414 results about "Silicone Gels" patented technology

The invention relates to a preparation method of a flexible solid hydrogen storage bed body, which comprises the following steps: S1, mixing 74-90% by mass of hydrogen storage alloy powder and 3-16% by mass of carbon-based heat conduction material for 20-50 minutes in a mechanical stirring manner to obtain a dry powder mixture; s2, adding an organic silicon material with the mass fraction of 5-16%, and continuously mechanically stirring for 1-5 hours to obtain a non-dry powder mixture; and S3, carrying out vacuum drying on the non-dry powder mixture in the S2 at 60-100 DEG C for 8-20 hours, and naturally cooling to room temperature to obtain the required novel non-dry powdery hydrogen storage bed body. Through the synergistic effect of the hydrogen storage alloy, the expanded graphite and the double-liquid silica gel, the flexible solid hydrogen storage material is formed on the basis of optimizing the material ratio and the process sequence. The synergistic effect of the materials breaks through the defect that a traditional hydrogen storage bed body is too high in rigidity or in a loose powder state, and finally the hydrogen storage bed body has high hydrogen storage efficiency, stable cycle life and excellent safety performance.

A prosthesis can include a shell and a needle guard coupled to a posterior portion of the shell. The shell can include a laminate having a base layer, a top layer, and a soft silicone gel intermediate layer disposed between the base layer and the top layer and of sufficient thickness for self-sealing of a needle hole therethrough. The needle guard can include a plurality of offset layers of offset, puncture-resistance structures that, in an expanded state, (i) collectively form a concave shape and (ii) provide a concave exterior surface along the posterior portion of the prosthesis for approximating a human anatomical feature. The needle guard can have a shape memory characteristic for urging the prosthesis toward the expanded state.

The invention relates to the technical field of heat-conducting interface materials, and particularly discloses high-heat-conductivity organic silicon gel and a preparation method thereof. The high-thermal-conductivity organic silicon gel is prepared from the following components in parts by weight: 100 parts of insulating and thermal-conducting filler, 0.1 to 0.3 part of poly-alpha-olefin, 0.3 to 5 parts of vinyl silicone oil, 0.03 to 1 part of hydrogen-containing silicone oil, 0.01 to 0.3 part of alkynol modified silicone oil, 0.01 to 0.5 part of catalyst and 0 to 2 parts of additive, the viscosity of the poly-alpha olefin at 100 DEG C is 1-40 mm < 2 > / s, and the viscosity index is 80-175. According to the high-thermal-conductivity organic silicon gel provided by the invention, by adopting a mode of adding a small amount of poly-alpha-olefin, the problem that the insulating thermal-conductivity filler is high in filling amount and easy to agglomerate is solved, and the obtained organic silicon gel has a high thermal conductivity coefficient of 5-8W / m.K and breakdown strength of greater than 18kV / mm.

The invention relates to the technical field of powder metallurgy, and particularly discloses an ultra-coarse grain WC-Co hard alloy and a preparation method thereof.The preparation method comprises the following steps that S1, the following raw materials including, by weight, 4.6-9.2 parts of cobalt powder, 96-102 parts of coarse grain tungsten carbide powder, 3.6-5.2 parts of functional gel, 3.4-4.6 parts of modified penetration enhancer, 2.2-2.8 parts of binder and 36-62 parts of organic solvent are prepared; step S2, preparation of a mixture; step S3, carrying out granulation treatment; step S4, compacting; step S5, pressurizing and sintering; the functional gel and the modified penetration enhancer are added, the functional gel contains yttrium oxide, polytannic acid, ultrafine tungsten carbide, tantalum carbide, chromium carbide, silica gel and other components, and the functional gel not only has excellent physical properties, but also can be cross-linked with the modified penetration enhancer to form a more compact silicon dioxide network structure; and the hardness, toughness, impact resistance and wear resistance of the alloy are improved.

