1050results about How to "Not easy to attach" patented technology

The invention relates to a light solidifying high-abrasion resistant fingerprint resistant coating which is used for the surfaces of plastic shells of portable electronic products, such as mobile phones, MP3, digital cameras, handheld computers, and the like and comprises the following components: 10-35 percent of high-functionality urethane acrylate, 5-25 percent of bifunctional urethane acrylate, 0.01-20 percent of acrylic ester monomer, 5-20 percent of high-functionality acrylic ester, 5-40 percent of fluorin-contained acrylic ester, 0.01-10 percent of nano inorganic powder filler, 1-5 percent of light initiating agent, 0.01-5 percent of auxiliary agent and 5-30 percent of solvent. The invention improves the fingerprint resistant capability of a coating film by the enrichment and microphase separation of a fluorin-contained group added into the coating on the surface of a coating surface, provides excellent abrasion resistance and hardness by using the polyurethane structure in the coating and the added nano abrasion resistant filler and meets the requirements of abrasion resistance, scratch resistance and fingerprint resistance of the portable electronic products.

The invention is the improvement on a longitudinal drainage plate for silt consolidation, filter cloth and a drainage plate core, which is characterized in that fibrous hot-pressed microporous filter cloth is planar filter cloth hot-rolled by a flat roller, the filter cloth is adhered to the surfaces of convex ribs of the drainage plate core through thermal thawing or a chemical way, the filter cloth adopts silk reeling and hot-press forming separation technology, and the drainage plate core is made of co-polypropylene, thereby overcoming the disadvantages of the prior art; and the aperture of the filter cloth can be adjusted according to treated silt, the drainage plate is difficult to block, the engineering on a soft foundation after the treatment cannot have the settlement after the construction and has smooth drainage and high drainage efficiency, and the plate core has long effective service life.

The invention relates to a household stone milling machine comprising a power mechanism, a driving mechanism, a milling mechanism, a vortex mechanism and a cup. The power mechanism comprises a motor and a speed reducer; the driving mechanism comprises a driving shaft and a stable driver; the milling mechanism comprises a movable milling disc, a fixed milling disc, a movable milling disc driving shaft sleeve, fixed milling disc bearing and a material guiding slot chiseled in the fixed milling disc; and a vortex generator comprises a vortex fan and a vortex gathering cover. The household stone milling machine is characterized in that the vortex fan is arranged below the milling mechanism, is immersed in water and is fixed on the driving shaft, the vortex gathering cover is sleeved outside the vortex fan, the vortex fan rotates along with the driving shaft to generate the vortex in water under the cooperation of the vortex gathering cover, and the vortex with the mixture of material and water enters the milling mechanism along the material guiding slot to fine mill the material in a circulatory way. The household stone milling machine is suitable for the household use, has good milling effect, can enable all the nutrients in the material to be released by generating less dregs, can effectively prevent the nutrients from being damaged and can mill the nutritious and health soybean milk and the juice with good taste.

The invention discloses a bionically textured material capable of preventing the algae attachment and a preparation method thereof. The bionically textured organic silicon modified acrylic polyurethane antifouling material is prepared by taking natural substances namely biological cuticle or leaves such as crab shell, lotus leaf, and the like as the template, and an organic silicon elastomer as the transition template. The obtained textured antifouling layer has a micrometer level protrusions or pits, wherein the protrusions or pits all have a nano structure, thus the water drop is not easy to wet the surface of the material, and fouling organisms cannot easily attach themselves to the surface of the material; at the same time, the contact surface between the fouling organisms and the bionically textured material is greatly reduced, the attachment sites are reduced, and thus attachment on the surface becomes more difficult for the fouling organisms. The natural antifouling characteristics of biological cuticle or leaves in nature are fully utilized, the characteristics of the microstructure on the surface is utilized to prevent fouling, pollution to the natural environment is not generated, and thus the material is a novel high efficient environment-friendly antifouling material.

