159results about How to "High moisture absorption" patented technology

The invention discloses a fabric with a function of bidirectional adjustment of heat humidity. In contact with skin, one side of the fabric is a lining that is woven from yarns with official moisture regain below 2%; the other side of the fabric is a surface layer and woven from yarns with official moisture regain above 8%; the lining of the fabric adopts a structure projecting towards the skin side; and the projecting area accounts for 10-60% of the total area of the fabric, and the projecting height is 0.12-1.0mm. The benefits of the fabric are as follows: effectively transmitting thermal heat in a moving state, bringing good thermal insulation effect into play in a static state no matter whether underwear is dry or wet by sweat, consequently preventing sweat upon movement and cold caused by clamminess after sweating, and being stable in performance of eliminating sweat. The fabric can be made into underwears, is especially suitable for use in multilayer dressing, or in high humidity and other situations similar to multilayer dressing. The fabric can also be made into other products such as pillow towels, sweat towels, saliva towels, bandeaux, wrist straps and the like.

The invention relates to a fresh-keeping packaging material and products thereof, belonging to the technical field of packaging. The invention has the technical scheme that a certain proportion of mineral micropowder of kieselguhr or sepiolite or medical stone or bentonite or tephros or perlite and the like is doped into plastics of PE, PP, PVC and the like and paper pulp, and then the mixture is made into thin films, packaging paper or packaging bags or packaging boxes or packaging cases, trays and the like; the characteristics of dispersity, air permeability, adsorbability, far infrared ray and positive and negative ion function and the like of the mineral micropowder are utilized to enable the packaging material to generate micropores, and therefore, the packaging material has a certain air permeability and adsorbability or generates positive and negative ions or far infrared rays; gas and a small quantity of moisture which are generated from packaged articles are discharged from the micropores, and harmful gas is absorbed and transferred, and thereby, the heat value of the packaged articles can be effectively lowered; microbes are killed or restrained, thereby meeting the demands of keeping fresh of live and fresh food and prolonging storage life.

The invention discloses a method for producing polyester sizing agent, which belongs to the technical field of sizing agent manufacturing. The method produces the novel polyester sizing agent according to a principle of esterification, ester exchange reaction and polycondensation. The production process comprises two steps: firstly, mixing bishydroxy ethylene (BHET), 5-sulfoisophthalic acid (SIPA) monosodium salt and diethylene glycol(DEG), which serve as reaction materials, and zinc acetate (ZnAc2), which serves as a catalyst, according to a certain ratio, heating, stirring and reacting; and secondly, cooling the reaction product, transferring the reaction product to a reaction kettle containing triphenyl phosphate (TPP) serving as a stabilizer and antimonous oxide (Sb2O3) serving as a catalyst, continuing to heat and react, and cooling to obtain the novel polyester sizing agent. The polyester sizing agent produced by the method has an obviously improved adhesive force for yeans, the water solubility of the sizing agent and the softness of the sizing film are higher, the moisture rate and thermal stability of the polyester sizing agent are improved, and the breaking strength, elongation at break, wear resistance, buckling resistance and the like of the sizing film are improved obviously.

The invention relates to an expanded vermiculite cement board capable of releasing negative ions and a preparation method thereof. The preparation method comprises the following steps: (1) weighing of raw materials: weighing the raw materials consisting of expanded vermiculite, cement, tourmalinite and an accessory by volume; (2) material mixing: uniformly mixing the raw materials under stirring by using a stirrer; (3) molding: allowing slurry obtained after uniform mixing under stirring to pass through a head box and then to be conveyed to running felt on a slurry-carrying felt conveying roller, carrying out natural dehydration and vacuum dehydration so as to form a material layer and winding the material layer onto a molding drum for molding by rolling; (4) maintenance: subjecting a molded product to normal-temperature maintenance for 3 to 6 h at first and then to steam maintenance in an autoclave at a pressure of 1 MPa and a temperature of 100 to 200 DEG C for 10 to 18 h; and (5) drying: carrying out drying at a temperature of 70 to 100 DEG C for 1 to 3 so as to obtain the expanded vermiculite cement board. Compared with the prior art, the expanded vermiculite cement board provided by the invention has the advantages of capacity of releasing negative oxygen ions, environment friendliness, good practicality and the like.

