阅读说明：本技术 一种牛仔产品抗氧化工艺 (Jean product antioxidation process ) 是由 黄玺嘉 梁仲华 于 2021-08-31 设计创作，主要内容包括：本发明是一种牛仔产品抗氧化工艺,牛仔产品抗氧化工艺包括以下步骤：缝制步骤,采用蓝色染料染色的牛仔面料缝制成牛仔产品；洗水步骤,对缝制步骤得到的牛仔产品进行洗水处理,包括：退浆、过清水、酵洗、过清水、漂洗、解漂灭活、防返沾污、固色抗氧化、过清水、抗氧化处理、抗臭氧处理、水洗、过清水、烘干和抗臭氧处理步骤。本申请通过改进牛仔产品的生产工艺,来增加蓝色燃料染色的牛仔产品的抗氧化性能。(The invention relates to an antioxidation process for jean products, which comprises the following steps: a sewing step, namely sewing the jean fabric dyed by blue dye into a jean product; a water washing step, namely performing water washing treatment on the jean product obtained in the sewing step, and the water washing step comprises the following steps: desizing, rinsing, fermenting and washing, rinsing, bleaching and inactivating, stain return prevention, color fixation and oxidation resistance, rinsing, oxidation resistance treatment, ozone resistance treatment, washing, rinsing, drying and ozone resistance treatment. The application improves the production process of the jean product to increase the oxidation resistance of the jean product dyed by the blue fuel.)

1. An antioxidation process for jean products, which is characterized by comprising the following steps:

a sewing step, namely sewing the jean fabric dyed by blue dye into a jean product;

a water washing step, namely performing water washing treatment on the jean product obtained in the sewing step, and the water washing step comprises the following steps:

s1, the bath ratio of the jean product to water is 1: 15 to 1: 20, heating the water to 40-50 ℃, adding 0.5-1% (o.w.f) of desizing enzyme, adding 0.5-1% (o.w.f) of anti-dye kansui oil, adding 2-5% (o.w.f) of 10% of slurry obtained after the soft sheet is diluted, and desizing for 15-20 minutes;

s2, passing through clear water once for 10 to 15 minutes;

s3, the bath ratio of the jean product to water is 1: 10 to 1: 15, adding a stain inhibitor 0.5-1.0 g/L, enzyme powder 0.2-1.0% (o.w.f), enzyme water 0.1-0.5% (o.w.f), an elastic protective solution 0.1-0.3% (o.w.f) at the water temperature of 35-40 ℃ and soaking for 10-30 minutes;

s4, passing through clear water twice, wherein each time is 10-15 minutes;

s5, heating the water to 45-50 ℃, adding 1-3% (o.w.f) of bleaching water, and soaking for 5-20 minutes;

s6, adding hydrogen peroxide to dissolve and bleach, soaking for 5 to 10 minutes, and adjusting the pH value to 6.5 to 7.5;

s7, heating water to 40-50 ℃, adding 0.5-1.0% (o.w.f) of hydrogen peroxide, 0.5-1.0% (o.w.f) of washing powder and soda ash, and soaking for 10-15 minutes;

s8, adding a dye-proofing agent at the water temperature of 35-40 ℃ at normal temperature, 0.5-1.0% (o.w.f) of a color fixing oil and 1-5% (o.w.f) of an antioxidant, and soaking for 10-15 minutes;

s9, passing through clear water twice, wherein each time is 10-15 minutes;

s10, adding 1-5% (o.w.f) of antioxidant, and soaking for 5-10 min;

s11, adding 2-5% (o.w.f) of anti-ozone yellowing liquid, soaking for 20-30 min

S12, adding acetic acid, adjusting the pH value to 6-7, adding 0.1-0.5% (o.w.f) silicone oil, and soaking in water for 10-15 minutes;

s13, passing through clear water once for 10 to 15 minutes;

s14, drying the jean product, spraying diluted ozone yellowing resistant liquid with the concentration of 10-60 g/L in the drying process, drying the jean product in a drying oven at the temperature of 60-70 ℃, and drying the jean product until the moisture content is 5-10%.

2. The jean product oxidation resistance process according to claim 1, wherein the jean product oxidation resistance process further comprises the steps of:

and a step of storing after washing, namely covering and storing the jean product obtained in the step of washing by using black cloth.

