45results about How to "Easy to use raw materials" patented technology

The invention belongs to the technical field of polymer materials and relates to a method for preparing a recyclable biological packaging material. The method forms the material by using starch, plant fibers and an additive as raw materials and by granulating in a double screw extruder and die pressing. The Packaging material comprises 50 to 70 mass parts of starch, 15 to 30 mass parts of plant fibers and 5 to 20 mass parts of additive. The preparation method comprises the following steps: (1) weighing the raw material, stirring the weighed raw material in a stirrer for 3 to 5 minutes, uniformly mixing and obtaining a mixture; (2) graduating the mixture in a double screw extruder, extruding from an extruding die, and obtaining a granular material or product mother batch, wherein the rotation speed of the screw is 100 to 120r / min, the extrusion temperature is 100 to 120 DEG C and the feeding speed is 100r / min; and (3) filling the extruded granular material in a flat plate vulcanizer, and die pressing the granular material to obtain the recyclable biological packaging material, wherein the die pressing time is 15 minutes, and the die pressing temperature is 120 to 140 DEG C. The overall process is simple, the used raw materials are readily available, the equipment technology is mature, the degrading performance of the recyclable biological packaging material is high, the utilization rate of the recyclable biological packaging material is high, and the recyclable biological packaging material is environment-friendly.

A Chinese medicine in the form of ointment for treating burn and scald without pain and scar is prepared from 17 Chinese-medicinal materials including rhubarb, phelodendron bark, tangerine peel, liquorice root, etc. Its preparing process is also disclosed.

The invention discloses a new organic compound with AIE effects (aggregation-induced emission), and belongs to the technical field of organic synthesis. The structural formula of the organic compound is shown in the specification, a synthesis method thereof comprised the following steps: (1) under ice bath conditions, adding a POCl3 solution while stirring to refined DMF (dimethyl formamide); heating up to 55 DEG C, adding triphenylamine to obtain a compound 1; (2) dissolving the compound 1 obtained by the step (1) in a mixed solution of 4-nitrophenyl acetonitrile and anhydrous ethanol, heating for refluxing for 2h, adding piperidine, continuing refluxing for reaction for 2h, and obtaining a compound 2 by vacuum drying; (3) dissolving the compound 2 obtained by the step (2) in a mixed solution of stannous chloride and the anhydrous ethanol, heating for refluxing for reaction for 0.5h, and obtaining the new organic compound with the AIE effects by vacuum drying. The new organic compound with the AIE effects had good thermal stability and excellent luminescent properties, and can be used for preparation of organic electroluminescent devices and organic fluorescent dyes.

The invention relates to a technological method for preparing collagen polypeptide from raw material of collagen powder by value-raised deep-processing technology, wherein the collagen powder is obtained by extracting chondroitin sulfate from animal cartilage; in particular to a method for preparing highly purified animal cartilage collagen polypeptide in the filed of natural material extraction technology. The method includes the following steps: first, animal cartilage collagen powder is prepared into aqueous solution, after clarification, the aqueous solution is stirred in organic solvent, stood, and extracted to remove lipid components and peculiar smells; second, salt is eluted from lower solution by the sephadex column chromatography filtering method, the eluent is collected, and then heated to 40-55 DEG C, macerozyme is selected to cut pacemaker enzyme under the condition that the collagen powder is stirred, and the eluent is stirred, decolored, filtered, concentrated and dried to obtain the hydrolytic collagen polypeptide. The method has the advantages of simple technological process, easily obtained raw material, high production efficiency, high product quality, good taste, low cost and good chemical properties and is suitable for large-scale industrial production.

The invention discloses a sole with a light transmitting function and a preparation method of the sole. The sole with the light transmitting function is prepared from the following raw materials in parts by weight: 35 to 60 parts of EVA (Ethyl Vinyl Acetate), 8 to 16 parts of OBC, 2 to 10 parts of ethylene propylene diene monomer, 2 to 8 parts of thermoplastic polyurethane elastomer, 0.1 to 0.9 part of zinc stearate, 0.2 to 1.2 parts of transparent zinc oxide, 0.1 to 0.9 part of a cross-linking agent and 1.2 to 6.0 parts of a transparent foaming agent, wherein the OBC is selected from any oneof OBC 9100 and OBC 9007. The sole with the light transmitting function has the advantages of better light transmittance, high hardness and tensile strength, high rebound rate, good yellowing resistance and comfortableness in wearing; the used raw materials are easy to obtain; the preparation method is simple; the production process flow is easy to operate, so the preparation method is suitable for large-scale popularization.