The invention discloses a drying agent for an mine underground electric apparatus and a preparation method of the drying agent, belonging to the field of drying agent, wherein macromolecule water absorbent, compound of silicon or calcium and alkali halide or modified starch are mixed so as to prepare the powdery draying agent according to part by weight; the macromolecule water absorbent is 35-70 parts; the compound of silicon or calcium is 25-55 parts; the alkali halide or a mixture of the alkali halide and the modified starch is 10-15 parts; the grain size of the macromolecule water absorbent is 0.20-0.40mm; and the drying agent is powdery. According to the invention, raw material is wide in source and is purchased easily on the market; the drying agent is used for high/low-voltage power supply appliances worked on a mine underground high-humidity condition (RH=80-100%); the dry powder resists 6000V voltage or does not be broken down under voltage of 3000V; when moisture rate reaches to 1g/g, the dry powder resists 2500V voltage or does not be broken down under voltage of 1200V.

The invention discloses a preparation method for a controlled release preparation which has improved drug releasing property and mechanical property and increased production repeatability and is externally coated with a controlled release coat film comprising drug released pores filled with air, especial for a zero-order release controlled release preparation. The preparation method comprises thefollowing steps of firstly preparing core material; secondly, coating a controlled release coat film for the core material with solution of polymer containing sublimable matters and/or matter particles capable of being degraded into harmless gases or a dispersion liquid; thirdly, subjecting the polymer coat film to healing processing until the coating core material has a stable dissolution characteristic endpoint; and fourthly, volatilizing and/or degrading the sublimable matters and/or the matters capable of being degraded into harmless gases, wherein the fourth step is finished after the third step.

The invention provides a cotton imitation polyester filament with a high hygroscopicity and a preparation method thereof. The cotton imitation polyester filament contains 1-10wt% of CaSO3 and 90-99wt% of modified PET, wherein the modified PET contains -COH2CH2NHCH2CH2O- and -OCH2CH2OCOC6H4COOCH2O- in a ratio of 1:10-50. The invention also provides a preparation method of the cotton imitation polyester filament with high hygroscopicity. CaSO3, NH(CH2CH2OH)2, PEG, SIPE, PTA and EG are used as raw materials, wherein a molar ratio of PTA to EG is 1:0.95-1.35; an in situ polymerization method is used to prepare a polyester chip, which is treated with melt spinning through a shaped spinneret plate to obtain the polyester filament. The polyester filament prepared by the invention has high hygroscopicity, excellent anti-static electricity performance, mould proofness and antibacterial property, and not only overcomes defects of weak hydrophilcity and anti-static electricity performance of existing terylene but also solves a problem of uneven distribution of inorganic additive particles through the in situ polymerization, and can be applied to high-grade cotton imitation polyester filamentand fabrics thereof.

The diaphragm is a hot melted and rolled product from non-woven fabrics of nylon backing material in one, two or three layers. In total weight of raw fiber, nylon fiber is in 40-60 wt%, and hot melted composite fiber with dual constituents in low melting point is in 40-60 wt%; or, nylon fiber is in 40-60 wt%, hot melted composite fiber with dual constituents in low melting point is in 30-45 wt%, superfine vinylon fiber is in 10-15 wt%. The method includes steps: using different techniques prepares non-woven fabrics of nylon backing material in different structures; using hot rolling machine with three rollers rolls non-woven fabrics of nylon backing material in one, two or three layers. Features are: simple method, small investment easy of obtaining materials and low cost. The diaphragm is accorded with requirements of nickel cadmium SC cell: high capacitance 1500man-2000man, and discharging in 10C-15C high multiplying factors.

