CN104818632A - Spandex elastic fabric reactive dye cold pad-batch dyeing method - Google Patents
Spandex elastic fabric reactive dye cold pad-batch dyeing method Download PDFInfo
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Abstract
The invention relates to a spandex elastic fabric reactive dye cold pad-batch dyeing method which includes pre-treatment, dyeing, first washing, soaping, second washing, softening, dewatering, scutching and drying. A cold pad-batch process is adopted in pre-treatment and needs 8-12g/L of cooling auxiliaries, 8-12g/L of alkaline agents, 2-4g/L of penetrating agents PTM, 0.5-0.8g/L of 2A refining agents and 0.5-1g/L of SEM-35 emulsifying agents, the temperature is 20-30 DEG C, relative humidity is 60-70%, and elastic fabrics are hermetically stacked for 8h. The dyeing formula of the cold pad-batch process includes 5-12g/L of reactive dyes, 50-60g/L of sodium sulfate, 40-50g/L of sodium carbonate, 6-10g/L of caustic soda and 1-2g/L of leveling agents. The specific cold pad-batch process is used for specific spandex elastic fabrics, proper process conditions are selected, and the cold pad-batch process is effectively applied to spandex elastic fabric dyeing. The dyed spandex fabrics are bright in color and have fine dry and wet fastness, washing fastness and light fastness.
Description
Technical field
The present invention relates to Colour Difference field, specifically a kind of elastic polyurethane fiber cloth Cold Pad-Batch Dyeing with Reactive Dyes method.
Background technology
REACTIVE DYES has the features such as lovely luster, wet fastness is excellent, applicability is strong, easy to use and with low cost, is suitable in dye dark.COLOR FASTNESS is one of important indicator weighing textiles inherent quality, and textiles, taking the different in kind of suffered external influence in process, just has various corresponding COLOR FASTNESS, such as Exposure to Sunlight, soap, weather, friction, sweat stain, flatiron, chlorine drift COLOR FASTNESS etc.
So-called cold-rolling heap staining, namely fabric is referred at low temperatures by padding dye liquor and alkali lye, roll pressure rolling is utilized to make dye liquor be adsorbed on pure cotton fabric fiber surface, then carry out clot to bank up, at room temperature to bank up certain hour (bonding time) slowly rotating, make it the absorption of dyestuff, diffusion and laking process, finally wash the staining method of dye.During cold-rolling heap staining, upper dye, fixation all at room temperature complete, although washing needs heating, because cold dyeing degree of fixation is high, hydrolised dye is few, and cleaning easily, is compared the pad dyeing needing intermediate drying decatize, greatly saved water, the vapour energy, alleviated sewage decoloring pressure.
Although Cold-Pad-Batch Dyeing with Reactive Dyes is maturation process all already, but traditional handicraft water consumption, power consumption, and it is more to produce waste water, cost is high, and in production practices, due to the aspect such as dyestuff or technology controlling and process, still can encounter the underproof problem of a certain COLOR FASTNESS of final finished product: REACTIVE DYES is mainly manifested on the fastness to light of middle light coloured fabrics and the crock fastness of deep-colour fabric; Reducing dye is mainly manifested on the fastness to chlorine-bleaching of cobalt blue and the wet ironing fastness of M ash.Generally, REACTIVE DYES is in elastic polyurethane fiber cloth dyeing technique, and dry wet fastness, washing fastness and sun-proof degree, be difficult to the satisfaction reaching consumer, and therefore, how choosing suitable dyestuff and optimizing dyeing is the key factor determining Color.
At present, the dyeing of elastic polyurethane fiber cloth be yet there are no adopt cold-rolling heap staining method to carry out the report dyeed.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of elastic polyurethane fiber cloth Cold Pad-Batch Dyeing with Reactive Dyes method is provided.Adopt this colouring method, dyeing product is not only effective, and quality is high, full color fastness to washing, substantially increases dry wet fastness and the washing fastness of dyeing spandex fabric, and has and save the features such as water, steam saving, low power consuming, cost are low.