3. The jean product oxidation resistance process according to claim 1 or 2, wherein the jean product oxidation resistance process further comprises the steps of:

and a tail finishing step, namely performing tail finishing on the jean product obtained in the water washing step, and the tail finishing step comprises the following steps:

ironing in the early stage, namely ironing the jean products by using an ironing table, wherein the ironing table selects normal air draft intensity and normal air draft time;

drying in the shade in a ventilation place, and hanging the jean product in the ventilation place for drying in the shade;

quality inspection, namely performing quality inspection on the jean product;

ironing at the later stage, namely ironing the jean products by using the ironing table again, increasing the air draft force and the air draft time by 20 to 30 percent compared with the normal air draft force, and increasing the air draft time by 2 to 5 seconds compared with the normal air draft time;

dehumidifying and drying, and transferring the jean product into an air conditioning room or a dehumidifying room for storage for 1 to 2 hours.

4. The jean product oxidation resistance process according to claim 3, wherein the jean product oxidation resistance process further comprises the steps of:

and (5) packaging a finished product, namely filling the jean product into an opaque PE bag with a keel.

5. The jean product antioxidant process of claim 1, wherein the ferment water comprises cellulase, nutrient solution, preservative and penetrant.

6. The jean product antioxidant process of claim 1, wherein the ferment powder comprises cellulase, a pH buffering component, and a dye prevention component.

7. The jean product oxidation resistance process according to claim 1, wherein the dye-proofing agent is basf disperse dye-proofing agent AT-80.

8. The jean product antioxidant process of claim 1, wherein the antioxidant is a cationic hydrophilic softener.

Technical Field

The invention relates to the field of garment materials, in particular to an oxidation resistance process for jean products.

Background

The jean is a special garment, and the jean is woven by dyeing yarn and weaving, and the color is mainly indigo, blue, black and black. The dye adopted by the denim fabric is vegetable dye, has the characteristics of poor dyeing property and easy fading, common denim fabric dyeing such as indigo dye has the characteristics of no oxidation resistance and yellowing, and the indigo can be decomposed into isatin (indole-full-dione), tannic acid and a combination of the isatin and the tannic acid under the action of ozone, so that the fabric is yellowed. The common method in the market is that after the common jean fabric is made into a product, the product is directly washed, and then is stacked after being inspected, and is put into a transparent adhesive bag, so that the jean product is easy to be oxidized and discolored.

Disclosure of Invention

The invention aims to solve the technical problems and provides an antioxidation process for jean products, which improves the production process of the jean products to improve the antioxidation performance of the jean products dyed by blue fuel.

In order to achieve the purpose, the technical scheme of the invention is as follows:

an antioxidation process for jean products, which comprises the following steps:

a sewing step, namely sewing the jean fabric dyed by blue dye into a jean product;

a water washing step, namely performing water washing treatment on the jean product obtained in the sewing step, and the water washing step comprises the following steps:

s1, the bath ratio of the jean product to water is 1: 15 to 1: 20, heating the water to 40-50 ℃, adding 0.5-1% (o.w.f) of desizing enzyme, adding 0.5-1% (o.w.f) of anti-dye kansui oil, adding 2-5% (o.w.f) of 10% of slurry obtained after the soft sheet is diluted, and desizing for 15-20 minutes;

s2, passing through clear water once for 10 to 15 minutes;

s3, the bath ratio of the jean product to water is 1: 10 to 1: 15, adding a stain inhibitor 0.5-1.0 g/L, enzyme powder 0.2-1.0% (o.w.f), enzyme water 0.1-0.5% (o.w.f), an elastic protective solution 0.1-0.3% (o.w.f) at the water temperature of 35-40 ℃ and soaking for 10-30 minutes;

s4, passing through clear water twice, wherein each time is 10-15 minutes;

s5, heating the water to 45-50 ℃, adding 1-3% (o.w.f) of bleaching water, and soaking for 5-20 minutes;

s6, adding hydrogen peroxide to dissolve and bleach, soaking for 5 to 10 minutes, and adjusting the pH value to 6.5 to 7.5;

s7, heating water to 40-50 ℃, adding 0.5-1.0% (o.w.f) of hydrogen peroxide, 0.5-1.0% (o.w.f) of washing powder and soda ash, and soaking for 10-15 minutes;

s8, adding a dye-proofing agent at the water temperature of 35-40 ℃ at normal temperature, 0.5-1.0% (o.w.f) of a color fixing oil and 1-5% (o.w.f) of an antioxidant, and soaking for 10-15 minutes;

s9, passing through clear water twice, wherein each time is 10-15 minutes;

s10, adding 1-5% (o.w.f) of antioxidant, and soaking for 5-10 min;

s11, adding 2-5% (o.w.f) of anti-ozone yellowing liquid, soaking for 20-30 min

S12, adding acetic acid, adjusting the pH value to 6-7, adding 0.1-0.5% (o.w.f) silicone oil, and soaking in water for 10-15 minutes;

s13, passing through clear water once for 10 to 15 minutes;

s14, drying the jean product, spraying diluted ozone yellowing resistant liquid in the drying process, wherein the density is 10-60 g/L, the drying temperature in a drying box is 60-70 ℃, and drying the jean product until the moisture content is 5-10%.

