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1857 results about "Absorption capacity" patented technology

ABSORPTION CAPACITY. This usually means the ability of a country or organization to receive aid and use it effectively. Developing countries often lack this capacity.

Walter-absorbing agent

There is disclosed a water-absorbing agent which combines both performances of the capillary suction force and the liquid permeability. This water-absorbing agent is a particulate water-absorbing agent comprising water-absorbent resin particles (α) and a liquid-permeability-enhancing agent (β), wherein the water-absorbent resin particles (α) are surface-crosslink-treated particles of a crosslinked polymer of a monomer including acrylic acid and / or its salt; with the water-absorbing agent being characterized in that the particulate water-absorbing agent has: a mass-average particle diameter (D50) in the range of 234 to 394 gm, a logarithmic standard deviation (σξY) of a particle diameter distribution in the range of 0.25 to 0.45, an absorption capacity without load (CRC) of not less than 15 g / g, and a water-extractable component content of not higher than 15 mass %; and further a liquid-permeability-enhancing agent (β) content in the range of 0.01 to 5 mass parts per 100 mass parts of the water-absorbent resin particles (α).
Owner:NIPPON SHOKUBAI CO LTD

Water-absorbing agent

There is disclosed a water-absorbing agent which combines both performances of the capillary suction force and the liquid permeability. This water-absorbing agent is a particulate water-absorbing agent comprising water-absorbent resin particles (α) and a liquid-permeability-enhancing agent (β), wherein the water-absorbent resin particles (α) are surface-crosslink-treated particles of a crosslinked polymer of a monomer including acrylic acid and / or its salt; with the water-absorbing agent being characterized in that the particulate water-absorbing agent has: a mass-average particle diameter (D50) in the range of 234 to 394 gm, a logarithmic standard deviation (σζ) of a particle diameter distribution in the range of 0.25 to 0.45, an absorption capacity without load (CRC) of not less than 15 g / g, and a water-extractable component content of not higher than 15 mass %; and further a liquid-permeability-enhancing agent (β) content in the range of 0.01 to 5 mass parts per 100 mass parts of the water-absorbent resin particles (α).
Owner:NIPPON SHOKUBAI CO LTD

Water-absorbent resin powder and its production process and use

The present invention provides a water-absorbent resin powder and its production process and use, wherein the water-absorbent resin powder has high liquid permeability and high water absorbency. The production process for a water-absorbent resin powder, according to the present invention, comprises the step of obtaining water-absorbent crosslinked polymer particles by an aqueous solution polymerization step, and grinding the resultant crosslinked polymer particles until the bulk density thereof increases to not lower than 0.72 (g / ml). The water-absorbent resin powder is characterized by being arbitrarily pulverized and having a bulk density of not lower than 0.74 (g / ml) and a water absorption capacity of not lower than 20 (g / g) for 0.9 weight % physiological saline under a load of 0.7 psi (4.83 kPa). In addition, the absorbent structure comprises the above water-absorbent resin powder and a fibrous material. The absorbent article comprises an absorbent layer including the above absorbent structure.
Owner:NIPPON SHOKUBAI CO LTD

Method of preparing kakadu plum powder

ActiveUS20050163880A1High viscosityImpede efficient processingBiocideUnknown materialsAbsorption capacityUltrafiltration
A process for producing a kakadu plum powder having an increased amount of naturally occurring ascorbic acid and high ORAC value. The process of preparing the extract includes the following: disintegrating kakadu plum fruit; treating the disintegrated kakadu plum material with enzymes to at least partially digest the material; juicing the kakadu plum material and drying the juice to produce a powder. In a preferred embodiment, the kakadu plum juice is further clarified with ultrafiltration and concentrated by performing reverse osmosis on the kakadu plum juice. The resultant kakadu plum powder has a natural ascorbic acid content of at least about 15% and a naturally occurring Oxygen Reduction Absorption Capacity value of at least 1500.
Owner:ACCESS BUSINESS GRP INT LLC +1

Water-absorbing agent and production process therefor, and water-absorbent structure

