47results about How to "High market application value" patented technology

The invention discloses a halogen-free flame-retardant polybutylece terephthalate/glass fiber composite which is blended by the following components by mass percentage: 45-65% of polybutylece terephthalate, 5-15% of organic hypophosphite flame retardant, 5-17% of synergistic flame retardant, and 20-30% of alkali-free glass fiber, wherein an oxygen index of the composite is 27.0-34.5%; a vertical combustion grade of a 3.2mm-thick sample UL-94 is V-0; a vertical combustion grade of a 1.6mm-thick sample UL-94 is V-0, and a vertical combustion grade of a 0.8mm-thick sample UL-94 is (V-1)-(V-0). The invention further discloses a preparation method of the composite. According to the composite and the preparation method, organic hypophosphite and inorganic hypophosphite or a melamine derivative synergistic flame retardant are adopted for compounding and flame retardance, the addition amount of the flame retardants is small, the flame-retardant efficiency is high, the price of adopted organic hypophosphite is lower than that of diethyl hypophosphite, the preparation technology is simple, and the popularization and use are facilitated.

The invention discloses a palladium nanoparticle catalyst supported by a porous polymer containing a Schiff base structure. The catalyst is a compound prepared by subjecting the porous polymer containing the Schiff base structure and divalent palladium ions to coordination at first and then to reduction by a reducing agent, wherein the porous polymer containing the Schiff base structure is a cross-linked copolymer of melamine monomers and dimethanal monomers; palladium nanoparticles account for 0.2 to 25% of the mass of the catalyst; and the sizes of the palladium nanoparticles are in a rangeof 1 to 10 nm. The catalyst provided by the invention is high in catalysis efficiency, and can catalyze the coupling reaction for preparation of alkynylamine from halogenoacetylene without any other inorganic salt reaction aids; and after completion of the reaction, the catalyst can be separated through centrifugation or filtering and cyclically used, so the catalyst is friendly to environment andbetter meets the requirements of sustainable development.

The invention relates to a preparation method of a fish maw polypeptide. The preparation method comprises the following steps: 1) cleaning fish maw; 2) stirring and smashing the fish maw into uniform fish maw sauce; 3) adding the fish maw sauce into water with the weight 2-4 times that of the fish maw sauce, so that a fish maw serous fluid is obtained; 4) adjusting pH value of the fish maw serous fluid to be 2-5, cooking for 2-4 hours at the temperature of 60-90 DEG C, then cooling to 50 DEG C, adding papain and compound protease, stirring, and hydrolyzing; 5) heating mixed liquor of the papain, the compound protease and the fish maw serous fluid to be the temperature not lower than 100 DEG C, carrying out heat preservation at the temperature not lower than 100 DEG C for 20-30 minutes, and carrying out enzyme deactivation, so that a hydrolysate after the enzyme deactivation is obtained; 6) carrying out centrifugal separation on the hydrolysate, removing fat at the upper layer, and extracting supernatant; and 7) drying the supernatant into powder, so that the fish maw polypeptide product is obtained. By virtue of the preparation method provided by the invention, protein in the processed fish maw is difficult to be fully extracted, and the preparation method provided by the invention has great market application value.

The invention relates to a high-pressure phase sequence phasemeter comprising two transmitters and a receiver which is wirelessly connected with the transmitters. Each transmitter comprises an A/D sampling circuit, a coding circuit and a wireless transmitting module; the receiver comprises two wireless receiving modules, decoding circuits, a signal processing module and a display circuit, wherein the signal processing module is electrically connected with the input ends of two decoding circuits; the display circuit is connected with the output end of the signal processing module; in a state that a power system normally runs, the transmitters are connected with any one phase cable of a single power line, thereby coupling capacitors are generated between each of the transmitters and the cable; by acquiring the voltage of the coupling capacitors and processing voltage signals, the phase sequence judgment on the single power line can be carried out; the two transmitters are the same phase cable of single power lines at two sides are connected, thereby the phase sequence judgment on dual power lines can be realized to determine whether power supplies at two sides share the same phase or not; and the invention is suitable for being used at the 10-110kV high-voltage grade.

