52 results about "Silorane Resins" patented technology

The invention discloses a polyester film for a blue adhesive tape, which is used for binding and packaging a battery of a new energy electric vehicle. The polyester film is prepared from 70-85 parts by weight of high-viscosity polyethylene glycol terephthalate, 5-12 parts by weight of thermoplastic polyurethane, 2-4 parts by weight of siloxane resin powder, 1-3 parts by weight of melamine cyanurate, 2-5 parts by weight of organic modified montmorillonite, 1-3 parts by weight of a coupling agent and 1-3 parts by weight of a coupling agent. 1-3 parts by weight of aromatic polyimide micro powder and 0.3-0.5 part by weight of ethylene glycol monostearate. The invention also discloses a preparation method of the polyester film. The polyester film for the blue adhesive tape is excellent in dielectric strength, flexibility, puncture resistance and flame retardance, the characteristics directly correspond to strict requirements of automobile lithium battery shell packaging, and comprehensive guarantee is provided for safety, reliability and environmental adaptability.

The invention discloses a battery thermal runaway self-inhibition coating based on a heat absorption type reverse thermit reaction as well as a preparation method and application thereof. The battery thermal runaway self-inhibition coating comprises the following raw materials in percentage by weight: 40-60% of Fe2O3, 15-25% of Al powder, 20-35% of a heat absorption additive, 5-10% of a binder and 0-5% of a trigger regulator, the heat absorption additive is Bi2O3 or SrCO3; the binder is a potassium silicate aqueous solution or high-temperature-resistant polysiloxane resin; the trigger regulator is copper oxide or manganese dioxide. The coating is not a single functional material, but is a'reaction system ', an thermit reaction is converted into an endothermic reaction by introducing an endothermic additive, and a product of the coating can be fused and sintered in situ to generate a compact porous ceramic-metal composite heat insulation layer during the endothermic reaction, so that a battery cell can be isolated in space, and the performance of the battery cell is improved. And heat radiation can be effectively blocked due to low heat conductivity, so that double insurance of heat absorption and isolation is realized.

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.

Foam compositions comprising an inorganic resin matrix or a polymer-derived ceramic matrix are provided, as well as methods of fabricating the same. The foams may or may not contain additional functional fillers to control mechanical and / or thermophysical properties. The foam materials can include a novel combination of tailorable inorganic siloxane resins with unique fillers, and unique methods of producing the desired porosity. Unlike related art foams, the foams of embodiments of the subject invention can be inorganic-resin-based, and can be closed cell foams or semi-closed cell foams.

The invention discloses an insulating nano ceramic coating and a preparation method thereof, relates to the technical field of coatings, and belongs to the patent classification number C09D1 / 00. The preparation method comprises the following steps: firstly, carrying out hydroxylation activation and silane modification treatment on nano aluminum oxide and nano zirconium oxide, and grafting polymer chains on the surfaces of the nano aluminum oxide and the nano zirconium oxide through a polymerization reaction to obtain grafted modified nano ceramic powder so as to enhance the dispersity and compatibility of the grafted modified nano ceramic powder in a resin matrix; meanwhile, the acrylic polysiloxane resin is subjected to epoxy modification and is subjected to a cross-linking reaction with 3-aminopropyltriethoxysilane and polyethylene glycol diglycidyl ether, so that resin with a cross-linked network structure is synthesized; and finally, mixing the modified resin, the grafted modified nano ceramic powder, a mixed solvent, polyamide wax, an organic silicon defoaming agent, an acrylate film-forming agent, gamma-aminopropyltriethoxysilane hydrolysate and other auxiliaries, stirring and fusing to obtain the final insulating nano ceramic coating. The nano ceramic coating disclosed by the invention has excellent insulating property.

