CN104074074A - Homochromatism dyeing process for cotton and viscose mixed fabric - Google Patents
Homochromatism dyeing process for cotton and viscose mixed fabric Download PDFInfo
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- CN104074074A CN104074074A CN201310103055.0A CN201310103055A CN104074074A CN 104074074 A CN104074074 A CN 104074074A CN 201310103055 A CN201310103055 A CN 201310103055A CN 104074074 A CN104074074 A CN 104074074A
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Abstract
The invention relates to a dyeing process for enabling two fibers of a cotton and viscose mixed fabric to have the same dye yields by using a reactive dye for dyeing after modification by color media. The process is characterized in that a compound of color media containing reactive hydrogen and a reaction type functional group, is firstly used for carrying out pretreatment, and then dyeing is performed according to a conventional activate dye cotton dying process, so as to enable the dye yields of the two fibers of the cotton and the viscose to be equivalent and the chromatic aberration to be smaller than 1.5. The process provided by the invention has the advantages that the process is simple, the homochromatism is excellent after the dyeing to the two fibers, all fastnesses are comparable to those of a conventional cotton dying process, customer requirements are met, and the process has remarkable significance in improving product grades, added valves and the like.
Description
Technical field
The present invention relates to a kind of containing cotton and viscose intertexture homochromatism dyeing, to utilize the compound that contains active hydrogen and response type functional group " look media " to carry out preliminary treatment to fabric specifically, and then dye according to the technique of conventional Dyeing of Cotton Fabric with Reactive Dyes, make cotton and viscose intertexture one-bath dyeing homochromatism dyeing.
Background technology
Due to viscose good hygroscopicity, comfortable and easy to wear, spinnability is good, also have ventilative. sizing and height often hang down the advantages such as property and cotton fiber carries out blending or interweaves, due to viscose, it lives through multiple physical and chemical reaction and causes the cracking of cellulose macromolecule group in manufacture process again, its large molecule is shortened, molecular gap is larger, arrange also loose messy, hydroxyl (OH) polarity in molecule might as well, viscose itself contains great amount of hydroxy group (OH), hydroxyl (OH) group is hydrophilic radical, therefore, viscose has excellent hygroscopicity, the fiber dyeing that hygroscopicity is better is just better.More even better than cotton in these areas.So the dyeability of viscose is more much better than cotton fiber.At present, these two kinds of fibers are all to adopt REACTIVE DYES to dye, and the dyeability of two kinds of fibers has certain difference, therefore,, when cotton and viscose interweaves, obverse and reverse aberration is larger, past, a lot of enterprises were not because found suitable method and auxiliary agent, have to be come into the market.In recent years, along with improving constantly of living standard, cotton large with viscose intertexture color distortion, can not meet client's requirement, cause order to fall sharply, cause serious economic loss.
Summary of the invention
Object of the present invention aims to provide a kind of practicable production technology, solves containing cotton and viscose intertexture reactive dyeing process routinely, and two kinds of large problems of fiber Dry Sack difference, to overcome weak point of the prior art.
The object of the present invention is achieved like this:
A kind of containing cotton and viscose intertexture homochromatism dyeing, it is characterized in that: comprise the following steps:
A, first the macromolecule cation compound that contains active hydrogen and response type functional group " look media " is carried out to preliminary treatment to fabric, wait to dye;
B, the technique of Dyeing of Cotton Fabric with Reactive Dyes dyes routinely again, washing, neutralization, soap boiling, oven dry.
Object of the present invention can also adopt following technical measures to solve:
As a kind of scheme more specifically, in described step a, pretreating process is: in described step a, pretreating process is: the compound amount that contains active hydrogen and the response type functional group 3-5% that is weight percentage, and 60 DEG C of insulation 30min, washing, waits to dye.
The REACTIVE DYES consumption 1-8% that is weight percentage in described step b, glauber salt consumption 0-100g/L, soda ash consumption 0-25g/L, bath raio 1:10,60-80 DEG C of insulation 60min, washing, soaps, washing.
The technique of soaping in described step b is: soaping agent DM-1572 consumption is 0.5-1.0g/L, 90-95 DEG C of insulation 20min, washing.
