570 results about "Silicone oil" patented technology

The application discloses a preparation of low-yellowing polyether modified amino silicone oil and a fabric finishing agent containing the same, and relates to amino silicone oil and application thereof. The application uses octamethylcyclotetrasiloxane and 3-piperazinylpropylmethyldimethoxysilane as key raw materials, converts original primary amino groups into secondary amino groups on the basis of traditional amino silicone oil, simultaneously pays attention to control of the molecular mass of the modified amino silicone oil, significantly improves the chemical stability and oxidation resistance of the silicone oil, and secondarily modifies the silicone oil by using allyl epoxy polyether, so that the originally non-hydrophilic amino silicone oil obtains certain hydrophilicity, and the self-emulsifying ability of the silicone oil and the stability of the emulsion are significantly improved. Through the modification, the final silicone oil molecular chain segment can be repeatedly and directionally arranged on the fiber surface in the form of alternating polyether and polysiloxane structure, so that the finishing agent has good hydrophilicity, softness and washability for finishing fabrics.

This application relates to the field of protective film materials technology, and discloses a weather-resistant and high-temperature-resistant silicone leather protective film and its preparation method. The weather-resistant and high-temperature-resistant silicone leather protective film of this application comprises a knitted fabric substrate layer and an organosilicon composite layer stacked sequentially from bottom to top; wherein, the raw materials of the organosilicon composite layer include: methyl vinyl silicone rubber, modified fumed silica, hydroxyl silicone oil, hydrogen-containing silicone oil, platinum catalyst, UV stabilizer, flame retardant, and antioxidant; the modified fumed silica is obtained by modifying fumed silica with a composite silane coupling agent, and the specific surface area of ​​the fumed silica before modification is 200~400 m² / g. 2 / g. The preparation method of this application is simple and efficient. Through the steps of substrate pretreatment, mixing of adhesives, composite molding, and post-treatment, the resulting weather-resistant and high-temperature resistant silicone leather protective film has excellent mechanical strength, weather resistance, high-temperature resistance, and flame retardant properties.

This invention relates to a polyurethane-modified silicone protective material for the outer wall of wind turbine towers, and discloses a method for preparing the same material. The material is prepared by mixing acrylate-hedged phenol-modified trimethyl silicone oil, isocyanate-modified polyether polyol polyurethane, ultrafine silica, nano-alumina, short-fiber glass, triethylamine, benzoyl peroxide, dioctyl phthalate (DOP), phthalocyanine UV absorbers, dibutyltin diethylene (DDBT), and imidazole antifungal agents in a specific weight ratio. This material exhibits excellent weather resistance, mechanical strength, heat resistance, UV resistance, and antifungal properties, making it particularly suitable for the protection of wind turbine towers. The preparation method ensures the stability and consistency of the material's performance by precisely controlling the proportions of each component and the curing conditions. This material effectively improves the UV resistance, corrosion resistance, weather resistance, and overall durability of wind turbine towers, extending their service life and reducing maintenance costs. This invention provides a high-performance protective material for the outer wall of wind turbine towers, which has significant engineering application value. Especially in environments with long-term high humidity, low temperature, and strong ultraviolet radiation, it can significantly improve the stability and service life of the tower. This polyurethane-modified silicone protective material exhibits excellent protective performance in demanding application environments such as wind turbine towers, and has broad market application prospects.

The application discloses a polysiloxane resin and a preparation method thereof, a coating and a cooker and belongs to the technical field of coatings, wherein the coating comprises the following raw materials in parts by weight: 40-60 parts of an organic silicon resin, 10-30 parts of a polysiloxane resin and 0.5-2.0 parts of silicon oil; and the structural unit of the polysiloxane resin is: wherein R comprises an amino group. The coating of the application is compounded by the organic silicon resin and the polysiloxane resin, the polysiloxane resin contains the amino group, the amino group can react with the surfaces of various inorganic materials and form chemical bonds, and thus the adhesion between the coating and the base layer is improved. Therefore, the application can improve the adhesion of the coating.

