15199results about How to "Not easy to fall off" patented technology

The invention discloses the inflatable fire-resisting paint, comprising A and B. The A comprises epoxide resin, modified resin, catalyst, foamable agent, fire retarding agent, fluxing agent, color filler and smog inhibiting agent, and the B comprises color filler, curing agent and auxiliary agent. The fire-resisting paint has the advantages of good heat-insulating property, adhesion force and intensity. The coating has good water resistance, acid- alkali resistance, corrosion resistance and tenacity, and is not easy to drop. The paint can be used in rolled steel and aluminum products, especially the fireproof situation of oil factories.

The invention discloses a nut cap of a tubular anastomat, belonging to a medical appliance. A sinking cavity is arranged in the inner end of a cap body and is internally provided with a backstop which is a bulge extending radially from the peripheral wall of the sinking cavity or a bulge extending axially from the bottom surface of the sinking cavity. The nut cap of the tubular anastomat is difficult to fall off from the rear end of an adjusting handle of the tubular anastomat and can improve the use reliability of the tubular anastomat.

The invention discloses a particle-typed composite fertilizer of humic acid and manufacturing method, which consists of dressing and karyosome, wherein the dressing contains nitrogen, phosphor and potassium. The manufacturing method comprises the following steps: graining humic acid; cladding; graining; solidifying fused fertilizer on the particle of humic acid; making the composite fertilizer dissolved into water without falling; fitting for large scale of agricultural product.

The invention provides a camera module, and an encapsulating structure and an encapsulating method thereof. The encapsulating structure of the camera module comprises a circuit board, an image sensing chip, a passive element, an encapsulating part and an infrared filter, wherein the circuit board is provided with a first surface and a second surface; the image sensing chip and the passive element are arranged on the first surface of the circuit board, and the image sensing chip is provided with a sensing region and a non-sensing region and electrically connected with the circuit board; the encapsulating part is arranged on the first surface of the circuit board and at least part of the non-sensing region of the image sensing chip and encompasses the passive element; the infrared filter is arranged on the encapsulating part and located in a position above the sensing region of the image sensing chip, and forms an enclosure space together with the encapsulating part and the sensing region of the image sensing chip. The infrared filter of the encapsulating structure of the camera module is smaller in size so as to facilitate material saving and cost reduction; besides, impurities such as dust are unlikely to fall or be left in the enclosure space, so that the imaging quality is high.

The present invention relates to a preparation method of biological affinity hydrophilic active magnetic seed filling material for treating water. It is characterized by that said method includes the following steps: mixing biological affinity substance, hydrophilic substance, magnetic powder and active carbon or magnetic powder and calcium carbonate in the high-molecular base material, and adding dispersion lubricating agent, uniformly stirring them, placing them into injection moulding machine, utilizing filling mould to make extrusion moulding and magnetizing, so as to obtain the invented filling material. It has biological affinity and hydrophilicity, at the same time can induce microbial activity and enzyme activity, and can raise oxygen utilization rate in water and water treatment efficiency.

The invention discloses a two-dimensional black phosphorus / transitional metal chalcogenide heterojunction based device. The heterojunction adopts a laminated structure of two-dimensional black phosphorus nanometer slices and two-dimensional transitional metal chalcogenide nanometer slices; the number of the two-dimensional black phosphorus layers is 1-50; the two-dimensional transitional metal chalcogenide comprises 1-50 layers in terms of thickness; the two kinds of two-dimensional materials are prepared and synthesized through chemical vapor deposition, mechanical stripping, liquid phase stripping and the like; and the device can be used for preparing a bipolar transistor, a field effect transistor or a photoelectric detector / photoelectric diode. The two-dimensional black phosphorus / transitional metal chalcogenide heterojunction device has the advantages as follows: a combination of the two kinds of two-dimensional materials of black phosphorus and the transitional metal chalcogenide is adopted to form the brand new pn type heterojunction structure; the heterojunction is combined based on natural van der Waals forces among materials; compared with the conventional heterojunction epitaxial growth process, the heterojunction device provided by the invention is easier to prepare; and compared with the existing bulk material, the heterojunction device provided by the invention is smaller in size, thinner, higher in flexibility and higher in the integration degree, so that the two-dimensional black phosphorus / transitional metal chalcogenide heterojunction device has the potential to be applied to the wearable equipment in the future.

