An oil-proof embroidery fabric

Abstract

This invention discloses an oil-resistant embroidered fabric in the field of fabric processing technology. This oil-resistant embroidered fabric is obtained by padding a base fabric with an oil-resistant finishing agent. By weight, the raw materials for preparing the oil-resistant finishing agent include: 4-5 parts of silicone-modified acrylate, 3-4 parts of aliphatic waterborne polyurethane, 2-3 parts of coumaric-veratrol complex fermentation extract, 2.5-3.5 parts of crosslinking agent, 0.5-2 parts of penetrant, 2-3 parts of sodium dihydrogen phosphate, and 30-45 parts of deionized water. This invention provides a method for padding a base fabric with an oil-resistant finishing agent containing coumaric-veratrol complex fermentation extract, achieving excellent oil-resistant, antistatic, and antioxidant properties.

Description

Technical Field

[0001] This invention relates to the field of fabric processing technology, specifically to an oil-resistant embroidered fabric. Background Technology

[0002] Embroidery fabrics refer to a type of fabric used for hand or machine embroidery to create exquisite patterns and textures on its surface. They are widely used in clothing, home furnishings, handicrafts, and ceremonial ornaments. The diverse applications of embroidered fabrics place high demands on their overall performance.

[0003] Ordinary embroidery fabrics have poor oil-repellent properties. However, during the embroidery process, the fabric easily comes into contact with oil stains. Once the oil penetrates the fibers, it leaves residues, damaging the integrity and aesthetics of the embroidery pattern and impairing the fabric's durability. Therefore, some high-quality embroidery fabrics utilize oil-repellent finishing agents to optimize their surface properties. However, existing processing methods are limited in their effectiveness. While they improve the oil-repellent properties, they fail to address the fabric's poor anti-static properties. Static electricity generated during processing makes the fabric highly susceptible to attracting dust and hair, and can even cause yarn tangling and stitch misalignment during embroidery, similarly compromising the fabric's appearance and durability. To address these issues, this invention proposes an oil-repellent embroidery fabric. Summary of the Invention

[0004] The purpose of this invention is to provide an oil-resistant embroidery fabric in order to solve the above-mentioned problems.

[0005] The present invention achieves the above objectives through the following technical solutions: This invention provides an oil-resistant embroidery fabric, which is obtained by impregnating and finishing a base fabric with an oil-resistant finishing agent. The raw materials for preparing the anti-oil stain finishing agent include silicone-modified acrylate, aliphatic waterborne polyurethane, coumar-veratrol complex fermentation extract, crosslinking agent, penetrant, sodium dihydrogen phosphate, and deionized water.

[0006] As a further optimization of the present invention, the base fabric is made of cotton fiber and polyester fiber blended in a mass ratio of 1:(2-5).

[0007] As a further optimization of the present invention, the raw materials for preparing the anti-oil stain finishing agent, by weight, include: 4-5 parts of organosilicon modified acrylate, 3-4 parts of aliphatic waterborne polyurethane, 2-3 parts of coumarin-veratrol complex fermentation extract, 2.5-3.5 parts of crosslinking agent, 0.5-2 parts of penetrant, 2-3 parts of sodium dihydrogen phosphate, and 30-45 parts of deionized water.

[0008] As a further optimization of the present invention, the preparation method of the guar bean-veratrol compound fermentation extract is as follows: guar bean seeds and veratrol rhizomes are dried and pulverized separately, the obtained guar bean powder and veratrol powder are mixed evenly to obtain compound plant powder, the compound plant powder is added to the liquid fermentation culture medium, and after high-pressure steam sterilization, a compound bacterial agent is inoculated. After fermentation is completed, the fermentation product is centrifuged, the fermentation liquid is collected, concentrated and spray-dried to obtain the guar bean-veratrol compound fermentation extract.

