71results about How to "Enhanced Far Infrared Performance" patented technology

The invention relates to the field of textile fabrics, in particular to an antibacterial and light textile fabric and a preparing method thereof. The antibacterial and light textile fabric is formed by weaving antibacterial and temperature-adjusting aerogel fibers, wherein the antibacterial and temperature-adjusting aerogel fibers are prepared by means of the steps of fusing polyester chips to prepare a polyester spinning solution, then adding modified aerogel and a negative-ion temperature-adjusting material into the spinning solution, after the materials are uniformly mixed, spraying out themixture from spinneret holes, and then conducting fiber forming, nascent fiber drafting orientation, fiber heat setting and winding. The prepared antibacterial and light textile fabric is simple in structure, reasonable in preparation of raw materials, and soft and smooth in texture, and has the function of intelligent temperature control, and the temperature in the fabric can be freely adjustedwithin a certain temperature range according to the temperature change of the outside environment; meanwhile, the antibacterial and light textile fabric also has lasting antibacterial performance andlarge application value.

The invention discloses a production method of modified polyester fiber. There are graphene sheets inside and outside the polyester fiber of the modified polyester fiber product; the polyester fiber product includes polyester fiber, polyester yarn and polyester fabric. The present invention attaches or adds graphene to the inside and outside of the polyester fiber at the same time, which increases the uniformity and firmness of the graphene; the present invention improves the electrical conductivity of the polyester fiber by adding graphene and / or biomass graphene; adding Graphene oxide and / or biomass graphene further enhances the far-infrared performance of polyester fiber; the production method provided by the invention can effectively add graphene to the inside of polyester fiber, and simultaneously coat graphene sheets on the outside of polyester fiber , the uniform distribution of graphene on the polyester fiber is achieved by impregnating the graphene solution with the polyester fiber product.

The invention relates to a modified acrylic fibre product. Graphene flakes exist in and out of acrylic fibres of the modified acrylic fibre product; the acrylic fibre product comprises acrylic fibres, acrylic yarns or acrylic fabric. According to the modified acrylic fibre product, graphene is adhered to or added into the interiors and the exteriors of the acrylic fibres simultaneously, so that the uniformity and the firmness of the existence of the graphene are improved; the electrical conductivity of the acrylic fibres is improved by adding the graphene or / and biomass graphene; the far infrared performance of the acrylic fibres is further enhanced by adding oxidized graphene and / or the biomass graphene; according to the preparation method provided by the invention, the graphene can be effectively filled into the interiors of the acrylic fibres, meanwhile, the exteriors of the acrylic fibres are coated with the graphene flakes, and uniform distribution of the graphene on the acrylic fibres is realized by soaking the acrylic fibre product with a graphene solution.

The invention discloses a natural self-heating health-care physiotherapy neck-protecting pillow. The natural self-heating health-care physiotherapy neck-protecting pillow comprises a filling pillow inner core, a pillow inner core cover and a pillow cover. The filling pillow inner core is of U shape, and the pillow inner core cover is detachably disposed outside the filling pillow inner core in a sleeved mode and is in close contact with the filling pillow inner core; The pillow cover is provided with an opening, and a zipper is arranged at the opening; the pillow cover is disposed outside the pillow inner core cover in a sleeved mode, a plurality of self-heating far infrared functional adhesive particles are distributed on the outer surface of the pillow cover which is in contact with the neck of the human body; the self-heating far infrared functional adhesive particles are made by heating and drying self-heating far infrared functional adhesive pastes; the self-heating far infrared functional adhesive pastes contain 5-40 % of raw ore slurry, 0.01-10% of far infrared functional additives, 50-80% adhesives and 0.1-5% of dispersant. The natural self-heating health-care physiotherapy neck-protecting pillow has better self-heating effect and far-infrared effect, and is more ideal for patients with cervical spondylosis.

The invention belongs to the technical field of preparation of multifunctional materials and relates to a preparation method of multifunctional graphene regenerated cellulose fibers. The technological process comprises three steps of mixing, spinning and reducing, specifically, a multi-layer graphene dispersing solution and a regenerated cellulose fiber solution are mixed, a mixed solution is subjected to molding with a viscous wet spinning technology and subjected to reduction, and the multifunctional graphene regenerated cellulose fibers are obtained; the multifunctional graphene regenerated cellulose fibers utilize regenerated cellulose fibers as carriers, have good moisture absorption, breathability, soft hand feeling and dyeing property and further have the characteristics such as superhigh strength, antistatic property, far infrared performance, antibacterial property, instant deodorization performance and anionic property of graphene, electrical conductivity and thermal property of the fibers are improved when compared with those of conventional regenerated cellulose fibers, and the antibacterial property, the far infrared performance and the anionic function of the fibers are increased; the production technology of the fibers is simple, easy to operate, low in batch production cost, high in preparation efficiency and yield, environment-friendly and energy-saving and can be applied to the fields of textiles, clothing, woven goods and the like.

