38results about How to "Suitable for large area construction" patented technology

The invention belongs to the technical field of a new chemical material, and in particular relates to a high-durability super-hydrophobic self-cleaning coating material and a preparation method thereof. The coating material of the invention is prepared by curing and drying nanoparticles with photo-catalytic activity, a low-surface-free-energy polymer and a cross-linking agent at the room temperature, wherein the low-surface-free-energy polymer consists of one or more of polysiloxane fluoride, dimethyl silicone polymer and polyphenylene methyl siloxane, which contain active groups, such as hydroxyl alkoxy group, carbon-carbon double bond, silanol group, siloxy group, and the like; the cross-linking agent is hydrogen-containing silicone oil or aminosilane; and the mass content of the photo-catalytic nanoparticles in the coating ranges from 10 to 60 percent. The coating is formed into a micro-nanostructure by nanoparticle self-organization; a super-hydrophobic self-cleaning coating with lotus effect is prepared from the coating and a cross-linked filming matrix with low surface energy; the persistence of a lotus-shaped super-hydrophobic characteristic of the coating is realized by using the photo-catalytic decomposition characteristic of an organic pollutant for the nanoparticles; and thus the material is suitable for large-area construction and has high weathering resistance andprominent self-cleaning characteristic.

The invention belongs to the technical field of new chemical materials and relates to a photocatalytic type self-repairing super-hydrophobic coating and a preparation method thereof. The coating comprises the following materials: 10-50 percent of thermoplastic film-forming resin, 5-20 percent of low-surface energy material, 1-10 percent of photocatalytic active nano particles, 5-40 percent of hydrophobicity nano particles and 20-60 percent of organic solvent. The preparation method comprises the following steps: firstly, allowing nano particles to be subjected to fluorosilane modification to obtain the hydrophobicity nano particles; then, weighing all components of the coating for mixing, and performing high-speed shearing dispersing to obtain the coating provided by the invention. The coating can be applied to the surfaces of base materials such as steel material, aluminium alloy, plastic and composite in the way of brushing, spraying and the like, and a lotus leaf type super-hydrophobic coating can be obtained through drying. The coating can realize super-hydrophobic self-repairing through UV irradiation after being polluted by organic pollutant or subjected to mechanical wear by external forces, so that the coating has extremely good super-hydrophobic performance and perdurability, and the long-term using performance under the outdoor environments is also ensured.

The invention discloses wear-resistant cement mortar, a wear-resistant floor and a preparation method thereof, wherein the wear-resistant cement mortar is composed by mixing the following components according to a normal method, by weight, 22-40 parts of ordinary portland cement, 1.9-7.5 parts of slag powder, 1-5 parts of special cement, 1-5 parts of metakaolin, 1-5 parts of gypsum, 40-60 parts of quartz sand, 1-3 parts of calcium silicate seed crystal; 1-7 parts of nano alumina powder and 0.1-0.3 part of a water reducing agent, wherein the special cement is sulphoaluminate cement or aluminate cement. The wear-resistant cement mortar has the advantages of excellent hardness and strength. The wear-resistant floor prepared by the wear-resistant cement mortar has no micro-cracks on the surface after being grinded; good smoothness and various fresh brilliant colors can be obtained; color ordonnance can be realized on the surface with extremely high compactness; and aesthetic patterns with paint effects can be obtained.

The invention discloses a floor coating and a preparation method and application thereof, wherein the floor coating of the invention consists of rubber compound, aggregate, and overlay maintenance agent; the method for preparing the floor coating includes the following steps: (1) preparation of rubber compound and overlay maintenance agent: each component material is added into a stirred tank according to the mentioned certain proportion and stirred for about 10min followed by filter and qualification to discharge; (2) preparation of aggregate: each component of raw material is added into dry-powder mixing tank according a certain proportion, and stirred for 30min, followed by qualification to discharge. The application of the floor coating of the invention includes that: the sealed base layer is firstly coated on the cement base layer by rubber compound, then the middle paint layer is coated on the sealed base layer by aggregate, after that the cover-layer is coated on the middle paint layer by overlay maintenance agent. The floor coating of the invention is a product which has high cost-performance and very good market.