Object of the present invention is achieved by following scheme:
A kind of elastic polyurethane fiber cloth Cold Pad-Batch Dyeing with Reactive Dyes method, technical process comprises: pre-treatment, dyeing, first time wash, soap, second time washing, softness, dehydration, open-width, oven dry, described pre-treatment process adopts cold-pad-batch process, and process conditions are coldly help agent 8 ~ 12g/L, alkaline agent 8 ~ 12g/L, bleeding agent PTM 2 ~ 4g/L, 2A refining agent 0.5 ~ 0.8 g/L, SEM-35 emulsifying agent 0.5 ~ 1g/L, temperature 20 ~ 30 DEG C, relative humidity 60 ~ 70%, seals the time 8h that banks up; Described dyeing cold-pad-batch process, the formula of dyeing is: REACTIVE DYES 5 ~ 12g/L, glauber salt consumption are 50 ~ 60 g/L, soda ash 40 ~ 50g/L, caustic soda 6 ~ 10g/L, levelling agent 1 ~ 2 g/L.
In aforementioned elastic polyurethane fiber cloth Cold Pad-Batch Dyeing with Reactive Dyes method, described alkaline agent comprises sodium carbonate, sodium metasilicate, NaOH.
In aforementioned elastic polyurethane fiber cloth Cold Pad-Batch Dyeing with Reactive Dyes method, described dyestuff is K type, KN type or CA type REACTIVE DYES.
In aforementioned elastic polyurethane fiber cloth Cold Pad-Batch Dyeing with Reactive Dyes method, in described staining procedure, dyeing temperature 70 ~ 85 DEG C, 50 ~ 60 minutes time.
In aforementioned elastic polyurethane fiber cloth Cold Pad-Batch Dyeing with Reactive Dyes method, the large cold water stream of described first time washing employing 30 ~ 40 DEG C rinses.
In aforementioned elastic polyurethane fiber cloth Cold Pad-Batch Dyeing with Reactive Dyes method, the detergent adopted in described soaping steps is SW 2 ~ 4g/L, chelated dispersants ARSK 1 ~ 3g/L, 90 ~ 98 DEG C of soap boiling 15 ~ 20min, bath raio 1:20 ~ 30.
In aforementioned elastic polyurethane fiber cloth Cold Pad-Batch Dyeing with Reactive Dyes method, described second time washing employing 50 ~ 60 DEG C of Warm Wash.
In aforementioned elastic polyurethane fiber cloth Cold Pad-Batch Dyeing with Reactive Dyes method, the softener adopted in described soft step is organic silicon modified by polyether.
beneficial effect of the present invention:
The present invention is directed to specific elastomeric polyurethane fiber cloth and adopt specific cold-pad-batch process, select the process conditions that it is suitable, effectively solve the application of cold-pad-batch process in elastomeric polyurethane fiber cloth dyeing.Choose the REACTIVE DYES of high efficiency, high fixation rate, high fastness, not only color is bright and new for dyeing spandex fabric, and has dry wet fastness, washing fastness and sun-proof degree preferably.
K type, KN type REACTIVE DYES all have good activity.Wherein CA Series Reactive Dyes can dissolve rapidly in cold water, even if prepare good concentration, also without the need to using urea, and there is good level-dyeing property, easy control is left coloured, favorable reproducibility, has high rinsing fastness and light fastness compared to general REACTIVE DYES.First step washing adopts large cold water stream to rinse and washes away unreacted dyestuff on single jersey as far as possible, improves cloth feel, choose in soft step organic silicon modified by polyether both can not cause arrangement as softener after changing color of textile, the fastness to light of fabric can not be affected again
Adopt cold-pad batch pretreatment to carry out outside cylinder, in saving water, steam saving etc., usefulness is given prominence to, and greatly reduces cost.
The present invention adopts cold-pad-batch process dye to elastomeric polyurethane fiber cloth and be studied its technique, greatly can improve the REACTIVE DYES problem that adhesive rate is low when dyeing to it, improves the utilization rate of dyestuff, reduces dyeing cost.
