26 results about "Chitosan hydrochloride" patented technology

The invention discloses a preparation method and application of a sodium-ion battery positive electrode material, and relates to the technical field of sodium-ion batteries, and the preparation method comprises the following steps: (1) dissolving a compound containing a Cr element in water, adding the solution into a reaction kettle, gradually dropwise adding a NaOH solution, after the reaction is completed, gradually adding a chitosan hydrochloride aqueous solution into the reaction kettle according to a certain ratio, and stirring to obtain a mixed solution; after reacting for a certain time, filtering, washing and drying to obtain chitosan-coated chromium hydroxide Cr (OH) 3 (at) CS; (2) blending the Cr (OH) 3 (at) CS prepared in the step (1) with a sodium source according to a certain molar ratio, sintering the mixture under protective gas, and then grinding and sieving to obtain a carbon-coated sodium chromite positive electrode material NaCrO2 (at) C; the sodium-ion battery has good electrochemical performance and cycle performance, and the sustainable development of the sodium-ion battery industry is promoted.

The invention provides a whitening and spot-fading skin care composition and a preparation method thereof, and belongs to the technical field of whitening and skincare, and the composition comprises modified glabridin, a nicotinamide-tranexamic acid co-coating, an alhagi sparsifolia flower extract and an artemisia desertorum seed extract. The modified glabridin is obtained by modifying glabridin with tocopherol succinate, polyethylene glycol and artemisia desertorum seed gum. The nicotinamide-tranexamic acid co-coating is obtained by coating a mixture of nicotinamide and tranexamic acid with sodium alginate and chitosan hydrochloride. The alhagi sparsifolia extract is obtained by carrying out common enzymolysis on alhagi sparsifolia dry powder through compound enzyme and glucosidase and purifying through a mixed filler adsorption column, and the artemisia desertorum seed extract is obtained by fermenting artemisia desertorum seed powder through aspergillus oryzae, removing impurities through ADS-7 resin and purifying through a polyamide resin column. The effective components are prepared by adopting a special preparation and purification method and are matched according to a specific ratio for use, and the whitening effects of inhibiting tyrosinase, blocking melanin generation, scavenging free radicals and the like are achieved through multi-effect synergism.

The invention relates to low-sugar gum soft sweets and a preparation method thereof. The soft sweets comprise the following raw materials in parts by weight: 18-35% of a pectin compound, 40-50% of a sweetening agent, 3-5% of a plasticizer, 0.3-0.8% of malic acid, 0.2-0.5% of sodium citrate and the balance of deionized water. Wherein the pectin compound comprises the following raw materials in percentage by weight: 10-20% of a cation matrix, 15-25% of an anion matrix, 5-10% of a neutral matrix and the balance of deionized water; the cation matrix comprises chitosan hydrochloride and calcium salt, the anion matrix comprises the following raw materials: low-methoxyl pectin, high-methoxyl pectin, ellagic acid and cumaric acid, and the neutral matrix is locust bean gum. The cation matrix, the anion matrix and the neutral matrix of the pectin compound cooperate to make up the defects of weak structure, poor water retention, easy aging and the like caused by sucrose deficiency in a low-sugar environment, so that the soft sweets have both elasticity and toughness.

The application discloses a kind of anthocyanin-loaded β-cyclodextrin-chitosan / chondroitin sulfate nanoparticles and preparation method and application thereof.The preparation method steps include: (1) β-cyclodextrin is dissolved in deionized water, anthocyanin is added, then stirring treatment is carried out, to obtain the anthocyanin-loaded β-cyclodextrin complex solution;(2) anthocyanin-loaded β-cyclodextrin complex solution is added with chitosan hydrochloride solution and chondroitin sulfate solution respectively, stirring treatment is carried out and pH is adjusted to 3.6-4.0 by adding acid, to obtain the anthocyanin-loaded β-cyclodextrin-chitosan / chondroitin sulfate nanoparticle solution.The anthocyanin-loaded β-cyclodextrin-chitosan / chondroitin sulfate nanoparticles prepared by the application have particle size of 101.41-117.7nm, and encapsulation efficiency reaches 91.3%-94.7%;Anthocyanin has good stability under high temperature, light, adverse pH environment and ascorbic acid stress conditions, and has slow release performance.