According to the oxidation resistance process of the jean product, in the step of washing water, two times of antioxidant processes and two times of ozone yellowing resistance processes are arranged, so that the oxidation resistance and the ozone yellowing resistance of the jean product are improved, wherein in the ozone yellowing resistance process, the step S11 is that ozone yellowing resistance liquid is added into water for soaking treatment, the step S14 is that water is sprayed with the ozone yellowing resistance liquid for drying, the oxidation resistance effect of the jean product is enhanced through the treatment of the two times of ozone yellowing resistance processes, the jean product prepared by the processes is tested by adopting a test method of GB/T11039.3-2005, and the ozone concentration is 4.5 ppm; the test temperature is 25 ℃; relative humidity of 65%; the test time is 4.5 h; the test period is that the test is carried out under the test condition of one period, and the ozone-resistant color fastness of the jean product is 3, and the antioxidation effect is excellent; in addition, in order to match with an anti-oxidation process and an anti-ozone yellowing process, the desizing process and at least 6 times of water passing are adopted, the desizing can also improve the hand feeling of the jean fabric and reduce the streak marks, the water passing for 6 times can ensure that the jean fabric can be cleaned as far as possible at each time, and residues of the previous process are prevented from remaining on yarns of jean products, so that the influence on the subsequent process can be avoided.

Further, the antioxidant process of the jean product also comprises the following steps:

and a step of storing after washing, namely covering and storing the jean product obtained in the step of washing by using black cloth. The step is to prevent the jean product from being oxidized due to long-time sunlight and air contact when the jean product is temporarily stored in the production process of the jean product, and then the jean product is covered by black cloth.

Still further, the antioxidant process of the jean product further comprises the following steps:

and a tail finishing step, namely performing tail finishing on the jean product obtained in the water washing step, and the tail finishing step comprises the following steps:

ironing in the early stage, namely ironing the jean products by using an ironing table, wherein the ironing table selects normal air draft intensity and normal air draft time;

drying in the shade in a ventilation place, and hanging the jean product in the ventilation place for drying in the shade;

quality inspection, namely performing quality inspection on the jean product;

ironing at the later stage, namely ironing the jean products by using the ironing table again, increasing the air draft force and the air draft time by 20 to 30 percent compared with the normal air draft force, and increasing the air draft time by 2 to 5 seconds compared with the normal air draft time;

dehumidifying and drying, and transferring the jean product into an air conditioning room or a dehumidifying room for storage for 1 to 2 hours. The oxidation yellowing of the jean products is greatly influenced by the environment, the temperature, the humidity and the like, and the oxidation factors of the temperature and the humidity to the jean products in the tail finishing step are controlled by improving the tail finishing step, so that the jean products are prevented from being oxidized and discolored due to the tail processing step.

Still further, the antioxidant process of the jean product further comprises the following steps:

and (5) packaging a finished product, namely filling the jean product into an opaque PE bag with a keel. The finished jean product is put into the lightproof PE bag with the keel, so that the jean product can be prevented from being excessively contacted with air and sunlight before being sold from factory, and the jean product is further prevented from being oxidized and discolored.

Preferably, the enzyme water comprises cellulase, a nutrient solution, a preservative and an osmotic agent.

Preferably, the enzyme powder comprises cellulase, a pH value buffering component and a dye-proofing component.

Preferably, the dye-resist is a basf dispersion dye-resist AT-80.

Preferably, the antioxidant is a cationic hydrophilic softener.

Detailed Description

The oxidation resistance process of the jean product is described in combination.

