CN104711874B - Dyeing process of nylon fiber - Google Patents

Dyeing process of nylon fiber Download PDF

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CN104711874B
CN104711874B CN201510154309.0A CN201510154309A CN104711874B CN 104711874 B CN104711874 B CN 104711874B CN 201510154309 A CN201510154309 A CN 201510154309A CN 104711874 B CN104711874 B CN 104711874B
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nylon fiber
agent
dyeing
temperature
water
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CN104711874A (en
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袁英英
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袁英英
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Abstract

The invention provides a dyeing process of nylon fiber. The dyeing process comprises the following steps: pretreatment, presetting, dyeing soaping, color fixing, after finishing, drying, setting, calendering and winding. The dyeing process provided by the invention has the advantages that in the dyeing procedure, disperse dyes and acidic dyes are used for carrying out dyeing according to the own property of the nylon fiber, so that the dyeing effect is improved; the soaping and color-fixing processes are added, so that the dyeing firmness is good; in the color fixing process, environment-friendly formaldehyde-free TCD-R is adopted, and the fiber is dried in a step-by-step manner after color fixation, so that the firmness of the fiber is greatly improved; the after-finishing process is added, so that the color firmness and softness of the fabrics are improved and increased, the roughness of the fabrics is reduced, and further the fabrics are fluffy and elastic.

Description

A kind of dyeing of nylon fiber
Technical field
The present invention relates to the dyeing of a kind of nylon fiber.
Background technology
Fiber is divided into chemical fibre and natural fiber, and wherein chemical fibre is to be raw material with the macromolecular compound of natural polymer or synthetic, through preparing the fiber with textile performance that the operations such as spinning solution, spinning and post processing prepare.Have fast light, wear-resisting, washable easily do, do not go rotten, the advantage such as do not damaged by worms.It is widely used in manufacture clothing fabric, filter cloth, conveyer belt, rotary hose, rope, fishing net, suture electric insulated, medical, tyre cord and parachute etc..
Nylon fiber, formal name used at school is Fypro, belongs to the one in chemical fibre, owing to it has extremely excellent wear-resisting, cold-resistant, ventilative, ageing-resistant performance.So being widely used in field of textiles.Dyeing is an important process technique of chemical fibre, needs to use various dyestuff, including disperse dyes, reactive dye, acid stain etc. in dyeing.Nylon fiber is due to the character of himself fiber, and its dyeing speed is fast, and level-dyeing property is poor, and color rendering properties or depth are poor, and dyefastness is low.Its Color of dyestuff taking single type is very poor.
For expanding economy, it is necessary to develop the dyeing of a kind of new nylon fiber.
Summary of the invention
Goal of the invention: the invention aims to solve the deficiencies in the prior art, it is provided that the dyeing of a kind of nylon fiber.
Technical scheme: in order to realize object above, the dyeing of a kind of nylon fiber of the present invention, comprise the following steps:
(1) pre-treatment: nylon fiber is carried out pre-treatment, particularly as follows: use carbamide 1-1.5g/L, non-phosphorus degreasing agent 4.5-5.5 g/L, dodecylbenzene sodium sulfonate 1-1.5 g/L, 60% hydrogen peroxide 2-3 g/L, oxidation desizing agent OS 0.8-1.2 g/L, processing 2-3 min in 30 DEG C of water-baths, bath raio is 20:1, and then water-bath heats up, programming rate is 2.5 DEG C/min, after temperature rises to 90 DEG C, keeping 30-40min at this temperature, then bath temperature is lowered the temperature with the speed of 1.5 DEG C/min, when temperature is down to 60 DEG C, waste water after processing is discharged, and then refilling clear water and at room temperature rinsing to washing liquid is neutrality, finally dries;This step have employed non-phosphorus degreasing agent and carry out oil removing, use this alkaline relatively mild alkaline matter of carbamide, hydrogen peroxide, oxidation desizing agent OS, surfactant sodium dodecyl base benzene sulfonic acid sodium salt are simultaneously introduced it, wherein oxidation desizing agent OS and hydrogen peroxide can occur synergism, improve pretreating effect, under the synergism of these materials, high treating effect to impurity, mild condition simultaneously, injury to fabric is less, meanwhile, and environment-protecting asepsis, the waste water produced is the most phosphorous, does not results in the environmental hazards such as eutrophication;Wherein, the oxidation desizing agent OS that oxidation desizing agent OS produces selected from Nantong C&T Textile Technology Co., Ltd.;
