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Sweetcane bark fiber and preparation method thereof

A sugarcane peel and fiber technology, applied in the direction of chemical production of bast fibers, can solve the problems of deterioration of fiber mechanical properties, time-consuming and energy-consuming, long acid-base action time, etc., and achieves small dispersion of length and linear density, mechanical The effect of good performance and low processing cost

Inactive Publication Date: 2012-06-20
SUZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The main purpose of this invention is to use bagasse cellulose as raw material to develop fiber materials with antibacterial function. There is no requirement for the mechanical properties of fibers, and the acid-base action time is long when extracting cellulose, which is time-consuming and energy-consuming. The mechanical properties of the fiber deteriorated significantly

Method used

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  • Sweetcane bark fiber and preparation method thereof
  • Sweetcane bark fiber and preparation method thereof
  • Sweetcane bark fiber and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0022] Cut sugarcane bark into small sections about 70 mm in length and wash them with clean water.

[0023] Take an appropriate amount of sugarcane peel and add it to clean water, the bath ratio is 1:50, put it in a water bath and boil for 1 hour, replace with new clean water and boil for another 2 hours, then change the water and boil for 1 hour. Take out the sugarcane skin and wash it, put it in a 55°C oven and dry it for later use.

[0024] Take the cleaned and dried sugarcane bark for fiber extraction according to the following process:

[0025] Take 30g of sugarcane skin, put it into 600ml of hydrochloric acid and formic acid mixed solution, the solution contains 15ml of hydrochloric acid with a mass concentration of 36-38%, and 60ml of formic acid with a mass concentration of 88%, stir at 80°C for 60min; take out the solid Wash it with water, put it into 600ml of NaOH solution with a mass concentration of 10%, and stir it at 75°C for 120 minutes; take out the fiber for...

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PUM

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Abstract

The invention discloses sweetcane bark fiber and a preparation method thereof. According to the present invention, nodes are removed from the sweetcane bark, the sweetcane bark is cut into small pieces, and clear water is adopt to boil to remove sugar from the sweetcane bark; the sweetcane bark is subjected to acid boiling in a mixed solution comprising hydrochloric acid and formic acid, and water washing; after the water washing, the sweetcane bark is subjected to alkali boiling, water washing, neutralization with a diluted acetic acid solution, drying and other processes to obtain the sweetcane bark fiber, wherein the fiber crystal structure is the cellulose I type, the crystallinity is 50-60%, the equilibrium moisture regain under the standard atmospheric condition is 8-13%, the average diameter of the single fiber is 16-20 mum, and the average diameter of the bundle fiber is 150-170 mum. With the present invention, the raw materials for extracting the sweetcane bark fiber have wide sources, the processing cost is low, the fiber has characteristics of good moisture absorption and biodegradability, and the fiber provides broad prospects for preparations of nonwoven materials or composite materials.

Description

technical field [0001] The invention relates to a plant fiber and a preparation method thereof, in particular to a method for preparing sugarcane husk fiber by using sugarcane husk as a raw material. Background technique [0002] my country's sugarcane planting area is large, and the yield is high. Bagasse is the main waste after sugar production in sugar factories. Its output is huge and its price is low. However, its utilization is still very limited at present. Except for a small amount of use in papermaking, farm compost and livestock feed raw materials, most of it is used as fuel Burning or discarding not only produces a large amount of solid waste and causes environmental pollution, but also causes a huge waste of plant resources. With the consumption of non-renewable resources and the enhancement of people's energy awareness, finding natural and renewable resources has become the goal of technicians. [0003] Fully exploiting resources and reducing environmental bur...

Claims

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Application Information

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IPC IPC(8): D01C1/02
Inventor 杨旭红
Owner SUZHOU UNIV
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