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138results about How to "Not easy to generate static electricity" patented technology

Double-sided ink-jet printer

The invention relates to a double-sided ink-jet printer. The double-sided ink-jet printer comprises a printing unit; the printing unit comprises a main frame; a feeding device is mounted on the main frame, the feeding device comprises a plurality of supporting rollers, and a printing medium forms four printing areas under the supporting of the supporting rollers; a Y-axis transmission device is arranged above the printing area; a printing trolley is driven by the Y-axis transmission device to move forwards to the position above the printing area and move backwards to the position above the nozzle maintenance area; a printing nozzle is mounted in the printing trolley, and the bottom surface of the printing nozzle is parallel to a printing medium below the printing nozzle; a constant-temperature secondary ink box is arranged above the printing nozzle; a nozzle maintenance device mounted below the Y-axis transmission device is arranged in the nozzle maintenance area; and an independent ink supply device is arranged behind the main frame. The double-sided ink-jet printer has the beneficial effects that the double-sided ink-jet printer can adapt to iterative upgrading of the printing function, the upgrading speed is high, the upgrading period is short, the upgrading cost is low, the nozzle cleaning effect is good, and the printing quality is high.
Owner:BEIJING ZHONGDIAN YUANDE TECH CO LTD

Diamond-doped aluminum-based composite heat radiation material and preparation method thereof

The invention discloses a diamond-doped aluminum-based composite heat radiation material and a preparation method thereof. The heat radiation material is prepared from, by weight, 63-65 parts of aluminum, 2-5 parts of diamond nanopowder, 4-5 parts of aluminum nitride, 5-7 parts of ceramic powder, 4-8 parts of graphite powder, 1-4 parts of multi-walled carbon nano-tube, 5-8 parts of vanadium diboride, 1-2 parts of zirconium diboride, 8-10 parts of gold tailings, 1-3 parts of glycerol, 1-2 parts of triethanolamine, 0.4-0.8 parts of sodium borate, 1-5 parts of an assistant and 2-6 parts of a halogen-free fire retardant. Compared with traditional aluminum heat radiation materials, the material disclosed in the invention integrates the advantages of aluminum, aluminum nitride, diamond, the ceramic powder, the graphite powder and the multi-walled carbon nano-tube, and also has good heat conduction and insulating performances; the added assistant can enhance the compatibility among the above raw materials, and improves the sintering effect, so the material has the advantages of difficult generation of static electricity on the surface, solidness, corrosion resistance, durability, and good heat radiation capability, can well protect LED lights, and effectively prolongs the service life of the lights.
Owner:ANHUI SHUNTONG PACKAGING MATERIAL

Dust remover for filtering combustible dust-containing gas

The invention discloses a dust remover for filtering combustible dust-containing gas. According to the invention, a plurality of first guide pipes are arranged at one end of a supporting plate at equal intervals; a second guide pipe is welded and fixed at one ends of the first guide pipes; a plurality of third guide pipes are arranged at one end of the supporting plate at equal intervals; one endsof the third guide pipes are welded and fixed with a fourth guide pipe; and by arranging the fourth guide pipe and the second guide pipe, the first guide pipes are internally communicated with the second guide pipe, so that condensed nitrogen circularly flows in the first guide pipes, the first guide pipes can cool a filtering core, and after gas enters a filtering box, the gas passes through a filtering core to filter and separate dust particles, the dust particles are not prone to generate static electricity through cooling and humidity increasing, the mass of the dust particles is increased due to humidity increasing, the dust particles are prone to sinking into the bottom end of a dust accumulation box, and the accumulated dust is conveniently treated so as to substantially improve the dust treatment efficiency in gas and conveniently achieve subsequent accumulated dust treatment.
Owner:安徽华创环保设备科技有限公司

Production method of skin-moistening moisture-keeping paper special for mothers and infants

The invention discloses a production method of skin-moistening moisture-keeping paper special for mothers and infants. The skin-moistening moisture-keeping paper comprises the following component: a bleached soft wood and broadleaf wood pulp plate. The skin-moistening moisture-keeping paper is prepared through the following steps: S1, taking the bleached soft wood and broadleaf wood pulp plate asslurry, and respectively dispersing the slurry into long-fiber slurry and short-fiber slurry by a hydraulic pulper; S2, beating the long-fiber slurry to a beating degree of 19-22 degrees SR through adisc mill, defibering the short-fiber slurry through a high-frequency defibering machine, mixing the defibered short-fiber slurry with the long-fiber slurry according to a proportion of 60:40, and beating the obtained mixture to a beating degree of 26-30 degrees SR through a leveling mill; S3, adding a softening agent of 0.8-1.2 kg/T; S4, enabling the prepared slurry to form original paper; S5, carrying out spraying by a spraying device; S6, linking the start-stop of the spraying device with a rewinder program, and reeling up a coiled paper roll by a rewinder; and S7, carrying out packaging. According to the invention, plant extracts are used as raw materials, skins are not damaged easily, the preparation is simple, and the product quality is improved.
Owner:ZHEJIANG JINGXING PAPER

