CN104746369A - Acid dye dyeing process for acrylic fiber - Google Patents
Acid dye dyeing process for acrylic fiber Download PDFInfo
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Abstract
The invention provides an acid dye dyeing process for an acrylic fiber. The acid dye dyeing process comprises the following steps: pre-treatment, pre-setting, modified treatment, dyeing; soaping, fixation, after-treatment, drying, setting, calendaring and rolling. According to the invention, the modified treatment step is added, and acrylic fabric is fundamentally subjected to modified treatment, so that the dyeing rate of the fabric is increased; and the difficulty in the subsequent dyeing step is reduced. In the dyeing procedure, a conventional sodium carbonate substance is replaced with substitution alkali, the use amount is reduced, and meanwhile, the fixation effect is also enhanced, so that the washability of the acrylic fabric is further enhanced. Due to the addition of soaping and fixation processes, the dyeing fastness is good. Environment-friendly aldehyde-free TCD-R is adopted in the fixation process, and the fiber is gradually dried after fixation, so that the fastness of the fiber is greatly improved. Due to the addition of the after-treatment process, the color fastness and the softness of the fabric are improved; the roughness sense of the fabric is relieved; and the fabric is fluffy and elastic.
Description
Technical field
The present invention relates to a kind of chemical fibre field, especially a kind of acid dyeing technique of acrylic fibers.
Background technology
Chemical fibre is raw material with the macromolecular compound of natural polymer or Prof. Du Yucang, through preparing the fiber with textile performance that the operations such as spinning solution, spinning and post processing obtain.Have fast light, wear-resisting, easily wash easily do, do not go rotten, the advantage such as not damaged by worms.Be widely used in and manufacture clothing fabric, filter cloth, conveyer belt, rotary hose, rope, fishing net, electric insulated, medical suture, tyre cord and parachute etc.Acrylic fibers are also the one belonging to chemical fibre.
Dyeing is an important process technique of chemical fibre, needs to use various dyestuff in dyeing.Acrylic fibers have excellent bulkiness and resilience, have the title of artificial wool, inexpensive, are a kind of important wool spinning materials.Acrylic fibers are often with wool blended in process of production, and result in the dyeing difficult point of hair/nitrile fabric: acrylic fibers cationic dyeing on the one hand, and wool then uses anionic dyes (acid, active) dyeing.Acrylic fiber hydrophobicity, electronegativity hinder cation dyes to the diffusion of fibrous inside, thus cause the dye uptake in acrylic fiber cationic dyeing course low on the other hand.Basic hydrolysis fiber is mainly taked in the modification of current acrylic fiber, improves the hygroscopicity of fiber, and carries out the method that dyes by cation dyes or ACID DYES, the method to dye in raising ACID DYES without obviously promoting.
In order to expanding economy, also in order to respond country energy-conservation, reduce discharging, the call of environmental protection, be necessary to develop a kind of acid dyeing technique that can improve the acrylic fibers of ACID DYES dye-uptake.
Summary of the invention
Goal of the invention: the object of the invention is to solve the deficiencies in the prior art, provides a kind of acid dyeing technique of acrylic fibers.
