219results about How to "High content of active substances" patented technology

Slow-release matrix pellets with a spherical or lenticular shape and uniform maximum diameters in the range from 0.5 to 4 mm, composed ofa) 0.1-87% by weight of at least one biologically active compound,b) 5-50% by weight of at least one water-insoluble polymer,c) 5-45% by weight of at least one lipophilic component as plasticizer for polymer b),d) 3-40% by weight of a natural or semisynthetic gel former,e) 0-50% by weight of one or more conventional formulation aids.

The invention discloses a preparation method of a silicon and carbon-coated graphene composite cathode material. The technical problem to be solved is to enhance the electronic conductivity of the silicon-based cathode material, buffer the volume effect produced in the process of deintercalation of the lithium in the silicon-based cathode material and enhance the structure stability in the circulation process of the material at the same time. The material is prepared by using a spray drying-thermally decomposing treatment process in the invention. The preparation method comprises the following steps of: evenly dispersing nano silicon and graphite micro powder in a dispersion solution of oxidized graphene, carrying out thermal treatment under an inert protection atmosphere after spray drying, subsequently cooling along a furnace to obtain the silicon and carbon-coated graphene composite cathode material. The extra binder does not need to add in the process of manufacturing balls in the invention and the outer oxidized graphene is thermally reduced in situ to graphene in the thermal treatment process of the composite precursor, so that the process is simple and easy to operate; and the practical degree is high. The prepared composite material has the advantages of great reversible capacity, designable capacity, good cycling performance and high-current discharging performance, high tap density and the like.

The invention relates to a Chinese wolfberry ferment preparation method, aims to provide Chinese wolfberry ferment prepared by Chinese wolfberry treatment, enzymolysis, glucose reduction fermentation, lactic acid fermentation, ultrasonic low temperature concentration, blending, drying, crushing and other processes, , the method has the advantages of simple process, less addition agent and no residue, by the use of Chinese wolfberry defective products, the active substance content in the Chinese wolfberry ferment product can be promoted, the waste of resources can be reduced, the purposes of the comprehensive utilization of resources and improvement of the product added value can be achieved, and good economic and environmental benefits are obtained.

The invention relates to a cationic acrylamide copolymer aqueous emulsion-water and the method for preparing the same. The compound comprises 5-25 wt% of cationic polymer, 1.0-15 wt% of polymer stabilizer and 15-32 wt% inorganic salt. Said active cationic polymer comprises 72.8-90 mol% of at least one water-soluble monomer (A), 10-26 mol% of at least one cationic monomer (B), and 0.2-1.0 mol% of at least one hydrophobic monomer (C), and said polymer is prepared through free radical polymerization with pH being 3-8. The monomer (A) (B) possesses general formula respectively, monomer (c) is C1-C8 dialkyl ester of itaconic acid or C1-C32 alkyl ester of acroleic acid or C1-C32 alkyl ester or diene monomer of methacrylic acid. The method is multi-stage, and it can reduce polymerization system viscosity, increase active material content and stability of aqueous emulsion-in-water, which is characterized by high concentration, low cost, good fluidity and easiness for treatment.

A vaccine composition which comprises an immnunologically active substance embedded in microparticles essentially consisting of starch having an amylopectin content exceeding 85% by weight, of which at least 80% by weight has an average molecular weight within the range of 10-10000 kDa, and without any covalent chemical cross-linking between the starch molecules. A process for preparing such vaccine composition.

In this invention, fatly acid and ethanolamine are proportioned and under ester-aminated, then reacting with dimethyl carbonate to produce ester-amine type quaternary ammonium salt. Said invention p rocess of synthesis has high transforming rate, excellent selectivity, high content of active matter in said product, utilizing no pollution type raw material of dimethyl carbonate, so, no remaining of poison in product, lowering quaternary ammonium salt pollution to environment and to human health.

An ethoxylate ester quaternary ammonium salt has chemical structural formula as follows, wherein R is C6-C22 saturated or unsaturated straight-chain or branched-chain alkyl; X represents an alkylated anion; n is the number of hydroxyethyl in the ester quaternary ammonium salt, and is 0, 2 or 3; n+b=3; b is 1, 2 or 3; and m is the number of ethoxyl, and is 1-30. The method has advantages of high conversion rate and good selectivity. The product has high content of active matters.

The invention provides a composite leather greasing agent used for a leather greasing work procedure and a preparation method thereof. The composite greasing agent comprises two ingredients: alkyl phosphate and disodium sulfosuccinate. The preparation method comprises the following steps: making hydroxylated animal and vegetable oil and modifiers thereof take phosphorylation reaction with phosphorus pentoxide; then, making obtained materials take monoester reaction with maleic anhydride; and next, making obtained materials take sulphitation reaction with sodium bisulfite to obtain the composite leather greasing agent with the two ingredients of alkyl phosphate and disodium sulfosuccinate. The composite leather greasing agent has the characteristics of high active matter content, strong combination capability with leather and good comprehensive greasing performance. The production process of the composite leather greasing agent is simple, and the discharge of the three wastes does not occur in the production process.

