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Fiber containing graphene/medical planTS and preparing method thereof

A plant fiber and medicinal plant technology, applied in the directions of fiber raw material, non-fiber pulp addition, fiber raw material treatment, etc., can solve the problems of low pulping yield and low kappa value, and achieve high fiber yield and kappa value. Low value, the effect of simplifying the pulping process

Inactive Publication Date: 2018-06-12
林荣铨
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims to solve the deficiencies of the prior art, and provides a preparation method of graphene-containing / medicinal plant fiber. The method can not only solve the problem of low pulping yield, but also effectively improve the whiteness of pulp, and the prepared fiber product It has the characteristics of good hygienic properties and low kappa value; and the prepared paper products contain health care effects, effective antibacterial and antibacterial; the paper products prepared by the method of the present invention have good softness and high strength

Method used

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  • Fiber containing graphene/medical planTS and preparing method thereof

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Comparison scheme
Effect test

Embodiment 1

[0024] Present embodiment provides a kind of method containing graphene / medicinal plant fiber, comprises the following steps:

[0025] S1. Deslagging the medicinal plants, removing the silt and dust therein, drying until the water content is 20%, performing screw extrusion on the medicinal plants, and then set aside;

[0026] S2. Place the extruded medicinal plants obtained in step S1 in an ultrasonic reactor, add a 30% ethanol solution, the liquid ratio is 1:6, the cooking temperature is 120° C., and the time is 50 minutes before discharging. Obtain bleached pulp; the process parameters of the ultrasonic reactor are: the power of the ultrasonic reactor is 1500W, and the frequency is 25KHz;

[0027] S3. Place the bleached pulp obtained in step S2 in a displacement washer, use a 50% ethanol solution at normal temperature and pressure to carry out two-stage displacement washing, the washing liquid ratio is 1:4, and then wash it with water to obtain medicinal plant fibres;

[0...

Embodiment 2

[0031] The present embodiment provides a kind of graphene-containing / medicinal plant fiber method, and the specific operation steps are as follows:

[0032] S1. The medicinal plants are subjected to deslagging treatment, after removing silt and dust therein, and dried until the water content is 30%, after the above-mentioned medicinal plants are subjected to screw extrusion treatment, they are set aside; the compression ratio of the screw extrusion treatment is 2:1;

[0033] S2. Place the extruded medicinal plants obtained in step S1 in an ultrasonic reactor, add a 50% ethanol solution, the liquid ratio is 1:8, the cooking temperature is 100° C., and the time is 60 minutes before discharging. Obtain bleached pulp; the process parameters of the ultrasonic reactor are: the power of the ultrasonic reactor is 1400W, and the frequency is 30KHz;

[0034] S3. Place the bleached slurry obtained in step S2 in a displacement washer, use a 60% ethanol solution at normal temperature and ...

Embodiment 3

[0038] The present embodiment provides a kind of graphene-containing / medicinal plant fiber method, and the specific operation steps are as follows:

[0039] S1. The medicinal plants are subjected to slag removal treatment, after removing silt and dust therein, dried until the water content is 25%, after the above-mentioned medicinal plants are subjected to screw extrusion treatment, for subsequent use; the compression ratio of the screw extrusion treatment is 1.5:1;

[0040] S2. Place the extruded medicinal plants obtained in step S1 in an ultrasonic reactor, add a 40% ethanol solution, the liquid ratio is 1:7, the cooking temperature is 110° C., and the time is 55 minutes before discharging. Obtain bleached pulp; the process parameters of the ultrasonic reactor are: the power of the ultrasonic reactor is 1450W, and the frequency is 25KHz;

[0041] S3. Place the bleached slurry obtained in step S2 in a displacement washer, and use an ethanol solution with a concentration of 5...

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Abstract

The invention relates to a fiber containing graphene / medical planTS and a preparing method thereof, and discloses medical plant paper-making processes including screw extrusion treatment, stewing, washing, paper making, paper product modification and the like. The medical planTS are adopted as raw materials for preparing the fiber, an ultrasonic wave method and an ethyl alcohol method are adoptedin coordination, the paper product containing graphene prepared through the method is good in softness and high in strength, no harmful chemicals are introduced into the whole process, and thus the hygienic characteristic of the fiber is ensured. Besides, the prepared paper product has health care efficacy, and effectively inhibiTS and prevenTS bacteria; the paper product prepared through the method is good in softness and high in strength. Graphene dispersion liquid is added in the pulping process, and thus the obtained product has good anti-bacteria performance and has effective inhibiting and killing effecTS especially on staphylococcus aureus, colibacilli and hemolytic streptococcus.

Description

technical field [0001] The invention belongs to the technical field of pulping and papermaking, and in particular relates to a graphene-containing / medicinal plant fiber and a preparation method thereof. Background technique [0002] Graphene is a new type of two-dimensional ultra-thin nanomaterial, because of its unique structure, mechanical and electronic properties, it has broad application prospects in the field of bio-nanotechnology such as drug delivery and tumor treatment. Studies have shown that graphene can not only cut the bacterial cell membrane, but also induce the detachment of phospholipid molecules on the bacterial cell membrane, so as to realize the large-scale direct extraction of phospholipid molecules on the cell membrane by graphene. The physical action of cutting and extracting can cause the bacterial cell membrane to lose its integrity and the intracellular material to flow out, thereby achieving the effect of killing the bacteria. At the same time, gra...

Claims

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Application Information

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IPC IPC(8): D21B1/02D21C3/20D21C9/02D21C9/10D21H17/00D21H17/01D21H17/02D21H17/06
CPCD21B1/023D21C3/20D21C9/02D21C9/10D21H17/00D21H17/01D21H17/02D21H17/06
Inventor 林荣铨
Owner 林荣铨
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