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40 results about "Flash powder" patented technology

Flash powder is a pyrotechnic composition, a mixture of oxidizer and metallic fuel, which burns quickly and if confined produces a loud report. It is widely used in theatrical pyrotechnics and fireworks (namely salutes, e.g., cherry bombs, M-80s, firecrackers, and cap gun shots) and was once used for flashes in photography.

Environment protection type colourful flashing hot-melt adhesive

The invention relates to environment-friendly colorized flash hot-melt adhesive, which comprises main body resin, tackifying resin, a diluent agent, flash powder, pigment and solvent, wherein the main body resin is selected from one sort or a plurality of sorts of ethylene-vinyl acetate copolymer EVA, ethylene-butyl acrylate copolymer EMA, ethylene-acrylic acid copolymer EAA, ethylene-ethyl acrylic acid copolymer EEA, styrene-isoprene copolymer SIS, styrene-butadiene copolymer SBS and amorphous alpha-olefin polymer APAO; and the tackifying resin is selected from one sort or a plurality of sorts of rosin, polymerized rosin, 145 resin, 138 resin, terpene resin, petroleum resin or hydrogenant petroleum resin. The environment-friendly colorized flash hot-melt adhesive adopts the nontoxic flash powder which has excellent suspension property and is cheap, environment-friendly, unprecipitated and easy to be dispersed evenly as filler; moreover, the usage amount of the tackifying resin is increased, thereby substantially reducing product cost and improving product bonding strength and performance.
Owner:金尔升

Flash scratchproof protection film and preparation method thereof

The invention discloses a flash scratchproof protection film, which comprises a scratchproof layer protection film PET (polyethylene terephthalate) substrate, a protection film glue layer, a scratchproof layer, a composite main film PET substrate, an installing glue layer and an installing flue protection film PET substrate, wherein at least one of scratchproof layer, the composite main film PET substrate and the installing glue layer contains flash powder, or a color transparent material or a mixture containing the flash powder and the color transparent material. According to the protection film, because at least one of the scratchproof layer, the composite main film PET substrate or the installing flue layer is the flash layer or the color transparent layer or the color flash layer, the whole protection film has the characteristics of multiple colors and flashing, transparent brightness, strong fashion sense and the like; the flash scratchproof protection film can be widely used for various liquid crystal displays or automobile protection films and satisfies fashion pursuing trends of young people; and a preparation method of the flash scratchproof protection film is simple and easy to operate and is suitable for industrial production.
Owner:SUZHOU XILIN OPTOELECTRONICS TECH IND

Preparation method of pure nosiheptide

The invention relates to a preparation method of pure nosiheptide. The method comprises the steps that nosiheptide flashing powder is used as raw materials, a solvent is added for digestion, the temperature is controlled within 20-60 DEG C, and stirring is performed at the uniform rotating speed of 50-300 r / min for 1-3 h; a leaching solution obtained after the raw materials are processed is separated from solid mushroom dregs, the leaching solution is concentrated on a rotary evaporator at the temperature of 30-70 DEG C, and the organic solvent is recycled to obtain a concentrated solution; water and an elution agent are added into the concentrated solution, stirring is performed at the rotating speed of 100-400 r / min for 1-5 h, and then suction filtration is performed to obtain filter cakes; the filter cakes are placed into a vacuum drying oven, drying is performed at the temperature of 20-70 DEG C and the vacuum degree of minus 0.09 MPa for 6-16 h, and smashing is performed to obtain the pure nosiheptide. The method has the advantages that the production technology is simple, operation is convenient, the production efficiency is high, the product purity is high, and economy and environmental protection are achieved; the extracted nosiheptide can be prepared to obtain nosiheptide raw drugs or nosiheptide premixing agents of different specifications.
Owner:山东胜利生物工程有限公司

Injection molding material, preparation method thereof, and injection molding product thereby

ActiveCN102746604AImprove pass rateEfficient secondary processingPowder SprayLight transmission
The invention discloses an injection molding material, a preparation method thereof, and an injection molding product thereby. The injection material comprises metallic flashing powder and injection molding granules at the weight ratio of 1-5:100. With technical schemes of the invention and based on the prior injection molding technologies, the metallic flashing powder is added into the injection molding granules, so that the injection molding product prepared by the injection molding material has similar or even better effects of metallic flashing powder spraying. The product prepared by the injection molding material of the invention is finished by direct injection molding, so that compared with secondary processing of spraying, the product is prepared more efficiently and the qualified rate of the product is higher; and color and transparency are blended, so that the product prepared by the injection molding material achieves different light transmission effects.
Owner:GREE ELECTRIC APPLIANCES INC

Color changing noctilucent mobile phone protection sleeve and processing process thereof

