43results about How to "Long-lasting function" patented technology

The invention relates to a filter paper modified liquid for a filter and the preparing method and use thereof, comprising phenylpropyl latex or organic silicone acrylic acid 4-20 weight shares, melamine 1-4 weight shares, and solvent 24-78.9 weight shares, where the solvent is any one of the water, deionized water, alcohol and isopropanol; also comprising Teflon latex 15-35 weight shares; further able to comprise micrometer or nanometer titanium dioxide particles 1-10 weight shares, and NP-13 0.1-2 weight shares; and able to the filtering performance and service life of the filter paper of the filter. And the making method is the traditional mixing method. and the use: adopting traditional methods spraying and dipping to form a film layer on each side of the filter paper, then keeping temperature at 110-130DEG C for 1.5-2min, thus able to obtain two layers of modified films on the filter paper, which can help improve filtering efficiency and service life of the filter.

The invention discloses a preparation method of an antibacterial antivirus cotton fabric, a cotton fabric and applications thereof. The preparation method comprises the following steps: preprocessing cotton fabrics to generate free radicals that can react; and soaking the preprocessed cotton fabrics in a finishing solution to carry out a finishing treatment to introduce at least two different kinds of antibacterial antivirus groups into the cotton fabrics so as to obtain the antibacterial antivirus cotton fabric. According to the preparation method, the cotton fabric is preprocessed by ultraviolet lights or plasma so as to generate reactive free radicals, and then at least two different kinds of functional groups with antibacterial antivirus functions are introduced into the cotton fabric. The provided cotton fabric has the advantages of chitosan such as moisture absorption function, breathability, good biocompatibility, and the like, and at the same time has a broad-spectrum antibacterial function and hydrophilicity. Moreover, the cotton fabric is connected to the functional groups with antibacterial antivirus functions through chemical bonds, the washing resistant function of functional cotton fabric is prominently enhanced, the broad-spectrum antibacterial function of the functional cotton fabric is also improved, and the application range of the cotton fabric is enlarged.

The invention belongs to the technical field of functional fiber, relates to preparation and application of a tea extract oil composite modified additive, and aims to preparation of functional adhesive fiber. The preparation comprises the following steps: preparing a solid adsorbent containing a tea extract; preparing tea oil micro-capsule slurry; uniformly mixing the solid adsorbent and the tea oil micro-capsule slurry, and stirring so as to obtain a composite modified additive; preparing adhesive fiber with a tea fragrance antibacterial deodorization function, wherein preparation of the adhesive fiber comprises the following steps: preparing a commixed spinning liquid, and spinning; the prepared adhesive fiber with the tea fragrance antibacterial deodorization function comprises 1.0-11.0wt% of an adsorbent of a porous structure, 2.0-5.0wt% of a tea extract and 1.0-11.0wt% of a tea oil micro-capsule. The tea extract oil composite modified additive is stable in property, can be uniformly fused with an adhesive stock solution, and has long-lasting tea fragrance and an antibacterial deodorization function, and effective components in fiber are slightly lost in the spinning process and later treatment process.

The invention discloses silicone rubber leather with an anti-fouling function. The silicone rubber leather is prepared from the following raw materials in parts by mass: a component A with the anti-fouling function and a component B with the anti-fouling function, wherein the component A is prepared from the following raw materials: 100 to 200 parts of vinyl silicone rubber base adhesive, 50 to 70parts of vinyl fluorosilicone oil, 5 to 20 parts of hydrogen-containing silicone oil, 0.1 to 0.5 part of platinum catalyst, 5 to 20 parts of color paste pigment, 0.02 to 0.1 part of inhibitor and 3 parts of purified water; the component B is prepared from the following raw materials: 100 to 150 parts of matte handfeel oil, 20 to 50 parts of vinyl fluorosilicone oil, 1 to 5 parts of Mmatte handfeel oil curing agent and 10 to 30 parts of acrylic modified silicon resin. The invention also discloses a coating process for the silicone rubber leather with the anti-fouling function. The process disclosed by the invention has the advantages of simplicity, high production efficiency and low production cost; the prepared silicone rubber leather with the anti-fouling function has the advantages of good anti-fouling function, easiness in cleaning and durable anti-fouling function.