An antioxidation process for jean products, which comprises the following steps:

sewing, namely sewing the jean fabric dyed by blue dye into a jean product, wherein the blue fuel is indigo fuel;

a water washing step, namely performing water washing treatment on the jean product obtained in the sewing step, and the water washing step comprises the following steps:

s1, the bath ratio of the jean product to water is 1: 15 to 1: 20, heating the water to 40-50 ℃, adding 0.5-1% (o.w.f) of desizing enzyme, adding 0.5-1% (o.w.f) of anti-dye kansui oil, adding 2-5% (o.w.f) of 10% of slurry obtained after the soft sheet is diluted, and desizing for 15-20 minutes;

s1 is a desizing process, and the desizing can improve the hand feeling of the jean fabric and reduce the streak. The conventional desizing on the market comprises the processes of caustic soda, desizing enzyme, alkaline oil, hot water and the like.

The effect on appearance properties using the enzyme + kansui oil and other desizing methods is shown in the following table:

item

Raw gray cloth

Ferment enzyme + alkaline oil

Hydrogen peroxide and caustic soda

Soft sheet

Mouse oil

Hot water

Hand feeling

Is very hard

Soft and comfortable

Is preferably used

In general

Is preferably used

Hard

Streak mark

Is free of

Light and slight

Light and slight

Is slightly heavy

Is obvious

Anti-pilling

Height of

Is higher than

In general

In general

Is poor

The desizing process adopting the ferment enzyme, alkaline oil and the soft sheet enables the denim fabric to be softer and more comfortable in hand feeling, free of streak feeling and high in pilling resistance. The desizing enzyme can quickly change starch slurry into dextrin by using an enzyme preparation alpha-amylase under a certain condition, and the liquefied soluble dextrin is washed and cleaned with water, so that the purpose of desizing is achieved. The soft sheet can be used for finishing cotton and chemical fiber fabrics to obtain excellent softness and smoothness, and the resist alkaline oil can be used for removing various dirt, oil substances, flooding and the like contained in the fabrics.

S2, passing through clear water once for 10 to 15 minutes;

s3, the bath ratio of the jean product to water is 1: 10 to 1: 15, adding a stain inhibitor 0.5-1.0 g/L, enzyme powder 0.2-1.0% (o.w.f), enzyme water 0.1-0.5% (o.w.f), an elastic protective solution 0.1-0.3% (o.w.f) at the water temperature of 35-40 ℃ and soaking for 10-30 minutes; the enzyme powder comprises cellulase, a pH value buffer component and a dye-proofing component, and the enzyme water comprises the cellulase, a nutrient solution, a preservative and a penetrant.

S4, passing through clear water twice, wherein each time is 10-15 minutes;

s5, heating the water to 45-50 ℃, adding 1-3% (o.w.f) of bleaching water, and soaking for 5-20 minutes; the bleaching water is sodium hypochlorite solution.

S6, adding hydrogen peroxide to dissolve and bleach, soaking for 5 to 10 minutes, and adjusting the pH value to 6.5 to 7.5;

s7, heating water to 40-50 ℃, adding 0.5-1.0% (o.w.f) of hydrogen peroxide, 0.5-1.0% (o.w.f) of washing powder and soda ash, and soaking for 10-15 minutes;

s8, adding a dye-proofing agent at the water temperature of 35-40 ℃ at normal temperature, 0.5-1.0% (o.w.f) of a color fixing oil and 1-5% (o.w.f) of an antioxidant, and soaking for 10-15 minutes; the dye-proofing agent is a basf disperse dye-proofing agent AT-80, and the dye-proofing agent can improve the washing and desizing effects in the washing process of jean products and prevent free dye washed off from being stained on light-colored parts such as bag openings or trademarks; the antioxidant is a cationic hydrophilic softening agent, and is based on a vegetable oil raw material, so that the jean product has ozone resistance and yellowing resistance.

S9, passing through clear water twice, wherein each time is 10-15 minutes;

s10, adding 1-5% (o.w.f) of antioxidant, and soaking for 5-10 min; the antioxidant is a cationic hydrophilic softening agent, and is based on a vegetable oil raw material, so that the jean product has ozone resistance and yellowing resistance.

S11, adding 2-5% (o.w.f) of anti-ozone yellowing liquid, soaking for 20-30 min

S12, adding acetic acid, adjusting the pH value to 6-7, adding 0.1-0.5% (o.w.f) silicone oil, and soaking in water for 10-15 minutes;

s13, passing through clear water once for 10 to 15 minutes;

s14, drying the jean product, spraying diluted ozone yellowing resistant liquid in the drying process, wherein the density is 10-60 g/L, the drying temperature in a drying box is 60-70 ℃, and drying the jean product until the moisture content is 5-10%.

