阅读说明：本技术 一种涤锦复合丝面料染色方法 (polyester-nylon composite yarn fabric dyeing method ) 是由 圣光 应浩 叶民 于 2019-09-12 设计创作，主要内容包括：本发明涉及一种涤锦复合丝面料染色方法,属于面料染色技术领域,包括冷堆前处理、平幅转鼓震荡水洗、溢流缸预缩、预定型处理、分散染料染色、酸性套染染色、定型处理,并利用各步骤工作液之间的协同作用,以及各步骤工艺之间的协同作用,使面料表现出较高的耐汗渍色牢度、耐水渍色牢度、耐皂洗色牢度,使面料具有色牢度高的优点,同时还具有颜色饱满、丰厚的优点。(The invention relates to a dyeing method of a polyester-nylon composite silk fabric, which belongs to the technical field of fabric dyeing and comprises cold piling pretreatment, open width rotary drum shock washing, overflow cylinder preshrinking, pre-setting treatment, disperse dye dyeing, acid over-dyeing and setting treatment, wherein the fabric has the advantages of high perspiration stain fastness, water stain fastness and soaping fastness by utilizing the synergistic action among working solutions in each step and the synergistic action among processes in each step, and has the advantages of full and thick color.)

1. A method for dyeing polyester-nylon composite yarn fabric is characterized by comprising the following steps: the method comprises the following steps:

(1) cold batch pretreatment

pretreatment working solution: 75-85g/L of caustic soda, 7-9g/L of hydrogen peroxide, 3-5g/L of refining agent TF125L 3, and 1-3g/L of chelating agent TF-510T;

the pretreatment process comprises the following steps: padding the fabric at the temperature of 35-45 ℃ and the vehicle speed of 30-40m/min, with the rolling residual rate of 70-80%, then rolling, then coating and sealing with plastic paper, and stacking for 20-30h at the temperature of 40 ℃;

(2) Open width rotary drum vibration washing

shaking the washing working solution: 10-20g/L of caustic soda and 3-5g/L of refining agent TF125L 3;

a vibration water washing process: padding the fabric at the temperature of 70-90 ℃ and the vehicle speed of 30-40m/min, washing the fabric by adopting oscillation water in the padding impregnation process, drying the fabric by rolling, then carrying out secondary impregnation, washing the fabric by adopting oscillation water in the secondary impregnation process, unloading the wet fabric, and then wrapping and rolling the fabric by adopting plastic paper;

(3) overflow cylinder preshrinking

Pre-shrinking treatment working solution: 4-6g/L of caustic soda and 0.5-1.3g/L of refining agent TF125L 0.5;

Pre-shrinking treatment process: immersing the fabric into the working solution for pre-shrinking treatment at the temperature of 40-50 ℃, heating to 95 ℃ at the heating rate of 1.5 ℃/min, carrying out heat preservation pre-shrinking treatment for 25-35min, cooling to 50-60 ℃ at the cooling rate of 2 ℃/min, and draining;

(4) Pre-setting treatment

The pre-setting process comprises the following steps: under the conditions that the temperature is 200-210 ℃ and the vehicle speed is 30-40m/min, the width of the fabric is enlarged by 2-3cm, overfeeding is carried out by 5 percent, and two sides of the fabric cannot wrinkle;

(5) dyeing with disperse dyes

disperse dye liquor: 1-2g/L of high-temperature leveling agent TF-212K, 1-1.2 g/L of dispersing soaping agent TF-25080.6, 0.6-1.2g/L of ammonium sulfate, 1.7-2.3g/L of glacial acetic acid and dye, wherein the dye accounts for 3-6% of the weight of the fabric;

