244 results about "Gel based" patented technology

The invention discloses a preparation method and application of interpenetrating network gel based on bentonite minerals, and belongs to the technical field of collapsible loess improvement. According to the prepared bentonite mineral interpenetrating network gel (BT-PAA / PEG / PVA), bentonite serves as a crosslinking node and cooperates with a PAA ion network, a PEG flexible chain segment and a PVA rigid hydroxyl network to construct a triple interpenetrating structure, high water absorption, compression resistance, salt resistance and long-term stability are achieved, the gel is applied to collapsible loess improvement, and the collapsible loess improvement effect is good. And gel particles and soil particles are combined to form an anchoring effect, so that the permeability of a soil body is reduced and the soil body is prevented from collapsing.

The invention relates to the technical field of gel materials, and discloses whitening gel based on biological polysaccharide and a preparation method thereof, the whitening gel comprises the following raw materials: hyaluronic acid, deionized water and thunberg fritillary bulb polysaccharide microcapsules; wherein the bulbus fritillariae thunbergii polysaccharide microcapsule is prepared by taking konjac glucomannan, chitosan and perillaldehyde modified hyaluronic acid as a shell layer and embedding bulbus fritillariae thunbergii polysaccharide and glabridin as a core material; the perillaldehyde modified hyaluronic acid is prepared by reacting alkenyl hyaluronic acid with perillaldehyde under the action of an initiator; the alkenyl hyaluronic acid is prepared by reacting hyaluronic acid with glycidyl methacrylate under the action of a catalyst. The prepared whitening gel has excellent whitening, moisturizing, anti-oxidation and anti-aging effects, effective components are not prone to loss, and the whitening gel can be applied to the skin surface for a long time, plays a whitening role and delays the aging process of the skin.

The present disclosure provides a ceramic three-dimensional (3D) printing device based on a gel molding process and a control method. The ceramic 3D printing device based on a gel molding process includes a feeding assembly, a receiving assembly, a scraping assembly, and a spray assembly. The feeding assembly includes a feeding pump and a storage hopper. The receiving assembly includes a feeding rod. The feeding pump can convey slurry in the storage hopper to the feeding rod. The control method includes introducing the atomized liquid into the storage hopper and the bearing groove through the first spray pipe and the second spray pipe respectively. According to the present disclosure, a water content of the slurry can be controlled to achieve a better curing effect.

The invention discloses a method for preparing soybean protein hydrolysate-polysaccharide composite gel based on enzymolysis treatment, and belongs to the technical field of food processing and manufacturing. According to the method for preparing the soybean protein hydrolysate-polysaccharide composite gel based on the enzymolysis treatment, the soybean protein hydrolysate is prepared by performing enzymolysis treatment on the soybean protein through papain, and meanwhile, the polysaccharide is added in an auxiliary manner, so that a theoretical basis is laid for actual production and industrial application of soybean protein products with excellent gel property. The main process comprises the following steps: (1) carrying out extrusion puffing treatment and enzymolysis; (2) spray drying; (3) papain treatment; (4) adding carrageenan; and (5) heating, cooling and molding. The gel property of the soybean protein is effectively improved through the action of the papain and the addition of the polysaccharide, better economic benefits can be created for soybean gel products and the processing industry of the soybean gel products, development of the technical field of food processing and manufacturing is promoted, and remarkable economic and social benefits are achieved.

The invention discloses an adapalene external preparation and a preparation method thereof, and relates to the technical field of adapalene preparation preparation. The adapalene gel comprises the following raw materials in percentage by mass: 4.5-7.5% of adapalene, 3.5-8% of a gel base material, 2-4.5% of cellulose, 0.5-2% of a penetration enhancer, 18-25% of a water-retaining agent, 2-5% of a surfactant, a pH value regulator and the balance of water, the dosage of the pH value regulator is based on the standard that the pH value of the adapalene external preparation is regulated to 7-7.5; the gel base material comprises poloxamer or carbomer, and further comprises sa-hao seed gum, and the use amount of the sa-hao seed gum accounts for 25-35% of the total mass of the gel base material. According to the adapalene external preparation provided by the invention, the irritation of adapalene to the skin is basically eliminated by utilizing the effects of the gel base material consisting of poloxamer or carbomer and sa-hao seed gum and the surfactant; the adhesive has good cohesiveness and water-retaining property, can keep the affected part moist after being smeared, promotes medicine absorption, and avoids being wiped off or automatically falling off; the stability is improved, and the medicine slow release time is indirectly prolonged.

