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35results about How to "Unique molecular structure" patented technology

AFP nanometer antibody A18 based on AFP antigen

The invention belongs to the technical field of biology, and relates to a camel source immunity nanometer antibody (single-domain heavy-chain antibody, VHH) specifically bound with AFP and application of the antibody. The amino acid sequence of the antibody is SEQ ID NO.:1. The invention further relates to nucleotides for encoding amino acids. The AFP nanometer antibody can be used as the antibody to be applied to immunological detection of AFP not for disease diagnosis and treatment. Compared with a Scfv antibody and a Fab antibody, the camel source immunity VHH has the higher specificity and affinity, more stable in structure, resistant to acid, base and high temperature, high in detection flexibility and the like, so that the immunity detection stability is greatly improved, and meanwhile the environment resistance is greatly improved.
Owner:NANCHANG DAJIA TECH

Chitosan derivative based clean makeup-removing wet tissue with effects of bacterial inhibition and moisture preservation and preparation method of chitosan derivative based clean makeup-removing wet tissue

The invention discloses chitosan derivative based clean makeup-removing wet tissue with effects of bacterial inhibition and moisture preservation. The chitosan derivative based clean makeup-removing wet tissue with the effects of bacterial inhibition and moisture preservation is prepared from raw materials in percentage by weight as follows: 2%-5% of chitosan derivatives, 5%-10% of PEG-8 caprylic/capric glycerides, 3%-8% of butanediol, 2%-5% of glycerin, 1%-3% of trehalose, 1%-5% of olive oil PEG-6 esters, 0.5%-3% of a skin conditioner, 0.15%-0.3% of phenoxyethanol, 0.15%-0.3% of ethylhexylglycerin, 0.1%-0.2% of methylparaben, 0.05%-0.2% of sodium hyaluronate, 0.01%-0.05% of essence and the balance of deionized water. According to the chitosan derivative based clean makeup-removing wet tissue with the effects of bacterial inhibition and moisture preservation and a preparation method, the makeup-removing wet tissue prepared with the preparation method is low in production cost, high in stability and good in cleansing power and realizes deep cleaning, besides, the makeup-removing wet tissue further has the effects of bacterial inhibition and moisture preservation, the facial skin after application of the makeup-removing wet tissue is smooth and tender, and makeup residues on the facial skin are removed.
Owner:湖北立天生物工程有限公司

Novel polysaccharide antibacterial mouthwash and preparation method thereof

The invention discloses a novel polysaccharide antibacterial mouthwash and a preparation method thereof. The novel polysaccharide antibacterial mouthwash comprises the active ingredients of carboxymethyl chitosan and propolis and further comprises a Chinese herbal medicine concentrate, sodium alginate, oleum menthae, a pH modifier, ethanol and purified water. The preparation method comprises the following steps: quantitatively adding carboxymethyl chitosan and a propolis and ethanol solution, and heating for dissolution; after the solution is cooled down, adding the Chinese herbal medicine concentrate, sodium alginate, oleum menthae and the pH modifier, supplementing purified water to obtain the total amount, and obtaining the novel polysaccharide antibacterial mouthwash after measuring the pH value. The novel polysaccharide antibacterial mouthwash has the effects of cleaning the oral cavity and resisting bacteria to protect teeth, meanwhile, reduces the allergy risk caused by propolis, has a very unique Chinese herbal medicine fragrance, is added with no synthetic essences, is safer and more healthy, is simple in preparation method, low in cost, lasting and effective in antibacterial effect, free from toxic and side effects on a human body and comfortable in taste.
Owner:江苏开源康达医疗器械有限公司

Chitosan/KIT-6 type silicon-based composite material, and preparation method and application thereof