Detailed description of the invention
By the following examples technical scheme of the present invention is described further:
embodiment 1
Fabric: elastic polyurethane fiber cloth to be dyed
Dyestuff prescription:
Reactive Red K-2BP 5g/L
Glauber salt 50 g/L
Soda ash 40g/L
Caustic soda 6g/L
Levelling agent 1 g/L
Technological process:
(1) pre-treatment: elastic polyurethane fiber cloth to be dyed is immersed and helps agent 8g/L, sodium carbonate 8g/L, bleeding agent PTM 2g/L containing cold, 2A refining agent 0.5 g/L, in the solution of SEM-35 emulsifying agent 0.5g/L, temperature 20 DEG C, in the condition of relative humidity 70%, seal the time 8h that banks up.
(2) dye: room temperature adds levelling agent, adds the red K-2BP of dye activity, adopt normal temperature and pressure overflow dyeing machine, run 20 minutes, add the short dye of glauber salt, add follow-up reforwarding row 20 minutes, 1 ~ 1.5 DEG C/min is warming up to 60 DEG C, add soda ash, caustic soda fixation more respectively, continue operation 20 minutes, dyeing temperature 70 DEG C, totally 50 minutes time.
(3) first time washing: adopt 30 DEG C of mass-flows to rinse, fully wash away residual unreacted dyestuff.
(4) soap: the detergent of employing is SW 3g/L, chelated dispersants ARSK 2g/L, 94 DEG C of soap boiling 20min, bath raio 1:25.
(5) second time washing: adopt 50 DEG C of warm water to carry out multipass flushing.
(6) soft: adding concentration is after the softener softness of the organic silicon modified by polyether of 40g/L, dehydration.
(7) open-width: the speed of a motor vehicle of open-width is generally 10 ~ 15m/min, the too high meeting of the speed of a motor vehicle causes circular fabric running tension irregular, also easily produces folding line and fine wrinkle.
(8) dry: at 100 DEG C, dry with dryer.
(9) finishing and packing, obtains product, and product physical index test result is in table 1.
embodiment 2
Fabric: elastic polyurethane fiber cloth to be dyed
Dyestuff prescription:
Reactive orange K-GN 12g/L
Glauber salt 60 g/L,
Soda ash 50g/L,
Caustic soda 10g/L,
Levelling agent 2 g/L
Technological process:
(1) pre-treatment: elastic polyurethane fiber cloth to be dyed is immersed and helps agent 12g/L, sodium metasilicate 12g/L, bleeding agent PTM 4g/L, 2A refining agent 0.8 g/L containing cold, in the solution of SEM-35 emulsifying agent 1g/L, temperature 25 DEG C, in the condition of relative humidity 70%, seals the time 8h that banks up.
(2) dye: room temperature adds levelling agent, adds dye activity orange K-GN, adopt normal temperature and pressure overflow dyeing machine, run 20 minutes, add the short dye of glauber salt, add follow-up reforwarding row 20 minutes, 1 ~ 1.5 DEG C/min is warming up to 60 DEG C, add soda ash, caustic soda fixation more respectively, continue operation 20 minutes, dyeing temperature 75 DEG C, totally 50 minutes time.
(3) first time washing: adopt 35 DEG C of mass-flows to rinse, fully wash away residual unreacted dyestuff.
(4) soap: the detergent of employing is SW 4g/L, chelated dispersants ARSK 3g/L, 98 DEG C of soap boiling 20min, bath raio 1:20.
(5) second time washing: adopt 50 DEG C of warm water to carry out multipass flushing.
(6) soft: adding concentration is after the softener softness of the organic silicon modified by polyether of 40g/L, dehydration.
(7) open-width: the speed of a motor vehicle of open-width is 10 ~ 15m/min, and the too high meeting of the speed of a motor vehicle causes circular fabric running tension irregular, also easily produces folding line and fine wrinkle.
(8) dry: at 100 DEG C, dry with dryer.