The invention provides a composite silica gel humidity adjusting agent, wherein a silica gel is taken as a matrix, and the silica gel is compounded with inorganic salt, so that the silica gel humidity adjusting agent is prepared. The weight of the inorganic salt is 3-20% of that of the composite silica gel humidity adjusting agent. The composite silica gel humidity adjusting agent is characterized by being prepared through the following steps of: dipping the silica gel into an inorganic salt water or alcoholic solution with a certain concentration, filtering, drying, and sieving so as to obtain a plurality of white spherical grains, wherein the grain diameters of the white spherical grains are within the range from 1.0mm to 5.0mm. The composite silica gel humidity adjusting agent has the advantages that the composite silica gel humidity adjusting agent is an accurate humidity adjusting and controlling product, a reaction can be quickly preformed in the case that the humiture of an external environment is changed, and the humiture within a certain space range can be kept constant by the means that the steam is absorbed and desorbed. The wet capacity of the composite silica gel humidity adjusting agent is more than or equal to that of similar adjusting products at home and abroad; and the composite silica gel humidity adjusting agent is stable in performance under a normal temperature, easy to pack, convenient to carry, nonhazardous, lower in regeneration temperature after the composite silica gel humidity adjusting agent is used, and reusable, thereby being a product which is environmentally-friendly and energy-saving.

The finishing process of antiseptic moisture-holding skin care towel includes preparing finishing agent and soaking or padding with the finishing agent. It features the preparation process of the finishing agent including preparing transparent colloid with chitin, hydrochloric acid and proteinase; heating to dissolving algenic acid and spirulina; mixing the transparent colloid algenic acid and spirulina; and final adding active marine life liquid. The finishing agent is antiseptic liquid with the basic effects of sterilizing, holding moisture and protecting skin. The towel through the said processing has the functions of sterilizing, holding moisture and protecting skin.

The invention relates to a light fireproof ecological aldehyde purifying cement board which comprises the following raw materials in parts by weight: 50-70 parts of kieselguhr powder, 15-30 parts of expanded vermiculite, 5-15 parts of shell powder, 5-15 parts of white cement, 0.01-5 parts of tourmaline powder and 10-20 parts of accessory materials. The board has the advantages of being capable ofpermanently continuously purifying indoor harmful substances such as formaldehyde; the long-lasting effect can reach up to 93% or above; the light fireproof ecological aldehyde purifying cement boardis capable of quickly neutralizing positive ions such as smoke, passive smoking, formaldehyde, cooking fume and dust (including PM2.5) in air and is capable of keeping indoor air fresh; the formaldehyde purifying rate can reach up to 94% or above and the formaldehyde purifying long-lasting effect can reach up to 93.8%.

The invention provides an outdoor anti-condensation control cabinet comprising a top shed which is arranged on a cabinet body, the cabinet body and ventilation windows which are arranged on two sides of the cabinet body. The bottom part of the cabinet body is provided with a heating device. The top shed adopts a double-layered top shed structure, wherein an upper top shed adopts a heat insulation material inclined top structure, and a lower top shed adopts a grid structure. The cabinet body is externally painted with light color scheme paint, and the internal wall is coated with paint with high hydrophobicity. The ventilation windows arranged on the two sides of the cabinet body are vertically arranged, and ventilation openings are provided with filter screens. The heating device adopts a constant heating type low-power heating element. Besides, a disconnection and shorting alarm device is installed. The control cabinet can withstand outdoor natural environment effects like sunshine, rain, snow, etc. A hot-pressing natural ventilation method is adopted, and a heater is arranged inside the control cabinet so that air temperature inside the cabinet is enhanced. Meanwhile, natural ventilation is additionally supplemented and external dry air is led into the cabinet so that air humidity inside the cabinet is reduced, condensation is avoided and electrical elements inside the cabinet are protected.