Technical scheme: in order to realize above object, the acid dyeing technique of a kind of acrylic fibers of the present invention, comprises the following steps:
(1) pre-treatment: pre-treatment is carried out to acrylic fabric, be specially: use urea 1-1.5g/L, non-phosphorus degreasing agent 4.5-5.5 g/L, neopelex 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 process is discharged, then refill clear water at room temperature to rinse to washing lotion as neutral, finally dry, have employed non-phosphorus degreasing agent in this step and carry out oil removing, adopt this alkaline relatively mild alkaline matter of urea, add hydrogen peroxide, oxidation desizing agent OS, surfactant sodium dodecyl base benzene sulfonic acid sodium salt simultaneously, wherein oxidation desizing agent OS and hydrogen peroxide can act synergistically, improve pretreating effect, under the synergy of these materials, good to the treatment effect of impurity, mild condition simultaneously, less to the injury of fabric, meanwhile, environment-protecting asepsis, the waste water produced is not phosphorous, can not cause the environmental hazards such as eutrophication, wherein, the oxidation desizing agent OS that desizing agent OS is selected from Nantong C&T Textile Technology Co., Ltd.'s production is oxidized,
(2) pre-setting: by pre-setting machine, pre-setting process is done to acrylic fabric, in pre-setting process, setting temperature is 160-170 DEG C, and the speed of a motor vehicle is 20-30m/min, overfeeding 5-10%;
(3) modification: the acrylic fabric after sizing is immersed in modified solution and carries out modification, used modified solution is specially: hydroxylamine hydrochloride 8-12g/L, ammonium acetate 15-25g/L, bath raio 40:1, process 60min in the modified solution of described acrylic fabric at 75-85 DEG C, then dries after washing, this step carries out modification to acrylic fibers, abandon basic hydrolysis method in the past, but adopt hydroxylamine hydrochloride to carry out modification, hydroxylamine hydrochloride is a kind of special nucleophilic reactant, various types of itrile group can be transformed into amidoxime, the a large amount of itrile group contained in acrylic fiber macromolecular chain and hydroxylamine hydrochloride there occurs necleophilic reaction, change into hydrophilic amino, because modified fiber contains a large amount of ammonia keys, the hydrophily of fiber and anion stainability obtain very large enhancing, thus the stainability of ACID DYES in follow-up dyeing is improved greatly, the dye-uptake and the degree of fixation that are embodied in dyeing improve greatly, simultaneously, ammonium acetate is added in modification, this is the pH value in order to regulate modified solution, because the hydroxylamine hydrochloride aqueous solution is aobvious acid, in modification process, could there is necleophilic reaction in the itrile group of hydroxylamine hydrochloride and acrylic fiber under neutral or basic conditions, this just requires the pH value regulating pretreatment fluid, consider that acrylic fiber is easily hydrolyzed at the alkali condition itrile group of heat, so pretreatment reaction can only carry out in neutral conditions, added salt can only be the ammonium acetate of weakly acidic pH,
(4) dye: the acrylic fabric after modification is carried out dyeing process, be specially: under room temperature, fabric is immersed in the clear water of dyeing machine, then in water-bath, bleeding agent 1.5-2.5g/L is added, diffusant DN 0.8-1.2g/L, substitute alkali TF-221A 1.5-2 g/L, ACID DYES 1.5-2.5%(owf), bath raio 40:1, and by pH buffer Acetic acid-sodium acetate, the pH value of dye liquor is adjusted to 6.5-7.5, cyclically charging material 20min, then dyeing machine heats up, programming rate is 1 DEG C/min, when temperature rises to 98-100 DEG C, insulation dyeing 60-80min, then dyeing machine cooling, cooling rate is 2 DEG C/min, when temperature is down to 40 DEG C, dyestuff is discharged also injected clear water again, 15min is rinsed with clear water, owing to having carried out modification by modified solution to acrylic fabric before dyeing, therefore in the dyeing process of this step, operate comparatively easy, simultaneously in this step except dyestuff also adds substitute alkali TF-221A, substitute alkali TF-221A wherein then instead of the fixation alkali of the dyestuffs such as in the past conventional soda ash or NaOH, relative to materials such as soda ash, its buffer capacity of TF-221A is strong, during fixation alkali as dyeing, consumption also greatly reduces, be only about 10% of common alkali, due to the synergy of multiple alkali compounds, the ability controlling Value in Dyeing Process is stronger, can ensure that dyestuff is homogeneous, continue upper dye, control dyeing speed, fixation bath viscosity is little, the dyeing defect occurred because fixation bath viscosity is too large can be avoided, residual alkali is easy to eccysis, next step washing consumption can be saved, the development of evil in febrile disease board substitute alkali TF-221A that substitute alkali TF-221A in the present invention can adopt Zhejiang Province Chuanhua Co., Ltd to produce, meanwhile, also add the auxiliary agent such as bleeding agent and diffusant in this step, under the effect of these auxiliary agents, further enhancing Color and efficiency, in addition, use ACID DYES in this step, therefore need to control staining solution at acid weakly acidic pH, and in order to control the accurate pH value of dyeing demand better, add pH buffer and carry out regulable control, like this can accurate control ph, make Color best, the ACID DYES adopted in this step can use commercially available conventional acid dyestuff, such as acid red 3R, Acid blue B etc.,
