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Method for dyeing protein fiber and fabric thereof with natural dye extracted from grape seeds

A protein fiber and grape seed technology, applied in the dyeing of plant dyes, protein fiber and its fabrics, can solve the problems of insufficient oil resources, carcinogenicity, harmfulness to humans and the environment, etc.

Inactive Publication Date: 2011-05-18
JIANGNAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Over the past ten years, with the development of synthetic dyes and the strengthening of people's awareness of environmental protection and health, people have gradually discovered that some types of synthetic dyes are harmful to humans and the environment, and some are even carcinogenic. Oil resources are obviously insufficient

Method used

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Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment 1

[0013] Specific embodiment 1: direct dyeing method

[0014] Put the soaked and washed protein fiber fabric into the grape seed dye solution, the bath ratio is 30:1, the pH value of the dyeing bath is 3, the amount of grape seed dye is 2% (o.w.f), the dyeing is started at 30°C, and the heating rate is 2°C / min , heated up to 100°C, and kept warm for 80min. The dyed sample was washed with 0.5g / L neutral soaping agent at 30°C for 10 minutes, and then washed with clean water.

specific Embodiment 2

[0015] Specific embodiment 2: aluminum ion pre-mordanting dyeing method

[0016] Using normal temperature dyeing tester, water bath, etc., the protein fiber fabrics are pre-mordanted first. The mordant is aluminum ion mordant KAl(SO 4 ) 2 .12H 2 O, the dosage of mordant is 3% (o.w.f), the bath ratio is 25:1, the dyeing is started at 30°C, the heating rate is 2°C / min, the temperature is raised to 60°C, and the temperature is kept for 60min. Then, put the pre-mordanted protein fiber fabric into the grape seed dye solution, the bath ratio is 30:1, the pH value of the dyeing bath is 4, the grape seed dye dosage is 4% (o.w.f), the dyeing is started at 30°C, and the heating rate is 1°C / min, the temperature was raised to 90°C, and the temperature was kept for 70 min. The dyed sample was washed with 0.5g / L neutral soaping agent at 50°C for 30min, and then washed with clean water.

specific Embodiment 3

[0017] Specific embodiment 3: iron ion pre-mordanting dyeing method

[0018] The protein fiber fabrics are pre-mordanted by using a normal temperature dyeing test machine and a water bath. The mordant uses iron ion FeSO 4 ·7H 2 O, mordant dosage 1%, bath ratio 30:1, dyeing at 30°C, heating rate 2°C / min, heating to 40°C and keeping it warm for 40min. Put the pre-mordanted protein fiber fabric into the grape seed dye solution, the liquor ratio is 40:1, the pH value of the dyeing bath is 4, the grape seed dye dosage is 4% (o.w.f), the dyeing is started at 30°C, and the heating rate is 2°C / min. Raise the temperature to 100°C and keep it warm for 120min. The dyed sample was washed with 0.5g / L neutral soaping agent at 50°C for 30min, and then washed with clean water.

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Abstract

The invention relates to a method for dyeing with a dye extracted from a grape beverage and grape seeds as waste resources in wine industry processing, which is characterized in that a grape seed pigment solution is adopted to dye protein fiber fabrics such as wools, silks and the like with a directly dyeing method or an aluminium ion and iron ion pre-mordant dyeing method. A dyeing technology has the following parameters: the bath ratio of (25-50):1, a dye bath pH value of 3-5, the grape seed dosage of 1-6 percent (o.w.f), dyeing temperature of 30 DEG C, temperature rise rate of 1-3 DEG C / min, temperature rising to 80-100 DEG C and insulation time of 60-120min. The aluminium ion and iron ion pre-mordant dyeing method is characterized by comprising the following steps of, firstly, carrying out pre-mordant dyeing on the protein fiber fabrics by adopting aluminium ions and iron ions, and putting the protein fiber fabrics such as the wools, the silks and the like into a grape seed pigment dye bath to dye. Fabrics in different colors can be obtained by adopting different mordants. The invention can efficiently utilize grape seed waste resources and expand the application field of completely nontoxic grape seed pigments.

Description

technical field [0001] The invention relates to a dyeing method of plant dyes, in particular to a method for dyeing wool, silk and other protein fibers and their fabrics with natural dyes extracted from grape seeds, belonging to the field of natural dye dyeing. Background technique [0002] Natural pigments derived from animals and plants. Especially the natural pigments extracted from edible plants have high safety and natural color, and most of them have dual functions of nutrition, health care and coloring, so they are favored by people. my country has very rich grape resources. Large quantities of discarded grape seed residues are present in many grape beverage and winemaking industries. With 60%-95% ethanol aqueous solution as solvent, dark red-purple powder pigment can be obtained from grape seeds after extraction, filtration, vacuum concentration, spray drying and other procedures, which can make full use of waste resources. Grape seed pigment is usually used for c...

Claims

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Application Information

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IPC IPC(8): D06P1/34D06P3/04D06P3/14D06M11/00D06M101/12
Inventor 侯秀良陈欣子杨瑞玲刘启国高海燕
Owner JIANGNAN UNIV
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