The present invention provides a moisture-absorbing resin composition comprising resin (A) in an amount of 100 parts by mass, and zeolite in an amount of 40 to 300 parts by mass, wherein resin (A) contains at least one polymer selected from among ethylene-methyl acrylate copolymer, ethylene-ethyl acrylate copolymer, ethylene-butyl acrylate copolymer, copolymer of ethylene-ethyl acrylate and acrylonitrile-styrene, and copolymer of ethylene-ethyl acrylate, maleic anhydride, and acrylonitrile-styrene, and a molded product produced through molding of the moisture-absorbing resin composition. The moisture-absorbing resin composition exhibits high moisture absorbency, high moisture absorption rate, and adhesion, and the molded product is produced from the composition.

The invention discloses an aspergillus flavus infection resistance method for xanthan gum composite membrane covered peanuts, comprising the following steps of adding peanut shell powder into a citric acid solution, conducting microwave extraction, leaching and concentrating the solution; adding absolute ethyl alcohol into the solution; standing, centrifuging, precipitating, freezing and drying; smashing to obtain peanut water-soluble dietary fiber; adding the peanut water-soluble dietary fiber into distilled water, and mixing uniformly; adding the xanthan gum under a stirring condition; removing bubble in vacuum to obtain xanthan gum water-soluble dietary fiber composite membrane coating materials; coating the coating materials on peanuts; packaging the peanuts; and storing the peanut at a normal temperature. The xanthan gum composite membrane covered peanuts prepared by the method can resist the aspergillus flavus infection, restrains the growth of the aspergillus flavus, prevents the peanut fat from being oxidized and is stored for a long term and suitable for industrial production.

The invention discloses a textile sterilization desiccant, which is prepared from the following raw materialss by weight: 2-7 parts of citric acid, 15-19 parts of bentonite, 9-11 parts of Dimethyldioctadecyl sodium chloride, 10-13 parts of calcium sulfate, 10-14 parts of attapulgite, 6-8 parts of bamboo charcoal powder, 12-15 parts of silica gel, 11-16 parts of refined iron powder, 8-14 parts of isopropanol, 9-12 parts of manganese, 6-10 parts of calcium chloride, 7-12 parts of calcium propionate, 12-16 parts of magnesium sulfate, 7-12 parts of high water absorbent resin, 4-7 parts of a licorice extract and 5-10 parts of lime. The textile sterilization desiccant provided by the invention has the advantages of high humidity moisture rate and no moisture regain under high humidity condition, significant sterilization and bacteriostasis effect, no harm to human body, and extensive scope of application.

The invention provides a fiber-based super absorbent resin and calcium chloride composite gel drying agent and a preparation method thereof. The fiber-based super absorbent resin and calcium chloridecomposite gel drying agent is prepared by adopting carboxymethyl cellulose as a basic skeleton of a high-molecular polymer and acrylamide as a polymerization monomer and utilizing a microwave polymerization method, wherein the moisture absorption of the fiber-based super absorbent resin and calcium chloride composite gel drying agent is higher than 400 percent, and the fiber-based super absorbentresin and calcium chloride composite gel drying agent has high salt tolerance, is low in cost and wide in source and is non-toxic and environment-friendly. Meanwhile, gel can be formed after water absorption is carried out on the fiber-based super absorbent resin and calcium chloride composite gel drying agent, and the problem of liquid leakage being likely to be caused during a using process of acalcium chloride drying agent is effectively solved.

The present invention relates to a method for preparing drying agent for food and instrument by using attapulgite clay. Said method includes the following steps: naturally drying said attapulgite clay in the sun, breaking, roasting, then soaking in CaCl2 or MgCl2 saturated solution, draining and baking in a baking box with a certain temperature so as to obtain the invented product.