The invention relates to the robot field, which provides a pedrail type movable robot with multiple arm links and consists of an arm working device and a pedrail type walking device. The invention can realize normal movable driving on a plurality of complicated road surfaces and finish a plurality of human hand bionic actions. The robot of the invention can substitute for human to work under a plurality of complicated, dangerous and abominable working environments, and has the advantages of strong adaptability, good flexibility, high intensity, etc.

The invention relates to a preparation method of a catalyst for acrylic acid by oxidizing acraldehyde, which is characterized by comprising the following steps of: dispersing water soluble metal salts containing the components of Mo, V, W, Cu and Sb into a water / organic phase mixed system at the temperature of 30-100DEG C; maintaining the weight ratio of an organic solvent to water as 5-50 percent; reacting to generate composite oxide precursor serum; separating water by a distilling process under the condition of continuously supplementing organic phases at the temperature of 20-120DEG C, wherein the water content of distillate is not greater than 10 percent; then, pelleting by a spray drying process and roasting at the temperature of 200-600DEG C to prepare catalyst active components; mixing primary roasting powder, a forming additive and a strength improver; coating the active components on the surface of an inert carrier by using an adhesive, wherein the carrying capacity occupies5-70 percent of the total quantity of the catalyst; drying a formed product for 5-48 hours at room temperature; and then, roasting the formed product for 1-15 hours at the temperature of 200-600DEG Cto obtain a spherical catalyst with the active components carried on the inert carrier.

A polishing wheel is made up of short sisal hemp fibres, synthetic resin, plant fibres and inorganic compound through proportionally mixing, drying, hot die pressing and trimming.

The invention discloses a composite reinforced wear-resistant part of a metal-ceramic prefabricated member and a manufacturing method of the composite reinforced wear-resistant part. The manufacturing method comprises the steps as follows: uniformly mixing ceramic particles with self-fluxing alloy powder to obtain a mixture; filling a mould cavity of a pressing machine with the mixture, pressing by pressure, forming and demoulding, and placing biscuits and gaskets into a drying box for drying; placing the dried biscuits and gaskets into a vacuum furnace for sintering, cooling and discharging to obtain the metal-ceramic composite prefabricated member; carrying out sand blasting on the prefabricated member, and spraying a layer of nickel-based self-fluxing alloy powder onto the surface of the prefabricated member; and placing the processed fabricated member onto the end surface of a cast cavity, and pouring metal liquid formed by smelting metal matrix materials into the bottom of the cast cavity to obtain the composite reinforced wear-resistant part of the metal-ceramic prefabricated member. According to the manufacturing method, the wear resistance and the impact resistance of the composite wear-resistant part are improved.

The invention relates to the technical field of nanometer materials and photocatalytic degradation of organic pollutants, and in particular relates to a Bi / BiOCl (bismuth oxychloride) composite photocatalyst as well as an in-situ reduction preparation method and application thereof. Bi nano-particles with particle sizes of 5-20nm are uniformly distributed on a BiOCl nanosheet with 100-600nm or a the surface of a BiOCl microsphere being 1-3 microns to obtain the Bi / BiOCl composite photocatalyst; the Bi / BiOCl composite photocatalyst is prepared by gaseous-phase in-situ reduction or liquid-phase in-situ reduction; as Bi nano-particles are formed on a BiOCl substrate in an in-situ manner, the lattice matching degree of interfaces between the Bi and the BiOCl is high and the charge migration is facilitated; the Bi nano-particles have the good dispersibility, are difficult to cause agglomeration, and have the good size and distribution controllability; the Bi nano-particles can be well combined with the BiOCl and are difficult to drop off, the photo catalytic capability of the BiOCl under the existence of ultraviolet light can be improved, the spectral response range is expanded, and the visible photo catalytic capability can be acquired, and the Bi / BiOCl composite photocatalyst can be effectively applied to photocatalytic degradation of organic pollutants in a water body.

The invention discloses a lithium-ion battery separator subjected to composite coating treatment and a preparation method thereof. The lithium-ion battery separator comprises a basement membrane, a polymer coating coated at one side of the basement membrane, and an inorganic particle coating coated at the other side of the basement membrane; the polymer coating is composed of an aramid coating coated on the basement membrane and a polyvinylidene fluoride coating coated on the aramid coating, and the thickness of the polymer coating is 0.3 to 5 [mu] m; and the inorganic particle coating is composed of inorganic particles of different particle sizes and a binding agent, and the thickness of the inorganic particle coating is s 0.5 to 5 [mu] m. The lithium-ion battery separator provided by the invention has the characteristics of being excellent in mechanical property and heat resistant property, having good wettability and solution preserving property to electrolyte, and excellent in cycle performance and high in safety performance.