(5) soap: rinsed after 10min through room temperature clear water by the acrylic fabric after dyeing, then use low temperature soaping agent 1g/L, bath raio is 20:1, rinses 15 min at 60-70 DEG C, finally rinse 15min with the clear water of 40-50 DEG C again;
(6) fixation: the acrylic fabric after cleaning is put into fixation liquid and carries out fixation, described fixation liquid contains salt 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 dryer at 80 DEG C of preliminary drying 4 min, then bake 3 min at 110 DEG C;
(7) Final finishing: acrylic fabric is put into soft treatment liquid and carry out soft treatment, carry out in two steps, be specially:
A () is with containing cellulase 2%(owf), when pH value being adjusted to 4.8-5 by pH buffer Acetic acid-sodium acetate, bath raio is process in the treatment fluid of 20:1, and temperature is 45-55 DEG C, and reaction 20-30min, then washes; This cellulase is the cellulase that Beijing double helix microbiological culture media products factory is produced;
B acrylic fabric after step a, then is put into antiultraviolet treatment fluid and is processed by (), with UV resistance finishing agent UV-BS 3-4 g/L, in the water-bath of 30-40 DEG C, process 20-30 min, bath raio is 20:1; Add the anti-uv of acrylic fabric, 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 acrylic fabric after step b, then is put into mixed treating liquid and is processed, with softener 1-2 g/L by (), 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; Through three step Final finishing, make the overall performance of acrylic fabric fabric better; Crease and shrink resistant finishing agent GFR-8 is that Nantong C&T Textile Technology Co., Ltd. produces, and can use with other finishing agents such as blendings such as softener,
(8) dry: the acrylic fabric after soft treatment is put into dryer and carries out drying and processing, bake out temperature 100-110 DEG C, locomotive speed is 65-70m/min;
(9) shape: the acrylic fabric of oven dry is put into setting machine and carries out heat treatment, setting temperature 155-165 DEG C, locomotive speed is 25-30m/min, overfeeding 5-8%;
(10) calendering: the acrylic fabric after sizing is put into calender and carries out calendering process, calendering temperature 115-125 DEG C, locomotive speed is 20-25m/min;
(11) rolling: acrylic fabric is carried out rolling.
Non-phosphorus degreasing agent in described step 1 is that without phosphorus neutrality is deoiled clever TF-104M.The without phosphorus neutrality that the present invention the adopts clever TF-104M that deoils is that the development of evil in febrile disease board that Zhejiang Province Chuanhua Co., Ltd produces deoils clever TF-104M, dispersion, emulsification, wetting, good penetrability, foam is low, strong detergency, have destarch simultaneously concurrently, brighten, prevent dyestuff from condensing, guarantee the even unique function such as gorgeous of dyeing, and do not damage fiber, to acrylic fabric fabric fanout free region.
Bleeding agent in described step 4 is penetrating agent JFC.
Low temperature soaping agent in described step 5 is JY-1103D soaping agent.Low temperature soaping agent JY-1103D is AA-E pyrrole network alkane ketone-maleic anhydride tercopolymer copolymerization product, and product has good colloid property.When adopting this soaping agent to soap, under 60-70 DEG C of condition, the lactam structure in polyethylene pyrrole network alkane ketone structure makes the hydroxyl in itself and dye molecule, amino and carboxyl have very strong adhesion, forms complex compound with dyestuff, prevents that dyestuff is counter to be stained with on fabric.
Color-fixing agent in described step 6 is TCD-R.The color-fixing agent that the present invention adopts is the aldehyde-free colour stabilizer TCD-R that Guangdong Demei Fine Chemical Co., Ltd. produces, and environmentally friendly, colour fixation is good.
Softener in described step 7 is ester based quaternary ammonium salt softener, and antibacterial finishing agent is antibacterial finishing agent GQ-100.The ester based quaternary ammonium salt softener that the present invention adopts can select the softeners such as EQ400 or EQ200 of Korea S LG chemistry, and harmless to skin gentleness, make acrylic fabric fabric have 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 reagents ratio only environment-protecting asepsis, non-stimulated, without allergic reaction, outside antibacterial effect, also have softness, the effect such as antistatic concurrently, share with softener, further enhancing soft effect.