[0009] As a further optimization of the present invention, the mass ratio of coumarin powder to veratrum powder in the compound plant powder is 1:(0.5-2), and the amount of compound plant powder added to the liquid fermentation medium is 5-8g / 100mL.

[0010] As a further optimization of the present invention, the compound microbial agent is prepared by mixing activated Lactobacillus plantarum liquid, Saccharomyces cerevisiae liquid, and Aspergillus oryzae liquid in a volume ratio of 1:1:1.

[0011] As a further optimization of the present invention, the inoculum amount of the compound microbial agent is 5-10% (v / v).

[0012] As a further optimization of the present invention, the fermentation conditions are: 28-32℃ and 180-220rpm for 5-8 days.

[0013] As a further optimization of the present invention, the preparation method of the anti-oil stain finishing agent is as follows: Sodium dihydrogen phosphate is added to deionized water and stirred until completely dissolved. Then, organosilicon-modified acrylate and aliphatic waterborne polyurethane are added in sequence and stirred until uniformly dispersed. Then, coumar-veratrol complex fermented extract is added and stirred evenly again. Finally, crosslinking agent and penetrant are added, and after thorough mixing, the mixture is allowed to stand to defoam, thereby obtaining the anti-oil stain finishing agent.

[0014] As a further optimization of the present invention, the conditions for padding are as follows: three dips and three nips at 40-60℃, a padding rate of 60-80%, a total padding time of 10-20 minutes, and the base fabric after padding is pre-dried at 80-100℃ for 2-4 minutes, and then baked at 120-150℃ for 5-8 minutes.

[0015] The beneficial effects of this invention are as follows: This invention provides a fabric processing solution for padding a base fabric with an oil-resistant finishing agent containing a guar gum-veratrol complex fermentation extract. The guar gum-veratrol complex fermentation extract achieves improved oil-resistant, antistatic, and antioxidant properties of the fabric through the synergistic fermentation of guar gum, veratrol, and a complex microbial agent composed of Lactobacillus plantarum, Saccharomyces cerevisiae, and Aspergillus oryzae, resulting in good stain resistance and durability. Detailed Implementation

[0016] The present application will now be described in further detail. It should be noted that the following specific embodiments are only used to further illustrate the present application and should not be construed as limiting the scope of protection of the present application. Those skilled in the art can make some non-essential improvements and adjustments to the present application based on the above application content.

[0017] I. Experimental Materials (1) Activation of Lactobacillus plantarum: Lactobacillus plantarum strain was inoculated into MRS liquid medium and cultured at 30℃ and 200rpm for 20h with shaking. Activation of Saccharomyces cerevisiae: Saccharomyces cerevisiae was inoculated into YPD liquid medium and cultured at 30℃ and 200 rpm for 22 h with shaking. Activation of Aspergillus oryzae: Inoculate Aspergillus oryzae strain into PDA liquid medium and culture at 30℃ and 200 rpm for 30 h with shaking. The concentrations of the three bacterial suspensions were determined using the plate count method, and all were adjusted to 10⁻⁶. 8 CFU / mL.

[0018] (2) Liquid fermentation medium includes: 5g glucose, 4g yeast extract, 6g peptone, and the remainder is water per 100mL of medium; pH is adjusted to 6.

[0019] (3) The crosslinking agent is water-based aziridine crosslinking agent, and the penetrant is non-ionic penetrant JFC.

[0020] Unless otherwise specified, all methods used in this invention are conventional methods known to those skilled in the art, and all reagents and materials used are commercially available products.