The invention discloses a preparation method and application of a double-layer sound transmission type berberine-loaded gelatin microsphere slow-release antibacterial gel dressing, and belongs to the technical field of gel dressings. The preparation method comprises the following steps: taking vinyl silicone oil and silicon dioxide as raw materials, preparing upper-layer silica gel by adopting a double-component uniform mixing method, and then laminating the upper-layer silica gel and lower-layer berberine-loaded gelatin microsphere hydrogel by adopting a self-laminating method, thereby obtaining the double-layer sound-transmission type berberine-loaded gelatin microsphere slow-release antibacterial gel dressing. By means of the broad-spectrum antibacterial function of berberine, the efficient drug loading function and slow drug release function of gelatin microspheres, the sound transmission and swelling functions of lower hydrogel and the supporting function of upper hydrogel, ultrasonic inspection is conducted through a dressing covering layer, an ultrasonic scanning supporting plane is provided, ultrasonic waves penetrate through the dressing, good imaging is formed, and the application prospect is wide. And antibacterial and repairing effects on local wounds are realized at the same time.

The invention discloses a composite material based on liquid metal / diamond hybrid particles, a preparation method and application, and the preparation method comprises the following steps: step 1, mixing liquid metal and diamond particles, and fully grinding to obtain the liquid metal / diamond hybrid particles; step 2, adding an additive into the base silicone oil, and fully mixing to obtain a silica gel precursor; and 3, stirring and mixing the liquid metal / diamond hybrid particles obtained in the step 1 and the silica gel precursor obtained in the step 2, and curing and forming to obtain the required composite material. The composite material obtained by the invention has high heat-conducting property, high processability and reliable and stable insulating property.

The invention discloses concrete cured by CO2 and a preparation method of the concrete, and belongs to the technical field of building materials. The concrete comprises the following components in parts by weight: 350-500 parts of a cementing material; 50 to 200 parts of a CO2 load substance; 600 to 800 parts of fine aggregate; 700 to 1000 parts of coarse aggregate; 5-20 parts of a polycarboxylate superplasticizer; and 130 to 170 parts of water. According to the invention, the CO2 load with a double-layer phase change structure is utilized to realize the controlled release of CO2 in stages, the gradually slowly released CO2 and the cementing material are subjected to mineralization reaction to form carbonized products, namely calcium carbonate and silica gel, so that the densification of a matrix is promoted, and the strength, hardness and durability are further improved; the slow-release CO2 curing reduces the energy consumption caused by autoclaved curing of the concrete, greatly shortens the curing time, reduces the production cost and improves the production efficiency.

The invention discloses a window plate and a microscopic imaging system. The window sheet comprises a transparent slide and an immersion medium, the immersion medium is arranged on one side, far away from a sample to be observed, of the transparent slide, and the immersion medium is made of silica gel. The window sheet is arranged in the microscopic imaging system provided by the invention, and the silica gel which is matched with the refractive index of the biological tissue and is in a non-fluid state is adopted as an immersion medium in the window sheet, so that the window sheet can be suitable for in-vivo examination, and a very good in-vivo imaging effect and product use experience are obtained.

The invention belongs to the technical field of silicon dioxide materials, and relates to a preparation method of medicinal silicon dioxide by a gel method, which comprises the following steps: S1, filtering water glass by an inorganic treating agent, treating the filtered water glass by multiple layers of cation exchange resin to obtain a water glass solution, and treating a sulfuric acid solution by multiple layers of cation exchange resin; s2, firstly adding the water glass solution in the step S1, and then adding the sulfuric acid solution treated in the step S1 to form silica sol; s3, adding sulfuric acid on the basis of the silica sol formed in the step S2, adjusting the pH value to be acidic, stirring, adding a water glass solution, adjusting the pH value to be alkaline, heating and boosting for aging, adjusting the pH value to be acidic, and aging to form silica gel; and S4, washing the silica gel, and performing two-stage spray drying and screening to obtain the silica gel. Compared with related silica products for Grace medicine, the gel forensic medicinal silica synthesized by the invention has the advantages of better heavy metal content, dioxin control and particle size uniformity and lower impurity content, and can be better applied to the field of medicine.

