Method for whitening and decoloring black human hair

A black and neutral protease technology, applied in the field of black human hair bleaching and decolorization, can solve the problems of excessive ammonia nitrogen content in discharged wastewater, difficult problems, and large amounts, and achieve the effects of improving whiteness, improving bleaching performance, and improving breaking ability.

Inactive Publication Date: 2018-07-06
ANHUI FORTUNE FASHION CULTURE
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to meet the needs of the international market and give wigs a variety of colors, it is necessary to bleach human hair. However, Asian hair has high and dark pigment content, and it is necessary to remove the existing pigment on the basis of maintaining the original quality of the hair. A large amount of melanin becomes a big problem
Chlorine-containing reagents are often used in the traditional hair scale peeling process, which will produce a large amount of absorbable organic halides, and the ammonia nitrogen content in the wastewater discharged from the bleaching process exceeds the standard

Method used

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Embodiment

[0022] Technical problem to be solved by the present invention adopts following technical scheme to realize:

[0023] A method for bleaching and decolorizing black human hair, characterized in that it proceeds in the following steps:

[0024] (1) Black human hair pretreatment process:

[0025] Clean the black human hair with detergent, soak it in water at 1:90, ultrasonically treat it at 40-42°C for 45min, and pretreat it with low-temperature plasma discharge for 30s at a vacuum of 75-100Pa;

[0026] (2) Bio-enzyme compound step-by-step peeling method:

[0027] Dissolve papain and neutral protease in phosphate buffer solution with a pH of 6-8, and then add the human hair pretreated in (1) to it in turn, and soak them at 40-42°C for 85 minutes respectively. wash with water;

[0028] (3) Complexation catalysis and permeation treatment process:

[0029] In a closed environment, put the human hair after scale removal in (2) into the catalytic treatment solution, raise the temp...

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Abstract

The invention discloses a method for whitening and decoloring black human hair. The method is characterized by comprising the following steps: cleaning black human hair through a detergent; adding water for soaking; preprocessing through ultrasonic wave; preprocessing by discharging through plasma under low temperature in a vacuum condition; correspondingly dissolving papain and neutral protease in a phosphate buffering solution; then sequentially adding the preprocessed human hair for correspondingly dipping; washing with clean water; transferring the scale-removed human hair into a catalyzing processing solution in a closed environment; increasing the temperature; taking out; washing with water; transferring into a penetrant solution; heating; adding catalase to a whitening solution; adding the human hair processed by coordination catalysis and penetrating; whitening in constant-temperature water bath; regulating the pH to be neutrality; taking out; washing with water; processing through a fluorescent whitening agent solution; washing with water; and drying through an air blasting drying box.

Description

technical field [0001] The invention relates to the field of hair product processing, in particular to a method for bleaching and decolorizing black human hair. Background technique [0002] In recent years, the demand for wigs in the international market has been increasing day by day. In order to avoid scalp allergies and improve the wearer's comfort and aesthetics, wigs made of human hair are more precious. It is understood that the quality of wigs made of Asian hair is better, because Asians have the custom of storing hair, and long hair is more convenient for weaving wigs of various specifications and styles. In order to meet the needs of the international market and give wigs a variety of colors, it is necessary to bleach human hair. However, Asian hair has high and dark pigment content, and it is necessary to remove the existing pigment on the basis of maintaining the original quality of the hair. A large amount of melanin becomes a big problem. Chlorine-containing ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06L4/40D06L4/75D06L4/13
CPCD06L4/13D06L4/40D06L4/75
Inventor 刘献
Owner ANHUI FORTUNE FASHION CULTURE
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