150results about How to "Package completely" patented technology

The invention discloses a preparation method of a silica-coated cerium sulphide red pigment. The preparation method comprises the following steps of firstly, preparing pigment suspension liquid and silicon source solution; secondly, adding the silicon source solution into the pigment suspension liquid at the speed of 0.02-0.15ml/min according to the mole ratio of Si4+:Ce2S3=1-3:1-2, stirring to react, and obtaining precursor powder after cleaning and drying a reaction product; thirdly, calcining the precursor powder under the non-oxidizing atmosphere, and obtaining the compact encapsulated silica-coated cerium sulphide red pigment. The invention also discloses a product prepared by the preparation method. The preparation method is high in encapsulating efficiency and complete in encapsulating, the obtained product is thick and compact in the encapsulated layer, the high-temperature oxidation resistance of the cerium sulphide pigment is greatly improved, the cerium sulphide pigment can be in red under the oxidizing atmosphere with the temperature above 450 DEG C, and the application field is greatly expanded; in addition, the preparation process is simple to operate and easy to popularize and use, and the product is wide in application range and beneficial to the development of high-temperature ceramic pigment technology and application.

The invention relates to a low-floating-fiber glass fiber reinforced polypropylene material and a preparation method thereof. The low-floating-fiber glass fiber reinforced polypropylene material is prepared from, by weight, 100 parts of polypropylene resin, 15-30 parts of high-melt-strength polypropylene, 10-50 parts of glass fiber, 1-3 parts of a compatilizer, 5-15 parts of an ethylene-propylene segmented copolymer and 1-2 parts of other auxiliaries. According to the preparation method of the low-floating-fiber glass fiber reinforced polypropylene material, screw extrusion processing is adopted, and the screw combination design principle is adopted, wherein the first region and the second region are only composed of conveying components, the third, fourth, fifth, sixth and seventh regions comprise shearing components, the eighth, ninth and tenth regions are composed of conveying components, and the extrusion temperature is 165-230 DEG C. According to the low-floating-fiber glass fiber reinforced polypropylene material, the mechanical property is excellent, and the surface of the obtained low-floating-fiber glass fiber reinforced polypropylene material is smooth, clean and free of floating fiber.

The invention provides heat-conducting silica gel as well as a preparation method and application thereof. The heat-conducting silica gel comprises an adhesive A and an adhesive B according to a massratio of (0.5-1.5): 1; wherein the adhesive A comprises the following components in parts by weight: 100 parts of vinyl silicone oil, 10-30 parts of vinyl MQ silicone resin, 0.5-5 parts of hydrogen-containing silicone oil, 0.1-2 parts of an inhibitor, 300-1500 parts of a heat-conducting filler and 1-10 parts of a coupling agent; the adhesive B is prepared from 100 parts of vinyl silicone oil, 10 to 30 parts of vinyl MQ silicon resin, 1 to 20 parts of a catalyst, 300 to 1500 parts of a heat-conducting filler and 1 to 10 parts of a coupling agent; and the vinyl silicone oil is prepared from vinyl silicone oil with the viscosity of 1 to 2000 cps and vinyl silicone oil with the viscosity of 5000 to 65000cps. The heat-conducting silica gel provided by the invention has good storage stability, and a cured product of the heat-conducting silica gel has relatively high strength and toughness and is easy to integrally peel off.

The invention discloses high-strength highly-permeable inorganic concrete and a preparation method thereof. The high-strength highly-permeable inorganic concrete comprises, by weight, 60-120 parts of water, 200-500 parts of cement, rubble, sand, 100-200 parts of mineral powder, fly ash, 1200-1800 parts of steel slag, 100-300 parts of quartz sand, 30-80 parts of a reinforcing agent, 10-30 parts of a water reducing agent and stones. According to the high-strength highly-permeable inorganic concrete, the mineral powder and the reinforcing agent are utilized to equivalently replace cement, the grading proportion of a permeable concrete gelled material can be improved, permeable concrete with good fracture resistance and permeability performance is obtained, cement consumption is lowered, the cost is saved, the problem that the steel slag and mineral waste residues serve as waste to cause secondary pollution to the environment is solved, industrial waste is effectively utilized, and good environmental benefits are achieved.

The invention particularly relates to a graphene pipe-cladded metal oxide nanometer belt and a preparation method thereof. The method comprises the following steps (1) preparing a metal oxide precursor nanometer belt; (2) weighing the dried precursor nanometer belt, stirring and ultrasonically dispersing in distilled water, adding a poly dimethyl diallyl ammonium chloride solution, continuing to stir and then centrifuging, measuring graphene oxide dispersion liquid prepared by the Hummer method, gradually dropping the centrifuged precursor nanometer belt concentrated solution into the graphene oxide dispersion liquid, ultrasonically stirring, and carrying out suction filtration drying after evenly dispersing; (3) peeling off a dried membrane from a filter membrane, and carrying out annealing treatment in a nitrogen, argon or ammonia atmosphere. The graphene pipe-cladded metal oxide nanometer belt prepared by the method is beneficial to improvement of the specific surface area and the electrochemical property of the material; a one-dimensional channel is provided for electronic transmission and ionic migration by a one-dimensional nanometer structure; the graphene pipe-cladded metal oxide nanometer belt has good electrochemical property, and has an important application in the field of electrochemical energy storage.