The invention relates to a chitosan/KIT-6 type silicon-based composite material, and a preparation method and an application thereof. The preparation method comprises the following steps: dissolving an appropriate amount of P123 in water, adding concentrated hydrochloric acid, performing stirring overnight in a water bath, adding n-butanol, performing stirring, adding tetraethyl orthosilicate, carrying out a reaction, pouring the obtained solution into a chitosan solution, dropwise adding glutaraldehyde, continuously carrying out a reaction for a period of time, transferring the obtained solution into an autoclave, carrying out a hydrothermal reaction for a certain period of time, cooling the obtained solution, carrying out suction filtration, washing the obtained reaction product to reachneutrality, drying the washed reaction product overnight, and carrying out Soxhlet extraction by using acetone to obtain CS-KIT-6; and dissolving the CS-KIT-6 in dimethyl sulfoxide, adding an appropriate amount of epichlorohydrin, carrying out a microwave reaction, washing the obtained reaction product to reach neutrality, drying the washed reaction product overnight, adding a certain amount of apolyethyleneimine solution and a certain amount of N,N-dimethylformamide, carrying out a microwave reaction, washing the obtained reaction product to reach neutrality, and drying the washed reactionproduct overnight to obtain the product PEI-CS-KIT-6. The composite material prepared in the invention can be applied to the adsorption of chromium in water as an adsorbent, and has the characteristics of energy saving, environmental protection and high efficiency.
Owner:LIAONING UNIVERSITY

Flocculation and sterilization difunctional water treatment agent and preparation method thereof

The invention provides a flocculation and sterilization difunctional water treatment agent and a preparation method thereof. The flocculation and sterilization difunctional water treatment agent is prepared from the following raw materials in parts by weight: 10-20 parts of chitosan, 10-16 parts of citric acid, 15-25 parts of polyferric sulfate, 7-15 parts of carboxyethyl cellulose, 10-20 parts ofa sterilization algicide, 5-15 parts of sodium silicate, 20-30 parts of coal gangue, 10-15 parts of aluminum oxide, 1-3 parts of a stabilizer, 1-3 parts of an accelerator, 5-15 parts of inorganic acid and 90-110 parts of deionized water. The flocculation and sterilization bifunctional water treatment agent has a good flocculation effect, has a good removal effect on metal ions, and also has a good bacterium killing function.
Owner:中科乐美科技集团有限公司

Hyperbranched bifunctional star-shaped compound, polymer electrolyte material, preparation of hyperbranched bifunctional star-shaped compound and polymer electrolyte material, and application of hyperbranched bifunctional star-shaped compound

The invention belongs to the field of polymer electrolyte materials of lithium ion batteries, and particularly relates to a hyperbranched bifunctional star-shaped compound, a polymer electrolyte material, preparation of the hyperbranched bifunctional star-shaped compound and the polymer electrolyte material, and application of the hyperbranched bifunctional star-shaped compound. The hyperbranchedbifunctional star-shaped compound is a star-shaped compound with a branched chain extending outwards, and is prepared by subjecting polymercaptopropionate serving as a core and polyethylene glycol methacrylate serving as an arm to photocuring under ultraviolet light to initiate a mercapto-double bond reaction. The hyperbranched bifunctional star compound can be used as a lithium ion polymer electrolyte additive, can improve the ionic conductivity of an electrolyte material and can also be used as a plasticizer to improve the mechanical properties and flexibility of the electrolyte material, and the preparation process of the compound is simple to operate and friendly to environment. The invention also provides the polymer electrolyte material containing the hyperbranched bifunctional star-shaped compound. Thus, a new research thought and method are provided for preparing high-performance lithium ion polymer electrolytes.
Owner:LUOYANG INST OF SCI & TECH

HDPE resin with high rheological property and use of HDPE resin in preparation of communication cable insulating material

