46results about How to "Improve pollution resistance" patented technology

The present invention includes a cooking appliance with an enamel composition. The enamel composition includes a heat resistance, chemical resistance, wear resistance, and pollution resistance, such that the cooking appliance withstands high temperature, acid or alkali and is readily cleaned.

The invention relates to a nano interior wall coating; the composition by the weight percent is as follows: 35 percent to 45 percent of film-forming material, 28 percent to 42 percent of pigment and filler, 4 percent to 7 percent of assistant, 0.6 percent to 1.2 percent of nano powdery material, 1.0 percent to 2.0 percent of water-soluble nano silica sol, and 10 percent to 30 percent of deionized water. The film-forming material can be styrene-acrylic latex or acrylic latex; the pigment and filler is one or more than one type among rutile titanium dioxide powder, calcined kaolin, heavy calcium carbonate and super-fine aluminum silicate; the assistant comprises one or more than one type among dispersant, wetting agent, foam killer, preservative, thickener, anti-freezing agent, ph regulator and film-forming assistant. The coating of the invention can continuously release negative ions under the radiation of a fluorescent lamp, and can effectively degrade the dissociative TVOC and formaldehyde content in the air; the washing resistant times reaches 20000 to 50000 times, and the manual aging resistance reaches more than 1000 hours. In addition, the coating saves the consumption of nano powdery material and reduces the production cost.

The invention relates to a compound material pole tower. A main body of the pole tower adopts a compound material; a main connecting part adopts compound material or galvanized steel; a lead cross armadopts a compound insulator; a ground lead cross arm adopts galvanized steel; a downlead cross arm adopts galvanized steel adopts galvanized steel; a grounding downlead adopts wires and bars; the upper end of the grounding downlead is fixed on the grounding wire cross arm, is led from leads at the outside of one side or two sides of the pole tower, is fixed on the downlead cross arm to lead the grounding downlead and the lead to keep fixed distance, and is grounded from the downlead cross arm along the tower body. Compared with the conventional 110kV iron tower, the compound material pole tower greatly increases phase-earth and interphase air gaps and insulating creepage distance of a tower head, greatly improves pollution flashover resistance, ice flashover resistance, windage yaw prevention and lightning-resistant level, also can compress the size of the tower head, and has the advantages of reducing the cost as well as expenses for transportation, installation and maintenance of the pole tower body and simultaneously reducing the width of a line corridor.

The invention relates to an ultrafiltration and microfiltration membrane assembly for a tubular composite membrane, relating to the filtering element for water treatment. The ultrafiltration and microfiltration membrane assembly for the tubular composite membrane comprises a tubular machine shell with the ellipse heads which are symmetrically arranged at both ends and fastened by a strap. The centers of the two ellipse heads penetrate through a perforated central tube. A drain plug is arranged in the middle section of the perforated central tube and the ellipse heads are provided with a concentrated water outlet, an original water inlet and a purified water outlet, respectively. Multilayer membranous tubes with different inner and outer diameters are arranged areally on the circumference of the perforated central tube. The shell material of the tubular membrane assembly is polyvinyl chloride (PVC) or glass steel and the inner diameter of the membranous tubes is 5-20mm while the outer diameter thereof is 10-30mm. The membranous tubes consist of a basic membrane and a surface membrane, wherein the basic membrane material is sintered by using ultrahigh molecular weight polyethylene (UHMW-PE), and the material of the surface membrane filtering layer is polyvinylidene fluoride (PVDF), polyacrylonitrile (PAN) and polyvinyl acetate (PVA). The ultrafiltration and microfiltration membrane assembly can be matched with other pipelines, valves, instruments to form an ultrafiltration and microfiltration set for membrane engineering and has the characteristics of high strength, pollution resistance, fouling resisting property, short process flow, rapid online backwash-regeneration, long service life and the like.

The invention discloses a nano oxide wrapped mica iron oxide anti-rust pigment which is a composite anti-rust pigment formed by wrapping nano oxide on mica iron oxide. The weight ratio of the nano oxide to the mica iron oxide is (1-10):100; the preparation method comprises the following steps of: slowly adding a titanyl sulfate and/or zinc sulfate solution into a mica iron oxide solution, stirring and reacting, adding calcium hydroxide and/or calcium oxide into the reaction system while stirring, so as to generate nano titanium dioxide and/or nano-zinc oxide to be wrapped on the surface of the mica iron oxide; and filtering the reaction solution and drying the filter cake so as to obtain the nano oxide wrapped mica iron oxide anti-rust pigment. The invention provides a metal anti-rust pigment with excellent property, low cost and competitive advantages when being compared with similar products in China and other countries.