The invention discloses a mining fire extinguishing material additive and application of the mining fire extinguishing material additive. The mining fire extinguishing material additive is prepared from, by weight, 40-80 parts of silicate materials, 0.1-5 parts of tackifier, 1-10 parts of dispersing agent, 5-20 parts of surfactant, 1-10 parts of suspending agent, 1-10 parts of super absorbent polymer and 1-10 parts of diluter. The mining fire extinguishing material additive has the advantages of being prepared from the easy-to-obtain raw materials, and being low in cost, easy to implement, good in gelatination effect, high in water retaining capacity, low in water loss speed, applicable to being added into coal ash, yellow mud, white mud and other underground coal mine filling grouting materials and excellent in fire preventing and extinguishing performance.

The invention discloses an in-mould forming mould plate. The in-mould forming mould plate is prepared from the following components in parts by weight: 20-40 parts of multi-glass fiber mesh of presoaked polypropylene and 40-80 parts of glass fiber reinforced polypropylene material. The invention further discloses a preparation method and uses of the in-mould forming mould plate. With the adoption of a reinforced plastic mould plate of the multi-glass fiber mesh of presoaked polypropylene, in-mould injection moulding is performed so as to ensure that the glass fiber mesh is sufficiently wrapped by a polypropylene base body; compared with the existing plastic mould plate, the tensile strength, the hardness and the rigidity of the in-mould forming mould plate are high; and the in-mould forming mould plate is not easy to deform and damage during the casting process, and has the characteristic of being low in cost, light in weight, good in mechanical property and long in service life.

The invention relates to the field of the modified polystyrene, and provides a high impact-resistance anti-smoldering polystyrene resin composite and a preparation method thereof. The composite comprises the following components: 70 to 85 parts of polystyrene, 8 to 15 parts of fire retardant, 3 to 4.5 parts of auxiliary fire retardant, 0.2 to 1.5 parts of stabilizer, 0.2 to 1.0 part of lubricant,0 to 0.5 part of dispersion oil and 0.2 percent of other assist agents. The high impact-resistance anti-smoldering polystyrene resin composite is prepared by selecting the high impact-resistance polystyrene, fire retardant and other assist agents and by improving the compatibility of the fire retardant and the basal material high impact-resistance polystyrene (HIPS). The composite has high fire retardance, no smoldering and good impact resistance, and is particularly suitable for producing the products requiring high retardance such as electronic elements, parts, shell materials of electronicdevice, and the like.

The invention relates to a VAD prepared large-core optical fiber parent metal blast burner which comprises a cylindrical blast burner body, wherein a central feeding hole and a plurality of layers ofannularly-distributed air holes around the central feeding holes are formed in the peripheral direction of the blast burner body. The blast burner is characterized in that the plurality of layers of the annularly-distributed air holes sequentially include inner-layer separation air holes, inner-layer flame air holes, outer-layer separation air holes and outer-layer frame air holes from inside to outside; the inner-layer flame air holes include inner-layer flame oxygen holes and inner-layer flame hydrogen holes; the outer-layer flame air holes include outer-layer flame oxygen holes and outer-layer frame hydrogen holes. When the blast burner disclosed by the invention is utilized, a contact area between the raw materials and inner-layer gas can be enlarged through distribution of relative positions of all the gas pipelines and flow velocity matching among gas of all the pipelines; thus, combustion can be fuller, the purpose of manufacturing large-core optical fiber parent metal is achieved, and a production efficiency is improved.

The invention discloses a preparation method of insecticidal and growth-promoting organic fertilizer special for blueberry. The preparation method includes: drying, smashing and sieving aloe, garlic, pepper, Rangoon creeper fruit, chrysanthemum flower and Cyrtomium rhizome to obtain a mixed material A, and performing supercritical CO2 treatment and concentration to obtain a solution B; mixing beta-cyclodextrin and distilled water well, and then performing microwave treatment to obtain a material C; pouring the solution B into the material C, stirring before standing, and fluidizing and coating to obtain a Chinese herbal medicine bacteriostatic agent; heating urea, adding potassium chloride, monopotassium phosphate, zinc sulfate, ferrous sulfate, borax and manganese sulfate, mixing, cooling, and smashing to obtain a material E; mixing straw residue, livestock and poultry excrement, mushroom residue, urea and microbial inoculant well, performing composting fermentation, drying, and smashing to obtain a material F; stirring the Chinese herbal medicine bacteriostatic agent, bentonite and water, adding polyvinyl alcohol, starch, the material E and the material F, mixing, granulating, drying, and cooling to obtain the insecticidal and growth-promoting organic fertilizer.

