123 results about "Hygroscopic Agents" patented technology

The invention relates to the technical field of rust-proof treatment of metal products, in particular to a rust-proof discoloration-proof packaging system and method for a bronze-plated tire bead wire. The system sequentially comprises a cleaning unit, a surface treatment unit, a drying box, a film coating device, a cooling unit, a post-treatment unit, a take-up device and a packaging system according to the process. The core of the process method is as follows: the steel wire is immediately coated with a special antirust film coating agent to be cured by using waste heat generated after the steel wire is dried, and the film coating agent comprises water-based resin, a silane coupling agent, a conductive polymer, a nano filler and benzotriazole; during packaging, an intelligent packaging system with a built-in humidity response humidity control bag is adopted, and the humidity control bag can automatically release inert gas and a moisture absorbent when the environment humidity reaches a preset threshold value. Multiple synergistic protection on the surface of the steel wire is achieved, the anti-rust period is remarkably prolonged to 12 months or above through dynamic humidity control, meanwhile, the bonding performance and the retention rate of the steel wire and rubber are improved, and energy conservation and environment protection are achieved.

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 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.

The invention discloses a low-temperature curing PVC plastisol composition for a vehicle and a preparation method of the low-temperature curing PVC plastisol composition. The invention relates to a low-temperature curing PVC plastisol composition for vehicles, which is prepared from the following raw materials in parts by weight. Comprising 5 to 15 parts of polyvinyl chloride-vinyl acetate copolymer resin, 5 to 15 parts of homopolymerized PVC paste resin, 1 to 10 parts of blended PVC paste resin, 30 to 40 parts of a compound plasticizer, 1 to 10 parts of a hydrocarbon solvent, 0.5 to 1.5 parts of terminated polyurethane, 0.5 to 2 parts of polyamide, 0.5 to 1 part of a thixotropic agent, 30 to 45 parts of an inorganic filler, 1 to 5 parts of a stabilizer and 1 to 5 parts of a moisture absorbent. The compound plasticizer is prepared from diethylene glycol dibenzoate, isodecyl benzoate and diisononyl phthalate. The PVC plastisol composition disclosed by the invention is a low-temperature and short-time curing material, and can be cured under the conditions that the baking temperature is 125 DEG C and the baking time is 20 minutes.

The invention discloses a novel composite fog dispersal catalyst formula and a preparation method thereof, and belongs to the field of manual intervention weather catalyst manufacturing. The catalyst comprises a hygroscopic agent, which can be calcium chloride, magnesium chloride, sodium chloride, urea, calcium hydroxide or magnesium hydroxide; the carrier agent can be oxidized starch, bentonite, diatomite, a molecular sieve or cellulose; and the dispersing agent can be silicon dioxide, fatty alcohol-polyoxyethylene ether, polyethylene glycol, fatty glyceride or titanium dioxide. The prepared catalyst has good hygroscopicity and dispersibility, and when the catalyst is sown in dense fog, the dense fog can be rapidly dissipated. The raw materials have high water absorption characteristic and dispersity and can accelerate dissipation of warm dense fog and improve visibility, most of the carrier materials are non-toxic and harmless environment-friendly materials, the content of chloride ions and alkali metal ions in the composite catalyst is effectively reduced by controlling the proportion, the corrosion effect caused by various ions is reduced, and the requirement for environmental protection is met.

The invention discloses a novel wet flue gas desulfurization composite synergistic additive and a preparation method thereof, and relates to the technical field of flue gas desulfurization. The novel wet flue gas desulfurization composite synergistic additive comprises the following raw materials in parts by weight: 15-25 parts of organic acid, 10-20 parts of organic salt, 5-10 parts of inorganic salt, 4-5 parts of a wetting agent, 5-8 parts of a moisture absorbent and 5-15 parts of an accelerant. The prepared novel wet flue gas desulfurization composite synergistic additive has good calcium carbonate dissolution rate and calcium sulfite oxidation rate, and the desulfurization efficiency is high.