The invention provides a composite coating based on waste silicate building glass micro powder and a preparation method thereof, and belongs to the technical field of solid waste recycling and functional materials. The coating is prepared from the following raw materials: 25-45% of waste silicate building glass micro powder, 1-5% of stearic acid, 1-3% of a SiC / CeO2 composite foaming agent, 40-60% of polysiloxane resin, 0.5-2% of a silane coupling agent and 10-25% of an amine curing agent, and is prepared by the following steps: sequentially carrying out acid pickling activation, stearic acid hydrophobic modification and SiC / CeO2 composite foaming agent doping, and then mixing with the polysiloxane resin and the amine curing agent. The coating is prepared by adopting a high-pressure airless spraying and stepped curing process. The coating not only realizes efficient recovery of waste glass resources and reduces the cost, but also has super-hydrophobicity, salt mist resistance, high temperature resistance and wear resistance, the process is compatible with an existing production line, and the coating industry is helped to be promoted to develop in a green, low-carbon and high-performance synergistic direction.

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.

The application discloses a low-temperature curing white glaze for photovoltaic glass and a preparation method thereof. The white glaze is prepared from an acrylic emulsion and a curing agent. The acrylic emulsion is prepared from raw materials including rutile titanium dioxide and cationic acrylic resin emulsion, and the curing agent is prepared from raw materials including silicon dioxide and siloxane resin. The rutile titanium dioxide with high refractive index is used as the main body to improve the reflectivity of the glaze. The cationic acrylic resin emulsion with high hydroxyl value and modified silicon dioxide are used. The hydroxyl groups of the siloxane can react with the hydroxyl groups in the acrylic resin and the hydroxyl groups on the surface of the glass. Meanwhile, the excess hydroxyl groups in the siloxane can condense with each other and fill the gaps in the powder accumulation, so that the compactness of the glaze is improved. The adhesion between the glaze and the glass after curing reaches 0 level. The average reflectivity of the glaze is as high as 86.83% in the wavelength range of 380-1200 nm. Meanwhile, the glaze does not have the phenomena of performance attenuation such as aging and yellowing under the irradiation of sunlight.

The application relates to the technical field of building materials, in particular to high-adhesion anti-aging ceramic tile glue and a preparation method thereof. The high-adhesion anti-aging ceramic tile glue comprises the following components in parts by weight: 10-50 parts of epoxy-functionalized siloxane resin, 40-60 parts of cement, 5-20 parts of hardening agent, 5-10 parts of thickening agent, 1-5 parts of antioxidant and 20-30 parts of filler; the structural formula of the epoxy-functionalized siloxane resin is shown in the description. The ceramic tile glue has excellent adhesion and anti-aging property.

The invention belongs to the technical field of coating preparation, and provides a high-thermal-conductivity radiation refrigeration heat dissipation coating for an LED illumination module and a preparation method of the high-thermal-conductivity radiation refrigeration heat dissipation coating. The preparation method comprises the following steps: firstly, cooperatively coating a hexagonal boron nitride sheet with dopamine and tannic acid, and performing in-situ deposition of zinc oxide to obtain a sheet-shaped heat-conducting filler with low interface thermal resistance; secondly, hydrothermally generating magnesium silicate by utilizing the lignocellulose template, locally carbonizing in a nitrogen atmosphere, and grafting aminopropyl silane to form a heat-conducting framework; ytterbium-doped calcium titanate hollow spheres are prepared through a citric acid complexation method, an aluminum oxide-phosphate double-layer shell is constructed, three kinds of functional particles are dispersed with methyl-phenyl siloxane resin, a coupling agent and a low-volatility solvent at a high speed according to a set proportion, and the high-thermal-conductivity radiation refrigeration heat dissipation coating of the LED illumination module is obtained after vacuum defoaming.

