阅读说明：本技术 一种晶须碳纳米管远红外纸及其制备方法 (Whisker carbon nanotube far infrared paper and preparation method thereof ) 是由 秦昌龙 于 2020-07-06 设计创作，主要内容包括：本发明公开了一种晶须碳纳米管远红外纸及其制备方法,包括有以下步骤：S1,准备原材料：单壁碳纳米管、表面活性剂Triton X-100、去离子水、聚四氟乙烯薄膜、甲醇；S2,碳纳米管的制备和纯化；S3,将碳纳米管分散在溶剂中,形成碳纳米管的悬浮液；S4,过滤碳纳米管的悬浮液,使碳纳米管交缠在一起；S5,真空干燥,使碳纳米管与滤纸分离,从而获得晶须碳纳米管远红外纸,本发明涉及晶须碳纳米管远红外纸技术领域。本发明,解决了晶须碳纳米管远红外纸制备方法复杂,不适合大批量生产且制备的晶须碳纳米管远红外纸含铁量高、厚度大、质量不好的问题。(The invention discloses whisker carbon nanotube far infrared paper and a preparation method thereof, wherein the preparation method comprises the following steps: s1, preparing raw materials: the preparation method comprises the following steps of (1) preparing a single-walled carbon nanotube, a surfactant Triton X-100, deionized water, a polytetrafluoroethylene film and methanol; s2, preparing and purifying the carbon nano tube; s3, dispersing the carbon nano-tube in a solvent to form a suspension of the carbon nano-tube; s4, filtering the suspension of the carbon nanotubes to make the carbon nanotubes intertwined together; s5, vacuum drying to separate the carbon nano tube from the filter paper, thereby obtaining the whisker carbon nano tube far infrared paper. The invention solves the problems that the preparation method of the whisker carbon nanotube far infrared paper is complex and is not suitable for mass production, and the prepared whisker carbon nanotube far infrared paper has high iron content, large thickness and poor quality.)

1. The whisker carbon nanotube far infrared paper and the preparation method thereof are characterized by comprising the following steps:

s1, preparing raw materials: the preparation method comprises the following steps of (1) preparing a single-walled carbon nanotube, a surfactant Triton X-100, deionized water, a polytetrafluoroethylene film and methanol;

s2, preparing and purifying the carbon nano tube;

s3, dispersing the carbon nano-tube in a solvent to form a suspension of the carbon nano-tube;

s4, filtering the suspension of the carbon nanotubes to make the carbon nanotubes intertwined together;

and S5, drying in vacuum to separate the carbon nano tube from the filter paper, thereby obtaining the whisker carbon nano tube far infrared paper.

2. The whisker carbon nanotube far infrared paper and the preparation method thereof according to claim 1, characterized in that: the raw materials comprise, by weight, 10-20 parts of single-walled carbon nanotubes, 100 parts of surfactant Triton X-10080-.

3. The whisker carbon nanotube far infrared paper and the preparation method thereof according to claim 1, characterized in that: in the S1, the preparation and purification method of the carbon nanotube comprises the steps of dissolving a high-purity single-walled carbon nanotube with the purity of more than 95% and a surfactant Triton X-100 in 220 parts of deionized water, and carrying out ultrasonic oscillation for 1.8-2.5h to uniformly disperse the single-walled carbon nanotube and the surfactant Triton X-100.

4. The whisker carbon nanotube far infrared paper and the preparation method thereof according to claim 1, characterized in that: and in the S2, a polytetrafluoroethylene film with the aperture of 0.22um is used as a filter membrane, and the mixed aqueous solution of the single-wall carbon nano tube and the surfactant is subjected to suction filtration under the pressure of 400kPa to obtain the interlaced single-wall carbon nano tube membrane.

5. The whisker carbon nanotube far infrared paper and the preparation method thereof according to claim 1, characterized in that: in the step S3, the single-walled carbon nanotube film is washed with deionized water and then washed with methanol to remove the residual surfactant.

