Indigo dye and preparation method thereof

A dye, indigo technology, applied in the field of dye preparation, can solve the problems of low utilization rate of raw materials, unsatisfactory dyeing effect, fast consumption, etc., achieves obvious layering and three-dimensional effect, maintains color and fragrance for a long time, and improves utilization. rate effect

Inactive Publication Date: 2017-12-01
贵州文昌蓝靛有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Nowadays, the invention of chemical dyes has greatly improved the dyeing efficiency, but it is easy to cause environmental pollution problems. At the same time, chemical dyes are petroleum and coal, which are consumed quickly and cannot be regenerated in a short time. These problems can be avoided by using plant dyes; while traditional indigo dyes In the preparation process, the utilization rate of raw materials is not high, which easily leads to a shortage of raw materials, and the dyeing effect of the prepared dye is not ideal, and its layering and three-dimensional effect are poor, and the dyed fabric is prone to fading after a period of time

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Formula: Lonicera caerulea 40kg, quicklime 20kg, sodium hydroxide 5kg, plant ash 6kg, additive 2kg, stabilizer 0.5kg, water 80kg;

[0021] Preparation method: (1) Soaking: pick Lonicera caerulea, remove impurities and wash it, put it in a soaking tank, add water and soak in an environment with a temperature of 5°C for 7 days, heat the water temperature to 70°C, and perform constant temperature control, continue Soak for 1h;

[0022] (2) Mixing: After soaking, when the water temperature drops to normal temperature, filter with 600 mesh screen, add quicklime and sodium hydroxide to the obtained filtrate, put it in a mixer with a speed of 120r / min for 20 minutes, and then mix the plant ash, Add the additives and stabilizers one by one, use a mixer with a speed of 300r / min for 5 minutes, and control the temperature to 60°C during the mixing process to obtain the primary dye;

[0023] (3) Purification: Purify the obtained primary dye using AB-8 macroporous resin;

[0024] (4) Dryin...

Embodiment 2

[0029] Formula: Lonicera caerulea 60kg, quicklime 30kg, sodium hydroxide 10kg, plant ash 10kg, additive 4kg, stabilizer 1.5kg, water 100kg;

[0030] Preparation method: (1) Soaking: pick Lonicera caerulea, remove impurities and wash it, put it in a soaking tank, add water and soak in an environment with a temperature of 10°C for 10 days, heat the water to 80°C, and perform constant temperature control, continue Soak for 3h;

[0031] (2) Mixing: After soaking, when the water temperature drops to room temperature, filter with 800 mesh screen, add quicklime and sodium hydroxide to the obtained filtrate, and put it into a mixer with a speed of 180r / min for 30 minutes, and then the plant ash, Add the additives and stabilizers one by one, use a mixer with a speed of 400r / min for 10 minutes, and control the temperature to 70°C during the mixing process to obtain the primary dye;

[0032] (3) Purification: Purify the obtained primary dye using AB-8 macroporous resin;

[0033] (4) Drying: Con...

Embodiment 3

[0038] Formula: Lonicera caerulea 55kg, quicklime 23kg, sodium hydroxide 8kg, plant ash 9kg, additive 3kg, stabilizer 1.2kg, water 93kg;

[0039] Preparation method: (1) Soaking: pick Lonicera caerulea, remove impurities and wash it, put it in a soaking tank, add water and soak in an environment with a temperature of 8℃ for 8 days, heat the water temperature to 75℃, and perform constant temperature control, continue Soak for 2h;

[0040] (2) Mixing: After the soaking is finished, when the water temperature drops to room temperature, filter with 700 mesh screen, add quicklime and sodium hydroxide to the obtained filtrate, put it into a mixer with a speed of 150r / min for 25min, and then mix the plant ash, Add the additives and stabilizers one by one, use a mixer with a speed of 350r / min for 9min, and control the temperature to 65°C during the mixing process to obtain the primary dye;

[0041] (3) Purification: Purify the obtained primary dye using AB-8 macroporous resin;

[0042] (4) D...

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PUM

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Abstract

The invention belongs to the technical field of dye preparation, and particularly provides indigo dye and a preparation method thereof. Bluegrass, quick lime, sodium hydroxide, plant ash, an additive, a stabilizer and water are taken as raw materials, chromosin in the bluegrass is sufficiently dissolved out through design of raw material ratio and combination of regulation and control for technological parameters, the utilization rate of the bluegrass is increased, meanwhile, when the prepared dye is applied to cloth dyeing, layering sense and stereoscopic effect of the dye are remarkable, color, luster and aroma can be kept for a long time, furthermore, the indigo dye has insect-preventing and germ-killing functions, and the dye is processed to be powdery, so that transportation, storage and production are facilitated.

Description

Technical field [0001] The invention belongs to the technical field of dye preparation, in particular to a blue indigo dye and a preparation method thereof. Background technique [0002] Horse blue, commonly known as blue grass or Lonicera edulis in southwestern my country, is a perennial herb with opposite leaves. When dry, the leaves are black and green. The leaves are oval-shaped and have lavender flowers. The leaves are processed into Lonicera edulis. It is used as a dye. In the Miao Township of Guizhou region, almost every household has a small piece of land and a few dyeing vats. In some areas, there are indigo garments for planting indigo. [0003] Nowadays, the invention of chemical dyes has greatly improved dyeing efficiency, but it is easy to cause environmental pollution. At the same time, chemical dyes are petroleum and coal, which are fast consumed and cannot be regenerated in a short time. The use of vegetable dyes can avoid these problems; while traditional indigo dye...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09B61/00C09B67/54D06P1/22
CPCC09B61/00C09B67/0078C09B67/0096D06P1/228
Inventor 王文昌
Owner 贵州文昌蓝靛有限公司
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