(2) pre-setting: by pre-setting machine, nylon fiber being made pre-setting and processes, during pre-setting, setting temperature is 160-170 DEG C, and speed is 20-30m/min, overfeeding 5-10%;
(3) dyeing: the nylon fiber after pre-setting is carried out dyeing process, particularly as follows: immersed by nylon fiber in the clear water of staining machine under room temperature, then adds penetrating agent 1.5-2.5g/L, diffusant DN 0.8-1.2g/L, levelling agent in water-bath 0.5-0.8%(owf), disperse dyes 1.0-1.3%(owf), acid stain 1.0-1.3%(owf), bath raio 40:1, and by pH buffer agent Acetic acid-sodium acetate, the pH value of dye liquor is adjusted to 4.5-5.5, cyclically charging material 20min, then staining machine heats up, programming rate is 1 DEG C/min, when temperature rises to 60-70 DEG C, insulation dyeing 20-30min, then staining machine heats up, programming rate is 1 DEG C/min, when temperature rises to 95-105 DEG C, insulation dyeing 60-80min, then staining machine cooling, cooling rate is 2 DEG C/min, when temperature is down to 40 DEG C, dyestuff water is discharged and injected clear water again, 15min is rinsed with clear water;Disperse dyes and acid stain are combined by this step and dyes, two kinds of dyestuffs cooperate, the dye-uptake finally dyeed is greatly improved, Color more optimizes, simultaneously, in dyeing course, it is also added into the auxiliary agent such as penetrating agent, levelling agent diffusant, under the effect of these auxiliary agents, further enhancing Color and efficiency;It addition, in this step in order to better control over the accurate pH value of dyeing demand, add pH buffer agent and be adjusted controlling, so can accurate control ph, make Color optimal;The disperse dyes and the reactive dye that use in this step can use commercially available Conventional dye, but the performance of two kinds of dyestuffs can not be conflicted mutually, and its concrete selection can select disperse dyes disperse red LRL, acid stain Xylene Red S-2B;
(4) soap: the nylon fiber after dyeing is rinsed 10min through room temperature clear water After, then with low temperature soaping agent 1g/L, bath raio is 20:1, rinses 15 min, rinse 15min with the clear water of 40-50 DEG C the most again at 60-70 DEG C;
(5) fixation: the nylon fiber after cleaning is put into and carried out fixation in fixation liquid, described fixation liquid contains Sal 3-5g/L, color fixing agent 2-4g/L, the glacial acetic acid 1g/L of 50%, bath raio is 20:1, color fixing temperature 60-70 DEG C, the fixation time is 30-40min, and then temperature reduces, and 40-50 DEG C is rinsed 15min with clear water, then by dehydrator at 80 DEG C of preliminary drying 4 min, then 3 min are baked at 110 DEG C;
(6) Final finishing: nylon fiber is put into and carries out soft treatment in soft treatment liquid, be carried out in three steps, particularly as follows:
A () is with containing cellulase 2%(owf), when pH value being adjusted to 4.8-5 by pH buffer agent Acetic acid-sodium acetate, bath raio be 20:1 treatment fluid in process, temperature is 45-55 DEG C, react 20-30min, then wash;This cellulase is the cellulase that Beijing Double helix microbiological culture media products factory produces;
B () is after step a, then put into by nylon fiber in anti-ultraviolet treatment fluid and process, and with UV resistance finishing agent UV-BS 3-4 g/L, processes 20-30 min in the water-bath of 30-40 DEG C, and bath raio is 20:1;Adding the anti-uv of nylon fiber, significantly reduce the ultraviolet ray transmissivity of finish fabric, improve ultraviolet shaded coefficient, this finishing agent is that Nantong C&T Textile Technology Co., Ltd. produces;
C () is after step b, then put in mixed treating liquid by nylon fiber and process, with softening agent 1-2 g/L, antibacterial finishing agent 1-2 G/L, crease and shrink resistant finishing agent GFR-8 0.8-1.2 g/L, process 20-30 min in the water-bath of 30-40 DEG C, and bath raio is 20:1;Through three step Final finishing so that the overall performance of nylon fabric is more preferable;Crease and shrink resistant finishing agent GFR-8 is that Nantong C&T Textile Technology Co., Ltd. produces, can with the use of the blending such as other finishing agents such as softening agent,
(7) drying: put into by the nylon fiber after soft treatment in dehydrator and carry out drying and processing, dry temperature 100-110 DEG C, locomotive speed is 65-70m/min;
(8) sizing: being put into by the nylon fiber of drying in forming machine and carry out heat treatment, setting temperature 155-165 DEG C, locomotive speed is 25-30m/min, overfeeding 5-8%;
(9) calendering: the nylon fiber after sizing being put into calender and carries out calendering process, calendering temperature 115-125 DEG C, locomotive speed is 20-25m/min;
(10) rolling: nylon fiber is carried out rolling.