The invention relates to the technical field of building materials, in particular to an integrated plate integrating the functions of heat preservation, fire prevention and decoration. The integrated plate comprises a polyurethane layer, a foam ceramic layer and a decoration layer. The polyurethane layer and the decoration layer are arranged on the back face and the front face of the foam ceramic layer respectively. The polyurethane layer is made of hard polyurethane. The decoration layer is a glaze layer. An aerogel coating layer can further be arranged between the foam ceramic layer and the decoration layer. The decoration layer can aim at protecting finishing coat or comprises a primer layer and a middle paint layer and protects a finishing coat layer or only comprises the primer layer and protects the finishing coat layer.

The invention discloses a powder decoration coating and preparation and construction methods thereof, and belongs to the technical field of coatings. The powder decoration coating comprises raw materials in parts by weight as follows: 40-70 parts of shell powder of 1,000-2,000 meshes, 10-30 parts of a powder functional material, 2-10 parts of dispersible gelatin powder and/or a silicate cross-linked substance, 1-5 parts of sepiolite short-fibers and 5-30 parts of colorful composite rock slices. The powder decoration coating is prepared from the shell powder calcinated at the temperature of 300 DEG C, the powder functional filler, the colorful composite rock slices, the powder cross-linked substance and functional additives through blending, the shell powder calcinated at the temperature of 300 DEG C is taken as a main material, and the powder decoration coating is good in breathability, anti-condensation, scrubbing-resistant, pollution-resistant, anti-bacterial, mould-proof and non-inflammable and has a green and environment-friendly inorganic system and a colorful decoration effect.

The nano wall paint consists of filming material, stuffing, pigment, nano material and assistant and is prepared through conventional paint compounding process. Specifically, the material includes filming material 20-50 wt%, pigment and stuffing 15-45 wt%, assistant 1.0-5 wt%, nano material 0.2-2.0 wt%, water soluble micrographic carrier material 1.0-3.0 wt% and water 15-50 wt%. Owing to the water soluble micrographic carrier material and the nano material of particle size of 10-40 nm, the wall paint has high antifouling, antiageing and antibiotic performance, has water resistance over 20000-45000 times, artificial ageing resistance over 1000 hr and lowered nano material use amount and thus lowered production cost.

The invention provides a stone surface crystallization UV photocurable coating, a method for preparing the same and a construction process. The stone surface crystallization UV photocurable coating comprises the following components: aliphatic polyurethane acrylate, trifunctional aliphatic polyurethane acrylate, thermoplastic acrylic resin, trimethylolpropane triacrylate, dipentaerythritol pentaacrylate, 1-hydroxy-cyclohexyl phenyl ketone, a photoinitiator, ethyl acetate, a leveling agent, a defoaming agent, butyl acetate and toluene. When the coating is used for the surface crystallization protection treatment of stones, because the photocurable technique is adopted, the film forming efficiency is 20 to 23 seconds, so that the film can be quickly formed in high efficiency, and the surface of the stones, on which the film is formed, is high in hardness, glossiness and saturation; and the coating can also improve chemicals resistant, acid resistant, alkali resistant, pollution resistant, heat resistant, ironing resistant, smoke and fire resistant, aging resistant properties and the like of the surface of the stones.

The invention discloses a water-based weather-resistant self-cleaning coating and a preparation method and application thereof. The water-based weather-resistant self-cleaning coating is prepared from the following raw materials: water, cellulose, a dispersing agent, a wetting agent, an anti-freezing agent, a coalescing agent, nano titanium dioxide, titanium dioxide, kaolin, coarse whiting, water-based fluorocarbon emulsion resin, a defoaming agent, a flatting agent and a thickening agent. According to the water-based weather-resistant self-cleaning coating provided by the invention, through mutual cooperation of the raw materials, not only can the self-cleaning effect be achieved, but also the anti-sagging property and anti-skinning property of a coating film as well as the characteristics of temperature change resistance, corrosion resistance, pollution resistance and the like of a coating layer can be improved.