The invention discloses a soft capsule containing aloe, folium sennae and fructus cannabis oil. The soft capsule comprises a content, a middle film and a soft capsule shell, the content comprises the following raw materials in parts by weight: 3-4 parts of aloe whole leaf powder, 7-9 parts of a folium sennae extract, 13-16 parts of hemp seed oil, 2-3 parts of an emulsifier, 2-4 parts of an antioxidant A, 3-4 parts of beewax and 60-70 parts of soybean oil; the soft capsule shell comprises the following raw materials in parts by weight: 30-32 parts of gelatin, 8-10 parts of chitosan hydrochloride, 10-12 parts of sorbitol, 4-6 parts of a hydrophobic material, 1-2 parts of an antioxidant B and 40-45 parts of water; the raw material of the middle film is a mixture of fucoidin, sodium alginate and vitamin C. The invention further discloses a preparation method of the aloe, folium sennae and fructus cannabis oil soft capsule. The problems that the aloe, folium sennae and fructus cannabis oil soft capsules are easy to disintegrate slowly and leak liquid can be solved.

This invention discloses a method for preparing a highly antioxidant, color-changing, intelligent active food preservation film containing bilberry anthocyanins, belonging to the field of food preservation technology. An ACNs-CHC / CMC-WPI nanocomposite is constructed through the encapsulation of chitosan hydrochloride (CHC), carboxymethyl chitosan (CMC), and whey protein isolate (WPI). Using corn starch, chitosan, and 30 wt% glycerol as a base material, the anthocyanin-loaded nanocomposite is introduced as a functional component and formed on the surface of an acrylic sheet via solution casting. This food preservation film exhibits excellent mechanical properties and effectively inhibits spoilage and the proliferation of pathogenic bacteria in high-protein aquatic foods (such as white shrimp), reduces the formation rate of biogenic amines, and significantly slows down the deterioration process of food quality. Furthermore, the surface color of the film changes with the pH value of the target meat, providing a visual monitoring method for food freshness and can also be used for rapid detection of food freshness.

This invention relates to an antibacterial agent derived from the peel of *Guiqi* mango and its preparation method, belonging to the field of natural product nanoparticle technology. The method aims to solve the technical problem of how to simultaneously achieve efficient co-extraction of water-soluble and lipid-soluble antibacterial components in a continuous process, and to immediately stabilize easily oxidized components, as well as to construct a high-encapsulation-rate nanoparticle antibacterial agent. The key technical points are: after mixing dried mango peel powder, β-cyclodextrin, and deionized water, a high-voltage pulsed electric field is used to simultaneously achieve cell wall disruption extraction and in-situ molecular inclusion of active ingredients; subsequently, the obtained inclusion extract is mixed with chitosan hydrochloride solution, and then ion cross-linked by adding sodium tripolyphosphate aqueous solution to construct composite nanoparticles; finally, after ethanol aging, centrifugation purification, and redispersing in buffer solution, the final product in nanoparticle form is obtained. The antibacterial agent prepared by this method can be used in the fields of preservation and antibacterial activity.

The invention discloses a flame-retardant protective composite coating for a pipeline and a preparation method of the flame-retardant protective composite coating, and relates to the technical field of coatings. The flame-retardant protective composite coating for the pipeline is prepared from an enhanced chitosan hydrochloride modified casein caprolactam-based microcapsule emulsion, a latex binder and an NDZ-201 titanate coupling agent, wherein the enhanced chitosan hydrochloride modified casein caprolactam-based microcapsule emulsion is prepared from the enhanced chitosan hydrochloride modified casein caprolactam-based microcapsule emulsion; the NDZ-201 titanate coupling agent is connected with the enhanced chitosan hydrochloride modified casein caprolactam-based microcapsule emulsion and the latex binder, so that the interfacial compatibility and binding property of the enhanced chitosan hydrochloride modified casein caprolactam-based microcapsule emulsion and the latex binder are improved, the microcapsules are prevented from falling off from the latex binder, the interface defects between the microcapsules and latex are reduced, the compactness and isolation property of the coating are improved, and the service life of the coating is prolonged. And meanwhile, the binding force of a three-phase interface with the surface of a metal base material is enhanced through the binding characteristic and chemical bonding, and the wear resistance, the flame retardance and the corrosion resistance of the coating are remarkably improved.

