-4-chlorodiacetanilide dispersed by high-substituted hydroxy propyl cellulose to obtain the pigment yellow 83. By utilizing the dispersity and chemical inertness of the high-substituted hydroxypropyl cellulose, the particle size of the product is uniform, the particles are soft, and the product has excellent light resistance, heat resistance, solvent resistance and migration resistance.

The invention belongs to the technical field of dyes, and particularly relates to a preparation method of C.I. Pigment red 185. The preparation method comprises the following steps: carrying out diazotization reaction on 2-methoxy-4-methylamino sulfonyl-5-methylaniline and aluminum nitrite, reacting with 5-(2 '-hydroxy-3'-naphthoylamido)-2-benzimidazolone to obtain a pigment crude product, carrying out crystal form optimization by virtue of a macromolecular surfactant, and preparing the C.I. Pigment red 185. A product is obtained. The C.I. Pigment red 185 prepared by the invention has the advantages of uniform particle size, soft particles, bright color, strong tinting strength, excellent heat resistance, acid resistance, alkali resistance and no migration.