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

The present invention provides a carbon-nanostructure-containing compound comprising graphene, amorphous carbon and a non-carbon non-oxygen element, and the non-carbon non-oxygen element accounts for 0.5wt%-6wt% of the compound. Through controlling of content of the non-carbon non-oxygen element in the carbon-nanostructure-containing compound, excellent far infrared effect and antibacterial bacteriostat effect can be obtained, far-infrared property normal emittance can reach 0.85 or more, and the bacteriostasis rate can reach more than 95%. At the same time, the carbon-nanostructure-containing compound can be used in a high-molecular material in a lower amount for modifying of the high-molecular material without pre-modification and activation for achievement of significant far-infrared and antibacterial bactericidal properties.

The present invention relates to a carbon nanostructure composite, the composite comprises carbon element and a first non-carbon and non-oxygen element material, the first non-carbon and non-oxygen element material is any one or a combination of at least two of first non-carbon and non-oxygen elements and compounds, and peak height ratio of carbon element G peak to carbon element D peak in a Raman spectrum of the composite is 1 to 20, the first non-carbon and non-oxygen elements in the composite are P, Si, Ca, Al and Na, the mass percentage of the first non-carbon and non-oxygen elements is 0.5-4wt%, and the far-infrared detection normal emittance of the composite is greater than 0.85. The composite has far infrared performance and antibacterial bacteriostat properties more obvious than that of the prior art, the composite is simple in preparation method and operation, some non-carbon and non-oxygen elements are retained by control of temperature-programmed stepping temperature and insulation temperature, and more excellent far infrared effect and antibacterial bacteriostat effect can be obtained.

The invention relates to composite polyurethane foam containing graphene. The polyurethane foam contains a graphene structure and non-carbon non-oxygen non-hydrogen elements. According to the invention, a specific carbon nanostructured compound is selected and used, so compounding of p-polyurethane is realized through simple mixing of the specific carbon nanostructured compound with polyether polyol and polymerization of the obtained mixture with polyisocyanate; so the step of compounding of the carbon nanostructured compound is omitted, process is simple, and seamless linkage with conventional equipment is realized.

The invention relates to a preparation method of composite fiber. The preparation method comprises the following steps: immersing nascent fiber in graphene substance dispersing solution and then cooling and drying to obtain composite fiber, wherein the range of immersing temperature is at high-elastic-state temperature of the nascent fiber material. By immersing nascent fiber into graphene substance dispersing solution at the high-elastic-state temperature, the compounding of the graphene substances inside and outside the fiber can be realized, and the evenness and firmness of the graphene substances in the fiber can be increased; the conductivity of the fiber can be enhanced by adding graphene and/or biomass graphene; the far infrared performance of the fiber can be further strengthened by adding graphene oxide and/and biomass graphene; and the graphene substances can be effectively added inside the fiber by adopting the preparation method, and the fiber is externally cladded with the graphene substances.

The invention relates to a modified fiber product. The modified fiber product contains modified fiber, wherein graphene substances are contained inside the modified fiber, and graphene substances are also contained outside the modified fiber. A method comprises the following steps: immersing the non-modified fiber product into a graphene substance dispersing solution, and then cooling and drying to obtain the modified fiber product, wherein the range of the immersing temperature is at high-elastic-state temperature of a fiber material in the non-modified fiber product. Graphene are adhered or filled inside and outside the fiber, so that the evenness of the graphene can be increased, and the conductivity of the fiber can be improved; and by using the preparation method, the graphene can be effectively filled inside the fiber, and the fiber is externally cladded with graphene substances, so that the even distribution of graphene in the fiber can be realized.

The invention relates to yarn made by blending fiber having anions and a far-infrared function and hemp-cotton fiber. The yarn is prepared by blending the composite fiber having the anions and the far-infrared function and the hemp-cotton fiber. A preparation method of the composite fiber having the anions and the far-infrared function comprises the following steps: 1) preparing mixed fiber; 2) preparing anion and far-infrared functional nano slurry; 3) preparing anion and far-infrared functional composite fiber. The yarn provided by the invention is prepared by blending the fiber having the anions and the far-infrared function and the hemp-cotton fiber; because the yarn contains the hemp fiber, the anions and a far-infrared additive, the product has the characteristics of a good far-infrared effect, an anion health function, a good natural antibacterial property, a good uvioresistant function and the like; when people wear clothes made of the yarn, anions can be continuously excited to human bodies, then the human bodies can be always full of energy, and requirements of people on high-class textiles can be met.

