阅读说明：本技术 一种超细涤纶织物的染色加工工艺 (Dyeing processing technology of superfine polyester fabric ) 是由 何根弟 于 2019-09-29 设计创作，主要内容包括：本发明公开了一种超细涤纶织物的染色加工工艺,依次包括如下步骤：步骤(1)密封冷堆、步骤(2)热碱煮洗、步骤(3)预定型、步骤(4)染色、步骤(5)皂洗固色、步骤(6)后整理、步骤(7)轧光。在本发明涉及的一种超细涤纶织物染色加工工艺,采用等离子体处理对织物进行前处理,能够将超细纤维表面的低聚物能够良好的得到去除,能够提高超细涤纶纤维的染色牢度和均匀性。使得染色后的超细涤纶织物染色均匀性好,而且色牢高,并能成品染色疵病较少,抗静电、防水效果好。(The invention discloses a dyeing processing technology of superfine polyester fabric, which sequentially comprises the following steps: sealing and cold stacking, boiling and washing with hot alkali in the step (2), pre-shaping in the step (3), dyeing in the step (4), soaping and color fixing in the step (5), finishing after the step (6) and calendering in the step (7). According to the dyeing processing technology for the superfine polyester fabric, the fabric is pretreated by plasma treatment, oligomers on the surface of the superfine fiber can be well removed, and the dyeing fastness and uniformity of the superfine polyester fiber can be improved. The dyed superfine polyester fabric has good dyeing uniformity, high color fastness, less dyeing defects and good antistatic and waterproof effects.)

1. The dyeing processing technology of the superfine polyester fabric is characterized by sequentially comprising the following steps of:

(1) sealing and cold stacking: the sealed cold heaping is to adopt two-dipping and two-rolling cold heaping treatment liquid for the superfine polyester fabric gray fabric after seam turning, the liquid carrying rate is 60-70%, the superfine polyester fabric dipped with the cold heaping treatment liquid is subjected to plasma treatment before winding, then is wrapped by a plastic film, and is rotatably heaped for 12-16 hours at room temperature;

(2) hot alkali boiling and washing: after cold stacking, a compact open-width washing machine is adopted, the fabric is boiled in boiling liquid at 90-95 ℃, ultrasonic oscillation is carried out in the boiling process, and then cold water is used for washing;

(3) presetting: the superfine polyester fabric white blank prepared in the last step is subjected to high-temperature tentering setting for 45-60s at 180 ℃ by using a setting machine;

(4) dyeing: dyeing the pre-shaped grey cloth by adopting a high-temperature high-pressure overflow jet dyeing machine, and carrying out pulsed air normal-pressure plasma treatment on the fabric before the fabric is placed into the high-temperature high-pressure overflow jet dyeing machine, wherein the treatment power is 200-300W, the treatment time is 5-10s, and the treatment interval is 1-3 mm; according to the bath ratio of 1: 10-15, adding a dye solution into the dyeing machine, and adjusting the pH value of the dye solution to 8.5-9.5; dyeing at 20 ℃, heating to 110 ℃ at the speed of 0.3-0.5 ℃/min, keeping the temperature for 15-20min, heating to 130 ℃ at the speed of 0.8-1 ℃/min, adding a terylene alkaline leveling agent PH-95 at the speed of 0.5-1.5g/L, preserving the temperature for 40-60min, cooling to 80-85 ℃ at the speed of 1-1.5 ℃/min, and discharging dye liquor; and then mixing the raw materials according to the bath ratio of 1: 5-8, injecting water with the temperature of 80-85 ℃ for washing for 15-20min, and discharging liquid; and then mixing the raw materials according to the bath ratio of 1: 5-8, injecting 50-55 ℃ water for washing for 10-12 min;

the added dye solution contains alkali-resistant disperse dye, 1-2g/L of polyester superfine fiber leveling agent M-212A, 0.5-1g/L of environment-friendly color modifier and 3-5g/L of peregal O-25.

(5) Soaping and color fixing: soaking the dyed fabric into a soaping solution for soaping, and treating for 10-15min at 85-90 ℃;

the soaping liquid contains 0.5-1.5g/L of DMF-323S soaping agent, 1-2g/L of soap flakes, 0.25-2g/L of ALBAFIX ECO color fixing agent and 50-200g/L of 38 DEG Be water glass.

