3286 results about "Moisture absorption" patented technology

The invention discloses a hydrophobic-hydrophilic Janus water collecting film and an efficient preparation method thereof, and belongs to the field of water collecting materials. An electrostatic spinning process is adopted, and a hydrophobic polymer is accurately deposited on the surface of a hydrophilic substrate in the form of a nanofiber array, so that the Janus composite membrane with an asymmetric wetting gradient structure is successfully constructed. The unique double-sided wettability difference drives the liquid drops to realize directional transmission, and the core mechanism of the liquid drops is derived from capillary force regulation and control caused by interfacial wetting potential energy difference. The Janus membrane shows excellent performance in the aspect of air moisture trapping, the ultra-fast moisture absorption characteristic and the surface regeneration capacity are achieved, and compared with a traditional single-layer hydrophilic membrane, the water collecting efficiency is remarkably improved by 110%. A one-step forming process is adopted for preparation, the diameter of the nanofibers is controllable, complex post-treatment procedures are not needed, and energy consumption required by equipment is low. The high-performance water collecting film has important application value in the fields of atmospheric water taking in arid regions, dehumidification of precise instruments and the like.

The invention relates to the technical field of textiles, and discloses a cool and washable bio-based nylon 56 fabric and a preparation method thereof. The preparation method of the cool and washable bio-based nylon 56 fabric comprises the following steps: loading modified nano aluminum oxide on modified aluminum nitride microchips to obtain a composite cool material; nylon 56, an ethylene-methyl acrylate-glycidyl methacrylate terpolymer, polypentamethylene guanidine hydrochloride and a composite cool feeling material are subjected to blending extrusion and melt spinning, and then the bio-based nylon 56 fabric is woven. Mixing the composite modified boron nitride and ethanol to obtain finishing liquid; spraying the finishing liquid on one side of the bio-based nylon 56 fabric, and drying to obtain the cool washable bio-based nylon 56 fabric. The cool and washable bio-based nylon 56 fabric disclosed by the invention has excellent cool feeling, antibacterial property, washable property, moisture absorption property and unidirectional perspiration property.

The utility model is suitable for the technical field of household appliances, and provides a drying module and clothes processing equipment, the drying module comprises a base assembly and a moisture absorption and exhaust system, the base assembly comprises a base and an upper cover which are detachably connected, the base comprises a bottom plate and a first side plate arranged on the bottom plate, and the upper cover is connected with the end face of the first side plate; the moisture absorption and exhaust system comprises a moisture absorption and exhaust shell and a moisture absorption and exhaust part rotationally arranged in the moisture absorption and exhaust shell, at least one part of the moisture absorption and exhaust shell and the moisture absorption and exhaust part are arranged in the main drying air duct, and the rotating central axis of the moisture absorption and exhaust part is parallel to the air direction in the main drying air duct. At least part of the moisture absorption and exhaust part in the drying module is arranged in the main drying air duct, the rotating central axis is parallel to the wind direction of the main drying air duct, the drying module is high in wind passing efficiency and small in wind resistance, and a complex isolation sealing structure is not needed between the main drying air duct and the moisture absorption and exhaust system. The clothes processing equipment has the advantages of being high in drying speed and low in energy consumption.

The utility model is suitable for the technical field of household appliances, and provides a moisture absorption and exhaust system, a drying module and clothes processing equipment, the moisture absorption and exhaust system comprises a moisture absorption and exhaust shell and a rotatable moisture absorption and exhaust part arranged in the moisture absorption and exhaust shell, and the moisture absorption and exhaust part comprises a moisture absorption part and a desorption part; a first opening and a second opening which are communicated through a moisture absorption part are formed in the end faces, along the two axial sides of the moisture absorption and exhaust part, of the moisture absorption and exhaust shell, and an air inlet duct part and an air outlet duct part which are located on the two axial sides of the desorption part and communicated through the desorption part are further arranged on the end faces, along the two axial sides of the moisture absorption and exhaust part, of the moisture absorption and exhaust shell. The outer air guide face gradually inclines towards the desorption part in the direction facing the central axis of the moisture absorption and exhaust part and is used for guiding air in the main drying air channel to reach the moisture absorption part of the moisture absorption and exhaust assembly and / or guiding air flowing out of the moisture absorption part, it is avoided that air vortexes are generated in the main drying air channel, wind energy loss is caused, the air passing speed of the moisture absorption and exhaust system is guaranteed, and the service life of the system is prolonged. The water desorption efficiency is ensured, the energy consumption is reduced, and the drying efficiency is improved.