Beneficial effect: the acid dyeing technique of acrylic fibers provided by the invention compared with prior art, has the following advantages:
1, the present invention strictly controls the consumption of temperature, time and auxiliary agent in pretreatment process, do not add the material that the alkalescence of soda ash is stronger simultaneously, the pH value of pretreatment liquid is made finally to remain on neutral left and right, processing environment is gentle, little to the damage of acrylic fabric, Environmentally-friephosphorus-free phosphorus-free degreaser centered by the degreaser simultaneously adopted, little to the pollution of environment, more environmental protection;
2, the present invention is before dyeing process, adds modifying processing step, fundamentally carries out modification to the performance of acrylic fabric fabric, adds the dye uptake of fabric, reduce the difficulty of follow-up staining procedure; Meanwhile, method of modifying has abandoned basic hydrolysis method in the past, adopts nucleophile hydroxylamine hydrochloride to process, the hydrophily of acrylic fiber is improved, the dye-uptake of ACID DYES is improved greatly;
3, the present invention is in dyeing process, and adopt substitute alkali to instead of conventional soda ash material, not only consumption reduces, and also enhances colour fixation simultaneously, the washability of acrylic fabric is strengthened further; In dyeing course, the control of pH value is controlled by pH value buffer, and the pH value environment dyeed can be optimized further, and Color is good;
4, the present invention is in dyeing process, strictly controls intensification rate of temperature fall, and dyeing time, and fabric is dyeed, and firmness is high, even dyeing, dye stability are good;
5, the present invention is carrying out reduction cleaning after dyeing, and the loose colour of removing fabric surface, makes its pure color light, also guarantee dyefastness simultaneously;
6, the present invention adds color fixing process after dyeing, have employed the TCD-R of environmental protection without aldehyde, progressively carry out drying after fixation to acrylic fabric in color fixing process, and the firmness of acrylic fabric is improved greatly;
7, present invention adds Final finishing science and engineering skill, the performances such as the COLOR FASTNESS of fabric, pliability, uviolresistance, antibiotic property are improved, adopt in processes simultaneously and first process with cellulase, then arrange with finishing agent, compared with a common step process, its treatment effect is more superior, simultaneously in arrangement process, when multiple finishing agent mixing, the various finishing agent selected is while playing respective effect, can also play the effect strengthened mutually, cooperative effect is good;
8, the present invention have employed calendering process further, makes the bright and clean smooth of fabric, can improve feel further, makes feel more soft fluffy, ensures that washing shrinkage meets the demands simultaneously;
9, the temperature of several operation such as preliminary treatment of the present invention, dyeing, sizing is relatively more steady, and such process conditions jumping characteristic is less, and technics comparing is steady, makes the final performance of fabric more stable;
10, efficient, the environmental protection of dyeing of the present invention, technique are simple, and 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 illustrate that 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; those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
embodiment 1
An acid dyeing technique for acrylic fibers, comprises the following steps:
(1) pre-treatment: pre-treatment is carried out to acrylic fabric, be specially: use urea 1g/L, without phosphorus neutrality is deoiled clever TF-104M 4.5 g/L, neopelex 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 process is discharged, then refill clear water at room temperature to rinse to washing lotion as neutral, finally dry,
(2) pre-setting: by pre-setting machine, pre-setting process is done to acrylic fabric, in pre-setting process, setting temperature is 160 DEG C, and the speed of a motor vehicle is 20m/min, overfeeding 5%;
(3) modification: the acrylic fabric after sizing is immersed in modified solution and carries out modification, used modified solution is specially: hydroxylamine hydrochloride 8g/L, ammonium acetate 15g/L; bath raio 40:1; process 60min in the modified solution of described acrylic fabric at 75 DEG C, then dries after washing;