The disperse dye process comprises the following steps: immersing the fabric into a disperse dye solution at the temperature of 40-50 ℃, heating to 90 ℃ at the heating rate of 1 ℃/min, carrying out heat preservation dyeing for 10min, then continuing to heat to 110 ℃ at the heating rate of 1 ℃/min, carrying out heat preservation dyeing for 10min, then heating to 130 ℃ at the heating rate of 1.5 ℃/min, carrying out heat preservation dyeing for 40min, then continuing to cool to 70-80 ℃ at the cooling rate of 1.5 ℃/min, and draining;

Dyeing reduction working solution: 1.5-2.5g/L of sodium hydrosulfite, 1.5-2.5g/L of caustic soda and 1.5-2.5g/L of reduction cleaning agent TF-288F;

and (3) dyeing reduction process: performing heat preservation reduction treatment on the fabric for 10min at the temperature of 90 ℃, cooling to 50-60 ℃, and draining;

(6) Acid top-dyeing

acid dye liquor for top dyeing: 1-2g/L of acid leveling agent TF-217BA, 1-1.2 g/L of dispersing soaping agent TF-25080.5, 0.5-1.2g/L of ammonium sulfate and dye, wherein the dye accounts for 2-5% of the weight of the fabric;

Acid pad dyeing process: immersing the fabric into an acidic pad dyeing solution at the temperature of 40-50 ℃, heating to 80 ℃ at the heating rate of 0.8 ℃/min, adding glacial acetic acid of 0.5-1.2g/L, then continuing heating to 98 ℃ at the heating rate of 0.8 ℃/min, carrying out heat preservation dyeing treatment for 40min, then cooling to 50-60 ℃ at the cooling rate of 1.5 ℃/min, and draining;

soaping treatment working solution: soaping agent TF-25080.5-1.5 g/L;

The soaping treatment process comprises the following steps: performing heat preservation soaping treatment on the fabric for 5-15min at the temperature of 40-50 ℃, and draining;

color fixing treatment working solution: 1.5-2.5g/L of color fixing agent TF-506S;

and (3) fixation treatment process: performing heat preservation and color fixation treatment on the fabric for 10-20min at the temperature of 70 ℃, and draining;

(7) Setting treatment

setting treatment working solution: fluffy organic silicon softening agent TF-498125-35 g/L;

And (3) a setting treatment process: padding the fabric at the temperature of 40-50 ℃ and the vehicle speed of 30-50m/min, and then drying and shaping at the temperature of 150-160 ℃.

2. the dyeing method of the polyester-nylon composite silk fabric according to claim 1, characterized by comprising the following steps: the weight percentage of the hydrogen peroxide is 30-40%.

3. the dyeing method of the polyester-nylon composite silk fabric according to claim 1, characterized by comprising the following steps: the dye used in the disperse dye solution is one or more of disperse black 9, disperse blue 359 and disperse red 362.

4. the dyeing method of the polyester-nylon composite silk fabric according to claim 1, characterized by comprising the following steps: the dye used in the acid top-dyeing dye liquor is one or more of acid black 172, acid blue 83 and acid red 54.

5. the dyeing method of the polyester-nylon composite silk fabric according to claim 1, characterized by comprising the following steps: in the pretreatment process, the rotating speed of the stacking rotation is kept at 8r/min in the whole stacking process.

6. the dyeing method of the polyester-nylon composite silk fabric according to claim 1, characterized by comprising the following steps: in the dyeing reduction process, after the fabric is subjected to heat preservation treatment, hot water is adopted for soaking and washing, and the soaking and washing is carried out for three times.

7. The dyeing method of the polyester-nylon composite silk fabric according to claim 1, characterized by comprising the following steps: in the color fixing treatment process, after water is drained, the fabric is subjected to immersion water washing by hot water for three times.

8. The dyeing method of the polyester-nylon composite silk fabric according to claim 1, characterized by comprising the following steps: in the setting treatment process, after drying and setting treatment, the fabric is soaked and washed by hot water at 40 ℃, and then is dried under the irradiation of ultraviolet rays at the temperature of 50 ℃.