The invention provides a gas-liquid-solid three-phase fluidized bed sorting machine and a sorting method thereof. The sorting machine comprises a sorting barrel, a center feeding barrel, a conical distribution plate, a fine coal overflow collecting tank, a bubble generator, a fluid distribution master and branch pipe, a buffering and discharging fluid distribution plate, a bed online densimeter, a programmable density controller, an underflow discharging automatic control actuator and an underflow discharging valve. The sorting method includes the steps that water flow passes through the bubble generator and the fluid distribution master and branch pipe and enters the sorting barrel and a uniform and stable ascending gas-liquid two-phase fluid is formed in the sorting barrel under the action of the buffering and discharging fluid distribution plate, and materials entering the sorting barrel are separated according to differences of density and surface properties, so that sorting precision of the materials according to density differences is improved, and the loss that low-density rough particles enter underflow and the defect that high-density fine silt pollutes fine coal are effectively avoided. The gas-liquid-solid three-phase fluidized bed sorting machine is simple in structure and method, low in sorting lower limit, wide in processing particle range, high in sorting precision, high in reliability and wide in applicability.

The invention relates to a self-cleaning fluorosilicone-modified acrylic acid cathode electrophoresis paint and a preparation method thereof. The paint is prepared from a fluorosilicone-modified acrylic acid emulsion and a nano silicon dioxide modified color paste in a ratio of 9:1, wherein the fluorosilicone-modified acrylic acid emulsion is prepared by stirring a semiclosed aliphatic isocyanate-modified fluorosilicone-containing cationic acrylic resin, a neutralizer and deionized water at high speed; and the nano titanium dioxide powder modified color paste is prepared by grinding a semiclosed aliphatic isocyanate-modified fluorosilicone-containing cationic acrylic resin, a surfactant and deionized water at high speed in a grinding tank. The paint provided by the invention has the advantages of high self stability and high tank liquor stability; and after the electrophoretic coating, the coating has the advantages of flat appearance, favorable mechanical properties, excellent acid and alkali resistance, high hydrophobicity and favorable pollution resistance (at most 10%), and the contact angle between the coating film surface and water can reach 130 degrees.

The invention discloses a vein needle conduit assembling machine, comprising a rack and a conveying device for conveying the vein needle conduit assemblies. A straw assembly mechanism, a needle seat feeding mechanism, an internal glue adding assembly, a needle handle feeding mechanism, a drying mechanism, a conicity detection device, a conduit ventilation detection device, a pulling force detection device and a conduit unloading device are successively arranged on the rack from the left to the right and are connected through the conveying device; and the straw assembly mechanism is connected to a conduit storage mechanism. The vein needle conduit assembling machine can finish whole vein needle conduit assembly and does not need artificial contact on the vein needle assemblies, so that the vein needle is not easy to get pathogen during a packaging process and safety can be guaranteed. Besides, the vein needle conduit assembling machine is high in automation degree, high in assembling efficiency, beneficial for mass production, reasonable in design, simple in structure and strong in practicability.

A laminated product according to the present invention has a fiber reinforced resin layer, an elastic layer laminated on one surface of the fiber reinforced resin layer, and a surface protection layer laminated on a surface of the elastic layer for protecting the surface of the elastic layer. The fiber reinforced resin layer includes at least two prepreg sheets, each of which is formed by impregnating a thermoplastic resin into continuous reinforcing fibers arrayed in one direction such that the volume ratio of the continuous reinforcing fibers is in the range of 40 to 80%. The prepreg sheets are laminated so as to the array directions of the continuous reinforcing fibers at right angles.

The invention provides a sea cucumber bottom-sowing culture facility suitable for a soft seabed. The facility comprises frameworks, built-in separation nets, built-in dense nets, cuffs, a traction rope, an anchoring object and a marking floater. The frameworks are arranged in parallel and are covered with outer-wrapping netlike clothing, the frameworks are mutually connected to be of a telescopic mesh cage shape, the built-in separation nets for separating each framework into a plurality of culture units are arranged on each framework, the built-in dense net for catching and gathering sea cucumber baits is arranged in each culture unit, cuffs for taking and placing a sea cucumber is arranged on the outer-wrapping netlike clothing of each culture unit, the frameworks on two ends are respectively and sequentially connected with the traction rope and the anchoring object to be fixedly arranged in a seabed, and the marking floater is connected onto one end of the culture facility. Compared with the traditional culture facility, the culture facility provided by the invention is light and convenient, can be compressed, and is convenient for transportation, throwing and management, and the affect from a natural disaster of typhoon and the like is avoided; and by the adoption of the culture facility, the problems of easiness in entrapping by silt, poor culture effect and the like of the traditional culture facility can be solved, particle-like suspended matters in seabed water can be effectively held back as sea cucumber baits, and the survival ratio and the growth rate of the sea cucumber are improved.

