CN103590271A - Polyester alkali decrement and one-bath-dyeing one-step low-temperature processing method - Google Patents
Polyester alkali decrement and one-bath-dyeing one-step low-temperature processing method Download PDFInfo
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Abstract
The invention discloses a polyester alkali decrement and one-bath-dyeing one-step low-temperature processing method. The method comprises the steps: carrying out alkali decrement and one-bath-dyeing one-step processing on polyester by using a dipping process, and dissolving sodium hydroxide, a cation accelerant, a carrier, a dispersing agent and a disperse dye into a dye liquid, wherein the dye liquid is prepared from water, the concentration of the carrier is 4-15g/L, the concentration of the sodium hydroxide is 2-4g/L, and the concentration of the cation accelerant is 1*10<-5> to 10*10<-5>mol/L; placing a polyester fabric into the dye liquid according to the bath ratio of 1: (10-100); then, heating to 90-100 DEG C at the speed of 0.5-2 DEG C/min, preserving the heat for 20-100min; taking out the polyester fabric after the heat preservation is ended, washing the polyester fabric 2-5 times by using tap water, and then, carrying out reduction clearing at the temperature of 70-80 DEG C and the bath ratio of 1:50 for 10min by using 2g/L sodium hydroxide and 2g/L sodium hydrosulfite; next, taking out the fabric, and washing 2-6 times by using water; and finally, drying the fabric at the temperature of 70-80 DEG C. By using the method, the polyester alkali decrement and dyeing processing flow is shortened, the alkali decrement processing temperature is reduced, the consumptions of the sodium hydroxide and the cation accelerant are reduced, the production efficiency is increased, the energy sources are saved, the process is simple, no special requirement for the polyester fabric and equipment are needed, and the large-scale production can be realized by using conventional equipment, so that the method has a wide application prospect.
Description
Technical field
The invention belongs to dyeing and finishing technique field, relate to a kind ofly by add terylene disperse dyeing carrier in treatment fluid, make the alkali decrement of terylene and dyeing realize a bath one step low temperature process.
Background technology
Terylene is the synthetic fiber of output maximum in the world, and its dyeability is good, powerful high, quick-drying, do not crease easily, and is suitable for manufacturing multiple clothing fabric.In order to improve the added value of dacron, people have developed alkali deweighting technique, have produced imitated real silk terylene.At present, Alkali Weight Reduction Treatment of Polyester and dyeing processing adopt two-step method processing technology, the excellent product performance making conventionally; But the shortcoming existing is exactly that two-step method processing process is longer, and energy resource consumption is large.King is more than and within 2012, at < < hosiery industry > > magazine, on the 10th phase, has delivered the document that is entitled as " dyeing of the fiber knitted towel cloth alkali of polyester-nylon superthin decrement is processed with bathing ", has realized alkali decrement and the dyeing of polyester-nylon superthin fabric and has processed with bathing.Although realized the same bath processing of alkali decrement and dyeing, what the document was reported is polyester-nylon superthin fabric, and the alkali decrement of polyester-nylon superthin fabric requires lower than pure dacron; Moreover the optimum dyeing temperature of document report is 125 ℃, need under high-temperature and high-pressure conditions, carry out alkali decrement and dyeing with bathing processing, the sealing of equipment and resistance to pressure are put forward to higher requirement, and energy resource consumption is large.In the Jiang Yinyin of the University Of Suzhou Master's thesis of 2009 " the short flow process basic dyeing technical research of dacron ", dacron destarch, alkali decrement and dyeing " three-in-one " technique have been realized, but so-called " three-in-one " is that minute three steps are carried out in fact, first carry out destarch, recycling desizing liquid carries out alkali decrement, then utilize the raffinate after alkali decrement to dye, destarch, alkali decrement and dyeing temperature are respectively 90 ℃, 100 ℃ and 130 ℃; It has also studied Alkali Weight Reduction Treatment of Polyester and dyeing one bath two stage process technique, first carries out Alkali Weight Reduction Treatment of Polyester, then utilizes the raffinate after alkali decrement to dye, and alkali decrement and dyeing temperature are respectively 100 ℃ and 130 ℃; As can be seen here, the method and unrealized truly one bathe a step processing, and the sealing of equipment and resistance to pressure are put forward large compared with high requirement, energy resource consumption.
