Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

644results about How to "Good physical and chemical properties" patented technology

Method for removing organic matters in water by utilizing three-dimensional electrode electro-fenton and device thereof

The invention relates to a method for carrying out oxidation treatment on organic waste water by utilizing a three-dimensional electrode electro-fenton and a device thereof. The device comprises a reactor shell, a carbon material cathode, an iron plate anode, a three-dimensional particle electrode of a fixed bed, a direct-current voltage-stabilizing power supply, a microporous aeration plate and an air pump, wherein a reactor consists of a reaction chamber and a gas chamber; the carbon material cathode, the iron plate anode and the particle electrode are positioned in the reaction chamber at the upper part of the reactor; and the gas chamber is formed between the bottom of the reactor and the microporous aeration plate. After direct current is introduced, the iron anode is oxidized to generate iron ions, oxygen in the gas chamber is reduced on the surface of the cathode to generate hydrogen peroxide, and the iron ions and the hydrogen peroxide form a fenton reagent to oxidize and remove organic matters in waste water; and simultaneously, due to the particle electrode, the contact area and the contact time of the waste water and the fenton reagent are increased, and the mass transfer effect of the waste water in the reactor is reduced. The invention is applicable to treatment of various types of organic waste water, the equipment is compact, the operation is easy, the whole reactor is easy to control, and the requirements of an actual water treatment unit are met.
Owner:HUAZHONG NORMAL UNIV

Konjac jelly powder and method for making jellies by using same

The invention discloses konjac jelly powder. The konjac jelly powder comprises the following components in part by weight: 30 to 40 parts of konjac powder, 10 to 25 parts of carrageenin, 0 to 10 parts of xanthan gum, 0 to 15 parts of locust bean gum, 0 to 20 parts of guar gum, 5 to 12.5 parts of sodium citrate, 8 to 15 parts of potassium chloride, 0 to 7 parts of xylitol and 2 to 5 parts of citric acid. A method for preparing jellies by using the konjac jelly powder comprises the following steps of: mixing the konjac jelly powder and white granulated sugar uniformly; pouring the mixed white granulated sugar and konjac jelly powder into a stirred cold water proportioning cylinder; continuously adding the white granulated sugar or syrup, opening steam and heating; and performing filtration, packing and sterilization to obtain konjac jelly finished products. The konjac jelly powder provided by the invention has low production cost, adjustable taste and high dietary fiber content; the prepared konjac jellies do not need to be treated by alkali; and the method for preparing the jellies by using the konjac jelly powder has simple making process and low making cost.
Owner:HUBEI YIZHI KONJAC BIOTECH

Electrothermal film and manufacturing method thereof

The invention relates to an electrothermal film and a manufacturing method thereof, belonging to the technical field of semiconductor heating. The electrothermal film is mainly prepared by adopting stannic chloride, titanium tetrachloride, stannic chloride, titanium trichloride, ferric chloride, antimony trichloride, calcium chloride, potassium chloride, cadmium chloride, stannic dioxide, stannictetroxide, hydrofluoric acid, boric acid, ethanol, isopropyl alcohol and inorganic water. By adopting the above formula, the mixture is mixed, stirred and heated to prepare into electrothermal film treating fluid, a semi-finished product of the electrothermal film is obtained by spraying the electrothermal film treating fluid at negative pressure on the electrothermal film carrier, and then silveroxide slurry is coated on the semi-finished product of the electrothermal film for baking to form a finished product of the electrothermal film. The electrothermal film has reasonable proportion andsimple manufacturing process, can be manufactured into various electrothermal film heating devices, has a working temperature capable of being up to 500 DEG C, and has wider application range. The electrothermal film of the invention also has the function of far infrared radiation, can play a role of physical therapy and health care to human body, and can help improve the quality and output of agricultural products.
Owner:GUANGDONG HALLSMART INTELLIGENCE TECH CORP LTD

