CN106555327A - A kind of low temperature bleaching and dyeing process of cotton fabrics - Google Patents
A kind of low temperature bleaching and dyeing process of cotton fabrics Download PDFInfo
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- CN106555327A CN106555327A CN201510596553.2A CN201510596553A CN106555327A CN 106555327 A CN106555327 A CN 106555327A CN 201510596553 A CN201510596553 A CN 201510596553A CN 106555327 A CN106555327 A CN 106555327A
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Abstract
The invention discloses a kind of low temperature bleaching and dyeing process of cotton fabrics, including configuration low temperature scouring and bleaching liquid, low temperature scouring and bleaching, the step such as low temperature dyeing, low temperature soaping.The present invention is by the way of machining at low temperature, the natural Symbiont such as a certain amount of cotton wax is remained suitably, the natural resources on cotton fiber are made sufficiently to be utilized, the fabric of 60 DEG C of whole process low temperature bleaching and dyeing process processing of Jing can obtain good Color, have significant superiority at aspects such as fabric weight-loss ratio, feel, COD value discharges；Because remaining the natural Symbiont of the hydrophobicitys such as a certain amount of cotton wax, pectin, the performance of the fabric of 60 DEG C of whole process low temperature bleaching and dyeing process processing in terms of the Final finishing processing effect such as softness, waterproof is better than the respective fabric that traditional handicraft is processed.
Description
Technical field
The present invention relates to textile production technical field, and in particular to a kind of low temperature bleaching and dyeing process of cotton fabrics.
Background technology
Traditional cotton fabrics are scouringed and bleaching to be carried out using 95 DEG C of high temperature above more, traditional machining based conception of scouringing and bleaching is thought, cotton wax, pectin on cotton fiber etc. are the bad main reasons of bafta hydrophilic with the presence of the hydrophobic substance of cellulose symbiosis, there is large effect to dyeability, so needing fully to remove these Symbionts when scouringing and bleaching.During dyeing, in order to fully remove loose colour, more than 95 DEG C of high temperature to soap, to meet the needs of the various color fastness such as washing, friction.The processing conditionss of so high temperature not only cause substantial amounts of energy resource consumption, while also result in fabric it is weightless it is big, blowdown is serious, feel is coarse the problems such as.Therefore, it is necessary to high temperature bleaching and dyeing process of the prior art is improved and is optimized.
The content of the invention
It is an object of the invention to overcome defect present in prior art, there is provided a kind of low temperature bleaching and dyeing process of cotton fabrics, fabric feeling are good, reducing energy consumption.
To realize above-mentioned technique effect, the technical scheme is that：The low temperature bleaching and dyeing process of a kind of cotton fabrics, it is characterised in that comprise the following steps：
S1：Configuration low temperature is scouringed and bleaching liquid, and the scouring and bleaching composition of liquid of the low temperature includes by weight percentage：Refining agent 1～4%, Activation of Hydrogen Peroxide Solution agent 0.2～2%, sodium hydroxide 1～3.5%, 30% hydrogen peroxide 5～9% and excess water；
S2：Low temperature obtained by heating S1 scourings and bleaching liquid to 25～30 DEG C, cotton fabrics is scouringed and bleaching in liquid as low temperature, is gradually heating to 60～70 DEG C and is incubated 1～2h, cotton fabrics are placed in 40～50 DEG C of washings then；
S3：Fabric obtained by S2 is immersed in dyestuff mixed liquor, the composition of dyestuff mixed liquor includes by weight percentage：Reactive dye 1.5～2.5%, sodium sulfate 4～6%, 1～3% excess water of sodium carbonate, are gradually heating to 60～70 DEG C and are incubated 1～2h, then cotton fabrics are placed in cold water and are washed；
S4：20～60mins are incubated at 50～60 DEG C using low temperature soaping liquid to soap cotton fabrics obtained by S3.
