43results about How to "Agglomeration does not occur" patented technology

The invention discloses a storable low temperature cured powder coating and a preparation method thereof. The powder coating mainly comprises 30 to 40 percent of epoxy resin, 19 to 29 percent of modified polyester resin, 0.5 to 1.2 percent of acrylic acid, 0.08 to 0.15 percent of phosphite ester, 20 to 38 percent of pigment and filler, 0.2 to 3 percent of W-187 low temperature curing agent, and 0.15 to 0.6 percent of curing accelerator. The method for preparing the powder coating comprises the following steps: mixing, heating, melting, extruding, tabletting, cooling, crushing, ACM-crushing and sieving all the raw materials to achieve the fineness of 180 meshes, and packing a finished product. The storage time of the powder coating is greatly prolonged, and the curing temperature is reduced; the powder coating has excellent performance, and is widely applied to surface coating and painting of hardware, electric appliances, home appliances, automobiles, furniture, mechanical equipment and the like; the energy is reduced and the using cost is reduced, so the production cost of enterprises is reduced; and the method ensures the large-scale production of the enterprises, and increases the economic benefits of the enterprises.

The invention relates to a kit for preparing water system dispersoid for chemically machinery grinding and use thereof, The object of the invention is to provide a preparation method of water system dispersoid for chemically machinery grinding, and kit for preparing water system dispersoid for chemically machinery grinding with excellent longterm storage stability even in the concentration state, wherein the water system dispersoid for chemically machinery grinding can control the surface effects such as depression, erosion, scratch and grinding teeth in the flatenning step of the grinding surface processed by chemically machinery grinding. The kit for preparing water system dispersoid for chemically machinery grinding comprises a first composition and second composition, wherein the first composition comprises white carbon black with average once grainsize of 15nm-40nm at the pH of 8-11, and the second composition comprises poly(methyl) acrylic acid and organic acid with more than two carbonyl groups at pH of 1-5.

The invention provides an ultrasonic-atomization microdose sprayer, relating to the technical field of plant protection machinery. According to the ultrasonic-atomization microdose sprayer, the internal space of a sprayer body is sequentially partitioned into a water storage zone, an atomization zone and a circuit zone from top to bottom by a partition plate I and a partition plate II; a water outlet is formed in the bottom of the water storage zone, and a high-pressure flow control valve is mounted at the water outlet; an ultrasonic generator is correspondingly arranged below the water outlet and is fixedly arranged on the partition plate II; electrostatic electric field electrodes are arranged on the sidewall of the atomization zone; a pressurizing device is further arranged on the partition plate II. The sprayer provided by the invention has the advantages that the problems in the current production practice process that the drug delivery is labor-consuming and time-consuming, the deposition performance of droplets on targets is relatively poor, the effective utilization ratio of pesticides is low, high-capacity spraying results in pollution and waste and the like are solved, a timesaving, laborsaving, efficient and safe new way is provided for the drug delivery of agriculture and forestry and foliage application, and the popularization and application values are considerable.

The present invention relates to a clustered nanocrystal network comprising a core comprising a metal or a semiconductive compound or mixture thereof and at least one polythiol ligand, wherein said core is surrounded by at least one polythiol ligand, and wherein each core surrounded by at least one polythiol ligand is crosslinked with at least one another polythiol ligand stabilizing another core. Furthermore, the present invention relates to nanocrystal composites comprising clustered nanocrystal networks. Clustered nanocrystal networks according to the present invention can be prepared by one-pot synthesis and can be embedded into the polymer matrix to form high quality and stable nanocrystal composites.

The invention relates to making technology of gelatin, in particular to a technology for producing leather gelatin with high freezing force and high viscosity by an alkali-alkali-acid ternary method. The technology includes pretreatment process, gelatin extraction, filtration, ion exchange, concentration, high temperature sterilization, drying, crushing, mixing and metal detection, thus obtainingthe finished product. The technology is characterized in that the pretreatment process is a mixed acid-alkali method and forms the alkali-alkali-acid ternary method for producing leather gelatin withhigh freezing force and high viscosity, together with the follow-up process. The product is high in freezing force, and achieves acid-method level, as well as the viscosity between the acid method and the alkali method, obviously higher than alkali method. Compared with the alkali method, the technology has the treatment time of leather shortened greatly by 35-40 days. The acid (pH ranging between 3.0-4.5) gelatin extraction only needs to be done for 5 times, reduced by twice compared with 7 times of the alkali method. The production efficiency is improved by 20%, and water and energy are saved by 10%. The temperature for alkali treatment is controlled between 15-25oC, product quality is ensured and meanwhile, compared with former requirement of 5-15oC, a large quantity of energy is saved.