The invention provides an epoxy organic silicon connecting paint suitable for a wide recoating interval and a preparation method thereof, the connecting paint is formed by combining a component A and a component B according to a mass ratio of (10-15): 1, the component A comprises 25-50 parts by mass of epoxy polysiloxane resin, 5-20 parts by mass of flaky mica powder, 10-40 parts by mass of pigment filler, 1-10 parts by mass of an auxiliary agent and 10-30 parts by mass of a solvent, and the component B comprises 50-70 parts by mass of a curing agent and 30-50 parts by mass of a solvent. The hybrid resin has the chemical characteristics of epoxy and organic silicon, and can form chemical bonding with the epoxy primer and generate common capacitance and interpenetration with the organic silicon finish paint respectively, so that firm bridging is realized, the bonding paint prepared by the invention has excellent adhesive force with both the epoxy primer and the organic silicon finish paint, and the bonding effect is good. And more importantly, a recoatable time window can be obviously prolonged. The invention solves the problems of short re-coating interval and insufficient interlayer adhesive force of connecting paint and organic silicon finishing paint in the prior art, and is especially suitable for coating protection of marine facilities such as ships and the like.

The invention provides a release film for a car cover and a preparation method of the release film. The release film for the car cover comprises a PET (Polyethylene Terephthalate) base film layer and a release layer formed by coating a release agent on the PET base film layer, the release agent is prepared from the following raw materials in parts by weight: 80 to 100 parts of siloxane resin A, 20 to 0 part of siloxane resin B, 0.5 to 1.0 part of hydrogen-containing silicone oil, 0.3 to 0.5 part of an epoxy silane coupling agent, 2.0 to 2.5 parts of a platinum complex catalyst and 1200 to 1500 parts of an organic solvent. The release film for the car cover has the advantages of good glue leveling and spreading effects, no shrinkage cavity defect on the glue surface, high residual adhesion rate, small aging release force climbing and stable performance, has good market application prospects, and is suitable for large-scale application in preparation of car cover color changing films and protective films.

A curable siloxane resin composition includes a siloxane resin and a radical initiator. The siloxane resin is obtained through a hydrolytic condensation reaction of a mixture of a trialkoxysilane having an alkenyl group and a dialkoxysilane having at least one aryl group. Thus, the curable siloxane resin composition may form a cured material having suitable characteristics for low dielectric insulation materials of ultra-high frequency / ultra-high speed electronic devices.

The invention relates to the field of polycarbonate materials, in particular to a high-CTI polycarbonate composite material and a preparation method thereof.The polycarbonate composite material is prepared from, by weight, 35%-45% of PC resin, 10%-18% of siloxane PC resin, 10%-12% of polybutylene terephthalate, 0.2%-0.6% of an antioxidant, 0.5%-1% of an ultraviolet absorbent, 0.4%-1% of a flame retardant, 1%-5% of toner and the balance reinforcing filler. The polycarbonate composite material disclosed by the invention is excellent in mechanical property and flame retardant property, has a high CTI (Comparative Tracking Index) value, and has an excellent application prospect in a high-power and high-voltage scene.

A polysiloxane resin coating composition can be applied to a surface of a substrate to form a crack and heat resistant coating. The coating composition may include a polysiloxane resin, a surfactant, and a solvent. The polysiloxane resin may be formed from siloxane monomer units. The polysiloxane resin may include less than 80 mol% of T siloxane monomer units, and less than 1 mol% of M and Q siloxane monomer units, based on a total number of moles of siloxane monomer units in the polysiloxane resin. The ratio of the surfactant to the polysiloxane resin may be from 0.01 to 0.09.

A colored resin composition containing (A) a coloring material and (B) a resin, the resin (B) including (B1) a siloxane resin having a repeating unit represented by formula (1-1) or formula (1-2) and having a double bond equivalent of 100-400 g / eq. (In formulae (1-1) and (1-2), R1 represents an organic group containing a methacryloyl group or an acryloyl group. R represents a hydrogen atom or an alkyl group with a carbon atom number of 1-6. ) The colored resin composition can form a tough film after curing, has excellent heat resistance and chemical resistance, and has strong adhesion to a substrate such as glass. Furthermore, when a colored film formed from a cured product of the colored resin composition of the present invention is used as a colored partition wall, it is possible to prevent the reflection of light on the surface of a display and make it easy to see a screen, i.e., it is excellent in the so-called anti-reflection performance in the visible wavelength region.

