33results about How to "Not easy to wipe off" patented technology

The invention provides a composite photocatalyst and a preparation method and application thereof. The composite photocatalyst comprises a solvent and nanometer titania, a carbon material and nano-crystalline cellulose which dispersed in the solvent, and the nano-crystalline cellulose and the nanometer titania are interspersed in the carbon material. The preparation method includes the steps of 1), mixing a carbon material dispersion solution with a nanometer titania dispersion solution to obtain a mixture; 2), mixing the mixture with a nano-crystalline cellulose solution to obtain the composite photocatalyst. The composite photocatalyst is good in photocatalytic effect, simple in preparation method and widely applicable to the field of environmental restoration.

The invention provides a method for printing words on the surface of a cable with a fluoroplastic sheath, which comprises the following steps: performing water-cooling sizing after extruding the fluoroplastic sheath of the cable; performing surface drying; and printing words on the surface of the fluoroplastic sheath by adopting a type wheel. During water-cooling sizing, a heating device is adopted to maintain the water temperature about 130 DEG C under the pressure of 0.2MPa; after the surface of the fluoroplastic sheath is dried, the surface thereof is treated; a plasma flamethrower ionizes the air to generate a high-concentration plasma source, and plasmas are sprayed through compressed air to treat the surface of the fluoroplastic sheath, so that the surface is roughened; the arc type wheel is used to print words on the surface of the fluoroplastic sheath; and another plasma flamethrower dries the printed words. The method for printing the words on the surface of the cable with the fluoroplastic sheath can obviously improve the adhesion firmness of the printed words, so that the printed words have good scuff resistance and are difficult to erase, and the cable is convenient to lay and use.

The invention relates to TiO2 / C reinforced fingerprint appearing magnetic powder and a preparation method and application thereof, and belongs to the technical field of fingerprint identification. The fingerprint appearing magnetic powder is prepared from magnetic powder, developing powder and coloring powder. The chemical formula of the ingredients of the fingerprint appearing magnetic powder is Ma(BN)bXc, M is the magnetic powder and selected from at least one of Fe powder, Co powder, Ni powder, Fe3O4 powder and Fe78Si9B13 amorphous powder. BN is the developing powder, X is the coloring powder and selected from one of TiO2 and C, the subscripts a, b and c are the atom percentages of the corresponding elements, a is larger than or equal to 40 and smaller than or equal to 60, b is larger than or equal to 30 and smaller than or equal to 50, c is larger than or equal to 5 and smaller than or equal to 15, and the sum of a, b and c is 100. Compared with the prior art, the fingerprint appearing magnetic powder has the most prominent advantages that on the premise of high appearing precision, the preparation process is simplified, the fingerprint appearing magnetic powder is widely suitable for various complex environments, and high actual application value is achieved.

The invention discloses a Chinese traditional medicine compound trans-dermal absorption plaster for treating dysmenorrhea and a preparation method thereof. The plaster is prepared with the following materials by weight ratios: 0.5-3 shares of angelica extract, which is extracted from angelica by carbon dioxide supercritical extraction; 4-6 shares of fumitory extract, which is extracted from fumitory by traditional extraction method; 1-3 shares of turmeric extract, which is extracted from Chinese traditional medicinal materials by carbon dioxide supercritical extraction; 0.5-2 shares of trans-dermal accelerant; and 100-150 shares of pressure-sensitive adhesive. The materials are dispersed by nano-microemulsion dispersing machine intensively, and the particle diameter of the microemulsion is limited in nano-grade. The trans-dermal absorption preparation of the invention enters into the Subcutaneous capillary through skin cell gaps, and gets to the focus along with the blood circulation; the biological availability is improved by more than 10 times higher than the equivalent products, the curative effect is improved notably, the usage is convenient, and the adaptability of the sufferer is improved.

The present invention discloses compositions for increasing the adhesion of a layer of silver deposited from an immersion plating bath as well as methods of increasing the adhesion of silver layers obtained using these compositions. Such compositions and methods are particularly useful in the manufacture of electronic devices.

The invention discloses a manufacturing process of three-dimensional highlight 3D glass. The process comprises the following steps of glass plate shape cutting, grinding treatment, overall cleaning, accurate grinding and polishing treatment, surface cleaning and AF surface crystal plating, the antifouling property of the 3D glass is effectively improved, external finger fingerprints and oil stainscan be effectively prevented from being prone to adhesion, and a user can easily wipe off stains on the surface; the anti-scratching performance is achieved, the treated surface is smoother, the handfeeling is more comfortable, and the surface is not prone to being scratched by external objects; strong wear-resistant performance and corrosion-resistant performance are also realized; the defectsthat the structure is incomplete, the local stress property is poor, the appearance is not attractive and the like due to the fact that grinding and polishing of the 3D glass machined in a conventional machining mode are limited by edges and corners and a cross section is formed at the contact part with a face are effectively overcome.