The invention discloses a light guide substrate, a ground construction method and a traffic marking. The light guide substrate includes a concrete material that can transmit light, and components of the concrete material comprises broken glass and resin; and a base plate is in contact with the concrete material, and a light source is arranged between the base plate and the concrete material. The light guide substrate utilizes a light-transmitting material made of the broken glass and the resin material, the light-transmitting material is applied to the field of traffic, is subjected to prefabricated forming, and can emit light synchronously with a signal lamp, or pedestrian detecting equipment is added, so that a light belt can move with pedestrians, and the safety of the pedestrians is better protected. A built-in LED light source is reflected by irregular surfaces of the broken glass multiple times, a ray of light is soft and uniform, the structural surface of a light-transmitting layer is non-slip and wear-resistant, the internal LED light source can be well protected, and the light guide substrate is integrally designed, and is convenient for mass production and convenient to install.

The invention provides a heat exchanger system of a small type air conditioner for a cabin. The heat exchanger system comprises a heat exchanger and a fan, wherein the lower part of the heat exchanger is arranged in a deep water tank, and the heat exchanger comprises a first evaporator and a second evaporator which are connected in parallel through respective side boards; and a baffle plate is arranged at the upper middle part of each of the first evaporator and the second evaporator, and a baffle is arranged at the upper end of the second evaporator. According to the heat exchanger system of the small type air condition for the cabin, three baffle surfaces are formed by using the baffle plates and two surfaces of the deep-water tank to ensure that a heat exchanging channel is changed into a wave-shaped channel, heat exchanging is enhanced, the heat exchanging speed is increased; and the two same evaporators are connected in parallel to form an integral heat exchanger, and thus the structure of the air conditioner is compact, the size is reduced and the refrigerating capacity is increased, and the deep-water tank prevents the condensate water from spilling or overflowing and further polluting the environment in a cabin.

The invention discloses a fluorine insulating wire and a manufacturing method and applications thereof. The method comprises the following steps: (1) preheating a conductor to the temperature of 70-120 DEG C; (2) extruding a fluorine insulating material on the preheated conductor to obtain an extrudate by adopting a 45-type extruder, wherein the extruding temperature of the extruder is as follows: the temperature of a primary extruder area 1 is 265-275 DEG C, the temperature of a primary extruder area 2 is 295-305 DEG C, the temperature of a primary extruder area 3 is 335-345 DEG C, the temperature of a primary extruder flange is 355-365 DEG C, the temperature of a primary extruder head is 360-370 DEG C, the temperature of a primary extruder die opening is 365-375 DEG C, the temperature of an auxiliary extruder area 1 is 265-275 DEG C, the temperature of an auxiliary extruder area 2 is 345-355 DEG C, and the temperature of an auxiliary extruder area 3 is 370-380 DEG C; and (3) enabling the extrudate to pass through three cooling areas from the high temperature to the low temperature in sequence, wherein the temperature of a first cooling area is 60-80 DEG C, the temperature of a second cooling area is 30-50 DEG C, and the temperature of a third cooling area is room temperature. The product manufactured by the invention is good in temperature resistance and softness, has high temperature and low temperature resistance, oil resistance and wear resistance and the like, and has great market application value.

The invention provides a precious metal-modified carbide catalyst for preparation of hydrogen peroxide, and a preparation method and application thereof. The carbide is molybdenum carbide or tungstencarbide, wherein the molybdenum carbide is Mo2C and/or MoC, and the tungsten carbide is W2C and/or WC; the carbide is used as a carrier of the catalyst; and precious metal, which is one or more selected from a group consisting of metal palladium, metal platinum or metal gold, is used as an active component of the catalyst. The preparation method for the catalyst is an impregnation method, a coprecipitation method, a deposition-precipitation method or a sol-gel method. The invention also provides the application of the catalyst to direct synthesis of hydrogen peroxide from oxyhydrogen. The catalyst integrates the characteristics of both the precious metal and the carbide, especially the precious metal-like properties of molybdenum carbide and tungsten carbide, and the carbide is used for catalytic preparation of hydrogen peroxide, so the loading amount of the precious metal in the catalyst is reduced. The preparation method of the invention is simple and easy to implement, green, safe and non-toxic, and better meets the requirements of sustainable development.

The invention discloses a PP composite material suitable for plate extrusion and plastic uptake and a preparation method thereof. The PP composite material comprises the following components in parts by weight: 20-70 parts of PP resin, 10-50 parts of reinforced resin, 2-20 parts of a reinforcing agent, 0.05-0.3 part of an initiator, 2-20 parts of a compatilizer, 0.1-1 part of an antioxidant and 0.2-2 parts of a lubricant. The PP composite material has very good oil resistance, corrosion resistance and aging resistance, very high melt strength and relatively wide melting range, can replace the current universal extrusion plate-grade HIPS to be applied to extrusion plates and plastic uptake of refrigerator liners and the like, solves the pain problems of liner cracking and the like puzzling the refrigerator industry, and has a great market application value.