The present invention aims to develop a nail care product that offers excellent smooth spreadability, a uniform coating film resulting in superior gloss and gloss retention, long-lasting wear, and long-term stability of the formulation. [Solution] The following components (A) to (D); (A) Film-forming agent (B) Organically modified clay minerals (C) Silicone oil (D) Organic solvents A nail care product containing the following, wherein the mass ratio of component (B) to component (C) (B) / (C) is 0.1 or more and less than 10.

A water-in-oil microemulsion comprising water; an oil, wherein at least 80 wt%, preferably, from 80 to 100 wt%, more preferably, from 80 to 95% of the oil is a silicone oil, ester oil, and / or a linear or branched alkane comprising 8 to 34 carbons; and a liquid non-ionic surfactant having an HLB from 7 to 13, wherein a weight ratio of the non-ionic surfactant to the oil is from 10:1 to 1.5:1, wherein the water-in-oil microemulsion is transparent and mono-phasic, and wherein the pH of the emulsion is between from 4.5 to 7.5.

The application belongs to the technical field of epoxy structural adhesive and discloses a single-component organic silicon modified temperature-resistant epoxy structural adhesive composition and a preparation method thereof, the single-component organic silicon modified temperature-resistant epoxy structural adhesive composition comprises, in terms of weight percentage, 40-75 parts of epoxy resin, 26-47 parts of epoxy modified silicon oil, 21-28 parts of methyl phenyl silicon resin containing an alkoxy functional group, 6-8 parts of a curing agent, 24-40 parts of amino phenyl silicon oil, 0-18 parts of a defoaming agent and 1-3 parts of a leveling agent, the side chain or end chain of the epoxy modified silicon oil contains at least one epoxy group, the amino equivalent of the amino phenyl silicon oil is 670-3750 g / eq, and the phenyl content is 0.10-0.40 mol / 100g. The application provides a single-component organic silicon modified temperature-resistant epoxy structural adhesive composition, the epoxy modified silicon oil and the amino phenyl silicon oil can produce a synergistic effect, the high-temperature resistance of the composition is improved, and thus the problems such as the decrease of adhesion, the failure of insulation performance after 90-degree bending and the decrease of tensile strength of the epoxy structural adhesive composition in an environment exceeding 100 DEG C can be avoided.

This application relates to the field of hydrosilylation, and in particular to a highly efficient catalyst for hydrosilylation reactions and its preparation method. This application provides a method for preparing a microcapsule-form catalyst, which first modifies methyl-terminated hydroxyl silicone oil with silazane, and then forms a microcapsule coating system with paraffin, thereby improving the release performance of the microcapsule coating system, so that the catalyst has low reactivity in the early stage of release, thereby improving the uniformity of the reaction process inside the silicone rubber, and thus improving the transparency and overall strength of the silicone rubber.

The application relates to the field of lubricating oil, discloses high-phenyl silicone oil as well as a preparation method and application thereof, the phenyl content of the high-phenyl silicone oil is greater than or equal to 40 mol %, the kinematic viscosity at 25 DEG C is less than or equal to 1000 mm 2 / s based on the total amount of the high-phenyl silicone oil, and the high-phenyl silicone oil provided by the application has high phenyl content and good fluidity, and due to the increase of the phenyl content, the high-phenyl silicone oil has good radiation resistance, high-temperature resistance and the like, and can be used as an electric insulation, heat transfer and / or pressure transfer medium.

This invention relates to the field of all-water foaming polymer materials, specifically to an all-water-blown rigid polyurethane foam reinforced with nano-titanium oxide, its preparation method, and its applications. It consists of component A and component B. Component A includes polyether polyol 1, polyether polyol 2, polyether polyol 3, a blowing agent, a silicone oil stabilizer, and an amine catalyst; component B is isocyanate. This invention uses an in-situ modified terephthalic acid nano-titanium oxide aqueous dispersion instead of pure water as the blowing agent, chemically anchoring the nano-titanium oxide to the polyurethane cross-linked network via terephthalic acid, forming rigid nano-nodes. This solves the problem of negative pressure shrinkage of the cells caused by CO2 escape in all-water foaming systems. This invention constructs a rigid skeleton synergistic system: a rigid reinforcement structure from the molecular to the network level formed by fluoroaniline polyether containing benzene rings, high-functionality sucrose polyether, and glycerol polyether, combined with chemically anchored nano-titanium oxide rigid nodes, improves the foam's compressive strength.

