CN102605644B - Method for applying walnut peel extracting solution in black wool dyeing - Google Patents

Method for applying walnut peel extracting solution in black wool dyeing Download PDF

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Publication number
CN102605644B
CN102605644B CN 201210073909 CN201210073909A CN102605644B CN 102605644 B CN102605644 B CN 102605644B CN 201210073909 CN201210073909 CN 201210073909 CN 201210073909 A CN201210073909 A CN 201210073909A CN 102605644 B CN102605644 B CN 102605644B
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wool
walnut
extract
dyeing
black
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CN 201210073909
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CN102605644A (en
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王全杰
任方萍
段宝荣
张萌萌
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Shandong Quanjie Leather Institute Co ltd
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SHANDONG QUANJIE LEATHER INSTITUTE Co Ltd
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Abstract

The invention provides a method for applying walnut peel extracting solution in black wool dyeing. Walnut peel powder is taken and placed into a container, solvent is added for extraction, and suction filtering is carried out to obtain filtrate; and then wool is dyed by adopting a pre-mordanting method, thus black wool is obtained. According to the invention, the walnut peel extracting solution is adopted, ferrite is taken as a mordanting agent to dye the wool, and black of the dyed wool is pure. Meanwhile, the mordanting agent exists, colour fastness and dyeing rate are greatly improved, waste of resource is effectively reduced, and the black wool has non-toxic pollution-free environmental protection effects.

