Bast fiber fabric with protective function and preparation method thereof

A protective function, hemp fabric technology, applied in plant fiber, textiles, papermaking, biochemical fiber treatment, etc., can solve the problems of high harm and single function of functionally modified products, and achieve the promotion of bonding fastness, simple method, and satisfactory ecological effect

Active Publication Date: 2016-10-12
ANHUI AGRICULTURAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to overcome the deficiencies of the prior art, and provide a multifunctional linen fabric with durable antibacterial, anti-wrinkle and anti-ultraviolet rays, so as to solve the single function of the linen fabric in the prior art and the harm of functionally modified products. major technical issues

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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  • Bast fiber fabric with protective function and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Add ramie fiber to 15wt% sodium hydroxide solution, stir at room temperature for 20 minutes, wash with water 3 times, soak in glacial acetic acid with a mass concentration of 5% for 30 minutes, finally wash with water and dry to obtain alkalized ramie fiber;

[0025] Prepare a sodium periodate solution with a concentration of 2g / L and place it in a brown conical flask, add the alkalized ramie fiber prepared above at a bath ratio of 50:1, and react in a water bath at 40°C for 0.5h to obtain oxidized ramie Fabric: Take out the oxidized ramie fabric and rinse it, soak it in glycerin solution for 2 hours, and then soak it in deionized water for 24 hours. Obtain the oxidized ramie fabric after washing and drying at last;

[0026] The chitosan that weighed deacetylation degree is 80% is added in the dilute acetic acid solution that volume concentration is 1%, and chitosan is dissolved in acetic acid solution completely, wherein the mass concentration of chitosan in the chitos...

Embodiment 2

[0031] Add flax fiber to 25wt% sodium hydroxide solution, stir at room temperature for 60 minutes, wash with water 5 times, soak in glacial acetic acid with a mass concentration of 5% for 30 minutes, finally wash with water and dry to obtain alkalized flax fiber;

[0032] Prepare a periodic acid solution with a concentration of 10g / L and place it in a brown conical flask, add the alkalized flax fiber prepared above at a bath ratio of 50:1, and react in a water bath at 60°C for 3 hours in the dark to obtain oxidized flax fabric; The oxidized linen fabric was taken out and rinsed, then soaked in acetone solution for 2 hours, and then soaked in deionized water for 24 hours. Obtain the oxidized linen fabric after washing and drying at last;

[0033] The degree of deacetylation that weighs is that 95% chitosan joins in the dilute acetic acid solution that volume concentration is 4%, and chitosan is dissolved in acetic acid solution completely, wherein the mass concentration of chit...

Embodiment 3

[0038] The jute fiber is added in 20wt% sodium hydroxide solution, stirred at room temperature for 40min, washed 3 times, then soaked in 5% glacial acetic acid for 30min in mass concentration, finally washed with water and dried to obtain alkalized jute fiber;

[0039] Prepare a sodium periodate solution with a concentration of 8g / L and place it in a brown conical flask, add the alkalized jute fiber prepared above at a bath ratio of 50:1, and react in a water bath at 50°C for 2 hours in the dark to obtain oxidized jute fabric ; The oxidized jute fabric was taken out and rinsed, then soaked in acetone solution for 2 hours, and then soaked in deionized water for 24 hours. Obtain the oxidized jute fabric after washing and drying at last;

[0040] The degree of deacetylation that weighs is that 85% chitosan joins in the dilute acetic acid solution that volume concentration is 1%, and chitosan is dissolved in acetic acid solution completely, wherein the mass concentration of chitos...

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Abstract

The invention discloses a bast fiber fabric with a protective function and a preparation method thereof. The preparation method comprises the preparation steps of bast fiber pretreatment, oxidation treatment, chitosan acetic acid solution preparation, chitosan-modified oxidized bast fiber fabric preparation, chitosan-modified oxidized bast fiber fabric composite finishing through tea polyphenol and the like. According to the preparation method, bast fiber is selectively oxidized through periodic acid or periodate, a generated active group aldehyde group -CHO can generate an imidization reaction with chitosan containing -NH2, chemical bonding is generated between the aldehyde group and chitosan containing -NH2 under the condition that no cross-linking agent or other chemical additive is used, therefore, the tea polyphenol adsorption capacity of the fabric in the subsequent finishing process is enhanced, combination between tea polyphenol and the bast fiber is promoted, and the condition that other reagents are used in the tea polyphenol function finishing process is avoided. The bast fiber fabric has the good multifunctionality such as the antibacterial property, the wrinkle resistance and the ultraviolet resistance; the preparation technology of the bast fiber fabric is simple and convenient to operate, clean production is achieved in the preparation process, and the requirements of ecological textiles are met.

Description

technical field [0001] The invention relates to a method for modifying cotton and linen fabrics, in particular to a method for treating linen fabrics with multifunctional functions such as antibacterial, anti-wrinkle and anti-ultraviolet rays. Background technique [0002] Hemp fiber is a natural cellulose fiber, which is renewable, biodegradable, non-toxic and non-polluting. Hemp fiber is widely used in clothing, household and industrial textile fields due to its elegant luster, good moisture absorption and release properties, and natural antibacterial properties. However, hemp fiber has disadvantages such as easy wrinkling and unstable size; and when worn in summer, the anti-ultraviolet performance of hemp fabric needs to be further improved. With the continuous emergence of new varieties, high performance and multifunctional textile fiber materials, objectively the requirements for hemp fiber and its products are also getting higher and higher. The development of multif...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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IPC IPC(8): D06M11/38D06M13/188D06M11/30D06M13/148D06M15/03D06M13/224D06M101/06
CPCD06M11/30D06M11/38D06M13/148D06M13/188D06M13/224D06M15/03D06M16/00D06M2101/06D06M2200/20D06M2200/25
Inventor 王浩张晓丽杜兆芳刘陶刘娜
Owner ANHUI AGRICULTURAL UNIVERSITY
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