107 results about "Silorane Resins" patented technology

Provided is a curable silicone composition that has excellent curing properties and flow properties when heated and melted, and that enables fine filling, as well as excellent storage stability and thick molding properties, and that forms a hard cured product with low surface tack when cured. A curable silicone composition having hot-melt properties as a whole, comprises: (A) a solid organopolysiloxane resin that contains (A1) an organopolysiloxane resin having a curing reactive functional group and containing 20 mol % or more of a Q unit, and (A2) an organopolysiloxane resin not having a curing reactive functional group and containing 20 mol % or more of a Q unit; (B) 10 to 100 parts by mass of a straight-chain or branched organopolysiloxane having a curing reactive functional group; (C) an organohydrogenpolysiloxane; and (D) particles containing a hydrosilylation reaction catalyst using a thermoplastic resin with a Tg in a range of 110 to 200° C.

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 relates to the technical field of building materials, in particular to high-cohesiveness anti-aging tile glue and a preparation method thereof. The high-cohesiveness anti-aging ceramic tile adhesive is prepared from the following components in parts by weight: 10 to 50 parts of epoxy functional siloxane resin, 40 to 60 parts of cement, 5 to 20 parts of hardening agent, 5 to 10 parts of thickening agent, 1 to 5 parts of antioxidant and 20 to 30 parts of filler, the structural formula of the epoxy functional siloxane resin is as follows: # imgabs0 #. The ceramic tile adhesive has excellent cohesiveness and ageing resistance.

The invention discloses a printing antistatic polyester release film and a preparation method thereof, the release film is composed of a PET base film and a release agent layer firmly combined with the PET base film, the PET base film is formed by blending, melting, extruding and stretching PET particles added with a composite additive, and the release agent layer is formed by curing a release agent; wherein the composite additive is prepared from polyvinylpyrrolidone, graphene oxide, 3-aminopropyl triethoxy silane and polyvinyl butyral. The release agent is prepared from a polydimethylsiloxane-amino siloxane copolymer, fluorosiloxane resin, a quaternary ammonium salt type antistatic agent, isocyanate silane and a mixture of butyl acetate and methylbenzene. The composite additive provided by the invention not only can provide stable antistatic performance when being added, but also can further enhance the printing performance and the surface activity of the PET base film in the subsequent plasma treatment process, so that the composite additive is suitable for applications such as electronic product packaging, labels and the like which have high requirements on static electricity and printing performance.

The invention discloses an organic silicon heat-conducting coating as well as a preparation method and application thereof. The high-temperature-resistant ceramic material is prepared from the following raw materials in parts by weight: 6-10 parts of first vinyl siloxane resin, 2-6 parts of second vinyl siloxane resin, 1-3 parts of hydrogen-containing silicone oil, 6-8 parts of fumed silica, 0.5-0.8 part of a platinum catalyst, 0.8-1.5 parts of a silane coupling agent, 12-25 parts of carbon nanotubes, 20-30 parts of boron nitride and 30-50 parts of aluminum nitride. Wherein the viscosity of the first vinyl siloxane resin is 300 to 800 cps / 25 DEG C; the viscosity of the second vinyl siloxane resin is 2000 to 5000 cps / 25 DEG C; the hydrogen content of the hydrogen-containing silicone oil is 8-12 mmol / g. A coating layer prepared from the organic silicon heat-conducting coating has excellent heat conductivity, adhesive force, boiling resistance and aging resistance, is easy to construct and has a wide application prospect.

According to the surface treating agent for the galvanized steel sheet and the preparation technology of the surface treating agent, in the presence of linear polysiloxane resin and modified nanoparticles, in-situ polymerization of acrylate monomers is carried out, an IPN structure is formed, the compactness of the interior of a composite resin protective film layer is improved, meanwhile, diacetone acrylamide is introduced and subjected to a Schif alkali reaction with primary amine, and therefore the surface treating agent for the galvanized steel sheet is obtained. The composite resin protective film layer has a self-repairing function, and the composite resin protective film layer has excellent mechanical strength, scratch resistance, corrosion resistance, heat resistance and the self-repairing function.