Non-phosphorus degreasing agent in described step 1 be without phosphorus neutrality deoil spirit TF-104M.The present invention use without phosphorus neutrality deoil spirit TF-104M be Zhejiang Province Chuanhua Co., Ltd produce development of evil in febrile disease board deoil spirit TF-104M, dispersion, emulsifying, moistening, good penetrability, foam is low, strong detergency, have desizing simultaneously concurrently, brighten, prevent dyestuff from condensing, guarantee to dye the even unique function such as gorgeous, and do not damage fiber, to nylon fabric fanout free region.
Penetrating agent in described step 3 is penetrating agent JFC, and levelling agent receives Levegal RL levelling agent for opening up.
Low temperature soaping agent in described step 4 is JY-1103D soaping agent.Low temperature soaping agent JY-1103D is acrylic acid-ethylene pyrrole network alkanone-maleic anhydride tercopolymer copolymerization product, and product has good colloid property.When using this soaping agent to soap, under the conditions of 60-70 DEG C, hydroxyl, amino and carboxyl during the lactam structure in polyethylene pyrrole network alkanone structure makes it with dye molecule have the strongest adhesion, form complex with dyestuff, prevent that dyestuff is counter to be stained with on fabric.
Color fixing agent in described step 5 is TCD-R.The color fixing agent that the present invention uses is the aldehyde-free colour stabilizer TCD-R that Guangdong Demei Fine Chemical Co., Ltd. produces, and environmentally friendly, colour fixation is good.
Softening agent in described step 6 is ester based quaternary ammonium salt softening agent, and antibacterial finishing agent is antibacterial finishing agent GQ-100.The ester based quaternary ammonium salt softening agent that the present invention uses can select the softening agents such as EQ400 or EQ200 of Korea S LG chemistry, and harmless to skin gentleness so that nylon fabric has flexibility and antistatic behaviour, environmentally friendly, soft effect is good.Antibacterial finishing agent GQ-100 is the antibacterial finishing agent that Nantong C&T Textile Technology Co., Ltd. produces, this reagent is than only environment-protecting asepsis, non-stimulated, without anaphylaxis, outside antibacterial effect, also have the effect such as softness, antistatic concurrently, share with softening agent, further enhancing soft effect.