Modified silicasol and application thereof in preparing water paint

The invention discloses a modified silica sol and application thereof in preparation of aqueous painting. The inventive modified silica sol is prepared from aqueous silica sol by regulate pH value of raw material to 3-6; charging organosilane with a mass ratio with SiO2 in silica sol of 1:1 - 5:1, water bathing at temperature of 50-80 DEG C., waiting for 0.5-5 hours, vaporizing by-products generated in hydrolysis to obtain transparent sol, which is final product. The modified silica sol has cheap raw material, simple preparation. When used as matrix in preparation of paint, the sol uses only water as solvent, without need of adding any organism such as alcohol. The preparation is simple, economic, environmental protecting. The prepared aqueous paint not only has high decorative, great adhesion and toughness of organic paint, but also has high rigidity, chemical resistance of inorganic paint, which can be used on surface of substrates of metal, glass, wood, plastic and in construction industry.
Owner:DALIAN JIAOTONG UNIVERSITY

Active peptide feed additive and its preparation method and use

The present invention relates to an active peptide feed addictive, as a mixture of one or more plant protein and animal protein, which is the product of the following steps: fermenting and degrading the mixture through bacillus and the like, controlling the degree of hydrolysis at 20-35%, obtaining a fermentation supernatant after a separation post-processing process, concentrating drying the supernatant or directly adsorbing the supernatant onto the carrier, and then low temperature drying it. Said active peptide feed addictive is capable of obviously depressing development of bacillus coli and salmonella, and can prevention and cure diarrhea caused by bacilli or lienteric diarrhea; can exert its functions at a very low concentration, with a very intense effect; can regulate stomach and intestine bacterium group and promote animals digestion functions; can excite animal immune function, reinforce animal disease resistance against a plurality of epidemic diseases and greatly reduce the morbidity and death rate; can promote animal development and improve the growth velocity; can improve the feed use ratio and reduce production costs. Applications of the microorganism fermentation degradation method provided by the present invention have a low fabricating cost, and the obtained peptides have many kinds and high content, without environment pollutions.
Owner:CHINA AGRI UNIV

Active stephanoporate mineral TiO2-doped composite catalytic antimicrobial material preparation and using method

The invention discloses a preparation and using method of multiple active porous mineral doped nano-TiO2 composite catalytic anti-bacterial materials, and the preparation and using method belongs to the technical field of new material. The main technical key point of the invention is to combine the anti-bacterial mechanism of the ion modified porous minerals and the photo-catalytic anti-bacterial mechanism of the element doped nano-TiO2 to realize the synergistic anti-bacterial role, the modification of the porous minerals by the metal anti-bacterial ion (one of Ag<+>, Cu<2+>, Zn<2+> and Fe<3+>) and the rare earth ion and the nano-TiO2 doped synchronous composite process technology by the metal anti-bacterial ion and the rare earth ion are realized during the preparation process, thereby obtaining the composite catalytic anti-bacterial composite materials which are characterized by broad-spectrum, long-acting effect and safety, etc. The composite catalytic anti-bacterial products prepared by adopting the method and the technical process have low cost, anti-bacterial and long-acting effects, broad-spectrum and good synergistic anti-bacterial effect, the preparation process of the materials has the advantages of simpleness and strong operationality, and the like, so the preparation and using method can be widely applied in anti-bacterial coating, putty, fabric and other industries.
Owner:SOUTHWEAT UNIV OF SCI & TECH

Preparation method of echinoid titanium dioxide microspheres in single/double layer cavity structure

The invention relates to a preparation method of echinoid titanium dioxide microspheres in single / double layer cavity structure, belonging to the field of nano composite materials. The method comprises the following steps: (1) preparing monodisperse silicon dioxide microspheres with uniform particle size; (2) by using silicon dioxide as a template, coating a titanium dioxide layer on the surface of the silicon dioxide microspheres by using a sol-gel method to obtain core-shell type silicon dioxide / titanium dioxide composite microspheres; (3) regulating the concentration of sodium hydroxide solution, the hydrothermal reaction time and other conditions, and preparing echinoid titanium-base microspheres in the single / double layer cavity structure in a controllable way; and (4) treating the echinoid titanium-base microspheres in the single / double layer cavity structure with hydrochloric acid with a certain concentration, and calcining at high temperature to obtain anatase-type echinoid titanium dioxide microspheres in the single / double layer cavity structure. The material prepared by the method has the high-activity pure-phase titanium dioxide crystal structure, and has the advantages of large specific area, complete appearance and high yield; the technical process is controllable and easy to operate; and the invention also has the advantages of low preparation cost, no pollution and low energy consumption.
Owner:UNIV OF SCI & TECH BEIJING