The invention provides a method for synthesizing gefitinib and an intermediate thereof. The method comprises the following steps: a compound 4 serving as a raw material is subjected to quinazoline annulations (iv) with carboxamidine or salt thereof in a polar aprotic solvent under catalysis of Cu(I) salt, L-proline and alkali to synthesize a compound 5; the compound 5 and 3-hydroxy-4-methoxybenzoic acid serving as initial raw materials are subjected to esterification, bromination, condensation, quinazoline annulation, substitution and other steps to prepare gefitinib.

The invention provides high-modulus organic silicon mold glue which comprises white carbon black, silane coupling agents, catalysts, polymerization inhibitors, hydrogen-containing silicone oil, vinylsilicone oil and release agents. The content of hydrogen in the hydrogen-containing silicone oil is 0.5%, 500CS-50000CS of end vinyl silicone oil is compounded to form the vinyl silicone oil, the release agents are provided with alkyl siloxane with the viscosity of 50CS-1000CS, adding amount of the release agents is 2wt%-4wt%, and the silane coupling agents are selected from one or more of silazane, methyltrimethoxysilane, diethoxy dimethylsilane, vinyl tri-methoxysilane and vinyltriethoxysilane. The prepared organic silicon mold glue is good in contraction rate and wide in applicable range, can adapt to different curing time and conditions and meets different user curing modes, mode compounding frequency is increased, mould burning cannot be easily generated, the service life of the moldis greatly prolonged, demolding is easily achieved, and raw materials are easily acquired and low in cost.

The invention relates to a preparation method of m-methyl benzoyl formyl chloride. The method comprises the following: (1), a step of chloric substitution reaction, namely adding methyl benzoic acid and thionyl chloride into a reaction kettle, heating to 70 to 85 DEG C with stirring, maintaining the temperature to react until no gas is exhausted, and stopping heating to finish the chloric substitution reaction; and (2), a step of distillation, namely distilling an oily liquid mixture obtained through the chloric substitution reaction to obtain the finished product of m-methyl benzoyl formyl chloride. Due to the adoption of the direct chloric substitution reaction in the preparation method of the m-methyl benzoyl formyl chloride, the reaction is easy. The method has the advantages that: the operation is convenient, simple and feasible; the realization of industrial production is convenient; and the production efficiency is improved.

The present invention provides cationic lipid compounds and compositions and uses for delivering nucleic acids. The compound is shown as a formula (I). The invention also provides application of nano-lipid particles taking the compound as a key component in the aspect of nucleic acid delivery, a component containing a delivery carrier, a preparation method and a use method. (I).

The invention relates to novel waterproof ink. The novel waterproof ink is prepared from the following raw materials in parts by weight: 18 to 24 parts of epoxy resin, 14 to 16 parts of polyester polyurethane acrylate, 9 to 13 parts of polyester resin, 18 to 22 parts of isoamyl acetate, 12 to 16 parts of isopropanol, 8 to 12 parts of dimethoxy dipropylene glycol, 1 to 2 parts of energy stone, 8 to14 parts of nano aluminium oxide emulsion, 2 to 3 parts of sulfated ricinoleic acid, 3 to 5 parts of polysorbate, 2 to 3 parts of diacetylmonoxime, 1 to 3 parts of iron octoate, 8 to 12 parts of acrylic acid, 12 to 14 parts of pigment, 6 to 12 parts of silane coupling agent, 2 to 5 parts of photoinitiator, 1 to 3 parts of graphene, 3 to 6 parts of defoaming agent, and 50 to 56 parts of water. Thenovel waterproof ink has the beneficial effects that (1) the performances of the waterproof ink such as the waterproof performance, the heat resistance, the adhesion capability, alcohol resistance and the like are excellent; (2) by adding the nano aluminum oxide emulsion, the friction resistance of the ink can be improved to certain extent, and the drying speed of the ink is high; and (3) the novel waterproof ink is simple and easy in obtaining raw materials, environment-friendly in ingredients, and suitable for being widely popularized to use.