The invention relates to a preparation method for a pressure equalizing plate used for forming of a composite Z-pin reinforced stiffened plate, and belongs to the field of manufacturing of composites. The method is simple in low-pressure epoxy glass steel plate manufacturing process, low in cost, easy in machining, suitable for stiffened plates in different sizes, accurate in positioning and capable of well controlling the web thickness and surface quality of the stiffened plate, solving the problems of Z-pin pinpoint embedding and deformation of the pressure equalizing plate and guaranteeing the product quality, has high market application value, and is worth applying and popularizing in the industry.

The invention discloses an environment-friendly water-based laminating adhesive as well as a preparation method and a bonding technology thereof. The environment-friendly water-based laminating adhesive is prepared from the following four components: vinyl-vinyl acetate emulsion, waterborne terpene phenolic dispersion, petroleum resin and a mixture of a defoaming agent and a thickening agent. Thewater-based laminating adhesive with the characteristics of no solvent, high solid content, low cost, high bonding strength and excellent water resistance is prepared by using the vinyl-vinyl acetateemulsion without volatile organic gas, taking environment-friendly raw materials such as the waterborne terpene phenolic dispersion with low VOC (Volatile Organic Compound) content and the petroleum resin as well as a simple synthesis method. According to the bonding technology of the water-based laminating adhesive disclosed by the invention, the adhesive is applied to a low surface energy foamedboard by performing the steps of gluing, pre-drying, laminating, drying and the like; the environment-friendly water-based laminating adhesive has the properties of high adhesion, high peel strengthand high drying rate.

The invention relates to the field of a biological technology, in particular to a method for extracting amino acids from giant salamanders. The method comprises the following steps of (1) performing sterilization treatment; (2) performing hydrolization; (3) performing acidolysis; (4) performing neutralizing; (5) performing acidolysis for the second time; (6) performing neutralizing for the secondtime; (7) performing extraction; and (8) performing purification. Giant salamander skin and giant salamander muscle are mixed as raw materials for extracting the amino acids, giant salamander resources are sufficiently used, and through operation steps of sterilization treatment, hydrolization, acidolysis, neutralizing, acidolysis for the second time, neutralizing for the second time, extraction and purification, the extraction rate of amino acids in the giant salamander is effectively increased. Determination proves that the extraction rate of the amino acids is 82% or above, the purity is ashigh as 97% or above, requirements for the content and the quality of the amino acids in the market at current are effectively met, and the market application value of the amino acids is increased.

The invention discloses a restaurant stereoscopic rail power transmission system and an article transport method. The restaurant stereoscopic rail power transmission system comprises a work area, a customer area, a rail system and a transport device, wherein the transport device comprises a machine frame, an elastic part, a drive device and an idler wheel, the elastic part, the drive device and the idler wheel are connected onto the machine frame, the idler wheel is cooperatively connected with a transport rail of the rail system, the drive device drives the idler wheel to drive the transportdevice to run on the transport rail, and the elastic part applies elastic force pointing at the transport rail to the idler wheel through the machine frame so as to abut the idler wheel against the transport rail. The restaurant stereoscopic rail power transmission system and the article transport method facilitate automatic running of a restaurant and reduce labor cost.

An automatic river floating dirt cleaning device comprises tracks, collecting devices, a transmission device, connecting devices, a sensing device, a power device and a dirt blocking belt, wherein thetracks comprise a front track and a rear track, and are divided into a horizontal section, a lifting section, a slope section and a dumping section; the slope section track is parallel to the transmission device so as to facilitate separation of the collecting devices from hooks; the collecting devices are river dirt storage device; the transmission device is fixed with the track lifting section,and is driven to rotate by the power device; the connecting devices are preferably U-shaped hooks; the sensing device mainly senses whether the collecting devices are filled with floating dirt; the power device is mainly driven by electric energy stored by water flow, wind energy and solar energy; the dirt blocking belt mainly collects garbage. The automatic river floating dirt cleaning device has the advantages of low energy consumption, small occupied space and high automation degree, improves efficiency of existing water surface floating dirt cleaning and saves labor cost, and the device is green, energy-saving and environmentally friendly.