A linear guideway with a changeable oil-storage unit comprises: a rail, a sliding block; an end cap having an oil-filler hole fixed to either end of the sliding block, an oil-storage unit having an oil storage space, a connecting portion, and an oil feeding hole; a joint unit defined with a through hole, and two connecting portions connected to the oil filler hole and the connecting portion of the oil-storage unit, respectively. One of the connecting portions has a plug-in arrangement for providing quick connection to the oil-storage unit, the through hole, the oil filler hole and the oil feeding hole are connected to one other, forming an oil route for providing lubrication for the linear guideway.

The invention provides an antibacterial and mildew-resistant superfine-fiber synthetic leather, a preparation method and products thereof. The antibacterial and mildew-resistant superfine-fiber synthetic leather comprises polyurethane resin and a composite antibacterial agent uniformly dispersed in the polyurethane. The preparation method comprises adding a foaming agent, a foam stabilizer, water and an aqueous coloring agent into an aqueous anionic polyurethane impregnated slurry, uniformly stirring by using a high-speed mixer to prepare into slurry, fully wetting and dispersing an inorganic antiseptic, an organic antiseptic, a compatibility treating agent and an anti-discoloration agent in dimethylformamide, stirring, grinding, adding the composite antibacterial agent with an adjusted viscosity into polyurethane synthetic leather molding slurry, uniformly mixing, and molding. The antibacterial and mildew-resistant superfine-fiber synthetic leather can be widely applied in shoes, sofa, clothes leather, case leather and leather for furniture and interior decoration.

The invention discloses a ceramic particle with far infrared and photocatalysis functions, confected by the following raw materials by weight percentage content: minus 15-65% of far infrared powder, minus 5-59% of photocatalyst, minus 3-15% of rare earth oxide and minus 5-35% of binding agent. The invention also discloses a manufacturing method of the ceramic particle with far infrared and photocatalysis functions. The invention has extremely strong far infrared radiation capability and excellent photocatalysis activity and can be widely applied to the fields of running water mineralization activation treatment, biological health care, clothing tableware cleaning and air purification, so as to realize the functions of purification, health care, washing and activation.

A ball screw with a changeable oil-storage unit comprises: a screw shaft, a nut mounted on the screw shaft, a plurality of rolling elements, the nut defined with oil filler hole; an oil-storage unit having an oil feeding hole and an oil-storage space; a connector having a through hole and two connecting portions for mating with the oil filler hole of the nut and the oil feeding hole of the oil-storage space, respectively; one of the connecting portions has a tongue and groove arrangement, so that the through hole of the connector is connected to the oil filler hole of the nut and the oil feeding hole of the oil-storage space, forming an oil route that is used to provide lubricating oil for the ball screw.

The invention discloses a making method of far-infrared antistatic polyester fiber, which is characterized by the following: generating BHET terephthalic glycol ester monomer after the esterifying reaction of raw PTA terephthalic acid and EG glycol ester in the heating condition; leading the material into polyaxe; adding the preparing modulated functional additive of inorganic antistat EG glycol ester slurry in the atmospheric polycondensation reaction stage; starting pressure-relief reaction after a while; generating the polyester microtome section by cooling the fondant; textiling the far-infrared-and-antistatic compound function polyester short fiber after mixing the antistatic polyester microtome section and nanometer far-infrared ceramic powder. The technological program is mature and easy to operate, which can produce everlasting far-infrared-and-antistatic compound functional polyester short fiber.

A ball screw with a changeable oil-storage unit comprises: a screw shaft, a nut mounted on the screw shaft, a plurality of rolling elements, the nut defined with oil filler hole; an oil-storage unit having an oil feeding hole and an oil-storage space; a connector having a through hole and two connecting portions for mating with the oil filler hole of the nut and the oil feeding hole of the oil-storage space, respectively; one of the connecting portions has a tongue and groove arrangement, so that the through hole of the connector is connected to the oil filler hole of the nut and the oil feeding hole of the oil-storage space, forming an oil route that is used to provide lubricating oil for the ball screw.

