阅读说明：本技术 一种sorona面料染色工艺及sorona面料 (Sorona fabric dyeing process and sorona fabric ) 是由 任伟荣 姚栋平 徐慧 许磊 于 2020-12-21 设计创作，主要内容包括：本发明涉及一种sorona面料染色工艺,所述染色工艺包括染色工序和位于染色工序前道的前处理工序,前处理工序包括如下步骤：a1、配置处理液；a2、将sorona面料放入处理液中进行浸渍处理；所述处理液包含辛醇、醋酸、水,其中辛醇占比为(1%—3.5%),醋酸占比为(1.5%—2.5%),处理液的pH值为3-4.5；染色工序包括如下步骤：b1、采用分散染料配置染液；b2、将经过步骤a2浸渍处理的sorona面料放入染液中进行染色处理,之后取出面料并进行水洗、烘干；前处理阶段的工艺环保、便捷,处理后的sorona面料可以在低于常规染色工艺的温度下进行染色,能量耗费少,处理时间缩短,大幅提高经济效益,且面料手感也有一定的提高,面料染色后的色深K/S值明显增加,且色牢度较好。(The invention relates to a sorona fabric dyeing process, which comprises a dyeing process and a pretreatment process positioned before the dyeing process, wherein the pretreatment process comprises the following steps: a1, preparing a treatment solution; a2, putting the sorona fabric into the treatment liquid for dipping treatment; the treatment liquid comprises octanol, acetic acid and water, wherein the octanol accounts for (1% -3.5%), the acetic acid accounts for (1.5% -2.5%), and the pH value of the treatment liquid is 3-4.5; the dyeing process comprises the following steps: b1, preparing dye liquor by adopting disperse dye; b2, putting the sorona fabric subjected to the dipping treatment in the step a2 into a dye solution for dyeing treatment, taking out the fabric, washing with water, and drying; the pretreatment process is environment-friendly and convenient, the treated sorona fabric can be dyed at a temperature lower than that of a conventional dyeing process, the energy consumption is low, the treatment time is shortened, the economic benefit is greatly improved, the hand feeling of the fabric is also improved to a certain extent, the color depth K/S value of the dyed fabric is obviously increased, and the color fastness is good.)

1. A sorona fabric dyeing process is characterized by comprising the following steps: the dyeing process comprises a dyeing procedure and a pretreatment procedure positioned before the dyeing procedure, wherein the pretreatment procedure comprises the following steps: a1, preparing a treatment solution; a2, putting the sorona fabric into the treatment liquid for dipping treatment; the treatment liquid comprises octanol, acetic acid and water, wherein the octanol accounts for (1% -3.5%), the acetic acid accounts for (1.5% -2.5%), and the pH value of the treatment liquid is 3-4.5; the dyeing process comprises the following steps: b1, preparing dye liquor by adopting disperse dye; b2, putting the sorona fabric subjected to the dipping treatment in the step a2 into a dye solution for dyeing treatment, taking out the fabric, washing with water and drying.

2. The sorona fabric dyeing process according to claim 1, which is characterized in that: the bath ratio of the immersion treatment in step a2 was 1: 20.

3. the sorona fabric dyeing process according to claim 1, which is characterized in that: the temperature of the impregnation treatment in step a2 was 40 ℃.

4. The sorona fabric dyeing process according to claim 1, which is characterized in that: the time of the dipping treatment in the step a2 is 10min-15 min.

5. The sorona fabric dyeing process according to claim 1, which is characterized in that: the bath ratio of the dyeing treatment in the step b2 is 1: 10-20.

6. The sorona fabric dyeing process according to claim 1, which is characterized in that: the dyeing temperature of the dyeing treatment in the step b2 is 100-130 ℃.

7. The sorona fabric dyeing process according to claim 1, which is characterized in that: the dyeing time in the step b2 is 40-60 min.

8. A sorona fabric is characterized in that: the sorona fabric is obtained by dyeing according to the dyeing process recited in any one of claims 1 to 7.

Technical Field

The invention relates to a sorona fabric dyeing process and a sorona fabric.