The utility model is suitable for the technical field of household appliances, and provides a moisture absorbing and discharging system, a drying module and clothes processing equipment, the moisture absorbing and discharging system comprises a moisture absorbing and discharging part, a moisture absorbing and discharging shell and a second driving part, the moisture absorbing and discharging part is arranged in the moisture absorbing and discharging shell, and a first opening and a second opening are formed in the moisture absorbing and discharging shell; the first opening and the second opening are used for exposing different parts of the moisture absorbing and discharging part respectively, the second driving part is fixed to the side, provided with the first opening, of the moisture absorbing and discharging shell and connected with the moisture absorbing and discharging part, the second driving part is used for driving the moisture absorbing and discharging part to rotate, and the second driving part deviates from the first opening in the radial direction; the shielding area of the second driving part to the first opening can be reduced, the drying airflow of the moisture absorption and exhaust part is prevented from being shielded, the moisture absorption and exhaust part has the larger air passing area and adsorption area, the air speed loss is reduced, and the clothes processing equipment is high in drying efficiency and low in energy consumption.

The invention relates to the technical field of water treatment agent preparation and environmental governance material processing, in particular to polymeric ferric sulfate and a preparation method thereof.The preparation method comprises the steps that steam condensation recycled water of a thermal power plant of an aluminum factory is mixed with ferrous sulfate and concentrated sulfuric acid to form a reaction solution, oxygen is introduced for an oxidative polymerization reaction, and a liquid intermediate is generated; gradient cooling is carried out on the liquid intermediate to control the molar ratio of ferric ions to hydroxyl, and a porous solid precursor is formed through concentration and closed aging; crushing the precursor, performing graded drying by adopting a rotary kiln and flash drying, and synchronously spraying a hydrophobic modifier to reduce the surface hydroxyl activity; the powdery product is secondarily dried in a nitrogen inert environment, and moisture absorption and agglomeration are inhibited. The invention solves the problems of mixed crystal forms, delayed release of effective components and secondary pollution in the traditional process. The obtained product is uniform in crystal form, concentrated in particle size distribution, remarkably improved in dissolution rate and storage stability, and suitable for black and odorous water body treatment and industrial sewage treatment.

The utility model is suitable for the technical field of household appliances, and provides a drying module and clothes processing equipment, the drying module comprises a moisture absorption and discharge system and a heat pump system, the moisture absorption and discharge system comprises a moisture absorption and discharge part and a moisture absorption and discharge shell, one axial end face of the moisture absorption and discharge shell is provided with a first opening, and the other axial end face of the moisture absorption and discharge shell is provided with a second opening; a first opening is formed in one axial end face of the moisture absorbing and discharging shell, a second opening is formed in the other axial end face of the moisture absorbing and discharging shell, the first opening and the second opening are communicated through the moisture absorbing and discharging part in the axial direction of the moisture absorbing and discharging part, and a first heat exchanger of the heat pump system is arranged on the upstream of the first opening in the wind direction. The second heat exchanger is arranged on the downstream of the second opening and used for exchanging heat with air which passes through the moisture absorption and exhaust part and is used for drying clothes, the air can vertically penetrate through the moisture absorption and exhaust part, the moisture absorption and exhaust part has a larger air passing area and is used for absorbing moisture, the loss of the air speed is reduced, and the dehumidification efficiency and the drying efficiency are improved.