The utility model relates to the technical field of packaging paperboards, in particular to a waterproof and moistureproof environment-friendly packaging paperboard which comprises a base material layer, a waterproof layer and a moistureproof layer, the waterproof layer is arranged on the outer side of the base material layer and made of a mixture of nano silicon dioxide and natural wax, and the moistureproof layer is arranged on the outer side of the waterproof layer and made of a mixture of nano silicon dioxide and natural wax. The waterproof layer is made of a composite material of modified starch and cellulose derivatives, the waterproof layer and the moisture-proof layer are connected through a nano-microporous structure, the nano-microporous structure is filled with a moisture absorbent, a groove is formed in the surface of the base material layer, the groove is filled with reinforced fibers, and a biodegradable film is further arranged between the waterproof layer and the base material layer. The waterproof and moistureproof environment-friendly packaging paperboard not only has excellent waterproof and moistureproof performance, but also meets the environment-friendly requirement, the production process is safe and harmless, meanwhile, the paperboard retains good air permeability and printing adaptability, and is suitable for various packaging requirements.

The invention belongs to the technical field of composite material preparation, and discloses oriented pore channel interconnected dual-network xerogel and a preparation method and application thereof.The method comprises the steps that firstly, acrylamide monomers, molybdenum sulfide nanosheets and sodium alginate powder are mixed and then dispersed in 35 mL of ultrapure water, and a homogeneous transparent precursor solution is formed; injecting the precursor solution into a mold to prepare molded hydrogel, loading the molded hydrogel into a brass mold, and performing directional freezing treatment to prepare PSM; the preparation method comprises the following steps: dipping PSM in a lithium chloride solution, carrying out directional freezing treatment, and then carrying out freeze-drying treatment to prepare the dual-network xerogel PSML. The dual-network xerogel PSML provided by the invention not only solves the problems of easy deliquescence, slow adsorption-desorption rate, poor cycle stability and high regeneration energy consumption of a moisture absorbent after moisture absorption, but also has excellent moisture absorption capability, photothermal conversion efficiency, water desorption performance and cycle stability; and high-efficiency low-energy-consumption indoor dehumidification and solar-driven atmosphere water collection can be realized synchronously.

The invention discloses an opencast coal mine truck transportation road dust suppressant for a high-temperature dry environment and a preparation method of the opencast coal mine truck transportation road dust suppressant. The dust suppressant is prepared by mixing 20-30% by mass of glucose, 0.05-0.15% by mass of a penetrant, 1.5-2.5% by mass of a water-retaining agent, 1.5-2.5% by mass of a moisture absorbent and the balance of water. The dust suppressant is an environment-friendly material, the main material glucose is a monosaccharide which is most widely distributed and most important in nature, and the dust suppressant has the characteristics of being non-toxic, odorless, green, environment-friendly, wide in source and application and the like. The dust suppressant integrates the functions of wetting, moisture absorption, water retention and the like, can keep dust on a road surface transported by a large mine truck of an open pit coal mine wet and effectively suppress flying dust on the road surface, is simple in preparation process, low in material cost, green and environment-friendly in material and wide in material source, and has good flowability and feasibility. The dust suppressant is applied to the open pit coal mine end slope transportation road, the environment quality and the traffic safety of the open pit coal mine can be effectively guaranteed, and the manpower and material resource investment of environment maintenance is reduced.