The invention relates to a preparation method of an antifouling material having a crossed regular microstructure on the surface. The method comprises the following steps of: etching a microstructure with a crossed pattern on a photomask, and arranging crossed cylindrical basic units with conical tail ends in a staggered way to form an array; forming a microstructure of a specified depth on the surface of a silicon chip by adopting a plasma deep silicon etching process; and preparing the antifouling material with themicrostructure by adopting a method for rolling over and copying polydimethylsiloxane. Due to the adoption of the crossed pattern of the microstructure and the arrangement mode, the contact area between a fouling organism and the material is reduced, the surface hydrophobicity of the material is enhanced, and adhesion of fouling organisms such as ulva spores, diatoms, barnacle larvae and the like can be effectively prevented. According to the material, an antifouling effectis achieved by using the microstructure on the surface, and loss is avoided; and moreover, the antifouling material can be self-cleaned under the action of water current erosion, is an environmentally-friendly antifouling material, and can be used for preventing and eliminating bio-fouling on the surfaces of ships and marine structural objects under marine environment.

The invention relates to the technical field of washing machines, in particular to a roller washing machine and a cleaning method thereof. The roller washing machine includes an inner barrel and an outer barrel; an annular isolating channel is formed between the outer barrel and the inner barrel; a water inlet hole and a water outlet hole are formed in an annular zone corresponding to the annular isolating channel, of the outer barrel; water discharging holes are formed in an annular zone corresponding to the annular isolating channel, of the inner barrel; zones except for the annular zone, corresponding to the annular isolating channel, of the inner barrel is of a hole-absent structure; and a front opening of the inner barrel is isolated from a front opening of the outer barrel through an isolating member. The cleaning method of the roller washing machine includes: opening a water discharging device, injecting water to the annular isolating channel, water flow flushes the annular isolating channel and is discharged out of the water outlet hole formed in the outer barrel. Accordingly, a space between the outer barrel and the inner barrel is completely isolated from the interior of the inner barrel, waste water will not flow between the inner barrel and the outer barrel, and dirt will not attach and accumulate between the outer barrel and the inner barrel.

The invention discloses a porous-ceramic with uniformly through ducts as well as a preparation method and use of the porous-ceramic. The invention discloses a preparation method of the porous-ceramic with three-dimensionally through ducts, uniform porosity distribution and adjustable pore-size linearity. A raw material adopted by the invention is uniform low-activity compact spherical particles, the contact parts of the spherical particles are used for providing ceramic strength while a sintering neck is formed through sintering, and a three-dimensional duct is formed by stacking gap of the spherical particles. The typical preparation method comprises the following steps: mixing a certain amount of organic monomers such as MBAM, (NH4)2S2O4 and TEMED to prepare a premixed solution, pouring the premixed solution into the low-activity compact spherical particles, controlling the adding amount of the premixed solution, and realizing tight stacking of the spherical particles by using a certain method; curing the stacked particle accumulation body at a certain temperature; and drying and sintering the cured blank body to obtain the porous-ceramic. The porous-ceramic prepared through the invention has good separation efficiency and flux on the separation of the oil-water mixture, and can be widely applied to the fields of high-temperature flue gas and melt filtering.

The present invention provides an active energy ray-curable resin composition that can be used in an uncured state after film formation, has a short curing time, can be molded, and can provide a hard coat layer with high hardness. Active energy ray-curable resin composition comprising a vinyl polymer having an alkoxysilyl group on a side chain and a photoacid generator, and having a glass transition temperature in an uncured state of not less than 15°C and not more than 100°C , more than 90% by mass of the Si atom-containing compound or the Si atom-containing compound unit is represented by the following structural formula 1, (R1)nSi(OR2)4-n (structural formula 1), in the structural formula 1, R1 represents the component (a) A unit in the main chain of the vinyl-based polymer, a residue bonded to the main chain, a polymerizable group capable of forming the unit and / or the residue, or an alkyl or aryl group that may be substituted. R2 represents an alkyl group having 1 to 5 carbon atoms. n represents an integer of 1 to 3.