The invention relates to the field of dehumidification control, in particular to a control method, device and equipment of a heat recovery rotating wheel dehumidification system and a storage medium. The method comprises the following steps: collecting real-time temperature and humidity parameters of a target indoor area, carrying out temperature and humidity position distribution interpolation calculation, and constructing a temperature and humidity distribution fluctuation diagram; performing indoor and outdoor humidity difference calculation and dehumidification demand prediction according to the temperature and humidity distribution fluctuation diagram to obtain a dehumidification demand prediction result; full-cycle operation state monitoring is conducted on the heat recovery rotary wheel dehumidification system, and the dehumidification load intensity of a moisture absorption area and the temperature recovery efficiency of a regeneration area are obtained; historical information of a runner material is extracted based on a dehumidification system operation log, the effective adsorption ratio and regeneration efficiency of the material are dynamically estimated, and a dehumidification performance attenuation index is generated. The dehumidification energy consumption is minimized, and the efficient and comfortable indoor adaptive dehumidification effect is achieved.

The invention discloses a high-moisture-absorption cool-sense chinlon 6 master batch and a fiber and a preparation method thereof, and belongs to the technical field of chemical fibers. The preparation method comprises the following steps: respectively crushing and grinding chinlon 6 powder, a moisture absorption modifier, cool powder, an antioxidant and a dispersing agent, mixing to prepare mixed powder, and carrying out quantitative feeding, melting and plasticizing, screw transmission and shearing, water-cooling pelletizing, vibration screening and forced air drying to prepare the high-moisture-absorption cool chinlon 6 master batch. The preparation method comprises the following steps: uniformly mixing dried high-moisture-absorption cool-sense chinlon 6 master batches and chinlon 6 slices, metering, mixing, extruding and melting, spraying out through a special-shaped hole spinneret plate to form tows, sucking monomers, bundling, oiling, stretching, sizing, and finally winding and spooling to obtain the high-moisture-absorption cool-sense chinlon 6 fiber. The preparation method disclosed by the invention is simple in process, the moisture regain of the prepared high-moisture-absorption cool-feeling chinlon 6 fiber can reach 5-8%, meanwhile, the high-moisture-absorption cool-feeling chinlon 6 fiber shows cool feeling and good air permeability and comfort, and a woven fabric is soft, skin-friendly and smooth in hand feeling.

The invention relates to the field of cooling of human body protective clothing, in particular to a cooling fabric based on phase change microcapsules. The cooling fabric comprises a polyester fiber layer, a phase change microcapsule layer and a PTFE waterproof breathable film layer. The polyester fiber layer is made of skin-friendly polyester fibers, has excellent moisture absorption and sweat releasing performance and can improve wearing comfort. The phase-change microcapsule layer is formed by uniformly embedding microcapsules coated with a phase-change material into the textile structure, and absorbs heat and generates phase change when the environment temperature rises, so that the temperature of the fabric is reduced; the PTFE waterproof breathable film layer has waterproof and breathable functions, can prevent external liquid from permeating, allows water vapor to permeate, and enhances environmental adaptability. By optimizing the spinning method of the phase-change microcapsules, the phase-change heat exchange efficiency can be improved while the air permeability of the fabric is kept, and the cooling performance of the fabric at high temperature is ensured. The fabric can be widely applied to high-temperature work clothes, outdoor sportswear and intelligent temperature control textiles, and has the advantages of being high in temperature adjusting capacity, comfortable, breathable and the like.

The invention relates to the technical field of automatic control, and discloses an automatic process intelligent control method and system for paper packaging. The method comprises the following steps: acquiring humidity fluctuation data and a material surface moisture content index in a production environment in real time, matching a preset moisture absorption model based on a humidity fluctuation grade, calculating a material physical property change amplitude and an influence of the material physical property change amplitude on pressure distribution, and obtaining a pressure distribution deviation value; calculating the target temperature adjustment amount of the heating equipment and updating the power setting of the humidity adjusting equipment according to the incidence relation between the deviation value and the equipment cooperation parameters, and generating a cooperation control instruction; driving equipment performs linkage adjustment and monitors pressure data, and key control parameters are extracted in a stable state for dynamic process adjustment; product appearance and packaging data are collected, whether the quality meets the standard or not is judged, and process parameters are automatically corrected. According to the method, multi-parameter intelligent cooperative control over humidity, temperature and pressure is achieved, and the stability, consistency and automation level of the paper product packaging production process are improved.

