38results about How to "Excellent unidirectional moisture transfer performance" patented technology

The invention discloses a preparation method of a one-way wet conduction nano-fiber multilayer composite membrane with the wettability gradient. The method comprises the following steps that hydrophilic nano materials are dispersed in solvent, the nano materials are dispersed uniformly through ultrasound, a hydrophilic polymer is dissolved in the dispersing agent, a spinning solution A1 is obtained, and a hydrophilic nano-fiber membrane is deposited on a receiving base material through an electrostatic spinning method; hydrophilic nano materials are dispersed in solvent, the nano materials are dispersed uniformly through the ultrasound, a hydrophilic polymer is dissolved in the dispersing agent, and a spinning solution A2 is obtained; a hydrophobic polymer is dissolved in solvent, and a spinning solution B1 is obtained; the two spinning solutions are deposited on the hydrophilic nano-fiber membrane to form at least one diversion layer through the electrostatic spinning method; a hydrophobic polymer is dissolved in solvent, a spinning solution B2 is obtained, a hydrophobic nano-fiber membrane is deposited on the diversion layers through the electrostatic spinning method, and the one-way wet conduction nano-fiber multilayer composite membrane with the wettability gradient is obtained.

The invention relates to a one-way moisture-conducting cashmere and cashmere blended woven fabric or knitted product and a processing method thereof. A double-lateral surface structure with differenthydrophilic and hydrophobic properties is constructed at the front and reverse sides of the woven fabric product in a single-face liquid feeding way, wherein the front sides of the products are all hydrophilic sides with favorable hygroscopic property, hydrophobic areas with a hydrophobic structure are discontinuously distributed at the reverse side of the product, and the hydrophobic area occupies 20-80 percent of the total area of the lateral side. The processing method comprises the steps of preprocessing fabric, mixing printing paste and finishing agent, printing or feeding liquid at single side, drying, washing and shrinking, processing flexibly, drying again and finally ironing. The invention has the advantages of reasonably solving the contradiction between moisture absorption and moisture discharge as well as the contradiction between hydrophilic and hydrophobic of the fabric, ensuring favorable one-way moisture-conducting effect, achieving the aim of conducting sweat from oneside clinging to the skin to outside and maintaining relatively dry and comfortable efficiency at one side of the skin.

The invention relates to a processing method of one-way moisture-guiding fabric, which comprises the following basic steps of: preparing gray fabric; singeing; blanching; presetting; mercerizing; whitening/dying/printing; forming or drying; carrying out single-face finishing; carrying out hydrophilic finishing; washing with water; and forming. In the method, the single-face finishing is carried out by adopting a circular screen decorating machine or a flat screen decorating machine, and padding finishing liquor can be carried out by adopting an open-width pad dyeing machine or a boarding machine. The gray fabric of the one-way moisture-guiding fabric manufactured in the method can be formed by various common clothes fiber. Compared with other processing technology, the method for processing the one-way moisture-guiding fabric has simple requirement on fiber, yarns and fabric and is suitable for most shell fabrics. The one-way moisture-guiding fabric has obvious moisture-guiding effect, is produced stably and has good consistence of performance. When a person wears clothes made of the one-way moisture-guiding fabric in sports, sweat on the skin surface inside the clothes can be guided to the outer surface of the clothes through the shell fabric and is continuously evaporated, thereby the degree of sticking the body of the shell fabric is reduced, and the wearing comfort is effectively improved.

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 relates to one-way moisture-guiding knitted double-faced fabric and a processing method thereof, belonging to the technical field of knitted fabric. The one-way moisture-guiding knitted double-faced fabric comprises a face structure and a bottom structure, wherein the face structure is made of hydrophilic fiber and the bottom structure is made of hydrophobic fiber. The processing method comprises the following steps of: weaving; preprocessing; presetting; dyeing; and after treatment. The invention has the advantages that since the hydrophilic fiber is used for the face structure and the hydrophobic fiber is used for the bottom structure, the one-way moisture guiding effect is excellent and durable, the material of the hydrophilic fiber and the hydrophobic fiber forming the face structure and the bottom structure is wide in source and low in price so as to be conductive to reducing the cost and lead the fabric to meet the popular consumption needs; the provided processing method does not need to put grey cloth into a cylinder in the pretreatment process like the existing technology; and the whole processing method is simple in the process steps, has no demanding requirement and can guarantee that the fabric has stable one-way moisture guiding property.

