204results about How to "Good impact resistance" patented technology

[Object] It is an object to provide a mount structure of a touch panel with a vibration function which is superior in impact resistance, dust-proofness, and drip-proofness, and can effectively transmit a vibration of a vibration element.

[Solution to Problem] The mount structure of the touch panel with the vibration function is characterized by including a touch panel body, a design sheet bonded to an upper surface of the touch panel body and having a transparent window part and a decorative part surrounding the transparent window part, a vibration element formed in a back surface peripheral part of the touch panel body and hidden by the decorative part, a casing dented so as to have a level difference to allow the above parts to be externally fitted in and having a recess part or an opening part for a display device, and a frame-shaped support part to support the back surface peripheral part of the touch panel body, in its bottom surface, an elastic member frame arranged on the support part and positioned on an outer edge side of the touch panel with respect to the vibrator, and a vibration control unit arranged inside the casing to apply a drive voltage to the vibration element.

The invention relates to a continuous fiber enhanced thermoplastic antiflaming presoaking belt composite material and a preparation method thereof. The composite material is prepared from the following raw materials by weight percent: 45-55% of modified resin and 55-45% of continuous fiber. According to the preparation method in the invention, the composite material is obtained by reasonable fiber dispersion, resin impregnation and composite rolling processes based on the resin containing a flame retardant, a grafting agent, glass microsphere and other auxiliaries and the continuous fiber treated by an impregnating agent which are used as raw materials; compared with the prior art, by using the preparation method in the invention, the problem that the antiflaming resin is difficultly impregnated due to poor flowability is overcome, the produced continuous fiber enhanced thermoplastic antiflaming presoaking belt has extremely high strength, modules and impact property and has antiflaming characteristic, wherein the antiflaming grade can reach UL94 V0 grade.

The invention discloses a wastewater treating microbial agent and a preparation method thereof. The microbial agent contains kocuriapalustris FSDN-A, arthrobactercreatinolyticus FDN-1, flavobacteriummizutaii FDN-2, paracoccusdenitrificans DN-3 and methylobacteriumphyllosphaerae SDN-3, wherein the collection register numbers of the five strains are respectively CGMCCNo.5061, CGMCCNo.3657, CGMCCNo.3659, CGMCCNo.3658 and CGMCCNo.3660. The microbial agent can achieve removal of ammonia nitrogen, total nitrogen and CODcr in the same reactor, has a good wastewater treatment effect, and can achieve short-cut nitrification and denitrification or simultaneous nitrification and denitrification while removing COD. Kocuriapalustris FSDN-A can utilize the two nitric oxides including nitrite nitrogen and nitric nitrogen, can ensure thorough denitrification of a wastewater treatment system, is slow in appreciation in the process of competing for substrates, is favorable for reduction of sludge, and further widens the application range of the microbial agent.

The invention provides a frame panel type satellite configuration and a modular satellite adopting the same. The frame panel type satellite configuration comprises a four-edge-column frame and honeycomb structure plates; the four-edge-column frame is used for bearing axial load when being connected with four connecting interfaces for carrying, wherein the four-edge-column frame comprises rod pieces and rod-piece joints; each rod piece is provided with a plurality of bosses; the bosses are provided with installing holes for connection with the honeycomb structure plates by first fasteners; a plurality of through holes are arranged in the extending surfaces of the end parts of the rod pieces and are used for connection with the rod-piece joints by second fasteners; the honeycomb structure plates provide installing surfaces for single satellite equipment and simultaneously provide in-plane shearing rigidity for the four-edge-column frame.

The invention provides a method for improving interlaminar shear strength of medium/low-temperature cured prepreg by using polyurethane prepolymer. The method comprises the following steps: firstly, reacting isocyanate with polyether polyol according to a controllable ratio to obtain a terminal isocyanate polyurethane prepolymer; grafting the terminal isocyanate polyurethane prepolymer to a bisphenol type epoxy resin, and adding a mixed epoxy resin to obtain a modified epoxy resin matrix; uniformly mixing the modified epoxy resin matrix with a curing agent and an accelerant to obtain a resin system for prepreg; and finally, preparing the resin system into a rubber film, compounding the rubber film with reinforced fibers or fabrics so as to prepare the medium/low-temperature cured prepreg with excellent adhesiveness. The prepreg preparation process is reasonable, the bonding strength of the resin system and fiber is high, the interlaminar shear strength of the composite material is obvious improved, and the method is particularly suitable for low-temperature cured prepreg.