The invention provides an industrial production process for wood frog body protein oligopeptide. The industrial production process comprises the following specific steps: (1) raw material preparation,(2) soaking and softening, (3) trituration, (4) degreasing, (5) defibrination, (6) decoloration, (7) salting out, (8) filter pressing, (9) enzymolysis, (10) oligopeptide ultrafiltration, (11) filterpressing, entrapment, concentration, desalination and impurity removal; (12) degerming, (13) encapsulation, (14) freeze drying and (15) bottle cap plug pressing and labeling. The industrial productionprocess is simple and reasonable in design, natural resources are adequately utilized, and industrial and large-scale production can be realized. By hydrolyzing by virtue of food grade protease, thesafety is high, and side effects are avoided; and the wood frog body protein oligopeptide can be directly eaten as a health product, a functional food additive or a nutritional food and simultaneouslycan be safely used as a cosmetic additive.

The invention discloses a manufacturing method of granular sodium tert-pentoxide, which comprises the following steps: taking metal sodium, tert-amyl alcohol and inert organic solvent as raw materials, pouring the tert-amyl alcohol and the inert solvent into a reaction kettle, further pouring the metal sodium into the reaction kettle, carrying out reflux reaction for 8-40h under the protection of nitrogen, evaporating the tert-amyl alcohol under normal pressure, decompressing to minus 0.08-minus 0.098MPa after the tert-amyl alcohol is completely evaporated, evaporating the residual inert organic solvent, then regulating the stirring rate of the reaction kettle to 10-80 turns / minute, decompressing and evaporating the inert organic solvent, cooling a remaining granular sodium tert-pentoxide product in the kettle to below 40 DEG C, and finally obtaining the required granular sodium tert-pentoxide. The manufacturing method can carry out production by utilizing general chemical equipment, the operation conditions are mild, the production process is simple, the used raw materials are convenient and easy to obtain, the product quality is stable and reliable, and the shelf life of the product can be effectively prolonged.

The invention discloses a preparation method of a phenylurea-type cytokinin high-efficiency plant growth regulator pyridyl phenylurea of which the chemical name is 1-(2-chloro-4-pyridyl)-3-phenylurea (also called CPPU), which comprises the following steps: reacting 2-chloro-4-aminopyridine and phenyl chloroformate to obtain phenyl 2-chloropyridyl-4-carbamate, and reacting with aniline to obtain the CPPU. The method has the advantages of accessible raw materials, fewer byproducts, high reaction yield and high product content, is simple to operate, greatly lowers the production cost, and is suitable for industrial production.

The invention relates to the technical field of composite materials, and provides a molecular sieve based composite material for purifying phosphorous acid and a method for preparing the same. The composite material comprises the following raw materials in percentage by weight: 2 to 8 percent of metal cations capable of adsorbing a phosphate radical, and 92 to 98 percent of ZSM series zeolite molecular sieve, wherein the metal cations capable of adsorbing the phosphate radical is loaded on the ZSM series zeolite molecular sieve by ion exchange and calcination technique. The composite material and the preparation method have the advantages that: the preparation process is simple, the highly efficient selective adsorption of by products of the phosphoric acid is realized by utilizing the low-cost technique, other ionic impurities are not introduced, and the quality grade and the market competition force of the phosphorous acid crystal product are improved by lowering the content of the by products of the phosphoric acid in a mother solution of the phosphorous acid.

The invention discloses a preparation method of a phenylurea-type cytokinin high-efficiency plant growth regulator pyridyl phenylurea of which the chemical name is 1-(2-chloro-4-pyridyl)-3-phenylurea (also called CPPU), which comprises the following steps: reacting aniline and phenyl chloroformate, and reacting with 2-chloro-4-aminopyridine to obtain the target compound. The method has the advantages of accessible raw materials, fewer byproducts, high reaction yield and high product content, is simple to operate, greatly lowers the production cost, and is suitable for industrial production.