The invention belongs to the technical field of total heat exchange membranes for fresh air systems, and relates to a cleanable, efficient and environment-friendly total heat exchange membrane and a preparation method thereof. The total heat exchange membrane comprises a base membrane and a membrane casting layer compounded on the surface of the base membrane, the base membrane is a wet-process double-drawing polyethylene membrane, and the membrane casting solution comprises a high-molecular polymer and a moisture absorbent and can also comprise a modifier. The high-molecular polymer is one of polyvinyl alcohol, sodium alginate, chitosan, polyvinylpyrrolidone and polyurethane; the moisture absorbent is one of common metal chloride and glycerol; and the modifier is one of malic acid, calcium chloride and magnesium chloride. When the water resistance of the film is improved, the film has high moisture permeability and can be recycled; the total heat exchange membrane prepared by the method is simple in process, low in cost, good in moisture permeability and gas barrier property, and suitable for being used as a total heat exchanger of a fresh air system, and secondary pollution is avoided.

The present application relates to the technical field of hygroscopic materials, and specifically to a composite hygroscopic material and preparation method, a composite hygroscopic agent and preparation method, and applications. The composite hygroscopic material comprises a substrate and an organic substance loaded on the substrate; wherein the organic substance is an organic substance containing amino or sulfonic acid groups; the substrate comprises a molecular sieve; the hygroscopic material is a composite of organic and inorganic materials, which adsorbs water molecules to form bound water, thereby effectively preventing water molecules from condensing into liquid water in the pores, thereby achieving desorption of the hygroscopic material at 70°C, an adsorption depth below 40°C, and an adsorption capacity of more than 300g / kg.

The utility model discloses a packaging bag designed according to the 3R concept, which comprises a first thin film material, a second thin film material and a non-woven fabric material, the non-woven fabric material and the first thin film material are bonded through sealing and ironing, and a plurality of independent dry moisture absorbent packaging cavities are formed between the middle part of the inner side of a bag body and the bag bottom. The side, close to the bag bottom, of the dry moisture absorbent packaging cavity is sealed through a first clamping chain so that the dry moisture absorbent can be conveniently replaced, the second thin film material and the first thin film material of the sealed non-woven fabric material can be sealed and bonded to form a product containing cavity, and the end, opposite to the bag bottom, of the second thin film material is not sealed to form a bag opening. According to the packaging bag designed according to the 3R concept, multiple contradictions between functionality and environmental protection of traditional moisture-proof packaging are successfully solved, the 3R principle is integrated into packaging design, and the unification of reduction, reutilization and recoverability is achieved through an independent cavity, a replaceable structure and a single material system.

The application discloses a kind of based on poly-lactic acid oriented fiber's synergistic refrigeration super fabric and its preparation method, comprising the following steps: S1, zirconium salt, fumaric acid is uniformly dissolved in solvent, then microwave-ultrasonic wave is cooperated, solvent is removed, dried, high-temperature activation treatment, obtain high reflectivity MOF-801 porous nanocrystal;S2, after porous MOF-801 nanocrystal is uniformly dispersed, hygroscopic salt is impregnated into MOF-801 pore, solvent is removed, dried, obtain MOF-801 confined hygroscopic agent;S3, with poly-lactic acid and MOF-801 confined hygroscopic agent as raw material, by electrospinning technology, based on poly-lactic acid oriented fiber's synergistic refrigeration super fabric is prepared.The super fabric not only has excellent atmospheric water collection performance, high infrared emissivity and high solar reflectivity, but also has biocompatibility, degradability, it is a kind of high-performance synergistic refrigeration material with wide application prospect.

A moisture barrier composition includes polymer resin 10 weight percent (wt. %) to 50 wt. %, plasticizer 10 wt. % to 50 wt. %, pigment 0.01 wt. % to 2 wt. %, liquid heat and UV stabilizer 0.01 wt. % to 2 wt. %, anti-settling agent 0.01 wt. % to 2 wt. % or thickening agent 0.5 wt. % to 5 wt. %, a first filler 5 wt. % to 50 wt. %, a second filler 5 wt. % to 50 wt. %, moisture scavenger 0.5 wt. % to 5 wt. %, and catalyst 0.01 wt. % to 2 wt.