Beneficial effect: the dyeing of the nylon fiber that the present invention provides compared with prior art, has the advantage that
1, the present invention strictly controls the consumption of temperature, time and auxiliary agent in pretreatment process, the most do not add the material that the alkalescence of soda is stronger, the pH value making pretreatment liquid is eventually held in about neutrality, processing environment is gentle, damage to nylon fiber is little, Environmentally-friephosphorus-free phosphorus-free degreaser centered by the degreaser simultaneously used, the pollution to environment is little, more environmental protection;
2, the present invention is in dyeing process, employs disperse dyes and acid stain, and two kinds of dyestuffs combine so that Color is the most superior;In dyeing course, the control of pH value is controlled by pH so that the acid-base value environment of dyeing can optimize further, and Color is good;
3, the present invention is in dyeing process, strictly controls intensification rate of temperature fall, and dyeing time so that fabric dyeing firmness height, even dyeing, dye stability are good;
4, the present invention is carrying out reduction cleaning after dyeing, removes the loose colour of fabric surface so that it is pure color light, also assures that dyefastness simultaneously;
5, the present invention adds color fixing process after dyeing, have employed the environmental protection TCD-R without aldehyde, is progressively dried nylon fiber after fixation so that the firmness of nylon fiber is greatly improved in color fixing process;
6, present invention adds Final finishing science and engineering skill, the performances such as the color fastness of fabric, pliability, uviolresistance, antibiotic property are improved, use in processes simultaneously and first process with cellulase, then arrange with finishing agent, process compared with a common step, its treatment effect is the most superior, simultaneously during arranging, when the mixing of multiple finishing agent, the finishing agent of various selections is while playing respective effect, may also operate as the effect being mutually reinforcing, cooperative effect is good;
7, the present invention have employed calendering process further, makes the bright and clean smooth of fabric, can improve feel further, make feel more soft fluffy, ensures that washing shrinkage meets requirement simultaneously;
8, the present invention pretreatment, dye, the temperature of several operations such as sizing relatively more steady, such process conditions jumping characteristic is less, and technics comparing is steady so that the final performance of fabric is more stable;
9, the dyeing of the present invention efficiently, environmental protection, technique simple, simple operation, can promote the use of.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in detail; but explanation protection scope of the present invention is not limited to the concrete scope of the present embodiment simultaneously; based on the embodiment in the present invention; the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly falls into the scope of protection of the invention.
Embodiment 1
The dyeing of a kind of nylon fiber, comprises the following steps:
(1) pre-treatment: nylon fiber is carried out pre-treatment, particularly as follows: use carbamide 1g/L, without phosphorus neutrality deoil spirit TF-104M 4.5 g/L, dodecylbenzene sodium sulfonate 1 g/L, 60% hydrogen peroxide 2 g/L, oxidation desizing agent OS 0.8 g/L, 2-3 min is processed in 30 DEG C of water-baths, bath raio is 20:1, then water-bath heats up, programming rate is 2.5 DEG C/min, after temperature rises to 90 DEG C, keep 30-40min at this temperature, then bath temperature is lowered the temperature with the speed of 1.5 DEG C/min, when temperature is down to 60 DEG C, waste water after processing is discharged, then refill clear water at room temperature to rinse to washing liquid as neutral, finally dry;
(2) pre-setting: by pre-setting machine, nylon fiber being made pre-setting and processes, during pre-setting, setting temperature is 160 DEG C, and speed is 20m/min, overfeeding 5%;