This invention discloses a high-temperature resistant, low-growth, medium-to-low adhesion silicone pressure-sensitive adhesive, its preparation method, and its application. The silicone pressure-sensitive adhesive comprises the following components by weight: 25-30 parts of high-hydroxymethyl MQ silicone resin, 15-20 parts of hydroxyl-terminated polydimethylsiloxane, 1-5 parts of hydroxyl-terminated polydimethylsiloxane, 1-5 parts of vinylmethyl MQ silicone resin, 10-20 parts of vinyl-terminated polydimethylsiloxane, 30-40 parts of solvent, 0.02-0.08 parts of acid catalyst, and 0.2-0.5 parts of inhibitor. The silicone pressure-sensitive adhesive provided by this invention has high cohesive strength and low adhesion creep during high-temperature baking, enabling protection during the high-temperature baking process of glass. It achieves no white haze precipitation, no adhesive residue, and easy peeling after high-temperature baking.

LIQUID COSMETIC COMPOSITION COMPRISING SILICONE OILS AND HYDROCARBON-BASED OILS, AND THEIR PROCESSES This disclosure relates to a liquid cosmetic composition for skin and lip makeup, comprising a non-volatile, non-polar hydrocarbon-based oil, a volatile, non-polar hydrocarbon-based oil, a mixture of at least one volatile silicone oil and at least one non-volatile silicone oil, a trimethylsiloxysilicate, and a lipophilic gelling agent. Figure for abstract: none

The application belongs to the technical field of two-dimensional material preparation, and particularly relates to a preparation method of a transition metal sulfide two-dimensional material. The preparation method provided by the application comprises the following steps: taking a transition metal sulfide as a target material, taking a polysiloxane material as a substrate, and performing physical vapor deposition to obtain a polysiloxane material-transition metal sulfide composite material; the polysiloxane material-transition metal sulfide composite material comprises a polysiloxane material and a transition metal sulfide two-dimensional material film loaded on the surface of the polysiloxane material; the polysiloxane material comprises one or more of methyl silicone oil, ethyl silicone oil and phenyl silicone oil; carbon tetrachloride is used to dissolve the polysiloxane material in the polysiloxane material-transition metal sulfide composite material to obtain the transition metal sulfide two-dimensional material. The application uses a liquid polysiloxane material as a substrate to load the transition metal sulfide, breaks through the shortcoming of small size of the two-dimensional material in the prior art, and can freely control the thickness of the two-dimensional material.

The utility model relates to a kind of off-type membrane silicone oil quantitative transfer coating curing device, belong to off-type membrane production equipment technical field, including installation bottom plate, the top of installation bottom plate is fixedly installed with the support vertical board of two numbers, two The winding roller is rotatably installed between support vertical board, two The double curing assembly is arranged between support vertical board, the double curing assembly includes the hollow roller of three numbers rotatably installed between two The support vertical board, the both ends of the hollow roller rotatably install rotary connector.Off-type membrane silicone oil quantitative transfer coating curing device, by being provided with three hollow rollers of triangular distribution between two support vertical board, so that the off-type membrane of coating completion, bypass three hollow rollers, hot water is passed into the inside of hollow roller, off-type membrane is heated and solidified, off-type membrane is irradiated and solidified by three ultraviolet lamps, three double solidification, improve the effect of solidification.