The invention discloses a nano-antibacterial low-surface energy organosilicon luminescence anti-fouling paint, which comprises the following components by weight: 25-35 parts of component A, 2-5 parts of component B and 1 part of component C; the component A comprises 25.0-50.0 parts of nano fluorescence pre-dispersion, 5-25.0 parts of organosilicon quaternary ammonium salt and 0.5-5.0 parts of silicone oil; the component B comprises 3.0-50.0 parts of crosslinking curing agent and 1.0-10.0 parts of silane coupling agent; The component C comprises 0.1-3.0 parts of catalyst; and the catalyst is at least one of stannous octoate, dibutyl tin diacetate and dibutyltin dilaurate. The paint has long persistence luminescent performance, has can prevent pollution by depending on fluorescence and enables contact sterilization, and has advantages of excellent antifouling performance, high strength and high adhesive force, can be used for various ships, sea petroleum platforms, marine structure and facility, marine aquaculture nets.

The invention discloses a rubber material for windscreen wipers, a preparation method of the ionomer-metal composite artificial muscle, and a process for producing a windscreen wiper from the rubber material. The rubber material contains the following ingredients in parts by weight: 100 of methylvinylsilicone rubber, 20 to 55 of fumed silica N20, 1 to 2.5 of hydroxylsilicone oil, 5 to 10 of lubricants, 0 to 1.7 of colorants, and 0.8 to 2.5 of 2,4-dichlorobenzoyl peroxide. In the rubber material, methylvinylsilicone rubber replaces natural rubber or a composition of natural rubber and other synthetic rubber in the existing formula, the fumed silica N20 is used as reinforcing agent, the structure of fumed silica N20 is controlled by hydroxylsilicone oil, so that the high / low temperature resistance of the rubber material is improved an the strength of the rubber material is increased, and the rubber material is easier to be processed. The special lubricants are adopted to endow the rubber material with excellent hydrophobicity, which prevents water from being attached on the glass surface after cleaning the glass windscreen.

The invention discloses a reinforcement fiberglass resin concrete tube used for burying and a production method thereof, aiming at providing a reinforcement fiberglass resin concrete tube used for burying and a production method thereof with the advantages of corrosion resistance, high intensity, small resistance, low manufacture and use cost, simple manufacture technique and convenient construction. The reinforcement fiberglass resin concrete tube comprises a circular tube cast by the concrete composed by unsaturated resin and quartz sand; and connecting ports which are mutually inserted are manufactured at the two ends of the circular tube. The invention is characterized in that a tubular reinforcement mat is arranged in the circumferential wall of the circular tube; and the concrete comprises fiberglass. The production method thereof is as follows: manufacturing the reinforcement mat, diefilling, dosing, mixing, casting, solidifying, demoulding, correcting, and warehouse-in inspection. The reinforcement fiberglass resin concrete tube a lower cost than a steel tube, can not generate rustiness, and has longer service life compared with the steel tube. The mutual connection is not welded; moreover, the reinforcement fiberglass resin concrete tube is a burying jacking perfusion tube which can be broadly applied to a drinking tube or a drainage tube with the advantages of high intensity, low cost, safety and sanitation and convenient construction.

A way to produce sulfuric acid ester--high numerator film, whose feature is using high numerator film polymer as the basic film such as polypropylene, juyixi, and so on, on the film smear over a layer of the solution of sulfuric acid ester, operate for 1.5--2h at the temperature of 50-60 degC, then smear over a layer of ether solution. Do it for 2--4h at 50-65 degC, wash it using water ion. The invention of the film's surface has some free ammonia, so it has the effect of killing germs, hard to adhere microorganism, increase the efficiency of the film's using, and prolong the survive life, at the same time, it has the good efficiency of filtering.