The invention provides Al-Mg alloys for automobile body sheets and a manufacturing method thereof, belonging to the technical field of alloy materials. The invention solves the problem that the existing 5754 series alloys have poor strength and impact resistance. The alloys comprise the following components in percentage by weight: 0.001-0.25wt% of Cu, 0.05-0.35wt% of Mn, 2.5-3.5wt% of Mg; 0.005-0.25wt% of Cr, 0.008-0.8wt% of Zn, 0.01-0.15wt% of Ti, 0.001-0.2wt% of Zr, not more than 0.2wt% of Si, not more than 0.3wt% of Fe and the balance Al. The alloys have the advantages of good impact resistance and plasticity and strong feasibility, and the manufacturing method has the advantage of realizing the aims of energy conservation and emission reduction in the process of machining.

The invention relates to a high-transparency high-flowability toughened polypropylene material and a preparation method thereof. The high-transparency high-flowability toughened polypropylene material contains the following raw materials by weight percent: 20-70 percent of polypropylene, 10-30 percent of m-LLPE, 5-10 percent of ethylene-octene copolymer, 3-10 percent of compatilizer, 5-15 percent of SEBS, 5-30 percent of white oil and 0.1-0.5 percent of antioxygen. The preparation method comprises that the raw materials are weighed according to the weight proportions; the SEBS and the white oil are put into a high-speed mixer and are evenly mixed first, other raw materials are added and are mixed for 2-5 minutes, and the obtained mixture is discharged; and the evenly mixed raw materials are put into a screw extruder and are extruded for granulation. The toughened polypropylene material has the advantages that the mechanical property is excellent, and the flowability and the transparency are better than the flowability and the transparency of common PP toughened materials. The toughened polypropylene material can be used to manufacture high-transparency high-toughness tools and functional parts of shells of instruments and gauges.

The invention discloses a composite skin structure used in the airframe of the airplane, which is characterized in that: the skin structure comprises an internal wall layer, an internal carbon fiber reinforced plastic layer, a foam-core layer, and an external fiber reinforced plastic layer and an external protective layer in sequence. The invention also discloses a technique for preparing the composite skin structure used in the airframe of the airplane. The invention has the advantages of light weight, good impact resistance property and is applicable to being used in producing the airframes of the large airplanes.

The invention discloses a preparation method of an impact-resistant artificial leather, comprising the following steps of: stirring 100 parts of polrvinyl chloride resin, 30-100 parts of plasticizer, 10-80 parts of filler, 0.5-1 part of lubricant, 2-5 parts of heat-resistant stabilizer, 3-5 parts of pigment, 1-10 parts of regulating agent and 3-15 parts of processing agent for 100-200 seconds at the temperature of 120-130DEG C through a high-speed dispersing mixer; charging the mixture obtained in the former step into an internal mixer to mix for 200-300 seconds at the temperature of 130-150DEG C; and charging the product obtained in the former step into a rubber fining mixer for plastication for 10-20 minutes at the temperature of 120-130 DEG C; calendaring into a sheet material with 0.3-0.5mm by a calendar at the temperature of 150-170 DEG C, and fitting the sheet material and a calendaring base material, wherein a fitting pressure is larger than or equal to 1T; and charging into a foaming machine and heating to 190-205 DEG C, foaming, embossing and shaping in a cooling way. The surface of the impact-resistant artificial leather prepared by the method is good in an impact-resistant effect, so that the application range of the impact-resistant artificial leather prepared by the preparation method in the shoemaking and the ball products can be effectively expanded.

