12 results about "Cuprammonium rayon" patented technology

The invention provides a novel cellulose coated diaphragm and a preparation method thereof, and the preparation method comprises the following steps: preparing a 10wt% saturated copper ammonia solution, adding a low-cost cellulose raw material into the copper ammonia solution according to a mass ratio of 1: (8-12), and stirring for 40-60 minutes at 25-30 DEG C and 200-300 r / min to obtain a copper ammonia fiber solution; the preparation method comprises the following steps: coating the surface of a polyolefin base membrane with the coating by using an automatic coating machine to form a 1-3 [mu] m coating, immersing in a 10-20% coagulating bath, standing at 25-30 DEG C for 1-3 min, curing, washing with water until the pH is 6.8-7.2, rolling at 2-30 MPa, and drying at 60 DEG C for 60 min to obtain a finished product. The diaphragm contains the polyolefin base membrane and the cellulose coating, and is good in thermal stability, high in ionic conductivity, low in raw material cost, simple in process, biodegradable and suitable for large-scale industrial production, and the electrolyte absorption rate reaches 68%-72%.

The application discloses a targeted drug for treating glioma and a preparation method and application thereof. Alkaline copper carbonate, dopamine hydrochloride and ammonia water are mixed and dissolved, then defatted cotton is added, stirring is conducted until the defatted cotton is dissolved, and copper ammonia fiber solution is obtained by reaction at room temperature; a mixed solution of soluble copper ion salt, zinc ion salt and cobalt ion salt is prepared as a metal ion acid bath solution; the copper ammonia fiber solution is slowly injected into the metal ion acid bath solution, stirring reaction is completed, and then centrifugal separation is conducted; the obtained precipitate is added into a temozolomide solution, ultrasonic treatment is conducted under ice bath, and then centrifugal separation is conducted to obtain a precipitate; the precipitate is washed and freeze-dried to obtain polydopamine modified temozolomide adsorbed copper ammonia fiber; finally, the obtained polydopamine modified temozolomide adsorbed copper ammonia fiber is added into phosphate buffer solution containing Anti-ATRX antibody for incubation, and then washing, freeze-drying and grinding are conducted to obtain the product.

The application relates to a preparation method of an elastic film cloth and products and applications thereof, and the preparation method comprises the following steps: punching an elastic layer, and then combining the elastic layer with a skin-friendly layer through a water jet process to obtain the elastic film cloth; the material of the elastic layer is PU fiber; the pore diameter after punching is 0.5-3 mm; the material of the skin-friendly layer comprises any one or a combination of at least two of pure cotton fiber, lyocell fiber, viscose fiber, bamboo fiber or cuprammonium fiber; and the water jet process is an eight-way water jet process. The preparation method of the application does not use any glue such as an adhesive, and by controlling the reciprocal of the water jet process and the punching pore diameter of the elastic layer, the fibers of different layers can be mutually entangled and combined to form an organic whole, so that delamination is avoided.

This invention belongs to the field of textile materials technology, specifically relating to an antibacterial recycled wool blended yarn and its production process. The antibacterial recycled wool blended yarn is composed of the following raw materials in parts by weight: 35 parts recycled wool fiber, 25-33 parts LF Tencel, 15-27 parts bamboo pulp fiber or cupro fiber, 68-12 parts antibacterial nylon, and 5 parts antibacterial composite agent. The recycled wool fiber is prepared by a synergistic improved process of targeted cleaning of waste wool products with bio-enzymes and plasma etching. While retaining the natural properties of wool fiber, it also forms a surface porous structure that can combine with the antibacterial composite agent. The multi-layer structure of the blended yarn and the dynamic balance between moisture absorption and strength are achieved through Z / S double twist asynchronous spinning process, which is both environmentally friendly and commercially feasible.

