CN107268265A - A kind of method for sorting of high-efficient and lasting multifunctional textile product - Google Patents

Abstract

The invention discloses a finishing method of high-efficiency and durable multi-functional textiles. The finishing method comprises the following steps: step 10): surface cationic modified fabric; step 20): soaking step 10) surface cationic modified fabric; step 30) : fabric soaked in step 20) of surface anion modification; step 40): soaking fabric of step 30) soaked in surface anion; step 50): soaking fabric soaked in step 40). The finishing method has the advantages of simple method, green environmental protection and low cost, and at the same time, the finished textile has efficient and durable anti-ultraviolet properties, antistatic properties, antibacterial properties and self-cleaning properties.

Description

A finishing method for efficient and durable multifunctional textiles

technical field

The invention belongs to the technical field of textile materials, and in particular relates to a finishing method for high-efficiency and durable multifunctional textiles.

Background technique

At present, with the development of science and technology and the improvement of the quality of life, people have higher and higher requirements for the function of textiles, and the single-function finishing of textiles has become more and more common, such as antistatic, anti-ultraviolet, waterproof, flame retardant, etc. , and its corresponding processing technology has become more and more mature. However, with the rapid changes in the development of the textile market, textiles with a single function are far from meeting the needs of the market, especially in some special fields such as aerospace, military industry, transportation, and tourism. Therefore, the development of multifunctional textiles has become more and more popular. s concern. In recent years, multifunctional textiles have become a research hotspot and development direction in the field of textiles. The development of functional textiles integrating UV protection, antistatic, antibacterial and self-cleaning functions has broad market prospects and practical value.

Contents of the invention

The purpose of the present invention is to provide an efficient and durable finishing method for multifunctional textiles, which is simple, environmentally friendly, and low in cost, and meanwhile the finished textiles have high-efficiency and durable anti-ultraviolet properties, antistatic properties, antibacterial properties and self-cleaning properties .

In order to achieve the above purpose, the embodiment of the present invention adopts the following technical solutions:

A finishing method for high-efficiency and durable multifunctional textiles, the finishing method comprising the following steps:

Step 10): surface cationic modified fabric;

Step 20): soaking the surface cation-modified fabric of step 10);

Step 30): surface anion modification step 20) soaked fabric;

Step 40): soaking the surface anion-modified fabric of step 30);

Step 50): soaking the fabric soaked in step 40).

As a preferred example, the process of step 10) is as follows: the fabric is placed in the vacuum chamber of the cold plasma instrument, after the low-temperature plasma performs surface pretreatment on the fabric, the ammonia monomer steam evaporated at low pressure is passed into the vacuum chamber, Plasma on the surface of the fabric triggers the ammonia water vapor phase grafting reaction, and the surface cation-modified fabric is obtained.

As a preferred example, in the plasma-induced ammonia water vapor phase grafting reaction, the ammonia monomer vapor flow rate is 1-10 L/min, the vacuum degree of the vacuum chamber is kept below 200 Pa, and the grafting reaction time is 50-100 min.

As a preferred example, the process of step 20) is: ultrasonically treat the graphene oxide solution with a mass concentration of 0.01 to 0.1 g/L for 1 to 2 hours, and then put the surface cation-modified fabric in step 10) into graphene oxide After shaking and soaking in the solution for 30-60 minutes at room temperature, take out the fabric and dry it.

As a preferred example, the process of step 30) is as follows: the fabric treated in step 20) is placed in the vacuum chamber of the cold plasma instrument, and after the low-temperature plasma is used for surface pretreatment of the fabric, the acrylic acid monomer vapor evaporated by low pressure is used to The acrylic acid gas-phase grafting reaction is triggered by plasma on the surface of the fabric to obtain the fabric modified by surface anion.

As a preferred example, in the gas-phase grafting reaction of acrylic acid induced by plasma, the vapor flow rate of the acrylic acid monomer is 1-10 L/min, the vacuum degree of the vacuum chamber is kept below 200 Pa, and the grafting reaction time is 50-100 min.

