47 results about "Silicone oil" patented technology

The invention discloses a synthesis method for terpolymer block silicone oil. The synthesis method is characterized by comprising the steps of: (A) adding 100 parts by weight of dimethyl cyclosiloxane or octamethyl cyclotetrasiloxane, 4 parts by weight of epoxy-terminated disiloxane and 15 parts by weight of dimethylacetamide, raising the temperature to 70-80 DEG C, adding 0.02-0.1 part by weight of base catalyst, raising the temperature to 110-120 DEG C, reacting for 3-4 hours, slowly opening vacuum, extracting solvents and low molecular weight matters, continuously raising the temperature to 140-145 DEG C, maintaining the temperature and the vacuum for 2 hours, so as to obtain epoxy silicone oil; and (B) adding 80-100 parts by weight of epoxy-terminated silicone oil, 6-30 parts by weight of polyether polyol and 150 parts by weight of isopropyl alcohol, carrying out backflow reaction for 6-15 hours at 80-86 DEG C, and decompressing and removing the isopropyl alcohol or adding a propylene glycol displacement solvent, so as to obtain amino polyether block silicone oil. By utilizing the terpolymer block silicone oil disclosed by the invention, the fabric has good hand feel, namely fluffy feel and smooth feel, cannot be yellowed or is slightly yellowed.

The invention discloses a production process of a double-point non-woven fusible interlining, which sequentially comprises the following steps of: A) using 43 percent of nylon fibers and 57 percent of polyester fibers by mass as raw materials, laying the raw materials to form a net, heating and hot rolling through a hot mill to enable the nylon fibers and the polyester fibers to be bonded with each other to form a non-woven base fabric; B) softening the non-woven base fabric through silicone oil and conducting inspection; C) cropping after the non-woven base fabric is inspected to be qualified; D) conducting double-point coating fabric feeding after cropping, firstly using a circular screen for primer transfer and then spreading fusible adhesive powder on the primer; E) clearing the fusible adhesive powder which is not combined with the primer by adopting an air blowing and suction method; F) baking through a baking oven, wherein the baking temperature is 167 DEG C and the fabric feeding speed is 36m/min; G) cooling through cooling rolls, wherein deep-well water or tap water chilled by a water chiller is filled into the cooling rolls; and H) conducting final inspection to the cooled double-point non-woven fusible interlining, rolling and containing the double-point non-woven fusible interlining in a box. The production process of the double-point non-woven fusible interlining has the advantages that the production quality is improved, the production energy consumption is reduced, the production efficiency is improved and the production cost is reduced.

The bismuth sodium titanate-barium titanate base piezoelectric ceramic contains bismuth oxide, sodium carbonate, barium carbonate, titania and tin oxide, and has the chemical composition of (1-x)[(Na0.5Bi0.5)TiO3]-xBaTiO3-ySnO2, where x is 0-0.1, and y is 0-0.1. The preparation process of the bismuth sodium titanate-barium titanate base piezoelectric ceramic includes material compounding, vibration milling to mix, pressing block, pre-sintering, adding adhesive, rolling, eliminating glue, sintering, silver sintering and final polarizing in silicon oil. The present invention has effectively lowered coercive field and resistivity of the piezoelectric ceramic and simple and feasible polarizing process, and the technological process may be used in preparing various kinds of lead-free piezoelectric ceramic of different piezoelectric and dielectric performances for need of different fields.

The invention provides a fabric static electricity remover and a preparation method thereof. The fabric static electricity remover is prepared from polyalcohol, silicone oil, a cation surfactant, an amphoteric surfactant and deionized water. The fabric static electricity remover is prepared by combining the antistatic performance of the surfactants, the moisture absorption of the polyalcohol and the antistatic performance and flexibility of the silicone oil, so a fiber surface has moisture absorption and ionicity, the electric conductivity of the fiber surface is improved, and the aim of preventing static electricity is fulfilled. By adoption of the fabric static electricity remover, charges of a fabric surface can be quickly removed, and the static electricity is eliminated. The fabric static electricity remover has certain capacity of preventing the charges from being gathered and can be directly applied to the fabric surface and used for removing the static electricity; the phenomena of trace formation and color change of fabric are avoided; and the fabric static electricity remover has an obvious static electricity removing effect, and the phenomena of trace formation and color change of the surface of a fabric sheet are avoided.

