70 results about "Disiloxane" patented technology

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.

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 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 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 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 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.

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.

The invention relates to a method for preparing double-terminal alkylene disiloxane through a chlorosilane condensation / nucleophilic substitution reaction method, and belongs to the technical field of functional organosilicon compound preparation. The method comprises the following steps: by taking alkyl dichlorosilane as a raw material, carrying out condensation reaction on the alkyl dichlorosilane and a metal oxide in an organic solvent to obtain alkyl dichlorosiloxane; and further performing nucleophilic substitution reaction on the alkyl dichlorosiloxane and a Grignard reagent containing alkylene to obtain the double-terminal alkylene disiloxane. The raw material alkyl dichlorosilane adopted by the invention is a main product of an organic chlorosilane industrial production device, the raw material is abundant, and the raw material source is wide. Compared with a technical route taking vinyl chlorosilane as a raw material in the prior art, the method is more suitable for industrial application.

The invention belongs to the field of organic chemistry, and discloses a synthetic method of dimethyl tetravinyl disiloxane. The method comprises the following steps: by taking methyl vinyl dialkoxy silane and vinyl magnesium chloride as raw materials, reacting to synthesize methyl divinyl alkoxy silane, and then carrying out hydrolytic condensation reaction under an acidic or alkaline condition to prepare a crude product; and finally, through a vacuum distillation process, dimethyl tetravinyl disiloxane with the content of more than 96% can be obtained. The preparation method for synthesizing dimethyl tetravinyl disiloxane through a simple reaction and a hydrolytic condensation reaction is provided for the first time, the technological process is simple, and basic conditions for achieving industrial production are provided.

A catalyst for siloxane crosslinking is formed by treating tetramethyldivinyldisiloxane platinum with vinyl acetate for three hours or more to form tetramethyldivinyldisiloxane vinyl acetate platinum. The low-temperature curable liquid silicone rubber comprises polydimethylsiloxane; a cross-linking agent; a tetramethyl divinyl disiloxane vinyl acetate platinum catalyst; and a surface-treated silica filler.

The present application relates to the technical field of fabric, and discloses a cool and comfortable fabric with antistatic property and a preparation method thereof, wherein pentanedioic acid (glycine), 1,3-bis(3-glycidyl ether oxypropyl) tetramethyl disiloxane and epichlorohydrin are reacted to obtain an epoxy quaternary ammonium finishing agent, and cotton fabric is finished to obtain the cool and comfortable fabric with antistatic property. The epoxy quaternary ammonium finishing agent contains a flexible siloxane structure, which can improve the softness and wrinkle resistance of the cotton fabric. Meanwhile, the epoxy quaternary ammonium finishing agent contains quaternary ammonium salt and carboxyl hydrophilic groups, so that the cotton fabric has good hydrophilicity and cool feeling. The epoxy quaternary ammonium finishing agent contains quaternary ammonium salt cations, which can increase the conductivity of the surface of the cotton fabric and reduce the surface resistivity, thereby improving the antistatic property. Moreover, after multiple washes, the cotton fabric still has good softness, wrinkle resistance and antistatic property.

The invention discloses a bio-based epoxy resin coating and a preparation method thereof, and belongs to the technical field of coatings. The bio-based epoxy resin coating comprises a component A and a component B. The component A comprises the following components in parts by mass: 60-65 parts of epoxy resin, 25-30 parts of pigment, 0.1-0.3 part of a defoaming agent, 0.1-0.3 part of a flatting agent, 10-20 parts of a solvent and 0.2-0.4 part of a dispersing agent; the component B comprises 42-44 parts by mass of a bio-based polyamide curing agent and 16-18 parts by mass of a composite filler; wherein the composite filler is obtained by wrapping nano silicon dioxide with organic silicon polyamide; the organic silicon polyamide is obtained by carrying out reaction on fumaropimaric acid, tetramethyl tetraaminopropyl cyclotetrasiloxane and diamine; the bio-based polyamide curing agent is obtained by carrying out a composite reaction on rosin diacid, 1, 3-bis (3-aminopropyl)-1, 1, 3, 3-tetramethyldisiloxane and diamine; the rosin diacid is prepared from rosin, allyl-1, 3-sultone and 1-methyl-L-histidine Schiff base, and the rosin diacid is prepared from rosin, allyl-1, 3-sultone and 1-methyl-L-histidine

This product provides a water-in-oil emulsion cosmetic that does not slip during application, forms a uniform cosmetic film, and exhibits excellent emulsification stability. [Solution] The following components (A) to (E); (A) Volatile hydrocarbon oils (B) One or more selected from dimethylpolysiloxane and disiloxane (C) Ethanol (D) Metal oxides (E) Nonionic surfactants (F)Water An oil-in-oil emulsion cosmetic containing the following, wherein the mass ratio of component (A) to component (B) is (A) / (B) = 0.1 to 10.