A Wrapping pressing type radial artery compressing hemostasis system comprises a bottom plate, a fixing device, a motor device, a lifting device, a support device, driving devices, an adjusting device, a first extruding device and a second extruding device, wherein first support blocks and first rollers are arranged on the bottom plate; the fixing device comprises a first fixing frame, a first fixing rod, a second fixing frame, a first oblique rod, a second oblique rod and a first support rod; the motor device comprises a third fixing frame, a third oblique rod, a first transverse plate, a first vertical rod, a fourth oblique rod, a first motor, a first output shaft and fourth fixing frames; the lifting device comprises a lifting board, an elastic rod, first springs, second support rods, second rollers, elastic plates and first sawteeth; the support device comprises third support rods, a first connecting rod, fourth support rods and second motors; the driving device comprises a fifth fixing frame, a driving wheel, second sawteeth, a positioning frame and a positioning rod. The system can perform effective compressing hemostasis on radial arteries of a patient and has a remarkable hemostasis effect.

The invention relates to workmanship of white flour craft paper wrapping type padding, and the workmanship comprises the steps of (1) adding constantly cationic starch and water in calcium carbonate paste, stirring constantly in the adding process until uniformly mixed paste of calcium carbonate and cationic starch is formed; (2) transferring the paste to a pressure kettle and conducting heating, adding water gradually in the process of heating to meet the needs of the cationic starch gelatinization, wherein the air pressure in the pressure kettle is at least 1.2 times above that of the standard atmospheric pressure; (3) transferring the mixture to a spray drying device when the starch in the step (2) is entirely gelatinized, then the powder prepared through spray drying is the padding. Adopting high pressure method to gelatinize the cationic starch can reduce effectively the molecular weigh of the gelatinized cationic starch, guarantee that the gelatinized cationic starch can more sufficiently wrap the calcium carbonate, further increase the combining ability of calcium carbonate with fibers, and reduce the wastage rate of calcium carbonate.

The invention discloses a rock core holder for a mud dynamic pollution experiment. The holder comprises a sleeve, first and second plugs and a membrane, the first and second plugs are detachably connected to the two ends of the sleeve respectively, the membrane is arranged in the sleeve and forms a cylindrical structure coaxial with the sleeve, a hollow area formed by the membrane in a surroundingmode is a rock core clamping area, a confining pressure area is arranged between the outer wall of the membrane and the inner wall of the sleeve, and a pressurizing opening communicated with the confining pressure area is formed in the surface of the sleeve. The provided rock core holder for the mud dynamic pollution experiment can solve the problems that simulation of the mud dynamic pollution experiment has a large error and limited in accuracy, the special-purposed rock core holder is realized for the mud dynamic pollution experiment, and objective parameters in the experiment process aresimulated more accurately.

The invention relates to the technical field of window cleaning devices, in particular to a full-automatic window wiping robot comprising a substrate; walking devices are arranged on the two sides ofthe substrate in the scrubbing direction; two cleaning modules are symmetrically arranged on one side, facing a working face, of the substrate; each cleaning module comprises a supporting plate, the edge of one side of the supporting plate is fixedly provided with a leaning plate, the inner side of the leaning plate is fixedly connected with one end of a chain net, the chain net comprises a groupof cylinders, the tips of every two adjacent cylinders are rotationally connected with each other through rotating plates, scrubbing cloth is fixedly connected to one side, facing away from the supporting plates, of the chain net, and the side, connected with the scrubbing cloth, of each cylinder is provided with a pressure sensor embedded in the cylinder; and the distance between the two cleaningmodules is adjusted through an adjusting device. According to the full-automatic window wiping robot in the invention, the chain net provided with the scrubbing cloth is pressed and attached to a right-angled surface formed by a window frame and glass through a pressing plate, so that corners can be deeply cleaned; and the position of the pressing plate can be adjusted, so that windows with different specifications can be cleaned, and the cleaning efficiency is improved.

The invention discloses a preparation method of environment-friendly lead-cadmium-free red glass. Basic components and a stable colorant are used as raw materials. The method includes the steps that firstly, the stable colorant and sodium silicate are mixed evenly and subjected to low-temperature pretreatment, and then the mixture and the basic components are mixed evenly to obtain a mixed raw material; the mixed raw material is molten at a rising temperature to form a melt, and after temperature reduction, forming and natural cooling to the room temperature, basic glass is obtained; the basicglass is calcined for secondary color development, and then the environment-friendly lead-cadmium-free red glass is obtained. Besides, the invention discloses the product prepared by the preparationmethod of the environment-friendly lead-cadmium-free red glass. The preparation method is simple and easy to implement, the technological process is stable and reliable, the problems that in the priorart, a founding technology is complex and color development is not stable are effectively solved, and the obtained product has high visible light transmittance and can be widely applied to many fields such as building materials, artistic decoration and optical application.