Background

The sorona fabric is dyed by adopting a disperse dye generally, and the conventional dyeing process comprises the following steps: disperse dye is adopted for dyeing, the bath ratio (1:20-30) (the ratio of the weight of the fabric to the weight of the water), the dyeing temperature is 120 ℃ and 135 ℃, and the dyeing time is 50-90 min. The specific dyeing process comprises the following steps: the dye liquor is put into the fabric at 50 ℃, and the temperature is raised to 90 ℃ at the speed of 1 ℃/min. And after dyeing for 20min, continuously heating to 120 ℃, dyeing at constant temperature for 30-60min, cooling to 60 ℃, washing with water, and drying. The sorona fabric in the prior art is poor in dyeing and darkening effects, the temperature required for dyeing is high, energy consumption is high, in addition, the existing dyeing technology is long in time required in each link in the dyeing process, low in efficiency and not beneficial to economic benefits of enterprises.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide an orona fabric dyeing process.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows:

the sorona fabric dyeing process comprises a dyeing process and a pretreatment process positioned in the front of the dyeing process, wherein the pretreatment process comprises the following steps: a1, preparing a treatment solution; a2, putting the sorona fabric into the treatment liquid for dipping treatment; the treatment liquid comprises octanol, acetic acid and water, wherein the octanol accounts for (1% -3.5%), the acetic acid accounts for (1.5% -2.5%), and the pH value of the treatment liquid is 3-4.5; the dyeing process comprises the following steps: b1, preparing dye liquor by adopting disperse dye; b2, putting the sorona fabric subjected to the dipping treatment in the step a2 into a dye solution for dyeing treatment, taking out the fabric, washing with water and drying.

Preferably, the bath ratio of the dipping treatment in the step a2 is 1: 20.

preferably, the temperature of the impregnation treatment in step a2 is 40 ℃.

Preferably, the time of the dipping treatment in the step a2 is 10min-15 min.

Preferably, the bath ratio of the dyeing treatment in step b2 is 1: 10-20.

Preferably, the dyeing temperature of the dyeing treatment in step b2 is 100 ℃ to 130 ℃.

Preferably, the dyeing treatment time in the step b2 is 40min-60 min.

The invention also relates to a sorona fabric which is prepared by dyeing through the dyeing process.

Due to the implementation of the technical scheme, compared with the prior art, the invention has the following advantages:

according to the dyeing process, a pretreatment is carried out before the sorona fabric is dyed, the semi-crystalline molecular structure of a sorona molecular chain is easier to change under the conditions of a specific pH value (3-4.5) and a temperature of 40 ℃, and octanol and acetic acid can endow sorona with excellent wettability and dye permeability under the condition of a certain proportion, so that disperse dye can enter the interior of sorona fibers more easily, energy consumption is less, and better dyeing and deepening effects can be realized.

The dyeing process disclosed by the invention has the advantages that the process in the pretreatment stage is environment-friendly and convenient, the treated sorona fabric can be dyed at a temperature lower than that of the conventional dyeing process, the energy consumption is low, the treatment time is shortened, the economic benefit is greatly improved, the fabric hand feeling is also improved to a certain extent, the color depth K/S value of the dyed fabric is obviously increased, and the color fastness is better.

Detailed Description

A sorona fabric dyeing process comprises a dyeing process and a pretreatment process before the dyeing process;

the pretreatment process comprises the following steps: a1, preparing a treatment solution; the treatment liquid comprises octanol, acetic acid and water, wherein the octanol accounts for 1-3.5 percent, the acetic acid accounts for 1.5-2.5 percent, and the pH value of the treatment liquid is 3-4.5; a2, putting the sorona fabric into the treatment liquid for dipping treatment; wherein the bath ratio is 1:20 (ratio of fabric to treating liquid), and the treating temperature is 40 ℃ (the treating temperature cannot be higher than 60 ℃, otherwise, the deepening effect is obviously reduced), and the time is 10min-15 min.