The invention discloses a lithium ion battery isolating membrane based on dual-drive self-assembly and a preparation method of the lithium ion battery isolating membrane. The isolating membrane comprises two layers of modified non-woven fabric base membranes and a reinforced coating arranged between the two layers of modified non-woven fabric base membranes, and the modified non-woven fabric basemembranes are prepared by modifying and processing polypropylene non-woven fabric. According to the invention, the polypropylene non-woven fabric is used as a raw material; firstly, methyl methacrylate is used as a monomer, and methyl methacrylate is copolymerized on the surface of acrylic acid, so that the hydrophilicity of the non-woven fabric is improved, and the moisture absorption rate and the water retention rate of the non-woven fabric are further improved; then silicon dioxide is crosslinked and fixed in the non-woven fabric through a silane coupling agent, so that a filling effect isachieved, the equivalent aperture of the non-woven fabric is reduced, and the aperture distribution of the non-woven fabric is more uniform; finally, a layer of honeycomb net structure is formed on the surface of the non-woven fabric intermediate, so that the modified non-woven fabric base membrane is obtained; and the non-woven fabric base membranes have good adsorption capacity and permeation selectivity.

The present invention provides methods for single-bath desizing, scouring and bleaching of cellulosic materials, which are carried out by contracting the cellulosic simultaneously or sequentially with an enzyme system and a peracid bleaching system under conditions that do not require emptying the bath or rinsing the cellulosic materials between desizing, scouring and bleaching steps.

The invention belongs to the technical field of green and ecological environment building materials, and concretely relates to an ecologic foamed decoration plate containing alga and calcium, and a production method and an application thereof. The foamed decoration plate is produced from, by weight, 82-90 parts of a calcium-containing inorganic matrix, 5-10 parts of an alga matrix, 5-8 parts of photocatalysis mineral powder, 0.05-0.18 parts of a foaming agent, 60-75 parts of a compounded glue solution and 0.8-7.0 parts of a reinforcement filler. The production method comprises the following steps: 1, pre-mixing to prepare powder; 2, adding a liquid, and stirring to prepare a slurry; 3, molding; 4, demolding, and carrying out cutting polishing; 5, carrying out drying curing; and 5, carrying out decoration surface treatment. The ecologic foamed decoration plate containing alga and calcium undergoes foaming hole formation modification to obtain micro-porous structures and channels with different grades, and a photocatalysis ingredient is stably loaded on the surfaces of the micro-porous channels, so the ecologic functions of the decoration plate are improved, the formaldehyde purifying rate is improved by 28% under same test conditions, the negative oxygen ion induced generation amount is increased by 47.8%, the moisture absorption capacity is improved by 22.4%, and the moisture release capacity is improved by 31.7%; and the sound absorption property and the heat insulation practicality of the ecologic foamed decoration plate are improved, and the weight per unit area is reduced by about 30%.

The invention provides schizophyllan modified sodium hyaluronate microsphere gel, a preparation method of the sodium hyaluronate microsphere gel, and application of the sodium hyaluronate microspheregel in cosmetics. The method comprises the following steps: adding dried sodium hyaluronate powder into a hyaluronidase solution, and performing enzymolysis to obtain a sodium hyaluronate small-molecule solution; slowly adding the sodium hyaluronate small-molecule solution into a mixed oil phase, slowly stirring, adding a mixed cross-linking agent of calcium chloride and divinyl sulfone, cross-linking and curing to obtain sodium hyaluronate microspheres; adding the sodium hyaluronate microspheres and pre-treated schizophyllan into an alkaline solution containing polyethylene glycol, uniformlystirring, regulating the pH value of the system to be neutral, adding a phosphate buffer solution, standing and aging, thereby obtaining the schizophyllan modified sodium hyaluronate microsphere gel.The schizophyllan modified sodium hyaluronate microsphere gel prepared by the method disclosed by the invention is small in particle size, easily penetrates into the deep part of skin, can form tiny gel with protein-water, achieves the effect of deeply moisturizing for a long time, and has excellent moisture retention property.