CN115467178A - Fading treatment method for leftover materials of spandex-containing waste cloth - Google Patents
Fading treatment method for leftover materials of spandex-containing waste cloth Download PDFInfo
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- CN115467178A CN115467178A CN202211157015.XA CN202211157015A CN115467178A CN 115467178 A CN115467178 A CN 115467178A CN 202211157015 A CN202211157015 A CN 202211157015A CN 115467178 A CN115467178 A CN 115467178A
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- China
- Prior art keywords
- fading
- cloth
- spandex
- containing waste
- liquid
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Classifications
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/13—Fugitive dyeing or stripping dyes
- D06P5/131—Fugitive dyeing or stripping dyes with acids or bases
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/13—Fugitive dyeing or stripping dyes
- D06P5/132—Fugitive dyeing or stripping dyes with oxidants
Abstract
The invention provides a fading treatment method for leftover materials of spandex-containing waste cloth, and relates to the field of waste cloth recovery. The method for fading the leftover materials of the spandex-containing waste cloth comprises the following steps of S1: preparing a fading liquid, and S2: putting spandex-containing waste cloth and leftover materials into a washing machine, adding clear water, washing, and drying by using a dryer, S3: putting the dried cloth into a fading tank, adding the prepared fading liquid, heating, soaking and starting fading by adopting strong light irradiation, and S4: arranging a mangle roller beside the fading pool, enabling the faded cloth to pass through the mangle roller, extruding fading liquid, and S5: and putting the cloth into the washing machine again, adding clear water for cleaning, and detecting the fading degree. By adopting a soaking and heating method and assisting with strong illumination, the fading liquid and the pigment of the cloth are fully reacted, the fading efficiency can be greatly improved, meanwhile, the fading liquid does not contain strong oxide, the spandex cannot be damaged, and the fading quality is ensured.
Description
Technical Field
The invention relates to the field of waste cloth recovery, in particular to a fading treatment method for leftover materials of spandex-containing waste cloth.
Background
China is a world wide country for textile production and use, the garment industry can produce a large amount of cloth corner rim charge as a raw material for producing regenerated fibers, the cloth corner rim charge is low in price and rich in source, the cloth corner rim charge is subjected to harmless treatment and then recycled, the aim of protecting the environment can be achieved, remarkable effect can be obtained economically, and a plurality of manufacturers can recover waste cloth and rim charge domestically.
The method has the advantages that after waste cloth is recycled, fading treatment is generally needed, subsequent processing is convenient, the existing common fading method adopts a strong oxidant or a strong bleaching agent to fade, the fading effect is excellent, but the defects exist, firstly, when the cloth containing spandex fibers fades, the spandex fibers are easy to turn yellow, the strength of the fibers in the spandex fibers is reduced, the elasticity of the cloth is influenced, secondly, the fading process is slow, the efficiency is low, and the faded cloth is not inspected, so that the fading quality is influenced.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a method for processing the fading of leftover materials of spandex-containing waste cloth, which solves the problems of poor comprehensiveness of inspection, inconvenience in use and low precision.
In order to achieve the purpose, the invention is realized by the following technical scheme: a fading treatment method for leftover materials of spandex-containing waste cloth comprises the following steps:
s1: preparing a fading liquid;
s2: putting spandex-containing waste cloth and leftover materials into a washing machine, adding clear water for cleaning, and drying by using a dryer;
s3: putting the dried cloth into a fading tank, adding the prepared fading liquid, heating, soaking and starting fading by adopting strong light irradiation;
s4: arranging a mangle roller beside the fading pool, and extruding fading liquid by passing the faded cloth through the mangle roller;
s5: and (4) putting the cloth into the washing machine again, adding clear water, washing, and detecting the fading degree.
Preferably, the fading liquid in the step S1 is composed of, by weight, 10-12 parts of oxalic acid, 6-8 parts of boric acid, 8-10 parts of a chlorine bleaching agent, 2-5 parts of ethanol, 30-40 parts of deionized water, and 2-3 parts of a preservative, wherein the oxalic acid and the boric acid are diluted by the deionized water, then the chlorine bleaching agent is added, mixed and stirred, and finally the ethanol is added for dilution.
Preferably, in step S5, the method for detecting the degree of fading is a color inspection method, after step S2 is finished, one or more of whiteness, reflectance and chromaticity of the dried fabric is inspected, and after step S5 is finished, one or more of whiteness, reflectance and chromaticity of the fabric is inspected again, and the rate of change is calculated.
Preferably, in the step S3, the soaking time is controlled to be 80-100min, the heating temperature is controlled to be 200-220 ℃ for the first 10-15min, then the temperature is gradually reduced, and finally the temperature is controlled to be 40-50 ℃ and the illumination intensity is 8-10wlx.