The invention discloses a method of preparing granular sodium tert-butoxide, which includes the following steps: using metal sodium, tert-butanol and an inert organic solvent as raw materials; adding the tert-butanol and the inert solvent into a reaction kettle and then adding the metal sodium into the reaction kettle; under the protection of a nitrogen gas, refluxing for 8-40 h; at a normal temperature, distilling the tert-butnaol; after totally distilling the tert-butanol, reducing the pressure to -0.08 to -0.098 MPa to distil the remained insert organic solvent; then adjusting the stirringrate of the reaction kettle to 10-80 r / min; reducing the pressure to distil the inert organic solvent; obtaining a residual granular sodium tert-butoxide product in the reaction kettle; cooling the product to less than 40 DEG C to obtain the required granular sodium tert-butoxide. The method can perform a production by using universal chemical equipment. An operation condition is moderate; a protection technique is simple; and the raw materials used are easily obtained. The quality of the product is stable and reliable. The shelf life of the product can be effectively prolonged.

The invention belongs to the technical field of advanced nanocomposite materials, and in particular relates to a mesoporous / macroporous composite carbon material with a multi-level ordered structure and a preparation method thereof. In the present invention, the colloidal crystal of silica mold is used as the hard template, the block copolymer surfactant of the polyoxyethylene segment is used as the soft template, and the phenolic resol resin is used as the carbon source. Synthesis of mesoporous / macroporous composite carbon materials with hierarchical channels. The material not only has interconnected ordered macropores but also short-range ordered mesoporous walls. In addition, this type of material has an optical band gap produced by a colloidal crystal structure, and the band gap wavelength is continuously adjustable. The material has broad application prospects in optical waveguides, sensors, and catalyst carriers. The method of the invention is simple, the raw material is easy to obtain, and is suitable for scale-up production.

The invention discloses a method for preparing granular potassium tert-butoxide, which comprises the following steps of: with metal potassium, tertiary butanol and an inert organic solvent as raw materials, charging the tertiary butanol and the inert solvent into a reactor, charging the metal potassium into the reactor and carrying out reflux reaction under the protection of nitrogen for 8-40 hours; evaporating the tertiary butanol at normal pressure; after the tertiary butanol is completely evaporated, decompressing to minus 0.08-minus 0.098MPa; evaporating residual inert organic solvent; then adjusting the stirring speed of the reactor to 10-80RPM; decompressing and evaporating the inert organic solvent; retaining a granular potassium tert-butoxide rough product in the reactor; and cooling to below 40 DEG C to obtain needed granular potassium tert-butoxide. The invention has the advantages of production by utilizing universal chemical equipment, more mild operation condition, simpleproduction process, convenience and easy acquisition of raw material use, stable and reliable product quality and effective extension of quality guarantee period of products.

The present invention provides a super-hydrophobic cigarette end, and belongs to the field of functional materials. According to the present invention, waste cigarette end is treated and dried through a hydrophobic reagent to obtain the super-hydrophobic cigarette end, wherein the contact angle of the cigarette end on water achieves 156 DEG, the roll angle is less than 3 DEG, and the contact angle on oil is 0 DEG; the super-hydrophobic cigarette end can be applied for oil water emulsion separation and can be used for successfully separating a variety of oil water emulsions, wherein the separation efficiency is up to more than or equal to 98%, and the material can be recycled through simple cleaning after use; and the preparation process is simple, the operability is strong, the large-scale application is easily achieved in the oil overflow pollution field, and the effect of waste utilization can be achieved.

The invention relates to a chemical method for preparing nano iron phosphate lithium as anode material of lithium ion battery, which belongs to the technical field of new energy materials. The chemical method comprises the following technological steps: preparing the solutions of a lithium compound, an iron compound and a phosphorous compound, mixing the three solutions in the mol ratio of Fe:Li:P=(0.8-1.5):1:1, dropwise adding a prepared ammonia solution into the mixed solution, and stirring the solution continuously to form a suspension; pouring the suspension into a reactor, heating to 70-100 DGE C, reacting for 5-10 h, taking out the products to filter and wash, and drying to obtain a precursor product; putting the precursor product into a high temperature furnace, heating to 500-800 DEG C under the protection of inert gas or reducing gas, and maintaining the temperature for 12-24 h; cooling to room temperature, and taking out the product to obtain the nano iron phosphate lithium powder. The preparation method has the advantages of simple synthesis technology and low cost, the particle diameter of the prepared iron phosphate lithium powder is controlled at nano level, and the electric conductivity and the electrochemical performance of the power are improved.