The invention provides a recombinant III-type humanized collagen gel based on a macromolecular crowding effect as well as a preparation method and application of the recombinant III-type humanized collagen gel. The method comprises the following steps: firstly, preparing an rhCol III solution system; then preparing a macromolecular crowding bath containing dextran 70, polyethylene glycol 8000 and ascorbic acid; then adding an rhCol III solution into the macromolecular crowding bath to form an rhCol III microgel; and finally, constructing a 3D printing molecular exclusion mold system which takes agarose as a substrate and contains a functional additive and a temperature-sensitive polymer as a temperature-sensitive release and spatial constraint component, so as to realize directional construction of the rhCol III microgel. According to the method disclosed by the invention, second-level physical gelling (lt; 15s) of rhCol is realized, and a physiological microenvironment supporting cell proliferation is constructed. The recombinant III-type humanized collagen gel prepared by the method can be used for preparing collagen microgel balls, collagen bundles, 3D (three-dimensional) bio-printing products and the like, and is wide in application range.

The application discloses a kind of full-color organic ion gel based on anion-induced phase separation strategy of high ionic conductivity, stretchability and long phosphorescence lifetime and application thereof, which comprises: introducing anions in a polymer ion solution containing a large number of hydroxyl groups, inducing molecular chain rearrangement by freeze-thaw and low-temperature drying, and constructing an ion liquid enrichment zone and a polymer enrichment zone, wherein the highly solvated ion liquid enrichment zone is a soft phase, which bears elastic deformation and ion transport function, and the polymer enrichment zone is a hard phase, which bears mechanical load and induces phosphorescence emission.The application solves the problems of poor mechanical properties, non-stretchability and short phosphorescence lifetime of existing phosphorescent materials, and synergistically improves the mechanical properties and phosphorescent properties of ion gel.The prepared ion gel has excellent environmental tolerance, recyclability and responsiveness;using its multicolor phosphorescent display and responsive electrical signals, it can be used to construct soft robots and information encryption devices with dual-channel information interaction.

The invention discloses a method for regulating and controlling a starch-protein composite gel structure based on an ice template method, which comprises the following steps: adding starch and soybean protein isolate into water, heating a product which is uniformly dispersed and hydrated, and cooling to form a starch / protein composite gel; and freezing the prepared gel under the condition of-18 to-80 DEG C, taking out the gel, recovering the gel to room temperature, and the like. The starch / protein composite gel is prepared by adopting an ice template method, the preparation method is simple, the pore structure morphology of the prepared starch / protein porous composite gel is controllable, the texture property and juiciness of the starch / protein porous composite gel can be regulated and controlled, and a new way is provided for the quality improvement of industrial frozen porous gel. The starch / protein composite gel prepared by freezing at the temperature of-80 DEG C through the method has good texture characteristics, the hardness of the starch / protein composite gel is 555.57, the elasticity of the starch / protein composite gel can reach 0.95, and the chewiness of the starch / protein composite gel can reach 264.26.