The invention discloses a chicken liver powder conveying system based on a multidirectional pneumatic channel, relates to the technical field of pneumatic conveying, and aims to solve the problems that local accumulation is caused by traditional one-way airflow, and the composite effects of conveying, mixing and drying are difficult to consider. The device comprises a mixing tank and an air inlet pipe, the lower end of the mixing tank is sequentially provided with a lower discharging pipe and a material distributing tank, and the lower end of the material distributing tank is provided with a composite pneumatic channel assembly; on one hand, the conveying-mixing-drying composite effect of chicken liver powder and additive powder is achieved through the multi-direction conveying airflow impact effect, stable feeding in the powder pneumatic conveying process is achieved, and on the other hand, a longitudinal disturbance mechanism is combined to be matched with the intermittent spraying effect; the limitation that the mixed powder is prone to moisture absorption and caking is relieved, the phenomenon of local accumulation or pipeline abrasion is avoided, and continuous and stable conveying can be effectively achieved under the design that the two materials supplement each other.

The invention relates to the technical field of lithium ion batteries, in particular to a composite lithium-rich manganese-based positive electrode material and a preparation method and application thereof. The composite lithium-rich manganese-based positive electrode material is of a three-layer structure and sequentially comprises a lithium-rich manganese-based oxide positive electrode material matrix, a first coating layer and a second coating layer from inside to outside, the first coating layer is a mixture of halide solid electrolyte and lithium-containing oxide; and the second coating layer is an oxide solid electrolyte. The conductivity of a contact interface with a positive electrode material can be improved, the resistance is reduced, the moisture absorption degradation of halide is inhibited, the packaging difficulty is reduced, and the cycle performance of the halide-added solid electrolyte after moisture absorption is improved.

The invention relates to the field of material performance detection, and discloses a corrugated paper moisture regain resistance detection method and system, and the method comprises the steps: firstly obtaining a corrugated paper sample storage environment, collecting environment data, carrying out dynamic moisture absorption analysis according to the environment data, and calculating a moisture permeation rate; analyzing the damp state of the structure in combination with the rate, querying a moisture regain index, and then carrying out layered humidity detection to obtain interlayer moisture change data; calculating anti-moisture regaining residual strength based on the data, generating an anti-moisture efficiency index by combining temperature and humidity, and dividing moisture regaining risk grades; and finally, configuring multi-order early warning indexes according to grades, positioning an edge moisture absorption area, calculating a diffusion gradient value, generating a humidity stable signal, sending the humidity stable signal to the terminal, and formulating a moisture regain detection strategy according to feedback. The corrugated paper moisture regaining detection accuracy can be guaranteed.

The invention provides a dynamic moisture absorption and sweat releasing fabric for outdoor sports, the fabric is a woven fabric, yarns of the fabric contain temperature-sensitive fibers, the temperature-sensitive fibers are skin-core structure fibers, the cross section of the skin-core structure fibers is a circular cross section, skin-layer fibers in the skin-core structure fibers contain temperature-sensitive expansion phase change microcapsules, and skin-layer fibers in the skin-core structure fibers contain temperature-sensitive expansion phase change microcapsules. And the hardness of the core layer is greater than that of the skin layer. By means of physical changes of heat absorption micro-expansion of the phase change microcapsules, the surfaces of the circular-section fibers protrude, meanwhile, the fabric coverage rate of the fabric is optimized, it is obtained through multiple times of verification that the fabric coverage rate is in the range of 94%-98%, the fabric coverage rate continues to be increased through micro-expansion of the microcapsules, and the fabric coverage rate is increased through the capillary effect. The fibers can quickly absorb moisture and sweat on the skin surface, and the moisture and sweat are diffused and transmitted to the outer layer to achieve the purpose of moisture absorption and sweat releasing.