(3) dyeing: the nylon fiber after pre-setting is carried out dyeing process, particularly as follows: immersed by nylon fiber in the clear water of staining machine under room temperature, then adds penetrating agent JFC in water-bath 1.5g/L, diffusant DN 0.8g/L, open up and receive Levegal RL levelling agent 0.5%(owf), disperse dyes disperse red LRL 1.0%(owf), acid stain Xylene Red S-2B 1.0%(owf), bath raio 40:1, and by pH buffer agent Acetic acid-sodium acetate, the pH value of dye liquor is adjusted to 4.5, cyclically charging material 20min, then staining machine heats up, programming rate is 1 DEG C/min, when temperature rises to 60 DEG C, insulation dyeing 20min, then staining machine heats up, programming rate is 1 DEG C/min, when temperature rises to 95 DEG C, insulation dyeing 60min, then staining machine cooling, cooling rate is 2 DEG C/min, when temperature is down to 40 DEG C, dyestuff water is discharged and injected clear water again, 15min is rinsed with clear water;
(4) soap: the nylon fiber after dyeing is rinsed 10min through room temperature clear water After, then with low temperature soaping agent JY-1103D 1g/L, bath raio is 20:1, rinses 15 min, rinse 15min with the clear water of 40 DEG C the most again at 60 DEG C;
(5) fixation: the nylon fiber after cleaning is put into and carried out fixation in fixation liquid, described fixation liquid contains Sal 3g/L, color fixing agent TCD-R 2g/L, the glacial acetic acid 1g/L of 50%, bath raio is 20:1, color fixing temperature 60 DEG C, the fixation time is 30min, and then temperature reduces, and 40-DEG C is rinsed 15min with clear water, then by dehydrator at 80 DEG C of preliminary drying 4 min, then 3 min are baked at 110 DEG C;
(6) Final finishing: nylon fiber is put into and carries out soft treatment in soft treatment liquid, be carried out in three steps, particularly as follows:
A () is with containing cellulase 2%(owf), when pH value being adjusted to 4.8 by pH buffer agent Acetic acid-sodium acetate, bath raio be 20:1 treatment fluid in process, temperature is 45 DEG C, react 20min, then wash;
B () is after step a, then put into by nylon fiber in anti-ultraviolet treatment fluid and process, and with UV resistance finishing agent UV-BS 3g/L, processes 20min in the water-bath of 30 DEG C, and bath raio is 20:1;
C () is after step b, then put in mixed treating liquid by nylon fiber and process, with softening agent EQ200 1 g/L, antibacterial finishing agent GQ-100 1 g/L, crease and shrink resistant finishing agent GFR-8 0.8 g/L, processes 20 in the water-bath of 30 DEG C Min, bath raio is 20:1;
(7) drying: put into by the nylon fiber after soft treatment in dehydrator and carry out drying and processing, dry temperature 100 DEG C, locomotive speed is 65m/min;
(8) sizing: being put into by the nylon fiber of drying in forming machine and carry out heat treatment, setting temperature 155 DEG C, locomotive speed is 25m/min, overfeeding 5%;
(9) calendering: the nylon fiber after sizing being put into calender and carries out calendering process, calendering temperature 115 DEG C, locomotive speed is 20m/min;
(10) rolling: nylon fiber is carried out rolling.
Embodiment 2
The dyeing of a kind of nylon fiber, comprises the following steps:
(1) pre-treatment: nylon fiber is carried out pre-treatment, particularly as follows: use carbamide 1.2g/L, without phosphorus neutrality deoil spirit TF-104M 5 g/L, dodecylbenzene sodium sulfonate 1.2 g/L, 60% hydrogen peroxide 2.5 g/L, oxidation desizing agent OS 1g/L, processing 2-3 min in 30 DEG C of water-baths, bath raio is 20:1, and then water-bath heats up, programming rate is 2.5 DEG C/min, after temperature rises to 90 DEG C, keeping 35min at this temperature, then bath temperature is lowered the temperature with the speed of 1.5 DEG C/min, when temperature is down to 60 DEG C, waste water after processing is discharged, and then refilling clear water and at room temperature rinsing to washing liquid is neutrality, finally dries;
(2) pre-setting: by pre-setting machine, nylon fiber being made pre-setting and processes, during pre-setting, setting temperature is 165 DEG C, and speed is 25m/min, overfeeding 8%;
(3) dyeing: the nylon fiber after pre-setting is carried out dyeing process, particularly as follows: immersed by nylon fiber in the clear water of staining machine under room temperature, then adds penetrating agent JFC in water-bath 2g/L, diffusant DN 1g/L, open up and receive Levegal RL levelling agent 0.65%(owf), disperse dyes disperse red LRL 1.15%(owf), acid stain Xylene Red S-2B 1.15%(owf), bath raio 40:1, and by pH buffer agent Acetic acid-sodium acetate, the pH value of dye liquor is adjusted to 5, cyclically charging material 20min, then staining machine heats up, programming rate is 1 DEG C/min, when temperature rises to 65 DEG C, insulation dyeing 25min, then staining machine heats up, programming rate is 1 DEG C/min, when temperature rises to 100 DEG C, insulation dyeing 70min, then staining machine cooling, cooling rate is 2 DEG C/min, when temperature is down to 40 DEG C, dyestuff water is discharged and injected clear water again, 15min is rinsed with clear water;