The dyeing process comprises the following steps: b1, preparing dye liquor by adopting disperse dye; b2, putting the sorona fabric subjected to the dipping treatment in the step a2 into a dye solution for dyeing treatment, taking out the fabric, washing with water, and drying, wherein the bath ratio is 1: 10-20 (the ratio of the fabric to the dye liquor), the dyeing temperature is 100-130 ℃, and the total time is 40-60 min. The dyeing liquid is put into the fabric at 50 ℃ in the dyeing procedure, the temperature is raised to 90 ℃ at the speed of 1 ℃/min, the temperature is continuously raised to 100-130 ℃ after dyeing is carried out for 5min, the constant temperature dyeing is carried out for 30min, the temperature is lowered to 60 ℃, and then washing and drying are carried out, the highest temperature of each link in the dyeing procedure is greatly reduced compared with the prior art, the energy consumption is less, the consumed time of each link is reduced compared with the prior art, and the production benefit is improved.

In addition, the invention also relates to a sorona fabric which is prepared by dyeing through the dyeing process.

The present invention will be described in further detail with reference to specific examples and comparative examples.

Example 1:

1. treating the sorona fabric in a treatment solution at 40 ℃, wherein the bath ratio is 1:20, octanol: acetic acid (3.5%): (2.5%) and pH 4, soaking for 15min, taking out the fabric, and directly dyeing.

2. Dyeing by adopting dye liquor prepared from disperse dye, wherein the bath ratio is 1:20, the dyeing temperature is 100 ℃, and the dyeing time is 60 min. In this example, the dye liquor is placed in the fabric at 50 ℃ and the temperature is raised to 90 ℃ at a rate of 1 ℃/min. And after dyeing for 5min, continuously heating to 100 ℃, dyeing for 30min at constant temperature, cooling to 60 ℃, washing with water, and drying.

The test data of the color depth, friction and washing fastness of the sorona fabric of the embodiment are shown in the table 1.

Example 2:

1. treating the sorona fabric in a treatment solution at 40 ℃, wherein the bath ratio is 1:20, octanol: acetic acid (1%): (1.5%) and pH 3.5, soaking for 10min, taking out the fabric, and directly dyeing.

2. Dyeing by adopting dye liquor prepared from disperse dye, wherein the bath ratio is 1:20, the dyeing temperature is 100 ℃, and the dyeing time is 40 min. In this example, the dye liquor is placed in the fabric at 50 ℃ and the temperature is raised to 90 ℃ at a rate of 1 ℃/min. And after dyeing for 5min, continuously heating to 100 ℃, dyeing for 30min at constant temperature, cooling to 60 ℃, washing with water, and drying.

The test data of the color depth, friction and washing fastness of the sorona fabric of the embodiment are shown in the table 1.

Example 3:

1. treating the sorona fabric in a treatment solution at 40 ℃, wherein the bath ratio is 1:20, octanol: acetic acid (2.5%): (2%) and pH value of 3, soaking for 10min, taking out the fabric and directly dyeing.

2. Dyeing by adopting dye liquor prepared from disperse dye, wherein the bath ratio is 1: 10, the dyeing temperature is 120 ℃, and the dyeing time is 40 min. In this example, the dye liquor is placed in the fabric at 50 ℃ and the temperature is raised to 90 ℃ at a rate of 1 ℃/min. And after dyeing for 5min, continuously heating to 100 ℃, dyeing for 30min at constant temperature, cooling to 60 ℃, washing with water, and drying.

The test data of the color depth, friction and washing fastness of the sorona fabric of the embodiment are shown in the table 1.

Example 4:

1. treating the sorona fabric in a treatment solution at 40 ℃, wherein the bath ratio is 1:20, octanol: acetic acid (1.5%): (2.5%) and pH 3, soaking for 10min, taking out the fabric, and directly dyeing.

2. Dyeing by adopting dye liquor prepared from disperse dye, wherein the bath ratio is 1: 10, the dyeing temperature is 110 ℃, and the dyeing time is 40 min. In this example, the dye liquor is placed in the fabric at 50 ℃ and the temperature is raised to 90 ℃ at a rate of 1 ℃/min. And after dyeing for 5min, continuously heating to 100 ℃, dyeing for 30min at constant temperature, cooling to 60 ℃, washing with water, and drying.