(4) dye: the acrylic fabric after modification is carried out dyeing process, be specially: under room temperature, fabric is immersed in the clear water of dyeing machine, then in water-bath, penetrating agent JFC 1.5g/L is added, diffusant DN 0.8g/L, substitute alkali TF-221A 1.5g/L, ACID DYES Acid blue B 1.5%(owf), bath raio 40:1, and by pH buffer Acetic acid-sodium acetate, the pH value of dye liquor is adjusted to 6.5, cyclically charging material 20min, then dyeing machine heats up, programming rate is 1 DEG C/min, when temperature rises to 98 DEG C, insulation dyeing 60min, then dyeing machine cooling, cooling rate is 2 DEG C/min, when temperature is down to 40 DEG C, dyestuff is discharged also injected clear water again, 15min is rinsed with clear water,
(5) soap: rinsed after 10min through room temperature clear water by the acrylic fabric after dyeing, then use low temperature soaping agent JY-1103D 1g/L, bath raio is 20:1, rinses 15 min at 60 DEG C, finally rinse 15min with the clear water of 40 DEG C again;
(6) fixation: the acrylic fabric after cleaning is put into fixation liquid and carries out fixation, described fixation liquid contains salt 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 dryer at 80 DEG C of preliminary drying 4 min, then bake 3 min at 110 DEG C;
(7) Final finishing: acrylic fabric is put into soft treatment liquid and carry out soft treatment, carry out in two steps, be specially:
A () is with containing cellulase 2%(owf), when pH value being adjusted to 4.8 by pH buffer Acetic acid-sodium acetate, bath raio is process in the treatment fluid of 20:1, and temperature is 45 DEG C, and reaction 20min, then washes;
B acrylic fabric after step a, then is put into antiultraviolet treatment fluid and is processed by (), with UV resistance finishing agent UV-BS 3g/L, in the water-bath of 30 DEG C, process 20min, bath raio is 20:1;
C acrylic fabric after step b, then is put into mixed treating liquid and is processed, with softener EQ200 1 g/L by (), antibacterial finishing agent GQ-100 1 g/L, crease and shrink resistant finishing agent GFR-8 0.8 g/L, processes 20 min in the water-bath of 30 DEG C, and bath raio is 20:1;
(8) dry: the acrylic fabric after soft treatment is put into dryer and carries out drying and processing, bake out temperature 100 DEG C, locomotive speed is 65m/min;
(9) shape: the acrylic fabric of oven dry is put into setting machine and carries out heat treatment, setting temperature 155 DEG C, locomotive speed is 25m/min, overfeeding 5%;
(10) calendering: the acrylic fabric after sizing is put into calender and carries out calendering process, calendering temperature 115 DEG C, locomotive speed is 20m/min;
(11) rolling: acrylic fabric is carried out rolling.
embodiment 2
An acid dyeing technique for acrylic fibers, comprises the following steps:
(1) pre-treatment: pre-treatment is carried out to acrylic fabric, be specially: use urea 1.2g/L, without phosphorus neutrality is deoiled clever TF-104M 5 g/L, neopelex 1.2 g/L, 60% hydrogen peroxide 2.5 g/L, oxidation desizing agent OS 1g/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 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 process is discharged, then refill clear water at room temperature to rinse to washing lotion as neutral, finally dry,
(2) pre-setting: by pre-setting machine, pre-setting process is done to acrylic fabric, in pre-setting process, setting temperature is 165 DEG C, and the speed of a motor vehicle is 25m/min, overfeeding 8%;
(3) modification: the acrylic fabric after sizing is immersed in modified solution and carries out modification, used modified solution is specially: hydroxylamine hydrochloride 10g/L, ammonium acetate 20g/L; bath raio 40:1; process 60min in the modified solution of described acrylic fabric at 80 DEG C, then dries after washing;
(4) dye: the acrylic fabric after modification is carried out dyeing process, be specially: under room temperature, fabric is immersed in the clear water of dyeing machine, then in water-bath, penetrating agent JFC 2g/L is added, diffusant DN 1g/L, substitute alkali TF-221A 1.8 g/L, ACID DYES acid red 3R 2%(owf), bath raio 40:1, and by pH buffer Acetic acid-sodium acetate, the pH value of dye liquor is adjusted to 7, cyclically charging material 20min, then dyeing machine heats up, programming rate is 1 DEG C/min, when temperature rises to 99 DEG C, insulation dyeing 70min, then dyeing machine cooling, cooling rate is 2 DEG C/min, when temperature is down to 40 DEG C, dyestuff is discharged also injected clear water again, 15min is rinsed with clear water,
(5) soap: rinsed after 10min through room temperature clear water by the acrylic fabric after dyeing, then use low temperature soaping agent JY-1103D 1g/L, bath raio is 20:1, rinses 15 min at 65 DEG C, finally rinse 15min with the clear water of 45 DEG C again;
(6) fixation: the acrylic fabric after cleaning is put into fixation liquid and carries out fixation, described fixation liquid contains salt 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 dryer at 80 DEG C of preliminary drying 4 min, then bake 3 min at 110 DEG C;
(7) Final finishing: acrylic fabric is put into soft treatment liquid and carry out soft treatment, carry out in two steps, be specially:
