30results about How to "Good self-drying" patented technology

The invention relates to an ultra-low VOC air-drying poly-aspartic paint for engineering machinery. The poly-aspartic paint comprises a component A and a component B, wherein the component A comprises the following raw materials: 25 to 37 parts of polyaspartic ester a, 15 to 23 parts of polyaspartic ester b, 30 to 40 parts of pigments and fillers, 3 to 10 parts of one or more additives, and 0 to 15 parts of one or more solvents; the polyaspartic ester a and the polyaspartic ester b are Bayer NH1420/NH1520, or Zhuhaifeiyang F420/F520; the mass ratio of the polyaspartic ester a to the polyaspartic ester b is (1 to 2):1; the component B comprises the following raw materials: 50 to 70 parts of HDI uretdione isocyanate, 30 to 40 parts of HDI tripolymer isocyanate, 0 to 3 parts of one or more additives, and 0 to 5 parts of one or more solvents; the mass ratio of HDI uretdione isocyanate and HDI tripolymer isocyanate is (1.5 to 2):1; the equivalence ratio of the component B to the component A, that is, -NCO of the component B to -OH of the component A, is 1.05:1. The poly-aspartic paint provided by the invention is ultra-low in VOC, fast in air drying and film formation, and excellent in coating appearance and performance, and suitable for being applied to environment-friendly one coat paint or finishing coat paint.

The invention discloses quenching oil capable of enabling an automobile plate spring to blacken automatically after quenched and a quenching method thereof. The invention belongs to the field of metal heat treatment technology. The quenching oil comprises the following components, by weight, 35-40 parts of refined base oil, 7-10 parts of cooling catalyzed composite agent, 0.4-0.7 parts of blackening composite agent, 0.3-0.5 parts of brightening agent, 0.4-0.7 parts of surface activating agent and 0.02-0.03 parts of antioxidant. The effect is best when the maximum cooling speed of the quenching oil for the plate spring is about 110-120 DEG C/s and the using temperature is 65-70 DEG C. Under the above conditions, the strength and the stiffness of the quenched plate spring are greatly improved, at the same time the effect of the automatic surface blackening can be realized and a protective film formed on the surface is strong in adhesion and good in wear-resisting property. Once more surface coating and rust preventing treatment after the heat treatment can be reduced, so that the resources can be saved, the processes can be reduced and the efficiency can be improved.

The invention discloses quenching oil dedicated to small module gears and a preparation method of quenching oil, and belongs to the technical field of metal heat treatment. The quenching oil comprises the following components in parts by mass: 35 to 40 parts of refined base oil, 2 to 3 parts of a cooling compound agent, 0.5 to 0.8 part of a blackening compound agent, 0.3 to 0.7 part of a brightening agent, 0.6 to 0.8 part of a surfactant and 0.04 to 0.06 part of an antioxidant. The quenching oil is specially developed for the small module gears of which the module is 1 mm or below, the optimal utilization temperature is 100 to 110 DEG C, the fluidity of the quenching oil is good in the temperature range, the cooling velocity for the small module gears is moderate, protective films are formed on the surfaces of the gears through automatic blackening during quenching, the secondary coating antirust treatment on the surfaces after heat treatment is reduced, the resources are saved, the procedure is reduced, and the efficiency is improved.

The invention discloses quenching oil capable of making a fastener become black by itself after quenching and an application method of the quenching oil, and belongs to the technical field of metal heat treatment. The quenching oil comprises, by mass, 35-40 parts of refined base oil, 7-10 parts of composite cooling accelerant, 0.5-0.7 part of a composite blacking agent, 0.4-0.8 part of a brightening agent, 0.5-0.8 part of a surface active agent and 0.02-0.04 part of antioxidant. The composite cooling accelerant is the mixture of polyisobutene, dimethyl naphthalene and mahogany petroleum sulfonate. The composite blacking agent is the mixture of short oil alkyd resin, a coloring agent and a wetting agent. The brightening agent is the mixture of imidazoline oleate and methyl terpene resin. The coloring agent is disperse black 9. The wetting agent is fatty alcohol-polyoxyethylene ether. The surface active agent is span-80. The optimal using temperature of the quenching oil ranges from 70 DEG C to 75 DEG C, the speed for cooling the fastener is moderate, a protection film is formed on the surface in a self-blacking manner during quenching, and efficiency is improved.