The test data of the color depth, friction and washing fastness of the sorona fabric of the embodiment are shown in the table 1.

Example 5:

1. treating the sorona fabric in a treatment solution at 40 ℃, wherein the bath ratio is 1:20, octanol: acetic acid (2.5%): (2.5%) and pH 3, soaking for 10min, taking out the fabric, and directly dyeing.

2. Dyeing by adopting dye liquor prepared from disperse dye, wherein the bath ratio is 1: 10, the dyeing temperature is 130 ℃, and the dyeing time is 60 min. In this example, the dye liquor is placed in the fabric at 50 ℃ and the temperature is raised to 90 ℃ at a rate of 1 ℃/min. And after dyeing for 5min, continuously heating to 100 ℃, dyeing for 30min at constant temperature, cooling to 60 ℃, washing with water, and drying.

The test data of the color depth, friction and washing fastness of the sorona fabric of the embodiment are shown in the table 1.

Example 6:

1. treating the sorona fabric in a treatment solution at 40 ℃, wherein the bath ratio is 1: 10, octanol: acetic acid (3%): (1.5%) and pH 4.5, soaking for 10min, taking out the fabric, and directly dyeing.

2. Dyeing by adopting dye liquor prepared from disperse dye, wherein the bath ratio is 1: 10, the dyeing temperature is 120 ℃, and the dyeing time is 50 min. In this example, the dye liquor is placed in the fabric at 50 ℃ and the temperature is raised to 90 ℃ at a rate of 1 ℃/min. And after dyeing for 5min, continuously heating to 100 ℃, dyeing for 30min at constant temperature, cooling to 60 ℃, washing with water, and drying.

The test data of the color depth, friction and washing fastness of the sorona fabric of the embodiment are shown in the table 1.

Comparative example 1:

1. treating the sorona fabric in a treating fluid at 70 ℃, wherein the bath ratio is 1:20, octanol: acetic acid (3.5%): (2.5%) and pH 3, soaking for 15min, taking out the fabric, and directly dyeing.

2. Dyeing by adopting dye liquor prepared from disperse dye, wherein the bath ratio is 1:20, the dyeing temperature is 130 ℃, and the dyeing time is 60 min. In this example, the dye liquor is placed in the fabric at 50 ℃ and the temperature is raised to 90 ℃ at a rate of 1 ℃/min. And after dyeing for 5min, continuously heating to 100 ℃, dyeing for 30min at constant temperature, cooling to 60 ℃, washing with water, and drying.

The test data of the color depth, friction and washing fastness of the sorona fabric of the embodiment are shown in the table 1.

Comparative example 2:

1. treating the sorona fabric in a treating fluid at 60 ℃, wherein the bath ratio is 1:20, octanol: acetic acid (3%): (2%) and pH 3, soaking for 15min, taking out the fabric, and directly dyeing.

2. Dyeing by adopting dye liquor prepared from disperse dye, wherein the bath ratio is 1:20, the dyeing temperature is 130 ℃, and the dyeing time is 60 min. In this example, the dye liquor is placed in the fabric at 50 ℃ and the temperature is raised to 90 ℃ at a rate of 1 ℃/min. And after dyeing for 5min, continuously heating to 100 ℃, dyeing for 30min at constant temperature, cooling to 60 ℃, washing with water, and drying.

The test data of the color depth, friction and washing fastness of the sorona fabric of the embodiment are shown in the table 1.

Comparative example 3:

1. treating the sorona fabric in a treating fluid at 50 ℃, wherein the bath ratio is 1:20, octanol: acetic acid (3.5%): (2.5%) and pH 4.5, soaking for 15min, taking out the fabric, and directly dyeing.

2. Dyeing by adopting dye liquor prepared from disperse dye, wherein the bath ratio is 1:20, the dyeing temperature is 100 ℃, and the dyeing time is 60 min. In this example, the dye liquor is placed in the fabric at 50 ℃ and the temperature is raised to 90 ℃ at a rate of 1 ℃/min. And after dyeing for 5min, continuously heating to 100 ℃, dyeing for 30min at constant temperature, cooling to 60 ℃, washing with water, and drying.