The invention provides textile finishing resin and a preparation method thereof. The structural formula of the textile finishing resin is as shown in the specification, wherein R1 is (CH2)n (n is equal to 0 or 3), and R2 is H, (CH2)n (n is equal to 1-3), or (CH2)mO(CH2)nH (m is equal to 1 or 2, and n is equal to 1 or 2). The preparation method comprises the following steps: glycolamide, dialdehyde and water are mixed, react for 3-5 hours under the conditions that the temperature is 50-70 DEG C and the pH value is 7.5-8, and then react for 3-5 hours under the conditions that the temperature is 30-60 DEG C and the pH value is 5-6.5, an alcohol compound is added after reduced pressure distillation, a reaction lasts for 3 hours under the conditions that the temperature is 40-50 DEG C and the pH value is 2.5-3, the pH value is adjusted to be 5.5-6.5 after the reaction is ended, and water is used for adjusting the solid content to obtain the textile finishing resin. According to the method, formaldehyde is not used as a raw material, which meets relevant standards and environmental protection requirements; used raw materials are simple, easy to obtain and cheap; in addition, after being applied to non-iron finishing of cotton fabrics, the resin prepared with the method reaches high non-iron level and low yellowing degree.

The invention relates to the technical field of composition preparation, particularly preparation of a cream composition and application of the cream composition in treating eczema. The cream composition is formed by mixing the following components in parts by weight: 20-35 parts of saxifrage, 2-5 parts of stringy stonecrop, 3-5 parts of centella, 2-10 parts of gromwell, 45-73 parts of tea oil, 20-25 parts of propanediol, 24-30 parts of beeswax, 8-12 parts of lecithin, 24-30 parts of stearin, 2-3 parts of vitamin E and 2-3 parts of citric acid (50% solution). The cream is applied to the affected part every other 4-6 hours, and adopts exposure therapy. The cream composition is easy to prepare and convenient to carry, has the advantages of abundant and natural drug sources, no side effect and low pharmaceutical cost, and is capable of greatly lowering the treatment cost and reducing the economic burden of the patient.

The invention relates to a Chinese herbal composition and an application thereof in treating eczema. The Chinese herbal composition is prepared by mixing 20-35 parts by weight of herba saxifragae stoloniferae, 2-5 parts by weight of herba sedi, 3-5 parts by weight of herba centellae, 2-10 parts by weight of radix arnebiae seu lithospermi and 45-73 parts by weight of camellia oil. A preparation method comprises the following steps: drying and grinding the herba saxifragae stoloniferae, the herba sedi, the herba centellae and the radix arnebiae seu lithospermi into fine powder, uniformly mixing the fine powder with the camellia oil so as to obtain a paste, covering the paste and keeping the paste in the shade for 7-15 days, so that the paste is ready for use. The Chinese herbal composition is additionally added with 10-15 parts by weight of excipient, and the Chinese herbal composition and the excipient are fully stirred, so that an ointment or an emulsion is prepared. The ointment provided by the invention, when used for treating the eczema, is smeared to affected parts; and in accordance with exposure therapy, the ointment is smeared once every other 4-6h. The Chinese herbal composition provided by the invention is appropriate in compatibility, easily available in raw materials, low in cost, simple in preparation method, simple and convenient to use, rapid and thorough in itching relieving and strong in infection resistance, and the ointment can be used for treating various eczema.

The invention belongs to synthesizing methods and particularly discloses a 3-indolebutyric acid preparation method. The 3-indolebutyric acid preparation method includes steps: stirring indole, gamma-butyrolactone, tetrahydronaphthalene, a phase transfer catalyst and a solid super base catalyst at the room temperature to well mix; performing heating reflux reaction at 190-250 DEG C for 3-6h, filtering after reaction, cooling filtrate, separating out an organic layer, and adopting hydrochloric acid for acidification to separate out grey white solid; performing suction filtration, washing and drying to obtain 3-indolebutyric acid. By adoption of super alkalinity of solid super base, alkylation reaction is accelerated, a technical process is simple in operation, mild in condition and high in yield, convenience in catalyst recycling is achieved, and a promising application prospect is realized.