The invention relates to a long-life anti-corrosive layer for a transmission tower and a method for making the same. The long-life anti-corrosive layer has a composite structure consisting of metal, non-metal and organic matter, wherein a thermally zinc-sprayed bottom layer is sprayed by electric arc by using zinc alloy; an epoxy zinc-rich heavy anti-corrosion enclosed middle layer comprises epoxy resin, zinc powder, a curing agent and a thinner, and is implemented via a high-pressure airless sprayer; a modified acrylic nano surface layer comprises isocyanate additive, modified acrylic resin, a mixture of pigment and filler, the curing agent and a solvent; and a coating method adopts conventional methods such as a brushing method, a rolling method, a spraying method and the like. The invention has the following beneficial effects that: the epoxy zinc-rich heavy anti-corrosion enclosed middle layer is used to enclose a zinc-sprayed layer instead of chromate, and has excellent anticorrosive property; the technology can replace hot galvanizing, lower the production cost, save energy source, eliminate pollution of the three wastes, and prolong the service life to more than 50 years for primary treatment; and the technology is applicable for the fields of electric power, transportation, chemical industry and the like, and has remarkable economic benefit and social benefit.

The invention discloses a toughened polylactic acid composite and a preparation method thereof. The composite consists of the components with the weight proportion as follows: 72-98 percent of polylactic acid, 1-25 percent of toughener, 0.4-0.6 percent of antioxidant, 0.1-0.5 percent of lubricant and 0.5-2 percent of other processing promoter. In the invention, thermoplastic polyurethane is taken as the toughener, thereby improving the flexibility and the molding processability of PLA obviously and improving the shock resistance and the breaking elongation of the polylactic acid to a great extent.

The present invention provides an improved 2 wet coating system. The present invention relates to a process for forming a multi layered coated film comprising the steps of: forming an uncured electrodeposition coated film on an electrically conductive substrate, applying an intermediate coating on the electrodeposition coated film, and then simultaneously heating and curing the uncured electrodeposition coated film and an uncured intermediate coated film, forming an uncured base coated film on the intermediate coated film, applying a clear top coating on the base coated film, and then simultaneously heating and curing the uncured base coated film and an uncured clear coated film; wherein the electrodeposition coating forms a self-stratifying coated film, and a dynamic glass transition temperature of a resin layer (alpha) in direct contact with the electrically conductive substrate and that of a resin layer (beta) in direct contact with the intermediate coated film are controlled.

The invention discloses a method for biologically denitrifying high-salinity sewage generated in the production process of catalysts. The method is implemented by adding nitrobacteria and denitrifiers with nitrites as electron acceptors to sewage, wherein the high-salinity sewage treatment temperature is 18-40 DEG C; the dissolved oxygen is 0.2-3mg/L; and the pH value is 7.5-8.5. The method adopts autotrophic bacteria and heterotrophic bacteria which are subjected to combination of superiority to serve as reinforced microorganisms for treating sewage, adopts different addition modes, can achieve removal of ammonia nitrogen, total nitrogen and CODcr in the same reactor, has a good wastewater treatment effect, and truly achieves biological denitrification of the high-salinity sewage generated in the production process of catalysts by being combined with high-efficiency devices.

The present invention relates to the field of engineering plastic processing manufacturing, and discloses a high-density polyethylene double-wall corrugated pipe, which comprises an outer pipe and an inner pipe, wherein the materials of the outer pipe comprise 50-80 parts of high-density polyethylene, 30-50 parts of a polypropylene resin, 25-50 parts of a solid filling material, 3-5 parts of metallocene polyethylene, 3-5 parts of a compatibilizing agent, and 2-5 parts of a drying agent, and the materials of the inner pipe comprise 50-80 parts of high-density polyethylene, 30-50 parts of a solid filling material, and 2-5 parts of a drying agent. According to the modified high-density polyethylene double-wall corrugated pipe of the present invention, the inner pipe and the outer pipe have characteristics of high melt strength, high rigidity and good impact resistance, such that the double-wall corrugated pipe has characteristics of high ring rigidity, good compression resistance, and light pipe weight; the metallocene polyethylene is added to the materials of the outer pipe, such that the ring flexibility of the outer pipe is increased, and the toughness is good; and the high-density polyethylene double-wall corrugated pipe can be widely used in non-pressure plastic underground drainage and sewage drain pipelines, and has good application prospects and market competitiveness in the fields of plastic pipelines.