The invention relates to the technical field of anticorrosive coatings, and concretely relates to a self-repairing anticorrosive coating and a preparation method thereof. The self-repairing anticorrosive coating comprises a component A and a component B. The component A comprises, by mass, 20 to 50 parts of epoxy resin, 10 to 16 parts of a solvent, 0.3 to 1.5 parts of a dispersant, 0.2 to 1.5 parts of a thixotropic agent, 38 to 56 parts of a filling material and 1.5 to 5.0 parts of corrosion inhibitor microcapsules; and the component B comprises, by mass, 70-90 parts of a curing agent and 10-30 parts of solvent. The corrosion inhibitor is loaded in an organic-inorganic hybrid carrier, and the obtained material is added into an anticorrosive coating, so the problems that compatibility between corrosion inhibitor microcapsules and a coating substrate is poor, after a corrosion inhibitor is released, a corrosion inhibitor carrier leaves channels for corrosive substances, more defects arecaused, and the mechanical strength of corrosion inhibitor particles is poor are solved, and the prepared coating is high in corrosion resistance, simple in preparation method, capable of being brushed or sprayed and suitable for large-area construction.

The invention discloses whisker reinforcement-based self-leveling cement mortar. The whisker reinforcement-based self-leveling cement mortar comprises the following components in parts by weight: 10 to 20 parts of ordinary Portland cement, 50 to 150 parts of slag powder, 3 to 20 parts of special cement, 10 to 20 parts of gypsum, 5 to 10 parts of metakaolin, 100 to 160 parts of quartz sand, 1 to 10 parts of a crystal whisker and 1 to 1.5 parts of a water-reducing agent, wherein the special cement adopts sulphoaluminate cement or aluminate cement; the gypsum adopts one of or a mixture of more than two of high-strength gypsum, fluorgypsum, desulfurized gypsum and citric acid gypsum; and the crystal whisker adopts one of or a mixture of more than two of gypsum crystal whiskers, a magnesium hydroxide crystal whisker, a magnesium oxide crystal whisker, an ettringite crystal whisker and a calcium carbonate crystal whisker. A terrace prepared from the whisker reinforcement-based self-leveling cement mortar has high surface hardness and high anti-compression and anti-bending strength, and can meet the wear-resistant requirement of most occasions.

The invention discloses a plane and facade construction method for an APF self-adhibiting waterproof roll. The unique construction process-pre-adhibiting method (border adhibiting method) is adopted; in the aspect of innovative construction method selection, dry adhibiting, wet adhibiting, border adhibiting, pre-adhibiting anti-stick methods can be adopted for construction, so that the labor strength is reduced, and the base layer requirement can be met; roll width can be selected from 1m to 2m, so that lap joint reduced, the construction is faster, and the plane and facade construction method is especially suitable for large-area construction; the plane and facade construction method is safe and environmentally friendly; construction on the APF self-adhibiting roll is cold construction, so that the plane and facade construction method is friendly to the environment, and the potential safety hazard of a construction site is eliminated.

The invention relates to the technical field of coatings, in particular to antiskid wear-resistant polyurethane deck paint and a preparation method thereof. The antiskid wear-resistant polyurethane deck paint comprises a component A and a component B, the component A comprises antiskid wear-resistant filler, and the component A further comprises a resin matrix A and a resin matrix B; wherein the resin matrix A is hydroxyl acrylic resin, and the resin matrix B is polyester polyol resin and/or polyether polyol resin; and the component B comprises an isocyanate curing agent. According to the antiskid wear-resistant polyurethane deck paint, the mechanical properties such as flexibility, impact and adhesive force of the coating are excellent, the antiskid wear-resistant performance and the corrosion-resistant and aging-resistant performance are excellent, heavy object impact and day and night temperature difference and season replacement can be borne, the service life can be effectively prolonged, and the maintenance and repair cost is reduced. The system compatibility is good, the preparation method is simple, and the method is suitable for large-area construction.

The invention discloses an overhead building outer wall maintenance device which comprises a movable base and a workbench. Movable wheels are arranged at the bottom of the movable base. A small motor is arranged above the movable base. A counterweight box is arranged on the right side of the small motor. A cantilever is arranged between the small motor and the counterbalance box. A pulley is arranged on the upper side of the cantilever. Steel pipes are arranged inside a front guardrail of the workbench at equal intervals. A hanger is arranged on the front guardrail. A rope locking unit is arranged at the top of a left side board of the workbench. A toolbox is arranged inside the left side board. A motor lifter is arranged at the top of a right side board of the workbench. Supporting wheel mounting racks are symmetrically installed on the left side board and the right side board, and every two supporting wheel mounting racks fall into a group. A tripod is arranged at the upper end of a rear guardrail of the workbench. The overhead building outer wall maintenance device is simple in structure, can achieve large-area construction and provides a safe working environment for operators, and the working height can be adjusted conveniently.