Transpirationcooled wind driven generator stator

The tightly closed space of the stator consists of the stator chassis, the non-magnetic stainless steel isolated sleeve, the tightly closed end cap and the pressuring ring. The cooling loop consists of the liquid-lead groove between the stator core sections, the stator winding / stator end winding, the stator vaporizing space and the air condenser (AC). Via the gas entering tube and the liquid returning tube, AC connects to the stator chassis to form a main cooling circle loop. The heat produced due to the consumption of the stator components transfers to the vaporization cooling media (VCM) to raise its temperature. When the temperature reaches the saturation value based on inner pressure, VCM in the capacitor vaporize and occur phase-changing decalescence, then cool down by AC and finally liquidize. The invention causes stator core temperature distributing evenly. Features are: safe and reliable, simple structure, small volume, and large power density.
Owner:INST OF ELECTRICAL ENG CHINESE ACAD OF SCI

Formula of culture medium for industrial production of sparasis crispa and production process

The invention provides a formula of a culture medium for industrial production of sparasis crispa and a production process. The formula of the culture medium comprises the following components in percentage by dry weight: 65 to 75 percent of pine sawdust, 10 to 20 percent of husk, 5 to 10 percent of potato powder, 5 to 10 percent of flour, 0.1 to 0.5 percent of peptone, 0.1 percent of ammonium sulfate and 1.2 to 1.8 percent of brown sugar. The production process comprises the following steps of: preparing and bagging the culture medium; sterilizing and inoculating; culturing hypha; inducing a primodium; differentiating the primodium; opening the bag; managing balls; and harvesting. The invention provides a formula of a culture medium for industrial production of sparasis crispa, which has the advantages of rich nutrition, balanced proportion, good ventilation, and capacity of meeting the requirement of industrial production. The production process has the advantages of short hypha culturing time, uniform fruiting at bag openings, good fruiting consistency, convenience of management, contribution to industrial culture, white mushroom body, high yield, and high biological transformation rate of over 43 percent.
Owner:FUQING CITY FIRE KIRIN EDIBLE FUNGUS TECH DEV +1

Biodegradable polypropylene carbonate composite material and preparation method thereof

InactiveCN101962470AGood physical and chemical propertiesGood heat resistance and dimensional stabilityPolyethylene terephthalate glycolPackaging industry
The invention discloses a biodegradable polypropylene carbonate composite material and a preparation method thereof. The composite material is prepared from 50 to 90 mass parts of polypropylene carbonate and 10 to 40 mass parts of polyethylene terephthalate-1,4-cyclohexane dimethanol ester serving as raw materials by the following steps of: drying the raw materials at the temperature of between 45 and 55 DEG C for 5 to 10 hours; mixing the raw materials in a high-speed mixer for 0.5 to 3 minutes; and melting, mixing, extruding and granulating the mixed raw materials at the temperature of 65 to 170 DEG C. A thin film product prepared from the biodegradable PPC type composite material of the invention by blow molding has high physical and chemical properties; the glass-transition temperature of the PPC / PETG composite thin film is up to 69.2 DEG C; the thermolysis temperature of 5 weight percent of the material is up to 289.7 DEG C; the longitudinal tensile strength of the composite thin film is up to 28.6MPa and the transverse tensile strength is up to 16.7MPa; the longitudinal breaking elongation is up to 561.9 percent and the transverse breaking elongation is up to 755.3 percent; and thus the application range of the completely biodegradable polyester, namely the PPC in the agriculture, foods and packaging industry is expanded.
Owner:CHINA NAT OFFSHORE OIL CORP +3

Optically pure benzyl-4-chlorophenyl C-glucoside derivatives

The invention belongs to the technical filed of medicines, and concretely relates to optically pure benzyl-4-chlorophenyl C-glucoside derivatives represented by formula (II) and formula (III), a method for preparing the above compounds and intermediates thereof, a medicinal preparation and a medicinal composition containing the compounds, and an application of the optically pure benzyl-4-chlorophenyl C-glucoside derivatives in the preparation of medicines for treating and / or preventing insulin-dependent diabetes, non-insulin dependent diabetes, insulin resistance diseases or obesity, various diabetes and relevant diseases as a sodium-glucose cotransporter (SGLT) inhibitor.
Owner:JILIN HUISHENG BIOPHARMACEUTICAL CO LTD +1