The invention discloses a preparation method of a waterborne polyurethane emulsion and the waterborne polyurethane emulsion prepared by the preparation method. The preparation method comprises the following steps: (1) synthesizing a polyurethane prepolymer: mixing and dehydrating polypropylene oxide polyether glycol and polycarbonate diol, dropwise adding toluene diisocynate after dehydrating for heat-preserving reaction, and finally dropwise adding prepared mixed solution of dihydroxybutyric acid, 1, 4-butanediol and acetone for heat-preserving reaction to finally prepare the prepolymer; (2) adding aminoalkyl silicon oil, an inner crosslinking agent and hydroxy-propyl acrylate to modify; (3) neutralizing to salify: dropwise adding an acetone solution of a neutralizer triethylamine into the modified prepolymer prepared in the step (2) for reaction so as to prepare a polyurethane salified solution; and (4) dissolving disulfamate and a diamido chain extender in water, quickly adding to the polyurethane salified solution which is stirred at a high speed, quickly dispersing and extending chains, and heating the emulsion to remove the solvent through evaporation to obtain the waterborne polyurethane emulsion.

The invention relates to a composite underwater sound transmission rubber material and a preparation method thereof. A component A is prepared through steps of plasticating natural rubber, then adding into an internal mixer for mixing, adding metallic oxide, inorganic filler, active agent and accelerator for mixing, and discharging sheets by an open mill and testing; a component B is prepared through steps of plasticating chloroprene rubber, then adding into the internal mixer for mixing, then sequentially adding stearic acid, antiager, carbon black, inorganic filler and softener for mixing, adding sulphur for mixing, discharging sheets and cooling down; the composite underwater sound transmission rubber material is prepared through steps of mixing the component A and component B according to proportion of 1:1, packaging into triangle, thinning, discharging sheets, sampling for sulfuration test, and sulfurizing at relatively low temperature. The acoustic impedence of the material and acoustic characteristic impedence of water are well matched, the sound attenuation coefficient of sound wave transmitting in sizing material is low, the material has good hydrolytic resistance and silicone oil resistance; the material can be stored for long time, is safe to operate, has high underwater sound transmission performance, and can be sulfurized at low temperature so that the contradiction between low temperature sulfurization and normal temperature storage is relieved.

The invention relates to a double-component epoxy zinc-enriched primer and the making method thereof, used in anticorrosive engineering of steel constructions, such as pipelines, shop equipment, ships, bridges and storage tanks, comprising: adding mixed solvent of dimethylbenzene and normal butanol in epoxy resin, then adding in surface active modified polyurethane, gamma-glycidol trimethoxy silane, silicon oil and zinc powder, and mixing uniformly, grinding and then adding in polyurethane wax and blending uniformly into solution A; composing solution B by polyurethane and dimethylbenzene; and it is mixed of solutions A and B as used, where the content of zinc powder in the coating is above 80%, and it has excellent anticorrosive performance, convenient to construct.

The invention discloses an ultrathin heat conductive silicon sheet and a preparation method thereof. The ultrathin heat conductive silicon sheet comprises the following components in parts by weight: 100 parts of ethenyl terminated dimethyl silicon oil, 0.5-2.0 parts of hydrogen-based silicon oil, 200-500 parts of heat conductive powder, 0.1-0.3 part of inhibitor and 0.2-0.6 part of catalyst. The preparation method comprises the following steps of: mixing the components, then, dispersing the mixture at high speed by using a high-speed disperser or a method for additionally providing a high-speed dispersing plate in a planetary stirrer, wherein the dispersing linear speed is not smaller than 10m/s; calendaring the uniformly-dispersed materials by using a precise calendar, wherein the calendaring thickness can be as small as below 0.1mm, and the precision can be at least +/-0.02; and then, baking to obtain the heat conductive silicon sheet with the required thickness. The thickness of the heat conductive silicon sheet provided by the invention is 0.1-0.2mm which is far lower than that of the heat conductive silicon sheet sold on the current market, so that the requirement for light and think electronic products and particularly light and thin mobile phones can be met.