2. The dyeing process for the superfine polyester fabric as claimed in claim 1, further comprising the step (6) of after-finishing, wherein the after-finishing liquid is used for dipping the polyester superfine fabric subjected to soaping and color fixing, the liquid carrying rate is 150% and 200% by adopting two dipping and two rolling, and the drying is carried out; the post-finishing liquid contains 50-80g/L of waterproof agent, 5-10g/L of antistatic agent, 5-8g/L of three-proofing penetrating agent and 5-10g/L of ultraviolet absorbent.

3. The dyeing process of the ultra-fine polyester fabric according to claim 2, further comprising the step (7) of calendering the post-finished fabric at a calendering temperature of 180 ℃ and at a speed of 50 m/min.

4. The dyeing process of the superfine polyester fabric according to claim 1, wherein the cold pad-batch treatment liquid contains 4-8g/L of degreaser, 60-80g/L of liquid alkali, 3-5g/L of penetrant JFC, and 9-18g/L of high-efficiency cold pad-batch refining agent MCH-119.

5. The dyeing process of the superfine polyester fabric according to claim 1, wherein the scouring liquor contains 1-3g/L of oxidation desizing agent, 1-2g/L of chelating dispersant, 5-10g/L of soda ash, 2-4g/L of hydrogen peroxide and 1-2g/L of liquid alkali penetrating agent.

Technical Field

The invention relates to the technical field of textile fabric dyeing processing, in particular to a dyeing processing technology of an ultrafine polyester fabric.

Background

The common polyester fiber has high strength, good elasticity, stiff and smooth fabric, good shape retention, easy washing, quick drying, no ironing and no damage by worms, so the polyester product is durable in the market. Along with the improvement of living standard of people, the requirements on the clothes material are improved from warm keeping and beauty to health and comfort. The defects of the common polyester fabric are increasingly revealed, such as poor moisture absorption of the fiber, high static electricity and easy dust absorption, which are not as comfortable as natural fiber, the silk-like fabric is not as soft and beautiful as silk, gorgeous and elegant, and the wool-like fabric is not as soft, full and elastic as wool. In the time of short supply of wool, silk and the like, the novel synthetic fiber (mainly polyester superfine fiber) which achieves the ultra-natural and ultra-true texture style is produced at the same time.

The dyeing difficulty of the polyester superfine fiber fabric is much higher than that of a common fiber-combining fabric, the main reasons are that ① polyester superfine fibers are different in structure and fineness and large in dyeing speed difference, the polyester superfine fiber fabric is usually woven by fiber-entangled yarns with different properties, the cross section shapes, the surfaces of the yarns are rough, the thermal properties, the fineness and the like are different, the dyeing performance, the dyeing uniformity, the dyeing reproducibility and the like are different to a certain degree, the finer the fineness and the larger the surface area are, the higher the dyeing speed is, the ② polyester superfine fiber fabric is fine in fiber, the dye is fast to dye, the fabric density is high, the temperature rising speed is high, the uneven dyeing is easily caused, the adsorption of ③ polyester superfine fiber to the dye is good, the dye is important to select, the affinity, the diffusivity, the migration property, the fastness, the lifting property and the like of the dye can influence the uniformity and the reproducibility, the sizing rate and the oiling amount of ④ common polyester superfine fiber are higher than those of common fiber-combining fabric, the pretreatment is more difficult, and various dyeing defects can not be effectively removed.

Aiming at the problem that the polyester superfine fiber fabric is difficult to dye, how to ensure the dyeing performance of the superfine fabric is the problem to be solved.

Disclosure of Invention

The invention aims to provide a dyeing processing technology of superfine polyester fabric, so that the dyed superfine polyester fabric has good dyeing uniformity, high color fastness, fewer dyeing defects of finished products and good antistatic and waterproof effects.

