阅读说明：本技术 一种用于芳纶和锦纶混纺织物的染色方法 (Dyeing method for aramid fiber and chinlon blended fabric ) 是由 江国兵 王晓斌 艾新峰 于 2020-12-22 设计创作，主要内容包括：本发明公开了一种用于芳纶和锦纶混纺织物的染色方法,依次包括如下步骤：混纺织物的熟化定向预处理；预处理混纺物洗涤烘干处理；配制阳离子染液；混纺物染色处理；初染洗涤处理；纺织物酸性染色处理；染色后处理。该用于芳纶和锦纶混纺织物的染色方法,由于芳纶的性质相对稳定,通过阳离子染料对芳纶和锦纶进行初步染色,锦纶纤维的性质相对活跃,对阳离子染料的吸收会比芳纶更加的优秀,会出现不能达到预期的质量,所以要对混纺织物在进行套染,通过使用净洗剂AR-812,这样就可以将混纺织物充分清洗,实现能够使整体颜色能够一致,染色后处理时采用多次洗涤方式进行清洗,洗涤方法为温度逐渐下降法,能够更加彻底的将混纺织物的附着浮染料进行去除。(The invention discloses a dyeing method for aramid fiber and chinlon blended fabric, which sequentially comprises the following steps: curing and orienting pretreatment of the blended fabric; washing and drying the pretreated blended fabric; preparing a cationic dye solution; dyeing the blended fabric; carrying out primary dyeing and washing treatment; carrying out acid dyeing treatment on the textile; and (5) carrying out dyeing post-treatment. The dyeing method for the aramid fiber and polyamide fiber blended fabric is characterized in that the aramid fiber is relatively stable in property, the aramid fiber and the polyamide fiber are primarily dyed by the cationic dye, the polyamide fiber is relatively active in property, the cationic dye can be better absorbed than the aramid fiber, and the expected quality cannot be achieved.)

1. A dyeing method for aramid fiber and chinlon blended fabric is characterized by sequentially comprising the following steps:

(1) curing and orienting pretreatment of the blended fabric: the specific mode of pretreating the aramid fiber and chinlon blended fabric is that the aramid fiber and chinlon blended fabric is placed in an oil removing agent for soaking, so that oil stains on the blended fabric are emulsified and removed;

(2) washing and drying the pretreated blended fabric: removing and draining the deoiled aramid fiber and chinlon blended fabric in the step (1), washing and drying, and storing for later use;

(3) preparing a cationic dye solution: adding the cationic dye solution, glacial acetic acid and soft water into a dyeing tank, stirring and heating;

(4) dyeing the blend: adding the aramid fiber and chinlon blended fabric pretreated in the step (2) into the step (3) for continuous heating, and keeping the constant temperature when the temperature is heated to 98 ℃;

(5) primary dyeing and washing treatment: fishing out the blended fabric subjected to cationic dyeing in the step (4), and adding the blended fabric into a washing tank for washing;

(6) textile acid dyeing treatment: fishing out the blended fabric obtained in the step (5), and adding the blended fabric into a dyeing pool for acid dyeing;

(7) and (3) dyeing post-treatment: and (4) adding the dyed blended fabric in the step (6) into a washing tank for washing and drying for multiple times.

2. The dyeing method for the aramid and chinlon blended fabric according to claim 1, characterized in that: the type of the oil removing agent in the step (1) is oil removing agent Goon206, the dosage of the oil removing agent Goon206 is controlled to be 0.3-0.8 g/L, the time is controlled to be 15-30 min, and the soaking temperature is controlled to be 50-80 ℃.

3. The dyeing method for the aramid and chinlon blended fabric according to claim 1, characterized in that: in the step (3), the dosage of the cationic dye is 0.1-5% owf of the weight of the aramid fiber and chinlon blended fabric, and the dosage of the glacial acetic acid is 1-2% owf of the weight of the aramid fiber and chinlon blended fabric.

4. The dyeing method for the aramid and chinlon blended fabric according to claim 1, characterized in that: the washing material used by the blended fabric subjected to cationic dyeing in the step (5) is a detergent AR-812, the washing time is controlled to be 20-30 min, and the water temperature is controlled to be 40-50 ℃.

