16results about How to "Solve the breathability problem" patented technology

The invention provides sodium ion battery diaphragm coating slurry, a coated diaphragm and a sodium ion battery, and belongs to the technical field of energy materials. The raw materials comprise the following components: 5-60 parts of a sodium supplementing material, 50-90 parts of an inorganic solid electrolyte material, 0.1-3 parts of a dispersant, 1-10 parts of a binder, 0.1-5 parts of a wetting agent, 0-2 parts of an auxiliary agent and 100-300 parts of a solvent. The sodium-ion battery sodium-supplementing diaphragm comprises the sodium-ion battery sodium-supplementing diaphragm coating slurry and a base membrane, and at least one side of the base membrane is coated with the sodium-ion battery sodium-supplementing diaphragm coating slurry. According to the sodium-ion battery sodium-supplementing diaphragm prepared from the sodium-ion battery sodium-supplementing diaphragm coating slurry provided by the invention, the sodium-supplementing material in the diaphragm coating compensates sodium ions consumed by SEI film formation and side reaction by providing active Na < + >, so that the reversible capacity of the battery is improved.

The utility model discloses an antifouling PU (polyurethane) synthetic leather which comprises a polyurethane mirror resin layer, an antifouling treatment layer is arranged below the polyurethane mirror resin layer, a negative ion coating is adhered to the lower surface of the antifouling treatment layer, a breathable layer is arranged below the negative ion coating, a tensile net layer is adhered to the lower surface of the breathable layer, and the tensile net layer is arranged on the lower surface of the breathable layer. An antibacterial layer is arranged below the tensile net layer, a water absorption layer is arranged below the antibacterial layer, and a skin-friendly layer is arranged under the water absorption layer. According to the structure, the polyurethane mirror surface resin layer is arranged, the outer surface of the polyurethane mirror surface resin layer provides a high-brightness surface, dust and dirt are not prone to staying and adhering, the synthetic leather is easy to wipe clean, the antifouling treatment layer is arranged, the antifouling effect of the synthetic leather is secondarily improved, cleaning is more convenient, and the tensile net layer is arranged, so that the synthetic leather is more durable. When the synthetic leather encounters certain irresistible external tension, the integrity of the synthetic leather can be kept to a great extent.

This invention discloses a method for producing crop cultivation substrate using sugarcane filter mud and sugarcane pith as main raw materials, comprising the following steps: (1) dissolving and diluting 4,5-dihydro-4,5-dioxo-1H-pyrrolo[2,3-f]quinoline-2,7,9-tricarboxylic acid in water to obtain a solution; (2) mixing sugarcane slurry, sugarcane pith, the 4,5-dihydro-4,5-dioxo-1H-pyrrolo[2,3-f]quinoline-2,7,9-tricarboxylic acid solution, fermentation agent, and improver, adjusting the moisture content, and then composting and fermenting. The compost is turned over every few days and continuously composted and fermented for several days to obtain the crop cultivation substrate. The crop cultivation substrate produced by this invention is of excellent quality, allowing direct planting of plants without root burn. Therefore, this invention, using sugarcane filter mud and sugarcane pith as main raw materials to prepare and produce crop cultivation substrate, can effectively solve the problem of comprehensive utilization of sugarcane filter mud and improve product sales.

The invention discloses an electrochemical method for loading adhesive macromolecules on the surface of an electrode and application, rapid and patterned loading of an adhesive layer can be realized by sequentially carrying out cyclic voltammetry and potentiostatic method, and the method has the characteristics of flexibility, simplicity and convenience in operation, wide application range and repeatability. According to the flexible array electrode modified by the electrochemical method provided by the invention, an adhesion layer is only obtained at a conductive part, so that the electrode has excellent adhesion performance and is more attached to the skin of a human body, and the stability of a skin-electrode interface is enhanced; when the electrode is attached to the skin for impedance testing, the skin interface impedance is lower than that of a commercial gel electrode, the monitored electrophysiological signals are stable and accurate, and meanwhile, short circuit and signal crosstalk can be effectively prevented due to the characteristic of the patterned load. The electrochemical method provided by the invention is used as a modification technology, is universal, simple and convenient for the electrophysiological sensor, and also has important significance for reducing the cost of wearable health monitoring equipment and improving the performance of the wearable health monitoring equipment.

The invention discloses a composition for a breathable waterproof coating, the coating and a preparation method of the coating, belongs to the technical field of building coatings, and aims to solve the problem that a coating is bubbled and stripped due to low water vapor permeability of an existing waterproof coating. The composition is prepared from the following raw materials in parts by weight: 35 to 45 parts of acrylic emulsion, 0.1 to 0.3 part of cross-linking agent, 5 to 10 parts of diatomite, 0.2 to 0.5 part of wetting agent and 0.1 to 0.3 part of carbon nano tube. The preparation method comprises the step of sequentially dispersing and mixing the acrylic emulsion, the defoaming agent, the cross-linking agent, the water, the preservative, the diatomite, the heavy calcium carbonate, the wetting agent, the carbon nano tube, the precipitated barium sulfate and other raw materials at a specific rotating speed. The coating keeps excellent waterproof performance, tensile strength and flexibility, meanwhile, the water vapor permeability is remarkably improved, and the coating has good constructability and durability and is suitable for building waterproof engineering with high requirements for air permeability.