The present invention has the following advantages:
1, first fabric with containing active hydrogen and containing response type functional group prepolymer---" look media " mix, between prepolymer is mutual, react, be solidificated in fibrous material inside.Contain a large amount of cation groups because of on " look media " fiber, active hydrogen group and response type functional group, adsorption effect to anionic REACTIVE DYES is remarkable, when dying light color, in dyeing course without salt adding with add alkali, both reduce production cost, saved the energy, reduced again pollution and cotton fiber to environment consistent with viscose Dry Sack.
2, first fabric with mix containing active hydrogen and containing the prepolymer " look media " of response type functional group, between prepolymer is mutual, react, be solidificated in fibrous material inside.Contain a large amount of cation groups because of on " look media " fiber, active hydrogen group and response type functional group, adsorption effect to anionic REACTIVE DYES is remarkable, when dying dark color, look media are higher than viscose to the combination degree of cotton fiber, and conventional reactive dyeing, it is high that viscose obtains color ratio cotton fiber, therefore, by after the modification of look media routinely reactive dyeing in conjunction with both advantages, can make two fiber one-bath reactive dyeing Dry Sacks be consistent.It is simple that the present invention has dyeing, cotton fiber and viscose homochromatism excellence, and reproducibility is good, is applicable to the advantages such as various normal dyeing equipment.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described.
Embodiment mono-, a kind of cotton and viscose intertexture homochromatism dyeing, comprises the following steps:
A, first the compound that contains active hydrogen and response type functional group " look media " is carried out to preliminary treatment to fabric, wait to dye;
B, the technique of Dyeing of Cotton Fabric with Reactive Dyes dyes routinely again, washing, neutralization, soap boiling, oven dry.
Cotton and viscose intertexture homochromatism dyeing according to claim 1, it is characterized in that: in described step a, pretreating process is: compound " look media " consumption that contains active hydrogen and the response type functional group 3-5% that is weight percentage, 60 DEG C of insulation 30min, washing, waits to dye.
According to claim 1 containing cotton and viscose intertexture homochromatism dyeing, it is characterized in that: when described step b dyeing, REACTIVE DYES consumption 5% percentage by weight, bath raio 1:10, glauber salt consumption 80g/L, soda ash consumption 15-25g/L, bath raio 1:10,60-80 DEG C of insulation 60min, washing, soap, washing.
Embodiment bis-, is with embodiment mono-difference, described step b is in overflow dyeing machine, and dyeing is: REACTIVE DYES consumption 1.5% percentage by weight, and bath raio 1:10,60-80 DEG C of insulation 60min, washing, soaps, washing.
In the various embodiments described above, the compound that contains active hydrogen and response type functional group " look media " and the soaping agent DM-1572 that use provide by Guangdong Demei Fine Chemical Co., Ltd..
Enumerate 2 examples below, but therefore do not limit the invention in described scope of embodiments.
Example 1
Preparatory process:
Fabric types: cotton/viscose interlace stitch 200Kg that weaves cotton cloth;
Equipment: TOWEL-8 type high temperature dyeing machine (vertical letter);
Test technology:
The first step: look media preliminary treatment formula and technique;
Look media: 5% percentage by weight, 60 DEG C of insulation 30min, → wait to dye.
Second step: dyeing recipe and technique;
Active yellowish-brown 3RSN:0.5% percentage by weight
Active red 3BSN:3.0% percentage by weight
Reactive blue BRF:1.5% percentage by weight
Glauber salt: 80g/L
Soda ash: 25g/L
1:10,2 DEG C/min is warming up to 70 DEG C of insulation 60min, washing, → wait to dye.
The 3rd step: soap technical recipe and technique:
Soaping agent DM-1572: 1g/L
1:10,95 DEG C of insulation 20min, washing, dries.The aberration 1.59 of cotton and viscose, fastness can reach more than 3 grades.
Example 2
Preparatory process:
The first step: look media preliminary treatment formula and technique;
Look media: 5% percentage by weight, 60 DEG C of insulation 30min, → wait to dye.
Second step: dyeing recipe and technique;
Reactive blue BRF:1.5% percentage by weight
1:10,2 DEG C/min is warming up to 60 DEG C of insulation 45min, washing, → wait to dye.