Wherein, the scouring and bleaching bath raio of liquid, dyestuff mixed liquor and low temperature soaping liquid of cotton fabrics and low temperature is 1：（8～15）.
Wherein, in S1, Activation of Hydrogen Peroxide Solution agent is the coordination compound of acyl compounds or iron ion.
Wherein, the composition of low temperature soaping liquid includes low temperature soaping agent and water, the percentage by weight 0.01～0.2% of low temperature soaping agent in low temperature soaping liquid.
Wherein, low temperature soaping liquid also contains nonionic penetrant, and it is 0.1～2% that nonionic penetrant accounts for the percentage by weight of low temperature soaping liquid.
The advantages of the present invention are：
The present invention is by the way of machining at low temperature, the natural Symbiont such as a certain amount of cotton wax is remained suitably, the natural resources on cotton fiber are made sufficiently to be utilized, the fabric of 60 DEG C of whole process low temperature bleaching and dyeing process processing of Jing can obtain good Color, have significant superiority at aspects such as fabric weight-loss ratio, feel, COD value discharges；Because remaining the natural Symbiont of the hydrophobicitys such as a certain amount of cotton wax, pectin, the performance of the fabric of 60 DEG C of whole process low temperature bleaching and dyeing process processing in terms of the Final finishing processing effect such as softness, waterproof is better than the respective fabric that traditional handicraft is processed.
Specific embodiment
With reference to embodiment, the specific embodiment of the present invention is further described.Following examples are only used for clearly illustrating technical scheme, and can not be limited the scope of the invention with this.
Embodiment 1
To realize above-mentioned technique effect, in embodiment 1, the low temperature bleaching and dyeing process of cotton fabrics, comprises the following steps：
S1：Configuration low temperature is scouringed and bleaching liquid, and the scouring and bleaching composition of liquid of low temperature includes by weight percentage：Refining agent 1%, Activation of Hydrogen Peroxide Solution agent 0.2%, sodium hydroxide 1%, 30% hydrogen peroxide 5% and excess water；
S2：Low temperature obtained by heating S1 scourings and bleaching liquid to 25 DEG C, and cotton fabrics are scouringed and bleaching in liquid as low temperature, be gradually heating to 60～DEG C and be incubated 1h, cotton fabrics are placed in into 40 DEG C of washings then；
S3：Fabric obtained by S2 is immersed in dyestuff mixed liquor, the composition of dyestuff mixed liquor includes by weight percentage：Reactive dye 1.5%, sodium sulfate 4%, 1% excess water of sodium carbonate, are gradually heating to 60 DEG C and are incubated 1h, then cotton fabrics are placed in cold water and are washed；
S4：20mins are incubated at 50 DEG C using low temperature soaping liquid to soap cotton fabrics obtained by S3.
Wherein, the scouring and bleaching bath raio of liquid, dyestuff mixed liquor and low temperature soaping liquid of cotton fabrics and low temperature is 1：8.
Wherein, in S1, Activation of Hydrogen Peroxide Solution agent is the coordination compound of acyl compounds or iron ion.
Wherein, the composition of low temperature soaping liquid includes low temperature soaping agent and water, the percentage by weight 0.01% of low temperature soaping agent in low temperature soaping liquid.
Wherein, low temperature soaping liquid also contains nonionic penetrant, and it is 0.1% that nonionic penetrant accounts for the percentage by weight of low temperature soaping liquid.