Summary of the invention
Technical problem to be solved by this invention is to need two steps to carry out for Alkali Weight Reduction Treatment of Polyester and dyeing processing, and need under higher temperature and higher chemicals usage condition, carry out, there is complex process, the energy and chemical cost are large, be unfavorable for energy-saving and emission-reduction and the shortcoming reducing costs, provide a kind of by add terylene disperse dyeing carrier in treatment fluid, the required NaOH of alkali deweighting and CATION accelerator dosage have been reduced, and reduced terylene disperse dyeing temperature, make the alkali decrement of terylene and the method that dyeing realizes a bath one step low temperature process.
The present invention adopts following technical scheme: a step low temperature process method is bathed in a kind of Alkali Weight Reduction Treatment of Polyester and dyeing one, adopt impregnation technology to carry out alkali decrement dyeing one to terylene and bathe a step processing, by the water-soluble dye liquor that is mixed with of NaOH, CATION promoter, carrier, dispersant and DISPERSE DYES, described carrier concn is 4～15 g/L, described naoh concentration is 2～4g/L, and described CATION promoter concentration is 1 * 10
-5～10 * 10
-5mol/L, dacron is dropped in dye liquor; bath raio is 1:10～100; then the programming rate with 0.5～2 ℃/min is warming up to 90～100 ℃; be incubated 20～100min, insulation finishes for rear taking-up dacron running water washing 2-5 time, then uses 2g/L NaOH and 2g/L sodium hydrosulfite reduction cleaning 10min under the condition of 70-80 ℃ of bath raio 1:50; then take out fabric and wash with water 2-6 time, finally in 70-80 ℃ by fabric drying.
Described terylene disperse dyeing carrier is phenmethylol, JYK POW or TF-258.
Described terylene disperse dyeing carrier concn is 4～15 g/L.
Described CATION promoter is promoter 1227, promoter 1631, promoter SN.
Described naoh concentration is 2～10g/L.
Described CATION promoter concentration is 1 * 10
-5～10 * 10
-5mol/L.
Described DISPERSE DYES is alkali resistance disperse dye, and consumption is 0.1%～5 %owf.
Described alkali resistance disperse dye is disperse orange BROB, disperse red 902, disperse blue 825.
Described dispersant is dispersant DN, and concentration is 0.5～3g/L.
The invention has the beneficial effects as follows: by add conventional disperse dyeing carrier in treatment fluid, reduced the vitrification point of polyster fibre, promoted dacron alkali deweighting efficiency, make the alkali decrement of terylene and dyeing processing can one bathe a step processing, and carry out under lower temperature, less NaOH and CATION promoter condition; This method has shortened Alkali Weight Reduction Treatment of Polyester and dyeing processing technique flow process, reduced alkali deweighting temperature, reduced the consumption of NaOH and CATION promoter, improved production efficiency, saved the energy, reduced processing cost, every quality index of the dacron making is consistent with the fabric after conventional alkali decrement and the processing of dyeing two-step method.Technical scheme technique of the present invention is simple, convenient operation, to dacron and equipment, without specific (special) requirements, utilizes conventional equipment just can carry out large-scale production, has broad application prospects.
The specific embodiment
Embodiment 1
A step low temperature process method is bathed in a kind of Alkali Weight Reduction Treatment of Polyester and dyeing one, adopt impregnation technology to carry out alkali decrement dyeing one to terylene and bathe a step processing, processing process is: by NaOH, CATION promoter 1227(dodecyl benzyl dimethyl ammonium chloride), carrier phenmethylol, the water-soluble dye liquor that is mixed with of dispersant DN and disperse orange BROB, again dacron is dropped in dye liquor, bath raio is 1:40, then the programming rate with 1 ℃/min is warming up to 95 ℃, insulation 50min, insulation finishes running water washing 2 times for rear taking-up dacron, use again 2g/L NaOH and 2g/L sodium hydrosulfite reduction cleaning 10min under the condition of 70 ℃ of bath raio 1:50, then taking out fabric washes with water 6 times, finally in 80 ℃ by fabric drying.