The invention relates to a finishing technology of a nano-silver antimicrobial textile. The finishing technology comprises the work procedures of finishing a gray fabric of a semi-finished textile, softening for shaping and drying for shaping. The finishing technology is characterized in that during the work procedure of softening for shaping, the gray fabric is completely soaked in a nano-silver ion material liquid for 1-120 minutes and then is taken out, washed by water and dried in air to obtain the nano-silver antimicrobial textile, wherein the nano-silver ion material liquid is obtained by means of mixing 0.01%-5% by weight of an amino-terminated hyperbranched polymer, an aqueous solution of quaternary ammonium salt of the amino-terminated hyperbranched polymer, and a silver nitrate solution with molality of 0.01-0.5 mol / L. The textile, produced by the finishing technology adopting a manner of completely soaking the gray fabric of the textile in the nano-silver ion material liquid in the softening for shaping of the gray fabric and then drying the gray fabric, has remarkable antibacterial and mildew-proof effects and lasting functions, has health-care functions such as removal of undesirable odor, and can endure multiple times of water washing and repeated dry-cleaning.

The invention relates to negative ion induced powder, a composition containing the same and a coating partner. The negative ion induced powder is prepared from the following components in percentage by weight: 20-35% of tourmaline, 27-34% of germanite, 33-43% of hexacyclic stone, and 3-5% of a lanthanide rare earth additive; and the grain diameter of the negative ion induced powder is 50 nanometers to 50 microns, and the negative ion release amount of the negative ion induced powder is 10000 to 50000 per cm<3>.s. The composition contains the negative ion induced powder and a porous material. According to the formulation provided by the invention, three natural minerals of the tourmaline, the germanite and the hexacyclic stone are adopted as main raw materials, meanwhile, the additive containing lanthanide rare earth is added, the natural minerals are activated, thus the negative ion release capacity of the formulation is improved, and accordingly, the negative ion induced powder can release a large number of negative ions under the situation of the small use amount.

The invention discloses an antibacterial silk product with nano-copper and a preparation method of the antibacterial silk product with nano-copper. The preparation method comprises the following steps: immersing a silk product in a buffer solution containing monascus, then adding a copper hydrochloride solution for soaking the immersed silk product, then performing reduction treatment with a reducing agent, and finally, performing cleaning and drying to obtain the antibacterial silk product with nano-copper. The antibacterial silk product with nano-copper and the preparation method thereof have the advantages that the broad-spectrum antibacterial property of silk fibers and fabrics thereof can be improved, furthermore, harm to human bodies can be avoided, and pollution to the environment also can be avoided; the preparation method is simple and easy to realize batch production; and the prepared antibacterial silk fiber product has excellent and lasting antibacterial property.

The invention is a device for reducing pressure surge, comprising a container having an inner space which container has a connection opening (28) for connecting a pipe member being suitable for flowing fluid, a piston member (14) dividing the inner space of the container into a fluid space (20) being in fluid flow connection with the connection opening (28) and a gas space (30), and being movable along a piston displacement axis, an elastic element being arranged in the gas space (30), being supported against the piston member (14) and undergoing elastic deformation in case the piston member (14) is displaced along the piston displacement axis, and a throttle valve (60) being in fluid flow connection with the gas space (30) at any position of the piston member (14), being arranged to connect the gas space (30) and the space surrounding the container, and allowing a continuous gas flow in both directions.

The invention provides a multifunctional and environment-friendly wood-like decorative board, and further provides a production method of the multifunctional and environment-friendly wood-like decorative board. The multifunctional and environment-friendly wood-like decorative board can simultaneously have the look and texture of solid wood with additional functions. The multifunctional and environment-friendly wood-like decorative board comprises a wood-like decorative film and a plate body, and the wood-like decorative film specifically comprises a texture functional layer, a base film layer,a visual effect layer and an adhesive layer from top to bottom. The texture functional layer is divided into a hard functional part and a soft functional par. The hard functional part and the soft functional part are simultaneously exposed on the front side of the wood-like decorative film. The soft functional part contains soft particles and microcapsules; the hard functional part contains hardparticles and microcapsules; and the microcapsules of the soft functional part and the microcapsules of the hard functional part both contain functional substances. The multifunctional and environment-friendly wood-like decorative board and the production method thereof have the following advantages that the texture and the look of the wood grain are very realistic, and the decorative board can beprovided with various functions which are easy to customize as needed.

