Gluten fiber preparation method

A gluten and fiber technology, which is used in the preparation of protein fibers and the field of protein fiber preparation, can solve the problems of low fiber protein content, complicated production process, and fiber strength cannot be guaranteed, and achieves good biocompatibility and tensile mechanics. Good performance and the effect of filling the demand gap

Active Publication Date: 2014-01-01
JIANGSU SUNSHINE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the regenerated protein fibers that have been industrialized, including soybean protein fiber and milk protein fiber, are not 100% soybean protein regenerated fiber or milk protein regenerated fiber, which contains about 55-75% synthetic polymers. These fibers are difficult to meet the fiber quality requirements of high-end textiles
[0003] Chinese patent: Publication No. CN1370856 discloses a regenerated protein fiber and its manufacturing method, which uses keratin as the preparation method of the regenerated protein fiber as a raw material, but the number of disulfide bonds between keratin macromolecules is huge, and the spinning solution During the preparation process, it is difficult for the protein to fully swell and stretch, and the strength of the fiber cannot be guaranteed. A large amount of toxic mercaptoethanol or thioglycolic acid and other substances are used in the preparation process of the fiber. The production process is complicated and the safety is insufficient.
Chinese patent: Publication No. CN102634860A discloses a wheat protein fiber and its manufacturing method. The fiber prepared by this method has a low protein content, and a large amount of sodium hydroxide solution and sulfuric acid solution are used in the preparation process, causing great pollution in the production process.

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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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] (1) Preparation of spinning solution

[0028] Dissolve 100Kg of gluten powder in a urea solution whose mass is 3 times that of gluten powder, stir well and leave the solution temperature at 40°C for 12 hours to obtain a spinning solution; the molar concentration of the urea solution is 9mol / L, the urea solution containing mass percent concentration is 1% Na 2 SO 3 reducing agent;

[0029] (2), wet spinning

[0030] The spinning solution obtained in step (1) is stretched and spun under the condition of 70° C. to obtain preliminary silky gluten strands;

[0031] (3), solidification

[0032] At normal temperature, the preliminary filamentous gluten strips prepared in step (2) were immersed in Na 2 SO 4 Preliminary coagulation is carried out in the solution, and the coagulation time is 30min to obtain coagulated gluten filaments; Na 2 SO 4 The mass percentage concentration of solution is 8%; 2 SO 4 The mass ratio of the solution is 1:6;

[0033] (4), citric aci...

Embodiment 2

[0040] (1) Preparation of spinning solution

[0041] Dissolve 100Kg of gluten powder in a urea solution whose mass is 4 times that of gluten powder, stir well and then make the solution temperature be 50°C and leave it to stand for 10 hours in a sealed condition to obtain spinning solution; wherein the molar concentration of urea solution is 9mol / L, the urea solution containing mass percent concentration is 0.8% Na 2 SO 3 reducing agent;

[0042] (2), wet spinning

[0043] The spinning solution obtained in step (1) is stretched and spun under the condition of 80° C. to obtain preliminary silky gluten strands;

[0044] (3), solidification

[0045] At normal temperature, the preliminary filamentous gluten strips prepared in step (2) were immersed in Na2 SO 4 Preliminary coagulation is carried out in the solution, and the coagulation time is 15min to obtain coagulated gluten filaments; Na 2 SO 4 The mass percentage concentration of solution is 10%; 2 SO 4 The mass rati...

Embodiment 3

[0053] (1) Preparation of spinning solution

[0054] 100Kg gluten powder is dissolved in the urea solution that quality is 5 times of gluten powder, after fully stirring evenly, make solution temperature be 20 ℃ of conditions and seal and stand for 40h, obtain spinning solution; Wherein the molar concentration of urea solution is 9mol / L, the urea solution containing mass percent concentration is 1.5% Na 2 SO 3 reducing agent;

[0055] (2), wet spinning

[0056] The spinning solution obtained in step (1) is stretched and spun under the condition of 90° C. to obtain preliminary silky gluten strands;

[0057] (3), solidification

[0058] At normal temperature, the preliminary filamentous gluten strips prepared in step (2) were immersed in Na 2 SO 4 Preliminary coagulation is carried out in the solution, and the coagulation time is 45min to obtain coagulated gluten filaments; Na 2 SO 4 The mass percentage concentration of solution is 15%; 2 SO 4 The mass ratio of the s...

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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PUM

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Abstract

The invention relates to a gluten fiber preparation method which comprises steps as follows: (1), preparation of a spinning solution; (2), spinning with a wet method; (3) solidification; (4) crosslinking treatment of citric acid; (5), secondary drafting; and (6), thermal treatment for sizing. The gluten fiber preparation method has the advantages of low production cost and simple and efficient production process of gluten fiber.

Description

technical field [0001] The invention relates to a method for preparing protein fibers, in particular to a method for preparing protein fibers using gluten as a raw material, and belongs to the technical field of polymer materials. Background technique [0002] my country is the center of the global textile industry. The textile industry is a traditional pillar industry of China's national economy and an important livelihood industry. The overall textile production capacity is close to half of the world's. At present, my country's textile consumption needs have shifted from subsistence consumption to enjoyment consumption, and gradually changed from a textile production base to a consumer subject. People's demand for high-quality textiles is increasing day by day. Demand is also increasing. Commonly used traditional natural protein fibers include plush and silk fibers. These two types of fibers are favored by consumers for their excellent wearability such as good comfort, go...

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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Patent Type & Authority Applications(China)
IPC IPC(8): D01F4/00D01F11/02
Inventor 侯秀良温乐蛟曹秀明陶雅芸周银良
Owner JIANGSU SUNSHINE
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