The present invention addresses the problem of providing a hygroscopic film and a hygroscopic laminate which absorb a large amount of moisture quickly in order to suppress deterioration of contents caused by moisture absorption. A hygroscopic film comprising, in a laminated manner, at least a resin layer that contains a specific polyethylene resin and a moisture absorption layer that contains a specific polyethylene resin and a moisture absorbing agent, or a hygroscopic laminate comprising a moisture-absorbing sealant layer that contains a gas barrier base layer and a moisture absorbing agent, wherein a second resin layer comprising a specific polyethylene resin and a antistatic agent is laminated in the following order: resin layer, moisture absorption layer, and second resin layer.

The present disclosure relates to a method for modifying the shape of permeable fibers, such as keratinous fibers, enabling in particular styling of mammalian hair fibers. The method comprises applying to the fibers a composition comprising a natural polymer and a fatty agent, both being water-insoluble and jointly polymerizable, and a water-soluble hygroscopic agent, all afore-said ingredients being small enough to permit their penetration within the fibers; leaving the composition on the fibers for sufficient time so that at least part of said materials penetrate within the fibers; and curing the water-insoluble ingredients to internally form a shapeable polymer capable of maintaining the fibers in a desirable shape. Compositions adapted for such method and kits allowing to prepare the same are also disclosed.

To provide a cleansing agent composition which achieves high storage stability and also exhibits high foamability, thereby offering pleasant user sensation.SOLUTION: A cleansing agent composition comprises a carbonate, an organic acid, a surfactant, and a moisture absorbent. The content of the surfactant in the composition is more than 5 mass%, and the content of the moisture absorbent is more than 5 mass%.SELECTED DRAWING: None

Disclosed is a ceramic moisture absorbent which comprises a plurality of fibrous particles that are formed of a ceramic which contains titanium, potassium, and oxygen. The plurality of fibrous particles form a plurality of pores between each other. The plurality of fibrous particles have specific pores that have a pore diameter of 10-80 nm inclusive as measured by a gas adsorption method. The total pore volume of the specific pores is 1 cm3 / g or more per unit mass of the ceramic moisture absorbent.

The invention discloses an air water taking device for forestry irrigation, and belongs to the technical field of irrigation. The method is used for solving the problem of water shortage in tree planting in arid and water-deficient forest areas. Comprising a filter screen, a top cover, an automatic turnover mechanism, a flow guide pipe, a radiation heat absorption material, a barrel body and a solid adsorbent, the top cover is installed on the barrel body through the automatic turnover mechanism, the filter screen is installed at the upper end of an inner cavity of the barrel body, the solid adsorbent is arranged on the inner wall of the barrel body, the radiation heat absorption material covers the outer wall of the barrel body, the lower end of the barrel body is communicated with the flow guide pipe, and the automatic turnover mechanism is powered by a new energy power generation device. Through the wide humidity adsorption characteristic of the solid moisture absorbent, a distributed atmospheric water collection device cluster is constructed. The device can be deployed on the periphery of desertification land or a forest farm work station, and a stable water source is provided for a manual supplementary irrigation system or an automatic sprinkling irrigation system through a solar driven desorption technology.

The present invention provides a dehumidifier that ensures a sealing effect and prevents leakage of the calcium chloride liquid hygroscopic agent. [Solution] The dehumidifier includes a dehumidifying bag. The dehumidifying bag includes a breathable sheet section 2 and a non-breathable strip section 3 on the breathable side, and a non-breathable sheet section 1 on the non-breathable side. A double-sided sealing section 6 is provided in the center of the dehumidifying bag, which partitions the internal space surrounded by the non-breathable sheet section and the breathable sheet section. This double-sided sealing section divides the internal space into a fragrance material storage section 4 and a moisture-absorbing material storage section 5. A non-breathable strip section is provided at the opening of the moisture-absorbing material storage section. By providing the double-sided sealing section, the internal space of the dehumidifying bag is partitioned, and the fragrance material and moisture-absorbing material can be filled separately, thereby preventing mutual interference. In addition, by providing the non-breathable strip section, heat welding of the same material is possible after filling with the moisture-absorbing material, ensuring a sealing effect and preventing leakage of calcium chloride liquid.