The invention discloses a rooting fiber mat for seedling cultivation. The rooting fiber mat for seedling cultivation comprises four layers in structure, the top layer is a plant fiber mat, the second layer and the third layer are respectively a degradable PE film with a single surface coated with glue, and the bottom layer is silicone oil paper. The mat contains indolebutyric acid beta-cyclodextrin inclusion compound, naphthylacetic acid beta-cyclodextrin inclusion compound, potassium fulvic acid, carbamide, monopotassium phosphate, quintozene and polyacrylamide, and the thickness of the mat is 0.4-5mm and can expand by 10-13 times after the mat absorbs water. The rooting fiber mat for layering seedling cultivation reasonably combines nutrients, rooting agents, bactericide, water-retaining agents and supporting materials together, and is applied to ripe wood cuttage, mist spraying cuttage with branches with green leaves, soil layering and air layering in farms or urban families. On the aspect of seeding, the rooting speed is high, the rooting quality is good, operation is easy and convenient, and cost is low.

The invention discloses a stone surface polishing coating agent, and preparation method and application thereof. The stone surface polishing coating agent is characterized by comprising the following constituents in percentage by weight: 30-40% of nano-scale silicon dioxide, 5-8% of acrylic resin, 5-8% of epoxy resin, 8-12% of AEO (Primary Alcobol Ethoxylate) emulsion, 0.1-0.2% of coupling agent 560#, 1-2% of hydroxyl silicone oil and 25-50% of water. The stone surface polishing coating agent can be used on surface of natural stone and artificial quartz stone to keep the stone surface fresh and bright longer, and the antifouling effect is stronger.

Production of SiALONC by silicon oil containing hydrogen and Al powder and its production are disclosed. The SiALONC ceramic consists of silicon oil containing hydrogen 18-55wt%, amino compound 43-70wt%, Al powder 2-22wt%. The production is carried out by: 1) mixing silicon oil containing hydrogen 18-55wt%, amino compound 43-70wt% with Al powder 2-22wt%, agitating under 0-100deg.C for 8-12hrs, and reacting to form Si-Al-O-N-C organic polymer; 2) inducing nitrogen with 0.5-1atmos into organic polymer in heat pressure sintering furnace, pressurizing 15-20Mpa, or inducing nitrogen with 0.5-1atmos into atmospheric pressure furnace under sintering temperature 1600-1750deg.C, keeping temperature for 1-2hrs, and sintering Si-Al-O-N-C ceramic. It achieves low cost and high strength.

The invention relates to a high-hardness matte ceramic antifouling agent. The high-hardness matte ceramic antifouling agent is prepared via modification grafting with active MQ silicone resin on the surfaces of nanometer silicon dioxide particles. According to the high-hardness matte ceramic antifouling agent, inorganic siloxane in MQ silicone resin and nanometer silicon dioxide are taken as hard chain segments, porefilling effect, wear resistance, and skid resistance on the surface of ceramic are achieved, and in addition nanometer silicon dioxide possesses hydrophobic antifouling antibacterial effect; one the other hand, a cross-linked net-structured film composed of MQ silicone resin and methyl hydrogen silicone fluid is taken as a soft chain segment, and in polishing process, a polishing wheel is isolated from tile surface to avoid direct elastic contact, so that tile glossiness is not improved, and problems of conventional matte antifouling agents that wear resistance and antifouling properties are poor are solved.

The invention discloses heat-resistant modified asphalt, which is prepared from the following raw materials in parts by weight: 140-160 parts of asphalt, 12-16 parts of furan resin, 3-7 parts of dioctyl phthalate, 1-3 parts of sugar alcohol, 2-5 parts of stearamide, 0.8-1.6 parts of mica powder, 0.5-1.2 parts of manufactured sand, 14-16 parts of silicone oil, 3-6 parts of a silane coupling agent, 1-5 parts of an anti-aging agent and 2-6 parts of heat-resistant additives. According to the heat-resistant modified asphalt disclosed by the invention, the performance of the asphalt under a high-temperature condition is improved due to addition of the heat-resistant additive; a mixture of sodium silicate, polyurethane, titanium dioxide and phenolic resin are taken as the heat-resistant additives; the heat resistance is good; the strength of the asphalt can be improved; the viscosity and the ageing resistance of the asphalt are improved due to addition of furan resin, dioctyl phthalate, sugar alcohol, stearamide, mica powder, the manufactured sand, silicone oil, silane coupling agent and the anti-aging agent; and the use of the asphalt under the high-temperature condition is met.