Embodiment 2
In embodiment 2, the low temperature bleaching and dyeing process of cotton fabrics, comprises the following steps：
S1：Configuration low temperature is scouringed and bleaching liquid, and the scouring and bleaching composition of liquid of low temperature includes by weight percentage：Refining agent 2.5%, Activation of Hydrogen Peroxide Solution agent 1%, sodium hydroxide 2.5%, 30% hydrogen peroxide 7% and excess water；
S2：Low temperature obtained by heating S1 scourings and bleaching liquid to 27 DEG C, cotton fabrics is scouringed and bleaching in liquid as low temperature, is gradually heating to 65 DEG C and is incubated 1.5h, cotton fabrics are placed in 45 DEG C of washings then；
S3：Fabric obtained by S2 is immersed in dyestuff mixed liquor, the composition of dyestuff mixed liquor includes by weight percentage：Reactive dye 2%, sodium sulfate 5%, 2% excess water of sodium carbonate, are gradually heating to 65 DEG C and are incubated 1.5h, then cotton fabrics are placed in cold water and are washed；
S4：40mins are incubated at 55 DEG C using low temperature soaping liquid to soap cotton fabrics obtained by S3.
Wherein, the scouring and bleaching bath raio of liquid, dyestuff mixed liquor and low temperature soaping liquid of cotton fabrics and low temperature is 1：10.
Wherein, in S1, Activation of Hydrogen Peroxide Solution agent is the coordination compound of acyl compounds or iron ion.
Wherein, the composition of low temperature soaping liquid includes low temperature soaping agent and water, the percentage by weight 0.1% of low temperature soaping agent in low temperature soaping liquid.
Wherein, low temperature soaping liquid also contains nonionic penetrant, and it is 1% that nonionic penetrant accounts for the percentage by weight of low temperature soaping liquid.
Embodiment 3
In embodiment 3, the low temperature bleaching and dyeing process of cotton fabrics, comprises the following steps：
S1：Configuration low temperature is scouringed and bleaching liquid, and the scouring and bleaching composition of liquid of low temperature includes by weight percentage：Refining agent 4%, Activation of Hydrogen Peroxide Solution agent 2%, sodium hydroxide 3.5%, 30% hydrogen peroxide 9% and excess water；
S2：Low temperature obtained by heating S1 scourings and bleaching liquid to 30 DEG C, cotton fabrics is scouringed and bleaching in liquid as low temperature, is gradually heating to 70 DEG C and is incubated 2h, cotton fabrics are placed in 50 DEG C of washings then；
S3：Fabric obtained by S2 is immersed in dyestuff mixed liquor, the composition of dyestuff mixed liquor includes by weight percentage：Reactive dye 2.5%, sodium sulfate 6%, 3% excess water of sodium carbonate, are gradually heating to 70 DEG C and are incubated 2h, then cotton fabrics are placed in cold water and are washed；
S4：60mins are incubated at 60 DEG C using low temperature soaping liquid to soap cotton fabrics obtained by S3.
Wherein, the scouring and bleaching bath raio of liquid, dyestuff mixed liquor and low temperature soaping liquid of cotton fabrics and low temperature is 1：15.
Wherein, in S1, Activation of Hydrogen Peroxide Solution agent is the coordination compound of acyl compounds or iron ion.
Wherein, the composition of low temperature soaping liquid includes low temperature soaping agent and water, the percentage by weight 0.2% of low temperature soaping agent in low temperature soaping liquid.
Wherein, low temperature soaping liquid also contains nonionic penetrant, and it is 2% that nonionic penetrant accounts for the percentage by weight of low temperature soaping liquid.
Comparative example
The cotton fabrics bleachinged and dyeing with Jing traditional handicraft high temperature are as a comparison case.