The invention discloses a bio-based epoxy resin pouring sealant. The bio-based epoxy resin pouring sealant contains multi-arm cardanol-based cyclotriphosphazene epoxy resin, and the multi-arm cardanol-based cyclotriphosphazene epoxy resin is prepared by reacting phosphonitrilic chloride trimer with cardanol and then performing epoxidation. According to the invention, cardanol and cyclotriphosphazene are organically combined through molecular design, the functionalized cardanol epoxy resin with excellent thermal stability and flame retardance is prepared, the bio-based epoxy pouring sealant with excellent comprehensive performance is prepared, and the bio-based epoxy pouring sealant has important application value.

The invention discloses plant oil-based low-halogen environment-friendly ink and a preparation method thereof. The plant oil-based low-halogen environment-friendly ink is prepared from the following raw materials: pigment particles, polyethylene wax, a binder, soybean methyl oleate, a cobalt drying agent and a dispersing agent. The printing ink disclosed by the invention is refined from pure vegetable oil, is green and environment-friendly, is suitable for various offset printing machines, is quick to fix, quick to dry, high in gloss, stable in on-machine printing and good in wear resistance, and is a product which is excellent in printing performance and wide in application and is very in line with the environment-friendly requirements of packaging and green printing in various industries; the preparation method comprises the steps of dispersing and matching, rolling and grinding and filtering and packaging. The modified short-oil alkyd resin is prepared by a double-bond copolymerization method, and the modified alkyd resin has excellent self-drying property; the self-made modified short oil alkyd resin is put into the preparation process of the connecting material through a two-step method, and the prepared connecting material endows the ink with excellent flowing and printing capabilities, so that an ink film is high in gloss and resistant to friction.

The invention discloses thermal-insulation coating and a preparation method thereof. The coating is prepared from the following components: light calcium carbonate, modified graphene, polyvinyl acetate, phenolic resin, alkyd resin, sodium tripolyphosphate, fatty alcohol polyoxyethylene ether sodium sulphate, hydroxypropyl methyl cellulose, absolute ethyl alcohol, silicon dioxide, ethyl acetate and water. The preparation method comprises the following steps: adding light calcium carbonate, polyvinyl acetate, phenolic resin and alkyd resin into absolute ethyl alcohol, and uniformly stirring and mixing to obtain mixed liquid I; then, adding sodium tripolyphosphate, fatty alcohol polyoxyethylene ether sodium sulphate and hydroxypropyl methyl cellulose into water, heating and stirring to obtain mixed liquid II; adding the modified graphene into the mixed liquid I, adding ethyl acetate, heating and refluxing under a stirring state to obtain mixed liquid III; and finally adding the mixed liquid II and silicon dioxide into the mixed liquid III, uniformly mixing, and grinding to obtain the thermal-insulation coating. The coating has excellent thermal insulation and wet resistance.

The invention discloses quenching oil capable of enabling an screw to blacken automatically after quenched and a quenching method thereof. The invention belongs to the field of metal heat treatment technology. The quenching oil comprises the following components, by weight, 35-40 parts of refined base oil, 6-10 parts of cooling catalyzed composite agent, 0.4-0.6 parts of blackening composite agent, 0.3-0.7 parts of brightening agent, 0.4-0.7 parts of surface activating agent and 0.02-0.04 parts of antioxidant. The cooling catalyzed composite agent is a mixture of dialkyl naphthalene and petroleum sulfonate; the blackening composite agent the mixture of short oil alkyd resin, colouring agent and wetting agent; the brightening agent is the mixture of imidazoline oleate and methyl terpene resin; the surface activating agent is span-80. The colouring agent is disperse black 9; the wetting agent is fatty alcohol-polyoxyethylene ether. The best using temperature of the quenching oil is between 75 DEG C and 80 DEG C. Between 75 DEG C and 80 DEG C, the cooling speed of the quenching oil for the screw is moderate, the surface can be blackened automatically and a protective film can be formed while the quenching, so that the processes can be reduced and the efficiency can be improved.

The invention provides water-based environment-friendly nail polish. The water-based environment-friendly nail polish is characterized by comprising the following raw material components in parts by weight of 60-90 parts of water-based polyurethane dispersoid, wherein the water-based polyurethane dispersoid comprises polyurethane-35, polyurethane-10, polyurethane-11 and polyurethane-2. The nail polish is an environment-friendly healthy nail polish which is good in self-drying performance, durable in appearance, capable of being integrally torn off for makeup removal and odorless. The invention also provides a preparation method of the nail polish, which is characterized by comprising the following steps of 1, mixing various water-based polyurethane dispersoid according to the formula to obtain a basic dispersion solution; 2, stirring the basic dispersion liquid, measuring and adjusting the solid content, and keeping the solid content at 40-45%; and 3, adding other raw material components into the basic dispersion solution, uniformly mixing, and testing the brushing performance and the raw material stability of the nail polish.

