1210results about How to "Weather resistant" patented technology

An automated banking machine includes a chest portion (14). Transaction function devices such as an input device (18) and a display screen (24) are supported on the chest portion. A generally one-piece polymer body (28) is operatively engaged relative to the chest portion and extends in generally surrounding relation of the input device and display screen. The body includes at least one opening (30) such that the display screen is visible and the input device is accessible through the body.

The invention relates to a synthetic material, in particular to a halogen-free flame retardant high impact polystyrene blend and a preparation method thereof. The high impact polystyrene blend comprises high impact polystyrene resin with the mass percent of 35-75%, an inorganic flame retardant with the mass percent of 7-45%, an intumescent flame retardant with the mass percent of 5-20%, a flame retardant synergist with the mass percent of 1-5%, a toughening agent with the mass percent of 10-20%, a coupling agent with the mass percent of 0.5-2.0%, a lubricant with the mass percent of 0.5-3.0% and an antioxidant with the mass percent of 0.2-3.0%. The halogen-free flame retardant high impact polystyrene blend is produced by high-speed premixing and extrusion prilling, and has the advantages of environmental protection, flame retardation, low smoke, weather resistance, good thermal stability and mechanical property, easy machine shaping, etc.

The invention relates to a building material, and in particular relates to an exterior wall color surface decoration mortar and a preparation method thereof. The exterior wall color surface decoration mortar comprises the following raw materials by weight: 20%-30% of white cement, 50%-60% of quartz sand, 0.1%-0.5% of chopped fiber, 10%-20% of heavy calcium carbonate, 0.2%-1% of latex powder, 0.3%-0.5% of cellulose ether, 1%-5% of an inorganic pigment, 0.2%-0.4% of a water repellent, 5%-10% of coal powder ash, 0.1%-0.15% of a defoaming agent, 1%-3% of metakaolin, 0.2%-0.5% of a thixotropic lubricant and 1%-2% of a water reducing agent. The exterior wall color surface decoration mortar has the advantages of crack resistance, weather resistance, good ultraviolet resistance, permanent and uniform color, good whiskering resistance, and the like, can be well combined with various inorganic base layer materials, is good in coating density, and can be widely used in the building fields such as exterior wall decoration and the like.

The invention discloses an outdoor electric-insulation modified epoxy resin composition which comprises an epoxy resin, a curing agent, a curing accelerator and an inorganic filler. The outdoor electric-insulation modified epoxy resin composition has the advantages of high weather resistance, favorable hydrophobicity, high volume resistivity, high tracking resistance, high arc resistance, low thermal expansivity and the like, and can be used for manufacturing suspension insulators for alternating current transmission lines as well as umbrella skirts of cross arms and other outdoor insulation parts. Compared with the silicon rubber umbrella skirt, the umbrella skirt prepared from the composition can prevent birds from damage, resist line walking trampling, avoid shipping damage and the like.

A composition that is configured for use in creating a film. The composition includes a vinyl acetate containing polymer, such as a vinyl acetate ethylene (VAE) copolymer, and at least one additive that is a pigment, a surfactant, a dispersant, a wetting agent, a plasticizer, a defoamer, a coupling agent, a solvent, a UV absorber, a fire retardant, or a light stabilizer.

An organosiloxane block copolymer includes 65 to 90 mol % of diorganosiloxane units having the formula R¹₂SiO_2/2 (I). These diorganosiloxane units are arranged in linear blocks which have an average of from 10 to 400 diorganosiloxane units per linear block. The organosiloxane block copolymer also includes 10 to 35 mol % of siloxane units that have the average formula R²_x(OR³)_ySiO_(4-x-y)/2 (II). The siloxane units are arranged in nonlinear blocks having at least 2 siloxane units per nonlinear block wherein 0.5≦x≦1.5 and 0≦y≦1. In addition, each R¹ is independently a C₁ to C₁₀ hydrocarbyl, each R² is independently an aryl or C₄ to C₁₀ hydrocarbyl, at least 50 mol % of R² are aryl, and each R³ is independently R¹ or H. Moreover, the organosiloxane block copolymer has a light transmittance of at least 95%.

