60results about How to "Low surface treatment requirements" patented technology

A heat insulating reflecting anticorrosive paint, in a coordinated system composed of bottom, surface and middle layer paints coated on surface of concrete or metal, is suitable for sea climate and chemical engineering air severe atmosphere, which breaks convention of making the heat reflecting surface paint in white in prior market. Surface paints in present coordinated system is added with dye infrared transparent block powder with special function or gray, yellow and brown series made of titanium yellow powder so that the color of paints is versatile, which enlarges use scale. The whole paint system has excellent heat insulating, solar heat reflecting property by rational match and good heavy-duty anticorrosive property as well as excellent weather resistance. Thickness of total dry film does not exceed 250microns. Heat reflecting effect of surface paint in various colors is similar to that of white paint which has greater reflectivity and insulating effect. Compared with a tank coating aluminum powder chlorinated rubber solvent, the tank coating the paint has inner temperature 15 DEG.. C lower, surface temperature 23 DEG.. C.

The invention discloses an electrolyte and technology for preparing a ceramic coating formed by plasma micro-arc oxidation on a zirconium alloy surface. The technology comprises the following steps: (1) preparing the electrolyte; (2) treating the zirconium alloy surface; and (3) carrying out the micro-arc oxidation technology. The invention has the advantages that the electrolyte is water solution of various compounds, can provide a micro-arc discharge center, and has proper acidity and alkalinity, good ionic conductivity and chemical stability; the solutes of the electrolyte have wide source and low price; the treatment of the zirconium alloy surface has low requirement, and the micro-arc oxidation technology is simple and convenient in control; the ceramic coating formed by micro-arc oxidization has larger thickness, and by adjusting the formula of the electrolyte and the conditions of the micro-arc oxidation technology, the thickness of the ceramic coating can be controlled in a range of 30-80 micrometers; and the ceramic coating has good wear resistance and corrosion resistance.

The invention discloses a cashew phenolic aldehyde amide epoxy hardener for four-season-general type anticorrosive paint and a preparation method of the cashew phenolic aldehyde amide epoxy hardener. The cashew phenolic aldehyde amide epoxy hardener is composed of, by weight, one part of diethylenetriamine, 2.5-3 parts of dimer acids or fat single acids, 2.8-3.2 parts of anacardol, one part of the diethylenetriamine, and 0.9-1.2 parts of 96%-purity paraformaldehyde. Raw material composition, and the best matching and the feeding order of each material are optimized through a large number of experiments, and each component matching is scientific and reasonable. The method of mannich addition after amidation is utilized, the whole process is strong in operability, cost is low, production periods are short, productivity is high, the prepared cashew phenolic aldehyde amide epoxy hardener can be general in four seasons, drying is rapid, operation periods are short, anti-corrosion performance is good, and water-proof performance is excellent. The cashew phenolic aldehyde amide epoxy hardener can be widely used in the fields of pipe and storage tank storage corrosion prevention, adhesion agents, metallic top coats, chip heavy corrosion prevention and the like.

The invention relates to a solvent-free epoxy rust confining coating capable of coating in a wet and rust environment. The solvent-free epoxy rust confining coating consists of two components A and B; the weight of the component A is 1.5 to 2.5 times that of the component B; in percentage by weight, the component A is prepared from 50 to 90 percent of main film forming resin, 20 to 40 percent of first reactive diluent, 1 to 3 percent of wetting leveling resin and 0.2 to 1.0 percent of solvent-free defoaming agent; in percentage by weight, the component B is prepared from 60 to 90 percent of curing agent, 2 to 10 percent of modifier and 5 to 15 percent of second reactive diluent. The main film forming resin is bisphenol F-type epoxy resin, an active agent is hyperbranched polyether-polyester resin terminated by phenolic hydroxy and carboxyl, the curing agent is mannich amide, and the modifier is ketimine. The rust confining primer disclosed by the invention has a low requirement for surface processing, can be constructed on a wet surface, is high in stability of a rusted position, and is excellent in long-acting protection performance on an integral object.