This invention discloses a protective film for diffusion sheets and its preparation method, belonging to the field of protective film technology. The protective film uses vinylphenyl-modified polysiloxane as the main adhesive, combined with a low-hydrogen silicone oil and vinyl MQ silicone resin composite crosslinking agent, a two-component compound anchoring agent, PMMA optically compatible microspheres, polyether-modified polysiloxane antistatic agent, and a mixed solvent, and is prepared by step-by-step temperature curing. This invention inhibits small molecule migration at its source through phenyl modification of the main adhesive, constructs a stable adhesive layer structure through a double crosslinking network, achieves non-destructive protection of the diffusion sheet microstructure through microspheres, and significantly enhances the anchoring force of the substrate through the compound system. The resulting protective film has a peel strength of 6~13 g / in at room temperature, peel strength fluctuation ≤5% after aging at 85℃ / 85%RH for 30 days, leaves no residue or film mark after peeling, has a diffusion particle damage rate of 0%, and a surface resistivity stable at 10 Ω·cm. 9 ~10 11 Ωcm can be applied to the entire process of protection for diffuser sheets in high-end display backlight modules.

This invention discloses a method for waterproofing corrugated cardboard without an adhesive layer based on corona activation pretreatment. This method completely eliminates the need for applying adhesive layers such as polyvinyl alcohol. First, the cardboard surface undergoes online corona activation treatment on the corrugated cardboard production line, achieving a surface dyn value of 46-48 dyn / cm. Then, a moisture-proofing agent is directly applied to the activated surface within 1-5 seconds, followed by drying at 40-60℃. The moisture-proofing agent comprises 15-20 parts methyl silicone oil, 10-20 parts oxidized polyethylene wax, 1-5 parts rosin, 1-3 parts stearic acid, 5-12 parts acrylic resin, 0.5-1.2 parts dehydroxanthan gum, 40-70 parts water, and optional nonionic surfactants. This invention replaces the chemical intermediary layer with physical activation, simplifying the process from three steps to two, reducing overall costs by more than 18%, and increasing the peel strength of the moisture-proof layer to more than 1.4 times that of traditional methods. Furthermore, the waterproofing performance does not decrease after 18 hours of high-temperature aging, significantly improving product durability.

This invention discloses a method and apparatus for measuring the phase transformation temperature of a nickel-titanium alloy wire. The method involves binding the positive and negative terminals of a resistance meter to both ends of the wire, fixing the bound wire to a movable rod, and using the movable rod to move the wire into a gradually changing silicone oil solution. A curve is obtained based on the resistivity of the wire and the corresponding temperature of the silicone oil solution. The martensitic transformation initiation temperature, martensitic transformation end temperature, austenitic transformation initiation temperature, and austenitic transformation end temperature of the wire are then determined from this curve. This invention shortens the thermal cycling process, which takes several hours in traditional methods, to just a few minutes by allowing the sample to move unidirectionally in a stable axial gradient temperature field. A single unidirectional movement can obtain complete phase transformation data in one direction, and a single complete forward and reverse movement can obtain all four characteristic phase transformation temperatures, improving detection efficiency by an order of magnitude.

This invention belongs to the field of preparation technology of polyethylene-containing organic polymer compounds, and particularly relates to a rotational molding part and its preparation process, comprising the following steps: dispersing modified alumina and modified ammonium polyphosphate in anhydrous ethanol, adding EGDMA, VTMS hydrolysate and an initiator, mixing, heating, stirring and reacting, slowly adding TEOS hydrolysate under continuous stirring, filtering, washing, heating and curing, immersing in preheated silicone oil, cooling, filtering, washing and dispersing, and drying to obtain flame-retardant powder; mixing the flame-retardant powder, high-density polyethylene and crosslinking agent, extruding in an extruder, pelletizing, drying, pulverizing, sieving, and then rotationally molding to obtain the rotational molding part. This invention can slow down the loss of modified ammonium polyphosphate in high temperature and high humidity environments and improve the long-term stability of the flame retardancy of the rotational molding part.