Dye liquor prescription is as follows:
NaOH 3 g/L
Promoter 1,227 8 * 10
-5mol/L
Carrier phenmethylol 14g/L
Disperse orange BROB 4 %owf
Dispersant DN 1 g/L
Embodiment 2
A step low temperature process method is bathed in a kind of Alkali Weight Reduction Treatment of Polyester and dyeing one, adopt impregnation technology to carry out alkali decrement dyeing one to terylene and bathe a step processing, processing process is: by NaOH, CATION promoter 1631(softex kw), carrier JYK POW, the water-soluble dye liquor that is mixed with of dispersant DN and disperse red 902, again dacron is dropped in dye liquor, bath raio is 1:20, then the programming rate with 1.5 ℃/min is warming up to 98 ℃, insulation 40min, insulation finishes running water washing 5 times for rear taking-up dacron, use again 2g/L NaOH and 2g/L sodium hydrosulfite reduction cleaning 10min under the condition of 75 ℃ of bath raio 1:50, then taking out fabric washes with water 2 times, finally in 70 ℃ by fabric drying.
Dye liquor prescription is as follows:
NaOH 4 g/L
Promoter 1,631 6 * 10
-5mol/L
Carrier JYK POW 12 g/L
Disperse red 902 2 %owf
Dispersant DN 0.5 g/L
Embodiment 3
A step low temperature process method is bathed in a kind of Alkali Weight Reduction Treatment of Polyester and dyeing one, adopt impregnation technology to carry out alkali decrement dyeing one to terylene and bathe a step processing, processing process is: by NaOH, CATION promoter SN(octadecyl dimethyl ethoxy quaternary ammonium nitrate), carrier TF-258, the water-soluble dye liquor that is mixed with of dispersant DN and disperse blue 825, again dacron is dropped in dye liquor, bath raio is 1:10, then the programming rate with 2 ℃/min is warming up to 100 ℃, insulation 30min, insulation finishes running water washing 3 times for rear taking-up dacron, use again 2g/L NaOH and 2g/L sodium hydrosulfite reduction cleaning 10min under the condition of 80 ℃ of bath raio 1:50, then taking out fabric washes with water 4 times, finally in 75 ℃ by fabric drying.
Dye liquor prescription is as follows:
NaOH 2 g/L
Promoter SN 4 * 10
-5mol/L
Carrier TF-258 8 g/L
Disperse blue 825 1 % owf
Dispersant DN 2 g/L
Embodiment 4
A step low temperature process method is bathed in a kind of Alkali Weight Reduction Treatment of Polyester and dyeing one, adopt impregnation technology to carry out alkali decrement dyeing one to terylene and bathe a step processing, processing process is: by NaOH, CATION promoter SN(octadecyl dimethyl ethoxy quaternary ammonium nitrate), carrier JYK POW, the water-soluble dye liquor that is mixed with of dispersant DN and disperse orange BROB, again dacron is dropped in dye liquor, bath raio is 1:10, then the programming rate with 1.5 ℃/min is warming up to 98 ℃, insulation 70min, insulation finishes running water washing 4 times for rear taking-up dacron, use again 2g/L NaOH and 2g/L sodium hydrosulfite reduction cleaning 10min under the condition of 80 ℃ of bath raio 1:50, then taking out fabric washes with water 5 times, finally in 75 ℃ by fabric drying.
Dye liquor prescription is as follows:
NaOH 2 g/L
Promoter SN 10 * 10
-5mol/L
Carrier JYK POW 10g/L
Disperse orange BROB 3 %owf
Dispersant DN 1.5 g/L
Embodiment 5
A step low temperature process method is bathed in a kind of Alkali Weight Reduction Treatment of Polyester and dyeing one, adopt impregnation technology to carry out alkali decrement dyeing one to terylene and bathe a step processing, processing process is: by NaOH, CATION promoter 1227(dodecyl benzyl dimethyl ammonium chloride), carrier TF-258, the water-soluble dye liquor that is mixed with of dispersant DN and disperse red 902, again dacron is dropped in dye liquor, bath raio is 1:30, then the programming rate with 2 ℃/min is warming up to 95 ℃, insulation 70min, insulation finishes running water washing 3 times for rear taking-up dacron, use again 2g/L NaOH and 2g/L sodium hydrosulfite reduction cleaning 10min under the condition of 80 ℃ of bath raio 1:50, then taking out fabric washes with water 6 times, finally in 75 ℃ by fabric drying.