The application relates to a medical ray protection patch. The patch comprises, from bottom to top, a non-stick film, a fiber film and a non-woven fabric which are sequentially stacked; the fiber film is made of any one of beta-glucan, lyocell fiber and cuprammonium fiber; fiber hairs are distributed on the surface of the fiber film; the density of the fiber hairs is 10 6 ~ 10 11 root / cm 2 ; the patch further comprises a solution; the non-woven fabric, the fiber film and the non-stick film are all soaked in the solution and are mutually adhered through the solution; the raw materials of the solution comprise superoxide dismutase, trehalose, curcumin, sorbitol, potassium sorbate and water. The technical problem to be solved is how to provide a medical ray protection patch, enable the superoxide dismutase to continuously and closely contact the skin in the form of patching, avoid the rapid evaporation of moisture, thereby prolong the action time of the effective components, and promote the penetration and continuous release of the effective components to the deep layer of the skin, so as to solve the problem of short action time of traditional sprays.

The utility model discloses a half hemp lining western-style clothes structure which comprises a western-style clothes body, a plurality of buttons are fixedly connected to the front side of the left portion of the western-style clothes body, and a plurality of openings are formed in the front side of the right portion of the western-style clothes body. The western-style clothes body comprises an outer clothes surface layer, a lining layer and an inner clothes surface layer, the lining layer is located between the outer clothes surface layer and the inner clothes surface layer, the outer clothes surface layer is made of wool, and the inner clothes surface layer is made of copper ammonia silk. A plurality of openings are formed in the lining layer, hollow air cushions are arranged on the inner sides of the two shoulders of the western-style clothes body, a hose is arranged on one side of each hollow air cushion, the multiple openings are matched with the multiple buttons respectively, and the lining layer is formed by blending jute fibers and synthetic fibers. According to the western-style clothes structure, in the actual using process, the lining layer is adopted, the whole supporting performance of the western-style clothes can be better, in addition, the adjustable hollow air cushion structures are adopted in the shoulder pad parts, the shoulder pad parts are detachable, and the whole adaptability of the shoulder pad parts is effectively improved.

The utility model discloses a nylon copper ammonia mulberry silk CoolLife Lycra cool-feeling moisture-conducting honeycomb fabric, and relates to the technical field of fabrics, the nylon copper ammonia mulberry silk CoolLife Lycra cool-feeling moisture-conducting honeycomb fabric comprises a fabric body, the fabric body adopts a honeycomb structure design, and is woven by a 34-inch 32-needle weft knitting circular knitting machine; the needle arrangement mode of a dial is ABAC, the yarn arrangement mode of the fabric is that 16 paths form a cycle, CoolLife cool sense yarns are adopted in odd paths, copper ammonia fiber blended yarns and Lycra spandex yarns are adopted in even paths, and the copper ammonia fiber blended yarns are nylon fiber / copper ammonia fiber / mulberry silk fiber blended yarns; the CoolLife cool sense yarn and the copper ammonia fiber blended yarn are adopted by the fabric, so that the fabric is endowed with excellent cool sense and moisture conductivity; the CoolLife cool feeling yarn can quickly absorb heat of the body surface, and enduring cool experience is brought; the moisture absorption and air permeability of the copper ammonia fiber blended yarn further keep the skin dry and comfortable.

The invention relates to the field of water treatment, and particularly discloses an array type 3D solar interface evaporator and a preparation method and application thereof.The evaporator comprises a heat insulation supporting plate used for floating on the water surface, a plurality of cylindrical evaporation parts used for seawater evaporation are arranged on the upper surface of the heat insulation supporting plate, and the cylindrical evaporation parts are copper ammonia fiber membranes. The array type 3D solar interface evaporator has remarkable stability, mass transfer of water can be enhanced through a porous structure built inside, a sodium chloride solution is effectively prevented from forming crystals on the surface of the evaporator, and therefore the influence of salt crystallization on the evaporation performance of the evaporator is relieved. In addition, even if the evaporator is circularly operated for 8 times in high-salt water with the concentration of 15wt.%, the stable operation effect of the evaporator can still be kept. Therefore, the prepared array type 3D solar interface evaporator can effectively inhibit salt ion crystallization in the seawater desalination process, and has wide application prospects.