This invention, entitled "A Xanthohumulin Microcapsule, Its Preparation Method, and Its Application," belongs to the field of cosmetic technology. The technical problem to be solved is to provide a xanthohumulin microcapsule with higher stability, better encapsulation effect, simpler operation, and higher cost-effectiveness. The key technical points are: a xanthohumulin microcapsule, characterized in that the raw materials for preparing the xanthohumulin microcapsule include: xanthohumulin, component A, component B, and dipropylene glycol; the mass ratio of xanthohumulin to component A and component B is 0.01-1:0.25:0.075-0.5; component A is whey protein or whey protein peptide; and component B is chitosan hydrochloride.

The invention discloses micro-capsule powder containing flax polypeptide as well as a preparation method and application of the micro-capsule powder. The micro-capsule powder containing the flax polypeptide is prepared from the following raw materials: a composite emulsion core material, wax liquid and a composite wall material aqueous solution, the composite emulsion core material is formed by emulsifying and crosslinking linseed oil, soybean phospholipid, flax polypeptide, whey protein peptide and chitosan hydrochloride; the composite wall material aqueous solution is prepared from the following raw materials: Arabic gum, gelatin, a disintegrating agent and an enteric-coated material; forming a stable composite emulsion core material through electrostatic deposition; mixing a wall material solution containing the enteric-coated material and the disintegrating agent with the core material, and performing spray drying and wet and hot air treatment molding; and finally, carrying out surface hydrophobic modification and low-temperature curing. The technical problems that flax polypeptide easily absorbs moisture and is easily inactivated during processing and the flavor is easily influenced during brewing are effectively solved, and the flax polypeptide can be widely applied to health products such as instant nutritional brewing food and the like.

The invention provides a functional microbial fertilizer for improving root rot resistance of crops and a preparation process thereof, and belongs to the technical field of microbial fertilizers. The bacterial fertilizer is prepared from 10-20 parts of a functional microorganism complex microbial inoculant, 30-50 parts of a modified carrier, 20-40 parts of a nutrition conditioner and 1-5 parts of a stabilizer, the complex microbial inoculant is prepared by compounding bacillus amyloliquefaciens J12, pseudomonas fluorescens Y8 and trichoderma harzianum Z3 according to the viable count ratio of 3: 2: 1; the modified carrier is a decomposed straw-humic acid-vermiculite composite carrier modified by chitosan hydrochloride. The preparation process adopts a step-by-step fermentation method to prepare the complex microbial inoculant, and combines the steps of modified carrier preparation and bacterial fertilizer composite aging. According to the invention, the efficient prevention and treatment of root rot are realized through the synergistic effect of strains, the modified carrier improves the stability of viable bacteria, the nutrition conditioner promotes the growth of crops, and the test shows that the prevention and treatment effect reaches 85% or more, the viable bacteria survival rate exceeds 55% after 90 days of storage, and the composition has both disease resistance and growth promotion, and has wide application prospects.

The application discloses a traditional Chinese medicine composition for treating vaginitis and a preparation method thereof. The traditional Chinese medicine composition mainly comprises 12 Chinese herbal medicines, i.e. Sophora flavescens, Phellodendron chinense, Dictamnus dasycarpus, Herba Artemisiae Scopariae, Herba Taraxaci, Chrysanthemum indicum, Herba Portulacae, Cnidium monnieri, Angelica polymorpha, Herba Verbena, Herba Menthae and Saposhnikovia divaricata, and further comprises Salix viminalis, Eucalyptus, Ephedra sinica, anthocyanin quaternary ammonium salt, Ocimum basilicum, Houttuynia cordata, polysialic acid, polydopamine, antibacterial polypeptide modified chitosan hydrochloride and artemether. The traditional Chinese medicine composition is prepared by mixing traditional Chinese medicines and bactericidal and bacteriostatic biocompatible materials to prepare various medicaments. The traditional Chinese medicine composition is used for treating pruritus and leukorrhagia caused by endogenous insect poison and burning of yin fluid, and is used for treating bacterial vaginitis, mycotic vaginitis, trichomonal vaginitis and vulvitis. In clinical tests, the traditional Chinese medicine composition has remarkable treatment effect, and the cure rate is more than 95%.