InactiveCN106913038ARealize the color changing functionRealize night light functionOther accessoriesSpecial surfacesPhosphorProtection KIT
The invention relates to a mobile phone fitting part and a processing process thereof, particularly to a color changing noctilucent mobile phone protection sleeve and a processing process thereof. The color changing noctilucent mobile phone protection sleeve comprises a silica gel mobile phone sleeve body provided with a mobile phone accommodation cavity, wherein the surface of the silica gel mobile phone sleeve body is sprayed with a mixed color changing layer, the mixed color changing layer is sprayed with a flash powder layer, the surface of the flash powder layer is sprayed with an UV curable varnish layer, the mixed color changing layer is formed by mixing 20-40% by mass of phosphor, 10-20% by mass of color changing powder and 40-60% by mass of UV curable varnish, and the flash powder layer is a 80-160 mesh pearl powder layer. According to the present invention, the color changing noctilucent mobile phone protection sleeve can simultaneously achieve the functions of color chaging and noctilucence, can be changed into different colors in the case of illumination and temperature changing, and can emit light in the dark, such that the visual effect requirement of people can be met, and the user can conveniently find the mobile phone in the dark.
Owner:宁波福天新材料科技有限公司

Flashing powder coating containing pigment scarlet

The invention discloses a flashing powder coating containing a pigment scarlet. The flashing powder coating is characterized by comprising the following components in parts by weight: 28-30 parts of bisphenol-A epoxy resin, 28-30 parts of saturated polyester resin, 25-28 parts of precipitated barium sulphate, 1-1.2 parts of a leveling defoamer, 0.5-1 part of stearic acid, 7-9 parts of titanium dioxide, 0.5-1 part of carbon black and 3-4 parts of pigment scarlet; and the flashing powder coating is prepared through mixing various components, carrying out melting, extruding and cold pressing to form sheets, crushing and grinding the sheets into powder, sieving the powder and then mixing with aluminite powder of which the particle sizes are 30-50mm. The flashing powder coating prepared by adopting the formula and the process has the characteristic of being stable and persistent in flashing effect.
Owner:东莞市联盈粉末制品有限公司

Acrylic board

The invention discloses an acrylic board, which comprises an acrylic base plate, an acrylic upper cover plate and an acrylic lower bottom plate. The acrylic base plate is of an H-shaped structure, anda decorative cavity is formed between the acrylic base plate and the acrylic upper cover plate; a gypsum board layer, a deadening felt layer, a sound-absorbing sponge layer and a glass fiber layer are sequentially arranged between the acrylic base plate and the acrylic lower bottom plate from top to bottom; heat dissipating holes are formed in the acrylic base plate, the acrylic upper cover plateand the acrylic lower bottom plate correspondingly; a heat-resisting layer is arranged on the outer side face of a cuboid defined by the acrylic base plate, the acrylic upper cover plate and the acrylic lower bottom plate; and an image-text layer is arranged in the decorative cavity, flashing powder is arranged in the decorative cavity, and the heat-resisting layer is formed through spraying. Thestructure is compact, the design is reasonable, the functions of deadening and heat resistance are further achieved, and practicability is high.
Owner:安徽迈明亚克力科技有限公司

Steel ball free simulated antitank grenade for training

InactiveCN101126617AFully simplify the structureFully simplify materialsTraining ammunitionDetonatorEngineering
The utility model relates to a simulated grenade without steel ball used for training, comprising a rubber or plastic simulated grenade case, a safety plate and a safety pin with pulling ring, an accommodation hole arranged on the middle of the grenade case for penetrating bottom surface, an explosive device with a firing lanyard arranged in the accommodation hole. The explosive device comprises an outer cartridge without explosive powder bottom plates at the upper and lower ends, a plurality of flash powder, igniting powder, deferring detonator and explosive powder with safety dose arranged in the space between the upper and lower bottom plates. The flash powder is connected with one end of the firing lanyard coated with friction composition, and the safety plate is connected with the other end passing through the upper end and the grenade case. The sealing glue is arranged on the bottom port of the accommodation hole of the grenade case. The utility model has the advantages that the appearance of the simulated grenade is similar to the actual grenade, the actuating mechanism and explosive device can realize the simulated smog and sound, the explosive device is safety without lethality, the verisimilar training can be guaranteed; the simulated grenade is safe with simple structure, can avoid casualty accident, reach the training effectiveness of live ammunition, decrease the consumption material and reduce the training costs.
Owner:李增加

Steel ball free simulated antitank grenade for training

The utility model relates to a simulated grenade without steel ball used for training, comprising a rubber or plastic simulated grenade case, a safety plate and a safety pin with pulling ring, an accommodation hole arranged on the middle of the grenade case for penetrating bottom surface, an explosive device with a firing lanyard arranged in the accommodation hole. The explosive device comprises an outer cartridge without explosive powder bottom plates at the upper and lower ends, a plurality of flash powder, igniting powder, deferring detonator and explosive powder with safety dose arranged in the space between the upper and lower bottom plates. The flash powder is connected with one end of the firing lanyard coated with friction composition, and the safety plate is connected with the other end passing through the upper end and the grenade case. The sealing glue is arranged on the bottom port of the accommodation hole of the grenade case. The utility model has the advantages that theappearance of the simulated grenade is similar to the actual grenade, the actuating mechanism and explosive device can realize the simulated smog and sound, the explosive device is safety without lethality, the verisimilar training can be guaranteed; the simulated grenade is safe with simple structure, can avoid casualty accident, reach the training effectiveness of live ammunition, decrease the consumption material and reduce the training costs.
Owner:李增加
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