The invention relates to the technical field of fabrics, in particular to a copper ammonia and flax regenerated fiber blended fabric and a preparation method thereof.The preparation method comprises the following steps that 1, copper ammonia fibers are added into an ethanol water solution of pyridyltriformic acid, a reaction, heating, continuous reaction, washing and drying are conducted, and pyridyltriformic acid treated copper ammonia fibers are obtained; (2) immersing the pyridyltriformic acid treated copper ammonia fibers into a chitosan quaternary ammonium salt solution, and standing to obtain chitosan quaternary ammonium salt treated copper ammonia fibers; (3) immersing the chitosan quaternary ammonium salt treated copper ammonia fibers into the fucoidin-loaded emulsion, reacting, washing and drying to obtain modified copper ammonia fibers; 4, the modified copper ammonia fiber serves as warp yarn, the linen regenerated fiber serves as weft yarn, the modified copper ammonia fiber and linen regenerated fiber blended fabric is obtained through interweaving. The prepared fabric is smooth and soft, and has good antibacterial property and mechanical property.

The invention relates to coconut oil protein-containing membrane cloth as well as a preparation method and application thereof. The coconut oil protein-containing membrane cloth is prepared from the following raw materials: coconut oil protein fibers, viscose fibers, lyocell fibers and copper ammonia fibers. According to the invention, the coconut oil protein fiber is introduced into the mask cloth for the first time, so that the mask cloth has the characteristics of coconut oil protein besides good fine, smooth, application and soft skin feeling, and can cater to the trend of pure and beauty makeup, and the viscose fiber, the lyocell fiber and the copper ammonia fiber are matched, so that the mask cloth has soft skin feeling and mechanical strength.

The invention relates to membrane cloth containing artemisia apiacea fibers and a preparation method and application of the membrane cloth. The membrane cloth containing the artemisia apiacea fibers is prepared from the artemisia apiacea fibers and other fibers. The other fibers comprise lyocell fibers and copper ammonia fibers. The artemisia apiacea fibers, the lyocell fibers and the copper ammonia fibers are matched for use, and the artemisia apiacea fibers are responsible for providing unique skin care effects such as soothing and anti-inflammation; the lyocell fibers amplify the use experience of the membrane cloth through high liquid absorption and high air permeability; the copper ammonia fibers are extremely attached to the skin and soft in texture, the high-end feeling and the comfort degree of the product are improved, the membrane cloth obtained after the three materials are combined can finally achieve the comprehensive advantages of being clear in effect, excellent in experience, advanced in texture and environmentally friendly, and the membrane cloth is suitable for various skin care scenes including daily moisturizing, sensitive skin stability maintaining, acne skin relieving and the like.

This application relates to the field of upper leather preparation, and specifically discloses a water-repellent and breathable shoe leather surface and its preparation method; a water-repellent and breathable shoe leather surface includes a base cloth layer, a breathable mesh layer and a water-repellent layer; the breathable mesh layer contains the following raw materials: waterborne polyurethane, hydrophobic seaweed fiber, hydrophobic cuprammonium fiber, water repellent, loaded porous zeolite, defoamer, antioxidant; its preparation method is: weigh hydrophobic seaweed fiber and hydrophobic cuprammonium fiber, mix and stir evenly to obtain a premix; weigh loaded porous zeolite and water repellent, mix and stir evenly to obtain a primary mix; mix waterborne polyurethane, premix, primary mix, defoamer, and antioxidant evenly and stir to obtain a slurry; evenly apply the slurry on the surface of the base cloth layer, then cover the side with the slurry on the surface of the water-repellent layer, and press and bond at a temperature of 60-80 °C. After the slurry dries, a breathable mesh layer is obtained, and the finished leather surface is obtained; it has the advantages of softness, comfort, good breathability and good water-repellent effect.