The present invention belongs to the technical field of chemical coatings, and discloses a silicone resin anti-icing coating material and a preparation method thereof. The anti-icing coating material is composed of the following components in terms of mass percentage: 20% - 50% of silicone resin, 15% - 30% of hydrophobic nano-Al(OH)3, 3% - 6% of hydrophobic nano-SiO2, 25% - 45% of diluent, 0.1% - 5% of coupling agent, and 0.7% - 11.5% of auxiliary agent. The preparation method includes: after preparing the hydrophobic nano-Al(OH)3 material, the silicone resin, diluent, hydrophobic nano-Al(OH)3, hydrophobic nano-SiO2, auxiliary agent, and coupling agent are sequentially mixed, dispersed and ground, and then filtered to obtain the anti-icing coating material. During the preparation process of the present invention, heating is not required, which is environmentally friendly and energy-saving. The component ratio is reasonable, the cost is saved, the preparation method is simple, and large-scale production is easy to achieve.

The invention discloses a dynamic cross-linked modified fouling release type marine antifouling paint which is characterized by comprising the following components in parts by weight: 20-50 parts of a component A; 5-10 parts of a component B; 1-4 parts of a component C; wherein the component A comprises hydroxyl-terminated polydimethylsiloxane, an auxiliary agent, a pigment filler and a first solvent; the component B comprises a borate modified curing agent and a second solvent; the component C comprises a catalyst and a third solvent. Based on a modified curing agent with boric acid ester bonds, three-dimensional cross-linking film-forming curing of hydroxyl-terminated polydimethylsiloxane is achieved, the boric acid ester bonds located at three-dimensional cross-linking points are hydrolyzed to release hydrogen bonds, the bonding stability between a coating and an intermediate coat is improved, and the bonding strength between the coating and the intermediate coat is improved. Network chain flexible polysiloxane resin without crosslinking points still endows the coating with excellent low surface energy characteristics, and the antifouling effect of the coating is ensured.

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 invention relates to the technical field of optical resin, and particularly discloses a synthesis process of polysiloxane resin with a low refractive index. The synthesis process comprises the following steps: taking amino double-terminated polydimethylsiloxane and isocyanate as main raw materials, feeding the amino double-terminated polydimethylsiloxane and the isocyanate according to a molar ratio of 1: (1-2), and reacting in an inert gas atmosphere to obtain the low-refractive-index polysiloxane resin. A target product can be obtained through direct reaction in a solvent-free state, the refractive index of the target product is controlled to be 1.41-1.44, the elongation at break can reach 200-400%, and the target product has excellent elasticity; the target product can be directly subjected to subsequent melt extrusion, is more environment-friendly compared with a solvent method, and is more suitable for manufacturing an elastomer multilayer optical film.

The invention provides an LED (light-emitting diode) solid crystal adhesive and a preparation method thereof in order to solve the problems that volatile matters are generated in solvent dissolution and solidification when vinyl MQ resin is used as matrix resin to prepare the solid crystal adhesive in the prior art, or the solid crystal thrust is reduced or wire drawing and other undesirable phenomena occur when low-viscosity small-molecule vinyl silicone oil is used for dissolution. Comprising siloxane resin, a catalyst and a functional aid, the siloxane resin comprises first siloxane resin, second siloxane resin and third siloxane resin, the first siloxane resin comprises vinyl MQ resin, the second siloxane resin comprises organic hydrogen polysiloxane resin, and the third siloxane resin comprises organic hydrogen polysiloxane resin. The third siloxane resin comprises a compound as shown in a formula 1 (A3SiO1 / 2) x (A2ESiO1 / 2) 4-xSi formula 1, and x is a natural number from 0 to 3; a is selected from C1-C10 alkyl groups, and E is selected from C1-C10 alkenyl groups. The solid crystal glue for the LED, provided by the invention, is good in hardness, excellent in cohesiveness, relatively high in solid crystal thrust, moderate in viscosity, good in operability in a solid crystal process and low in volatilization amount during curing.

To provide a moisture absorption film laminate which is photocurable with ultraviolet light to be cured in a short time, and has both excellent antifogging properties and excellent abrasion resistance.SOLUTION: A moisture absorption film laminate has a moisture absorption film formed on the surface of a base material, the moisture absorption film being formed by curing a photocurable resin composition which contains a siloxane resin (A) having a (meth)acryloyl group, three kinds of specific (meth)acrylic monomers (B), (C) and (C), and a photoinitiator, as essential components, where a blending ratio of (A):(B):(C):(D) is 0.1 to 5:35 to 55:0.5 to 10:40 to 60, the (B) is a bifunctional monomer having a hydroxyl group, the (C) is a monofunctional monomer having an ethylene glycol chain, and the (D) is a monofunctional monomer having a hydroxyl group.SELECTED DRAWING: None

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.