The invention discloses a gel composite positive pole plate. The gel composite positive pole plate is characterized by comprising a positive active substance, a conductive agent, a gel electrolyte, abinding agent and a current collector, wherein the binding agent, the conductive agent, the gel electrolyte and the positive active substance form a layered structure on a surface of the current collector, and the conductive agent and the gel electrolyte are uniformly dispersed in the positive active substrate and are associated via the binding agent. The invention also discloses a method for preparing the gel composite positive pole plate and a method for preparing an all-solid-state lithium battery.

The present invention is continuous solvent-free process of synthesizing ester-base quaternary ammonium salt, and features that at certain temperature, long chain tert amine carboxylate and alkylating agent as materials are mixed and reacted to produce ester-base quaternary ammonium salt in the structure as shown. The synthesis process of the present invention has continuous production, short reaction period, low power consumption, high conversion rate and high selectivity and the product with high active component content may be used as fabric softening agent, leather softening agent, disinfectant, etc.

The invention provides a method for preparing a seaweed extracting solution and a rotation basket extracting device. The preparing method includes the steps that seaweed and activated carbon are thrown into a plurality of medicine baskets, and meanwhile solvent is added into a tank body; a motor is started, a center shaft is made to rotate, hence, the medicine baskets are driven to make centrifugal movement, and chemical substances included in the seaweed are extracted through the solvent; after extracting is completed, the extracting solution is discharged from a liquid medicine outlet; the extracting solution is settled through kieselguhr; supernate is collected, microfiltration is conducted through a ceramic membrane, permeate liquid is collected, and accordingly the seaweed extracting solution is obtained. The rotation basket extracting device comprises the tank body, the center shaft and the medicine baskets. The center shaft penetrates in the center of the tank body in a rotating mode, the medicine baskets are arranged on the center shaft, solvent inlets and a medicine change opening are formed in the top of the tank body, and the liquid medicine outlet is formed in the center of the bottom of the tank body. The method has the advantages of being simple in process, short in period, environmentally friendly and safe. The content of active substances of the prepared extracting solution is high, the number of varieties of active ingredients is large, and stability is achieved.

The invention provides a method for preparing a spherical anion surfactant with little pollution, low forming temperature, short time and good physicochemical property. The method comprises the stepsof adopting a granulating process of extruding and rolling to mix anion surfactant main material and auxiliary granulating material, conveying the mixture into an extruder consisting of a screw feeder, an extruding cylinder and a mesh plate, and processing the mixture to prepare round bar-shaped materials with different lengths; conveying the round bar-shaped materials into a rolling granulator; cutting the round bar-shaped materials into the short cylindrical material grains with consistent lengths by breaking teeth on a rotating centrifugal rotary table of the rolling granulator, subsequently kneading all materials into spherical grains under the cooperation of the centrifugal rotary table, the grains, the granulator walls and the gas among the granulator walls, subsequently drying and cooling the spherical grains to obtain the spherical anion surfactant with the solid content of 95-99.5% by weight percentage. The method is applicable to the production of surfactant.

The invention discloses a tea bran shampoo and a preparation method thereof and belongs to the technical field of bath goods. The tea bran shampoo comprises the following raw materials by weight percent: 5-20 percent of tea bran powder, 8-15 percent of sodium alcohol ether sulphate, 1-2 percent of sodium dodecyl sulfate, 2-3 percent of cocoamidopropyl betaine, 1.5-2.5 percent of pearlescent slurry, 1-2 percent of coconut oil diethanol amide, 0.15-0.25 percent of ethylenediaminetetraacetic acid disodium salt, 0.5-1.5 percent of guar hydroxypropyltrimonium chloride, 0.1-0.3 percent of citric acid, 0.2-0.4 percent of an essence, 0.1-0.3 percent of methylchloroisothiazolinone, 0.,05-0.15 percent of ethylparaben, 3-7 percent of carbomer and 45.6-77.4 percent of deionized water. The tea bran shampoo has the effects of removing dandruff, relieving itching, de-oiling, sterilizing, preventing hair loss and white hair and restoring damaged hair and also has obvious hair blacking and re-growing functions.

The invention relates to a concentrated laundry liquid suitable for machine washing, and a preparation method thereof. The above washing agent composition comprises 8-14wt% of dodecylbenzene sulfonic acid, 9-12wt% of fatty alcohol polyoxyethylene ether (7-9), 6-10wt% of sodium ethoxylated (7) fatty acid (C18) methyl ester sulfonate, 2-10wt% of sodium alpha-alkenyl sulfonate, 1-3wt% of lauric acid, 1-2wt% of caprylyl/capryl glucoside, 3wt% of ethanol, 5wt% of propylene glycol, 1-5wt% of sodium citrate, 1-3wt% of an anti-redeposition agent Acusol845, a small amount of an essence and an antiseptic, and the balance water. The concentrated laundry liquid is slightly alkaline, is suitable for the machine washing of fabrics comprising cottons, hemps, synthetic fibers and the like, and has the characteristics of low temperature stability, strong decontamination force, low foaming, easy rinsing high cost performance and the like; and the concentrated laundry liquid has the advantages of high enrichment, no phosphorus, no fluorescent brightening agent, good biodegradability and environmental protection.

