38results about How to "Strong combination fastness" patented technology

The invention discloses a selective coating for absorbing solar light and heat which belongs to field of solar energy equipment, particularly, relates to a selective absorbing coating which is used on the surface of the flat-plate solar collector and is used for absorbing and utilizing solar energy. The selective coating for absorbing solar light and heat is formed by compounding a plurality of layers of metal and non-metal, the selective solar energy is attached on a metal flat plate; the characteristics are as follows: the attachment sequence of the coating on the metal flat plate is as follows: a bottom layer-aluminum nitride composite layer-aluminum nitride composite layer- aluminum oxide (wherein, after the second layer of aluminum reacts with N2, whether new aluminum nitride composite material is generated). The invention provides a selective absorbing film with excellent selective absorption characteristic of solar energy and firm film, which is provided with high binding strength, good weatherability, as well as high production efficiency in production.

The invention belongs to the technical field of inorganic nano materials, and particularly relates to modified silica sol, fireproof liquid, composite fireproof glass and a preparation method and application thereof. The preparation method of the modified silica sol comprises the following steps: 1) mixing silica sol to be modified with a silane coupling agent and reacting; and 2) mixing an organic polymer containing a reaction group with the material obtained in the step 1) and reacting to obtain the modified silica sol. The modified silica sol is prepared by the preparation method and is used for preparing the fireproof liquid, and the obtained fireproof liquid is high in crosslinking density and good in adhesive force.

The invention relates to the technical field of blue calico production and manufacture, in particular to a resist agent for blue calico, aiming to provide a resist agent for blue calico, being simple to make and process and having high adhesive rate. The invention adopts the technical scheme that the resist agent for blue calico comprises quicklime, soybean meal, polyvinyl alcohol and penetrant. The invention has the advantages of simpleness in preparation and processing, less influence by raw material purity, high adhesive rate, good adsorption property and strong bonding firmness with cotton cloth, and the blue calico made by the resist agent can be normally used after being aired, wherein the airing time is shortened from 7 days to18h.

The invention relates to a method for producing an agricultural residue wheat straw/waste plastic pencil, which is characterized by comprising the steps of sieving sand, gravel and metal solid impurities from waste plastics and grinding; airing, drying, smashing and sieving wheat straws; mixing dried wheat straw whole powder with the sheet waste plastic broken materials at a high speed, spraying an isocyanate adhesive, stirring and blending; and filling the spray gel blending material in a pencil moulding press, hot-pressing, filling in a pencil lead, cold-pressing and decorating the appearance by utilizing paint. The pencil produced by utilizing the method has a nature appearance similar to wood and high penholder bonding fastness; the wood is replaced by the wheat straws and the waste plastics; the raw material resource in our country is vast; and therefore, the price is low and a very important significance is provided for environmental protection of our country.

The invention relates to an antistatic protective film. The antistatic protective film comprises a polyester film and antistatic coating which coats the polyester film, wherein the antistatic coatingcomprises the following components in parts by weight: 30-60 parts of acrylate resin, 1-5 parts of an antistatic agent, 0.3-3.0 parts of a curing agent, 1-2 parts of a leveling agent and 100-150 partsof a solvent. An organosiloxane monomer and a fluorine-containing acrylic monomer are directly introduced into a main chain, silicon-oxygen chain segments are formed during polymerization, and fluorine-containing chain segments can form shielding protection for the main chain and internal molecules, so that the stability of polymer molecules is improved; the cohesive force of the polymer molecules is increased after crosslinking of the acrylate resin, and the three-dimensional network structure of the antistatic coating is compact and water molecules difficultly penetrate therein, so that theweather resistance of the antistatic coating is improved; after the antistatic protective film provided by the invention is placed for 500 hours under high-temperature, constant-temperature and constant-humidity conditions, the antistatic coating can still maintain a good antistatic property.

The invention discloses a preparation method for a corn stalk/recycling waste plastic pencil. The preparation method for the corn stalk/recycling waste plastic pencil is characterized by comprising the following steps of: screening sands, pebbles and metallic sold impurities out of waste plastics, and grinding; airing corn stalks, drying, smashing and sieving; mixing the dried corn stalk whole powder and platy waste plastic crushed materials at a high speed, spraying an isocyanate adhesive, stirring and blending; and filling the blended materials subjected to adhesive spraying into a pencil mould press, hot-pressing, feeding a pencil core, cold-pressing, and painting on the outer surface for decoration. The pencil prepared by the method has natural appearance similar to that of wood; a pencil holder has high combination fastness; and the corn stalks and the waste plastics are used for replacing the wood, and raw material resources in China are abundant and has low prices, so that the preparation method has extremely important significance for environment protection in China.

The invention discloses an antibacterial material for pediatric pneumonia protection and a manufacturing method thereof. Aminated porous silicon dioxide nanoparticles are prepared and modified by silver ions, the silver-loaded porous silicon dioxide nanoparticles are embedded in quaternized modified cellulose acetate, and the antibacterial material for pediatric pneumonia protection is manufactured through an electrostatic spinning technology. In this way, abundant amino groups in the aminated porous silicon dioxide nanoparticles can be used as the active sites, and tight complexing of the silver ions is realized; and by utilizing a large amount of quaternary ammonium groups grafted on the cellulose acetate and the nano silver, the release rate of silver is reduced on the basis of ensuringthe antibacterial effect, so that the prepared antibacterial material has excellent antibacterial performance and safe and long-acting antibacterial effect. The manufacturing method of the antibacterial material for the pediatric pneumonia protection provided by the invention is easy to operate, high in controllability, capable of meeting the requirements of practical application and relatively high in application value.