The present invention addresses the problem of providing a photosensitive resin composition which, when formed into a cured film, has high transparency and chemical resistance, has low film stress, and has high adhesion to a metal layer containing molybdenum, aluminum, or nickel. In order to solve this problem, a photosensitive resin composition is provided which contains a siloxane resin having a radical-polymerizable group, a metal chelating agent, and a photo-radical polymerization initiator, and in the siloxane resin having a radical-polymerizable group, the amount of the metal chelating agent in the siloxane resin having a radical-polymerizable group is 100 mol% per 100 mol% of all organosilane units, and the amount of the photo-radical polymerization initiator in the siloxane resin having a radical-polymerizable group is 100 mol% per 100 mol% of all organosilane units. The content of an organosilane unit (D unit) represented by (R) 2SiO2 / 2 (R is an organic group) is 30 mol% or more and 85 mol% or less.

The application discloses a fluorine-containing aminopolysiloxane resin and a preparation method and an epoxy resin coating thereof; the fluorine-containing aminopolysiloxane resin is brand-new, can be used as a curing agent of an epoxy resin, and enables the prepared epoxy resin coating to have low-temperature or room-temperature curing capability; meanwhile, the prepared epoxy resin coating also has corrosion resistance, heat resistance, wear resistance and other performances.

The invention provides an FIP conductive adhesive, an EMI shielding gasket and electronic equipment. The FIP conductive adhesive comprises a siloxane resin adhesive containing unsaturated C-C bonds, a cross-linking agent containing silicon-hydrogen bonds, a catalyst, an inhibitor, a coupling agent, a tackifier and conductive filler. Wherein the conductive filler comprises first conductive filler particles and second conductive filler particles, the average particle size of the first conductive filler particles is 50 [mu] m-130 [mu] m, and the average particle size of the second conductive filler particles is 2 [mu] m-40 [mu] m. According to the FIP conductive adhesive provided by the invention, the conductive filler particles with different particle sizes are compounded and matched with other necessary components, so that the reliability of the FIP conductive adhesive can be remarkably improved, and the electromagnetic shielding effectiveness is kept good after multiple times of hot-temperature circulation.

The present application aims to provide a photosensitive resin composition capable of obtaining a cured film having high reliability and excellent bending property, excellent processability of a concave-convex pattern, and sufficient light diffusivity. To achieve the above object, the photosensitive resin composition of the present application comprises (A) a siloxane resin containing at least 20 to 60 mol% of repeating units represented by the following general formula (1) in total, (B) particles having a median particle diameter of 0.2 to 0.6 μm, and (C) a naphthoquinonediazide compound.(R 1 represents an aryl group having 6 to 18 carbon atoms, or an aryl group having 6 to 18 carbon atoms in which all or a part of the hydrogens are substituted.

To provide a cement composition giving a cured product excellent in stability of air content, property of preventing intrusion of substances, drying shrinkage and resistance to freezing and thawing in addition to high strength.SOLUTION: A cement composition comprising microcapsules with a core-shell structure having a core consisting of a water repellent organosilicon material selected from the group consisting of organosilanes, organosilane partial condensates and branched siloxane resins, and a shell of a silicon-based network polymer comprising silica units, and cement, wherein the microcapsules are present in an amount of 0.01 to less than 0.5 parts by weight per 100 parts by weight of cement.SELECTED DRAWING: None

The invention discloses hyperbranched amino polysiloxane resin as well as a preparation method and application thereof in epoxy resin. The structural formula of the hyperbranched amino polysiloxane resin is shown in the specification, wherein R'is alkyl; r ''is aryl; r is alkyl; g is an amino functional group. The hyperbranched amino polysiloxane resin is high in solid content and good in storage stability, the preparation method avoids use of fluorine reagents and reduces addition of chemical reagents, and the obtained hyperbranched amino polysiloxane resin is high in purity, simple in reaction process, economical in raw materials and environmentally friendly. When the coating is applied to epoxy resin, the coating has the characteristics of excellent adhesive force, corrosion resistance, wear resistance and high temperature resistance; when being applied to components such as polyurethane, polyamide and polyimide, the polyurethane resin can greatly improve the performance of polyurethane, polyamide and polyimide. The hyperbranched amino polysiloxane resin is expected to be widely applied to the fields of high-performance coatings, adhesives, composite materials and the like.