The invention discloses a trifarotene external preparation and a preparation method thereof, and relates to the technical field of preparation of trifarotene preparations. The trifarotene external preparation is prepared from the following raw materials in percentage by mass: 1.0 to 5.0 percent of trifarotene, 6 to 12 percent of gel base material, 10 to 15 percent of polylactic acid, 5 to 7.5 percent of cellulose, 1 to 2.5 percent of penetration enhancer, 8 to 14 percent of water-retaining agent, 5 to 9 percent of surfactant and the balance of water, the gel base material comprises medium-chain fatty glyceride and polycarbophil, and the mass ratio of the medium-chain fatty glyceride to the polycarbophil is (2.5-4): 1. According to the novel trifarotene external preparation provided by the invention, the raw material formula is coordinated and matched, so that the hardening and setting time of the medicine is reasonably matched with the slow release time of trifarotene capable of ensuring the effective concentration. After the medicament layer is completely hardened, the drug release of the trifarotene is basically completed. The raw materials used by the medicament are mild, the medicament layer is soft and moderate, the skin covering area is small, and the discomfort basically does not exist.

The invention belongs to the technical field of high voltage and insulation, and relates to an XLPE breakdown field strength evaluation method and system based on gel content and preparation process, and the method comprises the following steps: S1, sampling, weighing, shearing and bagging; s2, extracting, weighing and calculating the gel content; s3, constructing an evaluation model; s4, predicting the breakdown field intensity; according to the technical scheme, the physical model fusing the cross-linking enhancement effect and the thermal damage effect is constructed, the breakdown field strength is predicted based on the physical model, accurate and rapid evaluation of the XLPE insulation performance under different process conditions can be achieved only through a small amount of breakdown test data calibration model, dependence on a traditional destructive electrical test is remarkably reduced, and the reliability of the XLPE insulation performance is improved. The test cost is greatly reduced, the research and development period is greatly shortened, and an effective tool is provided for cable insulation material performance analysis and production process optimization.

The invention discloses oyster-soybean compound protein gel constructed based on low-temperature synergy as well as a preparation method and application of the oyster-soybean compound protein gel, and belongs to the technical field of functional foods. The composite gel is formed by oyster protein and soybean protein isolate through low-temperature stabilization, medium-temperature construction and thermal induction treatment. The preparation method comprises the following steps: preparing an oyster protein suspension; preparing a soybean protein isolate suspension; the oyster protein suspension and the soybean protein isolate suspension are mixed, stirred and left to stand, a gel structure is preliminarily constructed and then subjected to thermal induction curing treatment, and after the thermal induction curing treatment is finished, the oyster-soybean compound protein gel is formed through storage at low temperature and can be used in the field of food processing. The oyster protein and the soybean protein isolate are combined, so that the composite gel has excellent gel strength, smooth texture and long-acting storage stability, no organic chemical reagent or food additive is used in the preparation process, the formula safety is ensured, the process is simple and convenient, and the composite gel shows huge application value and industrialization prospect.

The invention discloses a slow automatic gas generation foam gel base fluid and a preparation method thereof, and relates to the technical field of oil exploitation and profile control and water plugging. The slow-speed gas self-generating foam gel base solution comprises a gas generating agent, a thickening agent, a pH stabilizer, a cross-linking agent, a foaming agent and water, the gas generating agent comprises an amine substance and a nitrous acid oxidizing agent, the pH stabilizer is a buffer solution, the cross-linking agent is a cross-linking agent, and the foaming agent is a foaming agent. The cross-linking agent is a coordination compound formed by one or more of titanium ions, chromium ions, aluminum ions, zirconium ions or boron ions and organic acid. The slow-speed gas self-generating foam gel base fluid provided by the invention realizes controllability and slow speed of cross-linking reaction and gas generation reaction, and can improve the stability of the base fluid at normal temperature, prolong the cross-linking time and the gas generation period and improve the gas generation efficiency during application. The safety of the system can be enhanced, the injection pressure of the base fluid can be reduced, the plugging strength can be improved, deep profile control and plugging can be realized, and the crude oil recovery rate can be improved.

Methods, devices and systems are described for gel-based modulation of neural tissue, including prevention of nerve regeneration and neuroma formation. The gel can be delivered to selected target locations within or proximate nerves, including interfascicularly and intrafascicularly. Gel delivery associated with an operative procedure for the treatment of pain and other indications is also disclosed.