The invention relates to a film coating agent containing steroid hormone, which comprises 1 part of steroid hormone medicament, 1-50 parts of film forming materials, 0.5-10 parts of plasticizer, 0.5-10 parts of biological adhesive materials and 1-50 volumes of transdermal enhancer. The preparation of the present invention is capable of raising the efficiency of conveying steroid hormone medicament into the body by permeating skin and improving the irritation to the skin, and has good survivability. The invention also relates to a preparation method of the film coating agent, and the preparation method has the advantages of simple process, convenient operation and less energy consumption.

The invention provides an electrode for a vanadium battery, comprising a carbon basal body and a carbon nano-tube layer formed on the surface of the basal body, wherein the carbon basal body is selected from a graphite felt, a carbon felt, a carbon paper and carbon cloth. The invention also provides an all-vanadium redox flow battery containing the electrode. The electrode has improved electrochemical activity and reliable mechanical strength.

The invention discloses a ventilated polyurethane plastic race-track surface layer cementing material, and belongs to the technical field of race-track construction. The ventilated polyurethane plastic race-track surface layer cementing material consists of a component I and a component II at the mass ratio of 1:(3-4), wherein the component I is prepolymer containing isocyanate end group prepared from environment-friendly polyisocyanate, polyether glycol and an addition agent by reacting in a reaction kettle for 3 to 4 hours at the temperature of 70 to 80 DEG C, and the component II comprises polyether glycol with three functionalities, inorganic filler, pigment, a plasticizing agent, a curing agent, an antioxygen, an ultraviolet light absorber and the like. The obtained plastic race-track has the advantages that surface particles are not easy to fall out, the surface is smooth, the quality of the plastic race-track is improved, the service life of the plastic race-track is prolonged, the qualification rate of the plastic race-track is increased to more than 95% as compared with the conventional 82%, the production cost and the use cost are reduced. Moreover all of the used raw materials are environmental protection materials, and belongs to environment friendly materials, the environmental pollution is avoided, and security is provided for the health safety of sporters.

The invention provides a substrate with surface-enhanced Raman scattering activity and a preparation method thereof, and the method comprises the following steps: the glass base surface is subjected to hydroxylation and amination treatment; catalytic hydrolysis is carried out on ethyl orthosilicate under the alkali condition by taking alcohol as a solvent; Silica microspheres with even size and smooth surface are prepared by an oscillation method; silane coupling agent of which the tail end is provided with amino is assembled on the surface of the silica microspheres; silver sol obtained by reducing sodium borohydride to silver nitrate through oscillation is assembled on the surface of SiO2-NH2NPs, and is diffused in water again after centrifugal separation and washing by distillated water; self assembly is carried out on the silver sol after being placed in SiO2@Ag NPs dispersion for 6-12h; the SERS active substrate is obtained after taking out from water and drying. In the SERS active substrate of the invention, the active particles and the substrate are combined firmly, thus being applicable to detecting unimolecular Raman signals in aqueous solution; the substrate can be used for SERS detection repeatedly, thus improving repeated utilization ratio of the substrate.

The invention discloses high-temperature (800 DEG C) wear-resistant paint and a preparation method thereof. The high-temperature wear-resistant paint comprises a component 1 and a component 2, wherein the component 1 is prepared by mixing a component A and a component B; the component A in the component 1 comprises the following components: black silicon carbide, fine-grain aluminum oxide, dispersing agent, zinc oxide, modified epoxy resin, flatting agent and an auxiliary material; the component B in the component 1 comprises the following components: organic silicon modified epoxy resin, a filler, antimony trioxide, film-forming assistant and thickener; and the component 2 is curing agent and coupling agent. The high-temperature (800 DEG C) wear-resistant paint is prepared by the following steps: mixing the component A and the component B in the component 1, and curing the component 1 with the component 2. The high-temperature wear-resistant paint is prepared by compounding the double components, has excellent high temperature resistance and wear resistance, and also has the fine properties of favorable hardness, high heat stability, ductility, workability and the like. The invention also designs the method for preparing the high-temperature wear-resistant paint. The preparation method is simple and low in cost.

The invention discloses a production method of hot stamping foil, which adopts six production process flows: release coating, protective layer coating, color layer coating, accurate aluminizing and curing glue layer coating. In the whole production process, water soluble glue, water soluble ink and water soluble gloss oil are used to realize the integrated production of the hot stamping foil, methacrylates and monomers which are emulsified and polymerized are mixed in a certain ratio, a dye leveler, thickener and the like are added in the mixture, the resulting product is coated and dried, polyvinyl butyral-based glue is coated, and the whole production of the hot stamping foil is finished. The hot stamping foil produced by the process has the characteristics of energy conservation, environmental protection and sanitation.