(4) soap: the nylon fiber after dyeing is rinsed 10min through room temperature clear water After, then with low temperature soaping agent JY-1103D 1g/L, bath raio is 20:1, rinses 15 min, rinse 15min with the clear water of 45 DEG C the most again at 65 DEG C;
(5) fixation: the nylon fiber after cleaning is put into and carried out fixation in fixation liquid, described fixation liquid contains Sal 4g/L, color fixing agent TCD-R 3g/L, the glacial acetic acid 1g/L of 50%, bath raio is 20:1, color fixing temperature 65 DEG C, the fixation time is 35min, and then temperature reduces, and 45 DEG C are rinsed 15min with clear water, then by dehydrator at 80 DEG C of preliminary drying 4 min, then 3 min are baked at 110 DEG C;
(6) Final finishing: nylon fiber is put into and carries out soft treatment in soft treatment liquid, be carried out in three steps, particularly as follows:
A () is with containing cellulase 2%(owf), when pH value being adjusted to 4.9 by pH buffer agent Acetic acid-sodium acetate, bath raio be 20:1 treatment fluid in process, temperature is 50 DEG C, react 25min, then wash;
B () is after step a, then put into by nylon fiber in anti-ultraviolet treatment fluid and process, and with UV resistance finishing agent UV-BS 3.5 g/L, processes 25 min in the water-bath of 35 DEG C, and bath raio is 20:1;
C () is after step b, then put in mixed treating liquid by nylon fiber and process, with softening agent EQ200 1.5 g/L, antibacterial finishing agent GQ-100 1.5 g/L, crease and shrink resistant finishing agent GFR-8 1g/L, processes 25min in the water-bath of 35 DEG C, and bath raio is 20:1;
(7) drying: put into by the nylon fiber after soft treatment in dehydrator and carry out drying and processing, dry temperature 105 DEG C, locomotive speed is 68m/min;
(8) sizing: being put into by the nylon fiber of drying in forming machine and carry out heat treatment, setting temperature 160 DEG C, locomotive speed is 28m/min, overfeeding 6%;
(9) calendering: the nylon fiber after sizing being put into calender and carries out calendering process, calendering temperature 115-125 DEG C, locomotive speed is 22m/min;
(10) rolling: nylon fiber is carried out rolling.
Embodiment 3
The dyeing of a kind of nylon fiber, comprises the following steps:
(1) pre-treatment: nylon fiber is carried out pre-treatment, particularly as follows: use carbamide 1.5g/L, without phosphorus neutrality deoil spirit TF-104M 5.5 g/L, dodecylbenzene sodium sulfonate 1.5 g/L, 60% hydrogen peroxide 3 g/L, oxidation desizing agent OS 1.2 g/L, processing 2-3 min in 30 DEG C of water-baths, bath raio is 20:1, and then water-bath heats up, programming rate is 2.5 DEG C/min, after temperature rises to 90 DEG C, keeping 40min at this temperature, then bath temperature is lowered the temperature with the speed of 1.5 DEG C/min, when temperature is down to 60 DEG C, waste water after processing is discharged, and then refilling clear water and at room temperature rinsing to washing liquid is neutrality, finally dries;
(2) pre-setting: by pre-setting machine, nylon fiber being made pre-setting and processes, during pre-setting, setting temperature is 170 DEG C, and speed is 30m/min, overfeeding 10%;
(3) dyeing: the nylon fiber after pre-setting is carried out dyeing process, particularly as follows: immersed by nylon fiber in the clear water of staining machine under room temperature, then adds penetrating agent JFC in water-bath 2.5g/L, diffusant DN 1.2g/L, open up and receive Levegal RL levelling agent 0.8%(owf), disperse dyes disperse red LRL 1.3%(owf), acid stain Xylene Red S-2B 1.3%(owf), bath raio 40:1, and by pH buffer agent Acetic acid-sodium acetate, the pH value of dye liquor is adjusted to 5.5, cyclically charging material 20min, then staining machine heats up, programming rate is 1 DEG C/min, when temperature rises to 70 DEG C, insulation dyeing 30min, then staining machine heats up, programming rate is 1 DEG C/min, when temperature rises to 105 DEG C, insulation dyeing 80min, then staining machine cooling, cooling rate is 2 DEG C/min, when temperature is down to 40 DEG C, dyestuff water is discharged and injected clear water again, 15min is rinsed with clear water;