The invention relates to a preparation method of regenerated cellulose fiber with the surface being coated with graphene oxide. A coating mother solution is prepared by mixing regenerated cellulose, urea, NaOH and water, regenerated cellulose fiber is subjected to same-substrate coating, and thus the problem that in the process that fiber is coated with graphene oxide, graphene oxide is prone to being peeled off to affect the property of complex fiber due to the cohesiveness of different-substrate coating is poor is solved. In addition, because the regenerated cellulose can easily dissolve inthe urea and water solution of NaOH, a certain degree of etching is conducted on fiber by controlling the coating time, a rough surface is formed on the surface of fiber, the regenerated cellulose inthe mother solution can form a very strong hydrogen bond with a fiber substrate, and the cohesiveness of the coating mother solution and fiber is further enhanced through the two effects. Multi-functionalized graphene oxide is prepared to coat the regenerated cellulose fiber, the regenerated cellulose fiber is endowed with an excellent anti-static property, an excellent mechanical property, and properties such as sterilization, ultraviolet resistance and far infrared resistance.

The invention belong to the technical field of preparation of multifunctional materials and relates to a preparation method of self-cleaning multifunctional graphene sponge. A technological process comprises three steps of preparation, mixing and foaming. Graphene, a photocatalyst, a flame retardant, an adhesive and a foaming aid are weighed according to set requirements, mixed with polyurethane and subjected to reaction crosslinking, and the sponge is prepared on the basis of polyurethane as a carrier with a one-step box foaming technology; the sponge has good absorption and ventilation properties, feels soft, and also has characteristics of ultrahigh strength, antistatic property, far infrared property, bacteria resistance, instantaneous deodorization property, negative ion property and the like of graphene; compared with traditional sponge, the graphene sponge has the advantages that electrical conductive and thermal properties are improved, functions of bacteria resistance, far infrared, negative ion and instant deodorization are added; the preparation process of the graphene sponge is simple, preparation efficiency and yield are high, environment-friendliness and energy conservation are achieved, and the graphene sponge can be widely applied to household products such as women's lingerie, shoes, seats of maglev trains, high-speed trains and high-grade automobiles, high-grade sofas, mattresses and the like.

The invention discloses a natural self-heating health-care physiotherapeutic kneepad, comprising a kneepad body fitting a human body knee area; a first layer of the kneepad body and a third layer, fitting the human body knee area, of the kneepad body are of spandex stretch mesh, a second layer of the kneepad body is a stretch cotton cloth layer, the kneepad body is provided with a shell having a cavity and fitting the human body knee in shape, a cushion is arranged in the cavity of the shell, the outer surface of the cushion fitting the human body knee and the outer surface of the third layer are provided with a plurality of self-heating far-infrared functional adhesive particles, the self-heating far-infrared functional adhesive particles are made by heating and drying self-heating far-infrared functional adhesive slurry, and the self-heating far-infrared functional adhesive slurry comprises raw ore slurry, a far-infrared functional aid, an adhesive and a dispersant. The natural self-heating health-care physiotherapeutic kneepad and the production method thereof have the advantages that the kneepad is capable of improving human body microcirculation and promoting human body blood circulation, and the kneepad is significantly effective in easing pain, dispelling cold and relieving knee pain.

The invention belongs to the technical field of a textile material, and particularly relates to modified polyester fiber and a preparation method thereof. The polyester fiber is prepared from the following materials in percentage by weight: 90 to 95% of polyester chips and 5 to 10% of far infrared anion nano functional slurry, wherein the far infrared anion nano functional slurry is prepared from the following materials in parts by mass: 5 to 15 parts of nano titania, 5 to 15 parts of nano zinc oxide, 20 to 30 parts of ethyl alcohol, 20 to 35 parts of far infrared ceramic powder, 20 to 35 parts of tourmaline powder and 10 to 20 parts of hydroxymethyl cellulose ether. The modified polyester fibers prepared by the formula and the preparation method which are provided by the invention are developed for meeting the requirement of people for high-end textures; the obtained polyester fiber has functions of good far infrared effect, anion physiotherapy, excellent antibacterial property, heat insulation, ultraviolet resistance and the like.