Technical Field

the invention relates to the technical field of fabric dyeing, in particular to a method for dyeing a polyester-nylon composite yarn fabric.

background

the polyester-nylon composite filament fabric is made of polyester-nylon composite filaments, the two high polymer melts are divided by a special distribution plate and then extruded and molded through the same spinneret orifice, and therefore the polyester-nylon composite filament fabric has the advantages of wear resistance and high strength of nylon, and good elasticity and shape retention of polyester. However, due to the imperfect dyeing process of the polyester-nylon composite silk fabric, the polyester-nylon composite silk fabric has poor dyeing property and poor color fastness.

disclosure of Invention

the invention aims to provide a method for dyeing polyester-nylon composite yarn fabric, which has the advantages of high color fastness, full color and rich and thick color.

the technical purpose of the invention is realized by the following technical scheme:

A method for dyeing polyester-nylon composite yarn fabric comprises the following steps:

(1) cold batch pretreatment

Pretreatment working solution: 75-85g/L of caustic soda, 7-9g/L of hydrogen peroxide, 3-5g/L of refining agent TF125L 3, and 1-3g/L of chelating agent TF-510T; the pretreatment process comprises the following steps: padding the fabric at the temperature of 35-45 ℃ and the vehicle speed of 30-40m/min, with the rolling residual rate of 70-80%, then rolling, then coating and sealing with plastic paper, and stacking for 20-30h at the temperature of 40 ℃;

(2) Open width rotary drum vibration washing

Shaking the washing working solution: 10-20g/L of caustic soda and 3-5g/L of refining agent TF125L 3;

A vibration water washing process: padding the fabric at the temperature of 70-90 ℃ and the vehicle speed of 30-40m/min, washing the fabric by adopting oscillation water in the padding impregnation process, drying the fabric by rolling, then carrying out secondary impregnation, washing the fabric by adopting oscillation water in the secondary impregnation process, unloading the wet fabric, and then wrapping and rolling the fabric by adopting plastic paper;

(3) overflow cylinder preshrinking

Pre-shrinking treatment working solution: 4-6g/L of caustic soda and 0.5-1.3g/L of refining agent TF125L 0.5;

pre-shrinking treatment process: immersing the fabric into the working solution for pre-shrinking treatment at the temperature of 40-50 ℃, heating to 95 ℃ at the heating rate of 1.5 ℃/min, carrying out heat preservation pre-shrinking treatment for 25-35min, cooling to 50-60 ℃ at the cooling rate of 2 ℃/min, and draining;

(4) pre-setting treatment

The pre-setting process comprises the following steps: under the conditions that the temperature is 200-210 ℃ and the vehicle speed is 30-40m/min, the width of the fabric is enlarged by 2-3cm, overfeeding is carried out by 5 percent, and two sides of the fabric cannot wrinkle;

(5) Dyeing with disperse dyes

disperse dye liquor: 1-2g/L of high-temperature leveling agent TF-212K, 1-1.2 g/L of dispersing soaping agent TF-25080.6, 0.6-1.2g/L of ammonium sulfate, 1.7-2.3g/L of glacial acetic acid and dye, wherein the dye accounts for 3-6% of the weight of the fabric;

The disperse dye process comprises the following steps: immersing the fabric into a disperse dye solution at the temperature of 40-50 ℃, heating to 90 ℃ at the heating rate of 1 ℃/min, carrying out heat preservation dyeing for 10min, then continuing to heat to 110 ℃ at the heating rate of 1 ℃/min, carrying out heat preservation dyeing for 10min, then heating to 130 ℃ at the heating rate of 1.5 ℃/min, carrying out heat preservation dyeing for 40min, then continuing to cool to 70-80 ℃ at the cooling rate of 1.5 ℃/min, and draining;

dyeing reduction working solution: 1.5-2.5g/L of sodium hydrosulfite, 1.5-2.5g/L of caustic soda and 1.5-2.5g/L of reduction cleaning agent TF-288F;

and (3) dyeing reduction process: performing heat preservation reduction treatment on the fabric for 10min at the temperature of 90 ℃, cooling to 50-60 ℃, and draining;

