242 results about "Silicone resin" patented technology

Highly active defoamer compositions which are storage stable and maintain their defoaming efficiency for extended times even in harsh chemical environments are prepared by an aqueous base-catalyzed condensation of a hydroxy-terminated polyorganosiloxane, a silicone resin bearing hydroxy groups or hydroxy-reactive groups, and hydrophilic silica. The condensation takes place at a temperature of 80°C to less than 130°C, and the reaction viscosity is monitored to determine an appropriate time to add the hydrophilic silica.

A release agent for epoxy resin molding that supports one-time spraying and multiple demolding, and its preparation method, relates to a release agent and its preparation method. The purpose of this invention is to solve the problem that traditional release agents in the prior art cannot achieve multiple demoldings after a single coating. The release agent for epoxy resin molding that supports one-time spraying and multiple demolding is prepared by mass fraction of 90%~95% solvent, 2%~10% film-forming agent, 2%~10% silicone resin, and 0.02%~2% co-catalyst. Method: 1. Mix the solvent, film-forming agent, and silicone resin to obtain a mixed solution; 2. Add the co-catalyst to the mixed solution and shake. This invention uses a solvent, film-forming agent, silicone resin, and co-catalyst to formulate a release agent that, after one coating or spraying on the surface of a stainless steel or fiberglass mold, enables multiple demoldings of epoxy resin molding, thereby improving production efficiency and saving production costs.

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 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.

The present invention provides a peelable laminate, etc., that exhibits easy peelability while the adhesive layer after peeling shows sufficient adhesive strength for practical use. [Solution] A substrate having a release layer is provided with a first silicone adhesive layer and a second silicone adhesive layer laminated on the same layer, wherein the second silicone adhesive layer is of formula:R3SiO 1 / 2 Siloxane units represented by the formula: SiO (wherein R is the same or different monovalent organic group with 1 to 12 carbon atoms) 4 / 2 A releaseable laminate containing a multilayer silicone adhesive layer, characterized in that it contains a silicone resin containing siloxane units represented by , the content of which is higher than the content of silicone resin in the first silicone adhesive layer, and the thickness of the first silicone adhesive layer is thinner than that of the second silicone adhesive layer; a method for using and manufacturing the same; a method for designing the same; and a use of the laminate and curing reactive silicone composition for the purpose of manufacturing the same.

This invention belongs to the field of refractory materials technology, specifically relating to a low thermal conductivity multilayer composite magnesium-iron-aluminum spinel brick and its preparation method. This invention uses 4-ethoxyphenylboronic acid as a modifier to introduce borate ester groups onto the surface of phenolic resin hollow microspheres, obtaining borate ester-modified phenolic resin hollow microspheres. An epoxy-based silicone resin is prepared using organosilicon resin and epoxy silane. Then, the epoxy-based silicone resin is used to modify alkaline silica sol, introducing organic polymers onto the particle surface to obtain modified silica sol. The modified silica sol is then mixed with sodium hexametaphosphate to obtain a composite binder. This invention combines high-purity magnesia, fused magnesia, fused iron-aluminum spinel, α-Al₂O₃ micropowder, metallic iron powder, metallic aluminum powder, a composite binder, and borate ester-modified phenolic resin hollow microspheres to prepare a multilayer composite magnesium-iron-aluminum spinel brick with low thermal conductivity, excellent mechanical properties, high-temperature resistance, and corrosion resistance.

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.

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 provides a laminate with excellent weather resistance. The coating agent of this invention comprises a dimer acid di(meth)acrylate resin, a polyfunctional (meth)acrylate compound, a photopolymerization initiator, and a light stabilizer represented by formula (1). Furthermore, the laminate of this invention comprises: a coating layer formed on a substrate layer using the coating agent of this invention; a substrate layer formed using a thermoplastic polyurethane; and an adhesive layer formed on the side of the substrate layer opposite to the side on which the coating layer is formed using at least one resin selected from acrylic, urethane, rubber, and silicone resins.

