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.

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 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 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 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.