135 results about "Disiloxane" patented technology

The invention discloses a preparation method of an organosilicon anticorrosive coating, and relates to the technical field of coatings. When the organic silicon anticorrosive coating is prepared, firstly, heptamethylcyclotetrasiloxane, N, N-dimethyl vinylamine and 4-(chloromethyl) phenylboronic acid pinacol ester are subjected to a reaction to prepare quaternized cyclotetrasiloxane, then the quaternized cyclotetrasiloxane, octamethylcyclotetrasiloxane and 1, 3-bis (3-aminopropyl) tetramethyldisiloxane are subjected to a reaction to prepare functionalized polysiloxane, and then the functionalized polysiloxane is subjected to a reaction to prepare the organic silicon anticorrosive coating. The preparation method comprises the following steps: reacting titanium dioxide nanosheets, aniline and (3-aminophenyl) phosphonic acid to prepare modified nano titanium dioxide, and finally mixing epoxy resin, functionalized polysiloxane, xylene, the modified nano titanium dioxide and a polyamide curing agent to prepare the organic silicon anticorrosive paint. The prepared organic silicon anticorrosive paint has excellent corrosion resistance, self-repairing performance, flame retardance and antibacterial performance.

Described herein are methods for making alkenyl disiloxanes, comprising combining an alkenyl halosilane with a bis-hydrido terminated alkyl disiloxane and adding the mixture to water, an acidic aqueous solution, or a basic aqueous solution. The ratio of the alkenyl halosilane to the bis-hydrido terminated alkyl disiloxane is about 1:10 to about 10:1. The alkenyl halosilane and bis-hydrido terminated alkyl disiloxane are mixed at about 20° C. to about 45° C. In an example, no organic solvent is present. The reaction product is separated and washed with saturated NaHCO3 solution (e.g., sodium bicarbonate).

The invention discloses a preparation method of alkyl modified silicone oil single-phase immersed coolant and application of the alkyl modified silicone oil single-phase immersed coolant in data center cooling, and belongs to the technical field of coolants.The preparation method comprises the steps that firstly, long-chain alpha olefin is used for modifying tetramethylcyclotetrasiloxane to obtain long-chain alkyl tetramethylcyclotetrasiloxane; then, long-chain alkyl tetramethyl cyclotetrasiloxane and octamethyl cyclotetrasiloxane serve as monomers, modified double-long-chain alkyl tetramethyl disiloxane serves as an end-capping reagent, copolymerization is conducted, and the long-chain alkyl end-capped single-long-chain alkyl monomethyl siloxane / dimethyl siloxane copolymer is obtained. By adopting the method disclosed by the invention, a copolymer product with relatively low steric hindrance can be prepared, a side chain alkyl group and a polymer structure can be accurately regulated and controlled, silicon-hydrogen bonds and olefin are not remained in the obtained product, and the product can be used as a single-phase cooling liquid of an immersed liquid cooling system of a data center to be applied to immersed cooling of the data center and has a wide application prospect.

The invention relates to the technical field of coatings, and discloses a charge transport wear-resistant coating for a photosensitive drum and a preparation method thereof.The charge transport wear-resistant coating for the photosensitive drum comprises a solvent, resin, a charge transport material and carbon nanotube modified silicone oil, and the components are mixed to prepare the charge transport wear-resistant coating for the photosensitive drum. According to the present invention, the electrical property and the wear resistance of the coating material are improved by using the carbon nano-tubes and the quaternary ammonium salt structure contained in the intermediate 3, and the disiloxane structure contained in the intermediate 3 and octamethylcyclotetrasiloxane are subjected to hydrolytic condensation to form the huge cross-linked network structure so as to further improve the wear resistance of the coating material. Then the surface of the photosensitive drum is coated with the coating, the wear resistance can be improved through the coating, the problems that an existing charge transmission coating is poor in wear resistance and the requirement for high wear resistance of the photosensitive drum is difficult to meet are solved, the requirement for high wear resistance of the charge transmission coating can be met, and the service life of the photosensitive drum is prolonged.