The invention discloses an organosilicon adhesive for a damp-heat aging resistant galvanized sheet and a preparation method thereof. The organic silicon adhesive comprises the following components in parts by weight: 25-40 parts of hydroxyl silicone oil, 35-50 parts of nano calcium carbonate, 11-21 parts of silica powder, 1-5 parts of a cross-linking agent, 0.4-0.8 part of a catalyst and 2-4 parts of a coupling agent. The organic silicon adhesive disclosed by the invention can keep the performance without obvious attenuation in cold and hot impact, salt mist and ultraviolet aging environments, and particularly can resist water vapor invasion and keep the performance in a damp and hot aging environment. The organic silicon adhesive disclosed by the invention has the capability of bonding low-surface-energy materials such as TPO (Thermoplastic Polyolefin), galvanized sheets and the like, also has good mechanical properties and high and low temperature resistance, and can work in a range of-60 DEG C to 200 DEG C. The organic silicon adhesive provided by the invention can be widely applied to material bonding in the fields of photovoltaics, industry, buildings and the like.

The utility model discloses a kind of vibration-resistant bimetallic thermometers, including protective tube assembly and temperature measuring component, the protective tube assembly includes protective tube and connecting column, silicon oil is filled in the top inside of protective tube, the top of protective tube is fixedly connected with connecting column, the outer surface of the top of connecting column is installed with protective tube through movable screw, corner spring is provided in the inside of universal support, with good vibration resistance, the silicon oil filling in protective tube can make vibration transmission attenuation, effectively reduce the jitter of pointer, reduce reading deviation, so that product reading is more accurate, and reduce the pointer deformation, wear caused by long time high-frequency vibration environment, thickened universal support further improves the impact resistance and shock resistance of product, thickened universal support can better protect the corner spring between meter head component and protective tube assembly, reduce its risk of deformation due to violent vibration.

This invention provides a prone pressure-sensing mattress, belonging to the field of medical device technology. It includes a base, a reclining board fixed to the top of the base, a mattress on the upper surface of the reclining board, a headband pad and multiple adjustable support pads arranged sequentially along the upper surface of the mattress. The internal skeleton structure of the support pads includes a base plate, multiple pressure sensors fixed to the upper surface of the base plate, and a fixing plate mounted on the top of the multiple pressure sensors. A soft pad is fixed to the upper surface of the fixing plate. An alarm is fixed to the end of the reclining board near the headband pad, and the alarm is communicatively connected to the pressure sensors. A fixing frame is fixed to the other end of the reclining board. A roller is rotatably installed inside the mattress, and a disposable film is wound onto the roller. When used for patients after silicone oil filling surgery, this invention not only provides comfortable prone positioning but also detects and reminds them of their posture, which helps improve medical outcomes and reduce the risk of postoperative complications.

This invention relates to the field of polymer compound technology and discloses a low-viscosity hydroxyl-terminated silicone oil and its applications. The silicone oil is prepared by reacting a base cyclosiloxane, a bulky sterically hindered cyclosiloxane, and a hydroxyl-terminating agent. The bulky sterically hindered cyclosiloxane forms a random copolymer structure with the base cyclosiloxane, and the number of basic segments between adjacent sterically hindered segments is greater than or equal to four. The steric hindrance effect generated by the bulky side chain groups blocks the intermolecular condensation pathway of the terminal silanol groups, eliminating the self-condensation phenomenon of the low-viscosity hydroxyl-terminated silicone oil during room temperature storage, achieving zero viscosity growth and complete retention of the terminal hydroxyl groups during storage, thus maintaining low-viscosity fluid characteristics.

The utility model discloses a kind of silicone oil storage devices, coaxially being provided with inner tank in outer tank body, and the inner tank outer wall is supported on the surface of annular support plate by support, the surface of annular support plate is also provided with several screw rods, screw rod is worn in support and is connected with nut cooperation, the top of inner tank is provided with first tank cover, the top of outer tank body is provided with second tank cover, the surface of first tank cover is provided with feed pipe, the surface of second tank cover is provided with feed inlet, feed pipe is inserted in feed inlet, nitrogen gas inlet and nitrogen gas outlet are respectively provided in one side of outer tank body, the utility model structure is reasonable, inner tank is arranged in outer tank body, double-layer tank greatly improves the sealing property of storage, and outer tank body is respectively provided with nitrogen gas inlet and nitrogen gas outlet, by the structure to realize filling nitrogen gas in outer tank body, to avoid humid environment to cause influence to the silicone oil stored in inner tank, even long-term storage can guarantee silicone oil quality.