The invention discloses a tensile and compression resistance steel bar connector and a using method thereof. The problems in the prior art that the connection stability of steel bars is poor and multiple sets of equipment are needed to realize on-site connection are solved. The tensile and compression resistance steel bar connector has the beneficial effects of being applicable to connection of steel bars with different diameters and improving the overall deformation resistance. According to the scheme, the tensile and compression resistance steel bar connector comprises a connecting plate andat least two pressing blocks, wherein the connecting plate is provided with a first clamping groove, a hinge shaft is arranged on the side, in the length direction, of the connecting plate, and the pressing blocks are provided with second clamping grooves; the hinge shaft sleeves one end of each pressing block, the end of each pressing block can rotate relative to the hinge shaft, the other end of each pressing block is connected with the connecting plate through a locking piece; adjacent pressing blocks are arranged at intervals with a set distance; and clamping of the steel bars is realizedthrough the cooperation of the first clamping groove and the second clamping grooves, so that the connection of two adjacent sections of the steel bars is further realized.

The invention discloses an anti-adhesion cold storage device for a flavored dried fish raw material and relates to a food storage device. The cold storage device comprises a shell, wherein the shell comprises a side wall, a shell bottom and a top cover, the side wall is fixed above the shell bottom, and the top cover is hinged to the side wall; the shell is wrapped with a heat preservation layer,the side wall of one side of the shell is provided with an air supply pipe communicating with the inner part of the shell, and an air cooler is arranged on the air supply pipe; the side wall of the other side of the shell is connected with a fan from the inside of the shell, and a cooling net is horizontally arranged inside the shell, and the cooling net is connected with the inner wall of the shell through a tension spring; the fan is located above the cooling net, the fan sleeves a rotating shaft in a spaced mode, the rotating shaft is fixedly arranged on the inner wall of the shell, a cam is arranged on the rotating shaft, the cam is provided with a bulge, the bulge can touch the cooling net in the rotating process, an air outlet of the air supply pipe right faces a fan blade of the fan, so that the problem that the integrity of dried fish flesh is damaged due to adhesion of dried fish in the freezing process is solved, and the anti-adhesion cold storage device is suitable for fresh-keeping of the flavored dried fish or fresh dried fish.

The invention relates to an automotive interior energy-storage fluorescent paint and a preparation method thereof. The fluorescent paint comprises, by weight, 40-50 parts of thermoplastic acrylic resin, 5-15 parts of chlorinated polypropylene resin, 10-20 parts of fluorescent powder, 1-5 parts of abrasive powder, 0.1-0.5 parts of anti-sediment agent, 0.2-0.5 part of flatting agent, 0.5-1.5 parts of antioxidant and 15-25 parts of mixed solvent. The preparation method includes sequentially adding mixed solvent, thermoplastic acrylic resin, chlorinated polypropylene resin, anti-sediment agent and abrasive powder to an agitator vessel, agitating and mixing fully to obtain a mixture, transferring the mixture to a horizontal type grinder, grinding the mixture fully until fineness thereof is not larger than 20 micrometers, and then transferring the ground mixture to the agitator vessel, adding flatting agent, antioxidant and florescent powder according to part by weight and stirring and then mixing completely so as to obtain the automotive interior energy-storage fluorescent paint. Compared with the prior art, the fluorescent paint has the advantages of high adhesion, high light intensity, long lighting time, high stability, wear resistance and the like, can emit light at night when applied to automotive interiors, and is energy-saving, environmental friendly, convenient and practical.

The invention belongs to the technical field of seedling planting devices, and especially relates to a seedling planting device for agricultural machinery. For the problems of simple design structureof existing seedling planting devices, poor trunk clamping effects and easy damage to trunks, the following schemes are provided: the device includes a fixing block; the outer wall at the bottom of the fixing block is provided with a groove; a rotary motor is fixed on the inner wall of the groove through a screw; the output shaft of the rotary motor is connected to a rotating plate through a coupling; fixing plates are fixed on the two sides of the outer wall at the bottom of the rotating plate; electric telescoping rods are fixed on outer walls of the opposite sides of the two fixing plates through the screws; and moving plates are fixed on one ends of piston rods of the electric telescoping rods. The occurrence of trunk sliding can be avoided; buffer springs can achieve good buffering effects, so that damages to the trunks caused by excessive clamping force during clamping can be prevented; and the device is good in clamping effect, so that transplanting quality of saplings can be guaranteed, and the survival rate of the saplings can be increased.