(9) finishing and packing, obtains product, and product physical index test result is in table 1.
embodiment 3
Fabric: elastic polyurethane fiber cloth to be dyed
Dyestuff prescription:
Reactive dye red M-3BE 8g/L
Glauber salt 55 g/L,
Soda ash 45g/L,
Caustic soda 8g/L,
Levelling agent 1 g/L
Technological process:
(1) pre-treatment: elastic polyurethane fiber cloth to be dyed is immersed and helps agent 10g/L, alkaline agent 8 ~ 12g/L, bleeding agent PTM 2 ~ 4g/L containing cold, 2A refining agent 0.6 g/L, in the solution of SEM-35 emulsifying agent 0.8g/L, temperature 0 DEG C, in the condition of relative humidity 70%, seal the time 8h that banks up.
(2) dye: room temperature adds levelling agent, adds the black KN-B of dye activity, adopt normal temperature and pressure overflow dyeing machine, run 20 minutes, add the short dye of glauber salt, add follow-up reforwarding row 20 minutes, 1 ~ 1.5 DEG C/min is warming up to 60 DEG C, add soda ash, caustic soda fixation more respectively, continue operation 20 minutes, dyeing temperature 78 DEG C, totally 60 minutes time.
(3) first time washing: adopt 40 DEG C of mass-flows to rinse, fully wash away residual unreacted dyestuff.
(4) soap: the detergent adopted in described soaping steps is SW 4g/L, chelated dispersants ARSK 3g/L, 98 DEG C of soap boiling 15min, bath raio 1:30.
(5) second time washing: adopt 50 DEG C of warm water to carry out multipass flushing.
(6) soft: adding concentration is after the softener softness of the organic silicon modified by polyether of 40g/L, dehydration.
(7) open-width: the speed of a motor vehicle of open-width is 10 ~ 15m/min, and the too high meeting of the speed of a motor vehicle causes circular fabric running tension irregular, also easily produces folding line and fine wrinkle.
(8) dry: at 100 DEG C, dry with dryer.
(9) finishing and packing, obtains product, and product physical index test result is in table 1.
embodiment 4
Fabric: elastic polyurethane fiber cloth to be dyed
Dyestuff prescription: reactive brilliant bule KN-G 5g/L
Glauber salt 50 g/L,
Soda ash 40g/L,
Caustic soda 6g/L,
Levelling agent 1 g/L
Technological process:
(1) pre-treatment: elastic polyurethane fiber cloth to be dyed is immersed and helps agent 8g/L, alkaline agent 8 ~ 12g/L, bleeding agent PTM 2g/L, 2A refining agent 0.8 g/L containing cold, SEM-35 emulsifying agent 0.5g/L, temperature 30 DEG C, in the condition of relative humidity 70%, seals the time 8h that banks up.
(2) dye: room temperature adds levelling agent, adds the gorgeous blue KN-G of dye activity, adopt normal temperature and pressure overflow dyeing machine, run 20 minutes, add the short dye of glauber salt, add follow-up reforwarding row 20 minutes, 1 ~ 1.5 DEG C/min is warming up to 60 DEG C, add soda ash, caustic soda fixation more respectively, continue operation 20 minutes, dyeing temperature 75 DEG C, totally 50 minutes time.
(3) first time washing: adopt 30 DEG C of mass-flows to rinse, fully wash away residual unreacted dyestuff.
(4) soap: the detergent of employing is SW 2g/L, chelated dispersants ARSK 2g/L, 92 DEG C of soap boiling 18min, bath raio 1:20.
(5) second time washing: adopt 50 DEG C of warm water to carry out multipass flushing.
(6) soft: adding concentration is after the softener softness of the organic silicon modified by polyether of 40g/L, dehydration.
(7) open-width: the speed of a motor vehicle of open-width is generally 10 ~ 15m/min, the too high meeting of the speed of a motor vehicle causes circular fabric running tension irregular, also easily produces folding line and fine wrinkle.
(8) dry: at 100 DEG C, dry with dryer.
(9) finishing and packing, obtains product, and product physical index test result is in table 1.
embodiment 5
Fabric: elastic polyurethane fiber cloth to be dyed
Dyestuff prescription: beautiful China real CA fast red 12g/L
Glauber salt 60 g/L,
Soda ash 50g/L,
Caustic soda 10g/L,
Levelling agent 2 g/L
Technological process:
(1) pre-treatment: elastic polyurethane fiber cloth to be dyed is entered and helps agent 12g/L containing cold, alkaline agent 12g/L, bleeding agent PTM 4g/L, 2A refining agent 0.8 g/L, SEM-35 emulsifying agent 1g/L, temperature 30 DEG C, in the condition of relative humidity 60%, seals the time 8h that banks up.