This invention provides a chitosan-based edible film with a nano-network structure, its preparation method, and its application. The preparation method includes the following steps: 1) Adding zein to water, adjusting the pH, and then adding a phosphorylation reagent to obtain a mixed solution. After dialysis, centrifugation is performed, and the supernatant is freeze-dried to obtain phosphorylated zein nanoparticles; 2) Adding microcrystalline cellulose to FeCl3·6H2O solution, heating in a water bath, vacuum filtering, washing the precipitate until white, and freeze-drying the obtained precipitate to obtain cellulose nanocrystals; 3) Preparing a coating solution: Adding the phosphorylated zein nanoparticles and cellulose nanocrystals to a chitosan hydrochloride solution to obtain a coating solution; 4) Adding a plasticizer to the coating solution, ultrasonically degassing, and then pouring the mixture onto an acrylic plate to naturally form a film, thus obtaining an edible film. The chitosan-based edible film prepared by this invention can be used to reduce cherry cracking when exposed to rain. It is safe and non-toxic and has high market value.

The application discloses a resveratrol liposome-chitosan-alginic acid polyelectrolyte gel microparticle which is prepared from the following components and their mass fractions: resveratrol 0.1-1.0 parts, soybean lecithin 5-15 parts, chitosan hydrochloride 0.4-1.2 parts and sodium alginate 0.4-1.2 parts. The application also discloses a preparation method of the resveratrol liposome-chitosan-alginic acid polyelectrolyte gel microparticle. The resveratrol liposome-chitosan-alginic acid polyelectrolyte gel microparticle has obvious slow-release behavior, is beneficial to the absorption of resveratrol in the small intestine of a human body and improves the bioavailability. The preparation method of the resveratrol liposome-chitosan-alginic acid polyelectrolyte gel microparticle is simple and easy to implement, does not need to use organic solvents, has superior light and heat stability and prolongs the storage period of the resveratrol gel microparticle.

The invention relates to the use of chitosan hydrochloride as a tooth enamel remineralizing agent and dental or oral care products comprising chitosan hydrochloride for medical and aesthetic use.

The invention relates to a hair care composition comprising chitosan hydrochloride in an amount of 0.10% -0.75% by weight of said composition and said composition has a pH in the range of 5-6. Said composition protects hair from heat, increases hair thickness and / or hair density, reduces or prevents the hair from buildup of static electricity and / or electrostatic discharge, and promotes hair cuticle repair.

This invention, entitled "A Camellia Seed Oil Microcapsule Emulsion and Its Preparation Method and Application," belongs to the field of cosmetic technology. The technical problem it aims to solve is the deficiency in existing technologies where camellia seed oil is prone to rancidity, leading to reduced stability and bioavailability of formulations. This invention provides a camellia seed oil microcapsule emulsion system that can slow down the rancidity process, thus achieving a transition from oil-soluble to water-soluble camellia seed oil. The key technical solution is a camellia seed oil microcapsule emulsion, the raw materials of which consist of camellia seed oil, sodium caseinate, chitosan hydrochloride, PE9010, and a solvent.

The application discloses a preparation method and application of a sodium ion battery positive electrode material, relates to the technical field of sodium ion batteries, and comprises the following steps: (1) dissolving a compound containing Cr elements in water, adding the solution into a reaction kettle, gradually adding NaOH solution, adding a chitosan hydrochloride aqueous solution into the reaction kettle in proportion after reaction is completed, filtering, washing and drying after reaction for a certain time to obtain chitosan-coated chromium hydroxide Cr(OH)3@CS; (2) blending Cr(OH)3@CS prepared in step (1) with a sodium source in a certain molar ratio, sintering the mixture under a protective gas, and then grinding and screening to obtain a carbon-coated sodium chromite positive electrode material NaCrO2@C; the application has good electrochemical performance and cycle performance, and promotes sustainable development of the sodium ion battery industry.

