51results about How to "Stay hygroscopic" patented technology

The invention relates to a hybrid refrigeration-turning wheel dehumidification device. The advantages of a refrigeration system and a turning wheel are combined; the waste heat of a condenser is fully utilized to provide regenerated heat for the turning wheel; an auxiliary evaporator and an electric heating device are utilized to realize adjusting the air temperature so as to meet the comfort requirement; indoor humid air is humidified for the first step through a main evaporator after being primarily filtered, enters the turning wheel so as to be further humidified, and is then fed into the auxiliary evaporator for being further cooled to be discharged indoors or fed into the electric heating device for being heated to be discharged indoors according to the actual air supply temperature requirement of a user; and the waste heat of the condenser is fully utilized during a regeneration process, so that the heat required to be provided by the electric heating device is effectively reduced. The hybrid refrigeration-turning wheel dehumidification device provided by the invention provides several operating modes such as hybrid internal and external circulation, and when the air humidity is larger, dried air is utilized to directly and thoroughly desorb the turning wheel, so that the moisture absorption performance is ensured. The hybrid refrigeration-turning wheel dehumidification device provided by the invention has the advantages of high efficiency, low consumption, compact structure, good dehumidifying effect, safety, reliability, capability of stably working for a long time, and the like.

The invention discloses an antibacterial cotton cloth and a preparation method thereof. The antibacterial cotton cloth is produced by the following method and the method comprises the following steps: adding the silver-carrying hydroxylapatite, sodium hexametaphosphate, deacetylated chitin and citric acid into the water to form a solution; placing an absorbent cotton cloth into the solution prepared by the step (1) for padding and the residual padding rate is 60-100%, then pre-baking for 1-3 minutes at the temperature of 80-100 DEG C and then baking for 1-4 minutes at the temperature of 130-170 DEG C, therefore, the antibacterial cotton cloth can be produced. The invention adopts the silver-carrying hydroxylapatite which has broad antibacterial spectrum and good compatibility with the human body as the antibacterial finishing agent, therefore, the cloth is highly safe; the molecule of the silver-carrying hydroxylapatite contains a hydroxy base group that can produce acting force with the cellulose molecule, thus being capable of improving the binding strength between the antibacterial finishing agent and the cotton gauze; and the cloth has good washing fastness; The antibacterial cotton cloth of the invention contains antibacterial finishing agent that can kill or restrain the growth of the bacteria, and simultaneously keeps the good permeability, moisture absorption property and softness of the cotton cloth.

The invention relates to interwoven fabric interweaved by water absorption and fast drying fiber and cotton and making process thereof, specifically to moisture absorbent filament and cotton interwoven fabric and a weaving process thereof. In the weaving process, the the fineness of warp and weft , and weaving density are strictly controlled, the warp uses low temperature enzyme desizing in the printing and dyeing process without PVA sizing process,using a low-temperature dyeing method below 100 oC, softener adopts hydrophilic finishing agent for non silicone finishing,which can not affect the moisture absorption of the fabric, but can make the fabric comfort, hygroscopicity, moisture resistance be well maintained,the weaving fabric used in the weaving method of The interwoven fabric has good feel, high comfort, light texture, good water permeability and quick drying effect,which solvesthe problem of poor moisture absorption of the fabric,and fully transfers the body sweat, reduces the breeding of bacteria, greatly makes up for the lack of cotton fiber.

The invention discloses an organic bionic material and a preparation method. The organic bionic material is prepared from the following components in parts by weight: 1 to 8 parts of polyvinyl alcohol, 1 to 7 parts of metal chloride, 2 to 6 parts of colouring agent, 2 to 9 parts of cross-linking agent, and 5 to 6 parts of catalyst. The organic bionic material can simultaneously simulate plant leaf transpiration and a spectral reflection characteristic, and can simulate plant appearance, spectral reflection so as to achieve the aims of infrared, spectral imaging camouflage and woodland background visual camouflage.

