85 results about "Organic Silicon Compounds" patented technology

The invention belongs to the technical field of coatings, and particularly relates to a water-based woodware varnish as well as a preparation method and application thereof. The water-based wood top-coat comprises a water-based emulsion, an organosilicon compound, a functional additive, a thickening agent, a wetting agent and water, the water-based emulsion comprises a self-crosslinking acrylic copolymer emulsion and an emulsion A; the emulsion A is selected from any one of self-crosslinking acrylic acid homopolymerized emulsion and polycarbonate modified polyurethane emulsion; the organosilicon compound comprises at least one of silane and silanol; the functional auxiliary agent comprises any one of a functional auxiliary agent 1 and a functional auxiliary agent 2; the functional additive 1 comprises a mildew preventive A and a mildew preventive B; the functional auxiliary agent 2 comprises a mildew preventive C, an ultraviolet light absorber and an ultraviolet light stabilizer; the thickeners include high shear, medium shear, and low shear polyurethane thickeners. The water-based woodware varnish disclosed by the invention has good comprehensive properties such as mildew resistance, weather resistance, chemical resistance and blocking resistance, and can be used for coating outdoor woodware or semi-outdoor woodware.

Provided is a curing reactive organopolysiloxane composition that forms a pressure-sensitive adhesive layer having excellent curing properties, a wide range of designable viscoelastic properties such as storage elastic modulus (G′) and the like, and practically sufficient pressure-sensitive adhesive strength and tensile adhesive strength. The organopolysiloxane composition comprises: (A) an organopolysiloxane having an alkenyl group; (B) an organopolysiloxane resin with 9 mol % or less of hydroxyl groups or the like relative to all silicon atoms in a molecule or resin mixture thereof; (C) an organohydrogenpolysiloxane; (D) an organic silicon compound having an alkenyl group; and (E) a hydrosilylation reaction catalyst. A ratio (molar ratio) of the substance amount of SiH groups in component (C) relative to the sum of alkenyl groups in components (A), (B) and (D) is 1.0 or more.

The present application relates to the low temperature curing high-strength benzoxazine type silicone adhesive formula and use method, the formula includes the benzoxazine group containing organic silicon compound and organic alkali compound, the mass ratio of benzoxazine group containing organic silicon compound, organic alkali compound is 100:0.1-20.The adhesive of the present application is based on the cooperation between the benzoxazine group containing organic silicon compound and the basic catalyst, can be cured at low temperature, realize the higher strength bonding.The benzoxazine type silicone adhesive formula provided by the present application can be directly used as adhesive, and the bonding strength is high;It can also be used as a basic formula, used as an adhesive after adding other fillers, to meet the different needs of various special occasions.

A rustproofing agent composition according to the present invention has favorable storage stability and comprises an aqueous solution of organic silicon compounds that includes (i), (ii), or both. (i) An organic silicon compound represented by formula (1) and an organic silicon compound represented by formula (2). (ii) A co-condensate of an organic silicon compound represented by formula (1) and an organic silicon compound represented by formula (2). (In the formulas, the R1's each independently represent a hydrogen atom, a C1–10 alkyl group, or a C6–10 aryl group, the R2's each independently represent a C1–10 alkyl group or a C6–10 aryl group, X represents a monovalent group that includes a nitrogen-containing heterocycle, the m's are each independently an integer from 1 to 20, inclusive, the n's are each independently an integer from 1 to 3, inclusive, p is an integer from 1 to 10, inclusive, and q is an integer from 0 to 5, inclusive.)

The application provides an alkali-activated cementitious composition and applications thereof. The alkali-activated cementitious composition of the application comprises a cementitious material, an alkali-activator and a retarder, wherein the retarder comprises one or more of the organic silicon compounds represented by the following formulae I-1 to I-4. The alkali-activated cementitious material prepared from the alkali-activated cementitious composition of the application not only has suitable initial and final setting times, but also has a higher compressive strength.