The invention discloses a direct-current charging device and a use method thereof, relates to the technical field of direct-current charging, and aims to solve the technical problem that the service life and safety are affected by continuous plugging after a charging plug is fully charged. According to the invention, safety and reliability are improved through cooperation of multiple structures; the isolation sleeve, the outer convex ring clamp and the expansion ring form multi-stage sealing, dust and water vapor are prevented from invading, and the connection stability is enhanced; the loose insertion structure is automatically disconnected after being fully charged by means of thermosensitive deformation, so that part loss caused by long-term insertion is avoided; the moisture absorption structure periodically works through the extrusion part, continuously adsorbs and discharges moisture, and protects the safety of a circuit; the pressure energy structure maintains short-time sealing of the expansion ring after power failure, and the protection time is prolonged. All the components are linked through heat transfer, the functions of sealing, disconnecting, moisture prevention and the like can be achieved without extra power, the use experience is optimized, various environment requirements are met, and the service life of equipment is prolonged.

The invention relates to the technical field of knitted fabrics, in particular to a high-strength wear-resistant anti-snagging functional dry knitted fabric for exercise training and a production process thereof, and the production process comprises the following steps: weighing the following raw materials in parts by weight: 30-40 parts of polyester fibers, 20-30 parts of aramid fibers, 5-10 parts of jade fibers and 5-10 parts of polyamide fibers; polyester fibers, aramid fibers, jade fibers and polyamide fibers are subjected to relaxation treatment and then subjected to a drawing procedure, and the mixed roving is obtained. According to the knitted fabric for exercise training, polyester fibers, aramid fibers, jade fibers and polyamide fibers are blended and blended to prepare mixed roving, meanwhile, the mixed roving is infiltrated and improved through infiltrating liquid, finally, the mixed roving is matched with modified polyester filaments to be subjected to circular knitting improvement, and the obtained knitted fabric has the advantages of being excellent in wear resistance, mechanical strength performance and snagging performance, good in elasticity and good in elasticity. And the knitted fabric has remarkable moisture absorption, dryness and dryness and washing resistance, and the comprehensive coordination of the product is excellent.

The invention discloses a high-weatherability sound insulation wood plastic wallboard and a preparation method thereof, the high-weatherability sound insulation wood plastic wallboard comprises the following raw materials by weight: 30-40 parts of wood flour or plant fiber, 25-35 parts of a sound insulation functional filler, 35-45 parts of high density polyethylene, 2-2.5 parts of maleic anhydride grafted high density polyethylene, 1-1.5 parts of stearic acid, 3-4.5 parts of a weatherability auxiliary agent, and 1-1.5 parts of azodicarbonamide. The problems of cracking, deformation and the like caused by moisture absorption expansion are relieved by optimizing the proportion and compatibility of the wood flour and the plastic, and then the problems of weather resistance and sound insulation of the wallboard outdoors are solved by filling the porous sound absorption material.

The invention relates to the technical field of fabrics, in particular to a moisture absorption and sweat releasing fabric and a preparation process thereof.The preparation process includes the following steps that raw materials including, by weight, 35-40 parts of modified polyester silk, 20-25 parts of functional yarn and 8-12 parts of polyester fiber are weighed; a preparation method of the modified polyester yarn comprises the following steps: melting, blending and extruding polyester resin and a modifier according to a weight ratio of 100: 5; weaving the modified polyester yarns, the functional yarns and the polyester fibers into a knitted fabric body by using a circular knitting machine; setting the knitted fabric body at a high temperature of 115 DEG C for 50 seconds, and obtaining the moisture-absorbing and sweat-releasing fabric after setting is finished. According to the moisture absorption and sweat releasing fabric, the modified polyester yarn, the functional yarn and the polyester fiber are woven into the knitted fabric through the circular knitting machine, the modified polyester yarn is improved and optimized by matching polyester resin with the modifier, and the moisture absorption and sweat releasing performance, the elasticity and the wear resistance of the polyester yarn are enhanced through mutual matching and mutual assistance of the raw materials.