The invention discloses a preparation method of heat-conducting silica gel for packaging a power module chip, which comprises the following steps of: optimizing diamond micro-powder filling, surface etching and particle size compounding, so that the heat conductivity coefficient of the prepared heat-conducting silica gel can reach 3.8-4.5 W / (m.K) which is far higher than that of common silica gel (generally less than or equal to 3.0 W / (m.K)); meanwhile, the specific surface area of the diamond and the interface bonding force between the diamond and silica gel are improved through surface etching, the interface thermal resistance is reduced, a more efficient heat conduction path is formed, the packing stacking density is maximized through particle size compounding, air gaps are reduced, and a more stable and communicated heat conduction network is constructed; the SiC device is high in power density and high in switching speed, and the chip junction temperature is the key to restrict performance and reliability. The material can quickly and uniformly transfer heat of a chip to a heat dissipation substrate, obviously reduce junction temperature and temperature gradient in a module, and improve power density and long-term reliability.

The scar removing cream is prepared from the following raw materials in percentage by weight: 30 to 80 percent of silica gel component, 5 to 30 percent of solvent, 0.1 to 10 percent of emulsifying agent, 1 to 5 percent of thickening agent, 0.01 to 10 percent of extract / synergistic component, 0.1 to 20 percent of medicament component, 1 to 50 percent of moisturizing component, 0.01 to 0.1 percent of growth factor, 0.1 to 2 percent of other component, 0.01 to 0.5 percent of preservative and 0.1 to 2 percent of pH (Potential of Hydrogen) regulator. The traditional Chinese medicine composition has the effects of improving skin repair, whitening and diminishing inflammation, accelerates skin elasticity recovery and reduces scars.

The invention discloses a discrete device packaging structure based on direct lead bonding, which belongs to the technical field of semiconductor device packaging and comprises a power semiconductor chip, a drain metal substrate, a grid lead terminal, a drain lead terminal, a bonding wire and a supporting shell. The drain electrode metal substrate is connected with the lower surface of the power semiconductor chip through solder. The gate metal electrode on the upper surface of the power semiconductor chip is connected with the gate lead terminal through a bonding wire, and the source metal electrode on the upper surface of the power semiconductor chip is connected with the source lead terminal through solder. The interior of the supporting shell is filled with silica gel or an injection molding process, and the supporting shell covers the power semiconductor chip to serve as an insulating medium. The power density of the device is improved, the parasitic parameter of the whole device is reduced, and the reliability of the interconnection structure is improved.

According to the technical scheme, the semiconductor packaging structure is characterized in that the semiconductor packaging structure comprises a shell, an outer shell is arranged on the top face of the shell, an inner frame is fixedly installed in the shell, and a chip body is arranged in the inner frame; during use, heat generated by the pins can be absorbed by surrounding the connecting pins through the top grooves, convection between the heat and the outside can be dissipated by the heat dissipation block through fitting of the heat conduction pad and the chip body, and meanwhile, the contact area between the heat dissipation block and the outside can be enlarged through arrangement of the copper columns, so that the heat dissipation effect is further improved, and the service life of the chip is prolonged. During use, after the outer shell and the shell body are installed, the copper blocks and the clamping grooves are arranged together in a sleeved mode at the moment, heat generated by the pins can be transmitted to the outside through the heat dissipation columns, the heat dissipation effect on the pin portions is achieved, and after the outer shell and the shell body are installed, organic silica gel can be injected into the injection molding grooves to achieve the dustproof and waterproof purposes. And meanwhile, internal pins and other devices can be fixed, and the stability of the equipment is improved.

The invention discloses an optical silica gel for high-flexural impact protection, an adhesive film and a preparation method, and the optical silica gel for high-flexural impact protection is prepared from the following raw materials in parts by weight: 30-60 parts of phenyl vinyl silicone oil, 5-15 parts of phenyl vinyl silicone resin, 20-50 parts of phenyl silicone resin, 0.2-5 parts of phenyl hydrogen-containing silicone oil, 0.5-8 parts of phenyl hydrogen-containing silicone resin and 0.1-0.5 part of an inhibitor, 1-10 parts of a tackifier and 0.1-1 part of a catalyst. The high-flexural impact-resistant optical silica gel for protection has a high refractive index and good physical and chemical stability, and a prepared adhesive film can be stable in property and free of yellowing at a high temperature (100-150 DEG C) for a long time (100 h), and can be cured at a high temperature (85 DEG C) and a high humidity (150 DEG C) for a long time (100 h). The coating is free of fogging in the state of high temperature resistance and humidity of 85 kg / m < 3 >, has good adhesion to various base materials, can maintain considerable mechanical strength, and is excellent in overall performance.