The invention discloses a novel flame-retardant coating, which relates to the technical field of coatings. The flame retardant coating includes the following components by weight: 15 parts of calcium carbonate, 12 parts of hydroxyethyl cellulose, 7 parts of sodium hexametaphosphate, 6 parts of anhydrous sodium sulfite, 7 parts of dehydrated sodium silicate, 12 parts of crystalline silicon 10 parts of magnesium dioxide, 12 parts of quicklime, 6 parts of quasi-spherical silica powder, 13 parts of carbon black, 4 parts of plant fragrance, 4 parts of natural antibacterial agent, 3 parts of vinyl acetate, 10 parts of sodium sulfate, 5 parts of zinc oxide 10 parts, 10 parts of zinc dihydrogen phosphate, 5 parts of additives, 12 parts of aluminum hydroxide flame retardant. The preparation method is simple, has good self-drying property, strong adhesion, convenient construction, good fire resistance and fire prevention performance, and many raw materials in it are environmentally friendly raw materials, which are relatively safe and environmentally friendly, and the raw materials are easy to obtain, and the production cost is low. It also includes natural fragrances, so that the coated furniture has a natural fragrance.

The invention discloses an emulsifiable oily medium oil solvent type alkyd resin and a preparation method thereof, and belongs to the field of alkyd resins. The product is prepared from the following components in parts by weight: acrylate modified alkyd resin, polyethylene glycol modified epoxy resin, ethylene glycol butyl ether and deionized water. According to the invention, the medium oil alkyd resin is prepared from castor oil or/and linseed oil. The yield of castor oil and linseed oil is very abundant in China, and the castor oil and linseed oil have certain affinity with the epoxy resin, so that the epoxy resin has a better emulsification effect; in addition, the acrylic acid modified alkyd resin is adopted, the defect of slow drying of the alkyd resin can be overcome by adding the acrylic acid, the alkyd resin is endowed with excellent quick-drying and self-drying performance; besides, the hydroxyl in the acrylic acid and polyethylene glycol have certain affinity, so that the resin has better emulsifying performance.

The invention discloses water-based scratch-resistant matt varnish, which comprises a main agent and a curing agent, wherein the main agent comprises water-based polyurethane, a leveling agent, an antifoaming agent, polysiloxane, a rheological agent and water, and the curing agent comprises isocyanate and methyl methacrylate. The method comprises: stirring waterborne polyurethane, a leveling agent, an antifoaming agent and polysiloxane, and then adding a rheological agent and water to obtain a main agent; and adding a diluted curing agent into the main agent to obtain the water-based scratch-resistant matt varnish. According to the invention, the water-based scratch-resistant matt varnish is prepared from water-based polyurethane, mixed ultra-high molecular weight polysiloxane, water as amain solvent and a water-dispersible isocyanate curing agent; and compared with the existing water-based scratch-resistant matt varnish, the scratch-resistant matt varnish disclosed by the invention is excellent in scratch resistance, good in adhesive force on the surfaces of most base materials and gloss oil and extremely low in the matte degree.

The invention provides a glue gas discharge subsystem of a residential flue gas emission system. The flue gas discharge subsystem of the residential flue gas emission system comprises a combined cast-in-place roof preformed hole, a combined connection sleeve and an inertia wind-proof cap. The wind-proof cap is provided with a supporting cylinder with one end located on the roof of a building, a wind-proof cylinder located on the radial outer side of the other end of the supporting cylinder and a wind-proof shield assembly arranged in the wind-proof cylinder. An air duct installation assembly is arranged at the connection position between an exhaust pipeline of the subsystem and the floor slab of the building. The installation assembly comprises a connection sleeve pipe and a connection sleeve plate, wherein the diameters of the two ends of the connection sleeve pipe are identical with the inner diameter of the floor slab preformed hole, the middle portion of the connection sleeve pipeis provided with a square outside and a circular inside, and the connection sleeve plate is provided with a square outside and an circular inside. The inner diameter of the circle of the sleeve platewhich is provided with the square outside and the circular inside is equal to the outer diameter of the connection sleeve pipe.