The invention relates to the technical field of high-performance polyester fibers, and discloses a dry skin-friendly fiber fabric, a preparation method thereof and application of the dry skin-friendly fiber fabric in underwear. The preparation method of the dry and comfortable skin-friendly fiber fabric comprises the following steps: carrying out reaction on terephthalic acid, ethylene glycol and an antibacterial modified diamide diol monomer to obtain modified polyester; the modified polyester and the polyester master batch are mixed and spun, and the modified profiled polyester fiber is obtained; dipping the modified profiled polyester fiber in a finishing liquid containing a biopolymer finishing agent to obtain the high-performance polyester fiber, blending and knitting high-performance polyester fibers, cotton fibers and mulberry silk fibers to obtain a dry skin-friendly fiber fabric; the dry and comfortable skin-friendly fiber fabric has excellent antibacterial performance, moisture absorption performance and skin-friendly performance, the skin can be kept dry and comfortable, safe and comfortable wearing experience is provided for a wearer, and the dry and comfortable skin-friendly fiber fabric can be used for underwear and other underwear materials.

The invention relates to the technical field of layered composite fabrics, in particular to a bio-based antibacterial fiber fabric and a preparation method thereof. The preparation method comprises the following steps: carrying out a reaction on diisocyanate, polyether polyol, bio-based polyester polyol and hexamidine dihydroxyethyl sulfonate in N, N-dimethylacetamide, so as to obtain a polyurethane prepolymer solution; 2-(4-aminophenyl)-5-aminobenzimidazole and amino-modified nano-zinc oxide are sequentially added into the polyurethane prepolymer solution for a reaction, a prepared polyurethane spinning solution is subjected to dry spinning to prepare polyurethane fibers, and then the polyurethane fibers are sequentially spun into yarn and fabric; the bio-based nylon is subjected to melt spinning to obtain bio-based nylon fibers, and the bio-based nylon fibers are sequentially spun into yarns and fabrics; the bio-based antibacterial fiber fabric is prepared by taking a polyurethane fabric as an inner-layer fabric and taking a bio-based chinlon fabric as an outer-layer fabric, and the fabric is good in antibacterial performance and moisture absorption performance.

The invention relates to the technical field of transformers, in particular to a power electronic transformer with a shielding structure, which mainly comprises a transformer body, a radiator is fixedly mounted on the side surface of the transformer body, a cooling fan is fixedly mounted at the end part of the radiator, and a weak current box is fixedly mounted at the end part of the transformer body. Double oil mist separation is achieved through the deoiler, one is that spiral ascending airflow is formed through guiding of the jet pipe, oil mist in gas is removed according to the centrifugal demisting principle, and the other is that residual oil mist in the gas is secondarily intercepted through the filter element pipe, so that the oil mist in respiratory airflow can be effectively removed, the oil mist interception efficiency is remarkably improved, and the oil mist separation efficiency is greatly improved. Meanwhile, the elastic membrane of the buffer can absorb sudden pressure change of the oil conservator through elastic deformation, so that the pressure fluctuation amplitude is reduced when the load changes suddenly, pulverization or structural damage of the drying agent caused by strong airflow impact is avoided, it is ensured that the moisture absorption drying agent is always in a clean and stable working environment, and the efficient dehumidification capacity is maintained.