Ternary built poly lactic acid type composite material and its use

The ternary built polylactic acid type composite material consists of PLA 45.0-80.0 wt%, PPC 4.0-40.0 wt%, PHB 4.0-40.0 wt% and various assistants. The ternary built polylactic acid type composite material is used as mother material for preparing thermoplastic material with improved forming machining property and heat resistant, raised tearing strength and high product size stability. It may be blow molded to produce various film products with excellent physical and chemical performance and controllable biodegradation speed for wide application in packing and agriculture.
Owner:CHANGCHUN INST OF APPLIED CHEMISTRY - CHINESE ACAD OF SCI

Cultivation medium of integrated molding gardening plant

The invention discloses a cultivation medium for integrally molded horticultural plants, which comprises plant fiber, yellow soil and rotten leaf soil, wherein the length of the plant fiber is 2 to 10 centimeters. In addition, the cultivation medium comprises ventilating gap regulation matter as well. The technical proposal of the invention overcomes the deficiencies that the prior plant cultivation medium is large in volume weight and is easy to loosen, fall off and cause diseases and insect pests, and the like, so as to form a lightweight environment-friendly integral plant cultivation medium with excellent physicochemical property. The convenient simple operability of the cultivation medium during transport or plant replacement not only is favorable for saving mounting time, but also can avoid injury to plant root systems, landscape destruction and even environmental pollution which are caused by the falling-off of the cultivation medium when plant materials are replaced.
Owner:上海植物园管理处

Low-radiation self-cleaning composite function glass and producing method

This invention relates to a low radiation self-cleaning complex function glass. This glass has trilamellar membrane structure, membranous layer from glass outward in turns is : SiO2 transition layer, ion adulterated SnO2 layer, ion adulterated SiO2 - TiO2 layer. The on-line preparation method is sol-gel method, combine with atomizing sedimentation, utilize thermal decomposition and coagulation process of collosol at 450 to 550 deg to proceed heat sedimentation, in turns form membranous layer on the on-line glass plate surface. This invention through controlling the coating material concentration, dopant ion variety, thermal decomposition temperature and membranous layer thickness bring low radiation to the glass coated this membrane, execute stable uniwafer low emissivity glass, reduce cost, and realize reprocessing treatment of low radiation steeling and hot bending. This invention applies to common building and shield glass.
Owner:CHINA LUOYANG FLOAT GLASS GROUP

Gradient-coated lithium ion battery graphite cathode material and preparation method thereof

The invention relates to a coated lithium ion battery graphite cathode material and a preparation method thereof, and in particular relates to a gradient-coated lithium ion battery graphite cathode material prepared by ultrasonic spraying and a preparation method thereof. The gradient-coated lithium ion battery graphite cathode material prepared by ultrasonic spraying is mainly characterized by comprising the following components in parts by weight: 100 parts of graphite powder on a surface, 1-10 parts of a first layer of silicon-coating material and 5-10 parts of a second layer of carbon-coating material. The lithium ion battery graphite cathode material has the characteristics of uniform lamination, gradient coating and easiness for large-scale production.
Owner:BEIJING FANGDA CARBON TECH CO LTD

Production process of nano rod-like active silica with attapulgite and clay

The production process of nano rod-like active silica is one acid dissolving process with attapulgite and clay as material. The positive effects of the present invention include elimination of high temperature alkali dissolving process, reduced material consumption and lowered production cost. Compared with traditional technological process, the nano rod-like active silica product of the present invention has ever high physical and chemical characteristics, including original concentration, dispersive performance and shape features. The present invention has wide application value.
Owner:HEFEI UNIV OF TECH

Preparation method of macroporous strong-alkaline anion exchange resin for removing nitrate in water

The invention discloses a preparation method of styrene macroporous strong-alkaline anion exchange resin for removing nitrate in water. Styrene, divinyl benzene, benzoyl peroxide, liquid paraffin, polyvinyl alcohol, gelatin, methylene blue, dichloromethane, 1,4-bis(chloromethoxy)butane, anhydrous tin tetrachloride and triethylamine are used as main raw materials; the macroporous strong-alkaline anion exchange resin is prepared through suspension polymerization reaction, chloromethylation reaction and amination reaction. The preparation comprises the following steps: synthesis of styrene divinyl benzene cross-linked polymer by the suspension polymerization method, chloromethylation reaction of styrene divinyl benzene cross-linked polymer, and amination reaction of chloromethylated styrene divinyl benzene cross-linked polymer. The particle size of the prepared resin is 0.5-1.5mm; the resin has the advantages of uniform pore distribution, strong adsorbability against nitrate, high selectivity on nitrate and the like; the physicochemical properties of the resin are good. The resin can be applied to the nitrate removal treatment process of water, and has good development prospect and practical significance.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY

