Abstract: The present invention relates to a composite having a carbon nanostructure, comprising graphene, amorphous carbon and a non-carbon non-oxygen element, wherein the non-carbon non-oxygen element is in an amount of 0.5 wt %-6 wt % of the composite. The present invention discloses controlling the content of the non-carbon non-oxygen element in the composite to obtain excellent far-infrared effect and antibacterial and bacteriostatic effects, wherein the normal emissivity in the far-infrared performance reaches 0.85 or more, and the antibacterial rate reaches 95% or more. The composite having a carbon nanostructure of the present invention is applied to macromolecular materials to modify macromolecular materials under the circumstance that the addition amount is relatively low. The composite having a carbon nanostructure can achieve notable far-infrared performance and antibacterial and bactericidal performances without any pre-modification and activation treatment.

Abstract: Provided is a multifunctional viscose fiber comprising viscose fibers, graphene and nanosilver, wherein the nanosilver is loaded on the graphene in situ. Provided is a method for preparing multifunctional viscose fibers including: a) dispersing graphene in an aqueous solution to obtain a graphene dispersion solution, b) dissolving a silver salt into the graphene dispersion solution, and adding a reducing agent to perform a reduction reaction to obtain a nanosilver-loaded graphene dispersion solution, and c) uniformly mixing the nanosilver-loaded graphene dispersion solution with a viscose solution, and performing spinning to obtain the multifunctional viscose fibers. Experimental results show that as compared to viscose fibers with no nanosilver-loaded graphene added, the multifunctional viscose fibers have a far infrared temperature increase performance increased by not less than 100%, an ultraviolet protecting coefficient increased by not less than 70%, and an antibacterial activity reaching 99.

Abstract: A method for preparing biomass graphene by using cellulose as a raw material includes preparing a catalyst solution, carrying out ionic coordination and high-temperature deoxidization on cellulose and a catalyst so as to obtain a precursor, carrying out thermal treatment and pre-carbonization, and carrying out acid treatment and drying to obtain the graphene. The graphene is uniform in morphology with a single-layer or multi-layer two-dimensional layered structure having a dimension of 0.5 ?m to 2 ?m, and an electric conductivity of 25000 S/m to 45000 S/m. The graphene can be applied to electrode materials of super capacitors and lithium ion batteries, and can also be added to resin and rubber as an additive so as to improve physical properties of the resin and the rubber.

Abstract: The present invention relates to a composite having a carbon nanostructure, comprising graphene, amorphous carbon and a non-carbon non-oxygen element, wherein the non-carbon non-oxygen element is in an amount of 0.5 wt %-6 wt % of the composite. The present invention discloses controlling the content of the non-carbon non-oxygen element in the composite to obtain excellent far-infrared effect and antibacterial and bacteriostatic effects, wherein the normal emissivity in the far-infrared performance reaches 0.85 or more, and the antibacterial rate reaches 95% or more. The composite having a carbon nanostructure of the present invention is applied to macromolecular materials to modify macromolecular materials under the circumstance that the addition amount is relatively low. The composite having a carbon nanostructure can achieve notable far-infrared performance and antibacterial and bactericidal performances without any pre-modification and activation treatment.

Abstract: Provided is a multifunctional viscose fiber comprising viscose fibers, graphene and nanosilver, wherein the nanosilver is loaded on the graphene in situ. Provided is a method for preparing multifunctional viscose fibers including: a) dispersing graphene in an aqueous solution to obtain a graphene dispersion solution, b) dissolving a silver salt into the graphene dispersion solution, and adding a reducing agent to perform a reduction reaction to obtain a nanosilver-loaded graphene dispersion solution, and c) uniformly mixing the nanosilver-loaded graphene dispersion solution with a viscose solution, and performing spinning to obtain the multifunctional viscose fibers. Experimental results show that as compared to viscose fibers with no nanosilver-loaded graphene added, the multifunctional viscose fibers have a far infrared temperature increase performance increased by not less than 100%, an ultraviolet protecting coefficient increased by not less than 70%, and an antibacterial activity reaching 99.

Abstract: A method for preparing biomass graphene by using cellulose as a raw material includes preparing a catalyst solution, carrying out ionic coordination and high-temperature deoxidization on cellulose and a catalyst so as to obtain a precursor, carrying out thermal treatment and pre-carbonization, and carrying out acid treatment and drying to obtain the graphene. The graphene is uniform in morphology with a single-layer or multi-layer two-dimensional layered structure having a dimension of 0.5 ?m to 2 ?m, and an electric conductivity of 25000 S/m to 45000 S/m. The graphene can be applied to electrode materials of super capacitors and lithium ion batteries, and can also be added to resin and rubber as an additive so as to improve physical properties of the resin and the rubber.

Abstract: Provided is a porous graphene preparation method, comprising: under the function of a catalyst, conducting catalytic treatment on a biomass carbon source to obtain a first intermediate product, the catalyst comprising one or more of chlorides of manganese, iron compounds, cobalt compounds and nickel compounds; under protective gas condition, heating the first intermediate product from a first temperature to a second temperature and holding to obtain a second intermediate product; heating the second intermediate product from the second temperature to a third temperature and holding to obtain a third intermediate product; heating the third intermediate product from the third temperature to a fourth temperature and holding to obtain a fourth intermediate product; and cooling the fourth intermediate product from the fourth temperature to a fifth temperature and holding to obtain porous graphene. The porous graphene prepared via the method of the present invention has better electrical conductivity.

Abstract: Provided is a porous graphene preparation method, comprising: under the function of a catalyst, conducting catalytic treatment on a biomass carbon source to obtain a first intermediate product, the catalyst comprising one or more of chlorides of manganese, iron compounds, cobalt compounds and nickel compounds; under protective gas condition, heating the first intermediate product from a first temperature to a second temperature and holding to obtain a second intermediate product; heating the second intermediate product from the second temperature to a third temperature and holding to obtain a third intermediate product; heating the third intermediate product from the third temperature to a fourth temperature and holding to obtain a fourth intermediate product; and cooling the fourth intermediate product from the fourth temperature to a fifth temperature and holding to obtain porous graphene. The porous graphene prepared via the method of the present invention has better electrical conductivity.