The invention belongs to the technical field of high-voltage switch cabinet application, and provides a new energy booster station high-voltage switch cabinet protection device which comprises a cabinet body, and the upper side of the interior of the cabinet body is provided with a moisture absorption assembly used for condensing and discharging moisture in the cabinet body. A salt mist filtering mechanism used for performing salt mist filtering on the ventilation position of the cabinet body is arranged on the lower side in the cabinet body, and the moisture absorption assembly comprises a fixing frame fixedly connected to the lower side of the top wall of the cabinet body; by arranging the salt mist filtering mechanism, the high-voltage switch cabinet used in coastal areas can be ventilated and filtered, salt mist components in coastal air are effectively isolated, the problems of metal corrosion, insulator flashover, electrical contact oxidation and the like caused by salt mist permeation are avoided, the service life of circuit components is effectively prolonged, and meanwhile, the service life of the high-voltage switch cabinet is prolonged. Salt blocks on the filter bag can be automatically removed, the permeability of the filter bag is effectively ensured, the conditions that salt blocks are accumulated, the permeability of the filter bag is poor, and heat dissipation in the cabinet is affected are avoided, and time and labor are saved in use.

The utility model discloses a graphene carbon heat-conducting fin and reversible desiccant membrane combined membrane component for demisting an automobile lamp, a graphene carbon heat-conducting fin layer comprises a heat absorption area and a heat conduction area, the heat absorption area is arranged towards a heating element in the automobile lamp and is used for absorbing infrared heat, the heat conduction area is formed by extending from the heat absorption area to a cold area which is easy to fog, and the reversible desiccant membrane is arranged in the heat conduction area. The heat is exported for demisting; the reversible drying agent diaphragm layer is arranged in the heat conduction area and comprises a supporting framework layer, a functional layer and active filler; the support framework layer is an expanded polytetrafluoroethylene membrane with a microporous structure, the fog absorbent slurry forms a functional layer on the surface of the expanded polytetrafluoroethylene membrane, and the fog absorbent slurry is embedded into the microporous structure to form active filling. According to the utility model, heat generated by electrical elements in the automobile lamp is utilized to realize moisture absorption and desorption circulation of the reversible drying agent diaphragm, so that the fogging problem of a novel flat and long and narrow belt type automobile lamp is effectively solved, the structure is simple, and the cost is low.

The invention relates to the technical field of textile material and fiber processing, in particular to a high-elasticity moisture-absorption breathable acetate fabric and a preparation method thereof. The invention discloses a high-elasticity moisture-absorption breathable acetate fabric and a preparation method thereof.The acetate fabric takes a bio-based degradable thermoplastic polyester elastomer as an island and acetate as a sea, a homothermal double-hole structure is embedded in the acetate fabric, and the surface of the acetate fabric is covered with a polyglutamic acid and chitosan oligosaccharide self-repairing hydrophilic layer; the preparation method comprises the following steps: pre-burying alkali-resistant microspheres in a marine facies through solid island-solution sea double-path spinning of a bio-based degradable thermoplastic polyester elastomer and acetate, synchronously forming groove-closed pore double channels through simultaneous heating one-step alkali etching-baking, and finally forming a dynamic reversible hydrogen bond network through polyglutamic acid and chitosan oligosaccharide, so as to obtain the marine-based degradable alkali-resistant hydrogel. A bio-based finishing layer with a self-repairing function is obtained, and the finally obtained fabric has the characteristics of high elasticity, breathability, lasting moisture absorption, greenness and degradability.

The present invention discloses an antistatic and quick-drying multi-layer composite nylon fabric and a preparation method thereof. The antistatic and quick-drying multi-layer composite nylon fabric sequentially includes, from the outside to the inside: a modified layer, a carbon bead layer, and a moisture absorption layer; the modified layer is prepared by mixing bio-based nylon and modified graphene to obtain a modified graphene nylon fabric, and then blending it into yarn and weaving it; the carbon bead layer is prepared from carbon powder, phenolic resin, nano silver, and a surfactant; the moisture absorption layer is prepared by soaking bio-based nylon in a moisture absorbent, blending it into yarn, and weaving it; when polypropylene / modified graphene fiber modifies the existing bio-based nylon, it not only improves the antistatic resistance but also maintains a relatively high mechanical strength as much as possible. The prepared composite fabric has better antistatic, antibacterial, and moisture absorption properties, effectively solving the problem of the decrease in breaking strength and service performance caused by the improvement of antistatic properties.