The invention belongs to the technical field of resin processing, particularly relates to HDPE resin with high rheological property and further discloses use of the HDPE resin in preparation of a communication cable insulating material. According to the HDPE resin with high rheological property, a loaded titanium modified chromium catalyst is used for carrying out a catalyzed polymerization reaction on the basis of the existing conventional HDPE resin polymerization process, and thus, the prepared HDPE resin has extremely high rheological property and can be adaptable to high-speed extruding processing. According to the communication cable insulating material disclosed by the invention, the prepared HDPE resin with high rheological property is taken as a matrix material, a compounded santonox r antioxidant, a phosphite antioxidant and a hydrazine antioxidant are picked, have a good synergistic effect and can act excellent thermo-oxidative aging resisting and heavy metal passivation inhibiting functions, the prepared insulating material has a unique molecular structure, the speed of extrusion during communication cable processing can be increased, meanwhile, the comprehensive properties of the material are improved, and the improvement on use performance of communication cable products is also facilitated.
Owner:CHINA PETROLEUM & CHEM CORP +1

Novel polysaccharide antibacterial mouthwash and preparation method thereof

The invention discloses a novel polysaccharide antibacterial mouthwash and a preparation method thereof. The novel polysaccharide antibacterial mouthwash comprises the active ingredients of carboxymethyl chitosan and propolis and further comprises a Chinese herbal medicine concentrate, sodium alginate, oleum menthae, a pH modifier, ethanol and purified water. The preparation method comprises the following steps: quantitatively adding carboxymethyl chitosan and a propolis and ethanol solution, and heating for dissolution; after the solution is cooled down, adding the Chinese herbal medicine concentrate, sodium alginate, oleum menthae and the pH modifier, supplementing purified water to obtain the total amount, and obtaining the novel polysaccharide antibacterial mouthwash after measuring the pH value. The novel polysaccharide antibacterial mouthwash has the effects of cleaning the oral cavity and resisting bacteria to protect teeth, meanwhile, reduces the allergy risk caused by propolis, has a very unique Chinese herbal medicine fragrance, is added with no synthetic essences, is safer and more healthy, is simple in preparation method, low in cost, lasting and effective in antibacterial effect, free from toxic and side effects on a human body and comfortable in taste.
Owner:江苏开源康达医疗器械有限公司

Steel wire reinforced epoxy fiber composite pipeline and preparation process thereof

The invention relates to a steel wire reinforced epoxy fiber composite pipeline. The pipe wall of the composite pipeline is of a structure comprising four layers which sequentially are an epoxy resinglass fiber reinforced plastic fiber inner-liner layer, an inner epoxy glass fiber layer, a steel wire related epoxy resin glass fiber layer and an epoxy resin glass fiber l outer protection layer from inside to outside; a reinforced layer winds on the steel wire related epoxy resin glass fiber layer; after the pipeline is winded, a reinforcing rib is added every other 1 meter outside the pipeline; each reinforcing rib is formed by a steel wire, fiber and epoxy resin through winding; the width of each reinforcing rib is 15CM; and the thickness of each reinforcing rib is 1 to 2 times of the thickness of the pipe wall. By calculating on the basis of each meter, the diameter being 1m, the wall thickness being 17.5mm and the total weight being 116kg, the weight of the epoxy resin glass fiber reinforced plastic fiber inner-liner layer is 13kg, the weight of the inner epoxy glass fiber layer is 32.57kg, the weight of the inner epoxy glass fiber layer is 43.65kg, and the weight of the epoxy resin glass fiber l outer protection layer is 26.78kg. The steel wire reinforced epoxy fiber composite pipeline is simple to prepare, stable in high water pressure resistance, water hammer resistance and ring stiffness which are 1 to 2 times higher than the design requirement, good in corrosion resistance and breaking stretchability, large in production caliber, light in dead weight, high in toughness and excellent in cost performance.
Owner:新疆强州玻璃钢管业有限公司