(2) dye: room temperature adds levelling agent, add the real fast red CA of the beautiful China of dyestuff, adopt normal temperature and pressure overflow dyeing machine, run 20 minutes, add the short dye of glauber salt, add follow-up reforwarding row 20 minutes, 1 ~ 1.5 DEG C/min is warming up to 60 DEG C, then adds soda ash, caustic soda fixation respectively, continues operation 20 minutes, dyeing temperature 85 DEG C, totally 55 minutes time.
(3) first time washing: adopt 40 DEG C of mass-flows to rinse, fully wash away residual unreacted dyestuff.
(4) soap: detergent is SW 2g/L, chelated dispersants ARSK 1g/L, 90 DEG C of soap boiling 20min, bath raio 1:20.
(5) second time washing: adopt 50 DEG C of warm water to carry out multipass flushing.
(6) soft: adding concentration is after the softener softness of the organic silicon modified by polyether of 40g/L, dehydration.
(7) open-width: the speed of a motor vehicle of open-width is generally 10 ~ 15m/min, the too high meeting of the speed of a motor vehicle causes circular fabric running tension irregular, also easily produces folding line and fine wrinkle.
(8) dry: at 100 DEG C, dry with dryer.
(9) finishing and packing, obtains product, and product physical index test result is in table 1.
embodiment 6
Fabric: elastic polyurethane fiber cloth to be dyed
Dyestuff prescription: the blue 10g/L of the real CA of beautiful China
Glauber salt 55 g/L,
Soda ash 45g/L,
Caustic soda 7g/L,
Levelling agent 1.5 g/L
Technological process:
(1) pre-treatment: elastic polyurethane fiber cloth to be dyed is entered and helps agent 9g/L containing cold, alkaline agent 8 ~ 12g/L, bleeding agent PTM 2.5g/L, 2A refining agent 0.6g/L, SEM-35 emulsifying agent 0.7g/L, temperature 28 DEG C, in the condition of relative humidity 65%, seals the time 8h that banks up.
(2) dye: room temperature adds levelling agent, add the real CA of the beautiful China of dyestuff blue, adopt normal temperature and pressure overflow dyeing machine, run 20 minutes, add the short dye of glauber salt, add follow-up reforwarding row 20 minutes, 1 ~ 1.5 DEG C/min is warming up to 60 DEG C, then adds soda ash, caustic soda fixation respectively, continues operation 20 minutes, dyeing temperature 70 DEG C, totally 60 minutes time.
(3) first time washing: adopt 30 DEG C of mass-flows to rinse, fully wash away residual unreacted dyestuff.
(4) soap: the detergent adopted in described soaping steps is SW 3g/L, chelated dispersants ARSK 2g/L, 90 ~ 98 DEG C of soap boiling 15min, bath raio 1:25.
(5) second time washing: adopt 50 DEG C of warm water to carry out multipass flushing.
(6) soft: adding concentration is after the softener softness of the organic silicon modified by polyether of 40g/L, dehydration.
(7) open-width: the speed of a motor vehicle of open-width is 10 ~ 15m/min, and the too high meeting of the speed of a motor vehicle causes circular fabric running tension irregular, also easily produces folding line and fine wrinkle.
(8) dry: at 100 DEG C, dry with dryer.
(9) finishing and packing, obtains product, and product physical index test result is in table 1.
table 1 six kinds of color finished product physical index test results
Those skilled in the art all should be appreciated that, without departing from the spirit or scope of the present invention, can carry out various modifications and variations to the present invention.Thus, if when any amendment or modification fall in the protection domain of appended claims and equivalent, think that these amendment and modification are contained in the present invention.