[0021] II. Experimental Methods 1. Preparation of oil-resistant embroidery fabric Example 1

[0022] An oil-resistant embroidered fabric, prepared by the following method: (1) Mix the activated Lactobacillus plantarum liquid, Saccharomyces cerevisiae liquid and Aspergillus oryzae liquid in a volume ratio of 1:1:1 to obtain a compound microbial agent; (2) Dry and pulverize the seeds of koji and the rhizome of Veratrum nigrum, and mix the obtained koji powder and Veratrum nigrum powder at a mass ratio of 1:0.5 to obtain a compound plant powder. Add the compound plant powder to the liquid fermentation medium at an addition amount of 8g / 100mL. After mixing evenly, sterilize by high pressure steam (121℃, 0.1MPa, 20min, the same below). After inoculating with 5% (v / v) compound bacterial agent, ferment at 32℃ and 180rpm for 8 days. After fermentation, centrifuge the fermentation product (8000rpm, 4℃, 10min, the same below). After collecting the fermentation liquid, concentrate it to 30% of the original volume at 60℃ and 0.08MPa, and then spray dry (inlet air temperature 160℃, outlet air temperature 60℃, feed rate 10mL / min) to obtain the koji-Veratrum nigrum compound fermentation extract. (3) Take 4 parts of organosilicon modified acrylate, 3 parts of aliphatic waterborne polyurethane, 3 parts of coumar-veratrol complex fermentation extract, 2.5 parts of crosslinking agent, 0.5 parts of penetrant, 2 parts of sodium dihydrogen phosphate, and 45 parts of deionized water. At room temperature, sodium dihydrogen phosphate is added to deionized water and stirred until completely dissolved (500 rpm, the same below). Then, silicone-modified acrylate and aliphatic waterborne polyurethane are added in sequence and stirred until evenly dispersed. Then, coumar-veratrol complex fermented extract is added and stirred evenly again. Finally, crosslinking agent and penetrant are added, and after thorough mixing, the mixture is allowed to stand to defoam and obtain an anti-oil stain finishing agent. (4) Blend cotton fiber and polyester fiber at a mass ratio of 1:2 to obtain the base fabric; (5) At 40°C, the base fabric is subjected to three dips and three nips using an anti-oil stain finishing agent. The nips are 60% and the total dip time is 20 min. The base fabric after dip finishing is pre-dried at 100°C for 2 min and then baked at 120°C for 8 min to obtain the finished fabric. Example 2

[0023] An oil-resistant embroidered fabric, prepared by the following method: (1) Dry and pulverize the seeds of koji and the rhizome of Veratrum nigrum, and mix the obtained koji powder and Veratrum nigrum powder at a mass ratio of 1:2 to obtain a compound plant powder. Add the compound plant powder to the liquid fermentation medium at an addition amount of 5g / 100mL. After mixing evenly, sterilize by high pressure steam. Inoculate with 10% (v / v) of compound bacterial agent (same as in Example 1) and ferment at 28℃ and 220rpm for 5 days. After fermentation, centrifuge the fermentation product, collect the fermentation liquid, concentrate it to 30% of the original volume at 60℃ and 0.08MPa, and then spray dry (inlet air temperature 180℃, outlet air temperature 70℃, feed rate 15mL / min) to obtain the koji-Veratrum nigrum compound fermentation extract. (2) Take 5 parts of organosilicon modified acrylate, 4 parts of aliphatic waterborne polyurethane, 2 parts of coumar-veratrol complex fermentation extract, 3.5 parts of crosslinking agent, 2 parts of penetrant, 3 parts of sodium dihydrogen phosphate, and 30 parts of deionized water. At room temperature, sodium dihydrogen phosphate is added to deionized water and stirred until completely dissolved. Then, silicone-modified acrylate and aliphatic waterborne polyurethane are added in sequence and stirred until evenly dispersed. Then, coumar-veratrol complex fermented extract is added and stirred evenly again. Finally, crosslinking agent and penetrant are added, and after thorough mixing, the mixture is allowed to stand to defoam, thus obtaining an anti-oil stain finishing agent. (3) Blend cotton fiber and polyester fiber at a mass ratio of 1:5 to obtain the base fabric; (4) At 60°C, the base fabric is subjected to three dips and three nips using an anti-oil stain finishing agent, with a nips rate of 80% and a total dip and nips time of 10 min. The base fabric after dip and nips is pre-dried at 80°C for 4 min and then baked at 150°C for 5 min to obtain the finished fabric. Example 3

