阅读说明：本技术 全棉白色牛津纺免烫整理色织面料的染整加工方法及面料 (Dyeing and finishing method of all-cotton white oxford non-ironing finishing yarn-dyed fabric and fabric ) 是由 王薇 黄胜良 张虎 于 2019-09-20 设计创作，主要内容包括：本发明公开了一种全棉白色牛津纺免烫整理色织面料的染整加工方法及面料,包括染色前处理工艺和后整理工艺；染色前处理工艺包括在常规煮漂工艺完成后,脱水保持含水量150-200％,在高温高压条件下汽蒸15-30min,温度为130-140℃,再采用增白剂进行增白；其中后整理工艺包括：烧毛→退浆→丝光→定型→焙烘→复漂→定型加软增白一浴→预缩；本发明的有益效果是通过对染色前步骤和后整理步骤的调整,得到的全棉白色织物毛效达到13cm/30min以上,白度达到80％以上,经DP整理可以达到水洗10次织物平整度3.5级以上；通过织物树脂交联过程中产生的黄变得到改善,成品织物的白度值可以达到160以上。(The invention discloses a dyeing and finishing processing method of an all-cotton white oxford non-ironing finishing yarn-dyed fabric and the fabric, which comprises a dyeing pretreatment process and a post-finishing process; the dyeing pretreatment process comprises the steps of dehydrating and keeping the water content at 150-; wherein the after-finishing process comprises the following steps: singeing → desizing → mercerizing → sizing → baking → bleaching → sizing and softening-whitening one bath → preshrinking; the method has the advantages that through the adjustment of the steps before dyeing and after finishing, the capillary effect of the obtained all-cotton white fabric reaches more than 13cm/30min, the whiteness reaches more than 80 percent, and the fabric flatness of the fabric can reach more than 3.5 levels after being washed for 10 times through DP finishing; by improving the yellowing generated in the crosslinking process of the fabric resin, the whiteness value of the finished fabric can reach over 160.)

1. A dyeing and finishing processing method of all-cotton white oxford non-ironing finished yarn-dyed fabric is characterized by comprising the following steps: comprises dyeing pretreatment and after-treatment;

the dyeing pretreatment step comprises the steps of dehydrating after the boiling and bleaching process is finished, keeping the water content at 150-;

the post-finishing step comprises: singeing → desizing → mercerizing → sizing → baking → bleaching → sizing and softening-whitening one bath → preshrinking;

in the mercerizing step, ionic membrane liquid alkali is adopted, the concentration of stock solution is 38-40 Baume degrees, the concentration of caustic soda used by diluting with water is 150-180g/L in the production process, and 5-10g/L of urea is added into alkali liquor;

the shaping step adopts nanometer resin R519 with the dosage of 230-350g/L, catalyst R515M with the dosage of 40-60g/L, strong protective agent with the dosage of 50-80g/L, modified organic silicon softening agent with the dosage of 30-60g/L and penetrating agent with the dosage of 3-5 g/L; drying with hot air at 80-100 deg.C for 1-1.5min, arranging a first cooling roller at the cropping position, and controlling the cropping fabric temperature to be lower than 40 deg.C;

the temperature of the baking step is 135-;

in the re-bleaching step, the concentration of hydrogen peroxide is 20-30g/L, the concentration of complex enzyme is 10-20g/L, the concentration of hydrogen peroxide stabilizer is 3-6g/L, the concentration of chelating dispersant is 3-8g/L, the concentration of caustic soda is 10-20g/L, the temperature is 70-90 ℃, and the time is 15-30 min;

the shaping, softening and whitening bath adopts 30-50g/L of modified organosilicon softening agent, the second whitening agent adopts Leucophor BLR liq whitening agent, the component is stilbene derivative, the dosage is 5-10g/L, the temperature is 90-110 ℃, and the time is 1-1.5 min.

2. The dyeing and finishing processing method of the all-cotton white oxford non-ironing finish yarn-dyed fabric according to claim 1, characterized in that: the first whitening agent is a whitening agent with excellent acid resistance.

3. The dyeing and finishing processing method of the all-cotton white oxford non-ironing finish yarn-dyed fabric according to claim 1, characterized in that: the first whitening agent is a pyrazoline structure whitening agent.

4. The dyeing and finishing processing method of the all-cotton white oxford non-ironing finish yarn-dyed fabric according to claim 1, characterized in that: the temperature of the first cooling roller is 15-20 ℃.

5. The dyeing and finishing processing method of the all-cotton white oxford non-ironing finish yarn-dyed fabric according to claim 1, characterized in that: the temperature of the second cooling roller is 15-20 ℃.

6. The utility model provides an all-cotton white oxford non-ironing finish yarn dyed fabric which characterized in that: the cotton white oxford non-ironing finish yarn-dyed fabric is prepared by the dyeing and finishing method of the all-cotton white oxford non-ironing finish yarn-dyed fabric according to any one of claims 1 to 5.