The present invention provides: a novel water-absorbing agent, which exhibits an excellent absorption capacity under a load (AAP), gel layer liquid permeation rate under a load (FRUP), saline flow conductivity (SFC), and shape-maintaining property and ball burst strength (BBS) of a swollen water-absorbing agent aggregate, and excellent persistency of these effects for a long time. The water-absorbing agent, which comprises a polymer obtained by a process including the steps of polymerizing and then crosslinking a monomer including acrylic acid and / or a salt thereof, with the water-absorbing agent being characterized by: (1) exhibiting a free swelling capacity of not less than 23 g / g (GV), a gel deformation of not more than 12.5 cm under a short-time load (0.5 hrPT), and a gel deformation deterioration of not more than 3.5 cm under a load with the passage of time (ΔPT); (2) exhibiting a free swelling capacity of not less than 23 g / g (GV), a ball burst strength of not less than 80 gf (BBS), and a deterioration of ball burst strength of not more than 40% (DBBS); or (3) exhibiting a free swelling capacity of not less than 23 g / g (GV), an absorption capacity of not less than 20 g / g under a load of 4.9 kPa (AAP), and a gel deformation of not more than 12.5 cm under a load (16 hrPT).
Owner:NIPPON SHOKUBAI CO LTD

Water absorbent resin composition and production method thereof

The water absorbent resin composition and the production method thereof according to the present invention are characterized by including: water absorbent resin particles having an internal cross-linked structure obtained by polymerizing a water-soluble unsaturated monomer; a nitrogenous ketone compound (A) (containing no carboxyl group) having a structure represented by formula (1); and a bivalent and / or trivalent and / or tetravalent water-soluble metal salt, wherein a total amount of the nitrogenous ketone compound (A) and the bivalent and / or trivalent and / or tetravalent water-soluble metal salt ranges from 0.01 to 100 parts by mass with respect to 100 parts by mass of the water absorbent resin particles, thereby providing a water absorbent resin composition, having an excellent absorption capacity represented by a centrifuge retention capacity (CRC), an absorbency against pressure of 4.83 kPa (AAP) etc., having excellent liquid permeability and liquid diffusion properties, having excellent fluidity at the time of moisture absorption, having an excellent damage resistance property, effectively suppressing occurrence of dusts, hardly bringing about permeation of added metal compounds into water absorbent resin particles, hardly bringing about segregation of added metal compounds.
Owner:NIPPON SHOKUBAI CO LTD

Water-absorbent resin having treated surface and process for producing the same

ActiveUS20050070671A1Easy to operateSufficient absorption capacityAbsorbent padsBandagesAbsorption capacityMetal
An object of the present invention is to provide: a water-absorbent resin which can sufficiently overcome the problem of the gel blocking, can manifest sufficient absorption capacity without load and sufficient absorption capacity under load and, at the same time, can also exert excellent liquid permeability under load; and a process for producing the same. As a means of achieving this object, a first production process among the processes according to the present invention for producing a water-absorbent resin having a treated surface is a process comprising: a step of mixing a water-absorbent resin having an internal crosslinked structure obtained by polymerizing a monomer containing acrylic acid and / or a salt thereof as a main component, a complex containing a polyvalent metal atom as a central atom and an organic secondary crosslinking agent in the presence of an aqueous liquid; and a step of crosslinking a surface of the water-absorbent resin with the organic secondary crosslinking agent. And a second production process is a process comprising a step of mixing a water-absorbent resin having an internal crosslinked structure and a crosslinked surface obtained by polymerizing a monomer containing acrylic acid and / or a salt thereof as a main component, and a complex containing a polyvalent metal atom as a central atom in the presence of an aqueous liquid.
Owner:NIPPON SHOKUBAI CO LTD

Water-absorbent resin and production process therefor

In a production process for a water-absorbent resin, comprising the steps of: blending a liquid material and a water-absorbent resin; and heating the resultant mixture in order to produce a modified water-absorbent resin, the present invention is to provide: a method for uniformly and efficiently treating a water-absorbent resin favorably in view of industry, and as a result, a good-balanced water-absorbent resin having various excellent properties, such absorption capacity without a load, absorption capacity under a load, and single-layer absorption capacity under a load in contact with an aqueous liquid. The production process comprises the step of spray-blending a water-absorbent resin (A) and a liquid material (B) with a blending apparatus equipped with a spray nozzle (C), wherein the liquid material (B) is sprayed from the spray nozzle (C) and its spray pattern is a circular and hollow cone shape or a double-convex-lens and elliptic cone shape. In addition, the production process comprises the step of heat-treating a water-absorbent resin under an atmosphere having a dew point of not higher than 60° C. and a temperature of not lower than 90° C., wherein the water-absorbent resin is obtained after a drying step following a pulverization step.
Owner:NIPPON SHOKUBAI CO LTD