The invention discloses a double-layer single-side moisture transporting fabric and an application thereof. The double-layer single-side moisture transporting fabric is formed by compounding two layers of fabric, namely an inner skin-friendly fabric layer and an outer fabric layer, wherein the inner skin-friendly fabric layer is a polypropylene fiber knitted fabric; the outer fabric layer is a modal fiber knitted fabric; the single fiber density of the inner skin-friendly fabric layer is greater than that of the outer fabric layer; the double-layer single-side moisture transporting fabric can be used for preparing an underwear fabric and a sportswear fabric. Through the design of the fabric texture structure, a double-sided isomeric knitted fabric is constructed by yarns with permanent functionality, thereby achieving single-side moisture transporting effect of the fabric.

The invention belongs to the field of functional micro-nano fiber composites, and particularly relates to an anti-ultravoilet unidirectional-moisture-permeable fiber composite and a preparing method thereof. The fiber composite comprises a polypropylene layer and a hydrophilic polymer and ultraviolet absorber mixture layer which are integrally combined. Polydopamine deposits on and adheres to thesurfaces and the interiors of the polypropylene layer and the hydrophilic polymer and ultraviolet absorber mixture layer. The preparing method includes the steps of dissolving an ultraviolet absorberand a hydrophilic polymer in an organic solvent to form a spinning solution, conducting static spinning and then hot-pressing treatment with a melt static spinning polypropylene fiber material as thereceiving substrate, and placing the material in a Tris-HCl buffer solution with dissolved dopamine for impregnation modification to prepare the anti-ultravoilet unidirectional-moisture-permeable fiber composite. The material has good unidirectional moisture-permeable and anti-ultraviolet functions and is stable in integration structure, simple in composition and structure, simple in preparing process and wide in application prospect.

The invention provides a fabric with good unidirectional moisture conductivity and a preparation method thereof. The preparation method comprises the following steps that firstly, a fabric base material is pretreated by a calcium salt solution; then fibers are formed by using a polyvinyl alcohol/sodium alginate solution through an electrostatic spinning method and deposited on a single surface ofthe fabric; a polyvinyl alcohol/calcium alginate gel layer is formed on the surface of the fabric in situ by using polyvinyl alcohol/sodium alginate; and the spinning layer is further cross-linked byusing a crosslinking agent, a cross-linked polyvinyl alcohol/calcium alginate (PVA/SA) functional layer is formed, and the unidirectional moisture-conducting fabric is obtained. By means of the treatment mode, the unidirectional moisture-conducting fabric can be obtained, and the obtained fabric has good air permeability and antistatic performance. The unidirectional moisture-conducting fabric canbe used for manufacturing clothes, outdoor jackets, masks, shoes, hats, medical supplies and the like, and the obtained product has the effects of discharging internal sweat and balancing internal and external humidity; and meanwhile, the unidirectional moisture-conducting fabric has good air permeability and antistatic performance, and the wearing comfort of the clothes can be improved.

The invention relates to a preparing method for a unidirectional wet-conduction pure cotton fabric based on nano-zinc oxide. The preparing method includes the steps that (1) nanometer ZnO powder and aphthalic-ester coupling agent are mixed, then Tween-80 is added, dispersion is conducted, and modified nanometer ZnO finishing liquid is obtained; (2) the cotton fabric is soaked into the modified nanometer ZnO finishing liquid, two times of soaking and two times of rolling are conducted, then pre-baking and baking are conducted, and the nanometer-ZnO-finished cotton fabric is obtained; (3) printing net is put on the nanometer-ZnO-finished cotton fabric, slurry is put, slurry is scraped at constant speed, then the fabric is pre-baked, baked, soaped and dried, and the unidirectional wet-conduction pure cotton fabric is obtained. According to the preparing method for the unidirectional wet-conduction pure cotton fabric based on the nano-zinc oxide, through compound function finishing, the fabric has the excellent moisture absorption and nice and cool effect, and the thermal-wet comfort requirement when people are in hot weather and strenuously exercise is met.