In order to solve the technical problem, the invention aims to realize that:

the invention relates to a dyeing processing technology of superfine polyester fabric, which sequentially comprises the following steps:

(1) sealing and cold stacking: the sealed cold heaping is to adopt two-dipping and two-rolling cold heaping treatment liquid for the superfine polyester fabric gray fabric after seam turning, the liquid carrying rate is 60-70%, the superfine polyester fabric dipped with the cold heaping treatment liquid is subjected to plasma treatment before winding, then is wrapped by a plastic film, and is rotatably heaped for 12-16 hours at room temperature;

(2) hot alkali boiling and washing: after cold stacking, a compact open-width washing machine is adopted, the fabric is boiled in boiling liquid at 90-95 ℃, ultrasonic oscillation is carried out in the boiling process, and then cold water is used for washing;

(3) presetting: the superfine polyester fabric white blank prepared in the last step is subjected to high-temperature tentering setting for 45-60s at 180 ℃ by using a setting machine;

(4) dyeing: dyeing the pre-shaped grey cloth by adopting a high-temperature high-pressure overflow jet dyeing machine, and carrying out pulsed air normal-pressure plasma treatment on the fabric before the fabric is placed into the high-temperature high-pressure overflow jet dyeing machine, wherein the treatment power is 200-300W, the treatment time is 5-10s, and the treatment interval is 1-3 mm; according to the bath ratio of 1: 10-15, adding a dye solution into the dyeing machine, and adjusting the pH value of the dye solution to 8.5-9.5; dyeing at 20 ℃, heating to 110 ℃ at the speed of 0.3-0.5 ℃/min, keeping the temperature for 15-20min, heating to 130 ℃ at the speed of 0.8-1 ℃/min, adding a terylene alkaline leveling agent PH-95 at the speed of 0.5-1.5g/L, preserving the temperature for 40-60min, cooling to 80-85 ℃ at the speed of 1-1.55 ℃/min, and discharging dye liquor; and then mixing the raw materials according to the bath ratio of 1: 5-8, injecting water with the temperature of 80-85 ℃ for washing for 15-20min, and discharging liquid; and then mixing the raw materials according to the bath ratio of 1: 5-8, injecting 50-55 ℃ water for washing for 10-12 min;

the added dye solution contains alkali-resistant disperse dye, 1-2g/L of polyester superfine fiber leveling agent M-212A, 0.5-1g/L of environment-friendly color modifier and 3-5g/L of peregal O-25.

(5) Soaping and color fixing: soaking the dyed fabric into a soaping solution for soaping, and treating for 10-15min at 85-90 ℃;

the soaping liquid contains 0.5-1.5g/L of DMF-323S soaping agent, 1-2g/L of soap flakes, 0.25-2g/L of ALBAFIX ECO color fixing agent and 50-200g/L of 38 DEG Be water glass.

As a further explanation of the scheme, the method also comprises the step (6) of after-finishing, which is to dip the soaped and fixed terylene superfine fabric into finishing liquid, adopt two-dipping and two-rolling with the liquid carrying rate of 150-; the post-finishing liquid contains 50-80g/L of waterproof agent, 5-10g/L of antistatic agent, 5-8g/L of three-proofing penetrating agent and 5-10g/L of ultraviolet absorbent.

As a further explanation of the scheme, the method also comprises the step (7) of calendering the post-finished fabric, wherein the calendering temperature is 180 ℃, and the vehicle speed is 50 m/min.

As a further illustration of the scheme, the cold batch treatment liquid contains 4-8g/L of degreaser, 60-80g/L of liquid alkali, 3-5g/L of penetrating agent JFC and 9-18g/L of high-efficiency cold batch refining agent MCH-119.

As a further explanation of the scheme, the scouring liquor contains 1-3g/L of oxidation desizing agent, 1-2g/L of chelating dispersant, 5-10g/L of soda ash, 2-4g/L of hydrogen peroxide and 1-2g/L of liquid caustic soda penetrating agent.

The invention has the beneficial effects that: according to the dyeing processing technology for the superfine polyester fabric, the fabric is pretreated by adopting plasma treatment, oligomers on the surface of the superfine fiber can be well removed, and the dyeing fastness and uniformity of the superfine polyester fiber can be improved. The dyed superfine polyester fabric has good dyeing uniformity, high color fastness, less dyeing defects and good antistatic and waterproof effects.

Detailed Description

The present invention is further illustrated by the following specific examples.