48results about How to "Improve hydrophobic mobility" patented technology

The invention discloses a method for producing a bird damage resistant silicon fluoride insulated sleeve. The production method comprises the following steps: roller-milling a mixture formed by 10 to 30 percent of fluorine containing dimethyl polysiloxan, 40 to 50 percent of ethylene containing dimethyl polysiloxan, 20 to 40 percent of reinforcing filler silicon dioxide and electrical erosion resistant filler aluminum hydroxide, and 1 to 5 percent of dye in a banbury mixer at a temperature of between 70 and 120 DEG C and under a pressure of less than or equal to 0.2Mpa for 1 hour; adding 1 to 3 percent of vulcanizer in the mixture roller-milled by the banbury mixer and evenly mixing; roller-milling the mixture in a roller mixer for 1 hour, and then milling the mixture; re-milling the vulcanizer containing mixture milled by the roller mixer; rolling-extruding the mixture by an extrusion forming machine for forming; and finally, two-stage vulcanizing the mixture in a vulcanizing furnace at a temperature of 180 DEG C for 2 hours to obtain the silicon fluoride insulated sleeve, cutting the silicon fluoride insulated sleeve into certain length, and sealing the tenon by a bonding agent when the sleeve is used. The invention is a method for producing a highly insulated bird damage resistant silicon fluoride insulated sleeve.

The present invention discloses a mildew-proof formaldehyde-removing caulking agent, a base material is prepared as follows: first, white Portland cement is crushed to 300-500 mesh, the white Portland cement is added with glass beads, hydroxypropyl methyl cellulose, inorganic aluminum salt waterproofing agent, modified nano titanium dioxide, nano-zinc oxide and magnesium aluminum silicate for even stirring; an assistant material is prepared as follows: ethylene-vinyl acetate copolymer, acrylic resin, polydimethylsiloxane silicon, RTV organic silicone and a brightener are mixed and stirred evenly; an iron oxide pigment is chosen according to the caulking agent color classification, the base material is added into a high speed shear mixer, at a shear stirring state, the assistant material and the iron oxide pigment are successively added, the shear rate is 6000-8000RPM, time is 45min-90min, and the mildew-proof formaldehyde-removing caulking agent is obtained by discharging while stirring. A caulking space is cleaned up, caulking seams are sprayed with primary water for wetting, then the caulking agent and water are mixed in the mass ratio of 1: (0.4-0.6) to prepare a viscous and dense material, the viscous and dense material is filled between ceramic tiles, after the viscous and dense material is dried, the primary water is sprayed again, and the water is natural dried.

The invention discloses a processing technology of a slow-release long-acting super hydrophobic anti-pollution flashover coating. The processing technology comprises the following steps: first, preparing hydroxypropyl-terminated fluorinated polysiloxane, hydroxyl-terminated polysiloxane and hydrophobic fumed silica; second, adding the hydroxypropyl-terminated fluorinated polysiloxane and hydroxyl-terminated polysiloxane together with 107 silicone rubber, nano zinc oxide, oil amino oleate, mica powder and aluminum hydroxide into a mixer, stirring uniformly, and grinding for 3-4 times on a three-roller machine to obtain a uniform sizing material; third, adding the uniform sizing material into a kneading machine, adding the hydrophobic fumed silica, heating to 145-150 DEG C, kneading for 1-2 hours and cooling to 20-30 DEG C; and after that, adding a ketoxime crosslinking agent, dimethylamino propylamine, a silane coupling agent and an organic solvent, and stirring uniformly to obtain slow-release long-acting super hydrophobic anti-pollution flashover coating. In the coating prepared by the preparation method disclosed by the invention, the aims of slow release and pollution prevention can be achieved through the combination of the hydroxypropyl-terminated fluorinated polysiloxane and hydroxyl-terminated polysiloxane, and the hydrophobicity transfer of the coating can be remarkably improved.