Technical Field

The invention belongs to the technical field of textile printing and dyeing, and particularly relates to a dyeing and finishing method of an all-cotton white oxford non-ironing finish yarn-dyed fabric and a fabric obtained by the dyeing and finishing method.

Background

The all-cotton white shirt is well liked by business people, but due to the characteristic of cotton fabric, cotton fiber is poor in elasticity and easy to wrinkle, the shape retention of the manufactured clothes is poor, and the all-cotton white shirt cannot adapt to the fast-paced life style of people. The flatness of the washed fabric is difficult to reach 3.5 grade or above because the washed white all-cotton fabric has no covering property, and the cloth cover is easy to turn yellow and is not bright after the non-ironing finishing.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the defects that the existing all-cotton white fabric is not covered, the flatness after washing is difficult to reach 3.5 grade or above, and the cloth cover is easy to turn yellow and be not bright after non-ironing finishing, the invention aims to provide the dyeing and finishing processing method and the fabric of the all-cotton white oxford non-ironing finishing yarn-dyed fabric, wherein the flatness of the obtained all-cotton white fabric can reach 3.5 grade or above after being washed for 10 times through DP finishing by adjusting the steps before dyeing and after finishing; the yellowing generated in the crosslinking process of the fabric resin is improved, and the whiteness value of the finished fabric reaches over 160.

2. Technical scheme

In order to solve the problems, the invention adopts the following technical scheme:

a dyeing and finishing processing method of all-cotton white oxford non-ironing finish yarn-dyed fabric is characterized by comprising dyeing pretreatment and after-finishing;

the dyeing pretreatment step comprises the steps of dehydrating after the boiling and bleaching process is finished, keeping the water content at 150-;

the post-finishing step comprises: singeing → desizing → mercerizing → sizing → baking → bleaching → sizing and softening-whitening one bath → preshrinking;

in the mercerizing step, ionic membrane liquid alkali is adopted, the concentration of stock solution is 38-40 baume degrees, the concentration of caustic soda used by diluting with water in the production process is 150-180g/L, and 5-10g/L of urea is added into alkali liquor, so that the swelling effect of sodium hydroxide on cellulose fibers is improved, the binding force among macromolecules in more amorphous areas and crystalline areas is broken up, and the dimensional stability of the mercerized fabric is improved;

the shaping step adopts nanometer resin R519 with the dosage of 230-350g/L, catalyst R515M with the dosage of 40-60g/L, strong protective agent with the dosage of 50-80g/L, modified organic silicon softening agent with the dosage of 30-60g/L and penetrating agent with the dosage of 3-5 g/L; drying with hot air at 80-100 deg.C for 1-1.5min, arranging a first cooling roller at the cropping position, and controlling the cropping fabric temperature to be lower than 40 deg.C;

the temperature of the baking step is 135-; the shaping step and the baking step are the non-ironing finishing process of the fabric;

in the re-bleaching step, the concentration of hydrogen peroxide is 20-30g/L, the concentration of complex enzyme is 10-20g/L, the concentration of hydrogen peroxide stabilizer is 3-6g/L, the concentration of chelating dispersant is 3-8g/L, the concentration of caustic soda is 10-20g/L, the temperature is 70-90 ℃, and the time is 15-30 min;

the shaping, softening and whitening bath adopts 30-50g/L of modified organosilicon softening agent, the second whitening agent adopts Leucophor BLR liq whitening agent, the component is stilbene derivative, the dosage is 5-10g/L, the temperature is 90-110 ℃, and the time is 1-1.5 min.

Further, the first whitening agent is selected from whitening agents having excellent acid resistance.

Still further, the first brightener is a pyrazoline structure brightener.

Furthermore, the temperature of the first cooling roller is 15-20 ℃.

Furthermore, the temperature of the second cooling roller is 15-20 ℃.

An all-cotton white oxford non-ironing finish yarn-dyed fabric is characterized by being prepared by the dyeing and finishing processing method.

3. Advantageous effects

Compared with the prior art, the invention has the beneficial effects that: the pretreatment effect is improved by adjusting the dyeing pretreatment step, the capillary effect is more than 13cm/30min, and the whiteness of the yarn is ensured to be more than 80%; in the mercerizing step, a trace amount of urea is added to improve the dimensional stability of the mercerized fabric and the adsorption and reactivity of the mercerized fabric to subsequent dyeing and finishing auxiliaries; in the process of non-ironing finishing (shaping and baking), nanometer resin of American nanometer company is adopted, and under the condition that the strength of the fabric meets the requirement of clothes, the obtained all-cotton white fabric can reach the flatness of the fabric of more than 3.5 levels after being washed for 10 times by DP finishing; the yellowing generated in the crosslinking process of the fabric resin is improved through re-bleaching and whitening, and the whiteness value of the finished fabric can reach over 160.

Detailed Description

The present invention will be described in detail with reference to examples.