CN104060429A - Low carbon dyeing method for terylene knit suede leather base cloth - Google Patents
Low carbon dyeing method for terylene knit suede leather base cloth Download PDFInfo
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- CN104060429A CN104060429A CN201410234186.7A CN201410234186A CN104060429A CN 104060429 A CN104060429 A CN 104060429A CN 201410234186 A CN201410234186 A CN 201410234186A CN 104060429 A CN104060429 A CN 104060429A
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Abstract
The invention relates to a textile dye printing method, in particular to a low carbon dyeing method for terylene knit suede leather base cloth, and mainly aims to solve the problem in the prior art that the conventional dyeing method adopts a relatively high dyeing temperature, a relatively long dyeing process time, a relatively large steam consumption, a relatively high electricity consumption, and a relatively high manufacturing cost, and is relatively less environment-friendly. According to the invention, heat preservation temperature, heating rate, treat assistants, and the like in the pretreatment, raw white dyeing technology and light color dyeing technology of the terylene knit leather base cloth are optimized, i.e., the pretreatment or the dyeing temperature is reduced and the heating rate is increased, so that the purpose of energy conservation and consumption reduction is achieved, the electricity consumption and the steam consumption are reduced to some extent, and the 'low carbon' dyeing and finishing processing is realized.
Description
Technical field
The present invention relates to a kind of textile printing and dyeing method, especially relate to a kind of low-carbon (LC) colouring method of polyester knitting fluffing leather base cloth.
Background technology
At present, polyster fibre output in closing fibre is maximum, purposes is the widest, but because terylene is hydrophobic fibre, interior molecules structure is quite tight, large molecule lacks polar group, dyestuff be difficult to by fiber directly absorption and on dye, under normal temperature condition, be difficult to carry out dyeing and finishing processing, the polyester fibre at high temp and pressure decoration method of use comparative maturity is suitable for the production of small lot, many kinds at present, because its dyeing is even, the bright-coloured pure domestic and international dyeing extensive use that obtains of color development.Chinese patent discloses a kind of method (publication number: CN103556495 A) of Polyester Textiles dyeing, it comprises the following steps: 1) dye liquor preparation: DISPERSE DYES, dispersant and sour buffer are placed in to the mixed liquor of alcohol organic solvent and water, are mixed with dye liquor after stirring; 2) dyeing: dye liquor and Polyester Textiles are placed in to dyeing machine, then dye liquor are warming up to 120-130 ℃ with the speed of 1-2 ℃/min, dyeing time is 25-35 minute; 3) cleaning solution preparation: soap flakes and sodium carbonate are placed in to the mixed liquor of alcohol organic solvent and water, are mixed with cleaning solution after stirring; 4) washing: the Polyester Textiles after dyeing is put into cleaning solution and wash, wash temperature is 95 ℃, and wash time is 10 minutes; 5) post processing: the Polyester Textiles after washing is dried, and bake out temperature is 80 ℃; 6) tentering: the Polyester Textiles after post processing is put into stenter and carry out tentering, the humidity in stenter is not more than 6%; 7) preshrunk: the Polyester Textiles after tentering is put into preshrinking machine and carry out preshrunk; 8) cloth-inspecting rolling: shape and check Polyester Textiles, by testing the clot of volume combination machine.But the dyeing temperature that this colouring method adopts is higher, and the time of dyeing process is longer, and steam consumption is larger, and power consumption is also higher, and production cost is higher, and more not environmental protection.