[0024] An oil-resistant embroidered fabric, prepared by the following method: (1) Dry and pulverize the seeds of koji and the rhizome of Veratrum nigrum, and mix the obtained koji powder and Veratrum nigrum powder at a mass ratio of 1:1 to obtain a compound plant powder. Add the compound plant powder to the liquid fermentation medium at an addition amount of 7g / 100mL. After mixing evenly, sterilize by high pressure steam. Inoculate with 8% (v / v) compound bacterial agent (same as in Example 1) and ferment at 30℃ and 200rpm for 7 days. After fermentation, centrifuge the fermentation product, collect the fermentation liquid, concentrate it to 30% of the original volume at 60℃ and 0.08MPa, and then spray dry (inlet air temperature 170℃, outlet air temperature 65℃, feed rate 12mL / min) to obtain the koji-Veratrum nigrum compound fermentation extract. (2) Take 4.5 parts of organosilicon modified acrylate, 3.5 parts of aliphatic waterborne polyurethane, 2.5 parts of coumar-veratrol complex fermentation extract, 3 parts of crosslinking agent, 1 part of penetrant, 2.5 parts of sodium dihydrogen phosphate, and 40 parts of deionized water. At room temperature, sodium dihydrogen phosphate is added to deionized water and stirred until completely dissolved. Then, silicone-modified acrylate and aliphatic waterborne polyurethane are added in sequence and stirred until evenly dispersed. Then, coumar-veratrol complex fermented extract is added and stirred evenly again. Finally, crosslinking agent and penetrant are added, and after thorough mixing, the mixture is allowed to stand to defoam, thus obtaining an anti-oil stain finishing agent. (3) Blend cotton fiber and polyester fiber at a mass ratio of 1:3 to obtain a base fabric; (4) At 50°C, the base fabric is subjected to three dips and three nips using an anti-oil stain finishing agent. The nips are 70% and the total dip time is 15 min. The base fabric after dip and nips is pre-dried at 90°C for 3 min and then baked at 130°C for 7 min to obtain the finished fabric.

[0025] Comparative Example 1 An oil-resistant embroidered fabric, prepared by the following method: (1) Take 4.5 parts of organosilicon modified acrylate, 3.5 parts of aliphatic waterborne polyurethane, 3 parts of crosslinking agent, 1 part of penetrant, 2.5 parts of sodium dihydrogen phosphate, and 40 parts of deionized water; At room temperature, sodium dihydrogen phosphate is added to deionized water and stirred until completely dissolved. Then, silicone-modified acrylate and aliphatic waterborne polyurethane are added in sequence and stirred until uniformly dispersed. Finally, crosslinking agent and penetrant are added, and the mixture is stirred thoroughly and allowed to stand to defoam, thus obtaining an anti-oil stain finishing agent. (2) Blend cotton fiber and polyester fiber at a mass ratio of 1:3 to obtain a base fabric; (3) At 50°C, the base fabric is subjected to three dips and three nips using an anti-oil stain finishing agent. The nips are 70% and the total dip and nips time is 15 min. The base fabric after dip and nips is pre-dried at 90°C for 3 min and then baked at 130°C for 7 min to obtain the finished fabric.

[0026] Comparative Example 2 Compared with Example 3, the difference in Comparative Example 2 is that, in Comparative Example 2, when preparing the anti-oil stain finishing agent, a single guar fermented extract was used to replace the guar-veramila complex fermented extract, and the amount remained the same. The preparation method of the guar fermented extract was the same as that of the guar-veramila complex fermented extract, except that the complex plant powder was replaced with an equal amount of guar powder.