Absorbent structures comprising fluid storage members with improved ability to dewater acquisition/distribution members

InactiveUS6551295B1Effectively and efficiently dewateredImprove distributionOther chemical processesBaby linensAbsorption capacityDesorption
The present invention is an absorbent structure to be used in absorbent articles, having at least a first region for acquisition / distribution of fluid and a second region for storage of fluid. The first region can contain materials which have a relatively high capillary desorption pressure, as the materials in the second region exhibit a sufficiently high capillary absorption pressure so as to still efficiently drain the first region.The first region material has a Capillary Sorption Desorption Height (CSDH 90) of more than 40 cm and the second region material satisfies at least one of following requirements:(a) an absorption capacity of at least 15 g / g at 35 cm in the capsorption test;(b) an absorption capacity of at least 15 g / g at 0 cm in the capsorption test and an absorption efficiency of at least 55% at 40 cm;(c) a Capillary Sorption Absorption height at 50% of its capacity at 0 cm absorption height (CSAH 50) of at least 35 cm in the capsorption test.
Owner:THE PROCTER & GAMBLE COMPANY

Method for producing a cat litter from grain milling byproducts

InactiveUS6220206B1Inexpensive, biodegradableLow costAnimal housingOther apparatusAbsorption capacityLitter
The present invention relates to a cat litter formed from an amount of starch material and, optionally, a filler material, whereby the cat litter contains an amount of gelatinized starch equal to at least 30% by weight of each cat litter particle, and has a bulk density ranging between about 250 kg / m3 and about 300 kgm / m3, and an absorption capacity ranging between about 100% and about 140%. This invention also relates to a method of forming the cat litter, with it preferred that the cat litter be formed from a corn flour byproduct and a wheat middling byproduct.
Owner:CONAGRA FOODS INC

Gas collection method and apparatus therefor

Liquid film 7 is formed on the surface of a porous body 2 provided with a hydrophobic layer 6a and hydrophilic layer 6b, by moving thereon an ionic liquid having a selective absorption capacity of specific gas, and the specific gas within the gas to be processed is absorbed into the liquid film 7 by bringing pressurized gas to be processed into contact with the liquid film 7. The specific gas is, for example, a carbon dioxide gas and the ionic liquid is, for example, an imidazolium salt. The specific gas absorbed into the liquid film 7 is passed through the porous body 2 by use of a difference in pressure, and is collected on a low pressure side 11. The specific gas absorbed into this liquid that has been collected is separated into gas and liquid by a separator 8, and the specific gas is released and collected.
Owner:METAWATER CO LTD

Readjustable optical elements

The invention relates to optical elements whose optical properties can be repeatedly adjusted over time. Through the use of modifying compositions capable of stimulus induced polymerization coupled with a blend of stimulus absorbers and initiators, it is possible to repeatedly adjust the optical properties of the element by exposing the lens to a stimulus which exceeds the absorption capacity of the stimulus absorber.
Owner:RXSIGHT INC

Method and device for detecting state of health (SOH) of battery

The invention discloses a method and a device for detecting a state of health (SOH) of a battery. The method includes the steps: an absorption capacity value or a discharge capacity value in any capacity interval in the process of normal charging or discharging of the battery is monitored; a current battery actual capacity value in the capacity interval is acquired through computation by utilizing the capacity value; and the specific value of the SOH of the battery is computed by utilizing the current battery actual capacity value and a battery rated capacity value. The device can detect the SOH of the battery by utilizing the method. According to the method and the device for detecting the SOH of the battery, the absorption capacity value or the discharge capacity value in a characteristic capacity interval in the process of normal charging or discharging of the battery is monitored to detect the battery current actual capacity value and the specific value of the SOH so as to detect the SOH of the battery, average and effectiveness of the battery actual capacity values and the specific value of the SOH are judged for a plurality of times to improve detection accuracy, and therefore detection of the SOH of the battery is achieved effectively.
Owner:HUAWEI TECH CO LTD