Provided is an oily cosmetic that has excellent color retention, has excellent wrinkle covering effect, and is excellent in ease of movement at application sites and uniformity of the formulation.　The present invention can provide an oily cosmetic comprising following components (A) to (E); (A) an oil-soluble (meth)acrylic resin, (B) a silicone resin, (C) an oil phase thickener, (D) a volatile oil agent and (E) a nonvolatile silicone oil that is liquid at 25°C, wherein the mass ratio [(A)+(B)] / (E) of the total content of the component (A) and the component (B) to the component (E) is 0.5 to 2.8.

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 discloses an organosilicone marine antifouling paint with self-adhesion property, which is prepared by the following steps: sequentially carrying out free radical copolymerization and carboxyl and amido reaction through a two-step method to obtain a modified polysiloxane copolymer; and blending the modified polysiloxane copolymer with hydrophobic polysiloxane resin, and carrying out a cross-linking reaction to obtain the organosilicone marine antifouling paint. A large number of dynamic covalent bonds and non-covalent bonds introduced through acrylamide and acrylic acid structures interact to realize hydrogen-bond interaction, high acidity of carboxyl ensures that the hydrogen-bond interaction is more obvious, reduction of hydrogen-bond strength caused by secondary electrostatic repulsion is effectively eliminated, and meanwhile, extra high-density hydrogen-bond sites are realized through introduction of a catechol structure, so that the preparation method is simple and convenient. And the hydrogen-bond interaction is further strengthened to enhance the autohension of the coating. The prepared coating has an excellent bonding effect on various substrates, and meanwhile, the surface of the cured coating prepared by blending and crosslinking is still enriched with a flexible methyl siloxane structure with low surface free energy, so that the coating still keeps an excellent antifouling effect.

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.

The present invention provides a silicone adhesive composition providing an adhesive layer that maintains high adhesive strength and retention power even at high temperatures exceeding 150 °C, as well as an adhesive tape and an adhesive film having an adhesive layer formed from a cured product of the adhesive composition. [Solution] A silicone adhesive composition comprising the following components (A) to (D): (A) 20 to 65 parts by mass of a linear organopolysiloxane having two or more alkenyl groups per molecule and an alkenyl group content of 0.0001 to 0.03 mol / 100 g, (B) 35 to 80 parts by mass of an organopolysiloxane resin having one or more alkenyl groups per molecule and having R33SiO1 / 2 and SiO4 / 2 units in an amount such that a molar ratio of R33SiO1 / 2 units to SiO4 / 2 units is 0.5 to 1.5, wherein R3 is, independently of each other, a substituted or unsubstituted, monovalent hydrocarbon group having 1 to 10 carbon atoms, provided that the total amount of components (A) and (B) is 100 parts by mass,(C) an organohydrogenpolysiloxane having three or more hydrogen atoms each bonded to a silicon atom per molecule, wherein a proportion of a total number of the hydrogen atom bonded to a silicon atom is 20% to 50%, based on the total number of the hydrogen atom and groups bonded to silicon atoms, and an average polymerization degree of the siloxane is 100 or less, in an amount such that a ratio of the total number of SiH groups in component (C) to the total number of alkenyl groups in components (A) and (B) is 0.1 to 2.0, and (D) a catalyst amount of platinum group metal catalyst. Further, the present invention provides a cured product obtained by curing the silicone adhesive composition and an adhesive film or tape having the cured product.

Cosmetic compositions capable of forming a multilayer structure after application to a keratinous material containing a combination of silicone resins are provided, as well as methods of applying such compositions to a keratinous material.

Siloxane-based coating compositions that may be applied to the surface of a substrate, such as an article of cookware or bakeware, to form a durable non-stick coating with extended easy to clean properties. The coating compositions may include a siloxane resin, an organic oil, and a fluoride component such as particles of calcium fluoride (CaF2), magnesium fluoride (MgF2), strontium fluoride (SrF2), and / or barium fluoride (BaF2).