The present invention is composite polyacrylate emulsion for pressure sensitive adhesive and its preparation process and application, and relates to polyacrylate based adhesive. The composite emulsion is one core-shell structure with silane cross-linking agent surface modified nanometer silica as the core and the copolymer of acrylate and acrylic acid as the shell, and has solid content of 30-40 %, viscosity of 1-6 mPa.s, composite emulsion particle size of 250-700 nm and particle size dispersing index of 0.005-0.15. The composite polyacrylate emulsion is prepared through preparing nanometer silica alcohol sol, surface modification of nanometer silica and preparing nanometer silica-polyacrylate composite emulsion. The composite polyacrylate emulsion coating is dried to obtain the pressure sensitive adhesive with high initial adhering performance and cohesive property.

The invention relates to a manufacturing method of a hot bent 3D (Three Dimensional) glass white sheet. The manufacturing method comprises the following steps: (1) cutting a material: cutting a glass white sheet material into a plurality of small glass white sheets with proper sizes; (2) finely engraving: putting the small glass white sheets into a CNC (Computer Numerical Control) fine engraving machine, and punching and grinding edges; (3) cleaning: carrying out cleaning treatment on the glass white sheet by utilizing a glass cleaning machine; (4) carrying out ultrasonic treatment: washing surface residual waste dreg on the surface of the glass white sheet by utilizing an ultrasonic washing machine; (5) hot bending: putting the glass white sheet into a hot bending mold and hotly bending, machining and molding the glass white sheet into a 3D curve surface; (6) tempering: putting the hotly bent glass white sheet into a tempering frame; conveying the tempering frame into a tempering furnace and raising the temperature to 380 DEG C-420 DEG C, wherein the heating time is 4h-8h and the hardness reaches 7H; (7) carrying out plasma spraying: putting the glass white sheet into a fingerprint oil spraying machine and spraying fingerprint oil on a surface through plasmas; baking at a temperature of 140 DEG C-160 DEG C for 25-30 minutes until the fingerprint oil is dried; (8) fitting: fitting release films on upper and lower surfaces of the glass white sheet; and (9) packaging.

The invention provides a method for applying a metal wire-imitated coating film on the surface of engineering plastics, and relates to a surface treatment method of the engineering plastics. The method for applying the metal wire-imitated coating film on the surface of engineering plastics can improve the function and the quality of a plastic metalized product, can simplify the technology, can reduce the production cost, and is water-saving and environment-friendly without needing any water liquid in the whole technological process. The method comprises the steps of adding dye into plastic master batch, and coloring; cleaning and activating a plastic blank in a drying way; spraying a color coat onto the plastic blank; performing the wire drawing to a work piece so as to obtain the surface with wire drawing veins; cleaning and activating the work piece in a drying way; and spraying finishing paint to the work piece with the wire drawing veins so as to apply the metal wire-imitated coating film on the surface of the engineering plastics.

The invention provides an acrylic acid-epoxy ester hybrid resin. The acrylic acid-epoxy ester hybrid resin is prepared by reacting an epoxy resin and aliphatic acid under the action of a catalyst so as to prepare epoxy ester and then adding acrylic monomers and an initiator under certain conditions. A self-drying type antirust coating can be prepared with the acrylic acid-epoxy ester hybrid resin provided by the invention as a main film forming substance; a dried anticorrosive coating can also be prepared, especially coatings for curtain spraying sliver-coated mirrors, color films and aluminum mirrors; the coatings can meet coating process requirements of a wide-curtain spraying and coating production line with a maximum length of 3 m and are completely dried when baked at a temperature of 130 to 150 DEG C for 5 to 3 min, a film obtained after complete drying has excellent anticorrosion performance, can resist CASS, dampness, dryness and water with a temperature of 60 DEG C for more than 240 h, satisfy requirements of edging and texturing process of a downstream client and do not suffer from edge blackening and corrosion of clad layers.