The invention relates to a temperature sensor comprising a sensor gel comprising a polymer, water and ions, and a first and a second electrode separated from each other by said sensor gel. The invention further relates to a system comprising a temperature sensor, a voltage source or electric current source, and a measurement device for detecting voltage or electric current. The invention further relates to a bolometer and a temperature sensor array. The invention further relates to a method for temperature detection, wherein a temperature sensor is provided, a voltage or an electric current between the first electrode and the second electrode of the temperature sensor is provided, an electric current or a voltage between the first electrode and the second electrode is measured, and a temperature is determined from the measured electric current or voltage.

The invention relates to a metal ion regulation-based ayu pectin gel forming method and application thereof. The method comprises using monovalent or divalent metal ions (such as Ca < 2 + >, Mg < 2 + >, Na < + >, K < + > and the like) to regulate the formation of the Ayu pectin gel. The preparation method comprises the following specific preparation steps: firstly, dissolving Aiyu pectin in deionized water, and uniformly stirring to prepare a pectin solution; then adding a required metal ion solution, and regulating and controlling the concentrations of different metal ions, so that the metal ions interact with pectin molecules; and standing the mixed solution at room temperature for a certain time, and inducing to form stable pectin gel. The method has the advantages that crosslinking of pectin molecular chains is regulated and controlled through metal ions, and the mechanical property and the water holding capacity of the gel can be remarkably improved; in addition, extra energy input is not needed, and the preparation process is simple, efficient, environment-friendly and green; the finally formed pectin gel has good thermal stability and structural strength, and is suitable for food, health care products and other fields.

The invention relates to a gel-based wave-absorbing material as well as a preparation method and application thereof. The gel-based wave-absorbing material comprises a polymer serving as a framework, hydrophobic ionic liquid, a photoinitiator and a cross-linking agent, the polymer serving as the framework is formed by polymerizing monomers, and the monomers are hydrophilic monomers and / or hydrophobic monomers; the gel-based wave-absorbing material is a hydrophobic, transparent, stretchable and tough ionic gel; the ionic gel is prepared from hydrophobic ionic liquid, a hydrophobic monomer, a hydrophilic monomer, a cross-linking agent and a photoinitiator through photocuring and carbonization. The gel-based wave-absorbing material can be used as an electromagnetic wave-absorbing material, is applied to the sensing field and is used for absorbing electromagnetic waves in X and Ku wave bands.

The invention discloses a mandarin fish prefabricated dish detection method and system and a computer readable storage medium. The mandarin fish prefabricated dish detection method comprises the following steps: acquiring a gel strength original value, an elasticity original value, a water activity original value, an RGB image, a temperature value and a bacteria amount original value of a sample; preprocessing the elasticity original value, the moisture activity original value, the RGB image and the bacteria amount original value to form a first feature vector and a second feature vector corresponding to the sample; calculating the first feature vector and the second feature vector by using a preset neural network model to obtain a first qualified weight corresponding to the sample; on the basis of the original gel strength value, the temperature value and a gel strength correction model, calculating a gel correction strength value corresponding to the sample, and on the basis of the gel correction strength value, obtaining a second qualified weight corresponding to the sample; and on the basis of the first qualified weight and the second qualified weight, calculating a qualified coefficient of the sample, and outputting a second signal value that the sample is unqualified.

The invention relates to the field of biological medicine, and discloses eutectic gel based on protein as well as a preparation method and application of the eutectic gel. The eutectic gel based on the protein comprises the following components: gelatin, an antibacterial component and a deep eutectic solvent, and the Gel-COS-Ed eutectic gel comprises the following components: gelatin, chitosan oligosaccharide, emodin, glycerol and betaine. Heating and dissolving gelatin and antibacterial components, and solidifying to obtain gelatin gel; and placing the gelatin gel in a deep eutectic solvent to obtain the eutectic gel based on the protein. The tensile strength of the obtained Gel-COS-Ed eutectic gel is 1.01 MPa, the fracture strain can reach 510%, the Gel-COS-Ed eutectic gel has no obvious phase change in the temperature range of-80 DEG C to 80 DEG C, the bacteriostasis rate on staphylococcus aureus reaches 95.7%, and a new solution is provided for application of wound dressings and biomedical materials.