A polyolefin insulator material with long-term water-repellent properties, composed of 40-55 parts of polyethylene, 30-50 parts of polypropylene, 8-20 parts of decabromodiphenylethane, 3-7 parts of trioxide The composition consists of antimony, 0.2-0.5 parts of antioxidant, 0.5-1.5 parts of silicone, 0.2-0.5 parts of light stabilizer and 1-10 parts of modified silicone oil. The modified silicone oil composition is prepared by reacting fatty acid and side-chain amino silicone oil under nitrogen protection at 80-150°C for several hours, and is used as a hydrophobic migration agent for polyolefin insulating materials. The invention is used for the polyolefin insulator sheath / sheath, which meets the requirements of the insulator on electrical insulation, flame retardancy and mechanical performance, and also endows it with long-term and effective performances such as hydrophobicity, hydrophobicity migration and antifouling.

The invention discloses a joint mixture stabilizer for glaze polished bricks. The joint mixture stabilizer is characterized by being prepared from, by mass, 2-3 parts of ethylene-vinyl acetate copolymer, 8-12 parts of glass beads, 1-1.5 parts of acrylic resin, 3-6 parts of hydroxypropyl methyl cellulose, 1-1.3 parts of inorganic aluminum salt waterproof agents, 0.5-1.5 parts of aluminum-magnesium silicate, 1.5-1.9 parts of RTV organic silica gel and 1.8-2.2 parts of acrylic acid rubber powder. The acrylic acid rubber powder, the ethylene-vinyl acetate copolymer and the acrylic resin are subjected to ultrasonic dispersion for 0.5-1 h, then the inorganic aluminum salt waterproof agents, the aluminum-magnesium silicate and the RTV organic silica gel are added and stirred at a high speed for dispersion for 1-1.5 h, finally the glass beads and the hydroxypropyl methyl cellulose are added, and the joint mixture stabilizer is obtained after the temperature is slowly reduced to the room temperature.

The invention discloses an environment-friendly additive of crack filler and a preparation method. The environment-friendly additive of the crack filler is characterized by being prepared from, by mass, 2-3 parts of ethylene-vinyl acetate copolymer, 8-12 parts of vitrified micro bubbles, 2-2.4 parts of gas phase silicon dioxide, 1-1.5 parts of acrylic resin, 3-6 parts of hydroxypropyl methyl cellulose, 1-1.3 parts of inorganic aluminum salt water-proofing agents, 0.5-1.5 parts of ferrous sulfate, 1.5-1.9 parts of RTV organic silica gel and 0.4-0.6 part of antioxygen 1076. Ultrasonic dispersion is conducted on the ethylene-vinyl acetate copolymer and the acrylic resin for 0.5-1 hour, then the gas phase silicon dioxide, the inorganic aluminum salt water-proofing agents, magnesium aluminium silicate, the antioxygen 1076 and the RTV organic silica gel are added, high-speed stirring and dispersion is conducted for 1-1.5 hours, finally the vitrified micro bubbles and the hydroxypropyl methyl cellulose are added, the mixture is slowly cooled to room temperature, and the environment-friendly additive of the crack filler is obtained.

The invention discloses a processing technology of a slow-release long-acting super hydrophobic anti-pollution flashover coating. The processing technology comprises the following steps: first, preparing hydroxypropyl-terminated fluorinated polysiloxane, hydroxyl-terminated polysiloxane and hydrophobic fumed silica; second, adding the hydroxypropyl-terminated fluorinated polysiloxane and hydroxyl-terminated polysiloxane together with 107 silicone rubber, nano zinc oxide, oil amino oleate, mica powder and aluminum hydroxide into a mixer, stirring uniformly, and grinding for 3-4 times on a three-roller machine to obtain a uniform sizing material; third, adding the uniform sizing material into a kneading machine, adding the hydrophobic fumed silica, heating to 145-150 DEG C, kneading for 1-2 hours and cooling to 20-30 DEG C; and after that, adding a ketoxime crosslinking agent, dimethylamino propylamine, a silane coupling agent and an organic solvent, and stirring uniformly to obtain slow-release long-acting super hydrophobic anti-pollution flashover coating. In the coating prepared by the preparation method disclosed by the invention, the aims of slow release and pollution prevention can be achieved through the combination of the hydroxypropyl-terminated fluorinated polysiloxane and hydroxyl-terminated polysiloxane, and the hydrophobicity transfer of the coating can be remarkably improved.