(4) soap: the nylon fiber after dyeing is rinsed 10min through room temperature clear water After, then with low temperature soaping agent JY-1103D 1g/L, bath raio is 20:1, rinses 15 min, rinse 15min with the clear water of 50 DEG C the most again at 70 DEG C;
(5) fixation: the nylon fiber after cleaning is put into and carried out fixation in fixation liquid, described fixation liquid contains Sal 5g/L, color fixing agent TCD-R 4g/L, the glacial acetic acid 1g/L of 50%, bath raio is 20:1, color fixing temperature 70 DEG C, the fixation time is 40min, and then temperature reduces, and 50 DEG C are rinsed 15min with clear water, then by dehydrator at 80 DEG C of preliminary drying 4 min, then 3 min are baked at 110 DEG C;
(6) Final finishing: nylon fiber is put into and carries out soft treatment in soft treatment liquid, be carried out in three steps, particularly as follows:
A () is with containing cellulase 2%(owf), when pH value being adjusted to 5 by pH buffer agent Acetic acid-sodium acetate, bath raio be 20:1 treatment fluid in process, temperature is 55 DEG C, react 30min, then wash;
B () is after step a, then put into by nylon fiber in anti-ultraviolet treatment fluid and process, and with UV resistance finishing agent UV-BS 4 g/L, processes 30 min in the water-bath of 40 DEG C, and bath raio is 20:1;
C () is after step b, then put in mixed treating liquid by nylon fiber and process, with softening agent EQ200 2 g/L, antibacterial finishing agent GQ-100 2 g/L, crease and shrink resistant finishing agent GFR-8 1.2 g/L, process 30 in the water-bath of 40 DEG C Min, bath raio is 20:1;
(7) drying: put into by the nylon fiber after soft treatment in dehydrator and carry out drying and processing, dry temperature 110 DEG C, locomotive speed is 70m/min;
(8) sizing: being put into by the nylon fiber of drying in forming machine and carry out heat treatment, setting temperature 165 DEG C, locomotive speed is 30m/min, overfeeding 8%;
(9) calendering: the nylon fiber after sizing being put into calender and carries out calendering process, calendering temperature 125 DEG C, locomotive speed is 25m/min;
(10) rolling: nylon fiber is carried out rolling.
The present invention uses the technical scheme of above-described embodiment, in dyeing course, character for nylon fiber self, disperse dyes and the two kinds of dyestuff of acid stain is used to dye, improve Color, finally make its dye-uptake of nylon fabric after dyeing more than 90%, greatly exceed the dye-uptake of like product, its degree of fixation can also reach about 90%, colour fixation is good, the fabric simultaneously obtained after dyeing, also it is carried out the test of WASHING COLOR FASTNESS and colour fastness to rubbing, test result shows, it is done, fastness to wet rubbing, soaping fastness is preferable, all reach more than 4 grades, its antibiotic property simultaneously, flexibility, the performances such as uviolresistance are preferable.
As can be seen here, using the fabric that the colouring method of technical scheme obtains, its more square various aspects of performance is the most superior.
Above-described embodiment, only for technology design and the feature of the explanation present invention, its objective is to allow and is familiar with these those skilled in the art and will appreciate that present disclosure and implement according to this, can not limit the scope of the invention with this.All according to the equivalents done by spirit of the invention or modification, all should contain within protection scope of the present invention.

Claims (6)

1. the dyeing of a nylon fiber, it is characterised in that: comprise the following steps:
(1) pre-treatment: nylon fiber is carried out pre-treatment, particularly as follows: use carbamide 1-1.5g/L, non-phosphorus degreasing agent 4.5-5.5 g/L, dodecylbenzene sodium sulfonate 1-1.5 g/L, 60% hydrogen peroxide 2-3 g/L, oxidation desizing agent OS 0.8-1.2 g/L, 2-3 min is processed in 30 DEG C of water-baths, bath raio is 20:1, then water-bath heats up, programming rate is 2.5 DEG C/min, after temperature rises to 90 DEG C, keep 30-40min at this temperature, then bath temperature is lowered the temperature with the speed of 1.5 DEG C/min, when temperature is down to 60 DEG C, waste water after processing is discharged, then refill clear water at room temperature to rinse to washing liquid as neutral, finally dry;
