666results about How to "Good moisture absorption and air permeability" patented technology

The invention discloses a method for modification, dyeing and multifunctional composite finishing of aramid fiber, and belongs to the technical field of textile chemical industry. Through surface physical and chemical modification for the aramid fiber, the method improves the physical and chemical states of the aramid fiber surface and is favorable for the dyeing and after finishing of the aramid fiber. The specific process flow comprises the following steps of cleaning before the dyeing of the aramid fiber, pretreatment of the aramid fiber, dyeing of the aramid fiber, and multifunctional composite finishing of the aramid fiber. Not only the dyeing property of the aramid fiber treated by the method is remarkably improved, but also the dyeing fastness is good, the aramid fiber has good moisture permeability particularly, and simultaneously the aramid fiber is endued with good anti-ultraviolet ageing function. Moreover, the aramid fiber is subjected to composite finishing by adopting a nano composite sol, and the method has wide applicability, simple process, relatively low treatment cost, and low requirements on the applied technology and equipment.

The invention discloses an flame retardant non-woven cotton fabric, comprising anti-fcell flame retardant fiber and washing/washing composite hot melting short fiber, wherein, the weight percentage of the anti-fcell flame retardant fiber is between 70 and 90 percent, the balance is the washing/washing composite hot melting short fiber; the two fibers are stuck into an integrated whole by the hot wind heating and/or are penetrated together by prickling fibers to combine into the non-woven fabric. The method for producing the non-woven cotton fabric comprises the processes of mixing, opening, carding, mesh placing, moulding processing, etc. The moulding processing method has the needle point method and the through-air method. The flame retardant non-woven cotton fabric adopts the prescription of mainly taking the anti-fcell flame retardant fiber and solves the problems of the flammability of the terylene, dropping of the fusion and the flammability of the viscose. The washing/washing composite hot melting short fiber is added to increase the caking coefficient so that the fibers are conglutinated evenly. The unique processing flow ensures that the inflaming retarding non-woven cotton fabric has high tension intensity and anti-breakage intensity as well as certain elasticity and bulkiness.

The invention discloses a preparation method of a nano-silver alginate fiber. The preparation method comprises the following steps of: preparing an alginic acid silver complex which is a precursor of nano-silver by using algal polysaccharides and soluble silver salts, and then preparing a sodium alginate based nano-silver colloid system through a chemical reduction method; then adding fiber-grade sodium alginate into the sodium alginate based nano-silver colloid system to obtain a nano-silver algae spinning solution; and finally, obtaining a nano-silver algae primary fiber through wet spinning, and carrying out stretching, sizing, drying and oiling treatments to obtain the nano-silver alginate fiber. The prepared nano-silver alginate fiber integrates the excellent performances of the nano-silver and the alginate fiber, so that the novel fiber has excellent flame retardance, biocompatibility, moisture absorption permeability and the like, also has excellent antimicrobial performance, antistatic performance and irradiation resistance and can be widely used in medical treatment, the fire-fighting field, the military field, the aerospace field, the health textile field and the like.

The invention relates to a flame retardant blended yarn and a production method thereof. According to weight percentage, the flame retardant blended yarn is formed by the following components through blending: 25-30% of flame retardant polyester filament yarns, 20-25% of flame retardant acrylic fibers, 20-30% of hemp fibers and 20-30% of cotton fibers. The production method includes: making hemp fibers and cotton fibers into card slivers respectively and tearing the card slivers into loose fibers, and making the card slivers into hemp/cotton blended combed silvers through second blowing carding in a single fiber type mixing way; making the flame retardant acrylic fibers into flame retardant acrylic card silvers; producing blended rough yarns by use of the hemp/cotton blended combed silvers and the flame retardant acrylic card silvers; producing flame retardant blended yarns by use of spun yarns in a core spun mode; producing the needed flame retardant blended yarns after plasma preprocessing and yarn flame retardant finishing. According to the flame retardant blended yarn and the production method thereof, the hemp fibers, the cotton fibers and two flame retardant fibers are selected for blending, and accordingly the produced yarns have excellent flame retardant performance as well as good antibacterial, moisture absorptive and ventilate wearing performances; the spun yarns are in the core spun mode so the tare effect is eliminated and the flame retardance is improved.