The application relates to the field of sealing rings and discloses a silicon rubber sealing ring for capacitors and a preparation method thereof, which comprises the following components: silicon rubber, modified multi-walled carbon nanotubes, hyperbranched triazine-based additives, vulcanizing agents and lubricants; the modified multi-walled carbon nanotubes are prepared by modifying multi-walled carbon nanotubes after introducing double bonds into a benzotriazole intermediate and glycidyl methacrylate in a hydrogen-containing silicone oil molecular chain through a silicon hydrogen addition reaction; the benzotriazole intermediate is prepared by substitution between 2-(2,4-dihydroxyphenyl)-2H-benzotriazole and acryloyl chloride; the hyperbranched triazine-based additives are prepared by nucleophilic substitution reaction with a diamino phosphorus antioxidant prepared by reaction between phenylphosphoryl dichloride and p-phenylenediamine and cyanuric chloride as a monomer; the application is provided with good mechanical properties, antistatic properties, flame retardant properties and aging resistance by adding the modified multi-walled carbon nanotubes and the hyperbranched triazine-based additives.

This invention proposes an impact-resistant seawall repair adhesive and its preparation method, belonging to the field of adhesive technology. The impact-resistant seawall repair adhesive is prepared from the following raw materials in parts by weight: 70-100 parts water glass, 30-40 parts sodium fluorosilicate, 5-10 parts ammonium chloride, 10-15 parts curing agent, 30-50 parts dimethyl silicone oil, 5-7 parts metal oxide, 2-4 parts emulsifier, and 100-120 parts water. This impact-resistant seawall repair adhesive is a silicate inorganic adhesive that can withstand extremely high temperatures and large tensile and shear forces. It boasts advantages such as high bonding strength with the substrate and abundant raw material sources, good stability, and convenient operation.

The application provides a bearing seat, an electric spindle assembly and a numerical control machine tool. The bearing seat comprises an outer seat body, an inner seat body, a damping structure and a cooling channel. The outer seat body forms an outer chamber, and the inner seat body is arranged in the outer chamber. A damping cavity is formed between the inner seat body and the outer seat body, and the damping structure is arranged in the damping cavity. The cooling channel is formed in the outer seat body, the inner seat body or the damping structure. The cooling effect and the damping effect are considered, the damping structure improves the support damping between the inner seat body and the outer seat body, and the vibration between the inner seat body and the outer seat body can be absorbed. The cooling liquid is introduced into the cooling channel, the heat generated by the high-speed rotation of the bearing can be taken away, the thermal deformation of the bearing and the bearing seat is prevented, the rotation accuracy of the electric spindle and the stability of the electric spindle operation are improved. The damping structure is formed by injecting a hot-melt glue type material into the damping cavity and solidifying, and the pressure of the damping cavity is not adjustable. The damping structure is formed by injecting metal powder, silicon oil or hydraulic oil into the damping cavity, and the pressure of the damping cavity is adjustable.

The application discloses a kind of high double-side rate silver paste for solar TopCon back fine grid, belong to solar cell technical field.The silver paste is by micron, submicron, nanometer spherical silver powder, glass powder, organic dispersant, thixotropic agent, silicone oil, organic solvent, titanate additive and organic carrier according to specific ratio composition.By adding 0.4%~0.7% titanate additive, cooperate with multistage silver powder grading and low corrosion glass powder system, effectively solve the narrow line width printing easy to block net, virtual printing broken grid problem, reduce the poly layer corrosion and carrier recombination of silicon wafer.The silver paste printing stability, grid line height-width ratio is optimal, light transmittance is good, can significantly improve the double-side rate of battery and photoelectric conversion efficiency, provides high-performance back fine grid conductive paste scheme for N-type high-efficiency photovoltaic cell.