The invention belongs to the technical field of humidity control, and particularly relates to a humidity adjusting material and a preparation method thereof. According to the invention, water provides a dispersion and moisture absorption basic environment for other components, the moisture absorbent and the binder are dissolved in water and then interact with each other to form a system with certain viscosity and moisture absorption capability, and the strong moisture absorption characteristic of the moisture absorbent is combined with the auxiliary moisture absorption and binding effects of the binder, so that the moisture absorption capability of the adjusting material is enhanced. The high water absorption of the water-absorbent resin is cooperated with a system formed by the moisture absorbent and the binder, so that the moisture absorption capacity of the adjusting material is greatly improved, and a formed gel structure is beneficial to stabilizing moisture and realizing the long-term effect of humidity adjustment. The humidity adjusting material provided by the invention can automatically perform moisture absorption or moisture release operation according to the environment humidity without external energy supply, effectively adjusts the environment humidity, and has the advantages of large moisture absorption capacity and high moisture absorption speed.

The invention discloses a bio-based PEF fiber with a cool feeling and a quick-drying function as well as a preparation method and application thereof, and belongs to the field of textile functional materials. The bio-based PEF fiber with the cool feeling and the quick-drying function is prepared by spinning bio-based poly (ethylene 2, 5-furandicarboxylate) with an epoxy group and a sulfonic acid group; the bio-based PEF fiber has a profiled fiber cross section and / or a hollow structure. The bio-based poly (ethylene 2, 5-furandicarboxylate) with an epoxy group and a sulfonic acid group is adopted, the hydrophilicity is improved, and the PEF fiber with the special-shaped section and / or the hollow structure is constructed to achieve the cool feeling, so that the moisture absorption and quick drying effects of the fiber are improved. The heat dissipation effect of the fiber can be improved, the moisture absorption and quick-drying effect of the fiber can be improved, and therefore dual improvement of the cool feeling and the quick-drying function is achieved. When the PEF fiber with the cool feeling and the quick-drying function is prepared, the mechanical property, the biodegradability and the like can be considered.

The invention belongs to the technical field of intelligent agriculture, and relates to a greenhouse plant remote disease collaborative diagnosis method and system based on a cloud platform, and the method comprises the steps: obtaining real-time image data of greenhouse plants, and eliminating image shielding interference to form enhanced visual data; generating a preliminary disease feature judgment result; automatically triggering a plant surface sampling device to collect microtissue fluid to perform rapid biological detection, and obtaining pathological judgment evidence by identifying germ characteristic molecular identifiers in biological detection; performing dynamic weighting calculation by combining the illumination accumulation amount of the plant in the historical growth period and a moisture absorption curve to obtain a comprehensive diagnosis conclusion; a pesticide spraying path is monitored in real time through an action sensor arranged on spraying equipment, and the matching degree of an actual execution action and a guidance scheme is judged; and adaptively adjusting monitoring parameters of other plants in the same area according to the deviation type to form a dynamic protection strategy. The problem of pesticide waste caused by equipment calibration errors or manual operation errors in actual execution is solved.

The invention discloses a preparation method of a combustion type warm cloud catalyst, the combustion type warm cloud catalyst comprises a first slurry and a second slurry, the first slurry and the second slurry are prepared by layered inclined pouring and curing, the first slurry comprises 35%-70% of an oxidizing agent, 3%-8% of a combustion agent, 10%-16% of a moisture absorbent and 13%-21% of an adhesive, the second slurry comprises 60%-70% of an oxidizing agent, 15%-17% of a combustion agent and 13%-25% of an adhesive. Through a method of layered pouring of two medicaments, hygroscopic salts are thoroughly isolated from external water vapor, the problem of moisture absorption failure caused by long-term storage is solved, the components and proportions of the oxidant and the incendiary agent are optimized, the combustion temperature is changed, the diameter of aerosol particles generated after combustion is controlled, and the problem of poor moisture absorption is solved.