[0027] Comparative Example 3 Compared with Example 3, the difference of Comparative Example 3 is that in Comparative Example 3, when preparing the anti-oil stain finishing agent, a single veratrum fermentation extract was used to replace the koji-veratrum complex fermentation extract, and the amount remained the same. The preparation method of the veratrum fermentation extract was the same as that of the koji-veratrum complex fermentation extract, except that the complex plant powder was replaced with an equal amount of veratrum powder.

[0028] Comparative Example 4 Compared with Example 3, the difference of Comparative Example 4 is that the compound microbial agent used in Comparative Example 4 is a mixture of Lactobacillus plantarum liquid and Saccharomyces cerevisiae liquid in a volume ratio of 1:1, and the amount used is the same as in Example 3.

[0029] 2. Performance testing of oil-resistant embroidered fabrics Samples of equal size were cut from the finished fabrics obtained in Examples 1-3 and Comparative Examples 1-4. A base fabric (same as in Example 3) that had not been treated with any oil-repellent finishing agent was used as a blank control for performance testing. The testing items and methods are as follows: (1) Oil repellency test: According to GB / T 19977-2014 "Oil repellency and hydrocarbon resistance test of textiles", under standard temperature and humidity conditions, 0.05 mL of standard hydrocarbon oil No. 3 was added drop by drop to the sample surface after humidity equilibration. After standing for 30 seconds, the oil contact angle was measured. The same sample was tested in parallel 5 times, and the arithmetic mean was taken as the final test result.

[0030] (2) Antistatic performance test: Under 30% humidity conditions, the antistatic performance of each fabric sample was tested according to GB / T 12703.1-2021 "Textiles - Test methods for electrostatic properties - Part 1: Corona charging method". The electrostatic voltage half-life was used as the test index (Level 1: half-life ≤ 6s, Level 2: 6s < half-life ≤ 15s, Level 3: 15s < half-life ≤ 30s, Level 4: 30s < half-life ≤ 60s, Level 5: > 60s).

[0031] (3) Antioxidant activity detection: Weigh 0.5g of fabric sample, add 20mL of 50% ethanol solution, and extract by shaking in a water bath at 60℃ for 1h. After filtration, obtain the sample extract. Take 2mL of the extract, add 2mL of 0.1mmol / L DPPH ethanol solution, mix well, and react in the dark for 30min. Measure the absorbance at 517nm and record it as A1. Take 2mL of the extract, add 2mL of anhydrous ethanol, react under the same conditions, and measure the absorbance, record it as A2. Take 2mL of anhydrous ethanol, add 2mL of 0.1mmol / L DPPH ethanol solution, react under the same conditions, and measure the absorbance, record it as A0. Use the fabric prepared with blank culture medium as a control. The antioxidant activity of the sample is characterized by the DPPH free radical scavenging rate. The calculation formula is as follows: ; In the formula: A1 is the absorbance of the sample group; A2 is the background absorbance of the sample; A0 is the absorbance of the blank control group.

[0032] The test results are shown in Table 1. From the table, we can see that: (1) In Examples 1-3, all data of the sample fabrics were significantly better than those of the blank control. This result indicates that padding the fabric with an oil-repellent finishing agent can effectively improve the oil repellency, antistatic properties and antioxidant activity of the fabric, thereby improving the stain resistance and durability of the fabric. (2) Compared with Example 3, the data of the fabrics in Comparative Examples 1-3 were relatively poor. Among them, the difference in antistatic performance of the fabrics was particularly significant. This result indicates that the tannin-veratrol compound fermented extract is the core component of the anti-oil stain finishing agent that improves the antistatic performance of the fabric, and the functionality of the tannin-veratrol compound fermented extract is related to the synergistic fermentation between tannin and veratrol. (3) Compared with Example 3, in Comparative Example 4, although the oil repellency of the fabric was still at a high level, the antioxidant activity was significantly worse. This result indicates that the three-strain compound fermentation is a necessary condition for preparing a high-efficiency compound extract. The coumarin-veratrol compound fermentation extract obtained by the synergistic effect of Lactobacillus plantarum, Saccharomyces cerevisiae and Aspergillus oryzae can be applied to an oil-resistant finishing agent and then used to treat the fabric to achieve the effect of improving both the oil repellency and antioxidant properties of the fabric.