Plug seedling substrate of tomatoes and preparation method

The invention discloses a plug seedling substrate of tomatoes and a preparation method. Peat is taken as the material; excrements of livestocks are taken as earthworm foodstuff; environment suitable for the growth of earthworms is provided; wormcast which is processed and generated by the earthworms is sieved to obtain wormcast compost with the grain size being 1-4mm; and the peat and the wormcast compost are fully mixed; mineral materials with a certain fineness such as expandable vermiculite, perlite and the like are added to improve the physical properties and the buffer performance of the substrate to generate a novel tomato seedling substrate. The percent by volume of various components are that the peat accounts for 15-25%, the wormcast compost accounts for 55-65%, the expandable gardening vermiculite accounts for 5-15% and the perlite accounts for 5-15%. The plug seedling substrate disclosed by the invention has the advantages of simplicity in preparation method, richness in resource, low cost of materials, turning waste into wealth, reducing environmental pollution and sufficient nutrient. The plug seedling substrate is used for the plug seedling of tomatoes, eliminates top application during seedling raising, improves the quality of tomato seedlings and reduces the pesticide application. Thus, the seedling quality is ensured, the cost and the labor are saved and the survival and the high-quality and efficient growth of the tomato seedlings, the yield and the construction of quality are ensured.
Owner:扬州瑞华环境与生物工程研究所有限公司

Moisturizing, skin-whitening and spot-fading plant extract composition

ActiveCN108670943AMoisturizing up toWhitening achievedCosmetic preparationsToilet preparationsBiotechnologyKeratosis Pilaris
The invention relates to the field of daily use chemicals and in particular to a moisturizing, skin-whitening and spot-fading plant extract composition. The moisturizing, skin-whitening and spot-fading plant extract composition provided by the invention is capable of achieving the effects of moisturizing, skin-whitening, spot-fading and acne-fading. The composition is capable of, through using combination of an antioxidant extract, lactobacillus ferment, a licorice root extract, and a grape seed extract, achieving the effects of efficient antioxidant, skin-whitening and spot-fading, effectively fading spots of periocular skin, effectively relieving eye keratosis pilaris, and effectively relieving new acne; the composition is capable of, through using squalene, hyaluronic acid and a tuber melanosporum extract, achieving the high moisturizing effect. The composition is capable of, through using the licorice root extract, the squalene and the tuber melanosporum extract, achieving the anti-allergic effect, even if acne skin can also use the composition.
Owner:浙江施维康生物医学材料有限公司

Middle-low temperature sintered fine bone china and production method thereof

The invention relates to a middle-low temperature sintered fine bone china and a production method thereof. The china comprises the following chemical components in percentage by weight: 52 to 60 percent of SiO2, 28 to 37 percent of Al2O3, 1 to 4 percent of K2O, 1 to 2 percent of Na2O, 3 to 8 percent of CaO, 1 to 3 percent of MgO and 1 to 3 percent of P2O5; a used formula comprises the following raw materials in percentage by weight: 3 to 8 percent of bone ash, 32 to 45 percent of kaolin, 10 to 20 percent of aluminum oxide and 35 to 50 percent of fusion cake; the sintering temperature is between 1,170 and 1,250 DEG C; and not only a double-firing process of 'high-temperature biscuit firing and low-temperature glazed firing' or 'low-temperature biscuit firing and high-temperature glazed firing' can be adopted, but also a high-temperature single firing process can be applied. The fine bone china has an appearance effect of the conventional bone china, has physical and chemical properties superior to those of the bone china, has the significant advantages of low bone coal consumption and low sintering temperature, and is favorable for reducing the production cost and the energy consumption.
Owner:JINGDEZHEN CERAMIC UNIV

Cultivating substrate

The invention provides a lily cultivating substrate made of coconut residues. The cultivating substrate is prepared in such a way that coconut residues, sand, perlite, vermiculite, and the like are mixed according to a certain volume ratio. The composite substrate improves physicochemical properties of the prior single substrate, has wide sources of all single components, convenient material acquisition and low cost, fundamentally solves the problem of greatly using a nonrenewable substrate, namely turf in the current lily production, reduces the production cost on the premise of ensuring the quality of lily cut flowers and has obvious benefits of society, economy and environmental ecology.
Owner:BEIJING FORESTRY UNIVERSITY