Dye liquor prescription is as follows:
NaOH 3 g/L
Promoter 1,227 8 * 10
-5mol/L
Carrier TF-258 9 g/L
Disperse red 902 3 %owf
Dispersant DN 2 g/L
Embodiment 6
A step low temperature process method is bathed in a kind of Alkali Weight Reduction Treatment of Polyester and dyeing one, adopt impregnation technology to carry out alkali decrement dyeing one to terylene and bathe a step processing, processing process is: by NaOH, CATION promoter 1631(softex kw), carrier phenmethylol, the water-soluble dye liquor that is mixed with of dispersant DN and disperse blue 825, again dacron is dropped in dye liquor, bath raio is 1:40, then the programming rate with 1 ℃/min is warming up to 100 ℃, insulation 50min, insulation finishes running water washing 5 times for rear taking-up dacron, use again 2g/L NaOH and 2g/L sodium hydrosulfite reduction cleaning 10min under the condition of 80 ℃ of bath raio 1:50, then taking out fabric washes with water 6 times, finally in 80 ℃ by fabric drying.
Dye liquor prescription is as follows:
NaOH 1.5 g/L
Promoter 1,631 5 * 10
-5mol/L
Carrier phenmethylol 10 g/L
Disperse blue 825 2 %owf
Dispersant DN 1 g/L
Implementation result of the present invention
Dacron is processed after processing with bathing through embodiment 1-6 alkali decrement and dyeing respectively, and it is tested as follows, and test result is in Table 1.
1) mensuration of reduction rate: alkali decrement and dyeing are dried in 60 ℃ of conditions in 9053A type electric heating constant-temperature blowing drying box (Shanghai leap medical apparatus and instruments factory) with the sample of bathing after processing, be warming up to again 105 ℃ of drying 4h, then on electronic balance, weigh rapidly, press formula (1) and calculate reduction rate, W in formula
0and W
1be respectively the absolute dry weight of sample before and after processing.
2) mensuration of fracture strength: according to GB/T 3923.1-1997 < < textile fabric tensile property part 1s: the mensuration galley proof method > > of ultimate strength and elongation at break, adopts T201 multifunctional powerful machine to measure fabric powerful through broadwise.
3) K/S value (the apparent colour degree of depth)
In the upper mensuration of UltraScan PRO colour photometer (U.S. HunterLab company), adopt D65 light source and 10 ° of viewing angles to observe, each sample measurement is averaged for four times.
As shown in Table 1, in terylene treatment fluid, add conventional terylene disperse dyeing carrier, Alkali Weight Reduction Treatment of Polyester and dyeing one bath one step low temperature process have been realized, alkali decrement and dyeing temperature lower than conventional polyester high-temperature pressure dyeing temperature, NaOH and the condition of CATION accelerator dosage lower than conventional alkali deweighting consumption under, after processing, reduction rate, brute force and the apparent color depth K/S value of dacron and conventional two-step method processing technology are approaching.As can be seen here, alkali decrement provided by the present invention and colouring processing method have shortened technological process, have reduced processing temperature, have reduced NaOH and CATION accelerator dosage, but still can give reduction rate and the apparent color depth K/S value that fabric is higher, and the strength loss of fabric and common process approach.
Table 1 is implemented alkali decrement and is dyeed with the test result of fabric after bath processing
Note: control sample adopts two-step process to carry out alkali decrement and dyeing processing to terylene; Caustic reduction processing does not add DISPERSE DYES and dispersant, and other condition is constant; Disperse dyeing temperature changes 130 ℃ into, only adds DISPERSE DYES and dispersant, and with acetic acid-sodium acetate, regulating pH is 5.