The invention belongs to the technical field of functional plastics, and particularly relates to a nano-antibacterial antifouling table and chair plastic particle and a preparation method thereof. Thepreparation method specifically comprises the following steps: firstly, prefabricating a nano composite antibacterial agent, loading silver ions and zinc ions in nano micropores of silica gel obtained by hydrolyzing sodium methyl silicate, treating the material by utilizing polytetrafluoroethylene emulsion, and producing the nano composite antibacterial agent by virtue of centrifugal spray dryingand a sand mill. The nano-composite antibacterial agent has antibacterial property and hydrophobic self-cleaning property at the same time and further can be compounded and granulated with polypropylene, high-density polyethylene and the like to obtain the nano antibacterial antifouling table and chair plastic particles. In addition, zinc tungstate is compounded in the nano composite antibacterial agent. The invention aims at the basic performance requirements of plastic tables and chairs, wherein the nano-antibacterial antifouling table and chair plastic particles are prepared through reasonable formula synergistic cooperation, and after an antibacterial plastic product is prepared, the nano-composite antibacterial agent forms antibacterial, self-cleaning and antifouling functions in theproduct, and the stable and long-acting antibacterial property is realized.

The invention discloses an antibacterial silk product loaded with nano-copper and a preparation method of same. The method includes the steps of: soaking a silk product in a buffer solution containingmonascus bacteria, adding a copper salt acid solution to soak the silk product, and performing ultraviolet reduction treatment; finally cleaning and drying the product to prepare the antibacterial silk product loaded with nano-copper. The method can improve the broad-spectrum antibacterial effect of the silk fibers and a fabric thereof, can avoid damage on human body and pollution on environment.The preparation method is simple and is easy to carry out in large scale production. The antibacterial silk product has excellent and durable antibacterial function.

The invention belongs to the technical field of wood coatings, and particularly relates to a special water-based varnish for outdoor wooden windows and a preparation method thereof. The special water-based varnish comprises the following components in parts by weight: water-based resin, a pH regulator, an antifoaming agent, a film-forming solvent, a wetting agent, a leveling agent, an antioxidant,a light stabilizer, a flatting agent, a preservative, a thickener and deionized water. In addition, the invention further provides specific preparation process steps of the special water-based varnish for the outdoor wooden windows. The special water-based varnish for the outdoor wooden windows has excellent anti-aging and anti-pulverization functions, good weather resistance and excellent adhesive force, water resistance and freezing resistance, and can be used for effectively protecting wood for a long time and prolonging the service life; the water-based varnish product obtained by the preparation method provided by the invention can achieve almost zero microbubbles in a tank, and the product prepared according to the process can achieve thick coating without bubbling in field construction.

The invention discloses an air filter screen membrane with antibacterial, insect-proof and formaldehyde-removing functions and a manufacturing method of the air filter screen membrane. The method comprises the following steps of: preparing functional nano microemulsion from 0.5-1% of pyrethrin, 1-3% of a dispersing agent, 0.5-2% of titanium dioxide photocatalyst hydrosol, 0.1-3% of a thickening agent and 1-5% of bamboo charcoal particles; and carrying out loading and coating treatment on an air filter screen membrane base material by using the functional nano microemulsion. The air filter screen membrane has the beneficial effects that the air filter screen membrane prepared on the basis of the method has lasting antibacterial, insect-proof and formaldehyde-removing functions, the air quality is further improved, the air filter screen membrane can be applied to ventilation systems of any vehicle-mounted buildings, residence buildings and office buildings, and the filtering effect is improved compared with that of an original air filter screen membrane.