The invention relates to the technical field of organosilicon chemistry, in particular to a preparation method of a phenyltrimethoxysilane oligomer. According to the method, a photooxidation reduction catalytic system is adopted, a hydrolytic condensation reaction is carried out under the irradiation of visible light, the ratio of M / T substance amount is controlled, a proton coupling electron transfer mechanism is adopted to activate silane bonds, and an acid-base catalyst does not need to be additionally added. Efficient synthesis is realized in a continuous flow microchannel reactor by introducing innovative components such as a cyanoalkyl silane end-capping reagent, an organic titanium prepolymer catalyst and polyhedral oligomeric silsesquioxane. The obtained oligomer has a controllable molecular structure and excellent performance, the methoxy residual quantity is lower than 0.3%, the yield reaches 90% or above, the viscosity is controlled to be 18-25 mm < 2 > / s, the refractive index is 1.460-1.465, and the oligomer has the reversible crosslinking characteristic and is suitable for high-end cosmetics and electronic packaging materials.

The invention relates to the technical field of foam control, in particular to a high-efficiency emulsion defoaming agent as well as a preparation method and application thereof. 2.3 to 3.5 parts of hydrophobic silicon dioxide; 57 to 66 parts of polyether; 13 to 18 parts of an emulsifier; 4.5 to 6 parts of a thickening agent; 0.7-1 part of a bactericide; 1-2 parts of a stabilizer; 220 to 265 parts of deionized water; wherein the organic silicon compound comprises high-hydroxyl silicone oil A and modified hydroxyl silicone oil B, the high-hydroxyl silicone oil A is relatively strong in hydrophilicity and can rapidly cover the foam surface and reduce the surface tension of foam so as to realize rapid defoaming, the modified hydroxyl silicone oil B with relatively strong hydrophobicity can effectively prolong the foam inhibition time, and the high-hydroxyl silicone oil A and the modified hydroxyl silicone oil B have a synergistic effect, so that the foam inhibition effect is improved. Excellent defoaming and foam inhibition effects are shown; the defoaming agent obtained in the invention has excellent defoaming and foam inhibition properties, and also has good high temperature resistance and shear resistance.

The application provides a composite film, a packaging material containing the composite film, a packaging method and application thereof, and the composite film comprises a heat-seal anti-adhesion layer; the heat-seal anti-adhesion layer comprises an anti-adhesion material, an inorganic filler A, a polyolefin A and an ultra-high molecular weight polyethylene; and the anti-adhesion material comprises an organic silicon compound. The composite film effectively improves the anti-adhesion performance of the inner layer of the composite film to candies or other foods by designing a heat-seal anti-adhesion layer. The composite film has good tearing performance when used for packaging candies or other foods, and the candies or other foods remain intact without obvious damage after being torn open.

A hydrophilic composition that includes at least one of an organic silicon compound represented by formula (1), a condensate of an organic silicon compound represented by formula (1), and the product of reacting an organic silicon compound represented by formula (1) and metal oxide particles makes it possible to obtain a hydrophilic coating film that has excellent durability. (In the formula, the R1s each independently represent a hydrogen atom, a C1–10 alkyl group, or a C6–10 aryl group, the R2s each independently represent a C1–10 alkyl group or a C6–10 aryl group, X represents a hydrogen atom, a k-valent metal cation, or an ammonium cation, k is 1 or 2, provided that k is 1 when X is a hydrogen atom or an ammonium cation, m is an integer from 1 to 10, inclusive, and n is an integer from 1 to 3, inclusive.)

The present invention is an ultraviolet-curable silicone composition containing the following components (A)-(D). (A) an organopolysiloxane resin having, as constituent units, a unit represented by formula (1) below, an R1 3SiO1 / 2 unit, an R1 2SiO2 / 2 unit, and an SiO4 / 2unit, wherein 5% or more of the total number of monovalent organic groups bonded to silicon atoms are aryl groups; (B) an organic silicon compound having two or more hydrogen atoms bonded to the silicon atoms in one molecule and having an acryloyloxyalkyl group, a methacryloyloxyalkyl group, an acryloyloxyalkyloxy group, or a methacryloyloxyalkyloxy group bonded to a silicon atom; (C) a photoactive platinum complex catalyst; and (D) a photopolymerization initiator. As a result, the present invention provides an ultraviolet-curable silicone composition that can be cured by ultraviolet irradiation without requiring a heating step in the atmosphere, and that provides a cured product having good adhesive strength.