Summary of the invention
The present invention is to provide a kind of low-carbon (LC) colouring method of polyester knitting fluffing leather base cloth, it is mainly that to solve the dyeing temperature that the existing colouring method of prior art adopts higher, the time of dyeing process is longer, steam consumption is larger, power consumption is also higher, production cost is higher, and the technical problem of more not environmental protection etc.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals:
The low-carbon (LC) colouring method of polyester knitting fluffing leather base cloth of the present invention, is characterized in that described method comprises:
A. low temperature pre-treatment: machine cylinder enters enough water, when temperature is gone straight up to 65-75 ℃, suspend and heat up, open and make into cloth, after entering cloth and completing, by material bucket, scouring agent, the auxiliary agents such as spirit that deoil are evenly thrown in machine cylinder, scouring agent consumption is 1.5-2.5g/L, the clever consumption that deoils is 0.5-1.5g/L, then by 2 ℃/more than min speed, be warming up to 110-120 ℃, and be incubated 25-35min, and finally by 2 ℃/more than min speed, cool to 80-90 ℃, carry out draining, neutralization, washing operation, it is 6.5-7.5 left and right that body is washed to pH value, the processing of then dyeing;
B. this white low temperature process is processed: in machine cylinder, add enough water, when temperature is gone straight up to 65-75 ℃, suspend and heat up, the cloth that starts that step a is handled is put into machine cylinder, after entering cloth and completing by material bucket by scouring agent, the auxiliary agents such as spirit that deoil are evenly thrown in machine cylinder, scouring agent consumption is 1.5-2.5g/L, the clever consumption that deoils is 0.5-1.5g/L, then by 2 ℃/more than min heating rate, be warming up to 100-110 ℃, and be incubated 30min, finally by 2 ℃/more than min rate of temperature fall, cool to 85-90 ℃, carry out draining, neutralization, washing, after body is washed to pH value and is 6.5-7.5, directly go out cloth, after dehydration, send later process to do pre-setting, plucking, finished product sizing,
C. the low temperature dyeing of light color is processed: in machine cylinder, add enough water, when temperature is gone straight up to 65-75 ℃, suspend and heat up, the cloth that starts that step b is handled is put into machine cylinder, after entering cloth and completing, by material bucket, dyestuff is evenly thrown in machine cylinder, feed time is 8-12min left and right, beaten material standby cylinder running 8-12 minute, dye liquor after body is evenly distributed by 0.8-1.2 ℃/min of normal dyeing heating rate, be warmed up to 125-130 ℃, be incubated 25-35min, finally by 2 ℃/more than min speed, cool to 85-90 ℃, draining, water inlet, fully after washing, go out the polyester knitting fluffing leather base cloth finished product after dyeing.
Society requires more and more stricter to textile and dyeing industry energy-conserving and environment-protective, the small enterprise falling behind for production capacity progressively eliminates.Textile printing and dyeing industry need be walked out the road for development of " low-carbon (LC) ", otherwise that relevant enterprise will take a step is only difficult, is absorbed among the predicament of development.Especially environmental administration to each printing and dyeing enterprise energy consumption is fallen, reduce discharging put require index strict year by year, make printing and dyeing enterprise to re-examines such as the technique of the product of processing separately, production procedure, management modes, drop into manpower and materials and constantly improve, innovate, make every effort to survival and development.The application of " low-carbon (LC) " dyeing of polyester knitting fluffing leather base cloth, object of the present invention is exactly in the pre-treatment of existing terylene chemical fibre, go to reduce the temperature of technique on the basis of dyeing according to the characteristic of institute's converted products, reduce the process time, to reach minimizing steam consumption, reduce the object of power consumption.
The final finished characteristic of this type of polyester knitting fluffing leather base cloth depends on the plucking effect in rear road, and the change of technique can not affect plucking effect.
During low temperature pre-treatment, scouring agent consumption is 2g/L, and the clever consumption that deoils is 1g/L, and while there is no high temperature due to treatment effect, intensity is not large, thus need to select the good scouring agent of clean effect to be processed, and stain the consumption that serious grey cloth also needs to strengthen auxiliary agent.
Dye formulation is selected low, middle warm type DISPERSE DYES as far as possible.And be not suitable for the dark color formula dyeing that dye dosage is large.The holding temperature of described dyeing, need depend on dyestuff performance used, as being all high temperature modification dyestuff, can not adopt low temperature dyeing method.
In dyeing, rate of temperature fall is chosen as and lands vertically, because also needing plucking processing after the dyeing of polyester knitting fluffing leather base cloth, so after dyeing, shank is spent less demanding, therefore can fast cooling, to save the process time.
As preferably, described polyester knitting fluffing leather base cloth is that 75D facecloth, 50D28 pin double-sided cloth etc. are for the industrial cloth of artificial leather.
As preferably, the cloth after described step b processes is first bent into zigzag, is then warmed up to 100 ℃ and carries out heat treatment, and then carry out the processing of step c, after step c finishes dealing with, then stretches, thereby makes cloth recover straightened condition.Cloth is bent into after zigzag, and it can contact with dyestuff better in machine cylinder, thereby Color is better.
As preferably, the cloth after described step b processes, first extrudes some circular shrinkage hole with needle plate at the outer surface of grey cloth, then carries out the dyeing processing of step c.Dyestuff can enter in shrinkage pool and station, and during intensification, dyestuff can overflow in shrinkage pool, and grey cloth is dyeed, and effect is better.
