46results about How to "Enhance the adsorption force" patented technology

The invention discloses a preparation method and an application method of a low-temperature low-chromium dyeing auxiliary agent of an acidic medium dye for wool. The preparation method comprises the steps that: 1, protein powder is prepared by using waste duck feather, wherein (1) the duck feather is subjected to pretreatment; (2) the suck feather is subjected to a dissolving treatment; and (3) duck feather protein powder is prepared; 2, a sodium hydroxide solution is prepared, and the sodium hydroxide solution is used for dissolving the duck feather protein powder; 3, sodium hydroxide, triethanolamine, and epichlorohydrin are adopted for preparing a cationic quaternary ammonium salt cross-linking modification agent WLS; and 4, the low-temperature low-chromium dyeing auxiliary agent for the acidic medium dye is prepared. The auxiliary agent can be used as a wool modification agent. After wool fibers are modified, wool fiber dyeing properties of acidic medium dyes are greatly improved, dye uptake percentage rate can be improved, mordant absorption performance of the dye is improved, chromium pollution in dye wastewater is reduced, wool fiber low-temperature low-chromium dyeing is realized, and waste duck feather keratin is effectively utilized. After modification, the wearability of wool products is improved.

The invention belongs to the technical field of fibers, and particularly relates to a composite phase-change temperature-adjusting material and a preparation method thereof, and a multi-phase-change temperature-adjusting fiber and a preparation method and application of the multi-phase-change temperature-adjusting fiber. The provided composite phase-change temperature-regulating material comprises phase-change energy-storage microcapsules and phase-change energy-storage aerogel which are dispersed in a dispersing agent; the capsule core material of the phase-change energy-storage microcapsules is n-hexadecane or n-heptadecane, and the capsule wall material is gelatin and Arabic gum; and the phase-change energy-storage aerogel comprises graphene aerogel and a phase change compound adsorbed in pores of the graphene aerogel, and the phase change compound comprises n-nonadecane, n-eicosane or n-heneicosane. In the invention, the composite phase-change temperature-regulating material comprises two phase-change temperature-regulating materials, has two phase-change temperature-regulating temperatures, and can meet the requirements of different temperatures and multiple application fields.

The invention discloses a 2,4-diaminotoluene molecularly imprinted polymer, a preparation method and application thereof, and particularly provides the 2,4-diaminotoluene molecularly imprinted polymer prepared from a functional monomer of methyl acrylic acid, a template molecule 2,4-diaminotoluene, and a crosslinking agent divinyl benzene, a preparation method for the molecularly imprinted polymer, and application of the molecularly imprinted polymer to solid phase extraction separation. The 2,4-diaminotoluene molecularly imprinted polymer provided by the invention is more excellent in mechanical property, higher in specific volume, higher in adsorption acting force to 2,4-diaminotoluene, and higher in adsorption capacity to 2,4-diaminotoluene; the preparation method for the 2,4-diaminotoluene molecularly imprinted polymer is short in synthesis time, and the washing of the template molecule is easy; the molecularly imprinted polymer is high in solid phase extraction efficiency to 2,4-diaminotoluene and more thorough in adsorption.

The invention relates to a magnetic modeling platform for a 3D printer. The magnetic modeling platform comprises a modeling platform body and a base plate allowing forming of printing materials, the base plate is placed above the modeling platform body, and is composed of an inner layer and an outer layer covering the outer side of the inner layer, the inner layer is made of magnetic metal attracted by an electric disk, the outer layer is made of plastic, and the modeling platform body is provided with a magnetic generating device for adsorbing the base plate to the modeling platform body through magnetism. According to the scheme, the magnetic modeling platform for the 3D printer is provided, wherein the magnetic modeling platform is simple in structure, facilitated locking and separationof the base plate, and has the high base plate strength.

The present invention relates to a horizontal fetching and placing system of two-phase solar energy wafer and a fetching and placing method thereof. The horizontal fetching and placing system of two-phase solar energy wafer is able to fetch solar wafer from a load crystal boat that has several horizontal placement grooves to make the solar wafer horizontally placed in the horizontal placement grooves. The horizontal fetching and placing system includes an adsorption fetching and placing device, a driving device and a processing device. The adsorption fetching and placing device is able to absorb and wipe out an absorbing solar wafer. When the adsorption fetching and placing device that driven by the driving device fetches or places the solar wafer to the horizontal placement grooves, the adsorption fetching and placing device is subject to processing device and maintains the low tension suction. When the solar wafer fetched out of the load crystal boat or in the process of transmitting, the solar wafer maintains high tension suction toward fetching solar wafer.