The invention discloses an environment-friendly ceramic coating material for a water faucet. The environment-friendly ceramic coating material for the water faucet is prepared according to a formula comprising the following raw material components in percentage by mass: 80-100 parts of fluorocarbon resin, 8-10 parts of organosilicone oil, 3-5 parts of naphtha, 6-8 parts of polydimethylsiloxane, 10-12 parts of absolute ethyl alcohol, 5-8 parts of alkylphenol polyoxyethylene, 6-8 parts of castor oil polyethenoxy ether, 30-35 parts of an acrylic resin emulsion, 6-8 parts of a nano graphene oxide solution, 10-12 parts of perfluoropolyether, 5-6 parts of sodium chloride, 6-8 parts of disodium hydrogen phosphate, 5-6 parts of aluminum oxide, 6-10 parts of glass fiber powder, 5-8 parts of zinc powder, 6-8 parts of copper powder, 8-10 parts of carbon fiber powder, 8-10 parts of polybutylene terephthalate, 6-8 parts of calcium stearate, 5-8 parts of zinc stearate, 7-9 parts of sodium methyl silicate, 3-5 parts of isobutyl isobutyrate, 6-8 parts of ethlene bisstearamide and 8-10 parts of diethylene glycol monobutyl ether. The environment-friendly ceramic coating material for the water faucet has the advantages of corrosion resistance, wear resistance, high adhesive force, bright and clean appearance and compact coating structure.

The invention discloses a novel powder metallurgical gear. The novel powder metallurgical gear is prepared from iron powder, copper powder, molybdenum powder, vanadium powder, nickel powder, yttrium powder, aluminum powder, magnesium powder, cobalt powder, lead powder, steel slag powder, cupola slag powder, ferroalloy slag powder, modified tree ash powder, graphite powder, epoxidized butyl stearate, silicone oil, methylcellulose, aluminum stearate, polyethylene glycol, ethylene bisstearamide, stearic acid, carbon fibers, glass fibers, boron nitride, epoxy propoxy propyl trimethoxysilane, silica, manganese sulfide, acrylate, an inhibitor, a binder, an enhancer, a cutting agent, a lubricant, a coupling agent and a dispersion agent. According to the novel powder metallurgical gear, through the specific composition proportion, the novel powder metallurgical gear is even in overall density, high in density, high in ductility and area percentage reduction, good in wear resistance, strength and hardness, high in material utilization rate and suitable for quickly producing high-performance gears on a large scale.

The invention discloses a bismaleimide resin/silicone rubber ablation-resistant thermal insulation composite material and a preparation method thereof. The composite material is prepared from the following components in parts by mass: 20-80 parts of methylvinylsilicone rubber, 20-80 parts of methyl vinyl phenyl polysiloxane rubber, 1-5 parts of dicumyl peroxide, 15-40 parts of white carbon black, 5-15 parts of chopped fibers, 5-40 parts of bismaleimide, 1-5 parts of hydroxyl silicone oil and 1-20 parts of zirconium boride. The bismaleimide resin/silicone rubber ablation-resistant thermal insulation composite material has high vulcanization molding quality, and a dense hard carbon layer can be formed on the surface of an ablation layer of the thermal insulation composite material in the ablation process to play a role of preventing the thermal insulation composite material from further ablation, thereby improving the ablation resistance and antioxygenic property of the thermal insulation composite material, enabling the thermal insulation composite material to meet the requirements of operating environments with oxygen enrichment, high temperature, high-speed gas flow and particle erosion, and solving the problem that the thermal insulation material is easy to flaw and be burnt out under the working environments with high temperature, high pressure, oxygen enrichment and particle erosion.

The invention relates to an ultraviolet-proof anhydrous automobile-washing agent and a preparation method thereof and belongs to the field of material cleaning. The ultraviolet-proof anhydrous automobile-washing agent provided by the invention is prepared from the following raw materials in parts by weight: 15%-20% of dodecyl dimethyl benzyl ammonium chloride, 5%-10% of positive ion silicon oil, 10%-15% of fatty alcohol-polyoxyethylene ether, 15%-20% of sorbitol polyoxyethylene ether laurate, 5% of cetyl trimethyl ammonium bromide, 3% of suspending agent, 3% of water-borne wax, 3% of ethylene glycol tert-butyl ether, 30%-35% of ionized water, 2% of titanium dioxide, 2% of salicylic acid and 2% of essence. The ultraviolet-proof anhydrous automobile-washing agent provided by the invention can achieve the four-in-one purpose of cleaning, polishing, waxing and curing without using water and has excellent cleaning, curing and ultraviolet-proof effects.