The invention discloses a flame-retardance-type multi-layer wrapping anticorrosion system. The system comprises anticorrosion paste, a flame-retardance-type anticorrosion band, an oil separation basecoating, a flame-retardance-type nonmetal protection cover and a dirt-adhesive-resistance surface coating along the metal structure surface towards outside in sequence. The flame-retardance-type multi-layer wrapping anticorrosion system has excellent construction tolerance and adaptability, a long-acting and lasting anticorrosion effect, flame retardance, excellent dirt-adhesive-resistance and weather resistance and is attractive in appearance, wide in application field and particularly suitable for steel structure connection parts, local severe-corrosion parts, facilities of splash areas in ocean and the like, the anticorrosion effect can last for above 20 years, maintenance is not needed within the anticorrosion validity period, and the system has remarkable economic benefits and wide popularization prospects.

The invention belongs to the technical field of metal anticorrosive coatings and relates to a water-based rust conversion priming paint and a preparation method. The water-based rust conversion priming paint comprises the components of, by weight, 30-60 parts of vinylidene chloride compound macromolecule emulsion, 20-40 parts of color filling slurry, 5-15 parts of 2-hydroxyl propyl-3,4,5-trihydroxybenzoic acid rust conversion agent, 0.05-0.1 part of antifoaming agent and 0.1-0.5 part of thickening agent. The rust conversion agent is good in water resistance, high in stability and excellent in matching with water-based and oil-based paints, and the workability, the conversion efficiency and the corrosion resistance are all relatively high.

The invention is applicable to the technical field of anticorrosion, and provides an anticorrosion structure and a treatment method of an outer bottom edge board of a gas chamber. A multi-layer wrapping structure is formed on a gas chamber wall, the gas chamber edge board, an asphalt mortar layer and a concrete foundation, and a cement motor apron slope (2), an anticorrosion agent (3), a first elastic polymer bottom coating (4), a first elastic polymer cement gum layer (5), a second elastic polymer cement gum layer (6), a second elastic polymer bottom coating (7), a viscoelastic body anticorrosion rubber belt (8) and an elastic polymer weather-resisting finishing coating (9) are arranged from inside to outside sequentially. The surface treatment requirement is low, and the structure has the good adhesive property with concrete, steel materials and the like, after curing, a seamless waterproof layer with a complete coating is formed, the elasticity is achieved, deformation generated by weight bearing or high temperature of the gas chamber can be absorbed well, and the effects of no cracks, non pulling off and non falling off can be achieved; and the structure is simple, easy and convenient to construct, convenient to maintain and low in cost and saves time and labor; and the good sealing performance and anticorrosion property are achieved, and the service life can reach more than 10 years.

The invention belongs to the field of metal powder coatings, and in particular relates to a metal powder coating for enhancing a flash effect. The metal powder coating for enhancing the flash effect comprises an epoxy resin particle system containing epoxy resin, a correspondingly adaptive curing agent A and flash metal pigment, and a fluorocarbon resin particle system containing fluorocarbon resin and an adaptive curing agent B. The weight part ratio of the epoxy resin particle system to the fluorocarbon resin particle system is (6-4):(4-6). According to the metal powder coating for enhancing the flash effect disclosed by the invention, thick aluminium-silver powder is successively bonded into an epoxy resin layer by using a binding process, so that the thick aluminium-silver powder is deposited in the bottom layer of a coating together with the epoxy resin layer in the curing process and cannot float in the surface layer of the coating; and a transparent fluorocarbon resin layer floating to the upper layer plays a role of protecting oxidative resistance of flash metal powder.