The invention relates to a high-viscosity organic silicon emulsifier as well as a preparation method and application thereof, and relates to the technical field of organic silicon chemicals. A preparation method of a high-viscosity organosilicon emulsifier comprises the following steps: S1, hydrosilylation reaction: stirring and mixing low-hydrogen silicone oil, allyl polyether and a platinum catalyst, heating to a preset temperature, and fully reacting until the detected viscosity is 5000-10000 CP to obtain an intermediate product; wherein the ratio of the mole number of silicon-hydrogen bonds in the low-hydrogen silicone oil to the mole number of allyl double bonds in the allyl polyether is 1: (0.5-0.8); s2, cross-linking reaction: adding TMPTA / AMA or TMPME into the intermediate product, maintaining the preset temperature, stirring and mixing until the detected viscosity reaches 15000 CP or above, and cooling to obtain the organic silicon emulsifier. The organic silicon emulsifier can efficiently emulsify high-viscosity polysiloxane and can form a stable emulsion.

A chip module having a contact surface for contact-based communication with a reader, where the contact surface includes a metal, and a coating of the contact surface with a double layer composed of a lower layer of an organic silicon compound and / or a carbon compound and an upper layer of silicon oxide, wherein the double layer has a thickness that has an electrical surface contact resistance of not more than 500 mO according to ISO 7810 when measured in accordance with ISO 10373-1.

The invention belongs to the technical field of organic silicon chemistry and surfactants, and provides anionic silicon resin as well as a preparation method and application thereof in order to solve the problem that a traditional organic silicon surfactant is mainly non-ionic and is easy to hydrolyze. (Me3SiO0.5) a (R2Me2SiO0.5) b (Me2SiO) c (R2MeSiO) d (MeSiO1.5) e (R2SiO1.5) f (SiO2) g, in which a is 4 to 20, b is 0 to 15, c is 2 to 30, d is 0 to 15, e is 4 to 25, and f is 6 to 20; g is 20 to 50; r2 is (CH2) n + 1S (CH2) m + 3R1M, and R1 is SO3 <->, PO32 <-> or COO <->; m is Na < + >, K < + > or NH4 < + >; n = 0 or 2; and m = 0-9. The silicon resin is prepared by sulfydryl-alkene reaction, and has the core of silicon resin and excellent surface activity.

The invention belongs to the field of composite materials and furniture building materials, and relates to a fiber gel material composite board. The A-grade fireproof fiber gel material composite board is prepared by the following method: step S1, fiber surface fire-resistant modification treatment: putting fibers into a composite modification treatment solution containing an organic silicon compound and an inorganic silicon compound for dipping or spraying treatment, and then drying and curing; step S2, dry mixing: uniformly mixing the surface fire-resistant modified fiber obtained in the step S1 with a gel material in a dry state to form a dry mixture; step S3, wet mixing and homogenization: adding water into the dry mixed material in the step S2, so that the cement paste uniformly wraps the surfaces of a large number of modified fibers; s4, paving and high-pressure compression molding: uniformly paving the mixture into a mold, and performing compression molding; and S5, curing is conducted, the cement is fully hydrated and cured, and the revolutionary furniture base material which is light in weight, tough and good in machinability and has the A-level non-combustible, waterproof and damp-proof functions is obtained.

The utility model relates to the technical field of production of organic silicon compounds, in particular to automatic filtering and drying equipment for phenyl trichlorosilane. The phenyl trichlorosilane automatic filtering and drying equipment comprises a shell, a feeding barrel, a filtering chamber, a filtering net, an electromagnetic valve II, a drying chamber, a heating pipe, a discharging opening and a controller, a support is arranged outside the drying chamber and serves as a main support of the equipment, and the heating pipe is connected to the inner side of the drying chamber. By arranging the filter frame in the feeding barrel, most solid impurities can be removed firstly, then secondary filtering is conducted through the filter screen in the filter chamber, meanwhile, raw materials on the filter screen are extruded through the pressing plate, the filtering speed is increased, the solid impurities are prevented from penetrating through the filter screen through the design of the through holes, and the filtering efficiency and quality are improved; the backflow pipe, the liquid pump I and the electromagnetic valve I are arranged, so that the filtered raw materials can be filtered twice or even multiple times, and the filtering effect is further guaranteed.