The invention discloses a method for preparing a film surface with nanometer thickness on the surface of copper, the method comprises V1ing, a substrate of the copper is pretreated. V2ing, chemical pure (NH4)2TIF6 and analytically pure boric acid are respectively prepared into uniform solution, and the two solution are equably mixed. V3ing, prepared sedimentary solution is heated in water bath, after the temperature of the sedimentary solution is constant, the substrate of the copper is vertically put into the solution, the film begins to be prepared until reaches to a predetermined thickness. V4ing, the substrate is removed, and residues on the surface are removed. V5ing, the substrate is naturally dried in room temperature, and then is put in a heating device to heat, after being naturally cooled, a uniform compact titanium oxide film surface is obtained. Because the method of the invention uses a unique pretreatment method, the film on the surface of the prepared copper is uniform and compact, has the nanometer thickness, is capable of effectively reducing the surface energy of a heat transfer surface, fouling in a heat interchanger not easy to adhere on the surface, thereby playing a certain effect of preventing and removing scale.

The present invention provides an absorbing sheet for pets scarcely attaching urine to foots of an urinated pet, having large water retaining amount even when the absorbing sheet is thin and capable of preventing diffusion of urine in the interior. A pulverized pulp layer 41 is provided under a surface sheet 33 formed of a resin film in which many liquid permeation holes 33a are formed in the absorbing sheet 21 for pets and a first highly water-absorbing material 42 is contained in the pulverized pulp layer 41 and a second highly water-absorbing material 43 having slower liquid absorbing rate than that of the first highly water-absorbing material is provided between the pulverized pulp layer 41 and the surface sheet 33. Since liquid absorbing rate of the second highly water-absorbing material 43 is slow, permeation of a liquid into the pulverized pulp layer 41 is not prevented and diffusion of urine can be suppressed by the first highly water-absorbing material 42 positioned in the pulverized pulp layer 41.

The invention discloses a cultivation water filtration method, including a cultivation water filtration step. The cultivation water filtration step includes that: cultivation water to be filtered passes through a filter screen in surge water flow state from the filter screen down-up under the driving of a power source. The invention also discloses a filtration device for realizing the cultivationwater filtration method, comprising a tank body and a filter screen arranged in the tank body; wherein the tank body is opened with a water inlet and a water outlet, the filter screen is arranged toward the water inlet direction in an inclined way and is arranged above the water inlet, the lower end of the filter screen is connected with a vertical clapboard, the filter screen and the clap board divide the space in the tank body into a sewage region and a clear water region, and the water inlet is communicated with the sewage region while the water outlet is communicated with the clear water region. The invention can cause masses of sewage to strike the filter screen under the driving of surge water flow and deposit downward, filtration time is increased, reverse washing frequency is reduced, and better filtration effect can be realized.

This invention relates to a method and a device for de-soldering and separating elemeeents characterizing in dipping a CB to be processed with soldered elements in a liquid heat conducting medium, which is kept at the temperature of melting solder tin and the solder tin, CB and elements are collected after the tin is melted.

The invention provides an electrostatic air conditioner cleaner for a central air-conditioning system and an electric discharge device arranged in the electrostatic air conditioner cleaner. The electrostatic air conditioner cleaner comprises a shell, an air inlet, an air outlet, an electric discharge assembly and an ionization dust collecting assembly, wherein the electric discharge assembly comprises an electric discharge anode assembly which is of an acicular structure and an electric discharge cathode assembly, the acicular structure is firm, can be used for improving an electric discharge voltage, can be washed without any chemical agent or a soaking process and can be directly flushed with a pressure water pistol, the electric discharge anode assembly passes through the center of the ionization dust collecting assembly and extends out of the tail end of the ionization dust collecting assembly, and the ionization dust collecting assembly consists of honeycomb six-wall type ionization dust connecting plates, thus the dust collecting space is increased and the overall size of the cleaner is reduced; and the overall performance of the cleaner is improved, and the cleaning period is prolonged. Compared with a medium-efficiency band filter, the cleaner has the advantages that the production of nondegradable solid pollutants can be reduced and the effects of environmental friendliness, energy conservation and emission reduction are achieved truly.

