234 results about "Moisture transfer" patented technology

The present invention relates to breathable, vented, and insulating cold weather garments. More particularly, the present invention relates to garments with chambers to retain an insulating fill material. Perforations along the seams between the insulating chambers may achieve optimal evaporative moisture transfer from the inside (proximal to the body of a wearer) of the garment to the outside environment.

The waterproof/breathable moisture transfer liner for a running and hiking shoe includes an inner liner selected from technically advanced fabrics which are carefully selected. A series of layers are provided outside the inner liner including foam material layers, breathable membranes, a supportive mesh or a moldable foam, and an our shell fabric. The applicability of the liner to alpine, snowboard boots, cross country, hiking boots, protective gear and helmets, along with appropriate variations for each application.

The invention relates to a knitted fabric with multiple functions of keeping warm, absorbing moisture, releasing sweat and resisting bacteria. The knitted fabric comprises an outer layer, a middle layer and an inner layer, wherein the outer layer and the inner layer are connected with the middle layer through double-sided knitted structures; the outer layer has double-loop structure formed by interweaving hydrophilic yarns and elastic yarns; the inner layer has double-loop structure formed by interweaving moisture-transfer functional yarns containing antibacterial substances and elastic yarns; and the middle layer is made of elastic yarns with moisture-transfer function. A weaving method for the fabric comprises the following steps of: arranging a dial needle and a cylinder needle on a double-sided circular weft knitting machine in a double-rib arrangement mode; weaving the outer layer of the fabric by loops on the dial needle in a plaiting mode; weaving the inner layer of the fabric by loops on the cylinder needle in a plaiting mode; and finally weaving the middle layer of the fabric, and connecting the middle layer, the inner layer and the outer layer. The fabric has multiple functions of keeping warm, absorbing moisture, releasing sweat and resisting bacteria, has integral elasticity, and has the characteristics of flat appearance, massiveness, soft handfeel and the like.

The apparel is constructed from various combinations of layers of materials with moisture transfer properties. A first liner of moisture transfer fabrics abuts a second layer of structural material such as open-cell foam. The second layer can abut a breathable membrane and/or an insulating material. Finally, carefully selected outer fabric completes the combination to provide apparel with improved performance characteristics. The outer fabrics are treated in various ways to enhance performance.

An improved moisture transfer interface for knit products, such as socks. The interface requires a first knit portion comprising predominately hydrophilic yarn and a second knit portion comprising predominately hydrophobic yarn. The first and second knit portions each possess elongated fingers of their respective yarns which are interlocked with one another. Moisture that is absorbed by the hydrophilic first knit portion is wicked into the hydrophobic second knit portion and subsequently evaporates. The interlocked fingers provide a more effective moisture transfer interface than a non-fingered interface.

The waterproof/breathable moisture transfer liner for a snowboard boot includes an inner liner selected from technically advanced fabrics which are carefully selected. A series of layers are provided outside the inner liner including foam material layers, breathable membranes, a supportive mesh or a moldable foam, and an outer shell fabric. The applicability of the liner to alpine, cross country and hiking boots, along with appropriate variations for each application.

The present invention relates to methods and compositions for treating fabrics to facilitate moisture transfer from one side of the fabric to the other, and fabrics made according to such methods. The fabrics generally have one side or surface of the fabric treated with a net hydrophobic composition, whereas the opposing surface of the fabric is not treated with the net hydrophobic composition.

The moisture transfer system includes a waterproof/breathable moisture transfer liner having an inner fabric layer selected from technically advanced fabrics which are carefully selected. A series of layers are provided outside the inner liner including foam material layers, breathable membranes, encapsulation technology, waterproof films and an outer fabric layer. The moisture transfer system in incorporated into in-line skate as either a removable liner for a shell boot or a liner for a softboot.

The invention discloses a one-way moisture-transfer all-cotton spunlaced nonwoven and as well as a product and a preparation method thereof. The all-cotton spunlaced nonwoven comprises an all-cotton spunlaced nonwoven matrix, the all-cotton spunlaced nonwoven matrix comprises a hydrophobic surface and a hydrophilic surface, wherein the hydrophobic surface contains hydrophobic substances used for transferring moisture from the hydrophobic surface to the hydrophilic surface. The one-way moisture-transfer all-cotton spunlaced nonwoven selects an all-cotton material, has light and soft texture and good one-way moisture-transfer effect and can effectively absorb and permeate the moisture and prevent the moisture from reversely flowing, thereby enabling the hydrophobic surface directly contacting with the skin of a human body to keep dry and bringing about more comfortable feeling for a user of a one-way moisture-transfer product.