The invention discloses a photocured polysilazane coating which consists of the following components in parts by weight: 40-60 parts of vinyl branching modified silazane, 1-10 parts of a photoinitiator 1173, 5-15 parts of butyl acetate, 10-30 parts of spherical silicon powder, 0.1-1 part of a leveling agent, 0.1-1 part of a defoaming agent and 0.1-1 part of a dispersant. The invention further provides a preparation method of the photocured polysilazane coating. The photocured polysilazane coating disclosed by the invention can be cured with UV (Ultraviolet Rays), is high in curing speed and isenergy-saving and environmentally friendly, and a coating film is good in stability and excellent in thermal resistance, weather resistance and solvent resistance.

The invention discloses a construction method of terrace coating imitating the natural stone texture. The construction method comprises the specific steps that 1, the imitating stone terrace coating is sprayed on the treated ground face, natural drying is conducted, or at least one of a galling roller, a seaweed roller and a defoaming roller is adopted to make a paint film form a certain texture,and natural drying is conducted. The construction method has the advantages that design is reasonable, operation is easy, the construction efficiency is high, the simulation degree of the texture is high, materials are saved, the skill requirement on construction workers is not high, and the construction quality is good; and the construction method is especially suitable for large area construction.

The invention discloses a photocuring anti-doodling coating with a self-healing function and a preparation method and application thereof. The photocuring anti-doodling coating is mainly prepared by blending ultraviolet-curable polyurethane resin, a reactive diluent, hydrophobic modified nanoparticles, a photoinitiator and an auxiliary agent; the photocuring anti-doodling coating is prepared from the following components in parts by weight: 10 to 70 parts of UV-curable polyurethane resin, 10 to 40 parts of reactive diluent, 5 to 30 parts of modified nano particles, 0.5 to 10 parts of photoinitiator and 0.1 to 10 parts of additive. A coating layer formed after the coating is coated is good in surface uniformity and smoothness and low in surface energy, and doodling substances and dirt are difficult to permeate into the coating film; meanwhile, after the surface of the coating is physically abraded, hydrophobic substances in the coating can migrate to the surface under damp and hot conditions to automatically repair the damaged surface, so that the anti-doodling performance of the coating is recovered, and the durability of the coating used outdoors is ensured.

The invention relates to a polyaniline/dimanganese trioxide/epoxy resin ternary composite double anticorrosive coating and a preparation method thereof, and belongs to the technical field of anticorrosive coating preparation. A formula of the polyaniline/dimanganese trioxide/epoxy resin ternary composite double anticorrosive coating comprises epoxy resin, an activated diluting agent, polyaniline,a curing agent, dimanganese trioxide nanoparticles, a microorganism inhibiting and killing agent and an addition agent; and the polyaniline/dimanganese trioxide/epoxy resin ternary composite double anticorrosive coating is obtained through preparation of the dimanganese trioxide nanoparticles, preparation of the dimanganese trioxide nanoparticles coated with the microorganism inhibiting and killing agent, and compound preparation. According to the polyaniline/dimanganese trioxide/epoxy resin ternary composite double anticorrosive coating and the preparation method thereof, the preparation process is simple, the cost is low, and the polyaniline/dimanganese trioxide/epoxy resin ternary composite double anticorrosive coating is suitable for large-scale construction, and can be coated on the surfaces of different objects for application through various ways; the polyaniline/dimanganese trioxide synergistic effect can further enhance anti-corrosion performance of the coating; and slow release performance the microorganism inhibiting and killing agent in the dimanganese trioxide nanoparticles endows the coating with long-acting antimicrobial properties, and the double anticorrosive effect is achieved.

The invention discloses a construction technology for spraying a wear resistant coating. The construction technology specifically comprises the following steps of (1) pretreating surfaces of metal fittings; (2) polishing surface defects of the fittings; (3) performing material grinding on the surfaces of the fittings, so as to achieve roughness required by a coating; (4) integrally spraying special type wear resistant alloy powder on the surfaces of the fitting with a spray gun; (5) heating the metal fittings, so that the wear resistant coating is remelted; and (6) performing polishing treatment on the metal fittings with an abrasive belt. Compared with the prior art, the construction technology disclosed by the invention adopts a manner of hot spraying of the wear resistant coating, the wear resistant coating has excellent wear resistance, and the construction technology is suitable for large-scale construction and high in efficiency.