The invention belongs to the spinning field, and relates to a microporous photocatalyst bamboo charcoal polyester modified short fiber and preparation thereof. For the microporous photocatalyst bamboo charcoal polyester modified short fiber, the surfaces and the inside have irregular microporous structures, all micropores penetrate through each other, photocatalyst compound micro powder and bamboo charcoal micro powder are uniformly distributed on the external surfaces, surface layers and insides of the whole short fiber as well as the surface and inside of each micropore, and the photocatalyst compound micro powder and the bamboo charcoal micro powder respectively account for 1.05-1.35wt% and 1.8-2.6wt% of the short fiber. The fiber provided by the invention is an environment-friendly one which has the functions of harmful gas and harmful microorganism absorption, bacterium resistance, mould proofing, deodorization, far infrared wave transmission, moisture absorption, quick drying and the like. Under the irradiation of light rays, the absorbed harmful gas and harmful microorganisms can be decomposed into carbon dioxide and water, thus the functions of purifying the air and cleaning the environment are achieved. Under the condition of illumination, the short fiber can be circularly and continuously used and can play corresponding roles.

The invention relates to a method for coating a material application to a substrate and a device for coating the material application. In order to thinly, uniformly and highly-efficiently coat the material application to surfaces of single or continuous glass or resin films, sheets and plates, the method and the device are provided. The method comprises providing the material application to a coating roll and then coating the material application to the surfaces of the conveying substrate through rotation of the coating roll, wherein the substrate is single or continuous. In a coating roll and a coating amount control roll in rotary contact with an outer surface of the coating roll, at least the coating amount control roll enables hydrophilic DLC film to form a film on surface of the roll. The coating amount control roll or a scraper is contacted with the coating roll, so as to coat the material application on the outer surface of the coating roll to be uniform and thin; and the outer surface is contacted with the conveying substrate through rotation of the coating roll, thereby coating the uniform and thin material application on the coating roll onto the substrate.

The invention discloses a ceramic membrane aeration and micro-positive pressure ozone membrane regeneration water treatment method. Sewage after ozone micropore aeration treatment is conveyed into a membrane tank; when a membrane on a membrane module is blocked by microorganisms or organic matter, compressed air enters the membrane of the membrane module through a water outlet of the membrane module for high-pressure back flushing; contaminants attached to the surface of the membrane are separated from the surface of the membrane; after the back flushing of the compressed air, ozone is supplied to the membrane of the membrane module under critical micro-positive pressure; after a gel layer difficult to degrade on the surface of the membrane is decomposed and dissolved by using an ozone and air space, the compressed air is used for reverse purging of decomposed substances on the membrane to accomplish membrane flushing; a nano ceramic membrane with small pore size distribution, small transmembrane pressure and a very small pore size is used for aeration; the micro-positive pressure aeration is adopted to form many fine and uniform oxygen bubbles to make full use of an oxygen source; oxygen is better dissolved in water; a utilization rate of the oxygen is increased; a biochemical effect is enhanced; and the energy source waste is reduced.

The invention relates to a method for preparing trehalose crystals. A trehalose aqueous solution is subjected to vacuum evaporation and concentration, trehalose seed crystals are added, the temperature is controlled, simultaneously an elution agent is added in a flowing mode to enable the supersaturation degree of the solution to be maintained in a low level, and the temperature is reduced gradually to achieve crystallization. The trehalose crystals are produced by means of an elution-cooling coupling crystallization method, and the crystallization yield of trehalose is improved. Fine crystals are prevented from being produced in the crystallization process, and obtained products are even in fineness distribution and high in purity. Compared with traditional coupling crystallization, a crystallization period is shortened, the crystallization yield is improved, and convenience is further provided for follow-up centrifugal separation. The novel method for preparing the trehalose crystals has large application potential in the field of functional sugar crystallization production.