The invention discloses a constant-pressure multiple-effect evaporation condensation sea water desalination device with an air medium, which mainly comprises a low-and-medium temperature heat source (13), a first-stage heating evaporator (14), an evaporation condenser (4) and a last-stage condenser (8). The first-stage heating evaporator (14), the evaporation condenser (4) and the last-stage condenser (8) are installed in sequence closely, and the low-and-medium heat source (13) and the first-stage heating evaporator (14) are connected together. The first-stage heating evaporator (14), the evaporation condenser (4) and the last-stage condenser are all formed by combining a plurality of heat exchange plates which are arranged from left to right in sequence, and a gap is reserved between every two adjacent heat exchanging plates to form a flow channel for heat exchange fluid. By adopting the plate-type heat exchange principle, the sea water desalination device realizes multiple-effect air humidification and dehumidification evaporation and condensation for sea water desalination under constant pressure. Heat and moisture transfer is performed between sprayed sea water and overflowing air, and the condensation latent heat of fore effect heat and moisture air can be absorbed at the same time, and therefore, energy recovery is realized and the fore effect heat and moisture air can be condensed to obtain fresh water.

The apparel is constructed from various combinations of layers of materials with moisture transfer properties. A first liner of moisture transfer fabrics abuts a second layer of structural material such as foam. The second layer can abut a breathable membrane and/or an insulating material. Finally, carefully selected outer fabrics complete the combination to provide apparel with improved performance characteristics. The outer fabrics are treated in various ways to enhance performance.

The invention relates to a finishing method for improving the hydrophilicity of a polyester fabric. Polyethylene glycol serving as a graft monomer is subjected to grafting reaction on a polyester fiber under the initiation of low temperature plasma treatment. The method comprises the following three steps of: impregnating the graft monomer, performing grafting treatment, and performing aftertreatment, wherein in the step of impregnating the graft monomer, the concentration of aqueous solution of polyethylene glycol is 5 to 30 percent, the impregnating temperature is between 20 and 30 DEG C, the impregnating time is 1 to 1.5 hours, and the bath ratio is 1:30-1:50; the grafting treatment is the low temperature plasma treatment, the irradiation atmosphere is argon, the irradiation intensity is 50 to 200W, the irradiation time is 1 to 5 minutes, and the vacuum degree is 20 to 80Pa; and the aftertreatment step comprises washing and drying. By the finishing method, the performance of the hydrophobic polyester fabric is obviously improved, the moisture absorption and moisture transfer performance of the polyester fabric is improved, and the effect that the polyester fabric is comfortable to wear and use is achieved.

The invention provides a double-layer water-adsorption and moisture-transfer non-woven fabric and a preparation method thereof. The double-layer water-adsorption and moisture-transfer non-woven fabric comprises an inner layer with moisture adsorption performance and an outer layer, wherein the inner layer with moisture adsorption performance is compounded in a hot-rolling compounding method and mainly comprises the following components in parts by weight: 10-50 parts of natural vegetable fiber, 45-80 parts of polypropylene resin granules, 1-6 parts of compatilizers, 0.5-3 parts of antioxidants and 2-10 parts of toughening filler; the fiber size of the outer layer is 0.6-0.8 denier, and a polypropylene resin fine-denier short-fiber non-woven fabric is prepared from the polypropylene resin granules. The double-layer water-adsorption and moisture-transfer non-woven fabric has the advantages of light weight, good toughness, degradability, high water-adsorption rate and good moisture transfer.

The invention discloses a one-way moisture-transferring fabric and a processing method thereof. The fabric is in a double-layer double-side mesh structure, wherein one side of the fabric which is close to the skin i.e., an internal layer uses polypropylene fibers while the other side i.e., an external layer uses terylene fibers, and the internal layer and the external layer are connected by terylene macrofibers with recesses on the surface and special-shaped cross sections. The processing method of the fabric comprises: that in the process of weaving the fabric, polypropylene fibers are selected as internal layer materials, polyester fibers are selected as external layer materials, and terylene macrofibers with recesses on the surface and special-shaped cross sections are selected as connecting material, thereby weaving the double-layer double-side mesh structured fabric whose internal layer is polypropylene fibers, external layer is terylene fibers, and the internal layer and the external layer are connected by the terylene macrofibers with recesses on the surface and special-shaped cross sections; that connection points which are evenly arranged are established between the internal and the external layers, wherein the connection points of the internal and the external layers are connected to each other through the terylene macrofibers; and that in a dyeing after-finishing process, the fabric is processed to be hydrophilic, quick-drying, and soft. The fabric in the invention is well in hygroscopic property and moisture-transferring property, and has the effects of one-way moisture transferring and quick drying.

When latent heat is transferred between the two airflows flowing along the respective sides of each partition member, not only a layer of moisture absorbent but also a layer of flame retardant lies in the direction of transfer of the moisture. Thus, even if the moisture is absorbed by the layer of moisture absorbent, the layer of flame retardant resists the moisture transfer so that the amount of transfer of the moisture decreases in that part with a drop in the moisture permeability of the partition member. To solve the problem, there is provided a total heat exchanging element comprising partition members and spacing members having moisture permeable portions provided with moisture permeability and flame resisting portions provided with flame retardancy, the both portions not overlapping with each other within each single member. For example, the partition members have the moisture permeable portions provided with moisture permeability, and the spacing members have the moisture resisting portions provided with flame retardancy.