The invention relates to the technical field of solid-phase silica gel preparation, in particular to a preparation device and process of modified solid-phase silica gel for robot skin. The preparation device of the modified solid-phase silica gel for the robot skin comprises a supporting frame, a reaction kettle and a temperature control tube, wherein the reaction kettle and the temperature control tube are erected on the supporting frame; the guide pipe is mounted at the bottom end of the reaction kettle, one end of the guide pipe is inserted into the temperature control pipe and is provided with two groups of liquid guide plates, the liquid guide plates are symmetrically distributed based on the guide pipe, glue outlet holes are formed in the middle parts of the two groups of liquid guide plates, and the glue outlet holes are communicated with a first gel pump; the liquid outlet end of the first gel pump is connected with a centrifugal liquid guide mechanism used for shaking up and exhausting silica gel, and a gate plate piece used for sealing the guide pipe and the reaction kettle is installed in the guide pipe; the sealing cover is mounted on the reaction kettle, and a stirring mechanism for stirring silica gel preparation raw materials is mounted on the sealing cover. The device and the process for preparing the modified solid-phase silica gel for the robot skin, provided by the invention, have the advantages of uniform stirring and high extrusion molding quality.

The invention discloses a sulfur-containing organic silicon gel material and a preparation method and application thereof, and the preparation method comprises the following steps: in the presence of a solvent, a sulfhydryl compound and an epoxy group of an epoxy group-containing silane coupling agent are subjected to a ring-opening reaction, and meanwhile, an alkoxy group of the epoxy group-containing silane coupling agent is subjected to a hydrolytic condensation reaction to obtain the sulfur-containing organic silicon gel material. And freeze-drying to obtain the sulfur-containing organic silicon gel material. The organic silicon material is prepared through hydrolytic condensation of the silane coupling agent, meanwhile, the sulfhydryl-containing compound and an epoxy group of the epoxy group-containing silane coupling agent are subjected to a ring-opening reaction, a large number of sulfur-containing groups are introduced into the organic silicon material in a covalent bond mode, lone pair electrons of sulfur serve as adsorption sites of iodine, and the adsorption capacity of the material to iodine is improved; the silicon substrate ensures that the material has high irradiation resistance and acid resistance, so that efficient adsorption and enrichment of volatile iodine isotopes are realized; the sulfur-containing organosilicon gel material is rapidly prepared through a one-step method, the preparation method is simple, and the cost is low.

The invention discloses a high-stability super-hydrophobic antireflection transparent coating and a preparation method thereof. The preparation method comprises the following steps: preparing a super-hydrophobic SiO2 ethanol dispersion liquid; a resin / OTS modified SiO2 double-layer coating is prepared; the prepared low surface energy molecular precursors comprise a PDMS gas phase precursor and a silica gel precursor; putting the resin OTS modified SiO2 double-layer coating and a low-surface-energy molecular precursor into a muffle furnace for calcining, naturally cooling to room temperature, and taking out to obtain the high-stability super-hydrophobic antireflection transparent coating. According to the high-stability super-hydrophobic antireflection transparent coating and the preparation method thereof provided by the invention, namely a spraying-calcining method, a nanoscale low-refractive-index porous SiO2 coating can be conveniently constructed, and low-surface-energy oligomer is attached to the surface, so that the contradictory problem that transparency and super-hydrophobicity of the transparent super-hydrophobic coating are difficult to optimize at the same time is solved; in addition, the preparation method is simple and controllable, and lays a foundation for large-area low-cost preparation.