5. The dyeing method for the aramid and chinlon blended fabric according to claim 1, characterized in that: the acid coloring agent used in the step (6) is one or a mixture of more of Elilier Yellow (Yellow) A-3G, Elilier Red (Red) A-3B, Elilier Blue (Blue) A-R and Elilier Black (Black) AM-R, the dyeing time is 40-60 min, and the temperature is set to be 80-100 ℃.

6. The dyeing method for the aramid and chinlon blended fabric according to claim 1, characterized in that: in the step (7), the aramid fiber and chinlon blended fabric is firstly used with a soaping agent and soft water in the washing tank, the temperature is raised to 90 ℃, the temperature lasts for 15-30 min, and the aramid fiber and chinlon blended fabric is secondly used with water washing and overflowing, the water temperature is controlled at 40 ℃, and the water temperature lasts for 30-50 min.

Technical Field

The invention relates to the technical field of blended fabric dyeing, in particular to a dyeing method for aramid fiber and chinlon blended fabrics.

Background

In recent years, people pay more and more attention to the safety and the protective performance of textiles, and in special industries such as the fields of fire fighting, petrifaction, metallurgy and the like, the fabrics worn by workers, such as work clothes, professional garments and the like, are required to have the performances of flame retardance, safety, wearability and the like, and the performances of safety, wearability and the like. The problem of inflammability of textiles is increasingly paid more attention to in various social circles, and the research and development of flame-retardant high-temperature-resistant textiles with good thermal stability are paid much attention to by various enterprises. Some clothing textiles are mainly needed for wearing by human bodies, so that the textiles not only need to have excellent flame retardant performance, but also need to have certain protective performance and thermal comfort; if the anti-dripping performance of the flame-retardant fabric is poor, molten drops generated in a fire disaster can be adhered to the skin, and skin injury and even life harm are caused to fire personnel.

The aramid fiber and chinlon blended fabric is disclosed, the aramid fiber is made of benzenedicarboxamide, the benzenedicarboxamide has the characteristics of ultrahigh strength, high temperature resistance and light weight, and is a preferred material for working clothes in special industries, but the aramid fiber and chinlon blended fabric has the defect of poor comfort, the practical value can be improved only by blending the aramid fiber and the chinlon, and the aramid fiber and chinlon blended fabric is difficult to dye in the prior art, and the molecular structure of the aramid fiber does not contain polar dyeing groups, so that the aramid fiber and chinlon blended fabric still cannot be well dyed and firmly dyed even in a severe dyeing process, and cannot be a product preferentially selected by people.

Therefore, the dyeing method for the aramid fiber and chinlon blended fabric is provided, and the problems that aramid fibers are not easy to color and color is faded in use are solved by different methods such as a stock solution coloring method, an organic solvent dyeing method, an ultrahigh temperature and high pressure dyeing method, a chemical modification dyeing method and the like.

Disclosure of Invention

The invention aims to provide a dyeing method for aramid fiber and chinlon blended fabric, which solves the problem that the aramid fiber and chinlon blended fabric is difficult to dye in the prior art in the background art, and the molecular structure of the aramid fiber does not contain polar dyeing groups, so that the blended fabric still cannot be dyed well and firmly even in a severe dyeing process, and the problem of fading is caused during use.

In order to achieve the purpose, the invention provides the following technical scheme: a dyeing method for aramid fiber and chinlon blended fabric sequentially comprises the following steps:

(1) curing and orienting pretreatment of the blended fabric: the specific method for pretreating the aramid fiber and chinlon blended fabric comprises the steps of soaking the aramid fiber and chinlon blended fabric in an oil removing agent to emulsify and remove oil stains on the blended fabric;

(2) washing and drying the pretreated blended fabric: removing and draining the deoiled aramid fiber and chinlon blended fabric in the step (1), washing and drying, and storing for later use;

(3) preparing a cationic dye solution: adding the cationic dye solution, glacial acetic acid and soft water into a dyeing tank, stirring and heating;

(4) dyeing the blend: adding the aramid fiber and polyamide fiber mixed textile pretreated in the step (2) into the step (3) for continuous heating, and keeping the constant temperature when the temperature is heated to 98 ℃;

(5) primary dyeing and washing treatment: fishing out the blended fabric subjected to cationic dyeing in the step (4), and adding the blended fabric into a washing tank for washing;

(6) textile acid dyeing treatment: fishing out the blended fabric obtained in the step (5), and adding the blended fabric into a dyeing pool for acid dyeing;

(7) and (3) dyeing post-treatment: and (4) adding the dyed blended fabric in the step (6) into a washing tank for washing and drying for multiple times.