The invention relates to a porous superfine polyamide 6 fully-drawn yarn, a preparation method thereof, and equipment thereof. According to the invention, existing FDY production equipment is adopted. A raw material polyamide 6 is sliced and dried; an additive is added on line; the material is subject to screw extrusion and melt extrusion; the material is then cured with a gradually cooling manner and a circular air blow cooling manner; with a reasonably selected spinning temperature of 259-262 DEG C, an air temperature in the circular air blowing process of 19-23 DEG C, a humidity of 85-95%, an air velocity of 0.35-0.45m/s, an oiling and clustering position of 700-800mm, and a winding speed of 4100-4600m/min, the porous superfine polyamide 6 fully-drawn yarn product with a specification of 55dtex/144f-75dtex/144f is prepared. Flexible operation is adopted in the preparation method. The preparation method is advantaged in simple technology and low production cost. The product is advantaged in stable performance, good yarn evenness, and good coloration property.

The invention discloses a method for preparing a peanut protein composite fiber by using ionic liquid. The method comprises the following steps of: dissolving peanut protein and polyvinyl alcohol in imidazole ionic liquid respectively to obtain a peanut protein ionic liquid solution and a polyvinyl alcohol ionic liquid solution; mixing the peanut protein ionic liquid solution and the polyvinyl alcohol ionic liquid solution in a mixed ratio of 1:3-1:5; adding an aid to obtain a spinning solution, and entering a coagulating bath; preparing a peanut protein/polyvinyl alcohol composite fiber by awet spinning method in the coagulating bath; and stretching, washing, performing acetal treatment, applying oil, drying, curling, sizing, and thus obtaining the mixed fiber. By the method, the ionic liquid instead of strong acid and strong alkali is used as a solvent in the process of synthesizing a peanut protein fiber, so that the peanut protein and the polyvinyl alcohol can be quickly dissolved at high concentration and a low temperature, and the preparation process is non-toxic and pollution-free at the same time.

The invention relates to a nice and cool purified cotton yarn dyed fabric manufacturing process. The structure of a nice and cool purified cotton yarn dyed fabric comprises 1/1 plain weave, 1/1 plain back plus through holes, 1/1 plain back plus 3/1 twill weave or 2/2 basket weave, and the specification of the nice and cool purified cotton yarn dyed fabric comprises that yarn counts range from 35s to 70s, warp density ranges from 110 to 190 per inch, and weft density ranges from 58 to 110 per inch. The nice and cool purified cotton yarn dyed fabric manufacturing process is characterized by sequentially comprising the following processing steps of spinning, yarn setting, yarn dyeing, warping, slashing, weaving, singeing, desizing, mercerizing, liquid ammonium processing, noniron finishing, tentering, preshrinking and finished product obtaining, or spinning, yarn setting, yarn dyeing, warping, slashing, weaving, singeing, desizing, mercerizing, liquid ammonium processing, tentering, preshrinking and finished product obtaining. A finished product fabric processed through the nice and cool purified cotton yarn dyed fabric manufacturing process has a soft hand feel, no special auxiliary which feels cool is added in the production process, the contact area between yarn and the skin is reduced, gaps between the yarn are enlarged, the superficial area for moisture and heat dissipation is enlarged, moisture absorption and air permeability are more than doubled, and therefore a wearer can feel quite cool in summer.

The invention relates to a controllable multiple-differential-shrinkage composition fiber made from a copolyester melt through ultra-fast direct spinning, and a preparation method of the composition fiber. The copolyester melt, which is made from five components including terephthalic acid, ethylene glycol, poly ethylene glycol, diethylene glycol and pentaerythritol, is pressurized by a booster pump and transported through a melt pipeline into a spinning box body, and is then divided by two measuring pumps into two branches, which enter a spinning component and a spinneret respectively and finally be extruded. After cooling and curing, two yarns are formed, wherein one yarn is subject to oiling by an oil wheel, pre-entwining, stretching and thermoforming to obtain an FDY yarn, and the other yarn is subject to oiling by an oil nozzle, and is guided to two spinning discs to obtain a POY yarn; the two yarns are simultaneously input into a doubling device and a main entwining device for combination, and are formed through the ultra-fast rolling, so as to obtain the composition fiber. The composition fiber has the characteristics of relatively good micro three-dimensional morphological structure, moisture absorption property, moisture preservation property, air permeability and antistatic property, easiness in dyeing, uniform dyeing, high coloration uniformity and the like; the composition fiber is high in processing speed, high in yield, low in consumption, low in manufacturing cost, high in value added, high in product functions, good in quality, and obvious in advantage of performance price ratio.