The invention relates to high solid labour-saving paint which can reduce VOC (volatile organic compound) discharge and has solid volume content of being 80%, belonging to the technical field of paint. The paint is composed of base material A and curing material B, wherein the curing material B contains a curing agent, a reactive diluent and a non-ionic surfactant. The paint provided by the invention can realize the solid volume content of being higher than 80%, VOC can be effectively reduced, and green and environmental development direction of the paint industry can be met. The paint disclosed by the invention realizes construction 'with rust and moisture' in heavy-duty corrosion protection of steel, and influence of the environment to the construction can be eliminated to the utmost extent.

The invention belongs to the technical field of coatings, and discloses a low-surface treatment heavy anti-corrosion coating as well as a preparation method and an application thereof. The coating is prepared from the following raw materials: a component A: first film-forming resin, second film-forming resin, an epoxy diluent, hydrocarbon resin, titanium dioxide, mineral powder, an anti-rust pigment, inorganic matter powder, a coupling agent, a pigment and an auxiliary agent; and the component B comprises a first curing agent, a second curing agent, a modifier, an accelerant and an adhesion promoter. The coating disclosed by the invention takes the bio-based resin as a main film-forming substance, has higher environmental protection performance, is low in base surface treatment requirement, can be coated in a state with water, moisture and rust, can independently form a coating, can also be compounded with weather-resistant finish paint, and is long in anti-corrosion time and good in adhesive force and salt spray resistance.

The invention provides an improved heat resistance and corrosion resistance thermal spray coating. The coating comprises, by weight, 15-20 parts of polyamide-imide resin, 5-10 parts of polyethersulfone resin, 20-30 parts of ketones solvent, 15-20 parts of viscosity modifier, 15-25 parts of aluminium paste, 0. 5-1.5 parts of triethylamine, 3-6 parts of nano-alumina, 1-3 parts of inorganic filler, 0.5-1.5 parts of leveling agent. Accordingly, the invention also provides the preparing method for the coating and the product obtained features excellent comprehensive performance, good hardness, friction resistance, flexibility, impact resistance and heat resistance. It can replace thermal spraying aluminum coating as a new protection coating, meet the corrosion requirements for salt-spray corrosion, water and oil when using cookers, and has good adhesive force with iron cookers.

The invention provides a two-component high zinc epoxy priming paint and a preparation method thereof. The two-component high zinc epoxy priming paint comprises a component A and a component B; the component A is a modified polyamide curing agent; the component B comprises 6-9wt% of epoxy resin, 0.2-0.5wt% of a modified polyamide wax thickener, 5-10wt% of an alcohol and alcohol ether ester environmentally-friendly solvent, 0.3-1wt% of a silane coupling agent and 80-88wt% of zinc powder; and the two-component high zinc epoxy priming paint is prepared by mixing the component A with the component B according to a weight ratio of the component B to the component A of 100:(2-5). The priming paint adopts the curing agent to cure, and can resist various solvents, the mass fraction of solids is greater than 90%, the zinc content in non-volatile matters reaches above 96%, a film obtained by using the priming paint has high hardness and good adhesion and can provide good protection when a coating layer is damaged, and the priming paint has the advantages of no layering or precipitation after long-term storage, convenient construction, low surface treatment requirements, and easy popularization.

The invention relates to anticorrosive paint for a die-cast aluminum heating radiator. The anticorrosive paint is composed of the following components in parts by weight: 35-55 parts of Ca-Zn-Se borophosphate, 15-25 parts of ceramic microbeads, 8.5-10 parts of betulin acid, 5-8 parts of modified phenolphthalein, 3-5 parts of iridium-acetylacetonate, 1.5-3.5 parts of acrylic acid, 0.6-1.2 parts of a wetting dispersant, 2.4-2.8 parts of tribenzyl phenol polyoxyethylene ether, 0.3-0.6 part of a thickening agent and 0.65-1.5 parts of an antifoaming agent. The anticorrosive paint disclosed by the invention has the advantages that 1, the production process is simple and reasonable, the input equipment is less, and the production cost is low; 2, the coating surface treatment requirement is low, the adsorption effect is excellent, the adhesive force is high, and the coating does not flake or discolor; 3, leveling and heat radiation effects are excellent, the heat transfer speed is high, and the heat efficiency is high; 4, the anticorrosive paint is resistant to acid, base and salt corrosion and seawater corrosion and excellent in anticorrosive effect; 5, the wear resistance and impact resistance are high.