This utility model discloses a dehumidification device for coking coal storage, comprising a hollow, through-hole housing, with symmetrically distributed support bases fixedly connected to the bottom of the housing. This utility model belongs to the technical field of dehumidification equipment, specifically addressing the problems of natural ventilation being greatly affected by ambient temperature and humidity, the limited moisture absorption capacity of ordinary desiccant requiring frequent replacement, and the high energy consumption and uneven heat distribution of some electrically heated dehumidification devices, which easily accumulate dust inside the equipment, making cleaning difficult and affecting long-term performance.

The invention provides a novel chromium-free self-lubricating anti-corrosion aluminum coating as well as a preparation method and application thereof. The aluminum coating comprises the following components in percentage by weight: 20-40% of boron modified phenolic resin, 1-6% of epoxy resin, 7-30% of a lubricant, 5-10% of a wear-resistant agent, 2-5% of a moisture absorbent, 5-20% of aluminum powder, 2-5% of a thixotropic agent, 5-10% of an anticorrosive filler, 0.5-1.5% of an adhesion promoter, 1-2% of an anti-settling agent, 1-2% of a dispersant, 2-8% of a flexibilizer and the balance of an organic solvent, wherein the organic solvent comprises ethanol and butanone in a weight ratio of 1: (1-2). The aluminum coating is applied to preparation of a self-lubricating anti-corrosion aluminum coating on the surface of a fastener. According to the method, preparation of the chromium-free self-lubricating anti-corrosion aluminum coating and the aluminum coating is achieved, and the corrosion resistance and the assembly efficiency of aviation fasteners are greatly improved through the anti-corrosion and self-lubricating performance of the aluminum coating.

An ambient energy converter includes a housing having an upper portion and a lower portion. The housing lower portion has a hydrophobic material portion. The upper portion has a vent opening in fluid communication with ambience. The housing contains a mass of hygroscopic within the housing lower portion that is in fluid communication with the hydrophobic material portion. An ion conductive membrane electrode assembly is coupled to the housing to allow the passage of ionized water or water vapor through the ion conductive membrane electrode and into contact with the hygroscopic solution. An air conduit may be coupled to the housing to provide an airflow to the ion conductive membrane electrode and / or hydrophobic material portion.

The invention relates to a Janus structure eutectic gel, a preparation method and application in water trapping and environmental humidity control, and provides a confinement foaming strategy for preparing Janus structure eutectic gel (JEGs) composed of a porous body and a non-porous layer covering the porous body at low cost. The unique structure and component endow the JEGs with huge air contact area and excellent light capture capability, so that compared with the traditional eutectic gel, the JEGs are remarkably enhanced in the aspects of water capture and solar-driven water desorption efficiency. The JEGs serving as a moisture absorbent can be applied to a solar-driven AWH system, in addition, the JEGs can naturally and passively adjust the relative humidity of the microenvironment within a certain range, and the JEGs are suitable for storage and preservation of fresh food.

The embodiment relates to a porous absorbent material, and more particularly, to a porous absorbent material including porous grains to facilitate absorption and transfer of a liquid phase. The embodiment provides a porous absorbent material including a plurality of porous grains having micropores formed therein or on a surface thereof using a Benard cell phenomenon, and macropores are formed between the plurality of porous grains.