The invention discloses an integrated 24-hour urine sample subsistence device. The integrated 24-hour urine sample subsistence device comprises a seat cushion, wherein a through hole is formed in thecenter of the surface of the seat cushion; air cushion plates are symmetrically arranged on two sides of the through hole; two sides of the seat cushion are rotatably connected with supporting racks through rotating shafts; the inner side of each supporting rack is rotatably connected with a backrest plate through the corresponding rotating shaft; massaging blocks are fixed on the inner surface ofthe backrest plate; the middle of the backrest plate is rotatably connected with a connecting rod through a rotating shaft; a urine guiding bin is fixed on the bottom of the seat cushion; a sponge layer is arranged on one side of the inner wall of the urine guiding bin; the upper surface of the sponge layer is connected with a lifting handle; an electric agitator is fixed on the bottom of the urine guiding bin; a reagent adding tube is arranged on one side of the electric agitator; a urine draining tube is arranged on the other side of the electric agitator; and scale marks are arranged on the front surface of the electric agitator. The device is simple and reasonable in integral structural design, flexible and convenient to operate and safe and comfortable to use, and has high practicality.

The invention provides an antistatic organic silicon pressure-sensitive adhesive containing an electron transport material and a preparation method of the antistatic organic silicon pressure-sensitive adhesive. The antistatic organosilicone pressure-sensitive adhesive is prepared from the following raw materials in parts by mass: 80-100 parts of diluted addition organosilicone resin, 10-20 parts of ionic liquid-carbon nanotube conductive gel, 4-10 parts of a compound containing alkylene oxide, 4-10 parts of an acrylate compound and 1-5 parts of a platinum catalyst. The carbon nano tube and ionic liquid mixed gel is used as an antistatic agent, the problem of incompatibility between the carbon nano tube and the pressure-sensitive adhesive is solved, the gel premixing method is applied, the dispersion effect is good, the gel can be stored for a long time, and the agglomeration phenomenon is avoided; and the antistatic effect can be achieved only by adding a small amount of the antistatic agent, and the curing property, the mechanical property and the optical property of a formed film are not influenced.

The present invention relates to a gardenia red pigment stably adsorbed on the surface of silica, and a cosmetic composition containing same, and more specifically, to a gardenia red pigment stably adsorbed on the surface of silica, the silica surface having a specific reactive group introduced thereto, and a cosmetic composition containing same. Compared to conventional gardenia red pigments, thegardenia red pigment stably adsorbed on the surface of silica, according to the present invention, has improved thermal stability, does not aggregate at a low pH level, and may be applied to cosmeticcompositions other than water-phase cosmetic compositions, and thus can have a further expanded range of use.

The invention relates to making technology of gelatin, in particular to a technology for producing leather gelatin with high freezing force and high viscosity by an alkali-alkali-acid ternary method. The technology includes pretreatment process, gelatin extraction, filtration, ion exchange, concentration, high temperature sterilization, drying, crushing, mixing and metal detection, thus obtaining the finished product. The technology is characterized in that the pretreatment process is a mixed acid-alkali method and forms the alkali-alkali-acid ternary method for producing leather gelatin with high freezing force and high viscosity, together with the follow-up process. The product is high in freezing force, and achieves acid-method level, as well as the viscosity between the acid method and the alkali method, obviously higher than alkali method. Compared with the alkali method, the technology has the treatment time of leather shortened greatly by 35-40 days. The acid (pH ranging between 3.0-4.5) gelatin extraction only needs to be done for 5 times, reduced by twice compared with 7 times of the alkali method. The production efficiency is improved by 20%, and water and energy are saved by 10%. The temperature for alkali treatment is controlled between 15-25oC, product quality is ensured and meanwhile, compared with former requirement of 5-15oC, a large quantity of energy is saved.

The invention discloses a rice cultivation auxiliary device, and belongs to the technical field of rice cultivation. The rice cultivation auxiliary device comprises a box body, wherein a plurality of layers of movable support plates are arranged in the box body, a cultivation tray is arranged on each layer of support plate, guide rods are arranged in three of four corners of each support plate in a penetrating manner, limiting through holes are formed in the other corners of the support plates at intervals, a screw rod is arranged in a screw hole in the support plate on the uppermost layer, the lower end of the screw rod is connected with a limiting rod, the limiting rod is connected with a bearing on a bottom plate of the box body, the support plates on the lower layers are connected with the screw rods through screw holes, the support plate on the lowermost layer is connected with the limiting screw rod through the screw hole, the upper ends of the screw rod and the limiting screw rod can be matched with a threaded rod, and the upper end of the threaded rod penetrates through a limiting screw hole in a top cover of the box body; a fertilizer box is arranged at the top of the inner wall of the box body, and the fertilizer box communicates with each layer of cultivation tray through a control pipe; a water storage tank is arranged on the bottom plate of the box body, all layers of the cultivation trays communicate with the water storage tank through filter pipes, and the water storage tank communicates with the fertilizer box through a circulating water pipe.