Claims (8)
1. an elastic polyurethane fiber cloth Cold Pad-Batch Dyeing with Reactive Dyes method, technical process comprises: pre-treatment, dyeing, first time wash, soap, second time washing, softness, dehydration, open-width, oven dry, it is characterized in that: described pre-treatment process adopts cold-pad-batch process, process conditions are coldly help agent 8 ~ 12g/L, alkaline agent 8 ~ 12g/L, bleeding agent PTM 2 ~ 4g/L, 2A refining agent 0.5 ~ 0.8 g/L, SEM-35 emulsifying agent 0.5 ~ 1g/L, temperature 20 ~ 30 DEG C, relative humidity 60 ~ 70%, seals the time 8h that banks up; Described dyeing cold-pad-batch process, the formula of dyeing is: REACTIVE DYES 5 ~ 12g/L, glauber salt consumption are 50 ~ 60 g/L, soda ash 40 ~ 50g/L, caustic soda 6 ~ 10g/L, levelling agent 1 ~ 2 g/L.
2. elastic polyurethane fiber cloth Cold Pad-Batch Dyeing with Reactive Dyes method according to claim 1, is characterized in that: described alkaline agent comprises sodium carbonate, sodium metasilicate, NaOH.
3. elastic polyurethane fiber cloth Cold Pad-Batch Dyeing with Reactive Dyes method according to claim 1, is characterized in that: described dyestuff is K type, KN type or CA type REACTIVE DYES.
4. elastic polyurethane fiber cloth Cold Pad-Batch Dyeing with Reactive Dyes method according to claim 1, is characterized in that: in described staining procedure, dyeing temperature 70 ~ 85 DEG C, 50 ~ 60 minutes time.
5. elastic polyurethane fiber cloth Cold Pad-Batch Dyeing with Reactive Dyes method according to claim 1, is characterized in that: the large cold water stream of described first time washing employing 30 ~ 40 DEG C rinses.
6. elastic polyurethane fiber cloth Cold Pad-Batch Dyeing with Reactive Dyes method according to claim 1, it is characterized in that: the detergent adopted in described soaping steps is SW 2 ~ 4g/L, chelated dispersants ARSK 1 ~ 3g/L, 90 ~ 98 DEG C of soap boiling 15 ~ 20min, bath raio 1:20 ~ 30.
7. elastic polyurethane fiber cloth Cold Pad-Batch Dyeing with Reactive Dyes method according to claim 1, is characterized in that: described second time washing employing 50 ~ 60 DEG C of Warm Wash.
8. elastic polyurethane fiber cloth Cold Pad-Batch Dyeing with Reactive Dyes method according to claim 1, is characterized in that: the softener adopted in described soft step is organic silicon modified by polyether.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105544252A (en) * | 2016-01-26 | 2016-05-04 | 杭州天宇印染有限公司 | Dyeing and finishing process for green chinlon/spandex side stretch fabric |
| CN105671727A (en) * | 2016-03-23 | 2016-06-15 | 福建七匹狼实业股份有限公司 | Production process of high-count and high-density long stapled cotton shirt fabric |
| CN110067071A (en) * | 2019-04-03 | 2019-07-30 | 广东智益纺织科技有限公司 | A kind of Tai Ji stone of cold-rolling heap staining cuts out knitting fabric and its production technology with type |
-
2015
- 2015-04-20 CN CN201510187204.5A patent/CN104818632A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105544252A (en) * | 2016-01-26 | 2016-05-04 | 杭州天宇印染有限公司 | Dyeing and finishing process for green chinlon/spandex side stretch fabric |
| CN105544252B (en) * | 2016-01-26 | 2018-10-26 | 杭州天宇印染有限公司 | A kind of dyeing and finishing technology of green brocade/spandex four sides elastic fabric |
| CN105671727A (en) * | 2016-03-23 | 2016-06-15 | 福建七匹狼实业股份有限公司 | Production process of high-count and high-density long stapled cotton shirt fabric |
| CN110067071A (en) * | 2019-04-03 | 2019-07-30 | 广东智益纺织科技有限公司 | A kind of Tai Ji stone of cold-rolling heap staining cuts out knitting fabric and its production technology with type |
| CN110067071B (en) * | 2019-04-03 | 2021-02-05 | 广东智益纺织科技有限公司 | Cold pad-batch dyed Taiji stone random-cut knitted fabric and production process thereof |
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