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Dye of walnut green husk prepared by walnut green husk, its preparation method and method for dyeing fabric

A technology of walnut green skin and dyeing solution, which is applied in the direction of dyeing method, chemical instrument and method, application, etc., can solve the problems of undisclosed brown pigment dyeing wastewater, increase production cost, high energy consumption, etc., achieve strong color fastness and save production Cost, easy post-processing effects

Active Publication Date: 2012-06-27
常州云卿生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this microwave extraction method has a short extraction time, it has high energy consumption, and the use of nanofiltration membranes for solid-liquid separation further increases production costs.
[0009] In addition, none of the above-mentioned documents discloses the specific method of using the obtained brown pigment as a dye to dye fabrics, the treatment method of the residue left after the extraction of the pigment, and the treatment method of the wastewater generated after dyeing.

Method used

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  • Dye of walnut green husk prepared by walnut green husk, its preparation method and method for dyeing fabric
  • Dye of walnut green husk prepared by walnut green husk, its preparation method and method for dyeing fabric

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Embodiment 1）

[0052] The method for preparing walnut green husk dyestuff of the present embodiment and using it for dyeing may further comprise the steps:

[0053] ①Preparation of dechlorinated softened water: first pump tap water into a 50 cubic meter water storage tank, and let it stand in the water storage tank for 1 night (8-12 hours) for dechlorination; then pass the dechlorinated tap water through a water softener. Remove calcium and magnesium ions in the water to obtain dechlorinated softened water at normal temperature for use; the water softener used in this example is the automatic water softener of the CLSN-18-BL-DA model sold by Beijing Kelijie Water Treatment Engineering Co., Ltd. device.

[0054] ②Preparation of dechlorinated softened hot water: take a part of the dechlorinated softened water prepared in step ① and pass it into a solar water heater to heat it to 60-62°C; the hot water heated to 60-62°C is passed into a constant temperature hot water tank The medium heat prese...

Embodiment 2）

[0088] The rest of this embodiment is the same as embodiment 1, the difference is:

[0089] In step ①, in the process of treating tap water, after being treated by a water softener, the tap water is further passed into a water purifier for further purification treatment. The water purifier is Shanghai Lisheng Water Purification Equipment Co., Ltd. The water purifier of the LH3-8AD model produced by the company.

[0090] Use the demineralized water prepared in step 1 of this embodiment to wash, soak green skin, filter, concentrate, add ferrous sulfate to configure the white cotton cloth dyed with dye liquor, and the color of the white cotton cloth dyed is softer than that of the fabric dyed in Example 1; it is used for high-grade fabrics such as silk For dyeing, soaking water is preferably treated in three steps of dechlorination, softening and purification.

Embodiment 3）

[0092] The rest of this embodiment is the same as embodiment 1, the difference is:

[0093] In step ②, when heating the soaking water, the dechlorinated demineralized water is heated to 62-63° C. with a solar water heater;

[0094] In step ④, when soaking granular green walnut peels, the mass ratio of walnut green peels to water is 1:9, and the water temperature is maintained at 62 to 63° C. in the soaking tank, and the green walnut peels are soaked in water for 9 hours.

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Abstract

The present invention discloses a dye of walnut green husk prepared by walnut green husk, its preparation method and a method for dyeing fabric. The preparation method comprises the following steps dechlorinating the tap water and softening for next application; heating a part of dechlorination softened water to 60-65 DEG C; drying, crushing and cleaning the collected walnut peel; then putting the peels in warm water to soak for 8-12 hours according to mass ratio of 10.008-0.012 8-12 of the walnut peel to sodium hydroxide solid to water; moving the soaked solid-liquid mixture into a filter, collecting the filtrate; then placing the filtrate into a vacuum evaporator to concentrate, concentrating 10 parts of the filtrate to 2-5 parts; and then adding ferrous sulfate and sodium chloride into the concentrated solution to prepare the dye for dyeing. The steps of the present invention are easy to operate, and each indicator of the fabric dye accordance with the method is superior to the standard indicators of synthetic dyes for baby fabric.

Description

technical field [0001] The invention relates to a dye prepared from plants, a preparation method thereof and a method for dyeing fabric with the dye, in particular to a dye prepared from walnut green husks, a preparation method and a method for dyeing fabric with the dye. Background technique [0002] Dyes are substances that can color fibers and other materials and are generally divided into two categories: natural dyes and synthetic dyes. Natural dyes are divided into vegetable dyes and animal dyes. Synthetic dyes, also known as artificial dyes, are mainly fractionated from coal tar (or petroleum processing) and chemically processed. For synthetic dyes, the raw materials are petroleum and coal, which are consumed quickly and are difficult to regenerate. The production and use of synthetic dyes have certain environmental pollution, and the recovery rate of printing and dyeing wastewater of synthetic dyes is low and difficult to treat. For plant dyes, the raw materials are...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09B61/00D06P1/34C05F7/00
CPCY02A40/20Y02P20/133
Inventor 储力群
Owner 常州云卿生物科技有限公司
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