Carbon-carbon unsaturated bond containing, halogen containing, and solubility-enhancer containing coatings on semiconductor substrates for forming patterns thereon. The present coatings can be produced by coating of semiconductor substrates with carbon-carbon unsaturated bond-containing, halogen-containing, and solubility-enhancer containing polyhydrogensilsesquioxane resin solutions. Provided herein is also a method for patterning substrate coating of a polyhydrogensilsesquioxane containing a carbon-carbon unsaturated bond, halogen, and solubility-enhancer with radiation of light, the method comprising the steps of irradiating a coated substrate along a selected pattern to form an irradiated structure with a region of irradiated coating and a region with un-irradiated coating and selectively developing the irradiated structure to remove a substantial portion of the un-irradiated coating to form a patterned substrate.

The invention discloses a preparation method of a single-component self-drying siloxane anti-icing super-hydrophobic and super-oleophobic coating, and belongs to the technical field of power transmission line functional coatings. The coating is prepared from the following raw materials in percentage by mass: 10-20% of siloxane resin, 30-40% of hydrophobic modified micro-nano powder, 45-55% of a diluent, 0.1-0.3% of a defoaming agent and 0.3-0.7% of a coupling agent. The hydrophobic modified micro-nano powder is formed by mixing aluminum oxide particles modified by perfluorodecyl trimethoxy silane and tin antimony oxide particles according to a proportion. The preparation method mainly comprises the following steps: respectively preparing two modified particles, mixing to obtain powder, mixing the powder with the resin, the diluent and the like, and grinding. Through a specific formula process, the coating has excellent super-hydrophobic and oleophobic properties, high adhesive force and strong weather resistance, solves the problems of poor mechanical durability and easy aging and shedding of the existing anti-icing coating, and is suitable for icing protection of power transmission lines in sub-cold regions such as high-speed rail power transmission networks and the like.

The invention provides a protective coating for a heat insulation and heat preservation plate as well as a preparation method and application thereof. Comprising inorganic resin, silazane resin, siloxane resin, nano aluminum oxide, mica, nano zirconium oxide and the like. The thermal insulation board coated with the protective coating has the advantages of heat reflection performance, low high-temperature heat conductivity coefficient, high melting point and good blocking property for flame and thermal shock at high temperature of more than 1000 DEG C, and reaches the A1-level fireproof standard.

The present application provides a die attach adhesive for an LED and a preparation method therefor, aiming to solve problems existing in the conventional preparation of die attach adhesives using a vinyl MQ resin as a matrix resin, such as the generation of volatile substances during curing when the resin is dissolved in a solvent, and the undesirable phenomenon of a reduced die shear force or stringing when the resin is dissolved in a low-viscosity small-molecule vinyl silicone oil. The die attach adhesive comprises siloxane resins, a catalyst and a functional additive, wherein the siloxane resins comprise a first siloxane resin, a second siloxane resin and a third siloxane resin, the first siloxane resin comprises a vinyl MQ resin, the second siloxane resin comprises an organohydrogenpolysiloxane resin, and the third siloxane resin comprises a compound represented by formula 1: (A3SiO1 / 2)x(A2ESiO1 / 2)4-xSi, Formula 1 where x is a natural number from 0 to 3, A is selected from C1-C10 alkyl, and E is selected from C1-C10 alkenyl. The die attach adhesive for an LED provided by the present application has good hardness and adhesion, a relatively high die shear force, a moderate viscosity, good operability in a die bonding process, and a low volatility during curing.