The invention relates to the technical field of silicone OCA and discloses a method for preparing a composite silicone OCA adhesive film for a touch screen. Methyl vinyl silicone rubber, methyl MQ silicone resin, modified hydrogen-containing silicone oil, polyether tackifier, and silicon-hydrogen crosslinking agent ethyl platinum catalyst are mixed to form a silicone adhesive liquid, and then the silicone adhesive liquid is evenly coated on a release surface of a heavy release film to form an adhesive film, and finally a light release film is attached to the other side of the adhesive film to obtain the composite silicone OCA adhesive film, wherein the addition of the modified hydrogen-containing silicone oil and the polyether tackifier can effectively enhance the aging resistance and bonding performance of the composite silicone OCA adhesive film, so that the composite silicone OCA adhesive film is easier to adhere.

The invention relates to the technical field of building materials, and discloses a preparation method of a functional additive of antibacterial and mildew-proof dry-mixed putty mortar, which comprises the following steps: dispersing an inorganic porous carrier in water, and adding a plant polyphenol solution for adsorption loading; then adding soluble silicate, adjusting the pH value of the system to be acidic or weakly acidic, and carrying out in-situ gelation reaction to form a silica gel blocking layer on the surface of the carrier; and adding a metal salt solution to carry out heating coordination reaction, and carrying out solid-liquid separation, washing, drying and crushing to obtain a finished product. Intelligent slow release and oxygen isolation protection of active components are achieved by constructing a pH response type silica gel layer and a metal-polyphenol coordination network, the additive effectively solves the problems of serious delayed coagulation and oxidation discoloration caused by plant polyphenol in an alkaline putty system, an active silicon source generated by dissolution of the silica gel layer can be subjected to a pozzolanic reaction, and the pH response type silica gel layer and the metal-polyphenol coordination network can be used for preparing the alkaline putty. The bonding strength of the putty layer is obviously improved.

The invention discloses a silicone gel dressing and a production process thereof. The silicone gel dressing comprises a three-dimensional cross-linked organic silicone elastomer network and a stably dispersed functional unit, wherein the functional unit comprises a nanosheet layer reinforcing structure formed by stripping organic modified layered silicate and polysaccharide-based microspheres for encapsulating bioactive factors. The production process comprises the steps of nano pre-dispersion preparation, main component mixing and defoaming, active microsphere mild mixing and gradient curing structure forming. The contradiction between technical effect analysis and flexibility is solved through a nanosheet layer enhanced structure, the polysaccharide-based microspheres achieve slow release of bioactive factors, the air permeability and the adhesion are improved through a sandwich porosity gradient structure, the process is accurate and controllable, and the method is suitable for scar management.

The invention relates to the technical field of batteries, in particular to a diaphragm and a preparation method thereof, a secondary battery and an electric device. The separator comprises: a fibrous membrane; and the gel body is arranged in the pores of the fiber membrane, and the gel body comprises a silica gel matrix and solid electrolyte particles dispersed in the silica gel matrix. According to the diaphragm provided by the invention, the pores of the fiber membrane are filled with the gel, the gel and the fiber membrane form an interpenetrating network structure, the number and efficiency of ion conduction channels are improved, the silica gel matrix is used as a carrier to fix the solid electrolyte particles, and a continuous ion conduction path is formed, so that the ion conductivity of the diaphragm is improved, and the service life of the diaphragm is prolonged. The internal resistance of the battery is reduced, so that the rate capability and the cycle life of the battery are improved; meanwhile, pores of the fiber membrane are filled with the gel, so that the thickness of the diaphragm is not additionally increased, the energy density of the battery is improved, and the problem that a coating structure is easy to fall off in the prior art is solved.