The application discloses a multi-layer encapsulated gastrointestinal protective soft capsule of root extract of Litsea cubeba, which comprises a soft capsule content and a capsule shell, the soft capsule content is the root extract of Litsea cubeba, the capsule shell comprises an inner layer, a middle layer and an outer layer, the components of the inner layer are sodium alginate, high acyl gellan gum and shellac, the component of the middle layer is chitosan hydrochloride, and the component of the outer layer is tremella polysaccharide; wherein the soft capsule content is arranged in the inner layer of the capsule shell, and the density of the root extract of Litsea cubeba is 8.333 g / mL. The sodium alginate, the high acyl gellan gum and the shellac are used as the composite inner layer of the soft capsule shell, the chitosan hydrochloride is used as the middle layer material of the soft capsule shell, the soft capsule shell is digested in intestinal juice to achieve the purpose of protecting the intestine, the tremella polysaccharide is used as the outer layer material of the soft capsule shell, the soft capsule shell is digested in gastric juice to achieve the purpose of protecting the stomach, and finally the active components in the root extract of Litsea cubeba in the soft capsule content are released in the intestinal tract.

The invention relates to an anti-rhinitis allergy nursing spray and a preparation process thereof. The preparation raw materials of the skin care product comprise the following raw materials in parts by weight: 0.5 to 1.5 parts of chitosan hydrochloride, 0.5 to 1 part of polyoxyethylene 40 hydrogenated castor oil, 0.5 to 2 parts of a biodegradable amphiphilic block copolymer, 0.2 to 0.8 part of carboxymethyl chitosan, 0.05 to 0.15 part of hyaluronic acid, 0.5 to 1.5 parts of a lubricating agent, 5 to 9 parts of a humectant, 0.05 to 0.2 part of a thickening agent, 0.1 to 0.3 part of a preservative and 80 to 93 parts of water. The biodegradable amphiphilic block copolymer is a methoxy polyethylene glycol-polylactic acid block copolymer, and the biodegradable amphiphilic block copolymer is a methoxy polyethylene glycol-polylactic acid block copolymer. According to the application, the chitosan hydrochloride, the carboxymethyl chitosan and the methoxy polyethylene glycol-polylactic acid block copolymer cooperate with one another, so that the nursing spray has excellent properties of strong anti-allergy, long-acting mucous membrane protection and mild moisturizing at the same time.

The invention belongs to the technical field of waste gas purification. The invention provides a deodorant for purifying paint waste gas and a preparation method thereof.The method comprises the steps that S1, dried wormcast and an activating agent are evenly mixed according to the mass ratio of 2: 1, dipping is conducted for 24 h at the temperature of 80 DEG C, filtering and drying are conducted, activating is conducted for 2 h at the temperature of 620 + / -2 DEG C, and activated wormcast is obtained; s2, the activated wormcast is soaked in diluted hydrochloric acid for 30-32 min, filtered, washed to be neutral, dried and crushed, and inorganic modified wormcast is obtained; s3, taking 30 g of inorganic modified wormcast, adding 290-300 mL of concentrated sulfuric acid, stirring for 3 h, filtering, cleaning to be neutral, and drying to obtain a sulfonated product; and S4, uniformly mixing the sulfonated product with 740-760mL of a composite active agent, stirring at 30 DEG C for 3 hours, and carrying out suction filtration, washing, drying and crushing to obtain the product, the activating agent is a mixed aqueous solution of zinc chloride, phosphoric acid and boric acid; the composite active agent is a mixed aqueous solution of chitosan hydrochloride and hexadecyl trimethyl ammonium bromide. The methylbenzene purification performance of the prepared deodorant can be effectively improved.

This invention provides a skin-whitening and spot-fading composition and its preparation method, belonging to the field of skin-whitening technology. The composition includes modified glycyrrhizin, niacinamide-tranexamic acid co-coated compound, camel thorn flower extract, and artemisia seed extract. Modified glycyrrhizin is obtained by modifying glycyrrhizin with tocopheryl succinate, polyethylene glycol, and artemisia seed gum. The niacinamide-tranexamic acid co-coated compound is obtained by coating a mixture of niacinamide and tranexamic acid with sodium alginate and chitosan hydrochloride. Camel thorn flower extract is obtained by enzymatic hydrolysis of dried camel thorn flower powder with a compound enzyme and glucosidase, followed by purification using a mixed packing adsorption column. Artemisia seed extract is obtained by fermenting artemisia seed powder with Aspergillus oryzae, removing impurities with ADS-7 resin, and purifying using a polyamide resin column. This invention uses special preparation and purification methods to prepare each effective ingredient, which are used in specific ratios to achieve whitening effects through multi-effect synergy, including inhibiting tyrosinase, blocking melanin production, and scavenging free radicals.