The invention relates to a manufacturing method for a jute natural antibacterial floor towel, blending jute and cotton, adequately utilizing the characteristics of the jute such as excellent moisture absorption and moisture wicking, high strength and tensile stretch and good antibacterial and bacteriostatic capability. Jute fibre is humidified before spinning, and the humidified percentage reaches 12-15 percent; the mixture ratio of jute and cotton is 20-50 percent/50-80 percent during spinning, the relative humidity of spinning environment reaches 83-86 percent, and the relative humidity of textile environment reaches above 85 percent; in order to make up strength and fix short fiber, the sizing ratio is adjusted below 1 percent, and softening treatment and flexible treatment are performed. The manufacturing method for the jute natural antibacterial floor towel changes the jute performance that jute can not be woven, and has the advantages of anti-bacteria, anti-corrosion, anti-wrinkle, moisture absorption, ventilation, flatness and flexibility, good slip resistant and so on.

The invention discloses a medical operation towel and a preparing method thereof. The medical operation towel comprises two layers of spunlace non-woven fabrics which are laminated together. The spunlace non-woven fabrics are composite spunlace non-woven fabrics. Each spunlace non-woven fabric comprises a base material layer, wherein a plant fiber layer is arranged on the surface of the base material layer. The preparing method comprises the following steps of choosing synthetic fibers as the base material layer to manufacture the non-woven fabrics, adding plant fibers on the non-woven fabrics in a spunlace method to manufacture the composite spunlace non-woven fabrics, and choosing and laminating the two composite spunlace non-woven fabrics in a spunlace method or a high-frequency composite method to obtain the medical operation towel. The medical operation towel has the advantages of being good in skin tolerance, high in strength, good in moisture absorption and breathability and soft in touch. The medical operation towel has the advantages of non-woven fabrics and the advantages of cotton fiber products. Furthermore, the preparing method of the medical operation towel greatly reduces production cost.

The invention relates to a one-step polylactic acid spun-laid spunlace non-woven fabric and a manufacturing method of the non-woven fabric. The non-woven fabric is prepared from polylactic acid filaments, and the fiber number is in a range of 1-4dtex; the component of the non-woven fabric is crystalline polylactic acid, which has a molecular weight of above 150,000, a melting point of 160-180 DEG C and a glass transition temperature of about 60 DEG C, and is prepared by polymerizing maize starch. The manufacturing method of the non-woven fabric comprises the following steps of: 1, preparing a polylactic acid spun melt, namely, fermenting the maize starch to prepare the polylactic acid, preparing a polylactic acid prepolymer by controlling polymerization conditions with polylactic acid, and preparing the polylactic acid spun melt with a molecular weight of above 150,000 through continuous melt polycondensation by utilizing a double screw; and 2, preparing a polylactic acid spun-bonded spunlace non-woven fabric, namely, spinning the spun melt by a spinning assembly, cooling and drafting by air current, separating and laying, fixing nets by utilizing the spunlace technology, and drying to obtain the polylactic acid spun-laid spunlace non-woven fabric. The polylactic acid spun-laid spunlace non-woven fabric is high in intensity and has the characteristics of good softness, skin affinity, moisture permeability and biodegradability.

The invention discloses a composite health care pad, which comprises a middle layer, wherein an upper surface layer and a lower surface layer are respectively arranged on the upper surface and the lower surface of the middle layer, a layer of blocking layer is respectively arranged between the middle layer and the upper surface layer and/or between the middle layer and the lower surface layer. The upper surface layer and the lower surface layer are non-woven layers containing 5%-50% low-melting-point fibers, and the middle layer is a non-woven layer containing the following components: fibrilia and 5%-50% of low-melting-point fibers. The blocking layers are non-woven layers containing 5%-100% of fibrilia, and the content of fibrilia in the composite health care pad ranges from 5% to 65%. The invention further discloses a manufacture method of the composite health care pad, which includes the following steps: respectively manufacturing the middle layer, the upper surface layer, the lower surface layer and the blocking layers, sequentially overlaying all the layers, and carrying out procedures including drying in a drying oven, cold rolling, cooling, cutting, inspection and packing. The composite health care pad and the manufacture method thereof solve the problems that the existing mattress can become damp and mildewed easily, can be damaged by worms, is apt to be layered, and is poor in ventilation and inconvenient to use caused by the fact that hard fibers in the middle of the mattress prick out.

The invention relates to a talcum powder comprising extracts of natural plant, wherein the raw materials include plant starch, vegetable fat and other natural plant compositions in replacement of minerals such as talcum powder, porcelain clay, calcium carbonate and magnesium carbonate, as a result, stimulation to human body will be avoided.