A () is with containing cellulase 2%(owf), when pH value being adjusted to 4.9 by pH buffer Acetic acid-sodium acetate, bath raio is process in the treatment fluid of 20:1, and temperature is 50 DEG C, and reaction 25min, then washes;
B acrylic fabric after step a, then is put into antiultraviolet treatment fluid and is processed by (), with UV resistance finishing agent UV-BS 3.5 g/L, process 25 min in the water-bath of 35 DEG C, bath raio is 20:1;
C acrylic fabric after step b, then is put into mixed treating liquid and is processed, with softener EQ200 1.5 g/L by (), 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;
(8) dry: the acrylic fabric after soft treatment is put into dryer and carries out drying and processing, bake out temperature 105 DEG C, locomotive speed is 68m/min;
(9) shape: the acrylic fabric of oven dry is put into setting machine and carries out heat treatment, setting temperature 160 DEG C, locomotive speed is 28m/min, overfeeding 6%;
(10) calendering: the acrylic fabric after sizing is put into calender and carries out calendering process, calendering temperature 115-125 DEG C, locomotive speed is 22m/min;
(11) rolling: acrylic fabric is carried out rolling.
embodiment 3
An acid dyeing technique for acrylic fibers, comprises the following steps:
(1) pre-treatment: pre-treatment is carried out to acrylic fabric, be specially: use urea 1.5g/L, without phosphorus neutrality is deoiled clever TF-104M 5.5 g/L, neopelex 1.5 g/L, 60% hydrogen peroxide 3 g/L, oxidation desizing agent OS 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 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 process is discharged, then refill clear water at room temperature to rinse to washing lotion as neutral, finally dry,
(2) pre-setting: by pre-setting machine, pre-setting process is done to acrylic fabric, in pre-setting process, setting temperature is 170 DEG C, and the speed of a motor vehicle is 30m/min, overfeeding 10%;
(3) modification: the acrylic fabric after sizing is immersed in modified solution and carries out modification, used modified solution is specially: hydroxylamine hydrochloride 12g/L, ammonium acetate 25g/L; bath raio 40:1; process 60min in the modified solution of described acrylic fabric at 85 DEG C, then dries after washing;
(4) dye: the acrylic fabric after modification is carried out dyeing process, be specially: under room temperature, fabric is immersed in the clear water of dyeing machine, then in water-bath, penetrating agent JFC 2.5g/L is added, diffusant DN 1.2g/L, substitute alkali TF-221A 2 g/L, ACID DYES Acid blue B 2.5%(owf), bath raio 40:1, and by pH buffer Acetic acid-sodium acetate, the pH value of dye liquor is adjusted to 7.5, cyclically charging material 20min, then dyeing machine heats up, programming rate is 1 DEG C/min, when temperature rises to 100 DEG C, insulation dyeing 80min, then dyeing machine cooling, cooling rate is 2 DEG C/min, when temperature is down to 40 DEG C, dyestuff is discharged also injected clear water again, 15min is rinsed with clear water,
(5) soap: rinsed after 10min through room temperature clear water by the acrylic fabric after dyeing, then use low temperature soaping agent JY-1103D 1g/L, bath raio is 20:1, rinses 15 min at 70 DEG C, finally rinse 15min with the clear water of 50 DEG C again;
(6) fixation: the acrylic fabric after cleaning is put into fixation liquid and carries out fixation, described fixation liquid contains salt 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 dryer at 80 DEG C of preliminary drying 4 min, then bake 3 min at 110 DEG C;
(7) Final finishing: acrylic fabric is put into soft treatment liquid and carry out soft treatment, carry out in two steps, be specially:
A () is with containing cellulase 2%(owf), when pH value being adjusted to 5 by pH buffer Acetic acid-sodium acetate, bath raio is process in the treatment fluid of 20:1, and temperature is 55 DEG C, and reaction 30min, then washes;
B acrylic fabric after step a, then is put into antiultraviolet treatment fluid and is processed by (), with UV resistance finishing agent UV-BS 4 g/L, process 30 min in the water-bath of 40 DEG C, bath raio is 20:1;
C acrylic fabric after step b, then is put into mixed treating liquid and is processed, with softener EQ200 2 g/L by (), antibacterial finishing agent GQ-100 2 g/L, crease and shrink resistant finishing agent GFR-8 1.2 g/L, processes 30 min in the water-bath of 40 DEG C, and bath raio is 20:1;
(8) dry: the acrylic fabric after soft treatment is put into dryer and carries out drying and processing, bake out temperature 110 DEG C, locomotive speed is 70m/min;
(9) shape: the acrylic fabric of oven dry is put into setting machine and carries out heat treatment, setting temperature 165 DEG C, locomotive speed is 30m/min, overfeeding 8%;
(10) calendering: the acrylic fabric after sizing is put into calender and carries out calendering process, calendering temperature 125 DEG C, locomotive speed is 25m/min;
(11) rolling: acrylic fabric is carried out rolling.