The invention discloses a method for preparing fatty acyl potassium glycine and a composition containing the surfactant, and belongs to the technical field of fine chemical engineering. According to the technique for synthesizing a fatty acyl potassium glycine type surfactant, fatty acid methyl ester of a natural fat resource is taken as a raw material for synthesizing the fatty acyl potassium glycine type surfactant, that is, fatty acid methyl ester and potassium glycine react in the presence of a phase shifting catalyst PEG2000 to prepare fatty acyl potassium glycine and the composition containing the surfactant. The method is high in raw material utilization rate, high in yield, high in active matter content, high in surface activity, simple in synthesis route, and free of environment pollution and is a green synthesis technique, and products can be directly used without being separated or purified. The invention further discloses a surfactant composition containing the fatty acyl potassium glycine.

The invention relates to a preparation method of a compound fertilizer dedicated to ginkgo trees, in particular to a preparation method of the compound fertilizer dedicated to ginkgo trees by using blue-green algae as a base material, belonging to the technical field of fertilizers. The preparation method comprises the steps of squeezing blue-green algae to remove excessive moisture to obtain wet blue-green algae, sequentially adding water, cellulase and protease in parts by weight, mixing uniformly, heating, carrying out enzymolysis, and performing enzyme deactivation to obtain enzymatic hydrolysate; adding potassium sulphate in the enzymatic hydrolysate, heating, keeping the temperature for 3-5h, cooling, and carrying out vacuum concentration to obtain concentrated solution; adding sodium humate, potassium humate, ammonium bicarbonate, phosphogypsum, potassium citrate, zinc sulfate, amino acid, polyvinyl alcohol, cellulose and calcium carbide in the concentrated solution, stirring uniformly, spray-drying, and then granulating to obtain a product. The compound fertilizer dedicated to the ginkgo trees can enable the ginkgo trees to have higher stems and more leaves and have high content of active substances.

The invention discloses a method for preparing oil-acyl lysine sodium and a composition comprising the surfactant through phase-transfer catalysis, belonging to the technical field of fine chemical engineering. According to the technology for synthesizing an oil-acyl lysine sodium type surfactant provided by the invention, oil and lysine sodium are reacted to generate the oil-acyl lysine sodium in the presence of phase-transfer catalysts PEG8000. The method is high in yield and high in raw material utilization rate, the phase-transfer catalysts PEG8000 refer to matrix raw materials and active ingredients of detergents, cosmetics and medicines and has the effects of regulating the viscosity, stabilizing and moisturizing, the product does not need to be separated and purified and can be directly used, the product is a composition of acyl lysine sodium homolog of different carbon chains, the surfactant combination principle is met, the synergistic effect can be achieved, the content of active matters is high, the surface activity is high, the synthetic route is simple, the pollutants are avoided, and the method is an environment-friendly synthetic method. The invention also discloses a surfactant composition comprising the oil-acyl lysine sodium.

The invention discloses a carbon nanotube polymer lithium ion battery and a preparation method thereof. Based on mass percent of the carbon nanotube polymer lithium ion battery, an active substance of a positive electrode of the lithium ion battery is prepared from 50-60% of carbon nanometer coated lithium cobalt oxide and 40-50% of carbon nanometer lithium nickel manganese cobalt. The preparation method comprises the following steps of taking NMP as a solvent, and preparing the active substance of the positive electrode, a super-conduction carbon nanotube and polyvinylidene fluoride into a slurry; applying the slurry onto an aluminum-foil substrate to obtain a positive pole plate; applying a ceramic material layer onto isolation paper; and preparing the coated positive pole plate, the isolation paper, a negative pole plate and an electrolyte into the lithium ion battery according to a conventional method. Compared with a traditional lithium ion battery, the lithium ion battery disclosed by the invention has higher gram capacity and energy density, has more residual capacity after used for repeatedly charging/discharging for 500 times, and has longer cycle service lifetime.

The invention relates to preparation for panaxoside-Rd aqueous solution of propylene glycol and new application thereof in inflammation resistance, immune suppression and organ transplant rejection resistance. The invention provides panaxoside-Rd solution and a preparation method thereof. The solution is formed by dissolving the panaxoside-Rd in propylene glycol aqueous solution containing 50 to 100 volume percent of propylene glycol, and the content of the panaxoside-Rd is 1 to 100 mg/ml, wherein the volume percentage of the propylene glycol is based on the total volume of the aqueous solution of propylene glycol. The invention further provides a medicinal composition containing the solution of the invention and a preparation method thereof, and application of the panaxoside-Rd or the panaxoside-Rd solution of the invention in preparing a medicament for inflammation resistance, immune suppression and/or organ transplant rejection resistance.