Calcium sulphate composite bone renovation material, preparation method and application thereof

The invention belongs to the tissue engineering field, in particular relates to a calcium sulfate composite material and a preparation method and purpose thereof, aiming at providing a calcium sulfate composite material which can be used as bone substitute material. The calcium sulfate composite material is mainly composed of calcium sulfate and a strontium-containing compound, wherein, the mol weight of the strontium accounts for 0.01-0.5 percent of the total mol weight of calcium and strontium. The calcium sulfate composite material creatively compounds the strontium-containing compound into the medical calcium sulfate so as to increase the activity of the material, causes the material to be able to slowly release the osteogenesis promoting element strontium partially during repairing process at the bone defect site. In addition, experiences prove that the calcium sulfate composite material of the invention has fine physical and chemical properties and biocompatibility, can be attached by osteogenesis cells well, and can well repair the bond defect, and is an excellent bone substitute material. The preparation method of the invention is simple and reliable, and has bright application prospect.
Owner:WEST CHINA HOSPITAL SICHUAN UNIV

Scindapsus aureus cultivation medium and preparation method thereof

ActiveCN102976839AImprove survival rateMeet the requirements of cutting growth and developmentFertilizer mixturesSocial benefitsEnvironment of Albania
The invention discloses a scindapsus aureus cultivation medium and a preparation method thereof. The scindapsus aureus cultivation medium is prepared by mixing landscape plant waste compost and auxiliary materials according to a certain volume ratio. The landscape plant waste compost is prepared by cutting, crushing, urea and water addition, turning and fermentation. The scindapsus aureus cultivation medium improves physicochemical properties of the original medium, adopts raw materials which have wide sources, are convenient for acquisition and have low prices, utilizes a landscape plant waste compost part to replace non-renewable peat massively used in flower production, improves ornamental plant quality, reduces a production cost, is beneficial for landscape waste utilization and environmental protection, and has good environmental ecological, economic and social benefits.
Owner:SHENZHEN TECHAND ECOLOGY & ENVIRONMENT CO LTD

Quaternary built completely biological degradation polylactic acid type composite material and use

The quaternary built completely biodegradable polylactic acid type composite material consists of PLA 45.0-80.0 wt%, PPC 3.0-38.0 wt%, PCL 3.0-38.0 wt%, PHB 3.0-38.0 wt% and various assistants. The quaternary built completely biodegradable polylactic acid type composite material is one kind of thermoplastic material, and has improved forming machining property, raised tearing strength and high product size stability. It may be blow molded to produce various film products with excellent physical and chemical performance and controllable biodegradation speed for wide application in packing and agriculture.
Owner:CHANGCHUN INST OF APPLIED CHEMISTRY - CHINESE ACAD OF SCI

Mitomycin double sustained release film of implanted antineoplastic agents and its preparation method

The invention discloses a double controlled release film agent of implanted antineoplastic agent mitomycin and a manufacturing method; the invention relates to a medicinal controlled release film agent. The invention provides a double controlled release film agent of implanted antineoplastic agent mitomycin, which relates to a medicinal controlled release film agent with high enveloping ratio, long continuous release duration, small incidence of burst release, few toxic and side effects, high medicine concentration on tumor lesions and low recrudescence probability of tumor, and a manufacturing method. The film agent includes mitomycin, polymer, lecithin, chitosan and collagen. The mitomycin and the lecithin are dissolved, lyophilized in order to obtain a colloidal mixture; the polymer is dissolved in organic solvent in order to obtain a polymer solution; the polymer solution is then added in the colloidal mixture in order to obtain a reverse micelle; the reverse micelle is further added to a polyvinyl alcohol solution, and an O / W latex is obtained by emulsification; the latex is lyophilized in order to obtain carrier micro-spheres; the collagen is dissolved in the acid solution in order to obtain a collagen solution; the chitosan is dissolved in the acid solution in order to obtain a chitosan solution; the collagen solution and the chitosan solution are mixed in order to obtain a collagen-chitosan mixture solution; finally the carrier micro-spheres are dispersed in the collagen-chitosan mixture solution which is then poured in a mould and dried.
Owner:XIAMEN UNIV