Coating composite separation membrane and preparation method thereof

The present invention relates to the field of lithium battery processing, and discloses a coating composite separation membrane and a preparation method thereof. The coating composite separation membrane comprises a base film and a polymer covering layer coated on the surface of the base film, wherein the polymer covering layer comprises a water-soluble adhesive, a surfactant, a dispersing agent, a thickening agent, deionized water and polymer powder particles. The invention further discloses the preparation method for the coating composite separation membrane. The preparation method comprises: 1) preparing an aqueous slurry; 2) coating the polymer covering layer on the base film; 3) drying; and 4) winding. According to the present invention, absorption capacity and retention capacity of the separation membrane on the electrolyte are well improved, safety of the liquid state lithium battery during the use process is increased, and advantages of environmental protection and low cost are provided.
Owner:SHENZHEN SENIOR TECH MATERIAL

Compound decarburization solution for recovering carbon dioxide in gas mixture

The invention belongs to the gas separation technology area, it relates to a decarbonization solution which recycles or removes the carbon dioxide gas from the mixed gas which contains carbon dioxide, said invention specially relates to an ethoxyl ethylenediamine decarbonization solution. Its characteristic lies in: the invention has designed a new compound decarbonization solution which is composed of the main absorption component, the aid absorption component, the activation component, the corrosion inhibitor, the oxidation inhibitor and the water. Among, the main absorption component is AEE, the aid absorption component is AMP, MDEA and TEA, the activation component is MEA, DEA and PZ, the corrosion inhibitor is vitriol sour sodium, the oxidation inhibitor is the sodium sulfite and the cupric acetate. The effect and the profit of the invention are that it can be used in recycling many kinds of chemical industry reaction exhaust, the carbon dioxide of the combustion flue gas and the mixed gas, may also used in removing the carbon dioxide of town gas, the natural gas and so on, the merit of the decarbonization fluid is that the absorption capacity is big, purification is high, desorption rate is big, regeneration energy consumption is low.
Owner:DALIAN UNIV OF TECH

Method for simultaneously measuring high-pressure gas adsorption capacity and adsorption swell capacity of coal petrography and measuring equipment

The invention provides a method for simultaneously measuring high-pressure gas absorption capacity and adsorption sell capacity of coal petrography and measuring equipment, which can simultaneously measure the adsorption capacity and adsorption swell capacity of the coal petrography in high-pressure gas at a pressure of 0-20MPa and a temperature of 0-80 DEG C. In the process of measurement, a measurement and control device is used for performing signal transformation and analog-to-digital conversion on electrical signals of a displacement sensor, a temperature-measuring hot resistor and a pressure transmitter; a computer is used for automatically receiving pressure, temperature and displacement signal data from the measurement and control device and recording and saving the received data; and a computer screen is used for displaying the pressure, temperature, adsorption capacity and swell capacity data timely in the process of measurement and the change law curves of the pressure, the temperature and the swell capacity with the change of time in real time. In the method of the invention, the measurement on the adsorption capacity and the adsorption swell capacity can be finished simultaneously, so that the method is simple and convenient and fast, and has the advantages of simple structure, reliable and safe high-pressure seal, easy operation, high measurement accuracy, high resistance to pressure and automatic measurement.
Owner:SHANXI INST OF COAL CHEM CHINESE ACAD OF SCI

Polyacrylic Acid (Salt) Water-Absorbent Resin, Production Process Thereof, and Acrylic Acid Used in Polymerization for Production of Water-Absorbent Resin

An embodiment of the present invention allows for the production, with a high productivity, of a water-absorbent resin having an improved relationship between absorption capacity and water-soluble polymer, which are conflicting properties of the water-absorbent resin, being easily controlled for polymerization reaction, being of no odor, being less colored, and being of high absorption properties (high absorption capacity under load and high PPUP). In one embodiment of the present invention, a process for producing a water-absorbent resin by polymerizing an acrylic acid composition including acrylic acid and / or its salt, the process includes: (a) the step of carrying out radical polymerization of the acrylic acid composition to form a hydrogel crosslinked polymer; and (b) the step of drying the hydrogel crosslinked polymer by application of heat, the acrylic acid composition having an unpolymerizable organic compound content of 1 to 1000 ppm by weight, wherein the unpolymerizable organic compound has a solubility parameter of (1.0 to 2.5)×104(Jm−3)1 / 2.
Owner:NIPPON SHOKUBAI CO LTD