As preferably, described dyeing machine is High Temperature High Pressure overflow-jet dyeing machine.
Therefore, the present invention goes to reduce the temperature of technique according to the characteristic of institute's converted products, reduces the process time, and to reach minimizing steam consumption, reduce the object of power consumption, thereby greatly reduce production cost, and comparatively environmental protection.
The specific embodiment
Below by embodiment, technical scheme of the present invention is described in further detail.
Embodiment: the low-carbon (LC) colouring method of this routine polyester knitting fluffing leather base cloth, employing be 75D facecloth, the steps include:
A. low temperature pre-treatment: machine cylinder inflow is 3-3.5 ton, when temperature is gone straight up to 70 ℃, suspend and heat up, open and make into cloth, after entering cloth and completing, by material bucket, scouring agent, the auxiliary agents such as spirit that deoil are evenly thrown in machine cylinder, scouring agent consumption is 2g/L, the clever consumption that deoils is 1g/L, then by maximum heating rate, be warming up to 110 ℃, and be incubated 30min, and finally by maximum rate, cool to 85 ℃, carry out the operations such as draining, neutralization, washing, it is 6.5-7.5 left and right that body is washed to pH value, the processing of then dyeing;
B. this white low temperature process is processed: machine cylinder inflow is 3-3.5 ton, when temperature is gone straight up to 70 ℃, suspend and heat up, the cloth that starts that step a is handled is put into machine cylinder, after entering cloth and completing by material bucket by scouring agent, the auxiliary agents such as spirit that deoil are evenly thrown in machine cylinder, scouring agent consumption is 2g/L, the clever consumption that deoils is 1g/L, then by maximum heating rate, be warming up to 100 ℃, and be incubated 30min, finally by maximum rate, cool to 85 ℃, carry out draining, neutralization, the operations such as washing, after body is washed to pH value and is 6.5-7.5, directly go out cloth, after dehydration, send later process to do pre-setting, plucking, finished product sizing,
C. the low temperature dyeing of light color is processed: select low, middle warm type DISPERSE DYES is main dyeing recipe, machine cylinder inflow is 3-3.5 ton, when temperature is gone straight up to 70 ℃, suspend and heat up, the cloth that starts that step b is handled is put into machine cylinder, after entering cloth and completing, by material bucket, dyestuff is evenly thrown in machine cylinder, feed time is 10min left and right, played material standby cylinder running 10 minutes, dye liquor after body is evenly distributed by 0.8-1.2 ℃/min of normal dyeing heating rate, according to dye type in formula, within the scope of 125 ~ 130 ℃, select holding temperature, and be incubated 30min, finally by maximum rate, cool to 85 ℃, draining, water inlet, fully after washing, go out the polyester knitting fluffing leather base cloth finished product after dyeing.
With original technique comparison:
The pre-treatment of former terylene chemical fibre and Ben Baibu technique are 3.5 tons of machine cylinder waters, and 30 ℃ start to heat up, and speed is 1.5 ℃/min, are raised to 135 ℃ of insulation 30min, take 100min, need electricity 36 degree, need 1.1 tons/cylinder of steam.Now hoist temperature-resistant, heating rate changes into goes straight up to, and holding temperature changes 100 ℃ into, and insulation 30min, takes 60min, needs electricity 22 degree, needs 0.7 ton of steam.By this, calculate, the time is saved 100-60=40min/ cylinder, and electricity is saved 36-22=12 degree/cylinder, and steam is saved 1.1-0.7=0.4 ton/cylinder.
Former terylene chemical fibre dyeing is 3.5 tons of machine cylinder waters, and 30 ℃ start to heat up, and Mean Speed is 1 ℃/min, is raised to 135 ℃ of insulation 30min, takes 135min, needs electricity 49 degree, needs 1.1 tons/cylinder of steam.Now other are constant, and holding temperature drops to 125 degree from 135 degree, and every cylinder cloth is saved the 10 degree 0.1 ton of left and right of required steam of heating up, and 10min saves time.(the High Temperature High Pressure overflow of using when above data are sample---in jet dyeing machine, record.）
The foregoing is only specific embodiments of the invention, but architectural feature of the present invention is not limited to this, any those skilled in the art is in the field of the invention, and the variation of doing or modification are all encompassed among the scope of the claims of the present invention.