The invention discloses a three-dimensional visualization method to process the thermal comfort of clothing. A human body-clothing thermal comfort model which is based on two nodes and multiple nodes adopts three-dimensional true human body and clothing surface mapping, mesh segmentation and cutting to constitute a true human body and clothing geometric model; a human body thermal regulation simulation model which is based on a three-dimensional finite element adopts unit surface mapping and cutting algorithm to constitute the true human body and clothing geometric model, so as to realize visualized display of a virtual reality environment. The invention is designed against the model in the visualization requirement of the human body-clothing thermal and moisture simulation, the invention realizes the visualized display of the virtual reality environment of the human body-clothing thermal and moisture transfer process and the clothing comfort by the implementation of the visualization treatment of the invention, so as to facilitate the realization of system integration and virtual reality application, and consequently obtain good visualization effect of the clothing thermal comfort simulation.

An intelligent temperature control dam, comprising a dam body, a real-time induction machine, a decision support system and a fast regulating machine, wherein the fast regulating machine comprises anindustrial control computer, a plurality of temperature compensation sources, a variable topology pipe network and a wireless base station, and the variable topology pipe network comprises a pluralityof grid multi-pass control units; The decision support system comprises an intelligent decision machine, a rule generation system, a knowledge base, a model base and a database stored on a decision support system server. The invention also provides a temperature control method of an intelligent temperature control dam. The invention grids the temperature control pipeline of the dam and introducesthe grid node, thereby improving the flexibility and pertinence of the temperature control of the dam. Moisture transfer equation and heat transfer equation are introduced to quantify the specific effect of humidity on dam temperature, which improves the accuracy of temperature control. Predicting the disadvantageous factors of dam temperature control in advance, changing the traditional passivetemperature control mode into active temperature control mode, reduces the uncertainty of dam temperature control.

The apparel is constructed from various combinations of layers of materials with moisture transfer properties. A first liner of moisture transfer fabrics abuts a second layer of structural material such as a foam. The second layer can abut a breathable membrane and/or an insulating material. Finally, carefully selected outer fabrics complete the combination to provide apparel with improved performance characteristics. The outer fabrics are treated in various ways to enhance performance.

The present invention relates to an indigo knitted cowboy moisture-absorbing undershirt cloth and its production method. It is a double-faced fabric made up by using indigo pure cotton face yarn and high moisture-transferring polyester fibre base yarn through weft-knitting process. Its surface is the indigo knitted cowboy moisture-absorbing layer formed from indigo pure cotton face yarn and its base surface is colourless moisture-transferring layer formed from high moisture-transferring polyester fibre base yarn.

The invention relates to a trapezoidal moisture-transfer knitted fabric, which comprises a multilayer body compounded from an outer layer, an inner layer and a middle layer, wherein the fabric is an air layer knitted fabric; the water repellency area in the inner layer accounts for 50-60 percent relative to the total area of the inner layer; the hydrophile area in the outer layer accounts for 90-100 percent relative to the total area of the outer layer; and the outer layer is connected with the inner layer through the middle layer. The trapezoidal moisture-transfer knitted fabric has the advantages of reasonable structure, hydrophilicity in the outer layer and water repellency in the inner layer, sweat can be quickly exhausted from the inner layer to the outer layer under the moisture transfer and transition actions of the middle layer, a small amount of moisture is kept in the inner layer, a moisture diffusion area is small, and thus, the skin is kept dry and comfortable.

The invention discloses a gas diffusion layer, a preparation method thereof and a fuel cell. The gas diffusion layer comprises a base and a conducting micropore layer arranged on at least one side surface of the base, wherein the base is porous graphite paper. According to the gas diffusion layer disclosed by the invention, the porous graphite paper is adopted as the base, pores in the porous graphite paper base form longitudinal fast channels for moisture transfer, the micropore layer provides longitudinal and transverse transfer paths, so that the whole active area is covered with moisture transfer conveniently; moreover, the gas diffusion layer disclosed by the invention has the advantages that the raw materials are easily obtained, the processing technology is simple and the cost is low; and the gas diffusion layer has preferable flexibility and preferable mechanical property.

A composite, flexible and layered system and method which performs as an adaptable protective membrane (APM). The APM controls the passage of air, liquid water, and water and changes its moisture permeability with the change of humidity on its surface. APM comprises at least two layers with or without additional surface treatments. The first layer is a matrix comprised of a non-woven fibrous material, such as building paper made from cellulose fibers, building paper saturated with asphalt, a combination of cellulose fibers and other synthetic adsorbent fibers, or synthetic polymer fibers that change the rate of water vapor transmission with the moisture content of the membrane. The second layer is a polymer including ingredients to modify its water transport ability. The second layer may be an extrusion coated, liquid applied, or a spray applied coating. The APM is a directionally sensitive membrane, i.e., the flow resistance for moisture transferred from the first layer to the second layer that is different from the flow of moisture from the second layer to the first layer.