(2) pre-setting: by pre-setting machine, nylon fiber being made pre-setting and processes, during pre-setting, setting temperature is 160-170 DEG C, and speed is 20-30m/min, overfeeding 5-10%;
null(3) dyeing: the nylon fiber after pre-setting is carried out dyeing process,Particularly as follows: nylon fiber is immersed under room temperature in the clear water of staining machine,Then in water-bath, add penetrating agent 1.5-2.5g/L,Diffusant DN 0.8-1.2g/L,Levelling agent 0.5-0.8%(owf),Disperse dyes 1.0-1.3%(owf),Acid stain 1.0-1.3%(owf),Bath raio 40:1,And by pH buffer agent Acetic acid-sodium acetate, the pH value of dye liquor is adjusted to 4.5-5.5,Cyclically charging material 20min,Then staining machine heats up,Programming rate is 1 DEG C/min,When temperature rises to 60-70 DEG C,Insulation dyeing 20-30min,Then staining machine heats up,Programming rate is 1 DEG C/min,When temperature rises to 95-105 DEG C,Insulation dyeing 60-80min,Then staining machine cooling,Cooling rate is 2 DEG C/min,When temperature is down to 40 DEG C,Dyestuff water is discharged and injected clear water again,15min is rinsed with clear water;
(4) soap: the nylon fiber after dyeing is rinsed after 10min through room temperature clear water, then with low temperature soaping agent 1g/L, bath raio is 20:1, rinses 15 min, the most again with the clear water flushing 15min of 40-50 DEG C at 60-70 DEG C;
(5) fixation: the nylon fiber after cleaning is put into and carried out fixation in fixation liquid, described fixation liquid contains Sal 3-5g/L, color fixing agent 2-4g/L, the glacial acetic acid 1g/L of 50%, bath raio is 20:1, color fixing temperature 60-70 DEG C, the fixation time is 30-40min, and then temperature reduces, and 40-50 DEG C is rinsed 15min with clear water, then by dehydrator at 80 DEG C of preliminary drying 4 min, then 3 min are baked at 110 DEG C;
(6) Final finishing: nylon fiber is put into and carries out soft treatment in soft treatment liquid, be carried out in three steps, particularly as follows:
A () is with containing cellulase 2%(owf), when pH value being adjusted to 4.8-5 by pH buffer agent Acetic acid-sodium acetate, bath raio be 20:1 treatment fluid in process, temperature is 45-55 DEG C, react 20-30min, then wash;
B () is after step a, then put into by nylon fiber in anti-ultraviolet treatment fluid and process, and with UV resistance finishing agent UV-BS 3-4 g/L, processes 20-30 min in the water-bath of 30-40 DEG C, and bath raio is 20:1;
C () is after step b, then put in mixed treating liquid by nylon fiber and process, with softening agent 1-2 g/L, antibacterial finishing agent 1-2 g/L, crease and shrink resistant finishing agent GFR-8 0.8-1.2 g/L, processes 20-30 min in the water-bath of 30-40 DEG C, and bath raio is 20:1;
(7) drying: put into by the nylon fiber after soft treatment in dehydrator and carry out drying and processing, dry temperature 100-110 DEG C, locomotive speed is 65-70m/min;
(8) sizing: being put into by the nylon fiber of drying in forming machine and carry out heat treatment, setting temperature 155-165 DEG C, locomotive speed is 25-30m/min, overfeeding 5-8%;
(9) calendering: the nylon fiber after sizing being put into calender and carries out calendering process, calendering temperature 115-125 DEG C, locomotive speed is 20-25m/min;
(10) rolling: nylon fiber is carried out rolling.
The dyeing of nylon fiber the most according to claim 1, it is characterised in that: the non-phosphorus degreasing agent in described step 1 be without phosphorus neutrality deoil spirit TF-104M.
The dyeing of nylon fiber the most according to claim 1, it is characterised in that: the penetrating agent in described step 3 is penetrating agent JFC, and levelling agent receives Levegal RL levelling agent for opening up.
The dyeing of nylon fiber the most according to claim 1, it is characterised in that: the low temperature soaping agent in described step 4 is JY-1103D soaping agent.
The dyeing of nylon fiber the most according to claim 1, it is characterised in that: the color fixing agent in described step 5 is TCD-R.
The dyeing of nylon fiber the most according to claim 1, it is characterised in that: the softening agent in described step 6 is ester based quaternary ammonium salt softening agent, and antibacterial finishing agent is antibacterial finishing agent GQ-100.
CN201510154309.0A 2015-04-02 2015-04-02 Dyeing process of nylon fiber Expired - Fee Related CN104711874B (en)

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