12 results about "Methyl silicone" patented technology

The invention discloses a continuous preparation technology of high-purity low-viscosity dimethicone. The continuous preparation technology comprises the following steps that 1, a mixture of methylcyclosiloxane and an end-capping reagent is orderly subjected to liquid nitrogen freezing dehydration and deep dehydration until the water content of the mixture is less than 300ppb; 2, the treated mixture is subjected to adsorption filtration, nanofiltration membrane filtration and pre-heating, then is fed into a fluidized bed with a catalyst and undergoes a catalytic reaction; and 3, reaction products are subjected to adsorption filtration, nanofiltration membrane filtration and a low-boiling-point substance removal process so that a low-boiling-point substance is removed and the high-purity low-viscosity dimethicone is obtained. The high-purity low-viscosity dimethicone obtained by the continuous preparation technology has the advantages of low ion content, low hydroxyl content and low solid content. The continuous preparation technology has a raw material utilization rate of 100%, realizes zero discharge, is an environmentally friendly green technology and is suitable for low-viscosity dimethicone production.

The invention discloses a preparation method of a graphene aerogel epoxy resin composite fracturing proppant. The preparation method comprises the following steps: 1, dropping a certain concentrationof graphene oxide suspension in a frozen mixture of petroleum ether and methyl silicone oil to form graphene oxide droplets; 2, moving the graphene oxide droplets in a freeze dryer for freeze drying to obtain graphene oxide aerogel pellets; 3, performing high-temperature thermal reduction on the graphene oxide aerogel pellets into graphene aerogel pellets; 4, introducing the graphene aerogel pellets into an epoxy resin and curing agent mixture for vacuum compounding and then heating and curing to form the grapheme epoxy resin composite fracturing proppant; the pellet type fracturing proppant made by graphene aerogel and epoxy resin compounding has the advantages of low density and high compression strength and can significantly improve the fracturing and yield-increasing efficiencies.

The invention relates to a photocatalytic self-cleaning coating as well as a preparation method and application thereof, the photocatalytic self-cleaning coating is prepared from a photocatalytic material, a nano SiO2 film forming material, a coating regulator and a solvent, and is characterized by being prepared from the photocatalytic material, the nano SiO2 film forming material, the coating regulator and the solvent, a film layer formed by coating has photocatalytic self-cleaning, anti-reflection and anti-reflection and surface hardening functions; the coating comprises the following components in percentage by mass: 0.2%-2% of a photocatalytic material, 3%-8% of a nano SiO2 film forming material, 0.01%-0.2% of a coating regulator and 90%-95% of a solvent, the photocatalytic material is a composite material of carbon, nitrogen and phosphorus doped nano TiO2 and phosphorus doped active g-C3N4, and is formed by polymerizing and activating a mixture of carbon, nitrogen and phosphorus doped nano TiO2 gel, urea, melamine and phosphoric acid and performing ultrasonic stripping in an ethanol solvent; the nano SiO2 film forming material is acidic hydrosol of methyl silicone resin and tetraethoxysilane. The photocatalytic self-cleaning coating disclosed by the invention can prevent the surface of solar cell glass from being polluted, and the light transmittance and the surface hardness are improved.

The invention relates to a degradable capacitor plastic shell which is composed of the following components in parts by weight: 35 parts of polyvinyl alcohol resin, 15 parts of gelatin, 10 parts of methyl-silicone rubber, 5 parts of hyaluronic acid, 5 parts of tribasic lead sulfate, 5 parts of nano silicon dioxide, 5 parts of modified wood-plastic powder, 2 parts of chlorinated paraffin, 2 parts of propanediol, 2 parts of palm oil, 5 parts of carbon fiber, 5 parts of metallocene polyethylene, 2 parts of methylsilicone oil, 0.5 part of tobacco cellulose, 2 parts of plasticizer, 2 parts of oxidized polyethylene, 2 parts of dioctyl adipate, 2 parts of rare-earth light conversion agent, 2 parts of cotton fiber, 2 parts of corn starch, 2 parts of polyester rubber powder, 2 parts of butyl acetate and 2 parts of talcum powder. The method has the advantages of simple components and low cost; the finished product is degradable, has stable performance, and does not have toxicity or harm in a high-temperature environment; and meanwhile, by changing the traditional preparation technique and adding the refrigeration procedure, the product has higher safety and still has favorable stability at higher temperature.

The invention discloses non-toxic anti-crack putty.The non-toxic anti-crack putty mainly comprises, by weight, 18-24 parts of calcite powder, 35-45 parts of shell powder, 25-32 parts of perlite, 3-6 parts of hydroxypropyl methyl celluloses, 7-13 parts of starch ether, 6-10 parts of modified seaweed, 6-12 parts of calcium carbonate, 3-4 parts of ethylenediamine, 4-7 parts of formic acid, 18-23 parts of diatomaceous earth, 7-15 parts of latex powder, 6-9 parts of sodium silicate, 4-6 parts of rosin, 3-5 parts of methyl silicone oil and 22-26 parts of water.The non-toxic anti-crack putty has the advantages that good anti-crack effects can be realized by the non-toxic anti-crack putty, the non-toxic anti-crack putty is good in adhesion, water resistance and glossiness and high in strength and is non-toxic and odorless, processes for manufacturing the non-toxic anti-crack putty are simple and are convenient to implement and suitable for factory mass production, and the like.