Novel compositions and systems for closure of wounds with antimicrobial effectiveness provide devices of improved flexibility and elasticity and are readily applied to wound sites or over wound closure devices. A novel platinum catalyst comprising platinum tetramethyldivinyl disiloxane diethyl maleate complex for use in such compositions provides for rapid curing on topical surfaces such as skin and bonds to such surfaces in about 2-5 minutes.

The invention relates to the field of immersed coolants, and discloses a low-density high-thermal-conductivity composite silicone oil coolant and a preparation method thereof, the method comprises preparation of naphthyl-terminated aryl silicone oil and application of the naphthyl-terminated aryl silicone oil to a base liquid of the silicone oil coolant, and the thermal conductivity of the silicone oil coolant is improved. Dissolving dimethyldichlorosilane in tetrahydrofuran, dropwise adding a naphthalene Grignard reagent into the mixed solution, and after the reaction is finished, carrying out quenching, extraction and other processes to obtain dimethylnaphthalene aryl chlorosilane; adding a potassium carbonate solution into the dimethyl naphthyl aryl chlorosilane, and extracting after reaction to obtain dimethyl-naphthyl siloxane alcohol; adding a tin catalyst into the dimethyl-naphthyl siloxane alcohol, carrying out vacuum reaction, rectifying and purifying to obtain tetramethyl dinaphthyl disiloxane; the naphthyl-terminated aryl silicone oil is prepared by taking DMC as a raw material, KOH potassium as a catalyst and tetramethyl dinaphthyl disiloxane as an end capping agent. The composite silicone oil cooling liquid with low density, high specific heat capacity and stable structure is prepared by stirring, mixing and compounding.

Described herein are methods for making alkenyl disiloxanes, comprising combining an alkenyl halosilane with an alkyl halosilane and adding the mixture to water, an acidic aqueous solution, or a basic aqueous solution. The ratio of the alkenyl halosilane to the alkyl halosilane is about 10:1 to about 1:10. The alkenyl halosilane and the alkyl halosilane are mixed at about 20° C. to about 45° C. The reaction product is separated and washed with saturated alkali carbonate solution.

The invention discloses a preparation method and application of bis (trialkylsilyl) disulfonate, and the preparation method comprises the following steps: (1) soaking a porous carrier material in a mixed salt solution, carrying out heating treatment in an inert atmosphere, cooling, and filtering to obtain a crude product, the mixed salt comprising a magnesium salt and an aluminum salt; (2) adding the crude product into an ammonia water solution for reaction, filtering and drying to obtain a catalyst; (3) reacting a disulfonic acid compound with the dewatered alkyl disiloxane under the action of a catalyst to obtain bis (trialkylsilyl) disulfonate as shown in a formula 1; # imgabs0 # R1-R3 are respectively and independently selected from a C1-C10 alkyl group, a C1-C5 alkyl group substituted by a cyano group or a C1-C5 alkyl group substituted by a C2-C4 alkenyl group, and R4 is selected from a C1-C4 alkyl group. The preparation method provided by the invention is very suitable for large-scale industrial production of bis (trialkylsilyl) disulfonate.

The invention discloses a Karstedt catalyst and a preparation method thereof, and belongs to the technical field of catalysts. The preparation method provided by the invention comprises the following steps: firstly, chloroplatinic acid reacts with three different siloxanes to generate a zero-valent platinum complex, the siloxanes are tetradimethyl vinyl siloxy silane, tetramethyl divinyl disiloxane and 1, 3-dimethyl-1, 1, 3, 3-tetraethylene disiloxane, calcium oxide is added in the reaction to be matched with sodium bicarbonate to neutralize, and then the zero-valent platinum complex is obtained. And after the reaction, reducing residual bivalent platinum by using sodium borohydride, and finally loading by using an SBA15 molecular sieve as a carrier to obtain the finished product Karstedt catalyst. The multi-ligand Karstedt catalyst is formed by combining a tetradentate ligand, a conventional chain ligand and a branched chain polyvinyl ligand, the multi-ligand Karstedt catalyst has high catalytic activity and stability, the loading capacity and the loading binding force are improved through a network architecture of a complex configuration, the dosage of the supported catalyst is reduced, and the cyclic utilization rate is improved.