The invention discloses film-coated radiation-cured bright abrasive paper and a preparation method of the film-coated radiation-cured bright abrasive paper. The paper comprises a paper base material,an adhesive layer, an evaporation layer, a frosted layer, a film layer and a surface coating, wherein the frosted layer is prepared from a frosted coating added with organic frosted particles; the frosted coating is prepared from the following components in parts by weight: 20-70 parts of a prepolymer, 20-70 parts of an active diluent, 1.0-20.0 parts of organic frosted particles, 0-5.0 parts of aphotoinitiator and 1.0-5.0 parts of an auxiliary agent. By means of the technical scheme, the paper has bright bright crystal effect, strong visual impact effect, visual impression of frosted and gravel, smooth surface, low energy consumption, zero emission of volatile organic compounds in the technological process, and environmental protection.

The invention provides special epoxy anticorrosive antibacterial powder for valve fire protection and a preparation method thereof. The preparation method comprises the following steps: adding 50-65Kgof resin powder; 16.5 to 18.5 Kg of a curing agent; 0.8 to 1.1 Kg of a flowing water agent; 1.8 to 2.2 Kg of titanium dioxide; 18 to 22Kg of barium sulfate; 0 to 1Kg of gloss enhancer; 0.3 to 0.6 Kgof benzoin; 0.5 to 0.8 kg of wax, 0.2 to 0.35 kg of a defoaming agent, 1.35 to 1.65Kg of an accelerant, 350 to 450Kg of a pigment, 0.2 to 0.35Kg of a glass silver-loaded antibacterial agent, 0.15 to 0.25 kg of an antioxidant and 0 to 2Kg of concentrated phosphoric acid and mixing the above components at a high speed to form powder; adding 0-5Kg of lime milk saturated solution during high-speed mixing to obtain a mixture; carrying out a melting reaction at 96 +/-3 DEG C by using a screw extruder to extrude a mucilage glue-like body, rolling the mucilage glue-like body into continuous sheets with the thickness of 1-1.5 mm, cooling, rolling the sheets into fragments, grinding the fragments into powder by using a high-speed flour mill, screening, and determining the particle size to obtain theantibacterial and anticorrosive powder coating.

The invention relates to a sterilizing and virus-killing liquid containing nano short fibers and a preparation method thereof. The sterilizing and virus-killing liquid containing the nano short fiberscomprises a dispersion medium and the nano short fibers dispersed in the dispersion medium, wherein the surfaces of the nano short fibers are covered with a sterilizing and virus-killing substance and a binder, or the sterilizing and virus-killing liquid containing the nano short fibers further contains lysozyme and a dispersing agent. The preparation method comprises the steps of firstly, preparing a nanofiber membrane of which the surfaces of nanofibers are partially covered with a sterilizing and virus-killing substance and a binder by taking the sterilizing and virus-killing substance, the binder and a polymer X as raw materials, then smashing fibers in the nanofiber membrane into nano short fibers, and finally, mixing the nano short fibers with a dispersion medium, lysozyme and a dispersing agent to prepare the sterilizing and virus-killing liquid containing the nano short fibers. The method disclosed by the invention is simple, and the prepared sterilizing and virus-killing liquid containing the nano short fibers is uniform in dispersion, capable of sterilizing and killing viruses for a long time, safe, non-toxic and harmless to a human body.

The invention relates to a broad-spectrum antibacterial and antiviral textile based on double-long-chain ionic liquid structure monomer graft copolymerization, which comprises a textile and at least one organic monomer, the organic monomer is grafted and copolymerized onto the textile, the organic monomer is an organic monomer containing a double-long-chain ionic liquid structure, the organic monomer is represented by a general formula, wherein A is an organic group containing a carbon-carbon double bond, C is a cationic group of the ionic liquid, X is an organic group or an organic chain segment connecting A and C through a covalent bond, B1 and B2 are hydrophobic chain segments connected with C through covalent bonds respectively, and D is an anionic group of the ionic liquid. The invention also relates to a preparation method of the broad-spectrum antibacterial and antiviral textile. According to the broad-spectrum antibacterial and antiviral textile disclosed by the invention, functional groups with antibacterial and antiviral effects are firmly combined to the textile in a covalent bond manner, so that the broad-spectrum antibacterial and antiviral textile has excellent washing resistance and abrasion resistance and is lasting in function.

The invention discloses a selective composite coating for absorbing solar light and thermal which belongs to field of solar energy equipment, particularly, relates to a selective absorbing coating which is used on the surface of the flat-plate solar collector and is used for absorbing and utilizing solar energy. The selective composite coating for absorbing solar light and thermal is formed by compounding a plurality of layers of metal and non-metal, the selective solar energy is attached on a metal flat plate; the characteristics are as follows: the attachment sequence of the coating on the metal flat plate is as follows: a bottom layer, a titanium-oxygen-titanium absorbing layer, and a silica emitting layer, wherein, the titanium-oxygen-titanium absorbing layer is made through at least two reactive sputtering processes. The invention provides a selective absorbing film with excellent selective absorption characteristic of solar energy and firm film, which is provided with high binding strength, good weatherability, as well as high production efficiency in production.