[0033] Table 1: Performance test results of sample fabrics The embodiments described above are merely examples of several implementations of the present invention, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these modifications and improvements all fall within the scope of protection of the present invention.

Claims

1. An oil-resistant embroidered fabric, characterized in that: The oil-resistant embroidered fabric is obtained by impregnating and finishing the base fabric with an oil-resistant finishing agent. The raw materials for preparing the anti-oil stain finishing agent include organosilicon-modified acrylate, aliphatic waterborne polyurethane, coumar-veratrol complex fermentation extract, crosslinking agent, penetrant, sodium dihydrogen phosphate, and deionized water.

2. The oil-resistant embroidered fabric according to claim 1, characterized in that: The base fabric is made of cotton fiber and polyester fiber blended in a mass ratio of 1:(2-5).

3. The oil-resistant embroidered fabric according to claim 2, characterized in that: The raw materials for preparing the anti-oil stain finishing agent, by weight, include: 4-5 parts of organosilicon modified acrylate, 3-4 parts of aliphatic waterborne polyurethane, 2-3 parts of coumarin-veratrol complex fermentation extract, 2.5-3.5 parts of crosslinking agent, 0.5-2 parts of penetrant, 2-3 parts of sodium dihydrogen phosphate, and 30-45 parts of deionized water.

4. The oil-resistant embroidered fabric according to claim 1, characterized in that: The preparation method of the guar bean-veratrol compound fermented extract is as follows: Guar bean seeds and veratrol rhizomes are dried and pulverized separately. The obtained guar bean powder and veratrol powder are mixed evenly to obtain compound plant powder. The compound plant powder is added to the liquid fermentation culture medium. After high pressure steam sterilization, compound bacterial agent is inoculated. After fermentation is completed, the fermentation product is centrifuged. The fermentation liquid is collected, concentrated and spray-dried to obtain the guar bean-veratrol compound fermented extract.

5. The oil-resistant embroidered fabric according to claim 4, characterized in that: In the compound plant powder, the mass ratio of glutinous rice powder to veratrum powder is 1:(0.5-2), and the amount of compound plant powder added to the liquid fermentation medium is 5-8g / 100mL.

6. The oil-resistant embroidered fabric according to claim 5, characterized in that: The compound microbial agent is prepared by mixing activated Lactobacillus plantarum liquid, Saccharomyces cerevisiae liquid, and Aspergillus oryzae liquid in a volume ratio of 1:1:

1.

7. The oil-resistant embroidered fabric according to claim 4, characterized in that: The inoculation amount of the compound microbial agent is 5-10% (v / v).

8. The oil-resistant embroidered fabric according to claim 4, characterized in that: The fermentation conditions are: 28-32℃ and 180-220rpm for 5-8 days.

9. The oil-resistant embroidered fabric according to claim 5, characterized in that: The preparation method of the oil-resistant finishing agent is as follows: Sodium dihydrogen phosphate is added to deionized water and stirred until completely dissolved. Then, organosilicon-modified acrylate and aliphatic waterborne polyurethane are added in sequence and stirred until uniformly dispersed. Then, coumar-veratrol complex fermented extract is added and stirred evenly again. Finally, crosslinking agent and penetrant are added, and after thorough mixing, the mixture is allowed to stand to defoam, thus obtaining the oil-resistant finishing agent.

10. The oil-resistant embroidered fabric according to claim 1, characterized in that: The conditions for padding and finishing are as follows: three dips and three nips at 40-60℃, with a padding rate of 60-80% and a total padding time of 10-20 min. The base fabric after padding and finishing is pre-dried at 80-100℃ for 2-4 min and then baked at 120-150℃ for 5-8 min.

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