阅读说明：本技术 一种涤纶长丝仿绒面料的染整方法 (Dyeing and finishing method of polyester filament yarn velvet-like fabric ) 是由 柴方军 鲁斐 于 2020-03-31 设计创作，主要内容包括：本发明涉及一种涤纶长丝仿绒面料的染整方法,取涤纶长丝整经后上机织造得到坯布,所得坯布再依次经平幅退浆、气流开纤、气流染色、开幅、拉幅、机械柔软和预缩,即得到目的产物。与现有技术相比,本发明制得的涤纶长丝仿绒面料具有良好的强度,同时,面料表面顺滑,且具有较为柔顺均匀的绒毛触感。(The invention relates to a dyeing and finishing method of polyester filament velvet-like fabric, which comprises the steps of warping polyester filaments, weaving on a machine to obtain grey cloth, and sequentially carrying out open-width desizing, air flow fiber opening, air flow dyeing, scutching, tentering, mechanical softening and preshrinking on the obtained grey cloth to obtain a target product. Compared with the prior art, the polyester filament yarn velvet-like fabric prepared by the invention has good strength, and meanwhile, the surface of the fabric is smooth and has a relatively smooth and uniform velvet touch.)

1. A dyeing and finishing method of a polyester filament velvet-like fabric is characterized in that polyester filaments are taken to be warped and then woven on a machine to obtain a grey fabric, and the obtained grey fabric is sequentially subjected to open-width desizing, air flow fiber opening, air flow dyeing, width opening, tentering, mechanical softening and preshrinking to obtain a target product.

2. The dyeing and finishing method of the polyester filament velvet fabric according to claim 1, wherein the precision after warping is 80 threads/cm, and the weft density is 40 threads/cm.

3. The dyeing and finishing method of the polyester filament velvet fabric according to claim 1, wherein in the open width desizing process, the polyester filament velvet fabric is treated in a first solution containing 2.5g/L NaOH and 2091.0 g/L detergent, then is treated in a second solution containing 0.8g/L acetic acid, and is dried, so that the dyeing and finishing method is completed.

4. The dyeing and finishing method of the polyester filament velvet fabric according to claim 3, wherein six water tanks into which the first solution is introduced are provided, and the temperature of each water tank is controlled to 35 ℃, 50 ℃, 90 ℃, 95 ℃, 75 ℃ and 60 ℃ in sequence according to the traveling direction of the gray fabric.

5. The dyeing and finishing method of the polyester filament yarn velvet fabric according to the claim 1, characterized in that the air-jet opening is carried out in an air-jet dyeing machine, and the opening solution contains 3.5g/l of soda ash, 1.2g/l of detergent and 0.8g/l of anti-wrinkle agent in bath.

6. The dyeing and finishing method of the polyester filament velvet fabric according to claim 5, wherein the air-flow fiber opening process specifically comprises the following steps: the temperature of the grey cloth entering the splitting solution is 60 ℃, then the temperature is raised to 110 ℃ at the speed of 1.5 ℃/min, the temperature is kept for one hour, water is discharged, the grey cloth is cleaned by clear water, and then the grey cloth is neutralized by 0.5g/l acetic acid solution, thus completing the process.

7. The dyeing and finishing method of the polyester filament velvet fabric according to claim 1, characterized in that the air flow dyeing is carried out in an air flow dyeing machine, a dyeing solution containing reactive dye, anhydrous sodium sulfate and soda ash is adopted for heat preservation for 50min at 60 ℃, the content of the reactive dye is 3 percent of the mass of the grey cloth, the concentration of the anhydrous sodium sulfate is 70g/L, and the concentration of the soda ash is 30 g/L.

8. The dyeing and finishing method of the polyester filament velvet fabric according to claim 1, characterized in that the mechanical softening process specifically comprises the following steps: air softening finishing is carried out at the temperature of 120 ℃ by adopting the white Caranib AIRO-24.

Technical Field

The invention belongs to the technical field of functional fiber fabric preparation, and relates to a dyeing and finishing method of a polyester filament yarn velvet-like fabric.

Background

The polyester filament yarn is a commonly used fabric at present, and a fabric woven by the polyester filament yarn has the advantages of good strength, smoothness, stiffness, easiness in washing, quick-drying and the like in the clothes making performance, but has the defects of hard hand feeling, poor touch feeling, soft luster and the like, so that the application of the polyester filament yarn in clothes such as underwear and the like is greatly limited. In addition, the traditional sand washing and dyeing process easily causes the finished fabric to have cloth surface creases and scratches, which also causes the reduction of the rate of finished fabric. Therefore, in order to improve the grade of the polyester filament yarn fabric, it is necessary to provide a dyeing and finishing method for polyester filament yarn, so that the polyester filament yarn fabric has good hand feeling and finished product style on the basis of keeping strength, stiffness and the like.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provide a dyeing and finishing method of a polyester filament velvet-like fabric.

The purpose of the invention can be realized by the following technical scheme:

a dyeing and finishing method of a polyester filament yarn velvet-like fabric is characterized in that polyester filament yarns are warped and woven on a machine to obtain a grey fabric, and the obtained grey fabric is subjected to open-width desizing, airflow fiber opening, airflow dyeing, width opening, tentering, mechanical softening and preshrinking in sequence to obtain a target product.

Furthermore, the precision after warping is 80 pieces/cm, and the weft density is 40 pieces/cm.

Furthermore, in the open-width desizing process, firstly, the mixture is treated in a solution I containing 2.5g/L of NaOH and 2091.0 g/L of detergent, then is placed in a solution II containing 0.8g/L of acetic acid for treatment, and then is dried, so that the process is finished.

