Preparation method and dry-wet spinning method of regenerated protein chitosan blended solution

A technology of dry and wet spinning and chitosan solution is applied in the field of regenerated eggs to achieve the effects of improving uniformity and orientation, promoting blood coagulation and wound healing, and improving elongation and elasticity

Inactive Publication Date: 2014-05-14
河南鼎大生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the existing defects of using synthetic high polymers to prepare protein fibers, and to invent a preparation of regenerated protein chitosan blend solution utilizing chitosan instead of synthetic high polymers and dry-wet spinning Methods

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment example 1

[0040] In this embodiment, the blended solution of regenerated protein chitosan is used as a raw material to prepare composite fibers by a dry-wet spinning process;

[0041] The regenerated protein chitosan blend solution is made from silk, animal hair and chitosan, and its preparation steps are as follows:

[0042] (1) Boil the silk into 0.5% Na 2 CO 3 Degumming in the solution, the amount of silk is 1.5% of the solution weight, degumming 3 times, 15 minutes each time, rinse 3 times with hot water after degumming, then dry at 90 ° C, cut into pieces;

[0043] (2) The dried and shredded silk fiber and pig hair are blended according to the mass ratio of 1:0.2, and then pulverized into a protein fine powder with a diameter of about 25 microns by an airflow ultrafine pulverizer.

[0044] (3) Add protein fine powder into 1-butyl-3-methylimidazolium chloride salt solution, stir and dissolve vigorously at 80°C for 140 minutes, and filter to obtain a regenerated protein solution wi...

Embodiment example 2

[0070] In this embodiment, the blended solution of regenerated protein chitosan is used as a raw material to prepare composite fibers by a dry-wet spinning process;

[0071] The regenerated protein chitosan blend solution is made from silk, animal hair and chitosan, and its preparation steps are as follows:

[0072] (1) Put the Na concentration of 0.5 into the silk under the boiling condition2 CO 3 Degumming in the solution, the amount of silk is 2.0% of the solution weight, degumming 3 times, 50 minutes each time, rinse with hot water 3 times after degumming, then dry at 60°C and cut into pieces.

[0073] (2) Blend the dried and shredded silk fibers and goat hair at a mass ratio of 1:5, and then pulverize them into protein fine powder with a diameter of about 5.0 microns through an airflow ultrafine pulverizer.

[0074] (3) Add protein fine powder to 1-butyl-3-methylimidazolium tetrafluoroborate aqueous solution, stir and dissolve vigorously at 100°C for 80 minutes, and filt...

Embodiment example 3

[0100] In this embodiment, the blended solution of regenerated protein chitosan is used as a raw material to prepare composite fibers by a dry-wet spinning process;

[0101] The regenerated protein chitosan blend solution is made from silk, animal hair and chitosan, and its preparation steps are as follows:

[0102] (1) Boil the silk into 0.5% Na 2 CO 3 Degumming in the solution, the amount of silk is 3.5% of the solution weight, degumming 3 times, 40 minutes each time, rinse with hot water 3 times after degumming, then dry at 70 ℃, cut into pieces.

[0103] (2) Blend the dried and shredded silk fiber and camel hair according to the mass ratio of 1:10, and then pulverize it into a protein fine powder with a diameter of about 2.0 microns through an airflow ultrafine pulverizer.

[0104] (3) Add protein fine powder into 1-ethyl-3-methylimidazole diethyl phosphate aqueous solution, stir and dissolve vigorously at 115°C for 100 minutes, and filter to obtain a regenerated protein...

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Abstract

The invention relates to a preparation method and a dry-wet spinning method of a regenerated protein chitosan blended solution. The preparation method comprises the steps of: carrying out ultrafine grinding on raw materials of leftovers of reeling silks and leftovers of animal coarse hairs such as goat hairs, pig hairs, camel hairs and wools, dissolving the crushed raw materials in an ionic liquid to obtain a regenerated protein solution with high molecular weight, and blending the regenerated protein solution with a chitosan liquid to obtain a spinning solution. The spinning solution is molded by using a dry-wet spinning technology, the structure uniformity and the orientation degree of fibers are enhanced through solidification and drafting, and the elongation and the elasticity of the fibers are improved through oxidation crosslinking. The regenerated protein chitosan blended fiber has high protein content, and has functions of bacteria resistance, moisture prevention and promotion of blood coagulation and wound healing; and all compositions in the fiber are in biomass states, have good biodegradability and biocompatibility and can be applied to textile fibers and biomedical materials.

Description

technical field [0001] The invention belongs to the field of regeneration and utilization of biomass resources, and relates to a method for preparing regenerated protein fibers containing chitosan, in particular to a regenerated protein fiber using a dry-wet spinning process. [0002] Preparation of white chitosan blend solution and dry-wet spinning method. Background technique [0003] Protein fibers have good moisture absorption and antistatic properties, and have good affinity with human skin. In recent years, soybean protein, milk protein and silkworm chrysalis protein fibers processed with protein have been marketed and have shown certain excellent properties. . However, the preparation of these protein fibers is obtained by copolymerization or blending of proteins and synthetic polymers such as polyvinyl alcohol, polyacrylonitrile, etc., and obtained by wet spinning. The protein content in the fibers is very low, generally no more than 15 %, the main component is sti...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D01F8/18D01F8/02D01F11/02D01F11/00D01D1/02D01D5/06D01D5/14D01D10/06
Inventor 赵振强
Owner 河南鼎大生物科技有限公司
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