(6) acid top-dyeing

Acid dye liquor for top dyeing: 1-2g/L of acid leveling agent TF-217BA, 1-1.2 g/L of dispersing soaping agent TF-25080.5, 0.5-1.2g/L of ammonium sulfate and dye, wherein the dye accounts for 2-5% of the weight of the fabric;

acid pad dyeing process: immersing the fabric into an acidic pad dyeing solution at the temperature of 40-50 ℃, heating to 80 ℃ at the heating rate of 0.8 ℃/min, adding glacial acetic acid of 0.5-1.2g/L, then continuing heating to 98 ℃ at the heating rate of 0.8 ℃/min, carrying out heat preservation dyeing treatment for 40min, then cooling to 50-60 ℃ at the cooling rate of 1.5 ℃/min, and draining;

soaping treatment working solution: soaping agent TF-25080.5-1.5 g/L;

the soaping treatment process comprises the following steps: performing heat preservation soaping treatment on the fabric for 5-15min at the temperature of 40-50 ℃, and draining;

Color fixing treatment working solution: 1.5-2.5g/L of color fixing agent TF-506S;

And (3) fixation treatment process: performing heat preservation and color fixation treatment on the fabric for 10-20min at the temperature of 70 ℃, and draining;

(7) setting treatment

setting treatment working solution: fluffy organic silicon softening agent TF-498125-35 g/L;

And (3) a setting treatment process: padding the fabric at the temperature of 40-50 ℃ and the vehicle speed of 30-50m/min, and then drying and shaping at the temperature of 150-160 ℃.

by adopting the technical scheme, the cold pad-batch pretreatment and the flat open width rotary drum shock washing are adopted, more caustic soda is added in the cold pad-batch pretreatment, the effect of fabric surface opening can be achieved, the fabric is partially cracked, the surface is formed into small fluff, the fluff feeling of hands is increased, the effects of decontamination and desizing are also carried out on the surface of the fabric, the overflow cylinder is adopted for preshrinking, the caustic soda and the refining agent TF125L are added in the preshrinking of the overflow cylinder, the fabric surface is further opened, the fabric is made to have elasticity, fineness and luster, meanwhile, the fabric is convenient to dye, the pre-setting treatment is adopted, the fabric dyeing is convenient, the shrinkage rate of the fabric is reduced, the disperse dye is adopted for dyeing, the high-temperature leveling agent YC-201 is adopted, the dye can be effectively dispersed, slow dyeing, level dyeing and transfer dyeing can be effectively dispersed, the disperse soaping agent M-262 can be used for strongly dispersing the, The method has the advantages that metal ions and soaping nonionic residues in water are removed, after the fabric is dyed by the disperse dyeing dye solution, the dyeing reduction working solution is used, the color fastness of the fabric is improved, the disperse dye solution stained on the surface of the fabric is cleaned, the influence of the disperse dye solution on acid over-dyeing is reduced, and the color fastness of the fabric dyed by acid over-dyeing is improved.

More preferably, the weight fraction of the hydrogen peroxide is 30-40%.

By adopting the technical scheme, the weight fraction of the hydrogen peroxide is limited, the influence on fibers in the fabric, namely the strength of the fabric, caused by excessive addition of the hydrogen peroxide is avoided, and the effect of the hydrogen peroxide on bleaching and decontamination of the fabric is also avoided being reduced due to the excessive addition of the hydrogen peroxide.

More preferably, the dye used in the disperse dye solution is one or more of disperse black 9, disperse blue 359 and disperse red 362.

by adopting the technical scheme, the dye used in the disperse dye dyeing is optimized, so that the dye can be selected according to the requirement, and the practicability of the disperse dye dyeing is improved.