The present invention adopts the technical scheme of above-described embodiment, in dyeing course, first by hydroxylamine hydrochloride, modification is carried out to acrylic fabric, improve the hydrophily of fiber, finally make its dye-uptake of acrylic fabric fabric after dyeing more than 90%, greatly exceed the dye-uptake of like product, its degree of fixation can more than 80%, colour fixation is good, the fabric simultaneously obtained after dyeing, also it is carried out to the test of WASHING COLOR FASTNESS and colour fastness to rubbing, test result shows, it is done, fastness to wet rubbing, soaping fastness is all better, all reach more than 4 grades, its antibiotic property simultaneously, flexibility, the performances such as uviolresistance are all better.
As can be seen here, adopt the fabric that the colouring method of technical scheme of the present invention obtains, its more square various aspects of performance is all comparatively superior.
Above-described embodiment, only for technical conceive of the present invention and feature are described, its objective is to allow and is familiar with these those skilled in the art and can understands content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalents done by Spirit Essence of the present invention or modification, all should be encompassed within protection scope of the present invention.
Claims (6)
1. an acid dyeing technique for acrylic fibers, is characterized in that: comprise the following steps:
(1) pre-treatment: pre-treatment is carried out to acrylic fabric, be specially: use urea 1-1.5g/L, non-phosphorus degreasing agent 4.5-5.5 g/L, neopelex 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 process is discharged, then refill clear water at room temperature to rinse to washing lotion as neutral, finally dry,
(2) pre-setting: by pre-setting machine, pre-setting process is done to acrylic fabric, in pre-setting process, setting temperature is 160-170 DEG C, and the speed of a motor vehicle is 20-30m/min, overfeeding 5-10%;
(3) modification: the acrylic fabric after sizing is immersed in modified solution and carries out modification, used modified solution is specially: hydroxylamine hydrochloride 8-12g/L, ammonium acetate 15-25g/L; bath raio 40:1; process 60min in the modified solution of described acrylic fabric at 75-85 DEG C, then dries after washing;
(4) dye: the acrylic fabric after modification is carried out dyeing process, be specially: under room temperature, fabric is immersed in the clear water of dyeing machine, then in water-bath, bleeding agent 1.5-2.5g/L is added, diffusant DN 0.8-1.2g/L, substitute alkali TF-221A 1.5-2 g/L, ACID DYES 1.5-2.5%(owf), bath raio 40:1, and by pH buffer Acetic acid-sodium acetate, the pH value of dye liquor is adjusted to 6.5-7.5, cyclically charging material 20min, then dyeing machine heats up, programming rate is 1 DEG C/min, when temperature rises to 98-100 DEG C, insulation dyeing 60-80min, then dyeing machine cooling, cooling rate is 2 DEG C/min, when temperature is down to 40 DEG C, dyestuff is discharged also injected clear water again, 15min is rinsed with clear water,
(5) soap: rinsed after 10min through room temperature clear water by the acrylic fabric after dyeing, then use low temperature soaping agent 1g/L, bath raio is 20:1, rinses 15 min at 60-70 DEG C, finally rinse 15min with the clear water of 40-50 DEG C again;
(6) fixation: the acrylic fabric after cleaning is put into fixation liquid and carries out fixation, described fixation liquid contains salt 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 dryer at 80 DEG C of preliminary drying 4 min, then bake 3 min at 110 DEG C;