The test data of the color depth, friction and washing fastness of the sorona fabric of the embodiment are shown in the table 1.

Comparative example 4:

1. treating the sorona fabric in a treatment solution at 40 ℃, wherein the bath ratio is 1:20, octanol (3.5 percent) (without acetic acid), pH value of 6.5, dipping for 10-15min, taking out the fabric and directly dyeing.

2. Dyeing by adopting dye liquor prepared from disperse dye, wherein the bath ratio is 1:20, the dyeing temperature is 100 ℃, and the dyeing time is 60 min. In this example, the dye liquor is placed in the fabric at 50 ℃ and the temperature is raised to 90 ℃ at a rate of 1 ℃/min. And after dyeing for 5min, continuously heating to 100 ℃, dyeing for 30min at constant temperature, cooling to 60 ℃, washing with water, and drying.

The test data of the color depth, friction and washing fastness of the sorona fabric of the embodiment are shown in the table 1.

Comparative example 5:

1. treating the sorona fabric in a treatment solution at 40 ℃, wherein the bath ratio is 1:20, 3 percent of acetic acid (without octanol), 3 percent of pH value, 15min of dipping treatment, and direct dyeing after taking out the fabric.

2. Dyeing by adopting dye liquor prepared from disperse dye, wherein the bath ratio is 1:20, the dyeing temperature is 120 ℃, and the dyeing time is 60 min. In this example, the dye liquor is placed in the fabric at 50 ℃ and the temperature is raised to 90 ℃ at a rate of 1 ℃/min. And after dyeing for 5min, continuously heating to 100 ℃, dyeing for 30min at constant temperature, cooling to 60 ℃, washing with water, and drying.

The test data of the color depth, friction and washing fastness of the sorona fabric of the embodiment are shown in the table 1.

Comparative example 6:

1. dyeing by adopting dye liquor prepared from disperse dye, wherein the bath ratio is 1:20, the dyeing temperature is 130 ℃, and the dyeing time is 60 min. In this example, the dye liquor is placed in the fabric at 50 ℃ and the temperature is raised to 90 ℃ at a rate of 1 ℃/min. And after dyeing for 5min, continuously heating to 100 ℃, dyeing for 30min at constant temperature, cooling to 60 ℃, washing with water, and drying.

Comparative example 7:

1. dyeing by adopting dye liquor prepared from disperse dye, wherein the using amount of a commercial deepening agent DH is 10g/L, and the bath ratio is 1:20, the dyeing temperature is 130 ℃, and the dyeing time is 60 min. In this example, the dye liquor is placed in the fabric at 50 ℃ and the temperature is raised to 90 ℃ at a rate of 1 ℃/min. And after dyeing for 5min, continuously heating to 100 ℃, dyeing for 30min at constant temperature, cooling to 60 ℃, washing with water, and drying.

The test data of the color depth, friction and washing fastness of the sorona fabric of the embodiment are shown in the table 1.

TABLE 1 Sorona Fabric color depth and Friction, Wash fastness Performance test

K/S value, total average flexural length (lower values for better flexibility), examples are better than comparative examples, and the colorfastness properties are also significantly better than comparative examples.

The test methods in examples 1 to 6 and comparative examples 1 to 7 were as follows:

K/S value test: the Datacolor color measuring and matching instrument folds the fabric 2 times, measures 4 times, and takes an average value.

Stiffness: 6 pieces of silk fabrics with the length of 25 multiplied by 2.5cm are respectively cut in the warp direction and the weft direction of the fabric and are tested on a LLY-01 type stiffness tester to obtain the average bending resistance length.

Color fastness to rubbing test: the color fastness to rubbing of GB/T3920 and 2008 textile color fastness test are referred to.

And (3) testing color fastness to washing: reference is made to the Standard test GB/T3921.2-1997 textile color fastness to washing.

The present invention has been described in detail in order to enable those skilled in the art to understand the invention and to practice it, and it is not intended to limit the scope of the invention, and all equivalent changes and modifications made according to the spirit of the present invention should be covered by the present invention.