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 a two-component organic silicon composition for mold top packaging and a preparation method thereof. The two-component organic silicon composition for mold top packaging comprises a component A and a component B. The component A comprises the following raw materials in parts by mass: 5-50 parts of vinyl silicone oil with a special structure, 0-45 parts of methyl vinyl MQ silicone resin and 0.05-0.5 part of a platinum catalyst. The component B is prepared from the following raw materials in parts by mass: 25 to 44 parts of methyl vinyl MQ silicon resin, 1 to 5 parts of atackifier, 4 to 18 parts of hydrogen-containing silicon resin and 0.005 to 0.05 part of an inhibitor. The two-component organic silicon composition provided by the invention has the characteristics of high strength, high hardness, high transmittance, high bonding strength, small thermal expansion coefficient, low moisture absorption, high temperature resistance, good aging resistance and the likeafter being completely cured, meanwhile, is high in curing speed, long in operation time, and good in mold release performance after mold top molding, and meets the related requirements of the packaging material for mold top packaging.

The invention relates to synthesis of an end amino silicone oil modified stryenemaleic anhydride copolymer. The synthetic route comprises the following steps: in a flask, adding 80-100 parts of a stryenemaleic anhydride copolymer and 100-300 parts of a solvent; stirring the mixture at 45-60 DEG C, adding 0.5-10 parts of a catalyst aqueous solution till the materials are fully dissolve; stirring the mixture for 0.5 h; dropwise adding 20-50 parts of an end amino silicone oil solution through a constant flow pump; heating the mixture to 70-90 DEG C after dropwise addition; keeping the temperaturefor 3-6 hours; continuously heating the mixture to 100-150 DEG C; refluxing the mixture for 4-10 hours; exsecting low-boiling-point substances in the system by a water konckout vessel; and after thereaction, drying the mixture to obtain a target product: a polymer elastomer with a maleimide structure on a main chain. The modified novel material has excellent performance of organic silicon, polyolefin and maleimide, has good chemical stability resistance, heat resistance and toughness, and can be applied to the fields of coatings, hot melt adhesives and the like.

The invention relates to a ketonic oxime type silicone sealant and a preparation method thereof. The ketonic oxime type silicone sealant comprises the following raw material components in parts by weight: 100 parts of dyhydroxy polysiloxane, 40-80 parts of dimethyl silicon oil, 0.5-2 parts of a component A, 0.5-2 parts of a component B, 15-25 parts of packing, 5-12 parts of a cross-linking agent,0.5-3 parts of a silane coupling agent and 0.05-0.5 part of a catalyst, wherein the component A comprises nanosilver supported by a carrier; the component B comprises a thiazole compound. The ketonicoxime type silicone sealant is not liable to yellowing, good in anti-mold effect, short in surface dry and curing time and convenient to construct.

The invention discloses a method for preparing a wollastonite toughened epoxy resin. The method comprises the following steps: (1) hydrolyzing a silane coupling agent in a mixed solution of absolute ethyl alcohol and deionized water, adding the solution into a flask, and adding wollastonite; (2) placing the flask in a water area, conducting reaction under electromagnetic stirring, performing suction filtration on the mixed solution, and drying the precipitate in a vacuum oven; (3) grinding the dried modified wollastonite in a planetary ball mill, thereby obtaining the modified wollastonite; (4) mixing the modified wollastonite and a bisphenol A epoxy resin 127, and grinding through a three-rod grinder for 3 hours, thereby obtaining a master batch with solid content, wherein the rod spacing of the grinder is 15pm, the grinding time is 2 hours, and a mass ratio of the modified wollastonite to the epoxy resin is 2:3; (5) uniformly mixing the epoxy resin, methyl tetrahydrophthalic anhydride and modified wollastonite master batch, and adding an initiator BDMA, a release agent silicone oil and an antifoaming agent BYK-530 for mixing, so that the stability of the modified wollastonite in the epoxy resin system is improved.

The present invention provides a solder composition comprising a flux, a solder alloy and silicon oil.