Preferably, the type of the oil removing agent in the step (1) is the oil removing agent Goon206, the dosage of the oil removing agent Goon206 is controlled to be 0.3-0.8 g/L, the time is controlled to be 15-30 min, and the soaking temperature is controlled to be 50-80 ℃.

Preferably, in the step (3), the dosage of the cationic dye is 0.1-5% owf of the weight of the para-aramid and polyamide blended fabric, and the dosage of the glacial acetic acid is 1-2% owf of the weight of the para-aramid and polyamide blended fabric.

Preferably, the washing material used for the blended fabric subjected to cationic dyeing treatment in the step (5) is a detergent AR-812, the washing time is controlled to be 20-30 min, and the water temperature is controlled to be 40-50 ℃.

Preferably, the acid dyeing agent used in the step (6) is one or more of Elilier Yellow (Yellow) A-3G, Elilier Red (Red) A-3B, Elilier Blue (Blue) A-R and Elilier Black (Black) AM-R, and the dyeing time is 40-60 min and the temperature is set to 80-100 ℃.

Preferably, in the step (7), the aramid fiber and chinlon blended fabric is firstly washed by soap lotion and soft water in the washing tank, the temperature is raised to 90 ℃, the washing lasts for 15-30 min at the temperature, and the washing overflows after the second washing, the water temperature is controlled at 40 ℃ and lasts for 30-50 min.

Compared with the prior art, the invention has the beneficial effects that: the dyeing method for the aramid fiber and chinlon blended fabric has the advantages that the aramid fiber is relatively stable in property, the aramid fiber is required to be expanded at a high temperature so as to carry out free volume, the aramid fiber and the chinlon are primarily dyed by cationic dye, but the chinlon fiber is relatively active, the absorption of the cationic dye is better than that of the aramid fiber, so that the color cannot reach the expected quality, the blended fabric is required to be subjected to over dyeing, the blended fabric is required to be cleaned before the over dyeing, the cationic dye residue on the surface of the blended fabric is removed, the cleaning time is controlled between 20min and 30min by using a cleaning agent AR-812, the water temperature is controlled between 40 ℃ and 50 ℃, the surface of the blended fabric can be fully cleaned, and then the chinlon fiber and the aramid fiber are subjected to combined top dyeing by using acid dye, therefore, the integral colors of the aramid fiber and chinlon blended fabric can be consistent, and the service life of the blended fabric is longer.

The blended fabric is cleaned in a repeated washing mode during dyeing post-treatment, and the washing method is a temperature gradual reduction method, so that floating dyes attached to the surface of the blended fabric can be removed more thoroughly, the phenomenon that people lose color to influence use when the blended fabric is used is prevented, and the blended fabric is more stable.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Example one

The invention provides a technical scheme that: a dyeing method for aramid fiber and chinlon blended fabric sequentially comprises the following steps:

(1) curing and orienting pretreatment of the blended fabric: the specific method for pretreating the aramid fiber and polyamide fiber blended fabric comprises the steps of soaking the aramid fiber and polyamide fiber blended fabric in an oil removing agent to remove oil dirt on the blended fabric in an emulsifying manner, wherein the oil removing agent is Goon206, the dosage of the oil removing agent Goon206 is controlled to be 0.3 g/L, the time is controlled to be 15min, and the soaking temperature is controlled to be 50 ℃;

(2) washing and drying the pretreated blended fabric: removing and draining the deoiled aramid fiber and chinlon blended fabric in the step (1), washing and drying, and storing for later use;

(3) preparing a cationic dye solution: adding a cationic dye solution, glacial acetic acid and soft water into a dyeing tank, stirring and heating, wherein the dosage of the cationic dye is 1% owf of the weight of the aramid fiber and chinlon blended fabric, and the dosage of the glacial acetic acid is 1% owf of the weight of the aramid fiber and chinlon blended fabric;

(4) dyeing the blend: adding the aramid fiber and polyamide fiber mixed textile pretreated in the step (2) into the step (3) for continuous heating, and keeping the constant temperature when the temperature is heated to 98 ℃;

(5) primary dyeing and washing treatment: fishing out the blended fabric subjected to cationic dyeing in the step (4), adding the blended fabric into a washing tank for washing, wherein the washing material used by the blended fabric subjected to cationic dyeing is a detergent AR-812, the washing time is controlled to be 20min, and the water temperature is controlled to be 40 ℃;