The invention relates to a method for making hydrogen-containing silicone oil, in particular to a method for making methyl phenyl hydrogen-containing silicone oil for the encapsulation of LEDs. The method is characterized in that the methyl-phenyl cyclic siloxane (Dn<Me, Ph>), the tetramethyl tetraethyl cyclic tetra-siloxane (D4<Me, Et>) and hydrocyclotetrasiloxane (D4<H>) are taken as monomers; under the protection of N2, right amount of an end capping agent is added into the monomer mixture to be copolymerized under the action of a catalyst, after the polymerization, the catalyst is filtered and recycled, the low molecular compound of the obtained clear solution is removed in decompression and high temperature conditions, the clear solution without low molecular compound is cooled to the room temperature, and the target product is obtained. The method has the advantages of available raw materials, low cost, moderate conditions, simple technique, simple operation, environmental protection and convenient industrialization. The product made by the method can be widely applied to the enterprises which manufacture and use the LEDs, etc.

The invention relates to an elastic fiber fabric, in particular to an elastic fiber fabric and a preparation method thereof. Warps and wefts are respectively 150D or75D PTS elastic yarns. The elastic fiber fabric is prepared through the steps of winding, twisting, sectional warping, healding, weaving, blank inspection, unrolling and flattening, pre-shrinking treatment, presetting, dyeing, reduction clearing and finishing. The elastic fiber fabric and a preparation method thereof have the advantages as follows: the structure is simple, the chemical fiber differentiation is promoted, the added value is increased, the preparation steps are scientific and reasonable and conform to the basic state policy of energy conservation and emission reduction, and the fabric feels like nylon, has a bright and pure color, is far lower than spandex in price and is a preferred garment material.

The invention discloses a dendritic organic-inorganic hybrid water-borne nano polyurethane-epoxy anticorrosive coating and a preparation method thereof. Compositions of the coating mainly comprise dendritic organic-inorganic hybrid water-borne nano polyurethane-epoxy emulsion, anticorrosive pigment and filler, pigment dispersing agent, a film forming aid, a water-based additive, a cross-linking curing agent and deionized water, wherein the dendritic organic-inorganic hybrid water-borne nano polyurethane-epoxy emulsion is prepared by the following steps: prepolymerizing a polyurethane hydrophilic branch; preparing a dendritic polyurethane intermediate product by adopting hyperbranched synthesis technology; inoculating organic-inorganic hybrid into a nano material by adopting a in-situ polymerization; and simultaneously grafting epoxy resin with hydroxyl; and the prepared emulsion is compounded with the anticorrosive pigment and filler and the like to prepare the anticorrosive coating. The anticorrosive coating radically solves the VOC pollution problem of solvent-type anticorrosive coating, and simultaneously solves a series of problems such as poor roughness, weatherability, ageing resistance, alkali resistance and solvent resistance of the conventional water-borne anticorrosive coating.

The invention discloses UV-curable elastic polyurethane acrylate emulsion and a synthesis method thereof. The synthesis method of the UV-curable elastic polyurethane acrylate emulsion comprises the following steps: carrying out reaction on polyester glycol or polyether glycol, carboxylic acid-containing glycol and diisocyanate to generate a prepolymer, adding an optimized micromolecular chain extender for carrying out chain extension, then adding hydroxy-containing acrylate for carrying out blocking reaction, diluting by virtue of an organic solvent, neutralizing and salifying by adopting organic amine, finally adding deionized water for carrying out hydration, and adding a photoinitiator to obtain the UV-curable elastic polyurethane acrylate emulsion. The UV-curable elastic polyurethane acrylate emulsion is polyurethane blocked by acrylate, and a molecular chain of the UV-curable elastic polyurethane acrylate emulsion is provided with hydrophilic negative ions and double bonds, so that the UV-curable elastic polyurethane acrylate emulsion has self-emulsifying property and photocuring activity; and a cured film formed by carrying out photocuring on the synthesized elastic polyurethane acrylate emulsion has excellent mechanical properties, tensile strength is 21MPa, and elongation is 350%, so that the elastic polyurethane acrylate emulsion can serve as matrix resin of water-based ink and waterborne UV-curable elastic paint.