Furthermore, six water tanks are provided to which the first solution is introduced, and the temperature of each water tank is controlled to 35 ℃, 50 ℃, 90 ℃, 95 ℃, 75 ℃ and 60 ℃ in sequence according to the traveling direction of the gray fabric.

Further, the air flow opening is carried out in an air flow dyeing machine, and the opening solution contains 3.5g/l of soda ash, 1.2g/l of detergent and 0.8g/l of anti-wrinkle agent in a bath.

Furthermore, the air flow fiber opening process specifically comprises the following steps: the temperature of the grey cloth entering the splitting solution is 60 ℃, then the temperature is raised to 110 ℃ at the speed of 1.5 ℃/min, the temperature is kept for one hour, water is discharged, the grey cloth is cleaned by clear water, and then the grey cloth is neutralized by 0.5g/l acetic acid solution, thus completing the process.

Further, carrying out air flow dyeing in an air flow dyeing machine, and carrying out heat preservation for 50min at 60 ℃ by adopting a dyeing solution containing reactive dye, anhydrous sodium sulfate and soda ash, wherein the content of the reactive dye is 3% of the mass of the grey cloth, the concentration of the anhydrous sodium sulfate is 70g/L, and the concentration of the soda ash is 30 g/L.

Further, the mechanical softening process specifically comprises the following steps: air softening finishing is carried out at the temperature of 120 ℃ by adopting the white Caranib AIRO-24.

Compared with the prior art, the polyester filament yarn velvet-like fabric prepared by the invention has good strength, and meanwhile, the surface of the fabric is smooth and has a relatively smooth and uniform velvet touch.

Detailed Description

The present invention will be described in detail with reference to specific examples. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.

In the following examples, unless otherwise specified, the starting materials or the treatment techniques are all conventional and commercially available materials or conventional treatment techniques in the art.

Example 1:

a dyeing and finishing method of a polyester filament yarn velvet-like fabric is characterized in that polyester filament yarns are warped and woven on a machine to obtain a grey fabric, and the obtained grey fabric is subjected to open-width desizing, airflow fiber opening, airflow dyeing, width opening, tentering, mechanical softening and preshrinking in sequence to obtain a target product.

In this example, the precision after warping was 80 threads/cm, and the weft density was 40 threads/cm.

In the open-width desizing process, firstly, the mixture is treated in a solution I containing 2.5g/L of NaOH and 2091.0 g/L of detergent, then the mixture is placed in a solution II containing 0.8g/L of acetic acid for treatment, and then the drying is carried out, thus completing the process.

Six water tanks are provided for introducing the first solution, and the temperature of each water tank is controlled to be 35 ℃, 50 ℃, 90 ℃, 95 ℃, 75 ℃ and 60 ℃ in sequence according to the advancing direction of the grey cloth.

The air flow opening is carried out in an air flow dyeing machine, and the opening solution contains 3.5g/l of soda ash, 1.2g/l of detergent and 0.8g/l of anti-wrinkle agent in a bath. The air flow fiber opening process specifically comprises the following steps: the temperature of the grey cloth entering the splitting solution is 60 ℃, then the temperature is raised to 110 ℃ at the speed of 1.5 ℃/min, the temperature is kept for one hour, water is discharged, the grey cloth is cleaned by clear water, and then the grey cloth is neutralized by 0.5g/l acetic acid solution, thus completing the process.

And (3) carrying out air flow dyeing in an air flow dyeing machine, and preserving the temperature of a dyeing solution containing reactive dye, anhydrous sodium sulfate and sodium carbonate for 50min at 60 ℃, wherein the content of the reactive dye is 3% of the mass of the grey cloth, the concentration of the anhydrous sodium sulfate is 70g/L, and the concentration of the sodium carbonate is 30 g/L.

The mechanical softening process specifically comprises the following steps: air softening finishing is carried out at the temperature of 120 ℃ by adopting the white Caranib AIRO-24.

After detection, the surface of the polyester filament yarn fabric obtained in the above example 1 has obvious velvet feeling, no crease and scratch marks are generated on the surface of the fabric, the touch feeling is uniform, the fabric is flat and comfortable, and the other properties are shown in the following table 1.

TABLE 1

Comparative example 1:

compared with the embodiment 1, the method is mostly the same, except that the air flow fiber opening process is changed to be directly treated in a fiber opening reagent at 110 ℃.

Comparative example 2:

compared with example 1, the method is mostly the same except that the air current dyeing process is changed into the traditional dyeing treatment in a conventional dyeing tank.

Comparative example 3:

compared to example 1, the majority are the same, except that the mechanical softening process is omitted.

Comparative example 4:

compared with example 1, most of them are the same except that the air-flow splitting process is omitted.

The textile fabrics obtained in the comparative examples 1 to 5 were finished, and the corresponding properties are specifically shown in the following table 2.

TABLE 2

As can be seen from the performance data in tables 1 and 2, in the example 1, compared with the comparative examples 1 and 4, after the polyester filament grey cloth is treated by the airflow splitting process, the surface of the lining of the polyester filament surface can generate good fluff touch, the hand feeling is comfortable, and meanwhile, the subsequent dyeing is facilitated. Compared with the comparative example 2, the damage of the conventional dyeing process to the surface of the fabric can be effectively avoided and the generation of creases is reduced by adopting the air flow dyeing in the example 1. Compared with the comparative example 3, the surface fluff of the fabric subjected to fiber opening and dyeing can be better erected by additionally arranging the mechanical softening process in the example 1, and the 'imitation fluff' performance is improved.

The embodiments described above are described to facilitate an understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.