The invention relates to a 2N type manganese complex and a preparation method thereof, and a preparation method of phenylalkyl disiloxane. The invention discloses a 2N-type manganese complex and a preparation method thereof, and the preparation method comprises the following steps: (1) adding 2-bromo-pyridine, a ligand, potassium carbonate and cuprous iodide into a dimethyl sulfoxide solution, and reacting at 110-130 DEG C for 20-28 hours to obtain an N, N bidentate ligand; the ligand is 1-(pyridine-2-yl)-1H-indole, or 2-(1H-pyrazole-1-yl) pyridine, or 2-(2H-1, 2, 3-triazole-2-yl) pyridine, and the ligand is one or more of 1-(pyridine-2-yl)-1H-indole, 2-(1H-pyrazole-1-yl) pyridine, 2-(2H-1, 2 And (2) dissolving the N, N bidentate ligand and Mn (CO) 5Br in a tetrahydrofuran solution, and reacting at 65-75 DEG C for 10-14 hours to obtain the 2N type manganese complex. According to the 2N-type manganese complex, the preparation method thereof and the preparation method of the phenyl alkyl disiloxane, the 2N-type manganese complex is used as a catalyst for hydrosilylation reaction of pentamethyldisiloxane, styrene and derivatives thereof to prepare the phenyl alkyl disiloxane.

This invention belongs to the field of organic synthesis technology, specifically relating to 1,4-silicon-nitrogen heterocyclic compounds, their synthesis methods, and applications. The synthesis method includes the following steps: using diethyleneamine and disiloxane as substrates and B(C6F5)3 as catalyst, the 1,4-silicon-nitrogen heterocyclic compound is synthesized in solvent one. The reaction formula is as follows: The synthesis method of this invention has advantages over existing technologies, such as safety and environmental friendliness, wide substrate adaptability, low reaction temperature, short reaction time, high yield, fewer by-products, and fewer reaction reagents.

The present application relates to a kind of non-stick ceramic coating, preparation method and its application, the ceramic coating is made by A, B, C three components with 100:60~100:6~16 Weight ratio, by weight parts, the A component is made by the following raw materials mixing dispersion: silica sol 20~79 parts, tetramethyl diphenyl disiloxane 2~20 parts, filler 10~29 parts, temperature-resistant pigment 0~30 parts, water 0~30 parts, dispersing agent 0~10 parts, A component raw material total is 100 weight parts;The B component is by the following raw materials mixing: silane 59~85 parts, silane coupling agent 0-10 parts, silicone oil 1~10 parts, catalyst 0~5 parts, B component raw material total is 60~100 weight parts;The C component is by the following raw materials mixing: solvent 0~15 parts, levelling agent 0~10 parts, defoaming agent 0~5 parts, C component raw material total is 6~16 weight parts.

The invention relates to the technical field of organic silicon leather, in particular to PET organic silicon leather and a production process. The PET organic silicon leather comprises a PET substrate, an organic silicon adhesive and liquid silica gel; the organic silicon adhesive is prepared from the following components in parts by weight: 5 to 10 parts of hydrogen-containing polysiloxane, 3 to 8 parts of vinyl polysiloxane, 2 to 5 parts of dimethyl dichlorosilane, 1 to 3 parts of cyclosiloxane and 0.2 to 0.5 part of a platinum catalyst. The liquid silica gel is prepared from the following components in parts by weight: 5 to 10 parts of a silica polymer consisting of disiloxane, 5 to 10 parts of polyether modified polydimethylsiloxane, 3 to 5 parts of polysiloxane, 2 to 6 parts of triethoxysilane, 0.1 to 0.4 part of a low-boiling-point mixture, 0.08 to 0.16 part of a platinum vulcanizing agent, 0.002 to 0.005 part of a tackifier, 0.002 to 0.005 part of an antistatic agent, 0.01 to 0.03 part of fluff powder, 0.008 to 0.01 part of extinction powder and 0.002 to 0.005 part of a dispersing agent. The PET organic silicon leather provided by the invention is a leather product composed of PET as a substrate and silica gel as a surface layer, and can pass 100 DEG C water boiling for one hundred hours, aging resistance and various environmental protection tests.

