CN104060429B - The low-carbon (LC) colouring method of polyester knitting fluffing leather base cloth - Google Patents
The low-carbon (LC) colouring method of polyester knitting fluffing leather base cloth Download PDFInfo
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- CN104060429B CN104060429B CN201410234186.7A CN201410234186A CN104060429B CN 104060429 B CN104060429 B CN 104060429B CN 201410234186 A CN201410234186 A CN 201410234186A CN 104060429 B CN104060429 B CN 104060429B
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Abstract
The present invention relates to a kind of textile printing and dyeing method, especially relate to the low-carbon (LC) colouring method of a kind of polyester knitting fluffing leather base cloth.Its dyeing temperature mainly solving the colouring method employing existing for prior art is higher, and the time of dyeing process is longer, and steam consumption is comparatively large, and power consumption is also higher, and production cost is higher, and the technical problem more not environmentally waited.The present invention is optimized by the holding temperature, programming rate, process auxiliary agent etc. in the pre-treatment to polyester knitting leather base cloth, this white, light dyeing, namely pre-treatment or dyeing temperature is reduced, and accelerate heating rate, thus reach energy-saving and cost-reducing object, reduce power consumption, steam consumption to a certain extent, realize " low-carbon (LC) " dyeing and finishing processing.
Description
Technical field
The present invention relates to a kind of textile printing and dyeing method, especially relate to the low-carbon (LC) colouring method of a kind of polyester knitting fluffing leather base cloth.
Background technology
At present, in conjunction fibre, output is maximum, purposes is the widest for polyster fibre, but because terylene is hydrophobic fibre, inner molecular structure is quite tight, large molecule lacks polar group, and dyestuff is difficult to directly be adsorbed and upper dye by fiber, is difficult to carry out dyeing and finishing processing under normal temperature condition, the polyester fibre at high temp and pressure decoration method of current use comparative maturity is suitable for the production of small lot, multi items, and because its dyeing is even, color development is bright-coloured pure and obtain domestic and international dyeing extensive use.Chinese patent discloses the method (publication number: CN103556495A) of a kind of Polyester Textiles dyeing, it comprises the following steps: 1) dye liquor preparation: mixed liquor DISPERSE DYES, dispersant and acid buffering agent being placed in alcohol organic solvent and water, is mixed with dye liquor after stirring; 2) dye: dye liquor and Polyester Textiles are placed in dyeing machine, then dye liquor are warming up to 120-130 DEG C with the speed of 1-2 DEG C/min, dyeing time is 25-35 minute; 3) cleaning solution preparation: mixed liquor soap flakes and sodium carbonate being placed in alcohol organic solvent and water, is mixed with cleaning solution after stirring; 4) wash: the Polyester Textiles after dyeing is put into cleaning solution and washs, wash temperature is 95 DEG C, and wash time is 10 minutes; 5) post processing: dried by the Polyester Textiles after washing, bake out temperature is 80 DEG C; 6) tentering: the Polyester Textiles after post processing is put into stenter and carries out tentering, the humidity in stenter is not more than 6%; 7) preshrunk: the Polyester Textiles after tentering is put into preshrinking machine and carries 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, steam consumption is comparatively large, and power consumption is also higher, and production cost is higher, and more not environmentally.
Summary of the invention
The present invention is to provide the low-carbon (LC) colouring method of a kind of polyester knitting fluffing leather base cloth, its dyeing temperature mainly solving the colouring method employing existing for prior art is 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 more not environmentally waited.
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 DEG C, suspend and heat up, open and make into cloth, entering after cloth completes evenly throws in machine cylinder by material bucket by scouring agent, the auxiliary agents such as spirit that deoil, scouring agent consumption is 1.5-2.5g/L, the clever consumption that deoils is 0.5-1.5g/L, then press the ramp of 2 DEG C/more than min to 110-120 DEG C, and be incubated 25-35min, finally cool to 80-90 DEG C by the speed of 2 DEG C/more than min, carry out draining, neutralization, water washing operations, body being washed to pH value is about 6.5-7.5, then carries out Colour Difference;
B. the low temperature process process of this white: add enough water in machine cylinder, when temperature is gone straight up to 65-75 DEG C, suspend and heat up, machine cylinder put into by the cloth starting to be processed by step a, enter cloth complete after by material bucket by scouring agent, the auxiliary agents such as spirit that deoil evenly are 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 be warming up to 100-110 DEG C by the heating rate of 2 DEG C/more than min, and be incubated 30min, finally cool to 85-90 DEG C by the rate of temperature fall of 2 DEG C/more than min, carry out draining, neutralization, washing, body being washed to pH value is after 6.5-7.5, directly go out cloth, later process is sent to do pre-setting after dehydration, plucking, finished product is shaped,
C. the low temperature dyeing process of light color: add enough water in machine cylinder, when temperature is gone straight up to 65-75 DEG C, suspend and heat up, machine cylinder put into by the cloth starting to be processed by step b, entering after cloth completes evenly throws in machine cylinder by material bucket by dyestuff, feed time is about 8-12min, beat material standby cylinder running 8-12 minute, dye liquor after body is evenly distributed by normal dyeing heating rate 0.8-1.2 DEG C/min, be warmed up to 125-130 DEG C, carry out insulation 25-35min, finally cool to 85-90 DEG C by the speed of 2 DEG C/more than min, draining, water inlet, namely the polyester knitting fluffing leather base cloth finished product after dyeing is gone out after abundant washing.