More preferably, the dye used in the acid top-dyeing dye liquor is one or more of acid black 172, acid blue 83 and acid red 54.

by adopting the technical scheme, the dye used in the acid over-dyeing dye liquor is optimized, so that the dye can be selected according to requirements, and the practicability of acid over-dyeing is improved.

More preferably, in the pretreatment process, the rotating speed of the stacking rotation is kept at 8r/min in the whole stacking process.

by adopting the technical scheme, the effect of pre-treatment during piling is improved, the pre-treatment working solution flows in the fabric, the surface of the fabric is opened, part of the fabric is cracked to form small fluff, the fluff feeling is increased, and meanwhile, the piling time is reduced.

more preferably, in the dyeing reduction process, after the fabric is subjected to heat preservation treatment, the fabric is subjected to immersion water washing by using hot water, and the immersion water washing is performed for three times.

By adopting the technical scheme, the dyeing reduction working solution on the surface of the fabric is cleaned by hot water, the influence of the reduction working solution on acid top dyeing is reduced, the fabric is cleaned by the hot water, the cleaning is cleaner, the water consumption is reduced, and the color fastness of disperse dye dyeing and acid washing top dyeing on the fabric is improved.

More preferably, in the fixation treatment process, after draining, the fabric is subjected to immersion water washing by using hot water, and the immersion water washing is carried out for three times.

By adopting the technical scheme, the color fixing treatment working solution on the surface of the fabric is cleaned by hot water, the setting treatment effect is improved, the fabric has the performances of hydrophilicity, static resistance, softness and resilience, and the hand feeling of the fabric is improved.

preferably, in the setting treatment process, after the drying and setting treatment, the fabric is subjected to immersion washing by using hot water at 40 ℃, and then is subjected to drying treatment under the irradiation of ultraviolet rays at the temperature of 50 ℃.

By adopting the technical scheme, the fabric is soaked and washed, so that the fabric is cleaner, the surface of the fabric is sterilized by ultraviolet rays, and fluff on the surface of the fabric is broken and bulked, so that the fabric is full in hand feeling.

in conclusion, the invention has the following beneficial effects:

The method for dyeing the polyester-nylon composite silk fabric has the advantages of high color fastness, full color and rich and thick color by utilizing the synergistic effect of cold batch pretreatment, open-width rotary drum oscillation washing, overflow cylinder preshrinking, pre-setting treatment, disperse dye dyeing, acid over-dyeing and setting treatment.

secondly, cold batch pretreatment and flat open width rotary drum vibration washing can achieve surface fiber opening of the fabric, the fabric is partially cracked to form small fluff, then an overflow cylinder is adopted for preshrinking, caustic soda and a refining agent TF125L are added, and a mode of gradually heating up, preserving heat and gradually cooling down is adopted, so that the surface fiber opening of the fabric is further realized, the fabric has elasticity, fineness and luster, and meanwhile, the dyeing and shrinkage reduction of the fabric are facilitated.

and thirdly, in disperse dye dyeing and acid over-dyeing, the gradual heating, heat preservation and gradual cooling are adopted, the heating rate, the heat preservation dyeing time and the cooling rate are controlled, glacial acetic acid is added after the heating, a dyeing reduction process is carried out after the disperse dye process, and a soaping treatment process and a color fixing treatment process are carried out after the acid over-dyeing process, so that the color fastness of the fabric is improved, and the fabric has the advantages of full and thick color.

Fourthly, in the acid dip dyeing process, an acid leveling agent YC-2008, a disperse soaping agent M-262 and a color fixing agent TF-506S are used for enabling the dye to enter the fabric and blocking the dye in the fabric, so that the ionic bond of the dye is prevented from being broken, the color fastness of the fabric is improved, and the fabric is dyed uniformly.

Detailed Description

The present invention will be described in further detail with reference to examples. It should be understood that the preparation methods described in the examples are only for illustrating the present invention and are not to be construed as limiting the present invention, and that the simple modifications of the preparation methods of the present invention based on the concept of the present invention are within the scope of the present invention as claimed.