The invention provides a fading treatment method for leftover materials of spandex-containing waste cloth. The method has the following beneficial effects:
1. in the fading method, the fading liquid does not contain strong oxide, can not damage spandex fibers in the cloth, can not influence the elasticity and the strength of the cloth, and simultaneously adopts deionized water to dilute oxalic acid and boric acid, adds a parachloro bleaching agent and finally adopts ethanol to dilute, so that the fading liquid still has a high-efficiency fading effect, protects the cloth and simultaneously ensures the fading quality.
2. The invention adopts a soaking and heating method to enable the fading liquid to fully react with the pigment of the cloth, thereby greatly improving the fading efficiency, simultaneously adopts strong light to assist, enables the spandex fiber in the cloth to be exposed under the strong light to more quickly complete the fading process, and finally adopts a contrast method to compare the fading effect, thereby further ensuring the fading quality.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment is as follows:
the embodiment of the invention provides a fading treatment method for leftover materials of spandex-containing waste cloth, which comprises the following steps of:
s1: preparing a fading liquid;
s2: putting spandex-containing waste cloth and leftover materials into a washing machine, adding clear water for cleaning, and drying by using a dryer;
s3: placing the dried cloth into a fading tank, adding the prepared fading liquid, heating, soaking and starting fading by adopting strong light irradiation;
s4: arranging a squeezing roller beside the fading pool, and extruding fading liquid by passing the faded cloth through the squeezing roller;
s5: and putting the cloth into the washing machine again, adding clear water for cleaning, and detecting the fading degree.
In the embodiment, the fading liquid in the step S1 is composed of, by weight, 10-12 parts of oxalic acid, 6-8 parts of boric acid, 8-10 parts of chlorine bleach, 2-5 parts of ethanol, 30-40 parts of deionized water, and 2-3 parts of preservative, wherein the oxalic acid and the boric acid are diluted by the deionized water, then the chlorine bleach is added for mixing and stirring, and finally the ethanol is added for dilution, so that the fading liquid does not contain strong oxide, does not damage spandex fibers in the fabric, and does not affect the elasticity and strength of the fabric.
Further, in step S5, the method for detecting the degree of fading is a color inspection method, after step S2 is finished, one or more of whiteness, reflectance and chromaticity of the dried fabric is inspected, after step S5 is finished, one or more of whiteness, reflectance and chromaticity of the fabric is inspected again, and the rate of change is calculated.
Specifically, in step S2, the dried fabric is inspected for whiteness, reflectance and chromaticity measurements, and numerical whiteness A1, reflectance B1 and chromaticity C1 are recorded, and in step S5, the fabric is inspected for whiteness, reflectance and chromaticity measurements, and numerical whiteness A2, reflectance B2 and chromaticity C2 are recorded, so that the whiteness difference a = A2-A1, the reflectance difference B = B2-B1 and the chromaticity difference C = C2-C1, and the percentages of the differences and the original data, that is, the whiteness change ratio (a/A1) × 100%, the reflectance change ratio (B/B1) × 100% and the chromaticity change ratio (C/C1) × 100%, are calculated, and the fading condition of the fabric can be visually represented through the whiteness change ratio, the reflectance change ratio and the chromaticity change ratio.
Further, in step S3, the soaking time is controlled to be 80-100min, the heating temperature is controlled to be 200-220 ℃ for the first 10-15min, then the temperature is gradually reduced, the temperature is finally controlled to be 40-50 ℃, and the illumination intensity is 8-10wlx, so that the fading liquid and the pigment of the cloth are fully reacted, the fading efficiency can be greatly improved, and meanwhile, strong illumination is adopted for assistance, so that the spandex fiber in the cloth is exposed under strong light to more quickly finish the fading process.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A fading treatment method for leftover materials of spandex-containing waste cloth is characterized by comprising the following steps:
s1: preparing a fading liquid;
s2: putting spandex-containing waste cloth and leftover materials into a washing machine, adding clear water for cleaning, and drying by using a dryer;
s3: placing the dried cloth into a fading tank, adding the prepared fading liquid, heating, soaking and starting fading by adopting strong light irradiation;
s4: arranging a squeezing roller beside the fading pool, and extruding fading liquid by passing the faded cloth through the squeezing roller;
s5: and putting the cloth into the washing machine again, adding clear water for cleaning, and detecting the fading degree.
2. The method for fading the leftover bits and pieces of spandex-containing waste cloth according to claim 1, wherein the method comprises the following steps: the fading liquid in the step S1 comprises, by weight, 10-12 parts of oxalic acid, 6-8 parts of boric acid, 8-10 parts of chlorine bleaching agent, 2-5 parts of ethanol, 30-40 parts of deionized water and 2-3 parts of preservative, wherein the oxalic acid and the boric acid are diluted by the deionized water, then the chlorine bleaching agent is added, mixed and stirred, and finally the ethanol is added for dilution.
