A method of dyeing with natural dyes

A technology of natural dyes and dyes, applied in the field of dye dyeing, can solve the problems such as the reduction of dye fixation, and achieve the effects of improving color fastness to rubbing, improving utilization rate, and improving color fastness to water

Active Publication Date: 2022-04-01
HUBEI HONGXIN CHEM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This treatment method is effective for synthetic dyes, but it is not suitable for natural dyes, mainly because natural dyes have strong water solubility. Transferred and dissolved in the fixative aqueous solution, resulting in a substantial reduction in the amount of dye fixation

Method used

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  • A method of dyeing with natural dyes
  • A method of dyeing with natural dyes

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Example 1: Comparison of dyeing methods

[0035] 0.06 g (3% o.m.f) gardenia yellow natural plant dye and 0.08 g (4% o.m.f) methylene double acrylamide chromoside monomer, dissolved in 3 ml (150% o.m.f) water, formulated into a high concentration Gardenia yellow natural plant dye - solid toner monomer solution.

[0036] Each 5 g of the surfactant Aeo-3 and the surfactant were orthodontically octanol, stirred to a uniform, formulated auxiliary solution. The solution of 2.5 g of the formulated auxiliary solution was taken to 100 ml, stirred to uniform, and prepared as a silicon-based auxiliary solution.

[0037] The silicon base aiding solution was added to the aforementioned 3 ml of a gardenlin natural plant dye-solid chromorative monomer solution until the total volume of the solution reached 40 mL, stirred to uniform, and the contamination was obtained.

[0038] 2 g of cotton cloth was immersed in 40 mL of dye (1:20 in the bath), 70 min was dipped at 90 ° C. After the dissip...

Embodiment 2-1

[0046] Example 2-1: Effect of moisture content

[0047] 0.06 g (3% o.m.f) gardenia yellow natural plant dye and 0.08 g (4% o.m.f) methylene double acrylamide solid chromoracic monomer, dissolved in 1 ml (50% o.m.f) water, formulated into a scorpion Yellow natural plant dye - solid toner monomer solution.

[0048] Each 5 g of the surfactant Aeo-3 and the surfactant were orthodontically octanol, stirred to a uniform, formulated auxiliary solution. The solution of 2.5 g of the formulated auxiliary solution was taken to 100 ml, stirred to uniform, and prepared as a silicon-based auxiliary solution.

[0049] The silicon base aiding solution was added to the aforementioned 1 ml of a gardenlin natural plant dye-solid chromothel monomer solution until the total volume of the solution reached 40 ml, stirred to uniform, and the contamination was obtained.

[0050] 2 g of cotton cloth was immersed in 40 mL of dye (1:20 in the bath), 70 min was dipped at 90 ° C. After the dissipation was comp...

Embodiment 2-2、2-3、2-4 and 2-5

[0052] Based on Example 2-1, 2 mL (100% o.m.f), 3 mL (150% o.m.f), 4 ml (200% O.M.F) and 5 mL (250% o.m.f) water were used to prepare a dye-solid monomer solution, Other conditions are unchanged. The k / s value of the dyed cotton is listed in Table 2.

[0053] Effect of Table 2 Moisture Content on the K / S value of the chromosome

[0054] Example 2-1 2-2 2-3 2-4 2-5 Water content (ml) 1 2 3 4 5 Water corresponding to the amount of fabric (O.M.F,%) 50 100 150 200 250 K / S value 6.67 7.44 7.99 7.63 7.46

[0055] Table 2 shows that as the moisture content increases, the K / S is first rising, and the maximum is reached when the water content is 150% o.m.f.

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Abstract

The invention belongs to the technical field of dye dyeing, and in particular relates to an industrial method for dyeing and fixing colors by using natural dyes. The invention integrates dyeing and color fixing into one step, specifically adding color fixing monomer directly into the silicon-based non-aqueous medium, and realizing color fixing in the baking step. Compared with the prior art, the dyeing process of the present invention is more simplified, and the dyeing production is cleaner, which can effectively increase the dye uptake of natural dyes in cellulose fibers, improve the utilization rate of dyes, and improve the color fastness to water and color fastness to rubbing. Simultaneously, the siloxanes in the method shown in the present invention are all environment-friendly chemical raw materials, and can be recycled; the overall water consumption of the dyeing method is very small, which effectively reduces the water consumption in the dyeing process, saves resources, saves costs, and improves product value.

Description

Technical field [0001] The present invention belongs to the field of dye staining, and in particular to an industrial method for dyeing solid color using a natural dye. Background technique [0002] Dyeing is an important part of the textile manufacturing process, and is also an indispensable process step that end consumers get a colorful textile. The artificial synthetic dyes are rich in color, bright, and the dyeing effect, and the solid color efficiency is a bit, and is the current mainstream textile dyeing means. However, in the 1980s, we found these artificial synthetic chemicals and human skin long-term contacts may trigger safety issues (reactive dyes caused by reactive dyes, translated, "translated," foreign medicine. Skin Periodology, 1989, 184); Recent studies have shown that artificial synthetic dyes even have a carcinogenic risk (research progress in the detection of cancer dye in textiles and problems, Luo Wei et al, "Textile Journal", 2013,34 (7 ), 154). In this con...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D06P1/34D06P3/60D06P1/649D06P1/651
CPCD06P1/34D06P3/60D06P1/6495D06P1/65106
Inventor 蔡映杰寇志成杨玉忠陈艾
Owner HUBEI HONGXIN CHEM CO LTD
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