Strong-inhibition strong-blocking drilling fluid

The invention relates to the technical field of drilling fluid for petroleum drilling, particularly to high-inhibition strong-blocking drilling fluid. The drilling fluid comprises, by weight, 0.5%-15% of a strong inhibitor, 0.5%-7% of a strong blocking agent, 0.5%-5% of bentonite and 0.2%-6% of a fluid loss agent. The drilling fluid has strong inhibiting effect on hydration of strong water-sensitive mud shales through high concentration K+ generated after dissolution of the strong inhibitor; simultaneously, anions generated after the dissolution of the strong inhibitor take the absorption action with the surface of clay through the absorption capacity so as to form protective films on the surface of the clay, and therefore the hydration of the clay is prevented; and the strong blocking agent can achieve strong blocking to strong water-sensitive mud shale stratums with micro-cracks to form isolating films in the real sense, and therefore instability of well walls of the strong water-sensitive mud shale stratums is prevented. The drilling fluid has the advantages of being good in blocking, strong in inhabitation, good in lubricity, stable in high temperature property, small in damage to reservoir stratums, free of pollution and capable of improving the production efficiency.
Owner:CNPC XIBU DRILLING ENG

Alcohol-free alkaline texturing solution for mono-crystalline silicon wafer, texturing method for mono-crystalline silicon wafer, solar cell and manufacturing method for solar cell

The invention discloses an alcohol-free alkaline texturing solution for a mono-crystalline silicon wafer, a texturing method for the mono-crystalline silicon wafer, a solar cell and a manufacturing method for the solar cell. The alcohol-free alkaline texturing solution for the mono-crystalline silicon wafer comprises an alkaline solution and a texturing additive, wherein the texturing additive is an alcohol-free additive. According to the alcohol-free alkaline texturing solution, isopropanol which is harmful to human bodies and the environment adopted in the conventional alkaline texturing solution is abandoned; the corrosion depth of the surface of a silicon wafer can be controlled within the range of 5 to 7.5 mu m easily by performing surface texturing on the mono-crystalline silicon wafer obtained by performing linear cutting on a diamond by only adopting the alcohol-free alkaline texturing solution consisting of the alkaline solution and the alcohol-free additive; meanwhile, the corrosion speed is guaranteed; the anisotropy of corrosion is enhanced; pyramid structures on the surface of the silicon wafer obtained after the texturing are small and uniform in size, so that the reflectivity of the surface of the silicon wafer is reduced by about 1 percent; the light absorption capacity of the surface of the silicon wafer is increased; the conversion efficiency of the solar cell is improved.
Owner:YINGLI ENERGY CHINA

Polyurethane foam dressing with improved moisturization

ActiveUS20080146983A1High moisturizing rateDecrease of moisturizing rateNon-adhesive dressingsLayered productsWound healingForeign matter
The present invention relates to a polyurethane foam dressing material with improved moisturizing rate. More precisely, the present invention relates to a hydrophilic dressing material in which a wound contact layer (10) having a sponge structure composed of multiple open cells (12) and pores (15) passing through the cells (12) is laminated with a protective film (20). The lamination is characteristically performed at 150˜250° C. under a pressure of preferably 0.25˜1 kgf / cm2, the moisturizing rate of the wound contact layer (10) is 300˜1200% and the pore area (membrane opening) takes 10˜35% of the total cell area.The polyurethane foam dressing material of the present invention prevents the invasion of foreign materials, releases absorbed exudation after changing it into water vapor or arresting the absorbed exudation inside the foam to maintain constant moisturizing, has excellent exudation absorption capacity, has a wound healing effect resulting from not adhering to a wound, is easy to change, and enhances the wound healing effect by maintaining optimum moisturizing conditions resulting from the improved moisturizing rate.
Owner:GENEWEL