The invention relates to the field of environment protection and discloses an in-situ sludge recycling system device which comprises a vertical non-dynamic spiral stirring biological drying device, avertical sandless jet carbonization furnace, a crushing vacuum liquefaction device, a tail gas wet process treatment device, a dust collector, a heat exchanger and a negative pressure device. According to the in-situ sludge recycling system device, sludge is treated by using a technique of biological drying and carbonization energy-saving resource recycling and in-situ recycling, a truly seamlessclosed loop of sludge treatment and disposal is achieved, meanwhile, development of related industries is promoted, and the requirements of "green, recycling and low-carbon" are truly achieved. The technique is a novel comprehensive sludge treatment and disposal system with a high integration degree, and has the technical advantages of being low in operating cost, small in floor space, high in automation degree, simple in operation management, free of secondary pollution, and the like.

The invention discloses a device and a method for circularly purifying air in a conventional submarine. The device comprises a shell, wherein a CO2 absorption chamber and an O2 generation chamber are arranged in the shell; a motor connected with a rotating bed in the CO2 absorption chamber is arranged on one side of the shell, a gas inlet is connected to the top of the shell, and a gas inlet pipeline is sequentially connected with a first monitoring instrument, a first adjusting valve and a first flow meter; the other side of the shell is sequentially connected with a second monitoring instrument, a second adjusting valve and an air purifier; one side of the air purifier is connected with a third adjusting valve, a second flow meter and a third monitoring instrument; the CO2 absorption chamber is connected with an air blower, a carbon dioxide absorption composite material, a rotary machine tool and a first temperature controller; an inlet of the O2 generation chamber is sequentially connected with a fourth adjusting valve, a third flow meter, a check valve, a composite potassium permanganate solution and a second temperature controller through pipelines. The device is stable in structure and relatively low in cost, and has relatively high research value and application prospect.

The invention discloses boric acid affinity rutin molecularly imprinted magnetic nanospheres as well as a preparation method and an application thereof, and belongs to the technical field of nano material preparation. The method comprises the following steps of: modifying a phenylboronic acid group on the surface of a carboxyl magnetic sphere through amido bond connection, taking the obtained phenylboronic acid modified magnetic nanosphere as a carrier, taking rutin as a template molecule, taking polyethyleneimine as a hydrophilic functional monomer, and adopting a method of combining two-step template fixation and surface imprinting. The rutin molecularly imprinted magnetic nanospheres prepared by the method disclosed by the invention are rich in functional monomer groups, uniform in particle size, good in water dispersibility and good in selectivity; the method is a novel method for preparing the rutin molecularly imprinted polymer with high affinity and high selectivity, and shows a wide application prospect in the aspects of selective extraction and separation of the active pharmaceutical ingredient rutin in plants and the like.

An inkjet printer capable of suppressing a reduction in adsorption power relative to media as compared to the related art is provided. The inkjet printer includes a medium adsorbing device that has a medium adsorbing unit for adsorbing a medium, and an inkjet head that faces a portion of the medium adsorbing unit with a medium interposed therebetween. The medium adsorbing unit has a plurality of suction holes for sucking gas in order to adsorb a medium on an adsorption surface positioned on a side of the inkjet head. The medium adsorbing unit has a printing section and a downstream side adjacent section on a side of the adsorption surface. In the printing section, printing is performed on each medium by the inkjet head.

The invention relates to the field of packaging demounting, in particular to automatic flip equipment. The automatic flip equipment comprises a mounting rack, and a conveying assembly, a detection mechanism, a cutter flip assembly and an adsorption assembly are fixedly mounted on the mounting rack; a conveying mechanism comprises a first conveying mechanism and a second conveying mechanism which are used for conveying packaging boxes in the same direction; the detection mechanism is arranged between the first conveying mechanism and the second conveying mechanism and comprises a compression air cylinder fixed to the mounting rack and a compression table fixedly arranged on a piston of the compression air cylinder; a spring is connected between the bottom face of the compression air cylinder and the piston; and the top end of the compression table is provided with a bevel which comprises a low end and a high end, and the low end of the compression table is not higher than a second conveying belt in position. Compared with the prior art, the automatic flip equipment solves the problems that traditional manual box flipping is large in work amount and much in consumed time.