Description

Utilize walnut peel extract that wool is dyed method for black
Technical field
The present invention relates to the method that a Plant Extracts dyes to wool, the method for specifically dying the black wool with green peel of walnut water extraction liquid.
Background technology
Chemical dye is applied to the dyeing of all kinds of textile fibers, for the mankind provide riotous with colour fabric, clothes, but chemical dye mainly is as raw material take the primary chemical material out of fractionation from coal tar or petroleum derivative, under High Temperature High Pressure, carry out the number of chemical reaction and be prepared from, in its production process, can produce many carcinogens.These poisonous or environmentally harmful materials produce and use procedure in understand unavoidably and be come down in torrents in river, pond or evaporate in the air, to environment, some also can make the people suffer from skin disease, and human body is damaged.Therefore, on July 15th, 1994, German Government is first with the legislation form, promulgated to forbid producing, use and sell to contain and can decomposite with benzidine and plant the decree of the dyestuff of carcinogenic aromatic amine compounds as more than 20 of representative, and other countries are one after another response also.Avoid producing, using the forbidding dyestuff and seek its substitute and become irresistible trend.
Summary of the invention
Technical problem to be solved by this invention is, the application process of a kind of green peel of walnut extract in black is woolen dyed is provided,
Utilize the green peel of walnut extract, with FeSO 4.7H 2O is mordant, and wool is dyed black, provides a kind of approach for producing Green Textiles.
Technical scheme of the present invention is as follows:
A kind of method of dying the black wool with walnut peel extract is characterized in that adopting following steps:
(1), preparation green peel of walnut extract: take by weighing green peel of walnut powder 50~100g and place container, add 500~1000ml solvent, in 40~90 ℃ of lower water-bath extraction 12~24h, get extract, the filtrate that suction filtration obtains is the green peel of walnut extract; Wherein solvent for use is distilled water, methyl alcohol, absolute ethyl alcohol or the mixture of two or more arbitrary proportions wherein;
(2), dyeing: with the FeSO of 0.5~5.0g wool and wool weight 4~12% 4.7H 2The O mordant places 40ml distilled water, takes out behind 30~50 ℃ of lower mordant dyeing 30~60min;
(3), wool after (2) mordant dyeing that obtains of step is put in the dye bath that the pyrogallic acid by the green peel of walnut extract of 20~60ml step (1) preparation and wool weight 1~6% is made into, regulating dye bath pH is 4~6, then be warming up to 50~85 ℃, stir lower dyeing 10~70min.
FeSO 4.7H 2The preferable amount of O is 8% of wool weight.
In (1) step, the wool mordant dyeing time is preferably 30min; In (2) step, dyeing time is preferably 70min.
In (1) step, the mordant dyeing temperature is preferably 40 ℃; In (2) step, dyeing temperature is preferably 70 ℃.
In (3) step, green peel of walnut extract consumption is preferably 30ml, and the pyrogallic acid consumption is preferably 4% of wool weight.
In (3) step, dye bath pH is preferably 5.5.
Good effect of the present invention is:
Vegetable colour is the pigment that extracts the root, stem, leaf, flower from plant etc., derive from plant fully, have the advantage that synthetic dyestuffs can't be reached, as nontoxic pollution-free, with good, the soft nature of color of Environmental compatibility, and some also has medical care effect, and is better with the human body compatibility.Simultaneously, wool belongs to natural protein fibre, also can be referred to as green fiber, and it has the advantages such as good springiness, hygroscopicity is strong, warmth retention property good, gloss is soft, is one of most important raw material of textile industry.Utilizing vegetable colour that wool fabric is dyeed is the good approach of developing green textiles.
The present invention adopts the green peel of walnut extract, wool is dyeed as mordant with ferrous salt, and the wool black that dyes is comparatively pure.Because the existence of mordant has improved COLOR FASTNESS and the dye-uptake of dyeing greatly, effectively reduce the waste of resource simultaneously, also had simultaneously the environmental-protection function of nontoxic pollution-free.
The specific embodiment
The present invention is further elaborated below in conjunction with embodiment:
Embodiment 1
(1), preparation green peel of walnut extract: take by weighing green peel of walnut powder 50 and place container, add 1000ml methyl alcohol, in 40 ℃ of lower water-bath extraction 12h, get extract, the filtrate that suction filtration obtains is the green peel of walnut extract.
(2), dyeing: with the FeSO of 2.0g wool and wool weight 4% 4.7H 2The O mordant places 40ml distilled water, takes out behind 50 ℃ of lower mordant dyeing 60min;
(3), wool after (2) mordant dyeing that obtains of step is put in the dye bath that the pyrogallic acid by the green peel of walnut extract of 20ml step (1) preparation and wool weight 6% is made into, regulating dye bath pH is 4, then be warming up to 50 ℃, stir lower dyeing 10min.
(4), take out wool, with the cold water flushing, dry.
Embodiment 2
(1), take by weighing 60g green peel of walnut powder, add water 600ml distilled water in 65 ℃ of lower water-baths extraction 18h, suction filtration gets filtrate.
(2), dyeing: with the FeSO of 2.0g wool and wool weight 8% 4.7H 2The O mordant places 40ml distilled water, takes out behind 40 ℃ of lower mordant dyeing 40min;
(3), wool after (2) mordant dyeing that obtains of step is put in the dye bath that the pyrogallic acid by the green peel of walnut extract of 30ml step (1) preparation and wool weight 4% is made into, regulating dye bath pH is 5.5, then be warming up to 70 ℃, stir lower dyeing 60min.
(4), take out wool, with the cold water flushing, dry.
Embodiment 3
(1), preparation green peel of walnut extract: take by weighing green peel of walnut powder 100g and place container, add the 500ml absolute ethyl alcohol, in 90 ℃ of lower water-bath extraction 24h, get extract, the filtrate that suction filtration obtains is the green peel of walnut extract.
(2), dyeing: with the FeSO of 2.0g wool and wool weight 12% 4.7H 2The O mordant places 40ml distilled water, takes out behind 50 ℃ of lower mordant dyeing 30min;
(3), wool after (2) mordant dyeing that obtains of step is put in the dye bath that the pyrogallic acid by the green peel of walnut extract of 60ml step (1) preparation and wool weight 1% is made into, regulating dye bath pH is 6, then be warming up to 85 ℃, stir lower dyeing 10min.
(4), take out wool, with the cold water flushing, dry.
Embodiment 4(Comparative Examples)
(1), dyeing: with the FeSO of 2.0g wool and wool weight 8% 4.7H 2The O mordant places 40ml distilled water, takes out behind 40 ℃ of lower mordant dyeing 40min;
(2), wool after (2) mordant dyeing that obtains of step is put in the dye bath that the pyrogallic acid by 30ml water and wool weight 4% is made into, regulating dye bath pH is 5.5, then is warming up to 70 ℃, stirs lower dyeing 60min.
(3), take out wool, with the cold water flushing, dry.
Table 1 is dye-uptake, L value, the △ E correction data of the black wool that dyes of above four embodiment.
Table 1
? Dye-uptake (%) L △E
Embodiment 1 42.15 16.56 45.87
Embodiment 2 48.98 14.89 47.97
Embodiment 3 43.18 15.23 46.11
Embodiment 4 39.79 33.27 34.53
As can be seen from Table 1: adopt embodiment 2 methods wool can be dyed pure black, dye-uptake is that 41.98%, L value is 14.89, and color is black, and △ E is 47.97, and dye level is the darkest.