A crease-resistant and shrink-resistant finishing agent for a hemp fabric comprises components in parts by mass as follows: 15-25 parts of silk fibroin, 5-10 parts of polyurethane, 1-3 parts of diepoxy triglycol glycidyl ether, 1-5 parts of glyoxal and 2-4 parts of citric acid, preferably, 20 parts of silk fibroin, 8 parts of polyurethane, 2 parts of diepoxy triglycol glycidyl ether, 3 parts of glyoxal and 3 parts of citric acid, wherein the mass ratio of silk fibroin to fatty alcohol-polyoxyethylene ether is 5:2. The provided crease-resistant and shrink-resistant finishing agent adopts silk fibroin as a main finishing agent ingredient, is safe and non-toxic, has excellent biocompatibility, and is particularly suitable for crease-resistant and shrink-resistant finishing of the hemp fabric, so that the crease resistance of the fabric is improved, the hemp fabric has a better washable characteristic, and the hand feeling, the breathability and the moisture absorption of the hemp fabric are kept.

The invention relates to the field of textiles, in particular to a solvent method based high-wet-modulus bamboo, wood and cotton mixed fiber and a preparation method thereof. The preparation method includes steps: activating, adding bamboo, wood and cotton mixed pulp into deionized water, adjusting a pH value, adding cellulase for activating, and adding alkali for adjusting the pH value; pressing;pre-dissolving, and adding water solution containing N-methylmorpholine-N-oxide in mass percent of 50-88%; dissolving, heating, vacuumizing, dewatering, dissolving, homogenizing and de-aerating; filtering; spinning, and adopting a dry-wet method for spinning forming; washing; bleaching; oiling; drying. The preparation method is simple in operation, free of industrial pollution, low in energy consumption, high in safety and suitable for large-scale industrial continuous production of solvent method based bamboo, wood and cotton mixed fibers. The bamboo, wood and cotton mixed fiber prepared according to the method keeps natural physical and chemical performances of bamboo, wood and cotton fibers and is free of chemical residues and high in wet modulus.

The invention relates to the technical field of camera demisting and dehumidifying, and discloses a camera dehumidification device and a camera, the dehumidification device comprises a shell, wherein a first end of the shell is connected to a camera shell, an accommodating space is formed in the shell, the surface of the shell is provided with an opening used for communicating the accommodating space with the interior of the camera shell, and the first end of the shell is provided with an opening; a reversible moisture absorption structure which s arranged in the accommodating space; a heating module which is arranged in the accommodating space and used for heating the reversible moisture absorption structure so that the reversible moisture absorption structure can absorb heat and release moisture; and a waterproof breathable film which is arranged at the opening and is used for discharging water vapor in the shell out of the camera shell. According to the dehumidification device disclosed by the invention, the problems of camera siphoning and fog prevention are effectively solved by utilizing the waterproof breathable film, the reversible moisture absorption structure and the heating module.

The invention discloses a flexible polymer waterproof coiled material and a preparation method thereof. The flexible polymer waterproof coiled material comprises a spraying layer and a base layer; thebase layer comprises a polyvinyl chloride soft layer with the thickness of 0.5-0.9 mm, polypropylene fiber non-woven fabric which is compounded on the top surface of the polyvinyl chloride soft layerin a hot-pressing mode and has a mesh structure, and polyester fabric which is compounded on the bottom surface of the polyvinyl chloride soft layer in a hot-pressing mode and has a matte bottom surface; the spraying layer is sprayed on the top surface of the polypropylene fiber non-woven fabric; and the spraying layer is made of polyurethane or polyurea. The polymer coiled material can adapt tothe environment that a construction area is damp or sundries such as dust and sand exist or a working face is not a flat face, and has the advantages of being easy and convenient to construct and excellent in weather resistance.

The invention discloses a weighting agent for weighting real silks. The weighting agent is characterized by comprising the following substances in parts by weight: 10-20 parts of emulsifying agent, 1-8 parts of surfactant, 10-14 parts of sulfate, 1-3 parts of citric acid, 1-7 parts of washing agent, 1-10 parts of auxiliary agent, 3-9 parts of sodium alginate and 50 parts of water. By virtue of adopting the weighting agent, the weight of the real silk is weighted and the thick and solid feeling of a real silk product is increased; the fluffing property and washability of the real silk are improved and the hand feeling, dyeing property and hygroscopicity of the real silk are also preserved.