6. The whisker carbon nanotube far infrared paper and the preparation method thereof according to claim 1, characterized in that: and in the S4, drying in vacuum to separate the carbon nanotube film from the polytetrafluoroethylene film, thereby obtaining the whisker carbon nanotube far infrared paper.

7. The whisker carbon nanotube far infrared paper and the preparation method thereof according to claim 1, characterized in that: in the step S1, the deionized water may be replaced by a mixture of deionized water and ethanol, absolute ethanol, toluene, acetylated acetone, and dimethylformamide.

8. The whisker carbon nanotube far infrared paper and the preparation method thereof according to claim 1, characterized in that: in S1, the ptfe film may be replaced with a polycarbonate film, a polyvinylidene fluoride film, a tetrafluoroethylene film, or a nylon film.

Technical Field

The invention relates to the technical field of whisker carbon nanotube far infrared paper, in particular to whisker carbon nanotube far infrared paper and a preparation method thereof.

Background

Disclosure of Invention

In order to solve the problems that the preparation method of the whisker carbon nanotube far infrared paper is complex and is not suitable for mass production, and the prepared whisker carbon nanotube far infrared paper has high iron content, large thickness and poor quality, the invention aims to provide the whisker carbon nanotube far infrared paper and the preparation method thereof.

In order to achieve the purpose, the invention adopts the following technical scheme: a whisker carbon nanotube far infrared paper and a preparation method thereof comprise the following steps:

s1, preparing raw materials: the preparation method comprises the following steps of (1) single-walled carbon nanotube, surfactant TritonX-100, deionized water, polytetrafluoroethylene film and methanol;

s2, preparing and purifying the carbon nano tube;

s3, dispersing the carbon nano-tube in a solvent to form a suspension of the carbon nano-tube;

s4, filtering the suspension of the carbon nanotubes to make the carbon nanotubes intertwined together;

and S5, drying in vacuum to separate the carbon nano tube from the filter paper, thereby obtaining the whisker carbon nano tube far infrared paper.

Preferably, the raw materials comprise, by weight, 10-20 parts of single-walled carbon nanotubes, 100 parts of surfactant Triton X-10080-.

Preferably, in the S1, the carbon nanotube is prepared and purified by dissolving high-purity single-walled carbon nanotubes with a purity of 95% or more and the surfactant triton x-100 in 220 parts of deionized water, and uniformly dispersing the mixture by ultrasonic oscillation for 1.8-2.5 h.

Preferably, in S2, a polytetrafluoroethylene film with a pore size of 0.22um is used as a filter membrane, and a mixed aqueous solution of the single-walled carbon nanotube and the surfactant is suction filtered under a pressure of 400kPa to obtain an intertwined single-walled carbon nanotube film.

Preferably, in S3, the single-walled carbon nanotube film is washed with deionized water and then washed with methanol to remove the residual surfactant.

Preferably, in S4, drying in vacuum is performed to separate the carbon nanotube film from the teflon film, thereby obtaining the whisker carbon nanotube far infrared paper.

Preferably, in S1, the deionized water may be replaced by a mixture of deionized water and ethanol, absolute ethanol, toluene, acetylated acetone, and dimethyl amide.

Preferably, in S1, the teflon film can be replaced by a polycarbonate film, a polyvinylidene fluoride film, a tetrafluoroethylene film and a nylon film.

Compared with the prior art, the invention has the following beneficial effects: the preparation method of the invention has simple required equipment and low cost, and can purify the carbon nano tube before filtration, thereby obtaining the whisker carbon nano tube far infrared paper with low iron content; the whisker carbon nanotube far infrared paper prepared by the method has high purity and thin thickness; the preparation method of the invention has simple process and easy popularization.

Drawings

The invention is described in further detail below with reference to the following figures and detailed description:

FIG. 1 is a schematic view of the overall process of the present invention.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.

Please refer to fig. 1. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.