The present disclosure provides a sol-gel, and the present disclosure provides a crosslinked siloxane sol-gel. The sol-gel includes a first siloxane unit represented by formula (I): # imgabs0 # wherein X is oxygen, R1 is hydrogen, oxygen, a hydroxyl group or a silane group, R2 is hydrogen, a hydroxyl group or a silane group, each of R3 and R4 is independently a linear or branched C1-20 alkyl group, C1-20 cycloalkyl group, oxysilane group, ether, epoxide, arylalkyl fluoride group, cycloalkyl fluoride group, and aryl fluoride group, and n is 1 to 100. The sol-gel includes a second siloxane unit represented by formula (I), wherein the second siloxane unit is different from the first siloxane unit. The sol-gel includes a hydrophobing agent represented by formula (I), wherein the hydrophobing agent includes at least one alkyl fluoride group.

The present application relates to the technical field of power cable, in particular to a double flame-retardant power cable for fire fighting and a preparation method thereof, which comprises a circular conductor, an insulation shielding layer, a metal layer, a metal armor layer and a polyethylene flame-retardant outer protective layer arranged from inside to outside; the polyethylene flame-retardant outer protective layer is prepared by mixing P / N / S / Si quaternary modified boron nitride flame retardant and linear low-density polyethylene in a mixing mill, heating and melting, and extruding; the preparation of the flame retardant comprises: preparing P / N / S / Si quaternary flame-retardant material by substitution reaction of P / N / S three flame-retardant element modified DOPO containing amine groups and bis(chloropropyl)tetramethyl disiloxane; obtaining P / N / S / Si quaternary modified boron nitride flame retardant by substitution reaction of Cl groups of P / N / S / Si quaternary flame-retardant material and hydroxylated boron nitride; the present application enables the power cable to maintain good flame retardancy under long-term humid heat aging conditions.

The application provides a whisker-based insulating anticorrosive paint and a preparation method thereof, and belongs to the technical field of insulating materials. The insulating anticorrosive paint comprises component A and component B. According to weight parts, component A comprises 60-80 parts of organic silicon modified copolymer, 0.5-2 parts of dispersing agent, 0.5-5 parts of defoaming agent, 0.1-1.0 parts of adhesion promoter, 0.1-1.0 parts of film forming aid, 1-3 parts of rheological aid and 20-40 parts of filler; component B comprises 95-99 parts of curing agent and 1-5 parts of defoaming agent. The boron nitride whisker is hydroxylated and modified and grafted into the long chain structure of tetramethyl dihydroxy disiloxane, and then polymerized with the epoxy resin to obtain the organic silicon copolymer, so that the dispersibility of the boron nitride in the coating system and the flexibility of the coating system are effectively improved. The insulating anticorrosive paint adopts the brushing or spraying mode, and the film thickness can reach the millimeter level in one time, so that the high voltage resistance requirement of the coating is realized.