The utility model relates to the technical field of artificial limb orthopedic protectors, in particular to a breathable and comfortable artificial limb orthopedic protector which comprises an artificial limb body, a wearing assembly is installed at the top end of the artificial limb body and comprises a lower supporting plate, the lower supporting plate is fixedly arranged at the top end of the artificial limb body, and the top end of the lower supporting plate is fixedly connected with a spring telescopic rod. An air bag mechanism capable of distributing air is fixedly installed on the upper surface of the lower supporting plate and comprises an outer air bag and an inner air bag, the inner air bag is located in the outer air bag, the top end of the inner air bag is fixedly connected with an air outlet hard pipe, and one side of the top end of the outer air bag is fixedly connected with an air outlet hose. The top end of the upper supporting plate is fixedly connected with an orthopedic cylinder, and the inner side of the orthopedic cylinder is fixedly connected with a connecting layer. According to the orthopedic device, a complex fan or a pumping system is not needed, effective flowing and distribution of gas can be achieved only through natural actions of a human body, and the product complexity and cost are reduced.

The utility model provides a kind of small storage transport frame of fabric, belong to the field of garment processing.The transport frame includes base and multiple clothing frames, multiple clothing frames are stacked on base, multiple clothing frames are detachably connected between, clothing frame includes bottom plate, support frame and support column, support column is provided with multiple and is arranged with interval around the edge of bottom plate, support frame is installed above multiple support columns and is arranged with interval parallel to bottom plate, multiple air holes are opened on bottom plate, multiple air holes are distributed in rectangular array on bottom plate.Adopt the small storage transport frame of fabric provided in the utility model embodiment, can solve the problem of lower transfer efficiency and lower air permeability in prior art.

The utility model belongs to the technical field of grate bars for sintering, and particularly relates to a high-permeability trolley grate. The device comprises a bearing frame, a grid plate is arranged at the top of the bearing frame, the grid plate is composed of a plurality of grid bars arranged at intervals, and a vertically-through channel is reserved between every two adjacent grid bars; the bearing frame comprises a supporting body, end seats are arranged on the left side and the right side of the top of the supporting body, the grid plate is installed between the two end seats, a flow channel is formed in the top of each end seat corresponding to each channel, and the corresponding flow channels are communicated with the channels. Compared with an original grid section technology, the grid plate technology is utilized, the wind passing resistance of the sintering machine trolley is greatly reduced, and the air permeability of a mixture can be remarkably improved.

The invention discloses a method for transplanting old tea seedlings in a low-altitude and weak-base land area. According to the method, transplantable finished-product old tea seedlings are rapidly cultivated by using a twice in-situ root cutting technology; a light environment is combined around the pre-built planting tea garden, and a low-sunlight light condition suitable for the growth of tea seedlings is built; weakly alkaline soil is improved into weakly acidic soil suitable for growth of tea seedlings through a soil improvement technology; a microclimate condition of the air humidity of the tea seedling native land is built in the tea garden through the fog forest technology; cultivated container tea seedlings are planted in a high ridging and deep ditching mode, drainage and air permeability of roots of tea trees are guaranteed, and the problem that a tea garden with good growth cannot be built under the microclimate and soil conditions of a low-altitude weak-base land area is effectively solved.

The utility model relates to the technical field of edible mushroom cultivation, and disclose a ventilation and ventilation high -yield fungus bag, including bag body, bag body is formed by the composite of outer layer waterproof membrane and inner layer breathable film, and the bag body side evenly distributes and has the ventilation structure, and the bag body opening is equipped with sealing assembly and filter device, and the bag body bottom is equipped with support base. This ventilation and ventilation high -yield fungus bag is through the composite film structure and multilayer ventilation design, solved the problem that traditional fungus bag is bad, easy to pollute, the problem of moisture -retention effect is not good, realized the dynamic balance of ventilation and moisture retention, significantly improved the output and quality of edible mushroom.

The utility model discloses a kind of safety shoes for fire fighting, belong to fire protection equipment field, including shoe body, shoe sole and anti-drop component. Shoe sole is formed by buffer layer, puncture resistance layer, sole integrally pressed, buffer layer is EVA foamed material, puncture resistance layer is Kevlar fiber knitted layer, sole is nitrile rubber and silicon carbide particle composite material and is equipped with antiskid line and drainage groove, sole also contains nanometer silicon dioxide high-temperature resistant additive;Upper is flame-retardant canvas and neoprene coating composite structure, inside side sticks polyester fiber breathable layer, toe is embedded arc steel head, heel is equipped with antiskid convex point;Anti-drop component contains shoe tube place inner cavity and internal elastic rope. The safety shoes are coordinated through each structure, realize buffer puncture resistance, antiskid drainage, wide temperature range stability, flame-retardant breathable, wear stable and the like, can provide comprehensive protection for foot in fire fighting operation, guarantee firemen operation safety and comfort.