The invention provides an insulation state detection method, system, equipment and medium, and relates to the field of electronic device detection.The method comprises the steps that a discharge signal of a power module is obtained, high-pass filtering and wavelet noise reduction are conducted on the discharge signal, and a discharge pulse is obtained; recording the morphology change of the bubbles at the three bonding points of the substrate, the electrode and the silica gel of the power module; analyzing the discharge pulse based on a phase resolution partial discharge map to obtain partial discharge parameter changes, and classifying the partial discharge parameter changes to obtain insulation defect types; and performing evaluation according to the morphology change of the bubbles and the insulation defect type to obtain an insulation degradation state. On the basis of collaborative analysis of bubble evolution and discharge characteristics, the insulation state of the high-voltage power module is monitored, in-situ observation of bubble evolution of a glue-solid interface is realized, discharge signal characteristics are extracted, and a mapping relation of bubble form-discharge mode-signal parameters is established.

The invention relates to the technical field of oral biomedical materials, and particularly discloses a nanoscale calcium sodium phosphosilicate material composition and a preparation method thereof. The nanoscale calcium sodium phosphosilicate material composition is prepared from bioactive glass, glass silica gel, calcium salt and phosphate, and the oxide composition of the bioactive glass is limited. The nano-scale sodium calcium phosphate silicate material composition has high biological activity and can fully play a mineralization role in a saliva environment, and hydroxyapatite newly formed in the mineralization process can fully fill defects and holes in the tooth surface, so that the microhardness of the tooth surface is effectively improved within a short time, and the tooth quality is improved. The repair of damaged teeth is effectively realized.

The present invention relates to the field of food processing technology, and discloses a fish oil and a refining method thereof. The method comprises: (1) first mixing crude fish oil with water, a complex enzyme, and a chelating agent to obtain a mixed material; the complex enzyme is a combination of protease, phospholipase, and lipase; (2) sequentially separating and washing the mixed material to obtain an intermediate material I; (3) sequentially subjecting the intermediate material I to a first adsorption decolorization, a second adsorption decolorization, and a third adsorption decolorization to obtain an intermediate material II; the adsorption material I in the first adsorption decolorization comprises silica gel; the adsorption material II in the second adsorption decolorization is bleaching clay; and the adsorption material III in the third adsorption decolorization is activated carbon; (4) deodorizing the intermediate material II to obtain a fish oil product. The method provided by the present invention can effectively remove impurities in crude fish oil, retain a high rate of beneficial accompaniments in fish oil, and effectively control the generation of harmful substances in the production process.

The invention belongs to the technical field of heat-conducting interface materials, and particularly relates to low-hardness high-resilience heat-conducting organic silicon gel and a preparation method thereof. The organosilicone gel is prepared from the following components: vinyl-terminated polydimethylsiloxane, hydrogen-containing polysiloxane, an iso-bifunctional chain extender, a heat-conducting powder surface treating agent, heat-conducting filler, a curing inhibitor and a platinum catalyst. The organic silica gel prepared by the preparation method disclosed by the invention has the excellent properties of high heat conductivity, low hardness, difficulty in cracking, capability of keeping high resilience and the like.

The invention discloses a high and low temperature resistant organosilicon gel and a preparation method thereof, the organosilicon gel comprises a component A and a component B, the component A is prepared by mixing 100 parts of vinyl-terminated silicone oil and 0.05-0.2 part of a platinum catalyst, and the component B is prepared by mixing 50-70 parts of vinyl-terminated silicone oil, 20-40 parts of a chain extender, 5-15 parts of a cross-linking agent, 0.05-0.2 part of an inhibitor and 0.05-0.3 part of a heat-resistant additive. The organic silicon gel disclosed by the invention is low in viscosity, good in fluidity, colorless and transparent, good in flexibility and low stress after being cured, good in adhesion effect on various base materials, excellent in electric insulativity and high and low temperature resistance, capable of tolerating a high temperature of 240 DEG C for a long time, and free of chain segment crystallization behavior at a low temperature of-77 DEG C. The organic silicon gel is used for packaging protection of various different substrates and electronic components, the reliability and the service life of the components, high-power semiconductor modules and the like at high temperature can be remarkably improved, and the reliability of electronic equipment is guaranteed.