The invention discloses a preparation method of a graphene / polyacrylonitrile spinning solution suitable for industrial production. According to the method, a conventional two-step process, including aqueous suspension polymerization and polyacrylonitrile resin dissolution in an inorganic solvent, is adopted, special equipment is not added, polyacrylonitrile filter cake dilution water in an original spinning process is switched into a stably dispersed graphene aqueous solution, graphene is uniformly dispersed in polyacrylonitrile slurry, then the slurry is mixed with NaSCN, and the graphene / polyacrylonitrile spinning solution is obtained through stirring and high shearing. The spinning solution prepared by the adoption of the method has good spinnability, and the graphene can be dispersed uniformly and stably in the spinning solution for 48 hours or above. Compared with pure polyacrylonitrile fibers, the specific resistance of graphene / polyacrylonitrile fibers prepared by the adoption of the spinning solution is increased by 3-5 orders of magnitudes, and strength is improved by 20% or above.

The invention discloses a far infrared radiation carbon fiber electric-thermal composite fabric and a preparation method thereof. The composite fabric comprises a far infrared radiation carbon fiber fabric arranged between two layers of flexible fabric matrixes; and an electrode plate is arranged in the far infrared radiation carbon fiber fabric. The preparation method comprises the following steps: pretreating the carbon fiber fabric to obtain a desized carbon fiber fabric; dipping the carbon fiber fabric in a dopamine solution to obtain a dopamine biomimetic modified carbon fiber fabric; spraying far infrared slurry on the dopamine biomimetic modified carbon fiber fabric to obtain a far infrared radiation carbon fiber fabric; and compounding all the layers to obtain the far infrared radiation carbon fiber electric-thermal composite fabric. The composite fabric prepared by the invention not only ensures the electric-thermal stability and heating uniformity of the fabric, but also hasgood far-infrared radiation performance, and can realize the application of the electric-thermal fabric in the fields of human body clothing, intelligent wearable articles, cold-proof thermal insulation materials, greenhouse heat sources and the like.

The invention relates to a graphene-modified polyamide-6 masterbatch material. In the masterbatch material, a macromolecular chain of at least one polyamide-6 grows on a graphene lamella. A preparation method comprises the steps: adding functionalized graphene into hydrolysates obtained in a loop opening process and / or a polymerization process of caprolactam. A polyamide-6 macromolecular chain isgrafted on the graphene lamella, so that the dispersion problem of the graphene is effectively solved, and the polyamide-6 material with the uniformly-dispersed graphene is obtained; because the graphene lamella and the macromolecular chain of the polyamide-6 are connected through chemical bonds, in a preparation way process, the material has the advantages of good spinning performance and difficulty in breaking; through introduction and uniform distribution of the graphene, the far infrared performance and the antibacterial performance of the polyamide-6 material are improved.

The invention relates to graphene modified color paste. The graphene modified color paste is prepared from, by weight, 0.1-5% of graphene, 15-55% of carbon black, 2-25% of functional aids, 2-20% of a dispersing agent and the balance a solvent. By adding the specific amount of graphene into the color paste containing the specific amount of carbon black, the carbon block is attached to the surface of the graphene, dispersion of graphene can be facilitated because of the binding force between the carbon black and the graphene, and the defect that the graphene is not uniform in dispersion after being added into spinning liquid. Besides, the binding force between the specific amount of graphene and the specific amount of carbon black disappears in the spinning process, the functions of graphene in obtained textiles are give play to, and the textiles have the characteristics, such as excellent far infrared performance, bacteria resistance and the bacteriostasis and ultraviolet resistance, of graphene.

The invention relates to a carbon fiber electrothermal element, which comprises a radiating layer at the lowest layer and also comprises a carbon fiber layer, a solidifying layer, a heat insulating layer and an outer housing arranged on the upper layer in sequence. The radiating layer is made of quartz glass or ceramic cloth. The solidifying layer adopts a curing agent resistant to a temperature up to 1200 DEG C and is mainly composed of a soluble adhesive, wherein ceramic fiber cloth or ceramic cellosilk prepared by ceramics containing silicon and zirconium components is distributed among the soluble adhesive. The strength and the anti-sheering force of the carbon fiber layer of the carbon fiber electrothermal element are enhanced, the surface becomes hard and durable as ceramics, the service life is prolonged, the solidifying layer contains ceramic fiber wires or ceramic fiber cloth which can further enhance the strength of carbon fiber electrothermal element, and in addition, the ceramics contains chemical elements, such as silicon, zirconium, and the like, and can further enhance the far infrared effect.