阅读说明：本技术 可降低污染、成品率高的莫代尔涤桃皮绒开纤染色工艺 (Modal polyester peach skin lint fiber opening and dyeing process capable of reducing pollution and achieving high yield ) 是由 薛梁 俞家鹏 于 2018-04-17 设计创作，主要内容包括：本发明涉及一种可降低污染、成品率高的莫代尔涤桃皮绒开纤染色工艺,该莫代尔涤桃皮绒开纤染色工艺包括洗水浸轧、洗水烘干、收幅定型、开纤、涤纶染色、莫代尔染色、定型烘干、轧柔定型,开纤前进行收幅定型并采用乙二酸进行酸化开纤,有效降低了莫代尔的破损率,提高了成材率,收幅定型后的开纤温度提高到115℃,保温时间为30分钟,相较于现有技术提高了开纤温度,获得的开纤染色效果更佳,缩短了生产时间；空气洗轧槽前设置松式浸泡连动带液平洗箱使得梭织面料原坯进入空气洗轧槽前进行浸液,可以更加充分的对梭织面料原坯进行软化。(The invention relates to a modal polyester peach skin fiber opening dyeing process capable of reducing pollution and having high yield, which comprises the steps of washing, padding, washing, drying, collecting, sizing, fiber opening, polyester dyeing, modal dyeing, sizing, drying, rolling, softening and sizing, collecting, sizing and fiber opening before fiber opening, and adopting oxalic acid to acidify and open fiber, so that the damage rate of modal is effectively reduced, the yield is improved, the fiber opening temperature after collecting and sizing is increased to 115 ℃, the heat preservation time is 30 minutes, compared with the prior art, the fiber opening temperature is improved, the obtained fiber opening dyeing effect is better, and the production time is shortened; the loose type soaking linkage liquid-carrying horizontal washing box is arranged in front of the air washing rolling groove, so that the woven fabric blank is soaked before entering the air washing rolling groove, and the woven fabric blank can be softened more fully.)

1. A modal polyester peach skin opening and dyeing process is characterized by comprising the following steps:

s1, washing water and padding, namely, after cloth is fed into a raw blank of the woven fabric through a cloth feeding frame, washing water twice through a continuous padding open washing box, wherein the temperature of two grooves is controlled to be 75 ℃ and 55 ℃ respectively, then padding materials are padded in a third groove, the padding materials comprise a refining oil removing agent, boiling enzyme and caustic soda, the density of each component is 25g/L of the refining oil removing agent, 15g/L of the boiling enzyme and 5g/L of the caustic soda, the liquid carrying amount of the raw blank of the woven fabric is 85% after padding, pre-steaming is carried out by adopting an air steaming box, the temperature of the air steaming box is 65 ℃, the soaked padding materials are puffed, and the puffing time is controlled to be 50 seconds;

s2, washing and drying, washing the steamed raw blank of the woven fabric for three times, controlling the temperature of the first tank at 95 ℃, controlling the temperature of the second tank at 85 ℃, refluxing the third tank by using normal-temperature water, and drying the raw blank in three rows of drying cylinders;

s3, collecting and shaping, namely collecting and shaping the dried raw blank of the woven fabric by a ten-chamber drying room shaping machine, and controlling the temperature at 175 ℃;

s4, opening, namely placing the woven fabric blank after width setting into a fabric storage tube of an aerosol dyeing cylinder, wherein the amount of a single tube cylinder is 1000 m, the liquid level in the aerosol dyeing cylinder is controlled to be 85% of the depth of the cylinder, the PH value is adjusted to 2, oxalic acid is added according to 5.5% of the weight of the blank, the material injection time is 20 minutes, the woven fabric blank is heated to 85 ℃ at the speed of 3 ℃ per minute after being operated for 15 minutes at normal temperature, and the woven fabric blank is kept warm for 5 minutes; then heating to 100 ℃ at the speed of 1 ℃ per minute, and keeping the temperature for 5 minutes; heating to 115 ℃ at the speed of 1 ℃ per minute, preserving heat for 30 minutes, then cooling to 80 ℃ at the speed of 1 ℃ per minute, discharging liquid, carrying out flowing washing water for 20 minutes by using normal-temperature water, adding 5 kilograms of soda ash after water is injected again to restore the pH value of the solution to 7, heating to 85 ℃ at the speed of 3 ℃ per minute, preserving heat for 10 minutes, discharging liquid, and then washing for 5 minutes by using flowing water;