The invention discloses a water-based zinc-aluminum anticorrosive coating and a preparation method thereof, and relates to the field of coatings. When the water-based zinc-aluminum anticorrosive paint is prepared, zinc-aluminum nanosheets sequentially react with [3-(N, N-dimethylamino) propyl] trimethoxysilane and N-(2-bromoethyl) maleimide to obtain modified zinc-aluminum nanosheets; the preparation method comprises the following steps: polymerizing 2, 4, 6, 8-tetramethylcyclotetrasiloxane and 1, 3-bis (3-hydroxypropyl)-1, 1, 3, 3-tetramethyldisiloxane, and then reacting with perfluorohexyl ethylene to obtain functional polysiloxane; the preparation method comprises the following steps: reacting butanediol, 2, 2 '-bipyridine-5, 5'-dimethanol, 2, 5-furandimethanol, functionalized polysiloxane and p-phenylene diisocyanate to obtain modified polyurethane; and uniformly mixing the modified polyurethane, propylene glycol butyl ether, N-(3-trimethoxysilylpropyl) pyrrole, the modified zinc-aluminum nanosheets, Op-10 and isooctyl alcohol to obtain the water-based zinc-aluminum anticorrosive coating. The water-based zinc-aluminum anticorrosive paint prepared by the invention has excellent corrosion resistance, self-repairability and mildew resistance.

The application discloses a kind of polymer resin for photoresist, negative photoresist and recycling method.The preparation method of polymer resin is: using functional polycarbonate, p-acetyl oxystyrene, initiator, star-shaped RAFT agent to prepare polymer resin.Using 2-benzyl (methyl) amino-9H-thioxanthene-9-ketone, 3-chloropropyl triethoxysilane, potassium carbonate, triethoxysilane compound and 1,1,1,1,3,3,3-hexamethyl disiloxane to prepare photo initiator.Photolithography is compounded by polymer resin, photo initiator and additive, solvent.The negative photoresist has good thermal stability, and can be recycled by specific filter film, and the recovery rate is 79-83%.The application combines chain free volume design and mobility control, and improves the glass transition temperature of material;And photoresist waste liquid can be recycled.The negative photoresist can be used in wafer level advanced packaging, micro-nano processing, high-end optics and other fields.

The present invention relates to the field of IPC C08L69, and more specifically relates to a chemical-resistant polycarbonate composition and a preparation method therefor. The composition includes 15-30 parts of a polycarbonate-polysiloxane copolymer, 50-90 parts of a bisphenol A polycarbonate, 20-40 parts of a polycarbonate master batch, and 0.01-0.1 part of an additive; and the composition includes the polycarbonate-polysiloxane copolymer having a ratio of a polysiloxane block of 15-30 wt %. By adding an organic silicon composition SFR 100, a polycarbonate material can be obviously improved in resistance to corrosion of chemical agents without cracking, which can be applied to medical treatment and electronic equipment. An E value (polymerization unit) is 40-100, and a proportion of the polycarbonate-polysiloxane copolymer in the composition is greater than 17.5 wt %, such that chemical resistance of the composition can be maintained, and a residual elongation at break can be maintained between 80% and 139%.

The invention relates to the technical field of coatings, and discloses a super-hydrophobic coating for stainless steel and a preparation method thereof.The super-hydrophobic coating is obtained by performing esterification polymerization reaction on fluorine-containing diacid monomers and 1, 3-bis (4-hydroxybutyl) tetramethyldisiloxane; a polymer molecular chain of the coating contains a large amount of hydrophobic siloxane, fluorine-containing groups, benzene rings and ester groups, the hydrophobicity of a coating is remarkably improved, unique super-hydrophobicity is presented, meanwhile, siloxane and the benzene rings with high structural stability are contained, the wear resistance of the coating is improved, the retention rate of a water contact angle after friction is high, and the wear resistance is good. A polymer molecular chain of the coating contains a large number of carbamate groups, and forms strong interaction with the surfaces of metals such as stainless steel, so that the adhesion performance between the coating and the stainless steel is improved, and the adhesive force grade reaches grade 1.