Claims (6)

1. one kind is utilized walnut peel extract that wool is dyed method for black, it is characterized in that adopting following steps:
(1), preparation green peel of walnut extract: take by weighing green peel of walnut powder 50~100g and place container, add 500~1000ml solvent, in 40~90 ℃ of lower water-bath extraction 12~24h, get extract, the filtrate that suction filtration obtains is the green peel of walnut extract; Wherein solvent for use is distilled water, methyl alcohol, absolute ethyl alcohol or the mixture of two or more arbitrary proportions wherein;
(2), dyeing: with the FeSO of 0.5~5.0g wool and wool weight 4~12% 47H 2The O mordant places 40ml distilled water, takes out behind 30~50 ℃ of lower mordant dyeing 30~60min;
(3), wool after (2) mordant dyeing that obtains of step is put in the dye bath that the pyrogallic acid by the green peel of walnut extract of 20~60ml step (1) preparation and wool weight 1~6% is made into, regulating dye bath pH is 4~6, then be warming up to 50~85 ℃, stir lower dyeing 10~70min.
2. the walnut peel extract that utilizes described in according to claim 1 dyes method for black with wool, it is characterized in that: FeSO 47H 2The consumption of O is 8% of wool weight.
3. the walnut peel extract that utilizes described in according to claim 1 dyes method for black with wool, and it is characterized in that: in (2) step, the wool mordant dyeing time is 30min; In (3) step, dyeing time is 70min.
4. the walnut peel extract that utilizes described in according to claim 1 dyes method for black with wool, and it is characterized in that: in (2) step, the mordant dyeing temperature is 40 ℃; In (3) step, dyeing temperature is 70 ℃.
5. the walnut peel extract that utilizes described in according to claim 1 dyes method for black with wool, and it is characterized in that: in (3) step, green peel of walnut extract consumption is 30ml, and the pyrogallic acid consumption is 4% of wool weight.
6. the walnut peel extract that utilizes described in according to claim 1 dyes method for black with wool, and it is characterized in that: in (3) step, dye bath pH is 5.5.
CN 201210073909 2012-03-20 2012-03-20 Method for applying walnut peel extracting solution in black wool dyeing Expired - Fee Related CN102605644B (en)

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CN105133380A (en) * 2015-10-19 2015-12-09 新疆大学 Method for extracting pigment from walnut green hulls through subcritical water and using pigment for dyeing
CN114134728B (en) * 2021-11-16 2023-08-18 西北农林科技大学 Preparation method of ox leather with dyeing head layer on walnut green seedcase dye liquor

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DE102005061727A1 (en) * 2005-12-21 2007-06-28 Henkel Kgaa Tinting agent based on plant dyes
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CN102153883B (en) * 2011-03-02 2013-12-25 上海交通大学 Preparation and application of wool dye prepared by walnut plant
CN102172937B (en) * 2011-03-03 2013-09-04 董超萍 Method for dyeing bamboo chip by walnut skin plant dye

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