Preparation method of super-hydrophobic active carbon modified material

The invention discloses a preparation method of a super-hydrophobic active carbon modified material. The material is prepared by applying a chemical liquid phase impregnation method, using trimethylchlorosilane as a modifier, using absolute methanol as a solvent, respectively using pre-processed coal columnar active carbon and coconut shell granulated active carbon as carriers, impregnating via liquid phase, drying in vacuum, and commonly blowing air and drying. The hydrophobic performance is respectively detected through a contact angle test and a liquid water adsorption experiment; and the adsorption is checked by using benzene adsorption experiment and an iodine value test. The invention has the advantages of simple preparation process, less material consumption and wild preparation condition; and the preparation method is carried out at room temperature. The prepared active carbon modified material has super-hydrophobic surface chemical performance and great pore volume, which makes up the shortcomings of easy absorption of moisture in the multi-pore carbon material with high humidity and small absorption capacity of the target organic matters; and the prepared active carbon modified material is easy to recycle and can be repeatedly recycled, so that the industrial cost is reduced and a foundation is further laid for the industrialized application.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Method for modifying fly ash

ActiveCN101700491ASolve the problem of biological growth and foulingReduce time to chemical modificationOther chemical processesWater/sewage treatment by sorptionUltrasound - actionHigh absorption
The invention relates to a method for carrying out surface modification on waste fly ash and leading the waste fly ash to become an absorbing material with high absorption capacity and sterilization performance, and the method comprises the following steps: mixing the fly ash of 20 meshes with solution of an inorganic acid modifier (mixed solution that HCl: H2SO4 is equal to 1:3) according to the solution-ash ratio of 3: 1, and obtaining the partially modified fly ash under the ultrasonic action; and using a silane coupling agent for processing the surface of the fly ash, and further utilizing the reaction activity of the silane coupling agent for carrying out the further graft reaction, thereby preparing the absorbing material with immobilized polyquaternary ammonium salt sterilization performance and higher absorption capacity.
Owner:CHINA NAT OFFSHORE OIL CORP +1

Watersoluble polyurethane adsorption agent containing sulfhydryl group for removing hydrargyrum and preparation method thereof

The present invention pertains to the technical field of wastewater treatment, in particular to hydrophilic polyurethane absorbent containing sulfhydryl for removing Hg and a preparation method thereof. The present invention takes water and volatile non-water solvent as the mixed solvent, introduces chloromethyl thiirane monomer as the cross linking agent into hydrophilic polyurethane dispersion dope and finally carries out coating and solidification, thus obtaining the hydrophilic polyurethane absorbent containing sulfhydryl. The present invention has the advantages of simple and convenient technique, high production efficiency, high product quality and low cost. The composition of the prepared absorbent is controllable with the size of 50 to 250mm, the prepared absorbent has the advantages of large specific surface area, strong Hg-ion absorption capacity and rapid absorption rate. In addition, the present invention with excellent high-concentration Hg-ion absorption capacity and trace Hg-ion absorption capacity, good mechanical property and damage ratio lower than 0.5 percent after being used for a plurality of times can be applied to Hg, lead, cadmium and other heavy metal industrial wastewater treatment within a more extensive concentration range.
Owner:TONGJI UNIV

A multi-mode combined cooling, heating and power micro-grid system considering ice storage air conditioning

A multi-mode combined cooling, heating and power micro-grid system considering ice storage air conditioning is composed of a distributed power generation system composed of photovoltaic power generation, wind power generation, a fuel cell, a micro gas turbine and ice storage air conditioning, primary system composed of an energy storage system and other co-supply equipment, and a secondary dispatching control system. A CCHP-MG multi-time-scale optimal scheduling method is proposed, in a day-ahead plan, the uncertainty of renewable energy is described through multiple scenes, economic operationof CCHP-MG in a running optimization period is focused on; Intra-day scheduling is based on the scheme of the day-ahead plan, the difference and correlation of cooling, heating and power on scheduling time scale are considered, a two-layer rolling optimal scheduling scheme is proposed, the upper layer dispatches the combined cold and heat supply equipment, the lower layer adjusts power equipment,taking minimization of the adjustment cost as the goal, the smooth output of each co-supply equipment is obtained. The invention can remarkably improve the comprehensive utilization efficiency of energy and the local absorption capacity of the distributed renewable energy, and realize the economic and safe operation of the multi-energy micro-network.
Owner:CHINA THREE GORGES UNIV