The invention relates to a printed wiping-resistant black thermoplastic low-smoke zero-halogen flame-retardant polyolefin cable sheathing material and belongs to the technical field of sheathing material for wire and cable. The sheathing material comprises 100 parts of matrix resin, 120 to 180 parts of flame retardant, 1.0 to 2.0 parts of polyester coupling agent, 0.03 to 0.08 parts of initiator, 1 to 3 parts of lubricant, 0.5 to 2.5 parts of antioxidant, 1.0 to 3.0 parts of surfactant, 2 to 3 parts of black masterbatch. The base resin is composed of the following raw materials in proportions, by weight: 70 to 90 parts of ethylene copolymer and 10 to 30 parts of polymer compatibilizer; the flame retardant is composed of the following raw materials in proportions, by weight: 90 to 140 parts of aluminum hydroxide and 30 to 60 parts of magnesium hydroxide. The sheathing material has the advantages that the requirements of a reliable combination of ink and sheathing surface is satisfied, an ink adhesion force is improved, a limit oxygen index of the material is enhanced, a wetting of the ink on the plastic surface is improved and a logo on the sheathing material is not easy to be wiped to remove.

The invention relates to the technical field of coating technique on a product surface, in particular to a hot stamping coating technique. Before carrying out the hot stamping, pre-treatment is carried out on a hot stamping film; the pre-treatment is a physical treatment that the hot stamping film is placed in the environment under the temperature of 200 DEG C within one hour; the physical treatment leads the hot stamping film and the surface of a metal material to have a better bonding force; after processed by the hot stamping coating technique of the invention, a hot stamping pattern stamped on the surface of the metal material can be firmly stuck on the surface of the metal; the hot stamping pattern is hard to be scraped or scratched; the hot stamping pattern is wear-resistant and scraping-resistant.

The invention discloses a black oxidation method of a stainless steel cathode. The method comprises the steps of adding an electrolyte into an electrolytic tank, then adding three drops of nitrobenzene, uniformly stirring, then extending completely-cleaned parts into the tank, electrifying, and performing oxidation for 10 minutes. The problems that a chemical oxidation film layer is non-uniform in appearance and high in energy consumption and has heavy metal pollution can be solved by adopting the technical scheme disclosed by the invention; a film layer obtained by using the method is uniformly gray black to black in appearance, and is especially suitable for stainless steel parts for extinction required by optical instruments.

The invention discloses a release agent composition. The release agent composition is prepared from a BN release agent with the concentration of 10-150 g / L and polyvinylpyrrolidone with the concentration of 1-20 g / L, wherein absolute ethyl alcohol is adopted as solvent. According to the release agent composition, the BN release agent with the certain concentration is added into the absolute ethyl alcohol solvent and cooperates with polyvinylpyrrolidone with the appropriate concentration; the obtained release agent composition is good in uniform dispersion effect, not prone to be deposited at the bottom of a vessel during usage and very beneficial for coating of the release agent and a mold (a graphite pressure head), the release agent and the mold are combined firmly, the release agent is not prone to be erased during usage, the release agent is extremely good in stability and release effect, and the production requirements are met.

The invention discloses a method for preparing medical high-activity silicon oil, which comprises the following steps: using aminopropyl tetramethyldisiloxane, octamethylcy-clotetrasiloxane (D4), tetramethyltetraethylcyclotetrasiloxane(D4), and methylphenyl cyclic body(Dn) as polymeric monomers, and removing a heat source by dynamic ultra-filtration technology under the protection of N2; controlling reaction temperature and reaction time and carrying out polymerization under the actions of a catalyst and an accelerant; after the completion of the reaction, extracting low-boiling-point substances at reduced pressure; and finally, raising temperature and adding an amino coupling agent to obtain a target product with high purity. The method has the advantages of low cost, mild conditions, simple process and operation, no pollution and convenient industrialization. The product prepared by the method is used for the silicatization of medical appliance and has the advantages of excellent lubricating performance, waterproof performance and the like.