The invention discloses a self-wringing flat plate mop, which comprises a mop rod and a flat plate mop head, wherein mop cloth can be arranged on the back surface of the flat plate mop head; a smoothing sleeve capable of sliding up and down is arranged on the mop rod in a sleeving way; a smoothing head is arranged at the lower end of the smoothing sleeve, and is provided with a penetration opening; a wringing mechanism is arranged on the bottom surface of the penetration opening; the flat plate mop head can be inserted into the penetration opening after rotating to be parallel to the mop rod; when the smoothing head is at a high position, the flat plate mop head is separated from the penetration opening, and when the smoothing head is at a low position, the lower end of the flat plate mop head is inserted into the penetration opening; when the smoothing sleeve is upwards pulled, the mop cloth on the back surface of the flat plate mop head is wrung through the wringing mechanism; the smoothing head transversely extends, so that the smoothing head also serves as a base when being at the low position, the lower end of the flat plate mop head parallel to the mop rod is inserted into the penetration opening, and the mop can be vertically arranged. According to the self-wringing flat plate mop, the whole mop (comprising the flat plate mop head) can be vertically arranged after being wrung, so that the mop cloth on the flat plate mop head is conveniently air-dried, and is prevented from being in contact with the ground again and getting dirty.

The invention relates to a water-base printing ink and its producing method, especially water-base high light friction resistance gravure oil and the producing method thereof. The oil is suitable for packing print in the soft packing field such as food, drink, medicine, health products, chemicals and etc. The water-base high light friction resistance gravure oil is composed of acrylic resin, acrylic emulsion, dye, ethanol, built-up agent, dispersant, deionized water, water-base emulsifying wax, antifoamer, leveling agent. The inventive product completely meets the requirement of the gravure oil, has a reliable quality and can replace the solvent gravure oil, which can be dilute by the tap water of ethanol. The printing device can be washed directly by the tap water. The product has a high concentration, a low viscosity, a good printing adaptability has no harm to the environment and human body. The presswork has a clear pattern, a bright color, a powerful attached fastness, a good water resistance and friction resistance, has no harmful residue after drying and is not easy to fade and shed.

The invention relates to a waste water treatment catalyst and a preparation method thereof. The catalyst of the invention takes active carbon as a carrier and one or several of oxides of metals such as copper, iron, manganese, vanadium, zinc and titanium as an active ingredient. The preparation method comprises: firstly, preparing high-temperature active carbon carrier at 350 to 700 DEG C; secondly, immersing the high-temperature active carbon carrier in the immersion liquor containing active metal components or spraying immersion liquor containing active metal components to immerse the high-temperature active carbon carrier so as to load a catalytic active component onto the active carbon carrier quickly; and finally, cooling, washing and drying to obtain the catalyst. The catalyst prepared by the method has the advantages that the content of the active metal components is high, and the active metal components are insusceptible to loss in waste water. The catalyst is mainly used in the catalytic oxidization treatment process of waste water.

The invention relates to a fabric capable of preventing electromagnetic radiation, which is knitted or weaved. The warp and the abb of the fabric comprise covering yarn. The covering yarn takes one of silver plating fiber, carbon fiber and carbon black organic fiber as core yarn and takes comfortable fiber as skin yarn; the silver plating fiber is formed by carrying out silver plating on synthetic fiber; the weight ratio of the corn yarn to the skin yarn is 10-70:30-90; and the comfortable fiber is one of cotton, wool, silk, hemp, viscose, bamboo fiber, bamboo carbon fiber, soybean fiber, PLA fiber, alginate fibre, milk fiber and pearl fiber. The invention can shield electromagnetic wave, and the shield effect is above 99%. The skin yarn in the covering yarn adopts natural fiber, and the natural fiber on the outer layer has the characteristics of moisture absorption, ventilation and comfort.

The invention discloses an additive to selectively lower the aldehydes substances in cigarette smoke, which uses the silica gel with thick holes as the carrier and introduces the functional group through modification to coat a layer of chemical compounds provided with amidogen, carbamido or amide and capable of reacting with aldehydes substances on the carrier surface and the hole channel surface, wherein the modified carrier is applied in the cigarette filter up and can selectively lower the contents of the aldehyde substances in the cigarette smoke, such as formaldehyde, aldehyde, propanal, acrylic aldehyde, crotonaldehyde and the like.