s5, dyeing polyester, adjusting the pH value of a woven fabric blank after opening to 4-4.5, adding a disperse dye to dye the polyester, controlling the material injection time of the disperse dye to be 30 minutes, carrying out heat preservation operation for 10 minutes, then raising the temperature to 85 ℃ at the speed of raising the temperature to 3 ℃ per minute, then raising the temperature to 105 ℃ at the speed of raising the temperature to 1 ℃ per minute, carrying out heat preservation for 5 minutes, then raising the temperature to 120 ℃ at the speed of raising the temperature to 0.6 ℃ per minute, carrying out heat preservation for 5 minutes, then raising the temperature to 130 ℃ at the speed of raising the temperature to 0.6 ℃ per minute, and carrying out heat preservation for 50 minutes; then, the temperature is reduced to 60 ℃ at the speed of 1 ℃ per minute, then the liquid is discharged, the flowing water at 50 ℃ is adopted for washing for 10 minutes, the temperature is increased to 85 ℃ at the speed of 3 ℃ per minute, the liquid is discharged after the temperature is preserved for 15 minutes, and the flowing water at normal temperature is adopted for washing for 5 minutes;

s6, modal dyeing, adopting normal-temperature active dyeing, controlling the material injection time at 30 minutes, carrying out heat preservation operation for 20 minutes, adding anhydrous sodium sulphate for 30 minutes, carrying out heat preservation operation for 10 minutes, adding sodium carbonate required to be added in twice, adding one tenth of sodium carbonate for the first time, carrying out material injection for 10 minutes, adding one tenth of sodium carbonate for the second time, carrying out material injection for 50 minutes, heating to 60 ℃ at the speed of heating to 3 ℃ per minute, discharging liquid after 50 minutes of operation, carrying out flowing water washing for 10 minutes, heating to 85 ℃ at the speed of heating to 3 ℃ per minute after injecting new water, then heating to 95 ℃ at the speed of heating to 1 ℃ per minute, carrying out soaping for 20 minutes, discharging liquid after 20 minutes of flowing water washing, and discharging from a cylinder after 5 minutes of acid washing water;

s7, shaping and drying, drying and shaping the dyed woven fabric blank again, wherein the drying temperature is controlled at 115 ℃;

s8, rolling, softening and shaping, wherein the density of the hydrophilic softener is 10g/L, an air washing and rolling groove is adopted for carrying out mangling, a loose type soaking and linkage liquid-carrying horizontal washing box is arranged in front of the air washing and rolling groove, a raw blank of the woven fabric is soaked in the loose type soaking and linkage liquid-carrying horizontal washing box before entering the air washing and rolling groove, then the raw blank of the woven fabric enters a drying room for drying and shuttling and beating back and forth, the speed of the drying room is controlled at 25 m/min, and the temperature of the drying room is controlled at 120 ℃ so as to obtain a modal polyester finished product.

2. The modal polyester peach skin opening dyeing process according to claim 1, wherein the disperse dye is at least one of disperse black EV-ST, Daainius red jade SE-B and Daainius golden yellow.

3. The peach skin opening dyeing process of modal polyester as claimed in claim 1, wherein the reactive dye is selected from at least one of reactive black SBE, reactive brilliant blue and reactive brilliant red CES.