The application discloses a kind of super-hydrophobic self-cleaning paint for mortar mixing barrel, coating and preparation method thereof.The paint includes, by mass fraction: epoxy resin 10-15 parts, epoxy modified silicone resin 5-15 parts, hydroxyl functionalized submicron alumina 15-20 parts, isocyanate functionalized nano-alumina 5-10 parts, dispersion medium 50-60 parts and auxiliary agent 0.5-2.5 parts.The application forms core-shell structure by two kinds of functionalized alumina chemical bonding, combines epoxy modified silicone resin, and constructs stable micro-nano composite rough surface.The coating prepared from the paint has static water contact angle of 165° or more, still maintains super-hydrophobic property after 50 times of sandpaper abrasion and 7 days of high temperature treatment at 180℃, and surface morphology is perfect after 50 days of simulated seawater immersion, solving the problem that existing coating is difficult to consider super-hydrophobic, wear-resistant, high-temperature resistant and corrosion-resistant property.

Magnetic carrier include a carrier core and a resin coat layer that coats the surface of the carrier core, and can electrostatically charge toner positively by friction. The resin coat layer contains polyimide silicone resin and silica particles.

This invention discloses a carbon capture article comprising: (i) a ceramic honeycomb assembly including an inlet end, an outlet end, and intersecting walls defining cells through which fluid can flow; (ii) a zeolite coating at least partially covering the intersecting walls of the ceramic honeycomb assembly; and (iii) a silicone resin coating at least partially disposed on the zeolite coating. The zeolite coating may be a 13-X type zeolite. The silicone resin may be a siloxane resin. This invention also discloses a method for manufacturing the carbon capture article, the method comprising a silicone coating step, the silicone coating step comprising coating a silicone resin at least partially onto the zeolite coating to form the carbon capture article, the zeolite coating at least partially covering the intersecting walls of the ceramic honeycomb assembly. Finally, this invention discloses a method for capturing carbon dioxide from the air, the method comprising a flow step, the flow step comprising passing a fluid containing carbon dioxide (CO2) molecules through the carbon capture article.

This invention discloses a low surface energy active-passive synergistic antifouling coating and its preparation method, belonging to the field of marine antifouling materials technology. The preparation method of the antifouling coating includes the following steps: S1, mixing acetone and xylene and stirring under a nitrogen atmosphere to form a mixed solvent; S2, adding vinyl-terminated silicone resin and acrylic resin to the mixed solvent, stirring and heating to obtain a coating base liquid; S3, adding an initiator to the coating base liquid and continuously stirring and heating to react; S4, after the reaction is complete and the coating base liquid cools, adding functional fillers to form a coating liquid; S5, coating the coating liquid and drying to obtain a low surface energy active-passive synergistic antifouling coating. The low surface energy active-passive synergistic antifouling coating prepared by this invention solves the problem in existing marine antifouling technologies where the single antifouling mechanism prevents the simultaneous consideration of environmental friendliness and long-term effectiveness, and has broad application prospects in the field of marine antifouling materials technology.

A two-step eyebrow makeup method with a first pencil-type composition and a second composition with a non-glycerol silicone resin, a glycerol silicone resin, or a silicone polyamide. The present invention relates to a coating method, in particular for the care and / or makeup of keratinous materials, in particular eyebrows including eyebrow hairs, the skin from which said hairs are implanted, and their contours, comprising at least the following steps: 1) the application of a first composition (A) "Base Coat" of pencil-type composition comprising, in particular in a physiologically acceptable medium: i) at least one wax, ii) at least one non-volatile oil, and iii) at least one pigment, and 2) the application, over the layer formed by composition (A), of a second layer formed by a composition (B) "Top Coat" comprising,particularly in a physiologically acceptable environment: a) at least one non-glycerol silicone resin; b) at least one glycerol silicone resin; etc.) at least one silicone polyamide; d) at least one oily phase comprising at least one volatile hydrocarbon oil.