The invention discloses protective bath foam capable of realizing rapid makeup removal and a preparation method thereof. The protective bath foam capable of realizing rapid makeup removal contains 3-8wt% of selaginella lycopodium extract. According to the protective bath foam capable of realizing rapid makeup removal and the preparation method thereof disclosed by the invention, the selaginella lycopodium extract added into a formula of liquid shampoo is derived from all grass of selaginella lycopodium, is enriched in ferulic acid and other products, can achieve effects of scavenging free radicals, promoting generation of enzymes capable of eliminating free radicals, increasing activities of glutathione S-transferase and quinone reductase and inhibiting tyrosinase activity to regulate human physiological functions; with the adoption of a specific wetting agent, the bath foam can achieve a long-acting moisturizing effect, and the various components of the bath foam are effectively matched, so that the product is stable and obvious in cleansing care effect, has long-acting moisturizing and skin care effects, and can be used for a long time. The preparation method disclosed by the invention is simple in process, easy to operate, low in cost, high in efficiency and capable of easily realizing industrial production.

The invention provides an environment-friendly code-spraying BOPP (Biaxially Oriented Polypropylene) high-speed cigarette packing heat shrinkage film and a preparation method thereof. The BOPP thin film is characterized by being prepared by three layer structures including an upper surface layer, a core layer and a lower surface layer through direct co-extrusion and compounding, wherein the uppersurface layer is prepared from ingredients including 90 to 99 weight parts of copolymer polypropylene and 1 to 10 weight parts of printable anti-adhesion masterbatch; the core layer is prepared from the ingredients including 55 to 79 weight parts of homopolymer polypropylene, 20 to 35 weight parts of stiffening agent masterbatch and 1 to 10 weight parts of smoothening-anti-static agent masterbatch; the lower surface layer is prepared from the ingredients including 45 to 84 weight parts of copolymer polypropylene, 10 to 30 weight parts of non-migration smoothening-anti-adhesion masterbatch A, 5to 15 weight parts of non-migration smoothening agent masterbatch B and 1 to 10 weight parts of anti-adhesion masterbatch. The thin film maintains original good machine applicability, high stiffness,high elasticity modulus and excellent optical performance; the problem that an original thin film cannot durably maintain surface printing or code spraying is effectively solved.

The invention discloses a preparation method of antibacterial and antiviral cotton fabric, cotton fabric and application thereof. The preparation method comprises the following steps: pretreating the cotton fabric to generate reactive free radicals; making the pretreated cotton fabric Soaking in the finishing solution for finishing treatment to introduce at least two different types of antibacterial and antiviral groups on the cotton fabric to obtain the antibacterial and antiviral cotton fabric. The invention uses ultraviolet light or low-temperature plasma to pretreat cotton fabric to generate reactive free radicals, and then enters at least two different types of functional groups with antibacterial and antiviral properties. The cotton fabric of the present invention increases the broad-spectrum antibacterial performance and hydrophilicity of the cotton fabric while maintaining the good moisture absorption and air permeability of chitosan and biocompatibility, and the cotton fabric forms chemical bonds with the antibacterial and antiviral functional groups The connection significantly improves the washability of functional cotton fabrics, and also improves the broad-spectrum antibacterial properties and multi-field adaptability of functional cotton fabrics.

The invention belongs to the field of textiles, and specifically relates to a formaldehyde purifying agent and a using method thereof. The formaldehyde purifying agent is composed of a formaldehyde removing agent and a formaldehyde photocatalytic decomposition agent, the formaldehyde removing agent comprises powder and a medicament, the mass ratio of the powder to the medicament is 3-10. Specificcomponents and a formula are provided, and the using mode of the formaldehyde removing agent is further provided. The problem of poor formaldehyde removal effect in the prior art is solved, polyvinylacetate is used as a remover and is subjected to a polycondensation reaction with formaldehyde after alcoholysis, rapid removal of formaldehyde is achieved, a good removal effect is achieved, meanwhile, a photocatalytic decomposition agent is added to achieve a continuous formaldehyde decomposition function, and the air purification effect is achieved.