Technical Field

The invention relates to a garment fabric treatment process, in particular to a modal polyester peach skin opening and dyeing process capable of reducing pollution and achieving high yield.

Background

Along with the gradual improvement of living standard of people, the requirements on the comfort level, the functionality and the aesthetic property of clothes are higher and higher. Modal (Modal) fiber is a novel environment-friendly fiber, integrates the comfort of cotton, the drapability of viscose, the strength of terylene and the hand feeling of real silk, and still keeps soft and bright color after being washed for many times. The Modal fiber is made into the ready-made garment with high cost and poor stiffness and expansion feeling, and the Modal polyester tatted blended product is derived, wherein tatting is formed by interlacing warp and weft, so that the Modal fiber blended garment has the advantages of stable structure, flat cloth surface, no sagging phenomenon in draping and the like, and is in a leading position when used in the garment; the modal and polyester fabrics produced by the tatting mode combine the advantages of the modal fabrics and the tatting mode, and are popular among people. As is well known, the dyeing process of the fabric is more critical and directly relates to the texture and the aesthetic degree of the finished fabric; the modal also has good elasticity and moisture absorption performance; the polyester has excellent strength and crease resistance, is heat-resistant and wear-resistant, but has poor dyeing property and is not easy to be dyed with colors, so that the modal polyester fabric has flexibility and silky drapability of modal, and also has crease resistance and wear resistance.

Disclosure of Invention

The invention aims to solve the technical problem of providing a modal polyester peach skin opening and dyeing process which can reduce pollution and has high yield.

The invention provides a modal polyester peach skin opening and dyeing process, which comprises the following steps:

s1, washing and padding, namely washing the raw blank of the woven fabric, which is composed of modal and polyester fibers in the weft direction, twice, controlling the temperature at 75 ℃ and 55 ℃, padding the material to ensure that the liquid carrying quantity of the raw blank of the woven fabric is 85 percent, pre-steaming the raw blank by adopting an air steaming box, ensuring that the temperature of the air steaming box is 65 ℃, and expanding the impregnated padding material for 50 seconds.

And S2, washing and drying, washing the steamed raw blank of the woven fabric for three times again, controlling the temperature at 95 ℃, 85 ℃ and normal temperature respectively, and drying by adopting a drying cylinder.

S3, collecting and shaping, namely collecting and shaping the dried tatting fabric blank at 165-180 ℃.

S4, opening, namely placing the woven fabric blank after width setting into a fabric storage tube of an aerosol dyeing cylinder, controlling the liquid level in the aerosol dyeing cylinder to be 85% of the cylinder depth, adjusting the pH value to 2, adding oxalic acid according to 5.5% of the blank weight, injecting the materials for 20 minutes, operating at normal temperature for 15 minutes, heating to 85 ℃ at the speed of heating to 3 ℃ per minute, and keeping the temperature for 5 minutes; then heating to 100 ℃ at the speed of 1 ℃ per minute, and keeping the temperature for 5 minutes; and then raising the temperature to 115 ℃ at the speed of raising the temperature by 1 ℃ per minute, preserving the heat for 30 minutes, then lowering the temperature to 80 ℃ at the speed of 1 ℃ per minute, draining the liquid, carrying out flowing washing water for 20 minutes by using normal-temperature water, adding soda ash after water is refilled so that the pH value of the solution is recovered to 7, then raising the temperature to 85 ℃ at the speed of raising the temperature by 3 ℃ per minute, preserving the heat for 10 minutes, draining the liquid, and then washing the liquid for 5 minutes by using flowing water.

And S5, dyeing the terylene, adjusting the pH value of the primary blank of the woven fabric after opening to 4-4.5, and adding a disperse dye to dye the terylene.