The present invention is electrolytic processing method for ribbed deep small hole and its special tool cathode, and belongs to the field of electrolytic machining technology. The method includes the following steps: electrolytic machining one metal pipe with one reversely copied cathode to form notches in the surface of the metal pipe; coating epoxy resin glue into the notches; installing positioning rack to the end of the tool electrode to make the forming tool electrode; machining smooth hole in the workpiece; stretching the forming tool electrode into the deep smooth hole to machine the ribbed deep small hole. The present invention has simple machining of the forming tool electrode, high ribbed hole machining precision, high machining stability and other advantages.

A laminated board covered with copper foil consists of aluminium board, copper foil and modified epoxy insulation layer set between said aluminium board and said copper foil. It is featured as forming said modified epoxy insulation layer by one or more than one of vitrification point resin and aluminium nitride as well as aluminium oxide, and the rest of flame-proof epoxy resin. The preparing process of said laminated board is also disclosed.

The invention belongs to preparation of a porous nano catalytic material, and particularly relates to a preparation method and application of a porous carbon-doped high-dispersion cobalt-phosphide-loaded material. The material is a carbon-based composite material which is of a mesoporous-macropore hierarchical porous structure and in which nitrogen atoms and phosphorus atoms are chemically doped in carbon skeletons and cobalt phosphide nanoparticles are loaded in a high-dispersion mode, and the specific surface area reaches up to 867 m<2> / g. The material is synthesized through the method comprising the steps that prepolymerization is firstly performed on organic phosphonic acid and melamine, and then high-temperature carbonization is performed. The material is applied to electro-catalysis hydrolysis hydrogen production and has the good effect. Used equipment is simple, the synthesis conditions are mild, the raw materials are easy to obtain, and the material is suitable for industrialized mass production.

The invention relates to waterborne polyurethane epoxy resin modified emulsified asphalt, which comprises an ingredient A and an ingredient B, wherein the ingredient A is modified alicyclic amine epoxy resin curing agent aqueous solution, the ingredient B consists of the following ingredients in mass parts: 5 to 40 parts of waterborne polyurethane epoxy resin and 60 to 95 parts of emulsified asphalt, and the mass percent ratio of the ingredient A to an ingredient B is 1 / 10 to 1 / 30. During application, the ingredient A and the ingredient B are proportionably and uniformly mixed, and the waterborne polyurethane epoxy resin modified emulsified asphalt is obtained. Various indexes of the modified emulsified asphalt are all superior to those of the modified emulsified asphalt in common use in markets, good low-temperature flexibitity and high-temperature stability are realized, the brittle rupture is not easily caused under the loading effect, the adhesivity with stone materials and pavements is good, the binding force is strong, and the waterborne polyurethane epoxy resin modified emulsified asphalt can be used for pavement maintenance or can be used as cementing materials of preventive maintenance and pot hole repair materials.

The invention refers to a kind of catalyst in organic waster gas purification. It is made up of honeycomb pottery carrier and the paint layer on the carrier, and the precious metal active components. The layer has characters such as stable paint layer, excellent high temperature resistant performance, the efficiency is high. The paint layer is made up of Al2O3, SiO2 and a one kind of or more alkali metal oxide. The paint layer combines with the honeycomb pottery carrier stably.

The invention discloses a method for preparing an antipollution chitosan-nonwoven fabric composite porous filter membrane and belongs to the technical field of microfilter and ultrafilter composite membranes. The method is characterized in that the method adopts nonwoven fabric with nominal aperture of between 0.1 and 10 microns as a base membrane; a crosslinking agent is adopted to carry out pretreatment on the base membrane; 0.1 to 10 mass percent amylose is dissolved in an acetic acid solution; the crosslinking agent and a hole formation agent are added into the acetic acid solution; after the crosslinking reaction, a casting film liquid is obtained; at negative pressure, the casting film liquid is evenly coated on the surface and pores of the porous base membrane; and after treatment by a sodium hydroxide solution and a hot water bath, the antipollution chitosan-nonwoven fabric composite porous filter membrane is formed. The method has the advantages that the prepared composite membrane has good mechanical performance and chemical stability; and the surface of the membrane is levelled and smooth. The composite membrane has dual functions of hydrophile and antibiosis, can lighten adsorption of pollutants on the surface of the membrane, inhibit the growth and reproduction of thalli on the surface of the membrane, and keep the penetrating performance of the membrane and is widely applied to the water treatment process of various fields.