Smoke desulphurization agent and smoke desulphurization method

The invention provides a smoke desulphurization agent. The desulphurization agent is aqueous solution containing a main absorption component, an activating agent, an anti-oxidation component and acid, wherein the main absorption component is one or more of alkyl piperazine, hydroxyalkyl piperazine and hydroxyalkyl piperazine ketone; the activating agent comprises piperazine and diazabicyclo; and the anti-oxidation component is at least one of 4-tert-butyl catechol, 2,6-di-tert-butyl-p-phenylcresol, acetone oxime and N,N-bi (2-ethoxy) glycine. The smoke desulphurization agent provided by the invention can remove and reclaim sulfur dioxide in the smoke, and has higher desulphurization rate; moreover, even if the smoke desulphurization agent is strongly oxidized and then is recycled, the absorption capacity for the sulfur dioxide is still stable; and in addition, the rich liquor formed by desulphurization after adopting the desulphurization agent has better desorption performance such as high desorption rate.
Owner:PANGANG GROUP VANADIUM TITANIUM & RESOURCES +2

Traditional Chinese medicinal dendrobium officinale preparation and preparation method thereof

InactiveCN102178848AHigh specific surface areaImprove the dissolution rate of active ingredientsMetabolism disorderDigestive systemMedicinal herbsAbsorption capacity
The invention provides a traditional Chinese medicinal dendrobium officinale preparation and a preparation method thereof. In the preparation method, by adopting freeze-drying and ultra-fine pulverization methods, dendrobium officinale is frozen to a brittle point or below vitreous temperature so that the dendrobium officinale is in a brittle state, then the dendrobium officinale is dried and pulverized in mechanical and pneumatic modes so that cell walls are broken, and finally ultra-fine powder is obtained. The preparation method has the beneficial effects of increasing specific surface area of the preparation, improving dissolution rate and bioavailability of effective ingredients, increasing absorption rate and absorption capacity for human body, enhancing pharmacological action and improving medicament effect up to 3-10 times as that of the traditional dendrobium officinale decoction pieces, thus reducing medicament consumption and saving medicinal materials.
Owner:湖南龙石山铁皮石斛基地有限公司

Phosphorus fixing film applied to diffusive gradients in thin-films measurement technology

The invention relates to a phosphorus fixing film applied to diffusive gradients in thin-films measurement technology. A fixing film and dispersion film superposed structure is arranged in the diffusive gradients in thin-films measurement technology, ions pass through a dispersion film in a dispersion way and is captured by a fixing film immediately to form the linear gradient distribution on the dispersion film. The phosphorus fixing film capturing phosphorus ions is characterized by using zirconium dioxide powder and acrylamide as raw materials, the raw materials are uniformly mixed to form mixed solution according to the weight volume ratio of 1:1.5-1:4, the mixed solution is slowly infused into a clearance of two glass plates clamping a u-shaped plastic sheet, the glass plates are placed for 2-4h horizontally at lower temperature of 10-15 DEG C after bubbles are removed, the temperature is risen to 30-35 DEG C after the zirconium dioxide powder is freely settled so as to enable the mixed solution to be gelated to form a film, the film has higher absorption capacity ratio to phosphate radicals than the prior iron film material by at least 4 times under the condition that the pH value is 5-9, so the analysis requirement of the DGT technology to phosphorus in different environment media is completely met.
Owner:NANJING INST OF GEOGRAPHY & LIMNOLOGY

Preparation method of network interpenetrating functional aquagel

The invention discloses a method for preparing network interpenetrating functional aquagel through the click chemistry and the atom transfer radical polymerization (ATRP) synchronous reaction. The polymer network is generated through the click reaction of monomers A containing three or more than three end alkynyl radicals and monomers B at least containing two end laminated nitrogen radicals, and network interpenetrating polymers are obtained through the atom transfer radical polymerization (ATRP) by double-bond-containing monomers C with functional groups. The click chemistry and the atom transfer radical polymerization are synchronously carried out in the same catalytic system, and the network interpenetrating functional aquagel with the regular structure is obtained. The method of the invention has the advantages of the click chemistry and the ATRP, and also has the advantages of simple operation and fast reaction. The functional aquagel prepared by the method of the invention based on polyethyleneglycol has the characteristics of good biocompatibility, high tensile strength, high water absorption capacity, high swelling ratio, regular structure and the like.
Owner:SOUTHEAST UNIV
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