The invention discloses cellulose nanocrystal Pickering emulsion gel with stable protein hydrophobic modification and a preparation method of the cellulose nanocrystal Pickering emulsion gel, oil-in-water type emulsion gel is prepared and formed under the shearing action based on cellulose nanocrystals (CNCs) coated with protein or protein sodium salt with an isoelectric point in a range of 4-6, so that a stable gel network structure is formed; by adjusting conditions of different protein coating proportions, particle concentrations and internal phase proportions, the emulsion gel can obtain different processability, and the emulsion gel based on different performance differences has good application flexibility in 3D printing. The main materials are safe in source and have good biocompatibility and biodegradability, the modification method is green and safe, and the prepared emulsion gel can be used as a food 3D printing base material or a nutrient substance loading material.

The invention discloses periodontitis targeted sustained-release gel based on epithelial training immunization and a preparation method thereof, and relates to the technical field of biological medicine, and the preparation method comprises the following steps: modifying poloxamer, and dissolving the modified poloxamer in anhydrous acetonitrile; the preparation method comprises the following steps: dissolving RGD peptide in a PBS (Phosphate Buffer Solution), adding N-hydroxysuccinimide and 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide, and activating to obtain an activated RGD peptide solution; adding the activated RGD peptide solution into the modified poloxamer solution, and reacting at room temperature to obtain RGD peptide modified poloxamer; the RGD peptide modified poloxamer solution is mixed with a beta-glucan solution and a TLR2 agonist solution, and the periodontitis targeted slow-release gel is obtained. The gel provided by the invention specifically targets gingival epithelial cells, reduces inflammatory response and promotes periodontal tissue regeneration, has good biocompatibility and slow release performance, and can effectively control periodontitis and prevent relapse.

The present invention discloses a mine fire prevention and extinguishing gel based on temperature-controlled release and its preparation method, belonging to the technical field of fire prevention and extinguishing materials. The mine fire prevention and extinguishing gel includes a sodium silicate solution and microcapsules. The microcapsules include a core composed of an acidic reagent and a capsule wall coated outside the core. The core is an acidic reagent, and the capsule wall is a copolymer of gelatin and polysaccharide. When the mine fire prevention and extinguishing gel flows through a suspected high-temperature area, if the gel encounters a real high-temperature area, the microcapsule wall material in the mine fire prevention and extinguishing gel melts, and the acidic substance wrapped by the wall material undergoes a phase change with the sodium silicate solution to generate a silicate gel. The formed silicate gel increases in viscosity, weakens in fluidity, and accumulates at the high-temperature location, completing the identification and residence of the real high-temperature area. It solves the problems of the traditional temperature-sensitive phase change gel having too high an initial viscosity before phase change, losing too much water during phase change, and slow gel formation, realizes the targeted identification and residence of high-temperature points in the fire area, and the material is non-toxic and has a low cost, with broad application prospects.

The invention discloses a cement-water glass gel strength evaluation method and system based on big data. The method comprises the steps of data acquisition, feature mapping, hidden variable estimation, hybrid model training, interpretability output and strength evaluation. The invention relates to the technical field of intelligent evaluation of materials, in particular to a cement-water glass gel strength evaluation method and system.The cement-water glass gel strength evaluation method based on big data comprises the steps that persistent coherent information is converted into continuous persistent images with physical weights and discretized into vectors, and differentiable microcosmic features are constructed in combination with spectral peak features, porosity and particle size; by taking generalized Afframi dynamics as a skeleton, mapping microscopic characteristics into kinetic parameters, introducing temperature and humidity coupling, and realizing online estimation and uncertainty quantification of gel reactivity by combining extended Kalman filtering; a hybrid model of physical prior and neural network correction is constructed, and physical constraint and data-driven training are combined, so that the accuracy, physical consistency and generalization ability of evaluation are improved.