The invention relates to the technical field of cleaning appliances, and discloses a steam mop device. The device comprises a handle and a mop main body connected with the handle, wherein the mop mainbody comprises a casing, a dust bucket module and a fan module; a strip-shaped air suction inlet is formed in the dust bucket module; a rotatable first elastic scraping strip is arranged at the frontend of the strip-shaped air suction inlet; a second elastic scraping strip is arranged at the rear end of the strip-shaped air suction inlet; a scraping portion and a jacking portion arranged on theouter side of the scraping portion are arranged on each scraping strip; and during the cleaning, the scraping portion of one elastic scraping strip is in surface contact with a cleaning surface when the scraping portion of the elastic strip is cleaned, and the scraping portion of the other elastic scraping strip forms a cleaning gap with the ground. In the state of use, the two elastic scraping strips interact with each other, one elastic scraping strip forms surface contact with the cleaning surface, and the other elastic scraping strip forms a cleaning gap with the cleaning surface all the time, so that dust can be blocked during the cleaning, and relatively large adsorption force can be generated to enhance the cleaning effect.

The invention provides a microporous activated carbon fiber and a preparation method thereof, and belongs to the field of activated carbon fibers. The ash content of the microporous activated carbon fiber is 1.1 wt%-2.0 wt%, the specific surface area is 1500 m < 2 >/g-2100 m < 2 >/g, the proportion of pores below 0.8 nm is 40-50%, the proportion of pores of 0.8-2 nm is 50-60%, no mesopores above 2nm exist, the O element content is 5%-15%, the C element content is 65%-90%, the H element content is 1%-2%, and the ignition point is 300-450 DEG C. The preparation method comprises the following steps: impregnating raw materials with a phosphoric acid aqueous solution, drying, carbonizing, washing with water, and carrying out high-temperature modification to obtain the activated carbon fiber. Wherein the raw materials are artificial fibers and/or natural fibers; the mass fraction of the phosphoric acid aqueous solution is 5%-15%. The microporous activated carbon fiber has the advantages ofno mesopore, high proportion of 0.8-2 nm micropores, large specific surface area, high strength and no sticking problem; meanwhile, the ignition point is high, the hydrophobicity is high, and the VOCsadsorption acting force is enhanced; the preparation method is low in cost and high in product yield.

The invention discloses a method for improving low-temperature mechanical properties of a composite solid propellant, and belongs to the field of composite solid propellant manufacture. The method is characterized in that a composite solid propellant material formula adopts ultra-fine ammonium perchlorate to replace conventional ammonium perchlorate; a grain size (d4, 3) of the ultra-fine ammonium perchlorate is controlled in a range of 0.7 to 2.8 micrometers; and a mass percent of the ultra-fine ammonium perchlorate in the composite solid propellant material formula is in a range of 1 to 8%.The method can improve an increase range of low-temperature mechanical properties, and solve the problems of complex screening process, high testing cost, poor compatibility, easy aging and the like.

The invention discloses sample random extraction equipment for integrated circuit test. The structure is provided with a supporting column, a sliding frame, a moving device, a sliding block and a main motor, wherein the sliding frame is fixedly embedded above the supporting column, the moving device is fixedly connected to the sliding block, and the moving device is transversely placed when a movable body is subjected to adsorption force; an opening blocking state is formed at the position above the inner side of the suction opening by a certain distance, the oppositely-arranged air cushions make contact with each other and abut against each other, the air cushions are flexibly changed under cooperation of the air cushions and the fold pieces, transverse placement of the solid plate is not hindered due to too large friction of the front end of the solid plate, a vertical through diameter structure is formed between every two hoses, air flow circulation is facilitated, an adsorption effect is formed below the movable body, integrated circuit samples can be sucked up, balanced suction force is applied to the samples, and therefore it is guaranteed that only one circuit board is sucked, uniform suction force is applied to the samples of different specifications and sizes, and the situation that when the suction force is different, the sheet-shaped samples tilt and are clamped into the suction device, and the extraction work efficiency is reduced is avoided.

The invention discloses high-light oil wax leather and a preparation technology thereof, and belongs to the technical field of leather. The surface of the high-light oil wax leather disclosed by the invention is coated with a first priming coat, a second priming coat, a polishing priming coat and a light oil layer in a spraying manner in sequence. The preparation technology of the high-light oil wax leather comprises the following steps: return water standing, first drum falling and oscillation softening, leather blank priming, knurling, second drum falling, coloring, polishing priming coat spraying, polishing, roll finishing and third drum falling, shading and feeling agent spraying. The high-light oil wax leather disclosed by the invention is long in service life, high in color fastness and extremely high in flexibility, and has excellent smooth and moist hand feeling; and the raw materials used in the preparation process are green and environmentally-friendly, safe and reliable.