S6, modal dyeing, adopting normal temperature active dyeing, injecting for 30 minutes, carrying out heat preservation operation for 20 minutes, adding sodium sulphate and injecting for 30 minutes, carrying out heat preservation operation for 10 minutes, adding sodium carbonate required to be added in twice, adding one tenth of the sodium carbonate for the first time, injecting for 30 minutes, operating for 10 minutes, adding one tenth of the sodium carbonate for the second time, injecting for 50 minutes, heating to 60 ℃ at the speed of heating to 3 ℃ per minute, operating for 50 minutes, discharging liquid, flowing water and washing for 10 minutes, heating to 85 ℃ at the speed of heating to 3 ℃ per minute after injecting new water, heating to 95 ℃ at the speed of heating to 1 ℃ per minute, washing for 20 minutes, flowing water and washing for 20 minutes, discharging the liquid after washing for 5 minutes.

S7, shaping and drying, drying and shaping the dyed woven fabric blank again, wherein the drying temperature is controlled to be 110-120 ℃.

And S8, rolling, softening and shaping, wherein the density of the hydrophilic softener is 10g/L, the air washing and rolling groove is adopted for rolling, then the obtained product is dried in a drying room and is subjected to back and forth shuttling beating, the vehicle speed is controlled to be 25 m/min, and the temperature of the drying room is controlled to be 120 ℃ so as to obtain the modal polyester finished product.

Further, the rolling material in the step S1 includes refining degreaser, scouring enzyme, and caustic soda, and the density of each component is 25g/L of refining degreaser, 15g/L of scouring enzyme, and 5g/L of caustic soda.

Further, in the step S3, a ten-chamber drying room setting machine is used for web-receiving setting.

Further, in the step S5, the material injection time of the disperse dye is controlled to be 30 minutes, the heat preservation operation is performed for 10 minutes, then the temperature is increased to 85 ℃ at a rate of 3 ℃ per minute, then the temperature is increased to 105 ℃ at a rate of 1 ℃ per minute, the heat preservation is performed for 5 minutes, then the temperature is increased to 120 ℃ at a rate of 0.6 ℃ per minute, the heat preservation is performed for 5 minutes, then the temperature is increased to 130 ℃ at a rate of 0.6 ℃ per minute, and the heat preservation is performed for 50 minutes; then the temperature is reduced to 60 ℃ at the speed of 1 ℃ per minute, then the liquid is discharged, the flowing water at 50 ℃ is adopted for washing for 10 minutes, the temperature is increased to 85 ℃ at the speed of 3 ℃ per minute, the liquid is discharged after the temperature is preserved for 15 minutes, and the flowing water at normal temperature is adopted for washing for 5 minutes.

Furthermore, a loose type soaking linkage belt liquid horizontal washing box is arranged in front of the air washing rolling groove in the step S8, and immersion liquid is carried out in the loose type soaking linkage belt liquid horizontal washing box before the woven fabric blank enters the air washing rolling groove, so that the woven fabric blank can be softened more fully.

The invention has the technical effects that: oxalic acid is adopted to replace concentrated sulfuric acid for acidification and fiber opening, so that pollution is reduced, the influence of temperature rise of sulfuric acid in water on modal polyester performance is avoided, and meanwhile, the safety is improved; soaking and rolling the fabric, and then heating and puffing the fabric at 65 ℃ by using an air steam box, so that the rolled fabric can be puffed and can be fully contacted with a raw blank of the woven fabric; the modal polyester cloth web is obtained to be complete, the modal polyester cloth web is obtained to be shaped before opening, acidification and opening are carried out by adopting oxalic acid, the damage rate of modal is effectively reduced, the yield is improved, the opening temperature after the modal polyester cloth web is obtained to be 115 ℃, the heat preservation time is 30 minutes, the opening temperature is improved compared with the prior art, the obtained opening dyeing effect is better, and the production time is shortened; the loose type soaking linkage liquid-carrying horizontal washing box is arranged in front of the air washing rolling groove, so that the woven fabric blank is soaked before entering the air washing rolling groove, and the woven fabric blank can be softened more fully.

Detailed Description