Claims (5)
1. a low-carbon (LC) colouring method for base cloth is removed from office in polyester knitting fluffing, it is characterized in that described method comprises:
A. low temperature pre-treatment: machine cylinder enters enough water, when temperature is gone straight up to 65-75 ℃, suspend and heat up, open and make into cloth, after entering cloth and completing, by material bucket, scouring agent, the auxiliary agents such as spirit that deoil are evenly thrown in machine cylinder, scouring agent consumption is 1.5-2.5g/L, the clever consumption that deoils is 0.5-1.5g/L, then by 2 ℃/more than min speed, be warming up to 110-120 ℃, and be incubated 25-35min, and finally by 2 ℃/more than min speed, cool to 80-90 ℃, carry out draining, neutralization, washing operation, it is 6.5-7.5 left and right that body is washed to pH value, the processing of then dyeing;
B. this white low temperature process is processed: in machine cylinder, add enough water, when temperature is gone straight up to 65-75 ℃, suspend and heat up, the cloth that starts that step a is handled is put into machine cylinder, after entering cloth and completing by material bucket by scouring agent, the auxiliary agents such as spirit that deoil are evenly thrown in machine cylinder, scouring agent consumption is 1.5-2.5g/L, the clever consumption that deoils is 0.5-1.5g/L, then by 2 ℃/more than min heating rate, be warming up to 100-110 ℃, and be incubated 30min, finally by 2 ℃/more than min rate of temperature fall, cool to 85-90 ℃, carry out draining, neutralization, washing, after body is washed to pH value and is 6.5-7.5, directly go out cloth, after dehydration, send later process to do pre-setting, plucking, finished product sizing,
C. the low temperature dyeing of light color is processed: in machine cylinder, add enough water, when temperature is gone straight up to 65-75 ℃, suspend and heat up, the cloth that starts that step b is handled is put into machine cylinder, after entering cloth and completing, by material bucket, dyestuff is evenly thrown in machine cylinder, feed time is 8-12min left and right, beaten material standby cylinder running 8-12 minute, dye liquor after body is evenly distributed by 0.8-1.2 ℃/min of normal dyeing heating rate, be warmed up to 125-130 ℃, be incubated 25-35min, finally by 2 ℃/more than min speed, cool to 85-90 ℃, draining, water inlet, fully after washing, go out the polyester knitting fluffing leather base cloth finished product after dyeing.
2. the low-carbon (LC) colouring method of polyester knitting fluffing leather base cloth according to claim 1, is characterized in that described polyester knitting fluffing leather base cloth is that 75D facecloth, 50D28 pin double-sided cloth etc. are for the industrial cloth of artificial leather.
3. the low-carbon (LC) colouring method of base cloth is removed from office in polyester knitting fluffing according to claim 1, it is characterized in that the cloth after described step b processes is first bent into zigzag, then be warmed up to 100 ℃ and carry out heat treatment, and then carry out the processing of step c, after step c finishes dealing with, stretch again, thereby make cloth recover straightened condition.
4. the low-carbon (LC) colouring method of polyester knitting fluffing leather base cloth according to claim 1, is characterized in that the cloth after described step b processes, and first with needle plate, at the outer surface of grey cloth, extrudes some circular shrinkage hole, then carries out the dyeing processing of step c.
5. the low-carbon (LC) colouring method of polyester knitting fluffing leather base cloth according to claim 1, is characterized in that described dyeing machine is High Temperature High Pressure overflow-jet dyeing machine.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105926326A (en) * | 2016-05-06 | 2016-09-07 | 吴江福华织造有限公司 | Dyeing and finishing production technology for polyester through hole texture fabric |
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2014
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Patent Citations (7)
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| CN1834336A (en) * | 2005-03-15 | 2006-09-20 | 朱樑 | Low temp fast dyeing method of polyester fibre |
| CN102321980A (en) * | 2011-08-22 | 2012-01-18 | 江苏金辰针纺织有限公司 | Method for dyeing terylene fabric with low temperature |
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| CN105926326A (en) * | 2016-05-06 | 2016-09-07 | 吴江福华织造有限公司 | Dyeing and finishing production technology for polyester through hole texture fabric |
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Effective date of registration: 20210120 Address after: 311200 No.1, Meisheng Road, Nanyang street, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee after: Shengshan Group Co.,Ltd. Address before: 311227 No.1, Meisheng Road, Nanyang Economic Development Zone, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee before: ZHEJIANG SHENGSHAN TECHNOLOGY TEXTILE Co.,Ltd. |
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