The invention relates to a modified polyamide fiber product. Graphene sheet layers are arranged inside and outside polyamide fiber of the modified polyamide fiber product, and the polyamide fiber product comprises polyamide fiber, polyamide yarn and polyamide fabric. Graphene is attached or filled both inside and outside the polyamide fiber, so that uniformity and firmness of the graphene are improved; by adding graphene and/or biomass graphene, conductive performance of the polyamide fiber is improved; by adding oxidized graphene and/or biomass graphene, far infrared performance of the polyamide fiber is further improved. By the preparation method, the graphene can be effectively filled into the inside of the polyamide fiber, the outside of the polyamide fiber is coated with the graphene sheet layer, and uniform distribution the graphene on the polyamide fiber is realized by soaking the polyamide fiber product in a graphene solution.

The invention relates to a post treatment method of a fiber product. The post treatment method of the fiber product comprises the following steps: (A1) impregnating the fiber product with first graphene type substance dispersion, taking out, then heating to the high-elastic state temperature of a fiber material, and carrying out primary compound treatment at a constant post-treatment temperature, wherein the particle size of graphene type substances in the first graphene type substance dispersion is less than 1mu m; and (A2) impregnating the fiber product subjected to the primary compound treatment into second graphene type substance dispersion, taking out, then heating to a second post treatment temperature, carrying out secondary compound treatment at a constant temperature, then cooling, and drying, so that a composite fiber product is obtained, wherein the particle size of graphene type substances in the second graphene type substance dispersion is 1-20mu m. The post treatment method provided by the invention has the advantages that adhesion firmness of the graphene type substances on fibers is improved; meanwhile, from the viewpoint of radial direction of the fibers, more graphene type substances with small particle size are distributed inside, and distribution uniformity of the graphene type substances in the radial direction of the fibers is improved.

The invention relates to an antistatic antibacterial far-infrared moisture-absorbing and quick-drying down fabric manufacturing method, wherein the down fabric comprises a fabric body, the fabric bodycomprises a surface layer, an inner layer and a down layer, and further comprises a windproof heat locking layer, the surface layer and the windproof heat locking layer are integrally sewn by suturesto form an accommodating channel for filling down, down is filled into the accommodating channel to form the down layer, the windproof heat locking layer comprises a separation cotton lining layer, asilk-like cotton layer and a lining cloth layer, the separation cotton lining layer, the silk-like cotton layer and the lining cloth layer are integrally compounded, the silk-like cotton layer is sandwiched between the separation cotton lining layer and the lining cloth layer, the lining cloth layer is attached to the inner layer, the weight of the silk-like cotton is 40-80 g, the surface layer and/or the inner layer are formed by interweaving with yarns, the yarns are graphene oxide polyester yarns, and the graphene oxide polyester yarn comprises 1-5% by mass of graphene oxide and 90-95% bymass of polyester. According to the present invention, the product has advantages of antistatic property, antibacterial property, far infrared property, moisture absorption, quick drying, low cost andgood warm keeping effect.

The invention provides a high-performance alkenyl magnesium alloy material which mainly comprises the following components in percentage by mass: 5-8% of graphene substances, 1-2% of Co, 1-2% of Y, 4-7% of Al, 1-3% of Mn, 0.2-0.8% of Li, 0.2-1.0% of Zr, 0.1-0.5% of Ca, 0.1-0.5% of Zn, 0.2-1.0% of Cd, 0.3-0.7% of Yb, 0.3-0.7% of Ni, 0.1-1% of Sb, 0.1-1% of Mo and the balance Mg. A preparation method for the high-performance alkenyl magnesium alloy material comprises the following steps of: pre-heating pure magnesium metal, smelting the pure magnesium metal and other raw materials containing metal elements under protection of inert gases, and preserving the temperature after smelting; and increasing the temperature after preserving the temperature, adding graphene substance raw materials, standing after uniformly stirring, and filtering to obtain a crude magnesium alloy liquid. The alkenyl magnesium alloy material provided by the invention has relatively excellent performance indexes such as heat resistance, strength and hardness.