Preparation technology of novel modified triethanolamine

The invention relates to a preparation technology of novel modified triethanolamine. A material is prepared from the following ingredients in percentage by weight content: 64 to 93% of triethanolamine, 5 to 30% of alloyed powder and 2 to 6% of tetrafluoroethylene, wherein the alloyed powder is flaky single powder of copper powder, copper alloy powder or zinc powder or a mixture of the copper powder, the copper alloy powder or the zinc powder; and the tetrafluoroethylene is prepared from single powder of polytetrafluoroethylene, molybdenum disulfide or graphite or a mixture of the polytetrafluoroethylene, the molybdenum disulfide or the graphite. The composite material can be prepared by a plastic processing conventional twin-screw extruder through extrusion and granulation. Compared with the prior art, a three-layer composite material bearing prepared by the invention has the advantages of good heat conductivity, bearing capacity, abrasion resistance and the like.
Owner:安靖茹

Chitosan/kit-6 type silicon-based composite material and its preparation method and application

The invention relates to a chitosan / KIT‑6 type silicon-based composite material and a preparation method and application thereof. The technical scheme adopted is: first dissolve an appropriate amount of P123 in water, and add concentrated hydrochloric acid, stir in a water bath overnight, then add n-butanol and stir, then add tetraethyl orthosilicate, after the reaction, pour the solution into the chitosan solution Add glutaraldehyde dropwise, continue to react for a period of time, transfer to an autoclave for hydrothermal reaction for a certain period of time, cool, filter with suction, wash until neutral, dry overnight, and perform Soxhlet extraction with acetone to obtain CS‑KIT‑ 6. Dissolve CS‑KIT‑6 in dimethyl sulfoxide, add appropriate amount of epichlorohydrin, microwave reaction, wash until neutral, dry overnight, then add a certain amount of polyethyleneimine solution and N,N‑ Dimethylformamide was subjected to microwave reaction, washed to neutrality, and dried overnight to obtain the product PEI‑CS‑KIT‑6. The composite material prepared by the invention can be used as an adsorbent for the adsorption of chromium in the water body, and has the characteristics of energy saving, environmental protection, high efficiency and the like.
Owner:LIAONING UNIVERSITY

Nanometer titanium crystal topcoat

InactiveCN106978078ASolid paintShorten the reverberation timeFireproof paintsAnti-corrosive paintsThermal insulationTitanium
The invention relates to the field of finish paint, in particular to a nano titanium crystal finish paint. The raw materials of the topcoat are resin and titanium crystal powder, which are placed in a container and stirred evenly to form the nanometer titanium crystal topcoat. The present invention is widely used in the production and manufacture of topcoats, and can solve the problem of existing topcoats at home and abroad, which do not have: fire retardant, sound insulation, heat preservation, antistatic, oxidation resistance, waterproof, strong hardness, gloss, scratch resistance, chemical resistance Reagent and smoke ignition, wear-resistant, anti-corrosion, pollution-resistant, high precision, good brightness, environmental protection, anti-turbidity and ghost invasion, produce powerful titanium crystal energy, laborious manufacturing and production, not environmentally friendly, and produce environmental pollution during production And so on.
Owner:沈阳盛西尔科技发展有限公司

Corrosion inhibitor and application thereof

The invention discloses a corrosion inhibitor and application thereof. The corrosion inhibitor is a corrosion inhibitor in organic acid cleaning and is prepared from the following raw materials by weight percent: 10%-50% of phytic acid, 20%-40% of urotropin, 0.5%-3% of citric acid, 0.5%-5% of sodium nitrate, 0.5%-2% of anion active agent and the balance of water.
Owner:BEIJING JUEXIN SHENGDA TECH DEV

Carbon crystal topcoat

The invention relates to the field of topcoats, and in particular relates to a carbon crystal topcoat. The carbon crystal topcoat comprises the raw materials of carbon crystal powder and transparent resin. The carbon crystal topcoat is widely used in the manufacture of the top coats, can solve the defects of low ignition point, no waterproofing, poor hardness, no wear resistance, no fouling resistance, large odor, easy crack due to thermal expansion and contraction, and the like of domestic and foreign existing top coats.
Owner:张治
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