The invention discloses a buckwheat instant porridge, which is produced by a preparation method comprising: uniformly mixing buckwheat, water and table salt to make a raw material; bulking the raw material to make a wet soft porous sponge body with a density of 1 to 1.2kg / L and finishing primary cooking; before the solidification and sizing of the wet soft porous sponge, placing the wet soft porous sponge into an extrusion forming machine to extrude a solid body with a density of 1.3 to 1.4kg / L and finishing secondary cooking; drying the solid body prepared by the previous step with hot air at 20 to 40 DEG C till the water content is less than or equal to 13 percent and obtaining a dry cooked material; crushing the dry cooked material into 10 to 15 mesh particles to obtain a fine particlematerial; and subjecting the fine particle material to soot blowing treatment to remove the flour attached onto the surface of the fine particle material to obtain the finished buckwheat instant porridge. The buckwheat instant porridge can be made into porridge quickly when soaked in water, retain the nutrients of the buckwheat to a maximum degree, be digested and absorbed by human body easily and offer a good mouthfeel.

The invention relates to a production technique of a gelatin, particularly a production technique of a pharmaceutical gelatin, which comprises the following steps: pretreatment technique, degelatinizing, filtering, ion exchange, film concentration, plate drying, sterilization, gumming, drying, pulverization and inspection to obtain the finished product. The invention is characterized in that the pretreatment technique adopts an alkali-hydrogen peroxide-acid composite process and combines with the subsequent techniques to constitute an acid-alkali-hydrogen peroxide three-element process for producing the high-quality gelatin. The jelly strength and viscosity of the first three gelatins extracted in the degelatinizing process are obviously improved as compared with the single acid process or alkali process. The skin material treatment time is greatly shortened as compared with the alkali process. Besides, the alkali treatment is performed at normal temperature, thereby saving the energy and water on the premise of ensuring the high quality of the product.

The invention provides a method for preparing an AgVO3 nanobelt / Ag nanoparticles composite SERS substrate, and provides the composite SERS substrate, which comprises a nanobelt and metal nanoparticles, wherein the nanobelt is AgVO3, and the Ag nanoparticles are absorbed on the surface. The composite SERS substrate preparation method comprises the following steps: 1) preparing the AgVO3 nanobelt; 2) taking the AgVO3 nanobelt and performing ultrasonic dispersion on the AgVO3 nanobelt in an aqueous solution containing a reducing agent, stirring the materials for 1-12 hours; and 3) centrifuging the nanobelt and re-performing ultrasonic dispersion on an AgVO3 solution, standing for 12-24 hours to obtain the product. Compared with the powder SERS substrate, the position and the relative distance of the Ag nanoparticles in an AgVO3 / Ag nano compound are fixed, aggregation phenomenon is not generated, the activity can be kept; compared with a laser etched substrate, the substrate preparation method has the advantages of simpleness, easy acquisition, no requirement of special equipment, and easy popularization.

The invention discloses a mold for producing Longlu capsules, comprising a steel plate, a mold column and a handle; the main body of the mold column is a cylinder, and the bottom end is a semicircle; Air inlet and outlet; the air passage is an arc-shaped flared structure; the smaller end of the vertical section of the air passage is fixedly connected with the air hole, and the other end is fixedly connected with the air inlet; the main body of the air inlet is a cylinder The bottom end is semi-circular or semi-elliptical; the cross section of the main body of the air inlet is annular; the annular center of the air inlet is provided with an air outlet; the cross section of the air outlet is circular, and the circular edge and the air inlet The edges of the annular inner ring are overlapped; an annular wall is arranged at the overlap of the air outlet and the air inlet; the steel plate and the die column are detachably connected with threads; The mold for producing Longlu capsules of the invention has the advantages of rapid exhaust, rapid cooling, easy demoulding, easy disassembly, and high productivity.

The invention discloses a compound gas hydrate polymerization inhibitor and application thereof. The compound gas hydrate polymerization inhibitor consists of a betaine zwitterionic surfactant and a polyalcohol nonionic surfactant in the mass ratio of (0.01-100):1. The compound gas hydrate polymerization inhibitor is applied to prevention of gas hydrate polymerization in an oil-gas-water three-phase mixed conveying system. The compound gas hydrate polymerization inhibitor has the advantages that (1) used raw materials are low in toxicity, and have high biodegradability in nature, so that severe environmental pollution is avoided; (2) the defects of the conventional gas hydrate inhibitors such as large using amount, high cost and high pipeline quality requirement in a thermodynamic inhibitor, low super-cooling degree bearing capacity of a kinetic inhibitor, and the like are overcome; the particle size of the gas hydrate can be effectively controlled, and gas hydrate particles are uniformly distributed into an oil phase, so that the problem concerned with safe flow of oil-gas-water phases is solved effectively; (4) the adding amount is small, the polymerization resistance is high, and the application prospect is good.