The invention provides a biochemically treating and discharging refinery wastewater within controlling index of national standard. The method comprises oil removal, floatation and biochemical treatment, wherein the biochemical treatment is performed in sequence through an anaerobic flow bed biofilm reactor, an anoxic basin and an aerobic flow bed biofilm reactor; and a part or all of mixed liquidflowing out of the aerobic flow bed biofilm reflows into the anaerobic flow bed biofilm reactor. According to the method, refinery wastewater is treated by adopting an 'aerobic flow bed biofilm reactor-anoxic method-aerobic flow bed biofilm reactor' process which has high impact resistance and is safe during running. High instantaneous impact resistance is achieved, and the treatment effect is hardly influenced. The entire biochemical system has high salt resistance, and the treatment effect is hardly influenced by the change of temperature. The refinery wastewater does not need to be subjected to subsequent further oxidation after being treated with the process, the effluent COD (Chemical Oxygen Demand) meets the national primary discharge standard less than or equal to 60 mg/l, and investment cost and running cost are saved. The entire system has a compact structure, so that the floor space is reduced.

The invention relates to the field of composite materials, and provides a magnetic composite material for a multistage magnetic encoder and a preparation method thereof. The magnetic composite material mainly comprises nitrile rubber and ferrite, and is prepared by banburying and mixing by an internal mixer and vulcanization molding. The magnetic composite material has good corrosion resistance, impact resistance and good thermal stability, and especially highly uniform magnetic induction intensity, and change rate of magnetic induction less than 2% after multistage magnetizing. The magnetic composite material can be used in the production of an anti-lock braking system (ABS) magnetic encoder.

The invention discloses a polyoxymethylene composition and a method for preparing the same, wherein the composition includes 20-95 percent of POM, 4-80 percent of ABS, 0.1-20 percent of compatibilizer, 0.1-1.0 percent of lubricant, and 0.1-1.2 percent of antioxidant in weight proportion ( percent). Compared with conventional TPU toughening POM system, when the POM/ABS system of the invention achieves the same impact property, the mechanical comprehensive property of the invention is obviously better than the conventional TPU toughening POM system, and the heat resistance is greatly improved. The alloy material has simple preparation technology, and has advantages of dimensional stability, good appearance, high flowability, drug resistance and easy processing forming, which can be widely used to manufacture automobile, electronic and electric components. The invention improves the POM impact toughness and greatly enriches the use of polyoxymethylene in automobile, electronic and electric components through blending with the ABS material.

The invention belongs to the field of smart material manufacturing and application, and relates to an elastic shape memory material with shear thickening performance, and a preparation method and applications thereof. The elastic shape memory material with shear thickening performance comprises, by weight, 10 to 95 parts of an elastic shape memory polymer material, and 5 to 90 parts of a shear thickening material; the elastic shape memory polymer material and the shear thickening material are combined to form an integral body through blending or combination; the elastic shape memory polymer material is capable of providing an obtained material with elasticity and thermal driving shape memory characteristics; and the shear thickening material is capable of providing the obtained material with shear thickening characteristics. According to the preparation method, the shear thickening material and the elastic shape memory polymer material are combined, so that the obtained elastic shape memory material is capable of adapting different structure shapes through heating deformation, the suitable range is widened, and excellent impact resistance and anticollision performance are achieved.

The present invention provides a high-toughness polyester alloy composition and a preparation method thereof, wherein the composition mainly comprises the following raw materials by weight: (A) polybutylene terephthalate, (B) polyethylene terephthalate, and (C) an ionomer compound using an ethylene octene copolymer as a matrix. The preparation method comprises: adding (A) polybutylene terephthalate, (B) polyethylene terephthalate, (C) an ionomer compound using an ethylene octene copolymer as a matrix and other additives to a high speed material mixer, adding to a twin-screw extruder after the mixing, and carrying out melt extrusion granulation. According to the present invention, the polyester resin alloy reinforcing material composition has good impact resistance and good fluidity, and the product prepared by using the high-toughness polyester resin alloy reinforcing material composition has characteristics of low warping, high strength and high toughness, and is suitable for vehicles, mobile phones, and notebook computer products.

The invention discloses an environment-friendly sulfur-coated slow release fertilizer. The environment-friendly sulfur-coated slow release fertilizer is composed of a fertilizer core 1 and an outer envelope of the fertilizer core, the envelope comprises (a) a sulfur film layer 2, (b) a degradable polymer-organic polymer powder compound film layer 3, with or without (c) a degradable polymer film layer 4; wherein, the sulfur film layer is an inner layer or an intermediate layer of the whole envelope, the outer layer of the envelope is the degradable polymer-organic polymer powder compound film layer, and the external surface of the envelope is a rugged surface with raised organic polymer powder. The degradable polymer can be one or more of amido resin, polyvinyl alcohol and acetal resin of copolymer, unsaturated oil resin, biodegradation type polyester and natural polymer as well as derivates. The organic polymer powder is one or more of plant powder, animal powder and synthetic polymer powder. The sulfur-coated slow release fertilizer has advantages of stable release period and non pollution or low pollution to the environment of the enveloped body.

