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Method for dyeing fabric by using natural blue pigment

A fabric dyeing and blue pigment technology, which is applied in the field of natural blue pigment extraction and dyeing, can solve the problems of biology troubled scholars, etc., and achieve the effects of easy operation and implementation, good color fastness to rubbing, and easy industrial production

Active Publication Date: 2017-03-15
JIAXING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In the past, there have always been certain limitations in the extraction of pigments from animals and plants. However, at present, with the discovery of a large number of blue pigment-producing microorganisms and the continuous deepening of research on microbial genetics and breeding, various difficulties that have plagued scholars in biology have been solved. However, there are still many unsolved problems that require further research and discovery

Method used

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  • Method for dyeing fabric by using natural blue pigment
  • Method for dyeing fabric by using natural blue pigment
  • Method for dyeing fabric by using natural blue pigment

Examples

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Embodiment 1

[0045] 1. Dyeing of fabric with natural blue pigment

[0046] 1. Medium

[0047] Activation medium: soluble starch 20g, NaCl 0.5g, KNO 3 1g, K 2 HPO 4 0.5g, FeSO 4 0.01g, MgSO 4 0.5g, 20g agar, add water to make 1000ml, adjust pH to 7.2~7.4.

[0048] Fermentation medium: 20g soluble starch, 0.5g NaCl, KNO 3 1g, K 2 HPO 4 0.5g, FeSO 4 0.01g, MgSO 4 0.5g, 20g agar, add water to make 1000ml, adjust pH to 7.2~7.4.

[0049] 2. Culture of actinomycetes

[0050]Prepare the activation medium, pour the plates and test tubes after sterilization, take the strains preserved in the laboratory, streak them, place them in a constant temperature incubator, activate them at 37°C for 4 days, and obtain the activated strains. The bacterial classification adopts the natural blue pigment-producing actinomycetes (Jx-blue1), specifically adopts the Streptomyces lividans disclosed in the Chinese patent application whose application publication number is CN103602615A (the applicati...

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Abstract

The invention discloses a method for dyeing a fabric by using natural blue pigment. The method for dyeing the fabric by using the natural blue pigment includes following steps: using strains for fermenting the blue pigment, obtaining fermentation liquor, and then extracting the blue pigment so as to obtain blue pigment powder; preparing dye liquor from the blue pigment powder and water, raising temperature of the dye liquor to 35-45 DEG C, placing the fabric in the dye liquor, keeping the fabric in the dye liquor for 10-20min, and then adding sodium chloride, keeping for 10-20min, and next heating the dye liquor to 75-85 DEG C by using temperature of 0.5-5 DEG C, adding sodium carbonate, keeping temperature for 30-60min at temperature of 75-85 DEG C, and then cooling the fabric, and finally completing dyeing of the fabric after washing the fabric with cool water and drying the fabric. The method for dyeing the fabric by using the natural blue pigment extracts the blue pigment, uses the blue pigment as natural pigment obtained through microbial fermentation, and endows the pure cotton fabric with antibacterial performance in dyeing, and the fabric is bright and colorful in color, and has good color fastness to rubbing. The dyeing method is easy to operate and implement, facilitates industrial production, and has a wide application prospect.

Description

technical field [0001] The invention relates to the field of extraction and dyeing of natural blue pigments, in particular to a method for dyeing fabrics with natural blue pigments. Background technique [0002] In recent years, due to the influence of environmental problems and energy problems, people tend to pursue sustainable, environmentally friendly and beneficial methods to prepare dyes. The development of natural dyes is the general trend of the development of applied dyes in the world. Natural dyes refer to dyes obtained from plants, animals or mineral resources with little or no chemical processing. Many natural dyes are safe, reliable, natural in color, and close to natural substances. Etc. [0003] With the development of the economy and the progress of the society, people's requirements for a healthy life are gradually increasing, making the use of natural pigments to replace artificial pigments has become the development trend of the food and cosmetics industry...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06P1/34D06P3/60C12P1/00C12R1/465
CPCC12P1/00C12N1/205C12R2001/465D06P1/34D06P3/60
Inventor 王玉洁徐涛周子龙刘晓侠尤忠毓
Owner JIAXING UNIV
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