The invention belongs to the technical field of inorganic fillers, and particularly relates to a spherical silicon dioxide and aluminum oxide composite filler for a high-performance electronic packaging material, which comprises 50-70 parts of modified polysiloxane surface modified spherical silicon dioxide and 10-30 parts of modified polysiloxane surface modified spherical aluminum oxide, the modified polysiloxane is prepared by carrying out linear polymerization on disiloxane with rigid planar carbazole, octamethylcyclotetrasiloxane, tetramethylcyclotetrasiloxane and 1, 1, 3, 3-tetramethyldisiloxane, and then carrying out hydrosilylation on the obtained product through a modification accelerator and vinyl dimethyl ethyoxyl silane; the large-particle-size spherical aluminum oxide and the small-particle-size spherical silicon dioxide are compounded, so that the stacking compactness is improved; a three-dimensional compact structure is constructed by cooperation of the modified polysiloxane and rigid-flexible modified polysiloxane on the surface of the grafted filler through an inter-chain acting force, so that the packaging material is endowed with excellent heat resistance, low thermal expansion coefficient, impact toughness, thermal conductivity and adhesive property.

The invention relates to a graphene oxide reinforced polyester fiber and a preparation method thereof, and belongs to the technical field of polyester fibers. The graphene oxide enhanced polyester fiber is prepared from polyester chips and coated graphene oxide through mixing, extrusion granulation and melt spinning. The coated graphene oxide is obtained by sequentially carrying out coating of polydopamine, ring-opening addition of double-end epoxy organic silicon and grafting of aniline / para aminobenzoic acid on graphene oxide, and the double-end epoxy organic silicon is prepared by carrying out hydrosilylation on allyl glycidyl ether and tetramethyl dihydrodisiloxane; the coated graphene oxide can be uniformly dispersed in the polyester fiber and is not easy to separate out, correspondingly, the prepared graphene oxide enhanced polyester fiber has higher breaking strength, and the breaking strength of the polyester fiber can still be kept at a higher value even after multiple times of washing.

The invention belongs to the technical field of cables, and particularly relates to a polyvinyl chloride fire-resistant power cable and a preparation method thereof. And extruding and granulating the premix to obtain the polyvinyl chloride fire-resistant power cable material. The preparation method of the hybrid modified bisphenol A epoxy resin comprises the following steps: carrying out phosphate esterification reaction on phosphorus trichloride, 3-(vinyloxy) benzene-1, 2-diol and an acid-binding agent to obtain a flame retardant; performing Claisen rearrangement on the flame retardant to obtain a flame retardant precursor, and finally performing addition reaction on the flame retardant precursor and 1, 3-bis (aminopropyl) tetramethyldisiloxane to obtain the heat-stable flame retardant. The preparation method comprises the following steps: pre-curing hybrid bisphenol A epoxy resin with a heat-stable flame retardant, an antioxidant, phthalic anhydride and tetrabutyl titanate under a vacuum condition to obtain hybrid modified bisphenol A epoxy resin; the cable material disclosed by the invention can effectively improve the flame retardance, heat resistance, toughness and interface bonding capacity of the polyvinyl chloride cable.

Described herein are adsorbents functionalized with ligands having aminosilicone functionality, methods for making the same, and methods for using the same. Also described herein are methods for preparing aminoalkyl-substituted disiloxanes and the aminoalkyl-substituted disiloxanes produced thereby. Moisture management and the use of the functionalized adsorbents (114) Adsorbent Also described herein are systems that facilitate optimizing the adsorption and desorption of carbon dioxide gas by beds. Also described herein are methods of systems and methods for modeling the predicted performance of adsorbents in post-combustion carbon capture systems and operating the post-combustion carbon capture systems using one or more predicted adsorbents based on carbon capture performance values ​​determined by modeling. Described herein are adsorbents functionalized with polyamines having cyclic units, methods for making the same, and methods for using the same.

The utility model relates to hexamethyl disiloxane purification field especially relates to a kind of water content treatment devices of hexamethyl disiloxane removal, including filter box, support assembly, adsorption cylinder and conveying assembly, filter box is set in the upper portion of rectifying cylinder, the upper portion of rectifying cylinder is equipped with inlet, filter box is connected with rectifying cylinder through inlet, first filter plate is fixedly installed in the filter box, first filter plate is located in the upper portion of inlet, first filter plate is obliquely arranged, second filter plate is fixedly installed in the filter box, second filter plate is located below first filter plate, feeding port is equipped in the upper portion of filter box;The utility model is installed by filter box first filter plate and second filter plate, filter material by first filter plate, and the impurity is guided to the side of second filter plate to facilitate cleaning, the material remaining in impurity can be added into rectifying cylinder by second filter plate through second filter plate, reduce waste.

The application belongs to the technical field of cables, and particularly relates to a polyvinyl chloride fire-resistant power cable and a preparation method thereof; the polyvinyl chloride fire-resistant power cable material is obtained by extruding and granulating premix; wherein, the preparation of the hybrid modified bisphenol A type epoxy resin comprises: obtaining a flame retardant by phosphate esterification reaction of phosphorus trichloride, 3-(ethylenoxy) benzene-1,2-diol and an acid binding agent; then obtaining a flame retardant precursor by Claisen rearrangement of the flame retardant, and finally obtaining a thermal stability type flame retardant by addition reaction of the flame retardant precursor and 1,3-di(amino propyl) tetramethyl disiloxane; the hybrid modified bisphenol A type epoxy resin is obtained by pre-curing the hybrid bisphenol A type epoxy resin under vacuum conditions and with the thermal stability type flame retardant, an antioxidant, phthalic anhydride and tetrabutyl titanate; the cable material can effectively improve the flame retardance, heat resistance, toughness and interface bonding capacity of the polyvinyl chloride cable.