A Chinese medicine in the form of ointment for treating burn and scald without pain and scar is prepared from 17 Chinese-medicinal materials including rhubarb, phelodendron bark, tangerine peel, liquorice root, etc. Its preparing process is also disclosed.

The invention provides a preparation method of 2,2'-dyhydroxyl-4,4'-dimethoxybenzophenone. The preparation method comprises the following steps: (1) adding resorcinol and a sodium hydroxide aqueous solution to a reaction tank to dissolve to obtain a mixed solution; (2) heating the mixed solution obtained in step (1), adding dimethyl sulfate, and simultaneously dropping the sodium hydroxide aqueous solution; (3) separating the solution completely subjected to thermal reaction in step (2), and distilling the separated organic phase through a rectifying column to obtain dimethoxy bengene; (4) adding an organic solvent, a composite catalyst and dimethoxy bengene to the reaction tank; (5) hydrating the solution completely reacted in step (4), separating the organic phase, and then performing distilling, acidizing out and filtering to obtain crude 2,2'-dyhydroxyl-4,4'-dimethoxybenzophenone; (6) transferring the crude 2,2'-dyhydroxyl-4,4'-dimethoxybenzophenone into the organic solvent, and performing crystallizing, filtering and drying to obtain 2,2'-dyhydroxyl-4,4'-dimethoxybenzophenone. By adopting the preparation method, the shortcomings in the prior art can be overcome.

The invention discloses a manufacturing method of granular potassium tert-pentylate, comprising the following steps: taking potassium metal, tert-amyl alcohol and inert organic solvent as raw materials; adding tert-amyl alcohol and inert organic solvent into a kettle; then, adding potassium metal into the kettle; after reflowing for 8-40 hours under the protection of nitrogen, evaporating tert-amyl alcohol at normal pressure; after tert-amyl alcohol is completely evaporated, decompressing to -0.08--0.098 MPa, and evaporating residual organic solvent; then, regulating the stirring rate of the kettle to 10-80 turns / min; decompressing to evaporate inert organic solvent, and leaving granular potassium tert-pentylate products in the kettle; and cooling to be below 40 DEG C to obtain the granular potassium tert-pentylate. The invention can carry out production by using general chemical equipment, has moderate operation condition, simple production technology, convenient and abundant raw material, and stable and reliable product quality and can effectively prolong the quality guarantee period of the product.

A method for synthesizing a key intermediate compound 1 of a novel potassium ion competitive blocker fexuprazan belongs to the field of pharmaceutical intermediate synthesis. The purpose of the present invention is to solve the problems of high preparation cost and low yield of compound 1, further increase the production capacity, and reduce the production cost. The method of the invention takes 2,4-difluorobenzylamine as a raw material, and sequentially undergoes condensation reaction, benzyl protection, cyclization under basic conditions, methylation, deprotection, etc. to obtain the target product. The method for synthesizing compound 1 of the present invention adopts a novel process route, the yield is greater than 50%, and has the characteristics of novel route, mild reaction conditions, low cost and the like.

The invention discloses a synthesis method of a class of 9,9'-spirobifluorene derivatives, which belongs to the field of organic chemical synthesis. Realized by the following method: under the protection of inert gas, use o-bromohalobenzene as raw material in methyl tetrahydrofuran solvent, react with phenylmagnesium bromide at 50-100°C, react with bromofluorenone, and then undergo hydrolysis, Filtration, the solid is closed under acid catalysis to synthesize bromo-9,9'-spirobifluorene; then bromo-9,9'-spirobifluorene reacts with diphenylphosphine lithium to synthesize 9,9'-spirobifluorene Phenylphosphine derivatives. The synthesis method of the invention has simple process, low price and easy availability of raw materials, significantly reduces the production cost of series products in the synthesis process, and expands the application of fluorene derivatives as intermediates in the design and synthesis of organic photoelectric materials.