The 3rd step: soap technical recipe and technique:
Soaping agent DM-1572: 1g/L
1:10,95 DEG C of insulation 20min, washing, dries.The aberration 1.02 of cotton and viscose, more than fastness can reach 3-4 level.
Claims (6)
1. cotton and a viscose fiber fabric homochromatism dyeing, is characterized in that: comprise the following steps:
A, first look for media to carry out preliminary treatment to fabric the chemical combination that contains active hydrogen and response type functional group, wait to dye;
B, the technique of Dyeing of Cotton Fabric with Reactive Dyes dyes routinely again, washing, neutralization, soap boiling, oven dry.
2. cotton and viscose intertexture homochromatism dyeing according to claim 1, it is characterized in that: in described step a, pretreating process is: the compound amount that contains active hydrogen and the response type functional group 3-5% that is weight percentage, 50-60 DEG C of insulation 25-35min, washing, waits to dye.
3. cotton and viscose intertexture homochromatism dyeing according to claim 1, it is characterized in that: in described step b, dyeing is: REACTIVE DYES consumption is for being not more than percentage by weight 8%, glauber salt consumption is not more than 100g/L, soda ash consumption is not more than 25g/L, bath raio 1:10,60-80 DEG C of insulation 50-60min, washing, soap, washing.
4. cotton and viscose intertexture homochromatism dyeing according to claim 1, is characterized in that: when described step b dyes light color, REACTIVE DYES consumption is not more than percentage by weight 2%; bath raio 1:10,60-80 DEG C of insulation 60min, and washing; soap, washing.
5. cotton and viscose intertexture homochromatism dyeing according to claim 1, it is characterized in that: when described step b dyes dark color, the REACTIVE DYES consumption 2-6% that is weight percentage, bath raio 1:10, glauber salt consumption 40-100g/L, soda ash consumption 15-25g/L, bath raio 1:10,60-80 DEG C of insulation 50-60min, washing, soap, washing.
6. cotton and viscose intertexture homochromatism dyeing according to claim 1, is characterized in that: the technique of soaping after described step b dyeing: soaping agent DM-1572 consumption is 0.5-1.0g/L, moves 20min under 90-98 DEG C of condition, discharge opeing, washing, dehydration, 95-100 DEG C of oven dry.
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| CN201310103055.0A CN104074074A (en) | 2013-03-28 | 2013-03-28 | Homochromatism dyeing process for cotton and viscose mixed fabric |
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| CN201310103055.0A CN104074074A (en) | 2013-03-28 | 2013-03-28 | Homochromatism dyeing process for cotton and viscose mixed fabric |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105274752A (en) * | 2015-10-22 | 2016-01-27 | 宁波大千纺织品有限公司 | Method for preparing imitation jean snowflake nostalgic fabric |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101070676A (en) * | 2007-05-18 | 2007-11-14 | 广东德美精细化工股份有限公司 | Fiber-material modifying method and dyeing process |
| CN101644006A (en) * | 2009-08-24 | 2010-02-10 | 广东德美精细化工股份有限公司 | Multicolor water-flow dyeing technique without salts or alkalis |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101070676A (en) * | 2007-05-18 | 2007-11-14 | 广东德美精细化工股份有限公司 | Fiber-material modifying method and dyeing process |
| CN101644006A (en) * | 2009-08-24 | 2010-02-10 | 广东德美精细化工股份有限公司 | Multicolor water-flow dyeing technique without salts or alkalis |
Non-Patent Citations (3)
| Title |
|---|
| 刘新华等: "提高粘/棉交织物同浴染色同色性", 《印染》, no. 08, 31 December 2009 (2009-12-31), pages 27 - 29 * |
| 周光勇等: "锦棉交织物活性染料一浴法染色", 《印染》, no. 07, 31 December 2009 (2009-12-31), pages 23 - 25 * |
| 高晓红等: "Argazol活性染料在粘棉交织物染色中的应用", 《印染》, no. 12, 31 December 2009 (2009-12-31), pages 26 - 28 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105274752A (en) * | 2015-10-22 | 2016-01-27 | 宁波大千纺织品有限公司 | Method for preparing imitation jean snowflake nostalgic fabric |
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