Society requires more and more stricter to textile and dyeing industry energy-conserving and environment-protective, the small enterprise fallen behind for production capacity progressively eliminates.Textile printing and dyeing industry need walk out the road for development of " low-carbon (LC) ", otherwise relevant enterprise will take a step only difficult, among the predicament being absorbed in development.Especially the requirement index that energy consumption is fallen to each printing and dyeing enterprise by environmental administration, reduction of discharging is put is strict year by year, make printing and dyeing enterprise to the re-examine such as technique, production procedure, management mode of the product of processing separately, drop into manpower and materials constantly to 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 on the basis of the pre-treatment of existing terylene chemical fibre, dyeing, go to reduce the temperature of technique 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, because intensity is large when treatment effect does not have high temperature, so the good scouring agent of clean effect need be selected to be processed, and stains the consumption that serious grey cloth also needs to strengthen auxiliary agent.
Dye formulation, selects low, middle warm type DISPERSE DYES as far as possible.And be not suitable for the large dark color formula dyeing of dye dosage.The holding temperature of described dyeing, need depend on used dyestuff performance, as being all high temperature modification dyestuff, then can not adopt low temperature dyeing method.
In dyeing, rate of temperature fall is chosen as and lands vertically, because also needing plucking process after polyester knitting fluffing leather base cloth dyeing, so spend less demanding after dyeing to shank, therefore can fast cooling, to save the process time.
As preferably, described polyester knitting fluffing leather base cloth is the industrial cloth for artificial leather such as 75D facecloth, 50D28 pin double-sided cloth.
As preferably, the cloth after described step b process is first bent into zigzag, is then warmed up to 100 DEG C and carries out heat treatment, and then carry out the process of step c, after step c process completes, then stretch, thus makes cloth recover straightened condition.After cloth is bent into zigzag, its in machine cylinder can better with dye contacts, thus Color is better.
As preferably, the cloth after described step b process, first extrudes some circular shrinkage hole with needle plate at the outer surface of grey cloth, then carries out the dyeing process of step c.Dyestuff can enter in shrinkage pool and station, and during intensification, dyestuff can overflow in shrinkage pool, and dye to grey cloth, effect is better.
As preferably, described dyeing machine is High Temperature High Pressure overflow-jet dyeing machine.
Therefore, the present invention goes according to the characteristic of institute's converted products the temperature reducing technique, reduces the process time, to reach minimizing steam consumption, reduces the object of power consumption, thus greatly reduces production cost, and comparatively environmental protection.
Detailed description of the invention
Below by embodiment, technical scheme of the present invention is described in further detail.
Embodiment: the low-carbon (LC) colouring method of the polyester knitting fluffing leather base cloth of this example, 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 DEG C, suspend and heat up, open and make into cloth, entering after cloth completes evenly throws in machine cylinder by material bucket by scouring agent, the auxiliary agents such as spirit that deoil, scouring agent consumption is 2g/L, the clever consumption that deoils is 1g/L, then be warming up to 110 DEG C by maximum heating rate, and be incubated 30min, finally cool to 85 DEG C by maximum rate, carry out the operations such as draining, neutralization, washing, body being washed to pH value is about 6.5-7.5, then carries out Colour Difference;
B. the low temperature process process of this white: machine cylinder inflow is 3-3.5 ton, when temperature is gone straight up to 70 DEG C, suspend and heat up, machine cylinder put into by the cloth starting to be processed by step a, enter cloth complete after by material bucket by scouring agent, the auxiliary agents such as spirit that deoil evenly are thrown in machine cylinder, scouring agent consumption is 2g/L, the clever consumption that deoils is 1g/L, then be warming up to 100 DEG C by maximum heating rate, and be incubated 30min, finally cool to 85 DEG C by maximum rate, carry out draining, neutralization, the operations such as washing, body being washed to pH value is after 6.5-7.5, directly go out cloth, later process is sent to do pre-setting after dehydration, plucking, finished product is shaped,
C. the low temperature dyeing process of light color: 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 DEG C, suspend and heat up, machine cylinder put into by the cloth starting to be processed by step b, entering after cloth completes evenly throws in machine cylinder by material bucket by dyestuff, feed time is about 10min, play the standby cylinder of material to operate 10 minutes, dye liquor after body is evenly distributed by normal dyeing heating rate 0.8-1.2 DEG C/min, within the scope of 125 ~ 130 DEG C, holding temperature is selected according to dye type in formula, and be incubated 30min, finally cool to 85 DEG C by maximum rate, draining, water inlet, namely the polyester knitting fluffing leather base cloth finished product after dyeing is gone out after abundant washing.