The application discloses a polyurethane automobile finish and a preparation method thereof, and relates to the field of automobile finishes. In the preparation of the polyurethane automobile finish, titanium white powder, 3-buten-1, 2-diol and 6-bromo-3-(4-bromophenyl)-2, 4-dihydro-1, 3-benzoxazine are uniformly mixed to prepare modified titanium white powder; microcrystalline cellulose is aldehyde-based after being grafted with n-butyric acid, acetic anhydride and 2-aminopiperazine to obtain modified cellulose; 1, 3, 5, 7-tetramethylcyclotetrasiloxane and vinyl pentamethyl disiloxane are reacted to obtain a single-end vinyl hydrogen-containing silicone oil; acrylic acid, methyl acrylate, hydroxypropyl methacrylate and the single-end vinyl hydrogen-containing silicone oil are copolymerized to obtain modified acrylic resin; and the modified acrylic resin, the modified cellulose, the modified titanium white powder and various additives are uniformly mixed to prepare the polyurethane automobile finish. The polyurethane automobile finish prepared by the application has excellent quick-drying property, impact resistance and anti-aging property.

The application discloses a preparation method of high-temperature-resistant extreme-pressure lubricating oil and relates to the technical field of lubricating materials. The fluorosilicone oil is prepared by using 1,1,3,3-tetrachloro-1,3-diphenyl disiloxane and methyl trifluoropropyl cyclotrisiloxane as raw materials, contains multiple benzene rings and chlorine atoms, can improve the high-temperature resistance and stability of the fluorosilicone oil, can help to form a more stable lubricating film on a friction surface, and can improve the extreme-pressure resistance of the fluorosilicone oil. Then, bentonite and a tungsten diselenide precursor solution are mixed, and the tungsten diselenide is directly prepared on the surface of the bentonite by using an ultrasonic pyrolysis method. The ultrasonic wave makes the tungsten diselenide better combine with active sites on the surface of the bentonite, improves the loading capacity of the tungsten diselenide, reduces the aggregation and loss of the tungsten diselenide additive during use, prolongs the service life of the tungsten diselenide additive, and further improves the high-temperature resistance and extreme-pressure resistance of the system. The prepared lubricating oil has the effects of high-temperature resistance and extreme-pressure resistance.

The invention discloses a semiconductor hydrogen sensor preparation method based on HMDS gas phase heat treatment, which comprises the following steps: mixing an organic silicon precursor with a solvent, then adding nanoscale tin dioxide powder, mixing, fully grinding, then uniformly coating on a sensor substrate, forming a semiconductor hydrogen sensitive layer on the sensor substrate, and then carrying out high-temperature sintering treatment to obtain the semiconductor hydrogen sensor based on HMDS gas phase heat treatment. The preparation method comprises the following steps: adding stannic oxide particles to remove organic components and promote neck connection among the stannic oxide particles to obtain a sensor blank, putting the sensor blank into a quartz tube reactor, introducing hexamethyl disiloxane steam taking high-purity standard air as carrier gas, and carrying out gas-phase heat treatment on a sensitive layer under a heating condition to form a hydrophobic layer on the surface, thereby obtaining the surface-modified hydrogen sensor. Through the synergistic effect of gas phase surface modification and the like, the sensitivity and the response speed of the hydrogen sensor are remarkably improved, the selectivity and the environmental adaptability are enhanced, and the problems of water vapor interference, unstable response and insufficient mechanical strength in the prior art are effectively solved.

The invention discloses a preparation method of high-temperature-resistant extreme-pressure lubricating oil, and relates to the technical field of lubricating materials. According to the invention, 1, 1, 3, 3-tetrachloro-1, 3-diphenyl disiloxane and methyl trifluoropropyl cyclotrisiloxane are used as raw materials to prepare the fluorosilicone oil, and the fluorosilicone oil contains a plurality of benzene rings and chlorine atoms, so that the high temperature resistance and stability of the fluorosilicone oil can be improved, meanwhile, a more stable lubricating film can be formed on a friction surface, and the extreme pressure resistance of the fluorosilicone oil is improved; then bentonite and a tungsten diselenide precursor solution are mixed, tungsten diselenide is directly prepared on the surface of bentonite through an ultrasonic pyrolysis method, tungsten diselenide is better combined with active sites on the surface of bentonite through ultrasonic waves, the loading amount of tungsten diselenide is increased, aggregation and loss of the tungsten diselenide additive in the using process are reduced, and the stability of the tungsten diselenide additive is improved. The service life of the tungsten diselenide additive is prolonged, and the high temperature resistance and the extreme pressure resistance of the system are further improved. The lubricating oil prepared by the invention has the effects of high temperature resistance and extreme pressure resistance.