The invention relates to the field of modification of synthetic fibers, in particular to a preparation method of a modified polyester chip. Nano-tourmaline is modified with a vinyl silane coupling agent and then subjected to a thiol-ene click chemistry reaction with 3-mercapto-1,2-propanediol, modified nano-tourmaline modified with polyhydroxyl on surface is prepared and added to purified terephthalic acid and ethylene glycol for condensation polymerization, and the modified polyester chip is obtained. Fabric woven from fibers obtained from the modified polyester chip by spinning has long-acting negative oxygen ion producing and far infrared effects, can purify the environment and brings health care and physiotherapeutic effects to human bodies.

The invention discloses ceramic digital glaze ink with sterilization and far infrared composite functions and a preparation method thereof. The ceramic digital glaze ink comprises the following components in percentage by mass: 30-60% of digital glaze powder, wherein the digital glaze powder is prepared from the following raw materials in percentage by mass: 30-70 percent of Ulan tea spar, less than 35 percent of high-temperature ceramic frit and less than 65 percent of low-temperature ceramic frit. By introducing the specific content of the Ulan tea spar and the ceramic frit in a proper proportion into the ceramic digital glaze ink, the obtained ceramic digital glaze ink not only has excellent far-infrared performance and antibacterial performance, but also can be applied to the surfaces of various types of ceramic green bricks, so that the production cost is greatly reduced, the application range of the ceramic digital glaze ink product is widened, popularization and application of the ceramic digital glaze ink with the far infrared and antibacterial composite functions are facilitated, and the ceramic digital glaze ink has very high practical value and application prospects.

The invention discloses a graphene hat comprising a cap and a brim. The graphene has is characterized in that the cap is made of graphene fiber. There is a huge consumption market of hats and fashion is the vane of consumption. With the improvement of people's living standards, the role of hats is no longer what it was before; hats have become a mark of the love of beauty and fashion with the increase of consumption level and consumption taste. Therefore, if graphene is fit in the consumption trend, it will definitely promote the domestic demand of the industry of fashion hats just like graphene underwear does and therefore diverse development of graphene industry is promoted. In looking for a way out for the practicality of graphene difficultly through realizing popularization of the price of graphene by means of high-technology means, hundreds of millions of women can help. The graphene hat has lasting and unchangeable appearance and qualitative sense; the hat can be washed and dried at high or supper high temperature. The graphene hat has potential elements such as fashion and luxury which are highly sought after.

The invention provides an inorganic non-metal far-infrared graphite resistive film, which is prepared by using a base material and a liquid medium. The base material is composed of the following raw materials, by weight: 150-300 parts of graphite powder, 90-180 parts of ultrafine mica powder, 60-120 parts of far-infrared ceramic powder, 300-500 parts of bismuth oxide, 250-350 parts of zinc oxide, 100-150 parts of antimonous oxide, 180-250 parts of boric acid, 50-100 parts of aluminum oxide, 70-120 parts of strontium carbonate, 30-70 parts of magnesium oxide, 25-70 parts of quartz sand and 50-120 parts of lithium carbonate, wherein the far-infrared ceramic powder contains nano titanium oxide.

The application discloses a single-sided transmission graphene film. The single-sided transmission graphene film comprises a body, wherein the body comprises a first substrate layer, a second substrate layer, a heating layer and a reflective layer; the heating layer is arranged between the first substrate layer and the second substrate layer; the reflective layer is arranged on one side, deviatingfrom the heating layer, of the second substrate layer and is used for reflecting far infrared light emitted by the heating layer after electrifying. According to the application, the technical problem that the graphene film has no function of reflecting far infrared light and needs additional far infrared reflector in the actual application of a product, so that the thickness of the film is increased is solved.

The invention provides a composite down material and a preparation method and application thereof. The composite down material includes down and graphene-modified short fibers uniformly dispersed in the down. The provided composite down material has great antibacterial performance, far-infrared performance and anti-static performance; meanwhile, the graphene-modified short fibers and the down canbe supported by each other, more air storage space is provided, and therefore the composite down material has heat preservation performance. Moreover, down is likely to generate static electricity because of mutual friction and thus agglomerate together, and the graphene-modified short fibers contain graphene, have an antistatic function and can counteract the static electricity generated by the friction of the down to alleviate the agglomeration problem.