3. The method for fading the leftover materials of the spandex-containing waste cloth according to claim 1, wherein the method comprises the following steps: in the step S5, the method for detecting the degree of fading is a color inspection method, after the step S2 is finished, one or more of whiteness, reflectance and chromaticity of the dried fabric are inspected, after the step S5 is finished, one or more of whiteness, reflectance and chromaticity of the fabric are inspected again, and the rate of change is calculated.
4. The method for fading the leftover bits and pieces of spandex-containing waste cloth according to claim 1, wherein the method comprises the following steps: in the step S3, the soaking time is controlled to be 80-100min, the heating temperature is controlled to be 200-220 ℃ for the first 10-15min, then the temperature is gradually reduced, finally the temperature is controlled to be 40-50 ℃, and the illumination intensity is 8-10wlx.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211157015.XA CN115467178A (en) | 2022-09-21 | 2022-09-21 | Fading treatment method for leftover materials of spandex-containing waste cloth |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211157015.XA CN115467178A (en) | 2022-09-21 | 2022-09-21 | Fading treatment method for leftover materials of spandex-containing waste cloth |
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| CN115467178A true CN115467178A (en) | 2022-12-13 |
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| CN202211157015.XA Pending CN115467178A (en) | 2022-09-21 | 2022-09-21 | Fading treatment method for leftover materials of spandex-containing waste cloth |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1251126A (en) * | 1997-01-24 | 2000-04-19 | 普罗格特-甘布尔公司 | Photobleaching compositions effective on dingy fabric |
| JP2003176419A (en) * | 2001-08-21 | 2003-06-24 | Fuji Photo Film Co Ltd | Thermoresponsively fading colored composition and thermoresponsively fading colored element using the same, and method for detecting thermal history |
| CN1993518A (en) * | 2004-06-08 | 2007-07-04 | 日本制纸株式会社 | Pulp bleaching processes |
| CN102703254A (en) * | 2012-06-11 | 2012-10-03 | 欧美龙（南通）重防腐涂料有限公司 | Fading lotion |
| CN104594011A (en) * | 2013-11-01 | 2015-05-06 | 青岛鑫益发工贸有限公司 | Environmentally friendly post-treatment washing technology of jean |
| CN107059288A (en) * | 2017-04-26 | 2017-08-18 | 上海亿朋服饰有限公司 | A kind of fabric shrinks in advance, fade washing formula and washing methods |
| CN107740261A (en) * | 2017-11-16 | 2018-02-27 | 河南工程学院 | A kind of method for bleaching of soybean fiber |
| CN110396813A (en) * | 2019-06-23 | 2019-11-01 | 曲兴辉 | A kind of cowboy's leftover cloth bleaching process |
| CN115074988A (en) * | 2022-06-29 | 2022-09-20 | 江西给力纺织有限公司 | Waste cloth leftover material fading treatment method |
-
2022
- 2022-09-21 CN CN202211157015.XA patent/CN115467178A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1251126A (en) * | 1997-01-24 | 2000-04-19 | 普罗格特-甘布尔公司 | Photobleaching compositions effective on dingy fabric |
| JP2003176419A (en) * | 2001-08-21 | 2003-06-24 | Fuji Photo Film Co Ltd | Thermoresponsively fading colored composition and thermoresponsively fading colored element using the same, and method for detecting thermal history |
| CN1993518A (en) * | 2004-06-08 | 2007-07-04 | 日本制纸株式会社 | Pulp bleaching processes |
| CN102703254A (en) * | 2012-06-11 | 2012-10-03 | 欧美龙（南通）重防腐涂料有限公司 | Fading lotion |
| CN104594011A (en) * | 2013-11-01 | 2015-05-06 | 青岛鑫益发工贸有限公司 | Environmentally friendly post-treatment washing technology of jean |
| CN107059288A (en) * | 2017-04-26 | 2017-08-18 | 上海亿朋服饰有限公司 | A kind of fabric shrinks in advance, fade washing formula and washing methods |
| CN107740261A (en) * | 2017-11-16 | 2018-02-27 | 河南工程学院 | A kind of method for bleaching of soybean fiber |
| CN110396813A (en) * | 2019-06-23 | 2019-11-01 | 曲兴辉 | A kind of cowboy's leftover cloth bleaching process |
| CN115074988A (en) * | 2022-06-29 | 2022-09-20 | 江西给力纺织有限公司 | Waste cloth leftover material fading treatment method |
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