The invention discloses a method for preparing a super-hydrophobic coating with a nanocrystalline cellulose/silicon dioxide (NCC/SiO2) composite template process. The method comprises the following steps: (1) treating microcrystalline cellulose (MCC) with 56% sulfuric acid; (2) performing centrifugal washing; (3) replacing water in an NCC suspension solution with ethanol; (4) grinding for later use; and (5) freezing a sample to subzero 30 DEG C and performing vacuum freeze-drying. The method has the advantages that stearic acid is taken as a modifier and can produce a dehydration reaction with surface -OH of SiO2/NCC, and stearic acid further introduces hydrophobic -CH3 groups, so that the surface energy of SiO2/NCC is reduced; and an NCC and SiO2 compound has not only the properties of a biopolymer material but also the properties of an inorganic material such as weather resistance, hardness and the like, can be used for modifying indoor and outdoor coatings, and can play a role in aspects of building floor cleaning, furniture pollution prevention and the like.

The invention discloses a method for preparing an organic substance, in particular to a method for preparing methyl phenyl cyclosiloxane for LED packaging. The method takes methyl phenyl cyclic siloxane (Dn<Me, Ph>, n is equal to 3 and 4) and tetramethyl tetrahydric cyclotetrasiloxane (D4<H>) as monomers; under the protection of N2, an end-capping agent is added into the cyclosiloxane monomer which is subjected to pressure reduction and water removal to copolymerize under the action of a catalyst, then the filtration is performed to recover the catalyst, and the a low molecular compound in clear solution is removed under the condition of pressure reduction and high temperature and then is cooled to room temperature to produce a target product. The method has the advantages of easily-obtained raw materials, low cost, mild conditions, simple process, simple and convenient operation, no pollution, and easiness for industrialization. A product prepared by the method has good effect in the packaging process of LEDs.

The invention relates to a preparation method of an anti-reflection glass substrate. The preparation method comprises the following steps: a, preparing an anti-reflection sol, namely, acidizing silica sol, adding orthosilicate to react with deionized water to form sol, then adding an organic solvent, stirring, sealing and ageing; adding a coalescing agent in the aged sol and controlling a dry chemical additive, and stirring to obtain the anti-reflection sol; b, coating, namely, applying the anti-reflection sol in the step a on the surface of a glass substrate to form a glass substrate with an anti-reflection coating; c, tempering, namely, tempering the glass substrate prepared by the step b to form an anti-reflection film layer; and d, spreading an anti-fouling solution, namely, applying the anti-fouling solution above the film layer of the glass substrate treated in the step c to form an anti-fouling layer. The invention further relates to an anti-reflection glass substrate prepared by adopting the method disclosed by the invention, and an application of the anti-reflection glass substrate.

The invention relates to the technical fields of color master batches and preparing technologies thereof, in particular to a preparing technology for color master batches, and particularly discloses a preparing technology for color master batches for high-speed spinning fibers. The preparing technology includes the steps of carrier grinding, coloring material grinding, matched material grinding, assistant grinding, mixed grinding, high-speed grinding, extrusion prilling and drying. The color master batches prepared with the technology can be easily mixed with PET product plastic, and the even coloring effect can be achieved. Dispersibility, coloring strength and covering power are improved, weather resistance, acid resistance, heat resistance and cold resistance are achieved, the chemical stability of pigment is kept, and the color master batches are more environmentally friendly and healthier in the use process.