The invention relates to a photovoltaic cell driven infrared water glass-based water-soluble core targeted curing method which comprises the following steps: 1, uniformly mixing 100 parts by weight of water-soluble salt powder, 10-15 parts by weight of an inorganic solid waste inert filler, 6-10 parts by weight of chopped glass fiber waste silk, 4-5 parts by weight of water glass, 0.1-0.5 part by weight of an infrared energy absorbent and 0.04-0.05 part by weight of an anti-moisture-absorption agent, obtaining a water glass viscous mixture; 2, molding the viscous mixture obtained in the previous step as required to obtain a core blank; and 3, putting the core blank into an infrared curing oven driven by a photovoltaic cell, and carrying out rapid infrared targeted curing to obtain a water glass-based water-soluble core finished product. The prepared soluble salt core is high in strength, easy to collapse and good in moisture absorption resistance, most of the materials are industrial byproducts and solid waste, the cost is low, and obtained castings are high in size precision and surface smoothness and can be used for die casting of aluminum, magnesium alloy and the like.

This invention discloses an online prediction method and system for the remaining lifespan of desiccant in a maintenance-free intelligent desiccant, belonging to the field of power equipment condition monitoring and predictive maintenance technology. This method fully utilizes the built-in temperature and humidity sensors of the maintenance-free desiccant to obtain the average regeneration temperature and average humidity load for each desiccant-regeneration cycle. By calculating the damage fraction caused by a single cycle and accumulating these values, the cumulative damage degree is obtained, ultimately achieving a quantitative and online prediction of the remaining lifespan of the desiccant. This method solves the problem of inaccurate maintenance caused by traditional desiccant replacement relying on fixed cycles or experience-based judgment, realizing a shift from preventative maintenance to predictive maintenance, improving equipment reliability and reducing maintenance costs.

This application relates to the field of packaging films, and in particular to a self-absorbing moisture-absorbing film material and its preparation method. The self-absorbing moisture-absorbing film material comprises, from the outside to the inside, a corona layer, a barrier layer, and a moisture-absorbing layer. The barrier layer uses a combination of high-moisture-barrier HDPE and processable LDPE and LLDPE, resulting in good barrier properties, flexibility, tensile strength, and durability. A desiccant is incorporated into the moisture-absorbing layer, which absorbs moisture from inside the packaging or permeates through the barrier layer. The combination of a barrier layer with high barrier properties and a moisture-absorbing layer with good moisture absorption properties in the self-absorbing moisture-absorbing film material results in packaging bags with excellent barrier performance.

The present application relates to the daily chemical technical field, especially to a three-dimensional water-locking moisturizing composition and a preparation method and application thereof.The preparation raw material of the composition comprises: an aqueous phase, an oil phase and an emulsifier; wherein the oil phase comprises: butyrospermum parkii butter, cetyl stearyl alcohol olivate, sorbitan olivate and polymethylsilsesquioxane.The moisturizing cream provided by the present application has double effects: water supplementing + water locking, contains a moisture absorbent, can absorb moisture in the environment and deliver it to the skin surface, and helps the skin to keep moist; water locking: contains a moisturizing agent, forms a protective film on the skin surface, and reduces water loss.

The invention belongs to the technical field of fogging agent formulas, and discloses a high-efficiency environment-friendly polyol cold fogging agent and a preparation method thereof, and the cold fogging agent comprises the following components by mass: 10-30 wt% of a moisture absorbent, 3-10 wt% of a fogdrop stability regulator, 2-10 wt% of a fogdrop particle size optimizer, 8-28 wt% of a functional synergist, and 24-77 wt% of water. The functional synergist is prepared by compounding xylitol and glycine in a mass ratio of (30-80): (20-70). The cold fog aerosol can be efficiently atomized at normal temperature without high temperature or high pressure, and the local temperature can be reduced by 10 DEG C or above within a short time by using the aerosol in a high-temperature environment. No harmful chemical agent is used in the formula, and all the components are environment-friendly materials, so that the environment can be purified while the pollution to the environment is avoided, and the environment-friendly requirement is met. Cold fog particles formed after the aerosol is sprayed can be quickly diffused to form a large-area stable shielding layer, so that vision and infrared detection equipment of enemies can be effectively interfered.