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Method for preparing nano-fibers from animal wool

A nanofiber, animal hair technology, applied in fiber processing, fiber chemical characteristics, single-component protein rayon, etc., can solve the problems of poor stability of spinning dope, poor fiber quality, low keratin extraction rate, etc. Improve extraction rate and extraction quality, reduce oxidation, and mild effect of oxidation process

Active Publication Date: 2017-10-24
TIANJIN ZHONGZHI TECH DEV CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to overcome the deficiencies in the prior art, the present invention provides a method for preparing nanofibers from animal hair, which solves the problems of poor spinning stock solution stability, low keratin extraction rate and low fiber quality in existing animal hair nanofibers. bad question

Method used

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Embodiment 1

[0028] Preferred Embodiment 1 of the present invention provides a method for preparing nanofibers from animal hair, comprising the following steps:

[0029] Step [1]: Wash the raw wool several times with water to remove impurities, then use a centrifuge to dry it, and dry it for later use;

[0030] Step [2]: Grinding the above-mentioned dried raw hair to a size of 2mm through a hair grinder;

[0031] Step [3]: put the pulverized raw material wool into the pretreatment liquid, stir at 35°C for 10 minutes, filter, and wash with water until the pH value of the raw material wool is neutral;

[0032] Wherein, the pretreatment liquid is composed of components with the following concentrations: potassium hydrogen persulfate 750g / L, potassium hydroxide 12g / L, polyethylene glycol 37g / L, and the rest is water;

[0033] The weight ratio between the pretreatment liquid and the raw material hair is 8:1.

[0034] Step [4]: ​​Put the raw material wool processed in step [3] into the reducti...

Embodiment 2

[0038] Preferred embodiment 2 of the present invention provides a method for preparing nanofibers from animal hair, comprising the following steps:

[0039] Step [1]: Wash the raw wool several times with water to remove impurities, then use a centrifuge to dry it, and dry it for later use;

[0040] Step [2]: Grinding the above-mentioned dried raw hair to a size of 2mm through a hair grinder;

[0041] Step [3]: put the pulverized raw material wool into the pretreatment liquid, stir at 35°C for 10 minutes, filter, and wash with water until the pH value of the raw material wool is neutral;

[0042] Wherein, the pretreatment liquid is composed of components with the following concentrations: potassium hydrogen persulfate 750g / L, potassium hydroxide 12g / L, and the rest is water;

[0043] The weight ratio between the pretreatment liquid and the raw material hair is 8:1.

[0044] Step [4]: ​​Put the raw material wool processed in step [3] into the reduction treatment liquid (wherein,...

Embodiment 3

[0048] Preferred embodiment 3 of the present invention provides a method for preparing nanofibers from animal hair, comprising the following steps:

[0049] Step [1]: Wash the raw wool several times with water to remove impurities, then use a centrifuge to dry it, and dry it for later use;

[0050] Step [2]: Grinding the above-mentioned dried raw hair to a size of 2mm through a hair grinder;

[0051] Step [3]: put the pulverized raw material wool into the pretreatment liquid, stir at 35°C for 10 minutes, filter, and wash with water until the pH value of the raw material wool is neutral;

[0052] Wherein, the pretreatment liquid is composed of components with the following concentrations: potassium hydrogen persulfate 750g / L, potassium hydroxide 12g / L, polyethylene glycol 37g / L, and the rest is water;

[0053] The weight ratio between the pretreatment liquid and the raw material hair is 8:1.

[0054] Step [4]: ​​Put the raw material wool processed in step [3] into the reducti...

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Abstract

The invention provides a method for preparing nano-fibers from animal wool. The method comprises the following steps: washing raw material wool for several times by virtue of water so as to remove impurities, spin-drying the raw material wool by virtue of a centrifugal machine, and drying for later use; crushing the dried raw material wool by virtue of a hair crusher; putting the crushed raw material wool into pretreatment liquid for treatment; putting the raw material wool into reduction treatment liquid for treatment, so as to obtain keratin powder; dissolving the keratin powder into hexafluoroisopropanol, adding a certain amount of polyurethane, stirring at 20-25 DEG C for 10-15 minutes, adding a certain amount of epoxy acrylate, uniformly mixing, heating to 60-80 DEG C, and continuing to stir for 1 hour, so as to obtain a spinning solution; and carrying out electrostatic spinning by virtue of the obtain spinning solution. According to the method, the problems that a spinning raw solution of existing animal wool nano-fibers is poor in stability, the extraction rate of keratin is low, and the fiber forming quality is relatively poor are effectively solved.

Description

technical field [0001] The invention relates to the technical field of nanofiber preparation, in particular to a method for preparing nanofibers from animal hair. Background technique [0002] Animal fibers are also called protein fibers because their main constituents are proteins. Animal fibers are divided into three categories: animal hair and down, poultry down and feathers, and silk. The main source is artificially raised animals. [0003] There are many types of animal hair, the most important being sheep wool, referred to as wool. Wool is widely used to make various textiles and is also used for felting. In addition to wool, there are cashmere, rabbit hair, camel hair, yak hair and so on. Animal hair other than wool, sometimes collectively referred to as special animal hair, is also used to make textiles, which can be spun purely or blended with other fibers. In blending, using their unique luster, fineness and softness, the warmth retention and hand feeling of th...

Claims

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Application Information

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IPC IPC(8): D01F4/00D01D5/00C08H1/06
CPCC08H1/06D01D5/003D01F4/00
Inventor 崔建中
Owner TIANJIN ZHONGZHI TECH DEV CO LTD
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