This invention belongs to the field of intelligent soft materials and discloses a multifunctional conductive eutectic gel based on N-isopropylacrylamide, its preparation method, and applications. The multifunctional conductive eutectic gel comprises a eutectic solvent, a polymer monomer, PDA@Ag, a crosslinker, an initiator, and water. Strain sensing tests have demonstrated that the gel exhibits excellent strain sensing performance, making it suitable for monitoring movement of different parts of the human body and personal health. Furthermore, the gel exhibits a liquid crystal transition (LCST), enabling transparency switching at temperatures above and below the LCST, broadening its application in anti-counterfeiting applications.

The invention belongs to the field of cosmetics and food, and discloses a diglyceride-based smearing water-out type emulsion gel as well as a preparation method and application of the diglyceride-based smearing water-out type emulsion gel. According to the invention, the diglyceride-based solid micro-capsules are prepared firstly, and then the diglyceride-based solid micro-capsules, the vegetable oil and the water are dispersed, mixed and sheared to obtain the emulsion with a good water outlet effect, and the emulsion is small in particle size, and has good storage stability, a soft cream form and a plastic structure. In the smearing process of the emulsion, the cream is quickly melted, fine and dense water drops are released, no greasy and heavy skin feeling exists, quick moisturizing can be achieved, the cool skin feeling and the unique experience feeling are brought, and the multifunctional skin care cream or ointment can be prepared by adding other active substances, essence and the like.

The invention discloses earphone sleeve gel based on a Chinese herbal medicine slow release technology, and belongs to the technical field of earphone accessories, the earphone sleeve gel comprises 15%-25% of a Chinese herbal medicine extract, the Chinese herbal medicine extract is an active component extracted from Chinese herbal medicine with antibacterial and anti-inflammatory characteristics through 95% ethanol, and the Chinese herbal medicine comprises at least one of fructus forsythiae, salvia miltiorrhiza and clove; according to the preparation method disclosed by the invention, the fructus forsythiae and the radix salviae miltiorrhizae are extracted by 95% ethanol according to a ratio of 1: 1, and a 0.3% nano-silver ion uniform dispersion process is combined, so that a'bimodal antibacterial component slow-release matrix 'is constructed. Wherein the ultrasonic treatment and rotary evaporation concentration technology ensures the synergistic stable loading of active ingredients of Chinese herbal medicines and nano-silver ions, so that the system can continuously release antibacterial ingredients within 24 hours, and the release amount reaches 60% of the initial content.

The invention relates to the technical field of pharmaceutical preparations, in particular to composite condensing gel based on photodynamic therapy and a preparation method of the composite condensing gel. The preparation method of the composite condensate gel based on photodynamic therapy comprises the following steps: preparing a BSA (Bovine Serum Albumin) solution, uniformly mixing an inulin mother solution with the BSA solution, adjusting the pH value, heating in a water bath, cooling to room temperature, adding 5-aminolevulinic acid methyl ester hydrochloride into the condensate gel, adding an acid coagulant, diluting, and filling CO2 gas. According to the invention, CO2 is added into the composite condensation gel, so that the binding force of hemoglobin and O2 in tissues absorbing the composite condensation gel is reduced, and the concentration of free oxygen is improved, so that the composite condensation gel can transfer energy to surrounding oxygen and generate singlet oxygen with strong activity, thereby killing cancer cells and achieving the effect of improving the curative effect of photodynamic therapy.

