Preparation method of keratin complex fiber

A composite fiber and keratin technology is applied in the field of preparation of keratin composite fibers, which can solve the problems of high brittleness, low strength and low use value, and achieve the improvement of strength and elongation at break, reduce pollution and increase use value. Effect

Inactive Publication Date: 2015-08-26
JIANGNAN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, the pure keratin films and fibers involved in the above-mentioned doc

Method used

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  • Preparation method of keratin complex fiber

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Experimental program
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Effect test

Embodiment 1

[0022] To a 1000 ml round-bottomed flask, first add 1.5 g of 50 mesh chicken feather keratin powder, add 600 g of 1-butyl-3-methylimidazolium chloride, dissolve at 120°C for 30 minutes to obtain a clear and transparent keratin ionic liquid solution , then cooled to 60° C. and then added 30 g of bamboo pulp, dissolved for 12 hours to obtain a uniform and transparent composite solution, and the solution was prepared by wet spinning to obtain keratin / cellulose composite fibers.

[0023] The specific spinning process parameters are as follows:

[0024] Spinning pressure: 0.2MPa; spinning temperature: 120°C, coagulation bath composition: distilled water; coagulation bath temperature: 60°C; water washing temperature: 80°C; spinning speed: 5m / min

Embodiment 2

[0026] Add 30g of 100 mesh wool keratin powder to a 1000ml round-bottomed flask, add 600g of 1-allyl-3-methylimidazolium chloride, dissolve at 130°C for 2 hours to obtain a clear and transparent keratin ionic liquid solution , then cooled to 80°C and then added 30g of hemp pulp, dissolved for 10 hours to obtain a uniform and transparent composite solution, and the solution was prepared by wet spinning to obtain keratin / cellulose composite fibers. The SEM photo is as follows figure 1 shown.

[0027] The specific spinning process parameters are as follows:

[0028] Spinning pressure: 0.4MPa; spinning temperature: 70°C; coagulation bath composition: anhydrous ethanol aqueous solution (V / V=1:1); coagulation bath temperature: 20°C; water washing temperature: 50°C; spinning speed: 10m / min

Embodiment 3

[0030] Add 60g of 200 mesh duck feather keratin powder to a 1000ml round-bottomed flask, add 600g of 1-ethyl-3-methylimidazolium chloride, dissolve at 130°C for 5 hours to obtain a clear and transparent keratin ionic liquid solution , then cooled to 90° C. and then added 30 g of cotton linters, dissolved for 5 hours to obtain a uniform and transparent composite solution, and the solution was prepared by dry-jet wet spinning to obtain keratin / cellulose composite fibers.

[0031] The specific spinning process parameters are as follows:

[0032] Spinning pressure: 0.4MPa; spinning temperature: 100°C; air bath height: 1cm; coagulation bath composition: anhydrous ethanol aqueous solution (V / V=1:3); coagulation bath temperature: 10°C; water washing temperature: 30°C ; Spinning speed: 20m / min

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Abstract

The invention relates to a preparation method of keratin complex fiber, which comprises the following steps: 1, mixing the dried keratin powder, high polymer for fiber forming, ionic liquid and the like, and mechanically stirring and dissolving to obtain a keratin complex solution at certain temperature; (2) preparing a keratin complex fiber by using a dry jet wet spinning process. According to the invention, the keratin used according to the invention comes from leftovers of processing industry such as chicken feather, drake feather, goose feather and wool, and as for the recycle of the waste, on one hand, the economic benefit is increased, on the other hand, the environment pollution can be reduced. The selected high polymer for fiber forming and keratin can dissolve together in the same ionic liquid, so that the characteristics of high efficiency, simpleness and convenience can be achieved. Compared with the pure keratin fiber, the strength and elongation at break of the spun regenerated keratin can be improved greatly, the practical use value can be increased; the keratin complex fiber has wide potential application in the fields of clothing, wig, tissue engineering and the like. In addition, the solvent ionic liquid can be completely recycled, can not pollute the environment and has the meaning of sustainable development.

Description

technical field [0001] The invention relates to a preparation method of keratin composite fibers, specifically using ionic liquid as a co-solvent of keratin and another macromolecule to prepare a composite solution by dissolving step by step in one bath, wet method, dry method The invention relates to a method for preparing keratin composite fibers by a wet-jet spinning process, belonging to the technical field of new materials and their preparation. Background technique [0002] Keratin is a kind of renewable biological protein with abundant reserves in nature, which widely exists in the feathers of birds and poultry and the hair of humans and animals. Regenerated keratin products also have potential applications in biomedicine, textile printing and dyeing, food processing, environmental protection and other fields. However, the millions of tons of hairiness by-products produced by poultry processing industry and down product manufacturers in my country are mostly disposed...

Claims

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Application Information

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IPC IPC(8): D01F8/02D01F8/08
Inventor 马博谋侯秀良乔雪
Owner JIANGNAN UNIV
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