The application discloses a kind of multifunctional water-soluble fertilizer based on biological stimulant and preparation method thereof, multifunctional water-soluble fertilizer includes the following components by weight parts: organic fertilizer extract 30-45 parts, biological stimulant suspension 10-20 parts;Calcium nitrate 6-10 parts, potassium nitrate 4-8 parts, potassium dihydrogen phosphate 3-6 parts, EDTA chelated zinc 0.2-0.5 parts, EDTA chelated magnesium 0.1-0.4 parts, deionized water 25-35 parts, dispersing agent 1-3 parts;The biological stimulant suspension includes the following components by weight parts: biological stimulant 0.05-0.4 parts, sodium alginate 1.0-2.0 parts, emulsifier 0.1-0.6 parts, potassium fulvic acid of mineral source 2.0-3.0 parts, chitosan hydrochloride 1.5-2.5 parts, sodium tripolyphosphate 0.5-1.0 parts, anhydrous ethanol 1-20 parts.The application replaces traditional strong acid strong alkali high-temperature hydrolysis by ladder directional enzymolysis process, can retain the original heat-sensitive biological active substance in organic fertilizer to the greatest extent, solves the problem that traditional process leads to biological stimulation function inactivation.

The invention discloses an integrated carbon source-microorganism / zero-valent iron core-shell structure fungicide as well as a construction method and application thereof in in-situ removal of halogenated organic matters in underground water, and belongs to the technical field of underground water pollution remediation. The problems that an existing dehalogenation repairing microbial agent is low in repairing efficiency, poor in stability, difficult in sustainability and the like are solved. Chitosan hydrochloride and sodium alginate are used as cationic / anionic polymers, a physical cross-linked polyelectrolyte layer is formed through electrostatic interaction, then an organic carbon source is coated, meanwhile, Ca < 2 + > is gradually released to be chelated with sodium alginate on the outer layer to form a hydrogel shell, and therefore the slow-release composite repairing microbial agent of a multi-layer core-shell structure is obtained. The nutrient tissue on the inner layer is wrapped by the polyelectrolyte layer and is separated from the microorganism fixing layer on the outer layer. In the application process, nutrient substances are uniformly and controllably conveyed from inside to outside and are used for growth and metabolism of outer-layer microorganisms, so that the utilization rate of the slow-release carbon source is higher, and the growth and reproduction of functional microorganisms are better ensured.

The invention relates to ethephon seed treatment liquid as well as a preparation method and application thereof. The liquid comprises the following components in percentage by mass: 15%-30% of ethephon, 0.5%-1.5% of chitosan hydrochloride, 2%-5% of porous starch, 1%-3% of a penetrating agent, 1%-2% of a buffering agent, 0.05%-0.2% of a chelating agent, 0.1%-0.5% of a suspension stabilizer and the balance of water; and the pH value is 2.5-3.0. The preparation method mainly comprises the steps of dissolving, shearing and dispersing, mixing, adjusting pH and the like. After being used for seed soaking treatment, the liquid can be matched with an insecticide for seed dressing, so that an'immune induced resistance-chemical prevention and control 'dual prevention and control system is constructed. Compared with a conventional ethephon agent, the preparation provided by the invention can significantly improve the adsorption capacity and the uptake conduction efficiency on the seed surface, and effectively solves the problems of poor adhesiveness and easy loss of a traditional preparation. After the composition is combined with an insecticide, a synergistic effect can be achieved, the prevention and control effect on target pests is improved, and a technical support is provided for pesticide decrement and synergism.

The invention discloses a theaflavin-loaded chitosan / beta-lactoglobulin nano composite material and a preparation method thereof, and belongs to the technical field of tea and food processing. The method comprises the following steps: sequentially carrying out first mixing on theaflavin and a chitosan hydrochloride solution, carrying out second mixing on theaflavin and a carboxymethyl chitosan solution, carrying out third mixing on theaflavin and a beta-lactoglobulin solution, and carrying out centrifugal treatment on a mixed solution obtained by the third mixing to obtain the theaflavin-chitosan / beta-lactoglobulin nano composite material, the pH (Potential of Hydrogen) value of the carboxymethyl chitosan solution is 5.8 to 6.2. According to the method disclosed by the invention, the bio-accessibility and stability of theaflavin can be improved.