This invention discloses a heat-absorbing layer for a metal oxide varistor. A thermally protected metal oxide varistor (TMOV) device includes: an MOV chip; a first electrode disposed on a first side of the MOV chip; a second electrode disposed on a second side of the MOV chip opposite to the first side; a conductive first lead connected to the first electrode; a heat-absorbing layer bonded to the second electrode by a heat-absorbing paste formed from a mixture of silica sand, melamine cyanurate, and silicone resin, wherein the heat-absorbing paste is formed from a mixture of melamine cyanurate and silicone resin; a thermal cutoff (TCO) element extending through pores in the heat-absorbing layer and having a first end electrically connected to the second electrode by a certain amount of solder having a melting temperature lower than the melting temperature of the TCO element; and a conductive second lead electrically connected to the second end of the TCO element.

The application discloses a high-temperature-resistant and porcelainizable silicon resin composite material and a preparation method thereof, and belongs to the technical field of organic polymer materials. The silicon resin composite material is modified by polydopamine modified boron carbide and two kinds of low-melting-point glass powder, and the gradient synergy of the polydopamine modified boron carbide and the two kinds of low-melting-point glass powder can make the silicon resin composite material generate phase transition from a silicon dioxide phase to a B2SiO5 phase and then to a Mg2SiO4 phase in a high-temperature thermal aging process, and the B2SiO5 phase and the Mg2SiO4 phase can form a B2SiO5-Mg2SiO4 ceramic network, which, in cooperation with SiC, endows the composite material with excellent high-temperature mechanical properties. The silicon resin composite material provided by the application can generate phase transition at high temperature, the mechanical properties are significantly improved, good processing performance and mechanical strength are maintained, and the silicon resin composite material is suitable for high-performance structural parts and other composite material products in the field of aerospace.

The application belongs to but is not limited to the technical field of material functional coating, and a multi-substrate adapted high-adhesion wear-resistant super-hydrophobic composite coating and a preparation method thereof are provided.Step one, a KH-570 solvent with a specific concentration is prepared;step two, KH-570 substrate pretreatment is performed;step three, fluorinated silicon dioxide is dispersed;step four, a silane precursor modified solution is prepared;step five, resin compounding is performed;step six, coating spraying, curing and performance testing are performed;step seven, material characterization and analysis are performed;and step eight, application testing and optimization are performed.Through the synergistic effect of KH-570 silane coupling agent pretreatment of the substrate and the fluorinated silicon dioxide / silicone resin composite coating, the super-hydrophobicity and wear resistance of the coating are significantly improved, while the high light transmittance and strong adhesion are maintained.The technology is suitable for optical device protective coating, building glass self-cleaning surface, medical device anti-fouling coating and other fields, and the universal spraying process can realize uniform film formation on complex substrates.

The application provides a high-toughness methyl silicone resin and a preparation method thereof. The high-toughness methyl silicone resin comprises the following raw materials in parts by mass: 100 parts of methyltrimethoxysilane; 18-24 parts of dimethyldimethoxysilane; 10-12 parts of a polyhydroxy steric-modified agent; 20-26 parts of water; 36-44 parts of an organic solvent; 0.1-0.3 parts of a titanate catalyst; and 0.1-0.3 parts of an organic tin catalyst. The polyhydroxy steric-modified agent is a topological structure compound containing at least two active hydroxyl groups, which is prepared by an addition reaction of a multifunctional aliphatic polyol and an unsaturated bridged cyclic alicyclic compound under the catalysis of a Lewis acid, and the active hydroxyl group content of the topological structure compound is 3.5-4 mmol / g. The high-toughness methyl silicone resin is applied in the preparation of a flexible sealing material or a heat-resistant coating material for a heating pipe.

Provided are an optical film capable of inhibiting or preventing display characteristic deterioration, a method for manufacturing an optical film, an optical member, and an image display device. An optical film (10) characterized by having a resin layer (B) (12) formed on a light-transmissive substrate (A) (11), and an element constituting the resin layer (B) (12) containing silicon, and in the resin layer (B) (12), the number of atoms at a depth of 1 nm from a surface on the opposite side to the light-transmissive substrate (A) (10) satisfies the following mathematical expression (1). 5.0 ≤ [(n Si / n total ) × 100] ≤ 9.0 (1). In the mathematical expression (1), n total is the total number of atoms of carbon, nitrogen, oxygen, and silicon, and n Si is the number of silicon atoms.