Efficient waterproof dustproof fiber cement board

The invention discloses an efficient waterproof dustproof fiber cement board, and belongs to the technical field of building materials. According to the invention, bamboo shoots are crushed and mixedwith alkali liquor, so that the space between fiber components can be filled with tiny calcium carbonate components, and the formed mixture is mixed with citric acid liquid for hydrolysis. A micelle solution is prepared by polymerizing monomers such as N-dodecylacrylamide, the internal stability is improved, and through combination with the components of a composite hydrophobic dustproof base material, the water resistance of the formed fiber cement board is improved and the fiber cement board is not easily contaminated by dust. Bamboo shoots are treated, filling of multiple inorganic macromolecular components is combined, fibers and inorganic macromolecules are subjected to net capture by utilizing hydrophilic and hydrophobic effects shown by a carbon nanotube network at different temperatures, the waterproof property is improved, the dustproof property is also provided, and a prepared amphiphilic binary copolymer has the effect of supplementing and improving the waterproof property and the dustproof property from the aspect of an internal structure. The fiber cement board solves the problems that a common fiber cement board at present is poor in waterproofness and prone to beingcontaminated by dust.
Owner:佛山市世为创意家具有限公司

Stretch- and fatigue-resistant shielding soft data cable

The invention discloses a stretch- and fatigue-resistant shielding soft data cable which comprises eight metal conductor units and an aramid reinforcement element, wherein the metal conductor units comprise aramid fiber arranged at the centers, inner conducting layers and outer conductor layers; four symmetric insulated wire pairs are twisted around the outer surface of the aramid reinforcement element to form a cable core; a second polytetrafluoroethylene layer longitudinally wraps the outer surface of the cable core, gaps between the second polytetrafluoroethylene layer and the four symmetric insulated wire pairs are filled with a plurality of cotton yarns, a cotton fiber thread is wound around the outer surface of the second polytetrafluoroethylene layer to form a buffer sliding layer, the winding direction of the cotton fiber thread is opposite to the twisting direction of the four symmetric insulated wire pairs, a plurality of metal wires are wound around the outer surface of the buffer sliding layer in parallel to form a metal shielding layer, the winding direction of the metal wires in the metal shielding layer is opposite to that of the cotton fiber thread, and a third polytetrafluoroethylene layer wraps the outer surface of the metal shielding layer. The stretch- and fatigue-resistant shielding soft data cable has the advantages of low friction coefficient, softness, stretch resistance and no friction static generation, and stable structural and electrical performance after frequent moving still can be guaranteed.
Owner:JIANGSU HENGTONG WIRE & CABLE TECH

Adding method of flame inhibitor of coal mine permitted detonator explosive

InactiveCN103864546AHigh coverageLow costDetonatorsWater soluble polymersSolvent
The invention discloses an adding method of a flame inhibitor of a coal mine permitted detonator explosive. The method comprises the following steps: 1, adding polyvinyl alcohol into water, and heating for dissolving to form an aqueous solution of polyvinyl alcohol; 2, adding the flame inhibitor into the cooled aqueous solution of polyvinyl alcohol, and fully stirring to form a suspension; and 3, putting the prepared explosive particles in the drum of a drum coating machine, allowing the drum to rotate, adding the suspension obtained in step 2 in a dropwise manner to wet the particles, introducing hot air for drying, adding the suspension, and repeating the above suspension addition and drying process until no suspension is residual, and drying to prepare a flame inhibitor-containing explosive. Compared with the prior art, the method has the following substantial characteristics: the coating rate of the flame inhibitor is high, so the cost is reduced; the content of the flame inhibitor coated in the explosive can be easily adjusted; the surface of the particles is uniformly coated with a water-soluble film, so the surface of the particles is smooth, and the fluidity of the particles is improved; crystals of the flame inhibitor coated on the surface of the particles unlikely generate a static effect, so the static accumulation of the particles is reduced; and polyvinyl alcohol is a water-soluble polymer, and water is used as a solvent, so no organic solvent volatilizes in the production process, and the method is nontoxic and has no pollution.
Owner:NANJING UNIV OF SCI & TECH

Antibacterial and anti-mite blended non-woven fabric based on polylactic acid fibers

InactiveCN110791879ASolve the lack of natural antibacterial and anti-mite effectsGood biocompatibilityNon-woven fabricsUndergarmentsEngineeringNonwoven fabric
The invention discloses an antibacterial and anti-mite blended non-woven fabric based on polylactic acid fibers. The blended non-woven fabric is prepared by mixing the polylactic acid fibers with absorbent cotton. The specific preparation process comprises the following steps: preparing raw materials; feeding the the raw materials into a disc plucker; feeding the raw materials into a multi-bin cotton mixer; feeding the raw materials into a finishing machine; feeding the raw materials into a carding machine; feeding the raw materials into a cross lapping machine; feeding the raw materials intoa fiber drafting machine; carrying out spunlace treatment; feeding the raw materials into a coiling machine; carrying out drying treatment; feeding the raw materials into a splitting machine; and packaging and warehousing. The problem that an existing all-cotton spunlaced non-woven fabric does not have natural antibacterial and anti-mite effects is solved, and after a certain proportion of polylactic acid fibers are blended in all-cotton, the natural antibacterial and anti-mite characteristics of the polylactic acid fibers are utilized, so that the blended non-woven fabric also has the naturalantibacterial and anti-mite functions.
Owner:安庆市嘉欣医疗用品科技股份有限公司
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