The invention discloses a phase transfer catalytic synthesis method of 3, 4-epoxy cyclohexyl methyl-3', 4'-epoxy cyclohexyl formate. The method comprises the following steps of: carrying out Tischenko reaction on 3-cyclohexene-1-formaldehyde as a raw material to obtain an epoxidized raw material 3, 4-cyclohexene formic acid-3', 4'-cyclohexene methyl ester, and performing epoxidation on double bonds of the 3, 4-cyclohexene formic acid-3', 4'-cyclohexene methyl ester by taking hydrogen peroxide as a green oxygen source under the catalysis of a phase transfer catalyst peroxy phosphotungstic acid (peroxy phosphomolybdic acid) quaternary ammonium salt, thereby obtaining cationic epoxy resin 3, 4-epoxy cyclohexyl methyl-3', 4'-epoxy cyclohexyl formate for 3D printing. According to the preparation method, the peroxy phosphotungstic acid (peroxy phosphomolybdic acid) quaternary ammonium salt phase transfer catalyst is applied, a buffer agent inhibits hydrolysis of the product, so that high yield is achieved, efficient recovery of the catalyst is achieved, and the prepared product has the advantages of being resistant to weather, high in purity, colorless, resistant to yellowing, good in electric insulativity and low in viscosity and has good application values in the fields of 3D printing, coatings, packaging, electronics, automobiles and the like.

The invention discloses a supported nano palladium cubic catalyst. The morphology of the palladium metal is cubic, and the index of lattice planes of an exposed crystal face is (100). Compared with palladium metal particles, the supported palladium cubic catalyst has high catalytic efficiency and good selectivity for a preparation reaction of hydrogen peroxide.

The invention relates to a single-coat three-way catalyst and a preparation method thereof. The catalyst comprises a catalyst carrier and a coating material, and the catalyst carrier is uniformly coated with the coating material; and the coating material comprises CeZrLaOx composite oxide, alumina, noble metal Pd and noble metal Rh. The preparation method comprises the following steps: preparationof Rh/CeZrLaOx powder, preparation of Pd/Al2O3 powder, preparation of a slurry from the Rh/CeZrLaOx powder and Pd/Al2O3 powder, ball milling, coating, drying and calcination. The method adopts a sol-gel technology to prepare the three-way catalyst with uniform particle size distribution, so the dispersion degree of the noble metals is effectively increased, the activity of the three-way catalystis improved, and the formation of palladium-ruthenium alloy is avoided; and a single-coating application technology of the same layer of Pd-Rh is adopted, so the preparation cost of the three-way catalyst is reduced, and the catalyst has great market application values.

The invention provides a solid glue stick capable of correcting text and a preparation method thereof. The solid glue stick uses polyvinyl formal glue as a film-forming agent and an adhesive, and is added by adding excipients stearic acid and a moisturizing agent. It is prepared from glycerin and covering agent titanium dioxide, and the preparation method includes the following steps: a) preparing polyvinyl formal glue, b) adding and mixing, and c) filling and molding. The invention discloses a solid glue stick capable of correcting characters and a preparation method thereof. The solid glue stick has simple preparation process, low production cost, good environmental protection performance, not only has better paper bonding function, but also can realize convenience and high efficiency It has great market application value.

The invention discloses a multi-segment swing recovery type traction bed, and relates to the technical field of medical equipment. The multi-segment swing recovery type traction bed comprises a bed frame; the lower portion of the bed frame is fixedly provided with a bottom plate; the upper surface of the bottom plate is provided with a controller; the top of the bed frame is provided with a combined bed plate; the bed frame and the bottom plate are respectively provided with a first power mechanism and a second power mechanism; the combined bed plate comprises a tail plate, a first middle plate, a second middle plate and a head plate; the tail plate and the first middle plate, the first middle plate and the second middle plate and the second middle plate and the head plate are all in slidable cooperation; and the tail plate and the first middle plate, the first middle plate and the second middle plate and the second middle plate and the head plate are all connected through locking pieces. The multi-segment swing recovery type traction bed has the advantages that the movement of the combined bed plate is controlled through the first power mechanism, the swing of the first middle plate or second middle plate or head plate is controlled through the second power mechanism, the traction treatment for different disease sites of a patient is achieved, and the market promotion value ishigher.