Claims (9)
1. an Alkali Weight Reduction Treatment of Polyester is bathed a step low temperature process method with dyeing one, it is characterized in that: adopt impregnation technology to carry out alkali decrement dyeing one to terylene and bathe a step processing, by NaOH, CATION promoter, DISPERSE DYES, the water-soluble dye liquor that is mixed with of carrier for dispersant and terylene disperse dyeing, dacron is dropped in dye liquor, bath raio is 1:10～100, then the programming rate with 0.5～2 ℃/min is warming up to 90～100 ℃, insulation 20～100min, insulation finishes running water washing 2-5 time for rear taking-up dacron, use again 2g/L NaOH and 2g/L sodium hydrosulfite reduction cleaning 10min under the condition of 70-80 ℃ of bath raio 1:50, then taking out fabric washes with water 2-6 time, finally in 70-80 ℃ by fabric drying.
2. a step low temperature process method is bathed in Alkali Weight Reduction Treatment of Polyester according to claim 1 and dyeing one, it is characterized in that: described terylene disperse dyeing carrier is phenmethylol, JYK POW or TF-258.
3. a step low temperature process method is bathed in Alkali Weight Reduction Treatment of Polyester according to claim 1 and dyeing one, it is characterized in that: described terylene disperse dyeing carrier concn is 4～15 g/L.
4. a step low temperature process method is bathed in Alkali Weight Reduction Treatment of Polyester according to claim 1 and dyeing one, it is characterized in that: described CATION promoter is promoter 1227, promoter 1631, promoter SN.
5. a step low temperature process method is bathed in Alkali Weight Reduction Treatment of Polyester according to claim 1 and dyeing one, it is characterized in that: described naoh concentration is 2～10g/L.
6. a step low temperature process method is bathed in Alkali Weight Reduction Treatment of Polyester according to claim 1 and dyeing one, it is characterized in that: described CATION promoter concentration is 1 * 10
-5～10 * 10
-5mol/L.
7. a step low temperature process method is bathed in Alkali Weight Reduction Treatment of Polyester according to claim 1 and dyeing one, it is characterized in that: described DISPERSE DYES is alkali resistance disperse dye, and consumption is 0.1%～5 %owf.
8. a step low temperature process method is bathed in Alkali Weight Reduction Treatment of Polyester according to claim 7 and dyeing one, it is characterized in that: described alkali resistance disperse dye is disperse orange BROB, disperse red 902, disperse blue 825.
9. a step low temperature process method is bathed in Alkali Weight Reduction Treatment of Polyester according to claim 1 and dyeing one, it is characterized in that: described dispersant is dispersant DN, and concentration is 0.5～3 g/L.
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| CN106567212A (en) * | 2016-11-02 | 2017-04-19 | 旷达汽车饰件有限公司 | Method for improving polyester woven fabrics for traffic vehicle in alkaline condition |
| CN107268304A (en) * | 2017-08-04 | 2017-10-20 | 浙江理工大学 | A kind of method that rare earth mordant dyeing modified dacron fabric is used based on the extraction by tea dye liquor |
| CN108589330A (en) * | 2018-03-30 | 2018-09-28 | 江南大学 | A kind of caustic reduction processing of dyed polyester textiles |
| CN110158303A (en) * | 2019-05-21 | 2019-08-23 | 杭州宙富染整有限公司 | A kind of alkali decrement method of the textile of the fiber containing CDP |
| CN110158303B (en) * | 2019-05-21 | 2022-02-11 | 杭州宙富染整有限公司 | Alkali deweighting method for textile containing CDP fiber |
| CN111235908A (en) * | 2020-02-11 | 2020-06-05 | 南通大学 | Water-saving and energy-saving dyeing method for terylene |
| CN111235908B (en) * | 2020-02-11 | 2023-03-21 | 南通大学 | Water-saving and energy-saving dyeing method for terylene |
| CN113529437A (en) * | 2021-07-17 | 2021-10-22 | 浙江智兴集团有限公司 | Dyeing method of elastic fabric |
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