The invention discloses an efficient moisture-absorbing, breathable and self-cleaning automotive interior non-woven fabric and a preparation method thereof.A modified collagen fiber net has a super-hydrophobic structure and a super-hydrophilic structure, and the surface of the super-hydrophilic structure is tightly attached to a modified lyocell fiber net, so that the non-woven fabric has the moisture-absorbing, breathable and self-cleaning ability while having the moisture-absorbing, breathable and self-cleaning ability; the non-woven fabric is made of a porous material with a low shrinkage rate, so that the pore size of the non-woven fabric can be kept when the temperature rises, and the non-woven fabric has temperature change resistance and has good moisture absorption and air permeability and self-cleaning performance when the temperature rises; freeze drying is used for treating the fibers, moisture is directly sublimated from a solid state to a gaseous state at a low temperature, the moisture in the fibers is eliminated, an aerogel structure is formed, thermal stress caused by moisture evaporation is reduced, the performance of a porous structure can be improved, thermal shrinkage generated during heating can be avoided, and the thermal conductivity of the fibers is improved. Therefore, the pore structure, moisture absorption and air permeability of the non-woven fabric are maintained when the temperature rises.

This invention relates to the field of regenerated fiber fabric preparation, specifically to a bio-based regenerated fiber breathable and moisture-wicking fabric and its preparation method. The invention involves adding uniformly dispersed bio-based nanocellulose whiskers to a bio-based regenerated cellulose spinning solution, stirring until homogeneous, and then spinning the fabric. The entire process involves no additional chemical reactions; stable bonding is achieved solely through natural hydrogen bonds between cellulose macromolecules and whiskers. The whiskers possess high-density hydroxyl groups, constructing continuous hydrophilic moisture-wicking channels. Simultaneously, their high-rigidity one-dimensional rod-like structure forms a permanent supporting framework within the fiber. In the dry state, the stable fiber pores ensure high breathability, while in the wet state, they limit the swelling and deformation of cellulose macromolecules, thus preventing pore closure. This invention solves the problems of moisture absorption, swelling, and pore blockage in conventional regenerated fibers, as well as decreased moisture wicking and breathability in wet conditions. It also improves mechanical properties, has a simple process, is easily scalable for industrial production, and is entirely bio-based and biodegradable, making it environmentally friendly.

The present application relates to the technical field of clothing structure design, and discloses a body motion triggered self-heat-dissipation clothing, which comprises a clothing main body, the outer wall of the clothing main body is provided with a foldable structure, the foldable structure comprises a foldable outer layer and a foldable inner layer, the foldable outer layer and the foldable inner layer are connected alternately in sequence, a plurality of air holes are formed in the surface of the foldable inner layer, and the air holes penetrate through the foldable inner layer. The foldable structure formed by the foldable outer layer and the foldable inner layer are connected alternately, the opening change between the adjacent foldable inner layer and outer layer is driven by human motion, and then the air holes are exposed and shielded, so that the problem that the existing windproof and waterproof clothing has poor air permeability and cannot be dynamically adjusted when moving is solved, and the self-adaptive heat management effect that static heat preservation and rain prevention and moving air permeation and heat dissipation can be realized without power driving is achieved.

This invention discloses a method for transplanting old tea seedlings in low-altitude, slightly alkaline soil areas. The method utilizes a two-stage in-situ root pruning technique to rapidly cultivate transplantable mature old tea seedlings; it also creates suitable low-sunlight conditions for tea seedling growth by combining light environment with the surrounding area of ​​the pre-built tea garden; it improves the slightly alkaline soil to a slightly acidic soil suitable for tea seedling growth through soil improvement technology; it uses misting technology to create a microclimate with the same air humidity as the original habitat of the tea seedlings within the tea garden; and it uses high ridges and deep trenches to plant container tea seedlings, ensuring drainage and aeration of the tea tree roots. This effectively solves the problem that the microclimate and soil conditions in low-altitude, slightly alkaline soil areas are unsuitable for establishing tea gardens with good growth.

This utility model belongs to the field of footwear manufacturing technology, specifically referring to a toe-protecting sandal; it includes a sole and an upper, and further includes: a toe cover, detachably connected between the sole and the upper, comprising an upper protective part and a side protective part that enclose a toe-accommodating space; a rear connecting part, located on the rear side of the upper protective part, with a Velcro fastening assembly between the rear connecting part and the upper; and a sole connecting part, located on the bottom surface of the side protective part, with a connecting groove on the sole for fitting the sole connecting part, and a magnetic fastening assembly between the sole connecting part and the connecting groove; wherein, when the toe cover is in the installed state, the adhesive surface of the Velcro fastening assembly is higher than the adsorption surface of the magnetic fastening assembly. This utility model achieves quick installation and removal of the toe-protecting function of the sandal through the cooperation of the toe cover with the Velcro fastening assembly and the magnetic fastening assembly.