The invention belongs to the technical field of preparation of electrical insulating materials, and in particular relates to an epoxy resin insulating material and its preparation method and application. The raw materials of the epoxy resin insulating material include 92-107 parts of epoxy resin, 20-50 parts of silicone modified resin and 130-190 parts of filler, and the Si-CH in the silicone modified resin 3 The molar content is 23.33%‑47.17%. This insulating material contains a large amount of Si‑CH 3 The silicone modified resin can modify the epoxy resin, which can make the epoxy resin have better hydrophobicity and water repellency. At the same time, the silicone modified resin can also form a network crosslinked structure with the epoxy resin, improving The mechanical strength and impact strength of epoxy resin insulation materials; by adding fillers to the epoxy resin, the hydrophobicity, low-temperature brittleness and impact strength of the epoxy resin can be further improved in combination with physical filling modification technology.

The invention discloses a radioresistant joint mixture accelerant for a computer room. The radioresistant joint mixture accelerant is characterized by being prepared from, by mass, 2 parts to 3 parts of ethylene-vinyl acetate copolymers, 8 parts to 12 parts of hole-formed expanded perlite, 2 parts to 2.4 parts of organosilicon flatting agents, 1 part to 1.5 parts of acrylic resin, 3 parts to 6 parts of hydroxypropyl methyl cellulose, 1 part to 1.3 parts of inorganic aluminum salt water-proof agents, 0.5 part to 1.5 parts of magnesium aluminum silicate, 1.5 parts to 1.9 parts of RTV organic silica gel and 5 parts to 8 parts of 400-mesh barite powder. A preparing method includes the steps that the ethylene-vinyl acetate copolymer and the acrylic resin are dispersed through ultrasonic waves for 0.5 h to 1 h, then the organosilicon flatting agents, the inorganic aluminum salt water-proof agents, the magnesium aluminum silicate, the 400-mesh barite powder and the RTV organic silica gel are added, the mixture is rapidly stirred and dispersed for 1 h to 1.5 h, finally the hole-formed expanded perlite and the hydroxypropyl methyl cellulose are added, and the temperature of the mixture is slowly reduced to the indoor temperature.

The invention discloses an improved Type-1 slow-release long-acting superhydrophobic anti-pollution-flashover paint which is composed of the following raw materials in parts by weight: 35-45 parts of hydroxypropyl-terminated fluorine-containing polysiloxane, 20-30 parts of hydrogen-terminated polysiloxane, 55-65 parts of 107 silicone rubber, 20-30 parts of hydrophobic fumed silica, 3-5 parts of nano zinc oxide, 2-4 parts of amino oleate, 4-6 parts of nano calcium carbonate, 1-3 parts of ketoxime crosslinking agent, 5-10 parts of talcum powder, 1-2 parts of silane coupling agent, 1-2 parts of decabromodiphenyl oxide and 165-175 parts of organic solvent. The improved Type-1 slow-release long-acting superhydrophobic anti-pollution-flashover paint has the advantages of high mechanical properties, long service life (up to 15 years), favorable flame retardancy (Grade FV-0), favorable salt fog aging resistance and excellent pollution resistance, can still be effective in the smog pollution days, achieves the expected anti-pollution-flashover effect, and avoids the pollution flashover accident.

The invention belongs to the technical field of rubber, and proposes a super-hydrophobic electric rubber, comprising: 30-50 parts of filler, 0-10 parts of sodium polyacrylate, 60-150 parts of sodium silicate, 10-12 parts by mass. Parts of dimethyldiethoxysilane, 3-4 parts of vinyl silane coupling agent, 1-2 parts of ethyl orthosilicate, 0-3 parts of pigment, 10-15 parts of white carbon black, 35-55 parts of γ ‑Trifluoropropylmethicone, 10‑15 parts hydroterminated polysiloxane, 8‑15 parts α‑vinyl‑α, ω‑dialkoxypolydimethylsiloxane, 3 parts ‑15 parts structuring control agent, 5‑12 parts vulcanizing agent, 150‑180 parts water, 5‑8 parts silica, 3‑6 parts aluminum hydroxide, 4‑6 parts polypropylene fiber, 1‑2 parts 2 , 5‑Dimethyl‑2, 5‑di-tert-butylperoxyhexane. Through the above technical solution, the problem of insufficient hydrophobic migration of rubber in the prior art is solved.