(6) textile acid dyeing treatment: fishing out the blended fabric obtained in the step (5), adding the blended fabric into a dyeing pool for acid dyeing, wherein the acid dyeing agent is one or a mixture of Elilier Yellow (Yellow) A-3G, Elilier Red (Red) A-3B, Elilier Blue (Blue) A-R and Elilier Black (Black) AM-R, the dyeing time is 40min, and the temperature is set to be 80 ℃;

(7) and (3) dyeing post-treatment: and (4) adding the dyed blended fabric in the step (6) into a washing tank for washing and drying for multiple times, wherein the aramid fiber and chinlon blended fabric uses a soaping agent and soft water for the first time in the washing tank, the temperature is raised to 90 ℃, the temperature lasts for 15min, the aramid fiber and chinlon blended fabric uses water for the second time, and the water temperature is controlled at 40 ℃ and lasts for 30 min.

Example two

The invention provides a technical scheme that: a dyeing method for aramid fiber and chinlon blended fabric sequentially comprises the following steps:

(1) curing and orienting pretreatment of the blended fabric: the specific method for pretreating the aramid fiber and polyamide fiber blended fabric comprises the steps of soaking the aramid fiber and polyamide fiber blended fabric in an oil removing agent to remove oil dirt on the blended fabric in an emulsifying manner, wherein the oil removing agent is Goon206, the dosage of the oil removing agent Goon206 is controlled to be 0.4 g/L, the time is controlled to be 20min, and the soaking temperature is controlled to be 60 ℃;

(2) washing and drying the pretreated blended fabric: removing and draining the deoiled aramid fiber and chinlon blended fabric in the step (1), washing and drying, and storing for later use;

(3) preparing a cationic dye solution: adding a cationic dye solution, glacial acetic acid and soft water into a dyeing tank, stirring and heating, wherein the dosage of the cationic dye is 2% owf of the weight of the aramid fiber and chinlon blended fabric, and the dosage of the glacial acetic acid is 1.3% owf of the weight of the aramid fiber and chinlon blended fabric;

(4) dyeing the blend: adding the aramid fiber and polyamide fiber mixed textile pretreated in the step (2) into the step (3) for continuous heating, and keeping the constant temperature when the temperature is heated to 98 ℃;

(5) primary dyeing and washing treatment: fishing out the blended fabric subjected to cationic dyeing in the step (4), and adding the blended fabric into a washing tank for washing, wherein the washing material used by the blended fabric subjected to cationic dyeing is cleaning agent AR-812, the washing time is controlled to be 24min, and the water temperature is controlled to be 42 ℃;

(6) textile acid dyeing treatment: fishing out the blended fabric obtained in the step (5), adding the blended fabric into a dyeing pool, and carrying out acid dyeing, wherein the acid dyeing agent is one or a mixture of Elilier Yellow (Yellow) A-3G, Elilier Red (Red) A-3B, Elilier Blue (Blue) A-R and Elilier Black (Black) AM-R, the dyeing time is 45min, and the temperature is 85 ℃;

(7) and (3) dyeing post-treatment: and (4) adding the dyed blended fabric in the step (6) into a washing tank for washing and drying for multiple times, wherein the aramid fiber and chinlon blended fabric uses a soaping agent and soft water for the first time in the washing tank, the temperature is raised to 90 ℃, the temperature lasts for 20min, the aramid fiber and chinlon blended fabric uses water for the second time, and the water temperature is controlled at 40 ℃ and lasts for 40 min.

EXAMPLE III

The invention provides a technical scheme that: a dyeing method for aramid fiber and chinlon blended fabric sequentially comprises the following steps:

(1) curing and orienting pretreatment of the blended fabric: the specific method for pretreating the aramid fiber and polyamide fiber blended fabric comprises the steps of soaking the aramid fiber and polyamide fiber blended fabric in an oil removing agent to remove oil dirt on the blended fabric in an emulsifying manner, wherein the oil removing agent is Goon206, the dosage of the oil removing agent Goon206 is controlled to be 0.6 g/L, the time is controlled to be 25min, and the soaking temperature is controlled to be 70 ℃;

(2) washing and drying the pretreated blended fabric: removing and draining the deoiled aramid fiber and chinlon blended fabric in the step (1), washing and drying, and storing for later use;