Liquid blast furnace slag pelletizing method and apparatus for heat recovering process

The present invention is liquid blast furnace slag pelletizing method and apparatus for heat recovering process, and features that the liquid slag blast furnace discharges in downward flow is crushed into grains with the pelletizing apparatus in high speed rotation to produce centrifugal force of throwing the liquid slag. Crushing the liquid slag into relatively homogeneous fine grains can ensure the effective heat exchange between slag and gas. The pelletizing apparatus is one wheel spoke type disc or cup structure capable of ensure the effective recovering of heat from the liquid blast furnace slag.
Owner:CHONGQING UNIV

Chitosan hydrogel, and preparation method and application thereof

The invention discloses a chitosan hydrogel. The structural unit of the chitosan hydrogel is shown in the specification; and in the structural unit, m is a natural number in a range of 400-700, and n is a natural number in a range of 30-100. The invention also discloses a preparation method of the chitosan hydrogel, and an application of the chitosan hydrogel. The method comprises the following steps: polyethylene glycol and tyramine molecules are grafted to a chitosan molecular chain in order to obtain a highly-water-soluble chitosan derivative, and the derivative is processed under the action of a crosslinking reagent to obtain the chitosan hydrogel. The process of the preparation method is simple, and the prepared chitosan hydrogel has the advantages of good physical, chemical and biological performances, good histocompatibility, environmental protection, and non-toxicity, and can be safely and effectively applied in restoration of wound tissues.
Owner:NANJING UNIV OF TECH

Metal colorful marking system and marking method

The invention relates to the technical field of laser processing, in particular to a metal colorful marking system and a marking method. The metal colorful marking system comprises a processing platform, an optical fiber laser, a vibrating galvanometer, a lens and a marking control system. The processing platform is used for placing a metal sample; the optical fiber laser is used for emitting laser beams; the vibrating galvanometer is used for controlling deviation of the laser beams; the lens is used for focusing the laser beams to the surface of the metal sample; the marking control system is used for controlling emission of laser and the emitting parameters as well scanning parameters of the vibrating galvanometer. The metal colorful marking system provided by the invention can controlemission of laser and adjust the emitting parameters of laser as well as the scanning parameters of the vibrating galvanometer; by adjusting and combining the parameters, oxidizing films of differentthicknesses can be formed on the surface of the metal so as to obtain the metal with a colorful effect, even a colorful pattern surface.
Owner:BEIJING UNIV OF TECH

Composite dietary fiber powder

Composite dietary fiber powder comprises the following components in percentage by weight: 0 to 50 konjac glucomannan (KGM), 7 to 10 guar gum, 0 to 20 cyclodextrin, 0 to 15 polyglucose, 0 to 1 seasoner, 0 to 2 food flavor and 0 to 1 food additives, and the rest is vegetable fiber. The composite dietary fiber powder provided by the invention has various species, different flavors, simple production process, high dietary fiber content and simple preparing method, and can provides abundant fiber powder for human body, and is beneficial to human health; and the prepared composite dietary fiber food has moderate water content and fine and refreshing taste.
Owner:HUBEI YIZHI KONJAC BIOTECH

Green glass-ceramic plate made from lead-zinc smelting slag and manufacturing method thereof

The invention relates to a green glass-ceramic plate made from lead-zinc smelting slag and a manufacturing method thereof. The glass raw material is prepared from the following components in parts by weight: 40 to 60 parts of lead-zinc smelting slag, 26 to 38 parts of quartz, 15 to 24 parts of lithium feldspar, 2 to 4 parts of soda ash, 2 to 3 parts of zinc oxide, 2 to 5 parts of barium carbonate, 1 to 3 parts of borax, 2 to 2.5 parts of chromium oxide, 0 to 0.2 part of copper oxide and 0.04 to 0.2 part of carbon powder. The invention is not only in line with the common glass-ceramic produced by completely adopting industrial materials on the aspect of the performance, but also can realize waste utilization, reduce the environmental pollution, the product cost and the melting temperature of glass, improve the melting speed and the melting furnace efficiency of the glass, decrease the energy consumption and can be widely applied to building decoration materials, especially applied in various building decoration engineering, such as inside and outer walls, floors, pillars, table boards of the building, and the like.
Owner:FENGXIAN SANLIAN BUILDING MATERIALS
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products