The invention belongs to the field of high polymer material preparation and application, and provides a high-temperature controllable self-foaming prepolymer containing a disiloxane structure and a use method of the prepolymer, and the foam molecular structure contains an aliphatic carboxyl structure, a crosslinkable aromatic structure and a disiloxane structure. Through optimization and strict definition of a foaming process, the outstanding effects of controllable foaming times and uniform and controllable foam holes are realized, the problems of non-uniform distribution, serious foaming agent residue and the like of a traditional foaming agent type high-temperature foaming material are avoided, and the foaming agent type high-temperature foaming material has a relatively good application value.

The application discloses a wear-resistant, anti-falling and acid-resistant paint and a preparation method thereof, and relates to the technical field of paints. In the application, dopamine is modified by methacryloyl chloride to promote the base to maintain an intact structure in an acidic environment, and the polar groups in the dopamine form Van der Waals force with the surface of the base material, so that the effects of wear resistance, anti-falling and acid resistance are achieved. In addition, m-xylylene diisocyanate is used as a hard segment, D-iditol and 3-aminopropyl pentamethyl disiloxane are used as soft segments, and a network cross-linking structure high polymer is prepared, so that the base is endowed with strong cohesive force, and the wear resistance and anti-falling performance are enhanced. In addition, the phenolic hydroxyl groups in the dopamine and the amino groups in the 3-aminopropyl pentamethyl disiloxane are oxidized and self-polymerized under weak alkaline conditions, so that the base can be attached to almost all substrates. Then, by increasing the content of isocyanate groups in the base, the molecular chain segments are closely packed, so that solvent molecules are difficult to penetrate, and the acid resistance effect is enhanced.

The invention discloses an environment-friendly antibacterial plant-based fabric and a preparation method thereof, and belongs to the technical field of textiles. The environment-friendly antibacterial plant-based fabric is obtained by blending and weaving mint fibers, modal fibers and anti-mosquito linen fibers, the anti-mosquito linen fiber is prepared from the following raw material components: a wormwood extracting solution, modified aluminum nitride, a dispersing agent and linen fiber, wherein the modified aluminum nitride is obtained by coating modified aluminum nitride with a polysiloxane coupling agent; the polysilane coupling agent is obtained by polymerizing furfural disiloxane and hydroxyl polyethylene glycol triethoxy silane; the dispersing agent is obtained by mixing and reacting coconut oil, 3-dimethylaminopropylamine, 2-hydroxy-4-aminoacetophenone and aluminoacetic acid.

An organosiloxane mixture containing hydrolyzable groups, which is based on a specific molecular structure of an organotrisiloxane compound having at least one unsubstituted, halogen-substituted or alkyl-substituted phenyl group in the molecule and at least 4 hydrolyzable groups at both ends of the molecular chain, and an organodisiloxane compound having at least 2 unsubstituted, halogen-substituted or alkyl-substituted phenyl groups on the same silicon atom in the molecule and at least 2 hydrolyzable groups on the other same silicon atom in the molecule, and used in a specific compounding ratio, is used as the main component. The condensation reaction curable organosilicon coating agent composition containing a curing catalyst has excellent storage stability even without an organic solvent, cures rapidly at room temperature after being coated on a substrate, and can form a cured film with excellent transparency, adhesion, etc., excellent followability to bending of the substrate, and having substrate corrosion prevention properties.

This disclosure discloses a semiconductor structure and a method for manufacturing the same. The method includes the following steps: depositing a precursor on a material layer; oxidizing the precursor on the material layer; and subjecting the oxidized precursor to plasma treatment to form a low dielectric constant (low k) dielectric layer. The precursor comprises a disiloxane backbone.