The invention discloses a composition for preparing coating slurry and a preparation method of a fabric. Three compositions for preparing the coating slurry are prepared according to different coating modes; the reverse side of a cotton-containing base fabric is coated through three coating techniques including a roller, mould or plain net technique, a foam coating technique and a spray coating technique, wherein the vehicle speed is 15 to 30m/min; the application amount of the coating slurry is 25 to 35 percent of the weight of the fabric; baking is performed for 1.5 to 3.5min at the baking temperature of 150 to 170 DEG C; finally hydrophilic setting is performed by adopting a setting machine, wherein the vehicle speed of the setting machine is 15 to 20m/min, and the drying temperature for setting is 150 to 170 DEG C. By adopting the fabric prepared by the technique provided by the invention, a gradient water-retaining function of the fabric in the thickness direction is realized, a siphon-like effect can be realized through the water-retaining power difference, so that a persistent one-way moisture conducting function is formed, when a human body sweats, moisture on the fabric can realize gradient transfer from inside to outside, so that the fabric is ensured to have the functions of quickness in perspiration and comfort in wearing.

The invention provides heat-conducting fabric and a preparation method thereof. The heat-conducting fabric comprises polyester surface yarn, bottom yarn and connecting yarn, wherein the bottom yarn and the connecting yarn are sheath-core structure yarn having polyester covered with nylon; the yarn specification ratio of the surface yarn to the bottom yarn is (2-4):1; and the ratio of the number ofthe surface yarn to the number of the bottom yarn is (4-8):1. According to the fabric provided by the invention, the polyester spun yarn is used as the surface yarn and accounts for 50%-75%, so thatthe distribution proportion of moisture on the surface layer can be increased, and the one-way moisture conduction effect is achieved; and the bottom yarn is the sheath-core structure yarn having polyester covered with nylon, and a nylon surface layer is used for leading out heat more quickly, so that better thermal comfort is realized. Experimental results show that the thermal conductivity of the fabric is 0.092 to 0.103; the contact cool feeling is 0.23 to 0.26; the MMT is 3-4 after the fabric is washed for 20 times.

The invention provides a one-way moisture-conducting blank-dyed fabric. The one-way moisture-conducting blank-dyed fabric is of a double-layer structure; an inner layer and an outer layer have the difference of hydrophilicity and hydrophobicity; the outer layer is a hydrophilic layer formed by hydrophilic yarn; the inner layer is a moisture conducting layer formed by hydrophobic yarn; and the outer layer and the inner layer are connected through fabric weave points. The one-way moisture-conducting blank-dyed fabric is obvious in moisture-absorbing and sweat-releasing effects, soft and comfortable in hand feeling and skin-friendly and breathable to wear, still has relatively good one-way moisture-conducting performance after being washed for multiple times, and meets the moisture-absorbing and sweat-releasing requirements of a dynamic moisture transfer method in a second part of GB/T21655.2-2019 evaluation of moisture absorption and quick drying of textiles.

The invention provides a one-way moisture-conducting fabric and a preparation method and application thereof. The one-way moisture-conducting fabric is of a double-layer structure, an outer layer and an inner layer have the difference of hydrophilicity and hydrophobicity, the outer layer is a hydrophilic layer formed by weaving yarn with moisture-absorbing and quick-drying functions, and the inner layer is a hydrophobic layer formed by weaving cotton yarn with a hydrophobic function; the outer layer and the inner layer are connected through weave points of the fabric; and the yarns with the moisture-absorbing and quick-drying functions at least adopt 20wt% of moisture-absorbing and quick-drying cotton fibers, and the cotton yarns with the hydrophobic function are 100wt% of cotton. According to the one-way moisture-conducting color spinning fabric, the natural skin-friendly characteristic of a pure cotton product is reserved in the inner layer, and a skin-friendly and comfortable sportswear fabric is provided for sportsmen loving sportswear.