According to the oxidation resistance process of the jean product, in the step of washing water, two times of antioxidant processes and two times of ozone yellowing resistance processes are arranged, so that the oxidation resistance and the ozone yellowing resistance of the jean product are improved, wherein in the ozone yellowing resistance process, the step S11 is that ozone yellowing resistance liquid is added into water for soaking treatment, the step S14 is that water is sprayed with the ozone yellowing resistance liquid for drying, the oxidation resistance effect of the jean product is enhanced through the treatment of the two times of ozone yellowing resistance processes, the jean product prepared by the processes is tested by adopting a test method of GB/T11039.3-2005, and the ozone concentration is 4.5 ppm; the test temperature is 25 ℃; relative humidity of 65%; the test time is 4.5 h; the test period is that the test is carried out under the test condition of one period, and the ozone-resistant color fastness of the jean product is 3, and the antioxidation effect is excellent; in addition, in order to match with an anti-oxidation process and an anti-ozone yellowing process, the desizing process and at least 6 times of water passing are adopted, the desizing can also improve the hand feeling of the jean fabric and reduce the streak marks, the water passing for 6 times can ensure that the jean fabric can be cleaned as far as possible at each time, and residues of the previous process are prevented from remaining on yarns of jean products, so that the influence on the subsequent process can be avoided.

The effect of the frequency of over-cleaning on the hand feeling and appearance of the jean product is shown in the following table:

the process of the present application therefore passes clean water at least 6 times during the wash step.

The anti-oxidation process of the jean product further comprises the following steps:

and a step of storing after washing, namely covering and storing the jean product obtained in the step of washing by using black cloth. The step is to prevent the jean product from being oxidized due to long-time sunlight and air contact when the jean product is temporarily stored in the production process of the jean product, and then the jean product is covered by black cloth.

Still further, the antioxidant process of the jean product further comprises the following steps:

and a tail finishing step, namely performing tail finishing on the jean product obtained in the water washing step, and the tail finishing step comprises the following steps:

ironing in the early stage, namely ironing the jean products by using an ironing table, wherein the ironing table selects normal air draft intensity and normal air draft time;

drying in shade at a ventilation position, namely hanging the jean product at the ventilation position for drying in shade, and avoiding selecting a space with higher humidity or a water air conditioner and also avoiding a space with over-standard formaldehyde when selecting the ventilation position for hanging the jean product, thereby avoiding the oxidation influence of the environment on the jean product;

quality inspection, which is to inspect the quality of the jean product, generally to inspect the quality of the jean product and measure the size of the product;

ironing at the later stage, namely ironing the jean products by using the ironing table again, increasing the air draft force and the air draft time by 20 to 30 percent compared with the normal air draft force, and increasing the air draft time by 2 to 5 seconds compared with the normal air draft time;

dehumidifying and drying, and transferring the jean product into an air conditioning room or a dehumidifying room for storage for 1 to 2 hours. The oxidation yellowing of the jean products is greatly influenced by the environment, the temperature, the humidity and the like, and the oxidation factors of the temperature and the humidity to the jean products in the tail finishing step are controlled by improving the tail finishing step, so that the jean products are prevented from being oxidized and discolored due to the tail processing step.

The anti-oxidation process of the jean product further comprises the following steps:

and (5) packaging a finished product, namely filling the jean product into an opaque PE bag with a keel. Preferably, a black PE bag is adopted, the keel seal is adopted, and the finished jean product is filled into the lightproof PE bag with the keel, so that the jean product can be prevented from being excessively contacted with air and sunlight before being sold from factory, and further the jean product is prevented from being oxidized and discolored.

By adopting the process, the defect rate of oxidation residue yellowing can be reduced by 60-70% on the basis of the original production process.

The physical and chemical detection is carried out on the jean product produced by the process, and the data are as follows:

testing the color fastness to light by taking FZ/T81006-2017 as a detection standard and FZ/T81006-2017 as a judgment basis;

testing the pH value by taking FZ/T81006-2017 as a detection standard and GB 18401-2010(B type) as a judgment basis;

the FZ/T81006-2017 is taken as a detection standard, GB 18401-2010(B type) is taken as a judgment basis, the content of formaldehyde [ the part containing the embroidery part ] is tested, and the national standard is less than 20(mg/kg) and is not detected.

The oxidation resistance process of the jean product only improves the production process of the jean product, and the adopted chemical raw materials are all commercially available chemical raw materials.

Variations and modifications to the above-described embodiments may occur to those skilled in the art, which fall within the scope and spirit of the above description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.