The application belongs to the technical field of coating preparation, and provides high-heat-conducting radiation refrigeration heat dissipation coating for LED lighting modules and a preparation method thereof; first, dopamine and tannic acid are used to cooperatively coat hexagonal boron nitride sheets, and zinc oxide is deposited in situ to obtain sheet-shaped heat-conducting fillers with low interface thermal resistance; second, magnesium silicate is hydrothermally generated using a lignocellulose template, is locally carbonized under a nitrogen atmosphere, and is grafted with aminopropyl silane to form a heat-conducting framework; third, gadolinium-doped calcium titanate hollow spheres are prepared by a citric acid complexation method, and an aluminum oxide-phosphate double-shell housing is constructed, and the three kinds of functional particles are high-speed dispersed with methyl-phenyl siloxane resin, a coupling agent and a low-volatile solvent at a predetermined ratio, and are vacuum defoamed to obtain the high-heat-conducting radiation refrigeration heat dissipation coating for LED lighting modules.

The invention belongs to a light-cured organic silicon resin material, and discloses a method for synthesizing UV light-cured trapezoidal tertiary amine polysiloxane resin through autocatalysis, UV light-cured trapezoidal tertiary amine polysiloxane multi-acrylic resin and application of the UV light-cured trapezoidal tertiary amine polysiloxane multi-acrylic resin. The method comprises the following steps: uniformly mixing an amino silane coupling agent containing a tertiary amine group, a phenyl silane coupling agent, an acryloyloxy silane coupling agent and an organic solvent, then adding water, reacting for a period of time, then adding an end-capping reagent, and after the reaction is finished, removing the solvent in the product to obtain the UV light-cured trapezoidal tertiary amine polysiloxane resin. The UV light-cured trapezoidal tertiary amine polysiloxane resin is obtained. And mixing the obtained UV light-cured trapezoidal tertiary amine polysiloxane resin with a multi-acrylic ester to obtain the UV light-cured trapezoidal tertiary amine polysiloxane multi-acrylic resin. The invention provides the simple method for preparing the trapezoidal polysiloxane resin, the addition of a catalyst is not needed, the operations such as washing and filtering are not needed, and the method has a wide application prospect.

The invention provides a double-sided anti-static release film for an OLED (Organic Light Emitting Diode) protective film adhesive, and the double-sided anti-static release film for the OLED protective film adhesive comprises a double-sided anti-static PET (Polyethylene Terephthalate) base film layer and a release layer formed by coating the double-sided anti-static PET base film layer with a release agent, the release agent is prepared from the following raw materials in parts by weight: 93 to 95 parts of polymethylvinyl siloxane resin, 5.0 to 7.0 parts of polydimethylsiloxane with ultrahigh vinyl content, 0.20 to 0.50 part of hydrogen-containing silicone oil, 0.30 to 0.40 part of a silane coupling agent, 2.0 to 5.0 parts of a platinum complex catalyst and 1200 parts of an organic solvent. The double-resistance release film for the OLED protective film adhesive has the advantages of being good in adhesive leveling and spreading effect, free of shrinkage cavity defects on the adhesive surface, high in residual adhesion rate, small in aging release force climbing and stable in performance, and has good market application prospects.

The invention provides a siloxane PC composite material capable of resisting xenon lamp aging discoloration and a preparation method and application thereof.The siloxane PC composite material capable of resisting xenon lamp aging discoloration is prepared from, by weight, 50%-60% of PC resin, 20%-30% of siloxane PC resin, 2%-5% of an antioxidant, 4%-8% of an ultraviolet absorbent, 2%-8% of a flame retardant and 2%-5% of toner. The siloxane PC composite material capable of resisting aging and discoloration of the xenon lamp is applied to shells of household appliances, new energy automobile accessories and the like, can be applied outdoors for a long time, can keep stable color, and has excellent mechanical property, low temperature resistance and thermal stability.