The invention discloses a Chinese traditional medicine compound trans-dermal absorption plaster for treating dysmenorrhea and the preparation method thereof. The plaster is prepared with the following materials by weight ratios: 0.5-3 portions of evodia rutaecarpa extract, 0.5-3 portions of rhizoma zingiberis, 4-6 portions of fumitory extract, which is extracted from Chinese traditional medicine of fumitory by traditional extraction method, 1-3 portions of turmeric extract, which is extracted from Chinese traditional medicinal materials by carbon dioxide supercritical extraction, 0.5-2 portions of trans-dermal accelerant, and 100-150 portions of pressure-sensitive adhesive. The materials are dispersed by nano-microemulsion dispersing machine intensively, and the particle diameter of the microemulsion is limited in nano-grade. The trans-dermal absorption preparation of the invention enters into the Subcutaneous capillary through skin cell gaps, and gets to the focus along with the blood circulation; the biological availability is improved by more than 10 times higher than the equivalent products, the curative effect is improved notably, the usage is convenient, and the adaptability of the sufferer is improved.

The invention discloses transfer water, which is prepared from the following components in percentages by mass: 7-10% of edible Chinese white spirit, 4-6% of active dry yeast, 78-82% of an ethyl acetate-type edible essence, 1-3% of white vinegar and 3-8% of an edible fruity essence. The transfer water is prepared from purely natural edible components; harmful substances, such as a paint thinner and xylene, in inferior industrial chemical products, used in the market can be effectively replaced; the long-term harm to a human body is avoided; and the transfer water is safe and effective for a tattooist and professional personnel requiring drawing. In addition, the Chinese white spirit and the active dry yeast are mixed and qualitatively changed to generate relatively multiple ester matters, the ester matters are mixed with the ethyl acetate-type edible essence, the ester of the mixed solution reaches higher concentration and secondary reaction is hermetically carried out to generate high-concentration organic ester transfer water, so that an original pattern can be clearly transferred to the to-be-tattooed skin, and the stability of the pattern is kept, the pattern does not deform and is not easily erased, the original state of the pattern is displayed and accurate tattooing is facilitated.

The invention relates to a simple rotary coding device and belongs to the technical field of mechanical equipment. The simple rotary coding device comprises supporting legs, an operating platform, a first bearing, bearing sleeves, a rotating shaft and a second bearing. According to the simple rotary coding device, a coding rotating disc and a code bar protrusion are arranged on the rotating shaft, and a handle is rotated, so that a groove mark is directly pressed on a to-be-coded object through the code bar protrusion; in this way, a manufactured bar code is clearer, cleaner and more sanitary and is also not prone to being erased, and the printing ink pollution problem is better solved; the code bar protrusion can be pressed and engraved on a metal plate, the code engraving efficiency is improved, the cost is reduced, and the labor intensity of workers is relieved; and in addition, the structure is simple, using is stable, convenient and reliable, and the simple rotary coding device is suitable for application and popularization.

The technical scheme includes the casing, the sealed glass tube, the chemiluminescence agent filled between the casing and the glass tube as well as the agent in the sealed glass tube. The agent in the sealed glass tube can make chemiluminescence reaction to the chemiluminescence agent outside. The characters are that a pattern layer 3 is on the surface of the outer casing. The pattern layer 3 and the outer casing 1 are fused together as an integral body by using the heat fusing method. The method possesses the features of not easy to erase characters and patterns even the chemiluminescence stick is buckled for multiple times. The stick is pleasing to the eye and interesting.

The invention provides a composite pencil lead. The composite pencil lead is prepared from the raw materials in parts by mass: graphite powder, bisphenol A-type unsaturated polyester resin, asphalt, bismuth powder and indium powder. A preparation method of the composite pencil lead comprises the following steps that the raw materials are mixed evenly according to the ratio firstly, a mixture is preheated under the vacuum condition at the preheating temperature of 150-280 DEG C, and then the preheated mixture is calcined under carbon protection at 310-340 DEG C; and then a calcined material issubjected to injection-compression molding, annealing is conducted, and thus a composite pencil lead coarse material is obtained. The composite pencil lead is prepared from an environment-friendly material, has no pollution to the environment, has no harm to a human body and is high in abrasion resistance, and the abrasion resistance of the composite pencil lead is much higher than that of a pencil and higher than that of a metal refill; brightness and the gray level are high; the pencil lead is high in flowability and lubricating degree, not prone to being oxidized, resistant to corrosion andgood in stability; the composite pencil lead can be used as a pencil lead, the pencil point is firm, and no powder falls off in the writing process; writing is smooth, and handwriting is long in preservation time and not prone to deforming; the hardness can reach the HB level; and the composite pencil lead can be applied universally, and erasing is easy.

The invention provides a composite photocatalyst and its preparation method and application. The composite photocatalyst includes a solvent and nano-titanium dioxide, carbon materials and nano-cellulose dispersed in the solvent, and the nano-cellulose and nano-titanium dioxide are interspersed between the carbon materials. between. The preparation method comprises: (1) mixing the carbon material dispersion liquid with the nano-titanium dioxide dispersion liquid to obtain a mixed liquid; (2) mixing the mixed liquid with a nano-cellulose solution to obtain the composite photocatalyst. The photocatalytic effect of the composite photocatalyst is good, the preparation method is simple, and can be widely used in the field of environmental restoration.