The application discloses a cement-based material demoulding and protection integrated paste, a preparation method and application thereof, and belongs to the field of civil engineering and building materials. The paste is prepared from the following raw materials in a weight ratio: 50-80 parts of emulsified paraffin, 2-20 parts of a protective material, 0.1-5 parts of an emulsifier, 0.05-1 parts of carbomer and 0.01-2 parts of a stabilizer. The protective material is fluorosilicone resin emulsion, fluorocarbon resin emulsion or siloxane, or the protective material is composed of siloxane and fluorosilicone resin emulsion, or the protective material is composed of silane and fluorocarbon resin emulsion.

The application relates to the technical field of ball valve production and processing, and discloses a production and processing technology of a sealed wear-resistant ball valve, which comprises the following steps: base material pretreatment, wear-resistant bottom layer preparation, functional coating slurry preparation, functional coating coating, sealing surface strengthening treatment, intelligent pressure detection module integration, closed-loop control system assembly, hot isostatic pressing densification treatment, precision calibration and performance testing, surface passivation and packaging. In the application, the nano diamond particles and the chromium-based tungsten carbide composite powder in the functional coating slurry jointly construct a high-hardness wear-resistant framework, resist the abrasive wear and erosion of the sealing surface, the molybdenum disulfide serves as a solid lubricant and forms a transfer film on the friction interface during the working process, reduces the friction coefficient, realizes the self-lubricating effect, the epoxy-modified organic silicon resin serves as a bonding phase, firmly combines the functional components, and endows the coating with good toughness and bonding strength, so that the wear-resistant life and reliability of the ball valve sealing pair are synergistically improved under harsh working conditions.

This invention discloses a method for manufacturing a translucent waterproof adhesive, comprising: mixing and stirring raw materials prepared according to a preset ratio to obtain a mixture; wherein the raw materials include organosilicon resin, at least one polymer, silicate, surfactant, photosensitizer, and functional filler; applying the mixture onto a product to be protected, and curing the mixture applied to the product to obtain the translucent waterproof adhesive. The technical solution of this invention can produce a translucent waterproof adhesive with excellent performance, and the translucent waterproof adhesive can maintain stability under high temperature conditions without deformation or melting, thereby extending its service life.

The present application relates to the technical field of paint, in particular to a paint composition and a preparation method thereof, a polysiloxane modified resin and a preparation method thereof, a coated article and a household appliance. The paint composition of the present application comprises a base coat paint and a top coat paint, and can be used to form at least two layers of coating. The base coat paint and the top coat paint each comprise a polysiloxane modified resin and a silicone resin. The silicone resin has flexibility and chemical corrosion resistance. The polysiloxane modified resin has high hardness and scratch resistance. The at least two layers of coating formed by the base coat paint and the top coat paint have good scratch resistance.

This product is a rod holder for holding multiple fishing rods together, and consists of a rod holder body and a locking band extending from the rod holder body with multiple locking holes. The rod holder body and the locking band are integrally formed from a flexible resin (silicone resin). As shown in the reference front view showing the names of each part and the reference diagram showing the state of use, the rods are placed in contact with a pair of recesses provided in the rod holder body, the locking band is wrapped around the outer circumference of the rods, and the rods are held in place by locking the locking holes of the locking band, which are aligned with the locking pins protruding from the rod holder body.

The application discloses a preparation of a thermosetting benzocyclobutene-based MQ silicone resin and application thereof in preparing a glass fiber composite material, and comprises the following steps: stirring and reacting an organic silicon source, a solvent, a catalyst and water at 30-50 DEG C for 30-90 min to form a mixed solution A; uniformly mixing divinylsiloxane-benzocyclobutene and the solvent to form a mixed solution B, adding the mixed solution B into the mixed solution A, and heating to 65-80 DEG C for 1-3 h; adding an organic phase after the reaction is completed, washing with water for several times until neutral, removing the solvent by vacuum distillation, and vacuum drying; and obtaining the thermosetting benzocyclobutene-based MQ silicone resin. The thermosetting benzocyclobutene-based MQ silicone resin has excellent dielectric properties, mechanical properties, heat resistance and chemical stability, and the cured resin formed by thermal crosslinking has the properties of low dielectric, high tensile strength, high bending strength, chemical stability and heat resistance.