(7) Final finishing: acrylic fabric is put into soft treatment liquid and carry out soft treatment, carry out in two steps, be specially:
A () is with containing cellulase 2%(owf), when pH value being adjusted to 4.8-5 by pH buffer Acetic acid-sodium acetate, bath raio is process in the treatment fluid of 20:1, and temperature is 45-55 DEG C, and reaction 20-30min, then washes;
B acrylic fabric after step a, then is put into antiultraviolet treatment fluid and is processed by (), with UV resistance finishing agent UV-BS 3-4 g/L, in the water-bath of 30-40 DEG C, process 20-30 min, bath raio is 20:1;
C acrylic fabric after step b, then is put into mixed treating liquid and is processed, with softener 1-2 g/L by (), 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;
(8) dry: the acrylic fabric after soft treatment is put into dryer and carries out drying and processing, bake out temperature 100-110 DEG C, locomotive speed is 65-70m/min;
(9) shape: the acrylic fabric of oven dry is put into setting machine and carries out heat treatment, setting temperature 155-165 DEG C, locomotive speed is 25-30m/min, overfeeding 5-8%;
(10) calendering: the acrylic fabric after sizing is put into calender and carries out calendering process, calendering temperature 115-125 DEG C, locomotive speed is 20-25m/min;
(11) rolling: acrylic fabric is carried out rolling.
2. the acid dyeing technique of acrylic fibers according to claim 1, is characterized in that: the non-phosphorus degreasing agent in described step 1 is that without phosphorus neutrality is deoiled clever TF-104M.
3. the acid dyeing technique of acrylic fibers according to claim 1, is characterized in that: the bleeding agent in described step 4 is penetrating agent JFC.
4. the acid dyeing technique of acrylic fibers according to claim 1, is characterized in that: the low temperature soaping agent in described step 5 is JY-1103D soaping agent.
5. the acid dyeing technique of acrylic fibers according to claim 1, is characterized in that: the color-fixing agent in described step 6 is TCD-R.
6. the acid dyeing technique of acrylic fibers according to claim 1, is characterized in that: the softener in described step 7 is ester based quaternary ammonium salt softener, and antibacterial finishing agent is antibacterial finishing agent GQ-100.
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| CN201510154263.2A CN104746369A (en) | 2015-04-02 | 2015-04-02 | Acid dye dyeing process for acrylic fiber |
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| CN107938344A (en) * | 2017-11-30 | 2018-04-20 | 英泰时尚服饰（苏州）有限公司 | A kind of acrylic fabric and its antibacterial anti-crease finishing method |
| CN107956162A (en) * | 2017-11-14 | 2018-04-24 | 嘉兴市泰石漂染有限公司 | A kind of dyeing of acrylic fibers chemical fibre |
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| CN109267398A (en) * | 2018-09-14 | 2019-01-25 | 桐乡市濮院毛针织技术服务中心 | A kind of purple dye method of high density acrylic fabric |
| CN109610195A (en) * | 2018-12-04 | 2019-04-12 | 桐乡市明辉染整有限公司 | A kind of wool/cotton/acrylic fibers covering yarn cheese yarn dyeing technique |
| CN115506162A (en) * | 2022-09-14 | 2022-12-23 | 上海嘉麟杰纺织科技有限公司 | Nylon dyeing process for improving color light stability |
| CN115522384A (en) * | 2022-09-20 | 2022-12-27 | 阜南华翔羊毛衫有限公司 | Rapid vintage treatment method for artificial woolen sweater |
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| CN115506162A (en) * | 2022-09-14 | 2022-12-23 | 上海嘉麟杰纺织科技有限公司 | Nylon dyeing process for improving color light stability |
| CN115522384A (en) * | 2022-09-20 | 2022-12-27 | 阜南华翔羊毛衫有限公司 | Rapid vintage treatment method for artificial woolen sweater |
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