The invention discloses an anti-counterfeiting traceability anti- commodity fleeing positioning device for tracking the position of a commodity. The device comprises a first supporting plate and a second supporting plate, the left side of the first supporting plate is fixedly connected with a third supporting plate, and the top of the third supporting plate is slidingly connected with an arc frame. A motor drives a rotating rod to rotate; a cylindrical rod rotates in a movable groove; the arc frame is driven to move to push a rectangular pipe to move; a dipping head of an ink tank in the rectangular pipe is in contact with a commodity on a conveying belt; the ink is printed on the commodity; the method can fix the position of anti-counterfeiting traceability on the commodity each time. Theoverall efficiency is improved and the manufacturing cost is lowered to a certain degree. The ink is not prone to being wiped off after being air-dried, the anti-counterfeiting degree of commoditiescan be improved, and the device has the advantages of being convenient to operate, simple in structure, low in comprehensive cost and high in working efficiency and is suitable for batch production ofcommodities in large factories.

The invention provides a wear-resistant pen refill and a preparation method thereof. The wear-resistant pen refill comprises the following raw material in parts by mass: 30-90 parts of carbon powder,5-35 parts of phenolic resin, 0.1-8 parts of asphalt, 0.1-3 parts of iron powder, 0.1-2 parts of boron and 0.01-1 part of phosphorus, wherein the particle size range of the carbon powder, the iron powder, the boron and the phosphorus is 50-1000 meshes. The preparation method comprises the following steps: preparing a paste material, extruding the paste material into a blank, calcining the blank, and carrying out processing so as to obtain a wear-resistant pen refill coarse material. The raw materials of the wear-resistant pen refill provided by the invention are all environmentally-friendly materials, so the wear-resistant pen refill is free of pollution to the environment and harmless to the human body. The abrasion resistance of the wear-resistant pen refill is high and is far larger than the abrasion resistance of a pencil and a metal pen refill; the brightness and the gray scale of the wear-resistant pen refill are high; the core of the wear-resistant pen refill is high in fluidityand high in lubrication degree; the wear-resistant pen refill is not prone to oxidation, is corrosion-proof, has good stability and does not generate discoloration; the wear-resistant pen refill canbe used as a pen refill, is firm in pen point, does not fall powder in the writing process, and is safe and reliable; the wear-resistant pen refill is smooth in writing; handwriting can be stored fora long time and is not easy to deform; the hardness of the wear-resistant pen refill can reach an HB level; and the handwriting of the wear-resistant pen refill is easy to be cleaned by using an eraser.

The invention discloses a novel coding machine and relates to the technical field of packaging machines. A pinch roller (4) is connected with a print head (5) through a belt. The print head (5) is connected with a belt conveying wheel (6) through a belt. A rubber belt (7) is meshed with the pinch roller (4). The pinch roller (4), the rubber wheel (7) and the belt conveying wheel (6) are all arranged on a box body (8). A belt collecting wheel (9) is arranged on one side of the box body (8) and is connected with the pinch roller (4) through a belt. A temperature knob (10), a security button (11), a power switch (12) and a handle (13) are sequentially arranged on the box body (8). A plurality of idler wheels (14) are respectively arranged at the four corners of the bottom of a printing workbench (1). The novel coding machine is simple in structure, attractive and exquisite in style, simple to use, convenient to maintain, low in cost, diverse in function, good in printing effect, incapable of being erased easily, long in service life and capable of meeting requirements of people.

This composition for optical films contains silica-based hollow fine particles, a matrix precursor, a non-volatile liquid and a volatile solvent. The vapor pressure of the non-volatile liquid at 25 DEG C is 500 Pa or less, and the boiling point of the non-volatile liquid is 250 DEG C or more. The volatile solvent has higher volatility than the non-volatile liquid. The content of the non-volatile liquid is from 0.1 part by mass to 30 parts by mass (inclusive) per 100 parts by mass of the total mass of the silica-based hollow fine particle component and the matrix precursor component.

The invention relates to a surface code spraying method for a crosslinked polyethylene cable wire core. The surface code spraying method mainly comprises the following step that when the surface temperature of the crosslinked polyethylene cable wire core is 110 to 130 DEG C, ink is used for code spraying and character printing. When the method is adopted for spraying codes and printing characters on the surface of the crosslinked polyethylene cable wire core, the adhesive force of printed characters can be improved, and the wear resistance of the printed characters can be enhanced.