The invention discloses liquid silicone rubber for a ceramic insulator coating and a preparation method thereof. The liquid silicone rubber is prepared from the following raw materials in parts by weight: 30-70 parts of liquid MQ silicon resin, 5-40 parts of precipitated white carbon black, 10-50 parts of magnesium carbonate, 1-10 parts of hydrogen-containing silicone oil, 0.1-5 parts of an alkoxy silane coupling agent, 0.1-0.3 parts of a platinum inhibitor and 0.1-0.3 parts of a platinum catalyst. By introducing the MQ silicon resin, the mechanical strength and high temperature resistance of the liquid silicone rubber are improved, and the flame retardance of the liquid silicone rubber is remarkably improved through the synergistic effect of the MQ silicon resin and the flame-retardant filler, so that the pollution flashover resistance and tracking resistance of the liquid silicone rubber applied to a ceramic insulator coating are improved. The liquid silicone rubber disclosed by the invention has excellent tracking resistance and flame retardance, has good adhesiveness, hydrophobicity and aging resistance, and can meet the requirements of a ceramic insulator on the durability and tracking resistance of a silicone rubber coating.

The invention relates to artificial stone, which is prepared from the following components in parts by weight: 80 to 93 parts of white cement, 12 to 18 parts of unsaturated resin, 24 to 28 parts of silicon powder, 0.08 to 0.8 part of curing agent, 11 to 22 parts of metakaolin, 0.4 to 0.96 part of accelerant, 34 to 45 parts of silica fume, 40 to 46 parts of powdery filler, 41 to 53 parts of water,60 to 66 parts of natural stone particles, 6 to 9 parts of water reducing agent, 23 to 43 parts of hollow glass microbeads, 3 to 5 parts of pigments, and 2 to 3 parts of dye. The artificial stone provided by the invention has the advantages that due to the adding of the larger-particle natural stone, the usage of a lot of unsaturated resin is reduced, so that the product cost is reduced; the natural stone has a lot of natural colors, so that the usage of part of pigment and the labor cost caused by manufacturing artificial stone color particles are saved for color matching. The artificial stone provided by the invention is simple to process and low in cost.

The invention relates to stone surface crystallization ultraviolet photocurable coating. The stone surface crystallization ultraviolet photocurable coating is prepared from the following raw materials in parts by weight: 30 to 35 parts of bisphenol A epoxy acrylate, 30 to 35 parts of polyester acrylate, 12 to 15 parts of trimethylolpropane triacrylate, 5 to 7 parts of dipentaerythritol hexaacrylate, 4 to 5 parts of 1-hydroxyl cyclohexyl phenyl ketone, 10 to 12 parts of ethyl acetate, 4 to 5 parts of cycloalkane dicarboxylic acid monoester, 2 to 3 parts of styrene, 1 to 2 parts of p-phenylene diamine, 1 to 2 parts of antioxidant 1010, 3 to 4 parts of methyl acrylate, 1 to 2 parts of crosslinking agent TAIC and 4 to 5 parts of dispersing aid. The coating provided by the invention is applied to stone surface crystallization treatment, so that a film can be formed quickly, and the stone surface after film formation has high hardness, high glossiness and good fullness. The coating also can improve the chemical resistance, the acid resistance, the alkali resistance, the pollution resistance, the heat resistance, the scalding resistance, the fireworks resistance, the ageing resistance and the like of the stone surface. The dispersing aid is used, so that the leveling property, the film-forming property and the caking property are improved and the process is simple and convenient.

The invention provides an in-situ synthesis method for regulating and controlling surface and interface pores and properties of a carbon membrane, which comprises four steps of carbon membrane pretreatment, introduction of a pre-preparation, in-situ synthesis and post-treatment: carbon membrane pretreatment: drying the carbon membrane to constant weight at a constant temperature, and then degassing the carbon membrane to obtain a carbon membrane suspension; preparing a pre-preparation: selecting one or more of dopamine, polyvinyl alcohol, ferric trichloride, tannic acid, hydrochloric acid, water, tromethamine, glutaraldehyde, sodium hydroxide and ferric chloride hexahydrate as the pre-preparation, preparing the pre-preparation into a solution, and performing one of a complete impregnation method, a surface impregnation method and a vacuum-assisted impregnation method to prepare the pre-preparation; the pre-preparation is introduced into the surface or pores of the pre-treated carbon membrane, so that the problems of poor pore structure and surface properties of the carbon membrane and poor separation performance of the carbon membrane on oily wastewater purification treatment when the existing carbon membrane is used for separating an oil-water mixture can be solved.