The invention discloses concrete for a prefabricated part and a preparation method thereof, which relate to the technical field of concrete, and solve the problems that harmful substances such as acidand alkali ions are easy to permeate inwards through tiny gaps and cracks of the concrete, so that the volume of a steel bar is expanded, and the prefabricated part is damaged. The concrete for a prefabricated part comprises the following components in parts by weight: 180-200 parts of Portland cement, 170 to 180 parts of water, 720 to 760 parts of medium sand, 1020 to 1050 parts of broken stone,70 to 80 parts of fly ash, 170 to 190 parts of mineral powder, 3 to 5 parts of a water reducing agent, 2 to 3 parts of a retarder, 4 to 8 parts of an anti-permeability agent, 6 to 10 parts of methylsodium silicate, 5 to 9 parts of triethoxysilane, and 15 to 35 parts of organic silicon water-soluble resin. The concrete for the prefabricated part has excellent chemical corrosion resistance, has agood protection effect on steel bars in the prefabricated part, and is good in overall application effect.

The invention belongs to the technical field of release films, and particularly relates to a preparation method of a PET release film. The preparation method comprises the following steps: (1) preparation of an anti-scratch agent: a, preparing amino-modified silicon dioxide nanoparticles; b, preparing a maleic anhydride polyacrylate precipitate; and c, carrying out a grafting amidation reaction on the amino-modified silicon dioxide nanoparticles and the maleic anhydride polyacrylate precipitate; (2) preparation of a release agent: taking organic silicon resin, polyvinyl alcohol, simethicone, a photoinitiator and the anti-scratch agent, and carrying out stirring and uniform mixing; and (3) preparation of the film: performing corona treatment on a PET base film, coating a corona surface with the release agent, and performing radiation curing by using ultraviolet light, thereby obtaining the film. The method is simple in process and easy to operate, and the PET release film prepared by the method has good scratch resistance and wear resistance, moderate peel strength, certain antistatic property and good stability.

The invention discloses a treating agent for oil-based mud. The treating agent consists of fatty acid, a filtrate reducer, ethanol, sodium methyl silicone, diesel oil, sodium hydroxide and water. The treating agent has a rational formula, a good using effect and low production cost.

The invention discloses a baking varnish temperature-resistant antibacterial decorative plate with a display function. The baking varnish temperature-resistant antibacterial decorative plate with the display function comprises a plate body; a display device groove is formed in the upper side of the plate body; a display device is arranged in the display device groove; the plate body comprises a base material, and a high-temperature-resistant layer and an antibacterial layer which are arranged on the base material sequentially from outside to inside; the high-temperature-resistant layer is a mixture layer formed by mixing methyl silicone oil, aluminate, water, aluminic acid ester, polyoxyethylene ether, ceramic micropowder, iso-tridecanol polyoxyethylene ether, silicate, dibutyl phthalate and hydroxymethyl cellulose; the antibacterial layer is a mixture layer formed by mixing a TiO2 photocatalyst material, nano-silver and formaldehyde decomposed active components. The baking varnish temperature-resistant antibacterial decorative plate with the display function has the beneficial effects of high durability, anti-bacterial and mildew proof properties, high strength, sound absorption and sound insulation, high compactibility, high permeability and low cost.

The invention discloses a waterproof material for polystyrene boards and gypsum boards of building walls. The waterproof material is prepared from the following raw materials in parts by weight: 8-10parts of cement clinker, 6-10 parts of quick lime, 10-15 parts of a polyethylene emulsion, 15-20 parts of a paraffin emulsion, 4-8 parts of glass fibers, 3-6 parts of borax, 3-6 parts of sodium alginate, 3-5 parts of a grinding aid, 3-4 parts of sodium methyl silicate, 2-6 parts of hydroxyethyl cellulose, 2-4 parts of sodium tripolyphosphate, 2-4 parts of triethanolamine, 2-3 parts of aluminum potassium sulfate, 2-3 parts of dodecyl ethyoxyl sulphobetaine, 1-3 parts of polyacrylamide, 1-2 parts of calcium lignosulphonate and 50-80 parts of water. During construction, only 1mm of the material needs to be smeared on a polystyrene board wall body and a gypsum board wall body, after air drying, the surface layer of the wall surface is cleaned and polished to be flat, construction is convenient, time and labor are saved, the polystyrene board wall body and the gypsum board wall body treated through the material can completely eradicate the phenomena of alkali efflorescence, falling, moisture regain, mildewing and hollowing of the wall bodies, the service life of the polystyrene board and the gypsum board of the building wall body is greatly prolonged, and the cost is low.