The invention relates to the technical field of power semiconductor packaging, in particular to a high-dielectric-property homogeneous polymer coating suitable for a medium-voltage SIC power module and application, the polymer coating is prepared from a solution formed by dissolving dicyclohexyl-3, 4, 3 ', 4'-tetracarboxylic dianhydride and 2, 2 '-dimethyl-[1, 1'-biphenyl]-4, 4 '-diamine in chloroform, and the polymer coating is prepared from a high-dielectric-property homogeneous polymer coating suitable for the medium-voltage SIC power module and a high-dielectric-property homogeneous polymer coating suitable for the high-dielectric-property homogeneous polymer coating suitable for the medium-voltage SIC power module. The dielectric constant of the polymer coating is 4.52 under 1kHz, the dielectric constant of the polymer coating is 3.94 under 100kHz, and the breakdown field strength of the polymer coating is 700kV / mm. The coating is verified through electric field simulation, the maximum electric field intensity in the silica gel can be reduced to 43% or below of the original maximum electric field intensity through the coating with the thickness of 80 microns, and partial discharge can be effectively restrained; meanwhile, compared with an uncoated sample, the partial discharge initial voltage (PDIV) is averagely improved by 101%, and the insulation requirement of a 15kV medium-voltage module is met.

The utility model relates to a flexible flame-retardant indoor photoelectric composite cable with a multilayer composite compression-resistant structure, which comprises a central supporting unit, a cable core assembly, a composite reinforcing layer, a flame-retardant layer and an outer sheath which are sequentially arranged from inside to outside, the adjacent elastic rods are bonded through hot melting to form a 90-degree orthogonal supporting structure, the cable core assembly comprises optical fiber units and power conductors which are symmetrically distributed in four quadrants of a central supporting unit, one optical fiber unit and one power conductor are arranged in each quadrant, and the four macromolecule elastic rods arranged in a cross shape form a supporting framework. A stable internal supporting structure is provided for the whole optical cable, it is ensured that the optical cable structure is not prone to deformation in a complex environment, the section of the macromolecule elastic rod is fan-shaped, the containing groove is filled with thixotropic silica gel, the buffering and damping effect is further enhanced, internal assemblies can be better protected, and the optical cable is suitable for different installation and use environments.

The invention provides a silica gel soaked knitted glove and a preparation method thereof, the preparation method comprises the following steps: S1, preparing liquid silica gel slurry: mixing a silica gel raw material A and a silica gel raw material B, adding a diluent, uniformly stirring, then adding a defoaming agent and an antistatic agent, uniformly mixing, and defoaming to obtain the liquid silica gel slurry; s2, preheating the glove blank: sleeving the knitted glove blank on a ceramic hand mold, and then preheating; s3, gum dipping: dipping the ceramic hand mold sleeved with the knitted glove blank into liquid silica gel slurry for gum dipping; s4, glue uniformizing, wherein the ceramic hand mold sleeved with the knitted glove blank is subjected to glue draining and rotating; s5, drying, wherein the ceramic hand mold sleeved with the knitted glove blank is pre-dried and then dried at the temperature of 100-130 DEG C; and S6, soaking and drying. The silica gel soaked knitted gloves prepared by the method are softer, the hand back knitting holes have air permeability, and the palm face silica gel layer has excellent heat insulation performance and anti-skid performance.

The present application relates to the technical field of marine antifouling coating, in particular to an organic-inorganic composite antifouling coating, a preparation method and application thereof.The raw materials of the antifouling coating include A component and B component in a weight ratio of (7-9):1, wherein the A component includes the following raw materials in parts by weight: 50-75 parts of hydroxyl silicone resin, and 5-20 parts of antifouling agent; the B component includes the following raw materials in parts by weight: 10-30 parts of modified silicone resin, 20-80 parts of silica gel, and 1-10 parts of auxiliary agent; the hydroxyl silicone resin is a two-end hydroxyl silicone oil, and the hydroxyl content in the hydroxyl silicone resin is 0.025-3 wt%.The present application provides a low surface energy antifouling coating applied to marine vessels, and the coating has a uniform and staggered low surface energy surface and a hydrogel surface.The low surface energy antifouling coating has good film elasticity, low surface tension, good impact resistance, high scratch resistance, and a long effective service life of more than seven years.