With original technics comparing:
The pre-treatment of former terylene chemical fibre and Ben Baibu technique are 3.5 tons, machine cylinder water, and 30 DEG C start to heat up, and speed is 1.5 DEG C/min, are raised to 135 DEG C of insulation 30min, take 100min, need electricity 36 degree, need steam 1.1 tons/cylinder.Now hoist temperature-resistant, heating rate changes into goes straight up to, and holding temperature changes 100 DEG C into, and insulation 30min, takes 60min, needs electricity 22 degree, needs steam 0.7 ton.Calculate by this, the time saves 100-60=40min/ cylinder, and electricity saves 36-22=12 degree/cylinder, and steam saves 1.1-0.7=0.4 ton/cylinder.
Former terylene chemical fibre dyeing is 3.5 tons, machine cylinder water, and 30 DEG C start to heat up, and Mean Speed is 1 DEG C/min, is raised to 135 DEG C of insulation 30min, takes 135min, need electricity 49 degree, need steam 1.1 tons/cylinder.Now other are constant, and holding temperature drops to 125 degree from 135 degree, and the required steam of intensification 10 degree about 0.1 ton saved by every cylinder cloth, and save time 10min.(the High Temperature High Pressure overflow of above data for using during sample---record in jet dyeing machine.）
The foregoing is only specific embodiments of the invention, but architectural feature of the present invention is not limited thereto, any those skilled in the art is in the field of the invention, and the change done or modification are all encompassed among the scope of the claims of the present invention.
Claims (3)
1. a low-carbon (LC) colouring method for polyester knitting fluffing leather base cloth, 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 DEG C, suspend and heat up, start into cloth, entering after cloth completes evenly throws in machine cylinder by material bucket by scouring agent, spirit of deoiling, scouring agent consumption is 1.5-2.5g/L, the clever consumption that deoils is 0.5-1.5g/L, then press the ramp of 2 DEG C/min to 110-120 DEG C, and be incubated 25-35min, finally cool to 80-90 DEG C by the speed of 2 DEG C/min, carry out draining, neutralization, water washing operations, body being washed to pH value is 6.5-7.5, then carries out Colour Difference;
B. the low temperature process process of this white: add enough water in machine cylinder, when temperature is gone straight up to 65-75 DEG C, suspend and heat up, machine cylinder put into by the cloth starting to be processed by step a, enter cloth complete after by material bucket by scouring agent, spirit of deoiling evenly is 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 be warming up to 100-110 DEG C by the heating rate of 2 DEG C/min, and be incubated 30min, finally cool to 85-90 DEG C by the rate of temperature fall of 2 DEG C/min, carry out draining, neutralization, washing, body being washed to pH value is after 6.5-7.5, directly go out cloth, later process is sent to do pre-setting after dehydration, plucking, then cloth is first bent into zigzag, be warmed up to 100 DEG C and carry out heat treatment,
C. the low temperature dyeing process of light color: add enough water in machine cylinder, when temperature is gone straight up to 65-75 DEG C, suspend and heat up, machine cylinder put into by the cloth starting to be processed by step b, entering after cloth completes evenly throws in machine cylinder by material bucket by dyestuff, feed time is 8-12min, beat material standby cylinder running 8-12 minute, dye liquor after body is evenly distributed by normal dyeing heating rate 0.8-1.2 DEG C/min, be warmed up to 125-130 DEG C, carry out insulation 25-35min, finally cool to 85-90 DEG C by the speed of 2 DEG C/min, draining, water inlet, after abundant washing, stretch again, namely the polyester knitting fluffing leather base cloth finished product after dyeing is gone out,
Cloth after step b process first extrudes some circular shrinkage hole with needle plate at the outer surface of grey cloth, then carries out the dyeing process of step c.
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 75D facecloth, 50D/28 pin double-sided cloth for artificial leather industrial cloth.
3. 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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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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