(3) preparing a cationic dye solution: adding a cationic dye solution, glacial acetic acid and soft water into a dyeing tank, stirring and heating, wherein the dosage of the cationic dye is 4% owf of the weight of the aramid fiber and chinlon blended fabric, and the dosage of the glacial acetic acid is 1.7% owf of the weight of the aramid fiber and chinlon blended fabric;

(4) dyeing the blend: adding the aramid fiber and polyamide fiber mixed textile pretreated in the step (2) into the step (3) for continuous heating, and keeping the constant temperature when the temperature is heated to 98 ℃;

(5) primary dyeing and washing treatment: fishing out the blended fabric subjected to cationic dyeing in the step (4), and adding the blended fabric into a washing tank for washing, wherein the washing material used by the blended fabric subjected to cationic dyeing is cleaning agent AR-812, the washing time is controlled at 28min, and the water temperature is controlled at 45 ℃;

(6) textile acid dyeing treatment: fishing out the blended fabric obtained in the step (5), adding the blended fabric into a dyeing pool, and carrying out acid dyeing, wherein the acid dyeing agent is one or a mixture of Elilier Yellow (Yellow) A-3G, Elilier Red (Red) A-3B, Elilier Blue (Blue) A-R and Elilier Black (Black) AM-R, the dyeing time is 53min, and the temperature is set to be 90 ℃;

(7) and (3) dyeing post-treatment: and (4) adding the dyed blended fabric in the step (6) into a washing tank for washing and drying for multiple times, wherein the aramid fiber and chinlon blended fabric uses a soaping agent and soft water for the first time in the washing tank, the temperature is raised to 90 ℃, the temperature lasts for 25min, the aramid fiber and chinlon blended fabric uses water for the second time, and the water temperature is controlled at 40 ℃ and lasts for 45 min.

Example four

The invention provides a technical scheme that: a dyeing method for aramid fiber and chinlon blended fabric sequentially comprises the following steps:

(1) curing and orienting pretreatment of the blended fabric: the specific method for pretreating the aramid fiber and polyamide fiber blended fabric comprises the steps of soaking the aramid fiber and polyamide fiber blended fabric in an oil removing agent to remove oil dirt on the blended fabric in an emulsifying manner, wherein the oil removing agent is Goon206, the dosage of the oil removing agent Goon206 is controlled to be 0.8 g/L, the time is controlled to be 30min, and the soaking temperature is controlled to be 80 ℃;

(2) washing and drying the pretreated blended fabric: removing and draining the deoiled aramid fiber and chinlon blended fabric in the step (1), washing and drying, and storing for later use;

(3) preparing a cationic dye solution: adding a cationic dye solution, glacial acetic acid and soft water into a dyeing tank, stirring and heating, wherein the dosage of the cationic dye is 5% owf of the weight of the aramid fiber and chinlon blended fabric, and the dosage of the glacial acetic acid is 2% owf of the weight of the aramid fiber and chinlon blended fabric;

(4) dyeing the blend: adding the aramid fiber and polyamide fiber mixed textile pretreated in the step (2) into the step (3) for continuous heating, and keeping the constant temperature when the temperature is heated to 98 ℃;

(5) primary dyeing and washing treatment: fishing out the blended fabric subjected to cationic dyeing in the step (4), adding the blended fabric into a washing tank for washing, wherein the washing material used by the blended fabric subjected to cationic dyeing is a detergent AR-812, the washing time is controlled to be 30min, and the water temperature is controlled to be 50 ℃;

(6) textile acid dyeing treatment: fishing out the blended fabric obtained in the step (5), adding the blended fabric into a dyeing pool for acid dyeing, wherein the acid dyeing agent is one or a mixture of Elilier Yellow (Yellow) A-3G, Elilier Red (Red) A-3B, Elilier Blue (Blue) A-R and Elilier Black (Black) AM-R, the dyeing time is 60min, and the temperature is set to be 100 ℃;

(7) and (3) dyeing post-treatment: and (4) adding the dyed blended fabric in the step (6) into a washing tank for washing and drying for multiple times, wherein the aramid fiber and chinlon blended fabric uses a soaping agent and soft water for the first time in the washing tank, the temperature is raised to 90 ℃, the temperature lasts for 30min, the aramid fiber and chinlon blended fabric uses water for the second time, and the water temperature is controlled at 40 ℃ and lasts for 50 min.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes, modifications, equivalents, improvements and the like can be made therein without departing from the spirit and scope of the invention.