The invention discloses a method for preparing a long-side-chain terpolymer by using an expired drug, which comprises the following steps: S1, mixing an expired organic acid drug containing a benzene ring with a solvent 1, adding a catalyst, stirring, heating, adding an expired vitamin D drug, carrying out reflux reaction after adding, and carrying out post-treatment to obtain modified vitamin D ester; and S2, dissolving a polyether compound in a solvent 2 as a kettle base solution, dissolving an unsaturated organosilicon compound as a material A, dissolving an oxidizing agent in the solvent 2 as a material B, heating the kettle base solution, adding the modified vitamin D ester and a chain transfer agent, simultaneously dropwise adding the material A and the material B, and after dropwise adding, carrying out heat preservation and curing to obtain the long-side-chain ternary polymerization compound. According to the invention, expired drugs are used as raw materials to realize resource utilization of wastes, a benzene ring rigid structure, hydrolysable ester groups, polyether long side chains and bondable siloxane groups are introduced into the prepared copolymer, and when the copolymer is compounded with a polycarboxylic acid water reducer for use, the initial dispersity and long-term slump retaining performance of concrete can be remarkably improved through multiple synergistic effects.

The invention relates to the technical field of organosilicon chemistry, and particularly discloses a synthesis method of chloromethyl phenethyl trichlorosilane. The preparation method specifically comprises the following steps: fully mixing trichlorosilane, chloropropene and chloromethyl styrene to obtain a mixed raw material; the preparation method comprises the following steps: mixing the raw materials in a reaction kettle, then introducing 9-11wt% of the mixed raw materials into the reaction kettle, then adding a platinum catalyst and an organic amine regulating agent, uniformly dispersing, then heating, dropwise adding the residual mixed raw materials into a reaction system, after dropwise adding, continuing to react for 2-4 hours, and finally sequentially cooling and rectifying to obtain a target product. According to the method disclosed by the invention, efficient conversion under a mild reaction condition is innovatively realized; the atom economy is excellent, the target product yield is remarkably improved, the whole technological process is stable, safe and controllable, the operation parameter window is wide, the adaptability is high, and outstanding industrial application potential and economic benefits are shown.

A chip module (101) is provided. The chip module (101) has a contact surface (102) for contact-based communication with a reader, wherein the contact surface (102) is made of a metal, and the contact surface (102) is coated with a double layer (104) consisting of a lower layer (104u) of an organic silicon compound and / or a carbon compound and an upper layer (104o) of silicon oxide, wherein the double layer (104) has a thickness that provides an electrical surface contact resistance of at most 500 mΩ according to ISO 7810 when measured according to ISO 10373-1.

An organic silicon compound having a ketimine structure can be recovered at a high yield through a method for producing an organic silicon compound having a ketimine structure represented by formula (1), the method having a step for reacting an amino-group-containing organic silicon compound represented by formula (2) and a carbonyl compound represented by formula (3) in the presence of an inorganic adsorbent.(In the formulas, R1 each independently represent a C1-10 alkyl group or a C6-10 aryl group, R2 each independently represent a C1-10 alkyl group or a C6-10 aryl group, R3 and R4 each independently represent a hydrogen atom, a C1-10 alkyl group, or a C6-10 aryl group, n represents an integer of 1-3, and m represents an integer of 1-12.)(In the formulas, R1-R4, n, and m are the same as above.)

The application relates to a high-heat-flow-resistant flexible heat insulation material and a preparation method thereof, and relates to the field of heat insulation materials. The application adopts a coating combined with a calendering method to prepare an organic silicon compound of a mixed special functional additive on the surface of a high-temperature-resistant fiber cloth to form a hot surface layer flexible composite material. The hot surface layer material has large deformation capacity and high bearing capacity, can take away part of heat through ablation under high heat flow / high temperature, reduces the heat entering the material interior, improves the heat insulation effect, and has good waterproof performance. The special functional additive has high temperature resistance and low thermal conductivity, and can form a pinning effect to produce a thermal blocking effect on external heating. The inner layer is designed as a multi-layer flexible heat insulation material with high temperature resistance and different components, and the heat insulation effect can be further improved. Several layers are combined to obtain the high-heat-flow-resistant flexible heat insulation material through integrated forming.