The invention discloses oil gel based on hermetia illucens oil as well as a preparation method and application of the oil gel, and relates to the technical field of biological medicines. According to the oil gel based on the hermetia illucens oil, the hermetia illucens oil is used as a grease matrix, and a stable lipid network structure is constructed by combining monoglyceride from hermetia illucens and vegetable wax. The hermetia illucens oil is derived from an animal lipid metabolism system, the fatty acid chain length distribution, the polarity characteristic and other aspects of the hermetia illucens oil are highly similar to those of a human skin cuticle lipid system, a continuous lipid covering layer can be formed on the surface of a burn wound, and the wound barrier condition is effectively improved; meanwhile, antioxidant fat-soluble components contained in the hermetia illucens oil are beneficial to reducing the local oxidative stress level of the wound surface and improving the microenvironment of the wound surface. The oleogel provided by the invention is suitable for external nursing of burn wounds, has dual functions of bionic barrier construction and antioxidant synergistic regulation, and can provide a novel and efficient biomedical material for burn wound repair.

The invention belongs to the technical field of functional high polymer materials and water resources, and discloses a method for preparing a water-based hydrogel, which comprises the following steps: adding a solution containing acrylamides and a photoinitiator and a solution containing the photoinitiator and acrylic acid-2-hydroxyethyl ester into a saturated solution of hygroscopic salt to form a pre-gel solution; wherein the acrylamides are any one or more of acrylamide and N-isopropylacrylamide, and the acrylamide is one or more of acrylamide and N-isopropylacrylamide; and carrying out illumination polymerization on the pre-gel solution to form a gel base material, and drying to obtain the moisture absorption salt in-situ doped high-water-retention hydrogel material. According to the preparation method disclosed by the invention, a copolymerization reaction is initiated by ultraviolet light of acrylamide and acrylic acid-2-hydroxyethyl ester, moisture absorption salt is introduced in situ, and the double-network structure hydrogel with synergistic chemical cross-linking and physical cross-linking is constructed, so that the key problems of high energy consumption, salt leakage and limited humidity adaptability of traditional atmospheric water collection gel preparation are solved; and a solution is provided for obtaining low-cost and high-performance water resources in arid regions.

The invention discloses PEDOT conductive gel based on a bacterial cellulose PSS template, a preparation method of the PEDOT conductive gel and application of the PEDOT conductive gel in a biosensor, and belongs to the technical field of conductive gel. The method comprises the following steps: carrying out mechanical crushing treatment on bacterial cellulose to obtain treated bacterial cellulose; sodium p-styrenesulfonate is combined with the treated bacterial cellulose in a physical blending mode and a chemical grafting mode, and a BC / PSS template and an ACBC-g-PSS template are formed; and carrying out oxyradical polymerization and deposition on the EDOT in the formed BC / PSS template and BC-g-PSS template by using ammonium persulfate to obtain the PEDOT conductive gel based on the bacterial cellulose PSS template. The preparation method has the beneficial effects that the bacterial cellulose is used as a template, so that the conductivity of the conductive hydrogel is improved, the safety and compatibility of the conductive hydrogel in a living body are ensured, and a foundation is laid for the application of the conductive hydrogel in the field of biomedicine.

The application discloses a silicon carbide part preparation method based on gel injection molding, and steps include: mixing and ball-milling silicon carbide powder, carbon black, phenolic resin, solvent, dispersing agent and acrylic crosslinking agent to obtain first slurry; adding curing agent to the first slurry, continuing ball-milling, and removing bubbles to obtain second slurry; pouring the second slurry into a polypropylene mold, curing, and demolding to obtain a wet blank; drying and sintering the wet blank to obtain a silicon carbide part. The method has high uniformity, low defect control and complex shape manufacturing capacity, can be used for preparing large-size silicon carbide devices, and is suitable for industrial large-scale production. Phenolic resin and acrylic crosslinking agent are used as binders, gradient curing can be performed to prevent particle sedimentation, uniform blanks can be generated, and nano-carbon can be generated by pyrolysis of phenolic resin, which can fill pores, inhibit the formation of silicon points, and in-situ generate nano-silicon carbide, so that the density and mechanical properties of the sintered body are significantly improved.