The invention discloses an anti-impact polyethylene glycol terephthalate composite material and a preparation method thereof. The composite material is prepared by the following raw materials by weight: 45% to 60% of polyester (PET), 10% to 20% of HIPS, 15% to 25% of glass fiber, 0.1% to 0.5% of antioxygen, 5% to 12% of fire retardant, 0.1% to 0.3% of lubricant and 2% to 10% of compatilizer. The self-prepared compatilizer is added into the polyethylene glycol terephthalate composite material, and rigidity and toughness can be maintained by changing proportions of the components. The material is good in anti-impact performance and low in material cost.

The invention provides a method for preparing a copper based pantograph pan material, belonging to the technical field of the preparation of a copper graphite self-lubricating composite material. The copper based pantograph pan material is prepared by the steps of: mixing dispersion-strengthening copper powder used as a base body, copper plated graphite used as a wear-reducing material and tin and lead powder used as additives uniformly by a mixing machine and then thermally pressing and sintering. The dispersion-strengthening copper powder is replaced with the traditional pure copper powder as the base body and has more excellent performance. Because the dispersion-strengthening copper has excellent high-temperature strength, rigidity and wear resistance and fusion welding resistance, the pantograph pan material prepared by adopting the dispersion-strengthening copper powder as the base body has more excellent wear resistance, fusion welding resistance and electrolytic corrosion resistance. The preparation method is simple, is easy to control the process, has no pollution, and is suitable for massive production.

The invention discloses a light peridotite partition plate for buildings. The partition plate is prepared from the following raw materials by weight part: 26-28 of peridotite powder, 25-30 of portland cement, 28-30 of plant ash, 10-15 of gypsum powder, 3-5 of diatomite, 3-5 of waste iron powder, 1-2 of hydromica clay, 1-2 of slate powder, 2-4 of nano-mineral modified mixed powder, 0.5-1 of chitosan, 1-2 of magnesium hydroxide, 8-12 of a hydrogen peroxide solution with a concentration of 20-30%, and a proper amount of water. The partition plate provided in the invention has the advantages of high strength, good shock resistance, sound insulation, thermal insulation, water resistance and the like.

The invention belongs to the technical field of concrete precast piles, and particularly relates to a concrete precast pile with mixed reinforcement glass fiber-reinforced polymers and steel bars. The concrete precast pile comprises a pile body with the two ends provided with anchor plates, wherein a reinforcement cage is arranged in the pile body and comprises prestressed reinforcements, the glass fiber-reinforced polymers and spiral stirrups, and the prestressed reinforcements and the glass fiber-reinforced polymers are distributed on the same cylindrical face with the central line of the pile body as the axis; the two ends of each prestressed reinforcement are fixedly connected with the anchor plates arranged at the two ends of the pile body respectively, the prestressed reinforcements and the spiral stirrups are welded together, and the glass fiber-reinforced polymers and the spiral stirrups are bound together. The concrete precast pile has the advantages of being high in bending resistance, good in durability, good in anti-seismic property and the like, and can be well applied to areas where the requirement for horizontal loads is high; meanwhile, the concrete precast pile is low in manufacturing cost, saves steel, and is convenient to construct and transport.

The invention relates to an optical cable having a structure for improving durability. The optical cable is provided with an optical fiber core wire and a cable jacket covering the outer circumference of the optical fiber core wire. The optical fiber core wire is composed of a glass fiber, and a coat layer composed of an ultraviolet curing resin. To have excellent shock resistance as durability characteristics, the coat layer of the optical fiber core wire includes a first coat having a Young's modulus of 200Mpa or more. The cable jacket is composed of a thermal plastic resin not containing halogen. The cable jacket is composed of the thermal plastic resin not containing halogen. The cable jacket has a thickness of 0.7mm or more, a frame resistance of V2 or more in UL standards, and a Young's modulus equivalent to that of the first coat or higher.