Provided are: a dental curable composition that contains a radically polymerizable monomer component (A), an inorganic powder / granules (B), and a polymerization initiator (C), the dental curable composition having paste characteristics such as the viscosity decreasing greatly when the composition is heated from room temperature to 42°C, which is thought not to damage dental pulp cells; and a method for producing the dental curable composition. The dental curable composition contains 120-300 parts by mass of an inorganic powder / granules (B1) per 100 parts by mass of (A), in which the amount of monomers having a urethane group is 50 mass% or greater and the amount of monomers having an aromatic ring is less than 30 mass%. In the dental curable composition, (B1) is dispersed in (A) so that the surface of (B1) is in contact with (a1). (B) includes (B1), (B1) being obtained by surface treating the surface of (b1), which has a primary particle size of 200-1000 nm, using a silane coupling agent (D) containing a given proportion of an organic silicon compound "that is a monovalent organic group having an aromatic ring, does not contain any amino groups, and either does not contain any imino groups or hydroxyl groups or contains one of an imino group or a hydroxyl group," such as N-phenyl-3-aminopropyltrimethoxysilane.

The invention belongs to the technical field of organic chemical synthesis, and discloses a synthesis method of an organosilicon compound. According to the invention, successful synthesis of the 1, 3-site double-silicon compound from acrylonitrile, chlorosilane and alkyl bromide at room temperature is realized for the first time, and the blank in the prior art is filled. The method provided by the invention has the advantages of mild process conditions, short flow, simple steps and wide substrate applicability, and meets industrial production requirements. Research finds that the yield of the product can reach 85%, and the generated alkyl silicon compound has wide application prospects in organic synthesis and drug research and development. Therefore, the method has important application value.

The invention discloses a liquid for circulating cooling of semiconductor etching equipment, which comprises at least one organic silicon compound, the chemical formula of the organic silicon compound is (R1) 3Si-[OSiR2R3] n-OSi (R4) 3, R1, R2, R3 and R4 are respectively and independently selected from alkyl or alkoxy groups, n is more than or equal to 2 and less than or equal to 5, and n is more than or equal to 2 and less than or equal to 5. And the relative dielectric constant epsilon r, the volume resistivity rho r, the dynamic viscosity mu and the density rho g of the cooling liquid meet the following relational expression: 3log rho r-epsilon r (mu / rho g) is greater than or equal to 28 and less than or equal to 32. The liquid for circulating cooling of the semiconductor etching equipment not only has better heat exchange performance, but also can meet the requirement of the semiconductor equipment on the electrical performance of the cooling liquid, has better heat stability, is not easy to evaporate, and is friendly and safe to the environment and workers.

The application relates to the technical field of electronic paste, and discloses a water-based copper composite conductive paste and a preparation method thereof. The water-based copper composite conductive paste contains the following components in mass fraction: a composite conductive phase 55-70%, a bonding phase 1-10%, potassium-based montmorillonite 1-10%, carboxymethyl cellulose 0.2-2.5%, a siliconizing agent 0.5-6%, a mineralizing agent 0.1-1%, polydimethylsiloxane 0.5-6%, a surfactant 0.3-3% and water 15-30%. The siliconizing agent is an organic silicon monomer and / or an organic silicon compound; and the composite conductive phase contains copper powder and a conductive reinforcing phase. The conductive paste uses water as a solvent, is green, environment-friendly and low in cost, only produces water vapor after solidification and sintering, and is discharged into the air through a pipeline without generating other toxic and harmful gases, thus not causing harm to the environment and not having negative effects on human health. Meanwhile, through the joint action of the raw material components, the obtained conductive paste has good oxidation resistance, suspension stability, rheological property, high-temperature stability and conductive performance, can be solidified at a low temperature, and can be used at a high temperature.

An organic silicon compound represented by the following formula (1). (R 1 is an alkyl group, an alkenyl group, an aryl group or an acyl group, R 2 is an alkyl group or an aryl group, R 3 is a hydrogen atom or a methyl group, A 1 is a single bond or an alkylene group, A 2 , A 3 , A 4 is a methylene group or an oxygen atom, however, A 2 , A 3 and A 4 one or more of A to A are oxygen atoms, and n is an integer of 1 to 3.)