The invention relates to an actuator (1) and / or switch apparatus (8) of a command or signalling device (7), wherein the actuator is provided for cooperating with a switch apparatus, wherein the switchapparatus is provided for cooperating with an actuator, and wherein the switch apparatus is configured in such a way that an electrically conductive connection can be established via switching and / ortouching. The actuator and / or the switch apparatus are characterised in that an RFID element (4a - 4c, 5a - 5c) is provided on a component (2, 3) of the actuator and / or switch apparatus, wherein theRFID element has storage means in which information which relates to the command or signalling device and / or which can be read by individual parts of the command or signalling device is stored.

The invention belongs to the field of textile materials, and particularly relates to a preparation method of an air purification filter fabric with a formaldehyde removal function. The preparation method comprises the following steps: preparing a fabric treatment agent which is prepared from powder and a liquid preparation and preparing a formaldehyde catalytic decomposition agent, wherein specific components and formulas of the fabric treatment agent and the formaldehyde catalytic decomposition agent are provided; uniformly coating the surface of a fabric with the prepared fabric treating agent and the formaldehyde catalytic decomposition agent in sequence; and carrying out heat treatment in a drying oven. According to the invention, polyvinyl alcohol is used as a removing agent to be loaded on a filtering material, so formaldehyde in air and hydroxyl contained in a coating undergo condensation polymerization when passing through the filtering fabric, and rapid removal of formaldehydeis achieved; flocculent colloidal silica improves the adhesion strength of the coated coating; and meanwhile, by utilizing the synergistic effect of nano-rod-shaped zinc oxide compounded with silverions and a titanium dioxide catalyst, a filtering fabric device or a filtering bag is endowed with the environment protection functions of permanently decomposing formaldehyde and purifying air.

The invention discloses an anti-silting intercepting ditch assembly. The assembly is a prefabricated part and comprises a bottom groove body and a top water permeable groove cover, wherein the two ends of the bottom groove body are open, the bottom groove body is of a concrete structure, the cross section of the bottom groove body is an isosceles trapezoid, and the upper bottom of the bottom groove body is longer than the lower bottom of the bottom groove body; and the top water permeable groove cover is of a concrete structure formed by pouring non-fine concrete, the cross section of the top water permeable groove cover is in an upwards-arched arc shape, the top water permeable groove cover is buckled on a top opening of the bottom groove body in a matched mode, and the two ends of the top water permeable groove cover are flush with the two ends of the bottom groove body. The invention further discloses an intercepting ditch adopting the anti-silting intercepting ditch assembly. The intercepting ditch is formed by sequentially splicing and building a plurality of anti-silting intercepting ditch assemblies in the longitudinal direction. According to the anti-silting intercepting ditch assembly and the intercepting ditch adopting the same, the functions of preventing silting of the intercepting ditch and keeping a revetment complete and stable can be achieved, the construction efficiency can be effectively improved, the construction labor consumption and the rock block consumption can be reduced, and the design and construction requirements of various slope type revetment intercepting ditches of different structures can be met.

The invention discloses a photodynamic self-cleaning textile and a preparation method thereof, the photodynamic self-cleaning textile is prepared by the following steps: reacting a core-shell TiO2 aldehyde chitosan nanoparticle finishing liquid with a fabric, forming Schiff base, acetal bond and amido bond through aldehyde groups and amino groups in nanoparticles and amino groups, hydroxyl groups and carboxyl groups in the fabric, so that the nanoparticles are grafted on the surface of the fabric in a multi-site manner, and the photodynamic self-cleaning textile is obtained. The core-shell nanoparticles are uniformly dispersed in the fabric, have good stability and lasting antibacterial effect, and have strong ability to decompose stains on the surface of the fabric. The preparation process is simple and easy to implement, the cost is low, the controllability of reaction conditions is good, no cross-linking agent or auxiliary is used, the method is green and environmentally friendly, and the prepared core-shell TiO2 and aldehyde chitosan nanoparticle grafted fabric is soft, breathable, good in skin-friendly performance and durable in self-cleaning function and has huge market potential.