The invention discloses a repair assembly for a corrosion-resistant layer of a buried pipeline and a construction method. The repair assembly is arranged outside a pipeline body in a covering mode, isof a layered structure and sequentially comprises an oily petrolatum primer, an oily petrolatum adhesive tape, an outer protective belt and an armored outer protective belt. The construction method comprises the steps of surface treatment of the pipe body, specifically, the pipe body is derusted through a handheld angular derusting machine, and the surface of the pipe body is washed with alcoholor acetone; b, repair construction of the corrosion-resistant layer, specifically, the oily petrolatum primer is smeared on the surface of the pipe body, and the oily petrolatum adhesive tape is manually wound on the surface of the pipe body in a wrapping mode from left to right; and c, repair construction of the outer protective layer, specifically, the outer protective belt is manually wound from left to right to fix and seal the anti-corrosion layer inside, and the armored outer protective belt is spirally wound outside the outer protective belt. According to repair assembly for the corrosion-resistant layer of the buried pipeline and the construction method, multiple oily protective layers are continuously formed on the surface of the workpiece based on the hydrophobic corrosion-resisting mechanism of oily petrolatum so that corrosive media cannot permeate into the workpiece, generation and spreading of corrosion can be rapidly prevented, and the effect is remarkable.

The invention provides a dental implant with a reducing thread. The dental implant comprises an implant body. At least one continuous thread is arranged from the root to the periphery of the neck of the implant body. The thread pitch of the thread from the root to the neck is gradually reduced, containing grooves are formed between the two side faces of adjacent thread teeth, and the opening widths of the containing grooves are smaller than the groove bottom widths. One thread is adopted, the bone bonding strength of the implant can be improved, the adhesion rate of osteoblast is improved, proliferation and differentiation of the osteoblast implant surface in the early implantation period are obviously promoted, and the planting survival rate is greatly increased.

The invention provides a machine tool body made from waste glass. The invention aims at providing a machine tool body made from waste glass, which has the advantages of being high in stability, good in anti-vibration performance, low in coefficient of thermal expansion, high in tensile strength and compressive capacity, and the like, and can utilize the waste glass as a raw material so as to realize recycling of resources and changing waste into valuable. The machine tool body is prepared from the following raw materials in parts by weight: 70-75 parts of waste glass fragments and crushed glass sand, 8-10 parts of glass powder, 7-10 parts of epoxy resin, 1.75-2.5 parts of a curing agent, 1 part of carbon fibers, 1 part of basalt fibers, 0-1 part of bismuth, 0-1 part of antimony, 8-10 parts of silica powder and 0-10 parts of alumina powder.

The invention discloses a latent active filler composition, a solvent-free high-temperature-resistant permeation-resistant liquid polymer coating material, a coating and a preparation method thereof. The latent active filler composition takes a solid epoxy resin composition EG as a main raw material and comprises the following components in percentage by mass: 60%-70% of the solid epoxy resin composition, 10%-13% of a modified phenolic curing agent, 0%-1.5% of pigments and fillers and 20.01%-26% of other aids, the latent active filler composition is added into the formula of the coating material and used as a latent active powder filler at normal temperature, and when the temperature of a coating using working condition exceeds 100 DEG C, the latent active filler begins to slowly react and crosslink and forms a multi-layer reticular three-dimensional composite structure with a liquid normal-temperature cured coating; the glass transition temperature and crosslinking density of the whole coating are greatly improved, and the purpose of high temperature resistance is achieved through latent secondary reaction. The coating material can be used for a long time in an acid-base-salt medium at the temperature of less than or equal to 130 DEG C.