The invention relates to a method for rectifying and purifying heptamethyltrisiloxane, which is applied to the technical field of organic silicon compound purification and comprises the following core steps of: introducing a crude product subjected to catalytic equilibrium into a heavy component removal tower, rectifying under the conditions that the pressure is-0.08 to-0.095 MPa and the reflux ratio is (8: 1)-(20: 1), and extracting a high-purity M3Q product from a side line in the middle of a tower body; introducing the heavy components in the tower kettle into a reactor filled with a Zn < 2 + > modified acidic carclazyte catalyst for cracking; the dynamic viscosity is monitored on line in real time on a pipeline for conveying heavy components, and the cracking temperature is dynamically fed back and adjusted based on the viscosity change, so that intelligent control is realized; and returning a balanced mixture obtained by cracking to the feeding end of the rectifying tower to form a closed loop. According to the method disclosed by the invention, the industrial problems of low product purity, low yield and unstable operation are solved through the cooperation of side line rectification, directional cracking and intelligent viscosity control, and the industrial stable production of heptamethyltrisiloxane with the purity of more than or equal to 99.8% and the total yield of more than or equal to 85% is realized.

The invention discloses a refractive and transparent raw material based on siloxane compounding and a preparation method of the refractive and transparent raw material. Comprising phenyl polytrimethylsiloxane, a VP / eicosene copolymer, diphenyl polydimethylsiloxane, hydrogenated polyisobutene, trimethyl pentaphenyl trisiloxane, trimethyl silane oxygen phenyl polydimethylsiloxane, a VP / hexadecene copolymer, polyisobutene and diisostearyl malate. According to the invention, a unique refraction system can be formed in lip and base products by reasonably proportioning a plurality of organosilicon compounds and copolymers with different refraction characteristics. The components can scatter and reflect light from multiple angles, so that the skin and the lips present natural, soft and layered gloss, and the refraction and transparency effects of the product are remarkably improved.

This invention provides a surface-treated steel material having high corrosion resistance and a low sliding coefficient. The present invention relates to a surface-treated steel material in which a steel material, a plating layer containing Zn, and a film are arranged in this order. The film contains trivalent Cr and an organic silicon compound, and the trivalent Cr concentration in the film is 0.30 mass% to 15.0 mass%.

The application belongs to the technical field of organic silicon chemical synthesis, and relates to a preparation method of 1,3-dimethoxy-1,1,3,3-tetramethyldisiloxane. The method uses alkoxysilane monomer and polysiloxane as raw materials, and under the action of a catalyst, is reacted at 60-80 DEG C for 1-3 h, then is subjected to rectification separation after temperature rising, after recovery of low-boiling-point raw materials, a stable distillate at 138-140 DEG C is received under a reflux ratio of 3-6:1, and the product is obtained; the alkoxysilane monomer comprises dimethyldimethoxysilane, the low-boiling-point raw material is dimethyldimethoxysilane, and the polysiloxane comprises oligomeric dimethylsiloxane. The method is a reaction rectification one-step method, the steps are simple, no solvent is needed, the raw materials are low in price, widely sourced, and do not need to use expensive noble metal catalysts, and the specific proton acid and Lewis acid are combined to catalyze the rearrangement reaction, the product is easy to separate, the yield is high, and the method is convenient for popularization and application.

The invention discloses a waterborne two-component polyurethane coating as well as a preparation method and application thereof. The coating comprises a component A and a component B, the component A is prepared from the following raw materials: organic silicon modified hydroxy acrylic dispersion, anti-rust pigment and water; the component B comprises the following raw materials: an organic silicon modified isocyanate curing agent; the organic silicon modified hydroxyl acrylic acid dispersion is obtained by modifying fluorine modified hydroxyl acrylic acid dispersion with an organic silicon compound; the organic silicon compound is prepared from gamma-methacryloyloxy propyl trimethoxy silane and gamma-glycidyl ether oxypropyl trimethoxy silane, and the organic silicon compound is prepared from gamma-methacryloyloxy propyl trimethoxy silane and gamma-glycidyl ether oxypropyl trimethoxy silane; the anti-rust pigment comprises a calcium ion exchange type anti-rust pigment, aluminum triphosphate and composite ferrotitanium powder. According to the invention, the organic silicon modified hydroxy acrylic acid dispersoid is combined with the compounded calcium ion exchange type antirust pigment, aluminum triphosphate and composite iron-titanium powder system and the organic silicon modified isocyanate, so that the heat resistance, weather resistance, water resistance and neutral salt mist resistance of the coating can be effectively improved.