The invention relates to an inorganic-organic compound hole sealing coating comprising two parts of a hole sealing layer and an anti-fouling layer, wherein the hole sealing layer is formed by an inorganic hole sealing agent through a dipping-pulling method and a thermal processing method on a test sample after surface processing, the anti-fouling layer is formed by an organic anti-fouling agent through the dipping-pulling method and the thermal processing method on the hole sealing layer, and the inorganic hole sealing agent is an SiO2-Al2O3 colloidal sol hole sealing agent; the organic anti-fouling agent is polytetrafluoroethylene diluent which is prepared by taking polytetrafluoroethylene dispersing liquid, distilled water and a non-ionic type surfactant as raw materials. The preparationmethod of the inorganic-organic compound hole sealing coating provided by the invention comprises two parts of preparing the inorganic hole sealing layer and preparing the organic anti-fouling layer.The inorganic hole sealing layer provided by the invention can obviously lower the porosity of the coating and obviously enhance the erosion resistance performance and the high-temperature resistanceperformance of the coating; the organic anti-fouling layer can effectively lower the surface energy of the coating, enables stains not to be easy to attach to the surface of the coating and has favorable anti-fouling function.

The invention relates a preparation method of an inorganic-organic hybrid antibacterial agent with antibacterial and hydrophobic functions and application of the antibacterial agent in a polymer material matrix. The antibacterial agent overcomes the problem in the prior art that the antibacterial performance of a natural antibacterial agent cannot completely meet the demands of users when being used alone. Specifically, the antibacterial agent adopts an amino-containing coupling agent as a bridge, and antibacterial inorganic nanoparticles such as titanium dioxide and zinc oxide are coated withantibacterial aldehydes such as organic citral and cinnamaldehyde to form the inorganic-organic hybrid antibacterial agent. The inorganic-organic hybrid antibacterial agent can be widely applied to polymer materials such as PP and ABS and achieve an antibacterial and hydrophobic effect; the antibacterial rate of the antibacterial agent for gram-negative bacteria such as escherichia coli can reach99.9%, the antibacterial rate of the antibacterial agent for gram-positive bacteria such as staphylococcus aureus can reach 99.9%, the antibacterial rate of the antibacterial agent for aspergillus niger and other molds can reach 0 grade, and the contact angle between the material surface and water can reach 120 degrees. Meanwhile, the antibacterial polymer material maintains the great mechanicalproperty.

The invention provides a sinking rotary shaft boring machine, and relates to the technical field of shaft boring machine engineering machinery. The machine comprises a boring mechanism, a power lifting mechanism arranged on the ground for lifting the boring mechanism, a slurry separation mechanism for discharging and processing used for lifting, discharging and treating mud slurry mud generated after the boring mechanism breaks earth in a shaft and an operation control system for controlling the operation of each of the above mechanisms, the boring mechanism includes a boring frame, a drill arm, a main drive device for driving the rotation of the drill arm, a drilling tool and auxiliary drive devices for driving the drilling tool to rotate, and the lower portion of the main drive device isconnected with the middle of the drill arm; at least two auxiliary drive devices are mounted on the drill arm, and the lower portions of each auxiliary drive device is connected with the drill tool;the machine has reasonable design and small space occupation, full-section excavation is achieved by the rotation of the drill arm and the drilling tool, the rotation speed and direction of the drillarm and the drilling tool can be adjusted, and the machine is suitable for different geological conditions.

The invention discloses a ship corrosion preventing method. The ship corrosion preventing method comprises the following steps of steel plate surface pre-treatment, base material sanding treatment, weld joint and other structure defect repair sand blasting, priming paint coating, strengthening paint spraying, finishing paint spraying and follow-up maintenance. According to the ship corrosion preventing method, steel plate surface pre-treatment is performed before coating, an epoxy anticorrosive coating is sprayed on the position with high rust-proof requirement, and whole spraying is performed after spraying; during whole spraying, corrosion resistant polyurethane serves as film forming matter, a coating for a framework formed by sheet metal flakes does not contain precious metal and toxic components and is a novel environment-friendly coating, flakes are formed and distributed on the material surface, multiple layers of flakes are horizontally arranged in an overlapped mode, a path for a corrosive medium to permeate into a base material is prolonged, and the corrosion preventing performance of the coating is improved. The ship corrosion preventing method is short in technological process, and produced ships have excellent rust, corrosion and fouling preventing performance.