By technology controlling and process, the fabric of 60 DEG C of whole process low temperature bleaching and dyeing process processing of Jing can obtain good Color, have significant superiority at aspects such as fabric weight-loss ratio, feel, COD value discharges；Because remaining the natural Symbiont of the hydrophobicitys such as a certain amount of cotton wax, pectin, the performance of the fabric of 60 DEG C of whole process low temperature bleaching and dyeing process processing in terms of the Final finishing processing effect such as softness, waterproof is better than the respective fabric that traditional handicraft is processed；Although hydrophilicity is not high, excellent hydrophilic effect still can be obtained by simple hydrophilic finiss, fabric；In terms of comprehensive process cost and economic benefit, the course of processing of 60 DEG C of whole process low temperature bleaching and dyeing process can increase finished product output capacity with reducing energy consumption, reduce comprehensive process cost, while efficient energy-saving and emission-reducing, significantly improve economic benefit.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, on the premise of without departing from the technology of the present invention principle; some improvements and modifications can also be made, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (5)
1. the low temperature bleaching and dyeing process of a kind of cotton fabrics, it is characterised in that comprise the following steps：
S1：Configuration low temperature is scouringed and bleaching liquid, and the scouring and bleaching composition of liquid of the low temperature includes by weight percentage：Refining agent 1～4%, Activation of Hydrogen Peroxide Solution agent 0.2～2%, sodium hydroxide 1～3.5%, 30% hydrogen peroxide 5～9% and excess water；
S2：Low temperature obtained by heating S1 scourings and bleaching liquid to 25～30 DEG C, cotton fabrics is scouringed and bleaching in liquid as low temperature, is gradually heating to 60～70 DEG C and is incubated 1～2h, cotton fabrics are placed in 40～50 DEG C of washings then；
S3：Fabric obtained by S2 is immersed in dyestuff mixed liquor, the composition of dyestuff mixed liquor includes by weight percentage：Reactive dye 1.5～2.5%, sodium sulfate 4～6%, 1～3% excess water of sodium carbonate, are gradually heating to 60～70 DEG C and are incubated 1～2h, then cotton fabrics are placed in cold water and are washed；
S4：20～60mins are incubated at 50～60 DEG C using low temperature soaping liquid to soap cotton fabrics obtained by S3.
2. the low temperature bleaching and dyeing process of cotton fabrics according to claim 1, it is characterised in that the scouring and bleaching bath raio of liquid, dyestuff mixed liquor and low temperature soaping liquid of cotton fabrics and low temperature is 1：（8～15）.
3. the low temperature bleaching and dyeing process of cotton fabrics according to claim 2, it is characterised in that Activation of Hydrogen Peroxide Solution agent in S1 is the coordination compound of acyl compounds or iron ion.
4. the low temperature bleaching and dyeing process of cotton fabrics according to claim 3, it is characterised in that the composition of low temperature soaping liquid includes low temperature soaping agent and water, the percentage by weight 0.01～0.2% of low temperature soaping agent in low temperature soaping liquid.
5. the low temperature bleaching and dyeing process of cotton fabrics according to claim 4, it is characterised in that low temperature soaping liquid also contains nonionic penetrant, and it is 0.1～2% that nonionic penetrant accounts for the percentage by weight of low temperature soaping liquid.
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| CN201510596553.2A CN106555327A (en) | 2015-09-18 | 2015-09-18 | A kind of low temperature bleaching and dyeing process of cotton fabrics |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107217466A (en) * | 2017-05-11 | 2017-09-29 | 江苏银桥纺织科技有限公司 | A kind of bafta low temperature is scouringed and bleaching single bath process technique |
| CN109576975A (en) * | 2017-09-28 | 2019-04-05 | 浙江工业职业技术学院 | A kind of heavy cotton fabric short route pre-treating method |
| CN111041810A (en) * | 2019-12-26 | 2020-04-21 | 杭州卓达染整有限公司 | Processing technology of all-cotton fabric |
-
2015
- 2015-09-18 CN CN201510596553.2A patent/CN106555327A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107217466A (en) * | 2017-05-11 | 2017-09-29 | 江苏银桥纺织科技有限公司 | A kind of bafta low temperature is scouringed and bleaching single bath process technique |
| CN109576975A (en) * | 2017-09-28 | 2019-04-05 | 浙江工业职业技术学院 | A kind of heavy cotton fabric short route pre-treating method |
| CN111041810A (en) * | 2019-12-26 | 2020-04-21 | 杭州卓达染整有限公司 | Processing technology of all-cotton fabric |
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