This invention belongs to the field of far-infrared radiation coating technology, specifically relating to a far-infrared radiation coating, coating method, and application. The raw materials for preparing the coating include modified organosilicon resin, high-structure conductive carbon black, far-infrared composite ceramic powder, flake graphite, dispersant, coupling agent, leveling agent, thixotropic agent, and solvent. The coating prepared by this method exhibits a normal total emissivity of 0.89 in the 2.5-25μm range, a peak radiation wavelength of 8.16μm, and a relative radiation intensity ≥0.95 in the 7.6-8.9μm band at a working temperature of 40-60℃ in a test environment of 20℃ and 48%RH. Furthermore, the coating has low cost, strong adhesion, and good flexibility, making it particularly suitable for the application requirements of flexible substrates such as low-temperature wearable products.

This invention relates to a hot stamping film based on digital printing technology, its preparation method, and its application, belonging to the field of hot stamping film technology. The hot stamping film of this invention comprises, from bottom to top, a substrate, a release layer, a protective layer, and an adhesive layer. The release layer comprises the following raw materials in parts by weight: 20-30 parts thermoplastic polyurethane resin and 2-4 parts micronized polyethylene wax. The protective layer comprises the following raw materials in parts by weight: 10-20 parts silicone-modified acrylic resin, 5-9 parts fluorine-modified silicone resin, 0.1-0.3 parts drying agent, 0.5-1 part light stabilizer, 0.5-1 part light absorber, and 1-3 parts curing agent. The hot stamping film prepared by this invention has water resistance, shatter resistance, and stain resistance. It offers higher production efficiency and eliminates flowing liquid, ensuring high quality and environmental protection, while also reducing production costs. The hot stamping film based on digital printing of this invention allows for personalized customization, is easy to operate, possesses exquisite patterns printed by thermal sublimation, and also has excellent substrate applicability and adhesion.

This invention discloses a high-ductility, bend-resistant, and brittle-resistant thermally conductive silicone material, comprising, by weight: 90-95 parts of a flexible cross-linked matrix, 180-220 parts of a thermally conductive filler, 1.5-2.2 parts of a silane coupling agent, 0.3-0.6 parts of a platinum catalyst, and 0.8-1.5 parts of a rheology modifier. The flexible cross-linked matrix comprises 70-75 parts of vinyl silicone oil, 8-12 parts of hydrogen-containing silicone oil, and 7-10 parts of a flexible toughening silicone resin modifier. The thermally conductive filler comprises 140-170 parts of spherical alumina and 40-50 parts of boron nitride, wherein the boron nitride is in the form of flake powder. This invention's thermally conductive silicone material, through the design of the flexible cross-linked matrix and the thermally conductive filler components and proportions, significantly improves the material's ductility, resilience, tear resistance, and dynamic heat dissipation performance. The preparation process is simple and controllable, and it can be used for long-term service in dynamically moving heat-generating components.

The application relates to the technical field of cables, and discloses a high-strength cross-linked polyethylene insulated power cable which comprises, from inside to outside, a conductor, an insulation layer and a sheath layer; the raw material of the sheath layer comprises the following components in parts by weight: 90 parts of high-density polyethylene, 4-6 parts of ethylene-vinyl acetate copolymer, 5-10 parts of ethylene-octene copolymer, 15-20 parts of composite filler, 1-2 parts of antioxidant, 5-9 parts of plasticizer, 6-12 parts of flame retardant and 3-5 parts of compatibilizer; the raw material of the composite filler comprises the following components in parts by weight: 25 parts of serpentine, 1-3 parts of silane coupling agent and 2-6 parts of MQ type organic silicon resin; the MQ type organic silicon resin comprises methyl MQ silicon resin and methyl vinyl MQ silicon resin in a weight ratio of 1-4:1. Through the technical scheme, the problem of poor wear resistance of the sheath layer of the power cable in the related art is solved.