The invention provides a dust suppressant as well as a preparation method and application thereof, and belongs to the field of road dust suppression. The preparation method of the dust suppressant comprises the following steps: mixing cellulase, water and straw, carrying out an enzymolysis reaction, and adding a thickener or an adhesive to obtain the dust suppressant. Straw is used as a raw material and is degraded through cellulase, and macromolecular saccharides such as xylan and cellulose are degraded into low-molecular saccharides; low-molecular carbohydrates are dissolved in a supernatantliquid, water evaporates is achieved after spraying, a soft mucous membrane layer is formed on the road surface due to residual carbohydrates, and the moisture absorption capacity can be kept for a long time, so that the road surface is kept in a relatively humid environment, and flying dust is inhibited; meanwhile, the formed soft mucous membrane layer can be well combined with the road surface;by adding the thickener or the adhesive, the viscosity of the dust suppressant can be improved, flying dust on the road surface can be effectively adhered, and thus the dust suppression effect is enhanced; in addition, the soft mucous membrane layer is not easy to dry to form a shell, so that the anti-rolling effect is better.

The invention discloses solvent-process high wet modulus chitin fibers and a preparation method thereof, and belongs to the field of textiles. The preparation method comprises the steps: (A) activating, to be specific, activating pulp dregs by cellulase to obtain paste; (B) squeezing, to be specific, squeezing and dehydrating the paste to obtain water-containing cellulose; (C) pre-dissolving, to be specific, mixing aqueous cellulose, N-methylmorpholine-N-oxide solution and a chitin solution to obtain a pre-dissolved pulp; (D) dissolving, to be specific, dissolving the pre-dissolved pulp in a dissolving machine to obtain a pulp; and (E) spinning, to be specific, performing spinning on the pulp to obtain the solvent-process high wet modulus chitin fibers. The preparation method has the advantages of good operation simplicity, zero industrial pollution to production, low energy consumption, high safety and suitability for large-scale industrial continuous production. The prepared solvent-process high wet modulus chitin fibers have high wet modulus, contain protein components, and are good in breathability and air permeability, comfortable to wear, soft to touch and favorable for continuous dyeing, are convenient to print and dye and are good for producing high-end fabrics.

The invention provides a short-flow pretreatment processing method for a cotton blending woven fabric. Desizing, scouring and bleaching are carried out in one step after a singeing process. The method specifically comprises the following seven steps of dipping and rolling of a cold heap liquid, wherein the rolling rate is 100%, and a two-dipping and two-rolling mode is adopted; cold heaping; first water washing; dipping and rolling of a steaming liquid, wherein the rolling rate is 100%, and the two-dipping and two-rolling mode is adopted; steaming; second water washing; drying. According to the processing method, the traditional desizing, scouring and bleaching processes of the cotton blending woven fabric are realized by means of a one-step method, the process flow is shortened, the production efficiency is improved, and meanwhile the consumption of water, electricity and steam is reduced.

The invention discloses blended yarn deeply developed from silkworms and a spinning process of the blended yarn. The blended yarn comprises a yarn body, wherein the yarn body is hollow yarn and comprises a hollow inner core layer, a sericin film layer and a winding skin layer which are sequentially arranged from inside to outside, the hollow inner core layer is made of mulberry bark fibers, the mulberry bark fibers are spirally wound outside a hollow core hole of the yarn body, the sericin film layer is formed by coating sericin outside the hollow inner core layer to form a film layer structure, the winding skin layer adopts winding filaments, and the winding filaments are spirally wound outside the sericin film layer to form an outer wrapping structure. According to the blended yarn deeply developed from the silkworms and the spinning process of the blended yarn, the silkworm industry is deeply developed, resources are fully utilized, and the mulberry fibers, the sericin, pupa proteinviscose filaments or spun silk are used for spinning the novel blended yarn; and the blended yarn is low in cost, high in yarn strength, soft and smooth in touch, washable, good in shrink-proof and crease-resistant performance, good in water absorption and air permeability and excellent in comprehensive performance.

The invention discloses a special quick-drying fabric for clothing and a processing technology thereof. In the preparation process, calcium carbonate is added into polyurethane, melt extrusion granulation is conducted, then the mixture is blended with polyurethane slices, spinning forming is conducted, modified polyurethane fibers are obtained, then the modified polyurethane fibers and cotton fibers are taken and woven, and base cloth is obtained; subsequent base cloth, middle cloth and surface cloth are subjected to process improvement on the basis of base cloth. The invention discloses a special quick-drying fabric for clothing and a processing technology thereof, the prepared quick-drying fabric not only has excellent moisture absorption and moisture removal effects and excellent quick-drying performance, but also has excellent antibacterial performance, breeding of bacteria in the water vapor infiltration and moisture removal process can be effectively avoided, and the quick-dryingfabric can be applied to multiple fields, and has high practicability.