The invention discloses a preparation method for cemented carbide gradient drill point dies having super coarse grains. The method comprises following steps: taking and weighing WC powder, Co powder and Cr3C2 powder for raw material batching, ball milling, sieving, waxing and drying to obtain super-coarse-grain cemented carbide mixture. The particle size d bottom of the bottom layer mixture WC powder of the super-coarse-grain cemented carbide gradient drill point dies is 9+/-0.5[mu]m, the top layer mixture WC powder particle size d top is 6+/-0.5[mu]m. Die filling, lamination pressing and sintering. The prepared super-coarse-grain cemented carbide gradient drill point dies have good shock resistance and the service life of which is three times of that of normal products; particle size gradient is adopted instead of component gradient so that component diffusion during sintering process is avoided and the product performance consistency is high.

The invention relates to a novel multifunctional paint. The technical scheme is as follows: the novel multifunctional paint is characterized by comprising epoxy resin, elastic hydroxy resin, ceramic micropowder, alundum powder, fluoridized graphite, carborundum micropowder, porcelain powder, epoxy resin curing agent, phenyl hydroxybenzoate, 10% silicon oil, polychloroethyl siloxane and butyl acetate. The paint has the advantages of favorable impact resistance, favorable weather resistance, excellent adhesive force, favorable scratch and abrasion resistance and favorable corrosion resistance.

The invention belongs to the technical field of metallurgy, and provides a high-nitrogen composite alloy which is prepared from the following components in percentage by weight: 5 to 20 percent of nitrogen, 15 to 40 percent of titanium, 15 to 40 percent of niobium, 10 to 20 percent of chromium, 10 to 20 percent of silicon, 2 to 10 percent of manganese, 1 to 5 percent of rare earth lanthanum, lessthan or equal to 1.0 percent of carbon, less than or equal to 0.06 percent of sulfur, and less than or equal to 0.1 percent of phosphorus. A preparation method comprises the steps of premixing raw material, then mixing, rising temperature, pretreating, then rising temperature for three times under the vacuum condition, preserving heat, pressing and firing. According to the prepared high-nitrogen composite alloy, the nitrogen content is remarkably improved, and a reinforcing steel bar using the high-nitrogen composite alloy has high tensile strength and bending strength, good shock resistance,good toughness and excellent mechanical property. The high-nitrogen composite alloy provided by the invention solves the problems of instable quality and low nitrogen content of the high-nitrogen reinforcing steel bar in the prior art.

This invention provides the method for preparating a kind of high impacting and high heat-proofing blending ABS resin. By extruding heat-proofing ABS gained by emulsion polymerization and current ABS resin gained by bulk polymerization, we can prepare high impacting and high heat-proofing. Current ABS resin, whose rubber particle size is 1-10ª–m, possesses low impact strength, middle impact strength and high impact strength. In heat-proofing ABS resin, the rubber whose particle size is in the range of 0. 1-2ª–m occupies 50% of total rubber particle volume. Because of the appropriate proportion of the two resins and reasonable distribution of the rubber particle size, The produced blending ABS resin has both high impacting and high heat-proofing proeries, and its impact strength could attained to 17. 8-32. 6KJ/m2, and softening temperature could attained to 104-110deg C. Blending ABS resin is easy to make, costs little, so it is feasible to commercial manufacture.

The invention relates to a satellite-borne high-precision navigation positioning antenna. The antenna is composed of an upper layer radiation piece, a lower layer radiation piece, a support column, afeed probe, a feed network, a medium support, a choking coil and an RF connector. The upper layer radiating piece and the lower layer radiation piece are mounted on the support column. The support column is fixed on the geometric center of the choking coil by screws. The feed probe performs coupled feeding on the upper layer radiating piece and the lower layer radiating piece, to make the antennahave relatively wide working band. The feed network generates four paths of equal-amplitude electrical signals whose phase difference is 90 DEG in sequence, ensuring the antenna has high phase centerstability. The medium support is used to ensure the verticality and structural strength of the four feed probes. The choking coil structure makes a directional diagram have ideal front-to-back ratio and be adapted to various installation platforms. The whole antenna is novel and simple in structure, and has good impact resistance, vibration resistance, radiation resistance and thermal stress resistance. The antenna has characteristics of wide frequency band, high gain and high phase center stability.