As a preferred example, the process of step 40) is: put the fabric prepared in step 30) into a silver nitrate solution with a mass concentration of 0.1-1 g/L, keep away from light at room temperature, oscillate, and soak for 30-60 minutes to obtain Treated fabric.

As a preferred example, the process of step 50) is as follows: put the fabric treated in step 40) into a phosphate solution, avoid light at room temperature, oscillate, soak for 30-60 minutes, take out the fabric and dry it.

As a preferred example, the phosphate solution is disodium hydrogen phosphate solution, dipotassium hydrogen phosphate solution, sodium dihydrogen phosphate solution, potassium dihydrogen phosphate solution, calcium hydrogen phosphate solution, sodium phosphate solution, potassium phosphate solution and calcium phosphate One of the solutions or any combination thereof, the ratio of the mass concentration of the phosphate solution to the mass concentration of the silver nitrate solution in step 40) is 0.3-1:1.

As a preferred example, the fabric is made of any one or any combination of cotton, hemp, silk, wool, polyester, nylon, polypropylene, acrylic, and spandex.

Compared with the prior art, the embodiment of the present invention has the following beneficial effects: the multifunctional finishing method of the fabric in the present invention is simple, environmentally friendly, and low in cost, and silver phosphate and graphene oxide are deposited in situ on the fabric to make the fabric self- Cleaning, antibacterial, antistatic, anti-ultraviolet and other functions have been qualitatively improved.

Description of drawings

Fig. 1 is a schematic diagram of an embodiment of the present invention.

detailed description

The technical solution of the present invention will be described in detail below.

An embodiment of the present invention provides a finishing method for efficient and durable multifunctional textiles, comprising the following steps:

Step 10): surface cationic modified fabric;

Step 20): soaking the surface cation-modified fabric of step 10);

Step 30): surface anion modification step 20) soaked fabric;

Step 40): soaking the surface anion-modified fabric of step 30);

Step 50): soaking the fabric soaked in step 40).

In the above embodiment, as a preference, the process of step 10) is: the fabric is placed in the vacuum chamber of the cold plasma instrument, after the low-temperature plasma is used for surface pretreatment of the fabric, the ammonia monomer steam evaporated at low pressure is passed through Into the vacuum chamber, the plasma on the surface of the fabric triggers the ammonia water vapor phase grafting reaction, and the surface cation-modified fabric is obtained. Preferably, the temperature range of the low-temperature plasma is 10-20°C. The evaporation pressure range of the ammonia monomer steam evaporated at low pressure is below 200Pa. In the plasma-induced ammonia gas phase grafting reaction, the ammonia monomer vapor flow rate is 0-10 L/min, the vacuum degree of the vacuum chamber is kept below 200 Pa, and the grafting reaction time is 50-100 min.

Step 10) Initiating ammonia gas vapor phase grafting on the surface of the fabric by plasma, so that the surface of the fabric is connected with positively charged amino groups.

Preferably, the process of step 20) is: ultrasonically treat the graphene oxide solution with a mass concentration of 0.01 to 0.1 g/L for 1 to 2 hours, and then put the surface cation-modified fabric of step 10) into the graphene oxide solution After shaking and soaking at room temperature for 30-60 minutes, take out the fabric and dry it. Room temperature varies with the seasons. For example, in spring and autumn, the room temperature is 20-26°C; in winter, the room temperature is -5-5°C; in summer, the room temperature is 32-38°C.

In step 20), the positively charged amino group on the surface of the fabric forms an ionic bond with the negatively charged carboxyl group on the graphene oxide, and the graphene oxide and the fabric are firmly combined.

Preferably, the process of step 30) is as follows: the fabric treated in step 20) is placed in the vacuum chamber of the cold plasma instrument, after the low-temperature plasma is used for surface pretreatment of the fabric, the acrylic acid monomer vaporized by low-pressure evaporation is passed through Into the vacuum chamber, the plasma on the surface of the fabric triggers the gas-phase grafting reaction of acrylic acid to obtain the surface anion-modified fabric. Preferably, the temperature range of the low-temperature plasma is 10-20°C. The evaporation pressure of the acrylic acid monomer vapor evaporated at low pressure is 200 Pa or less. In the gas-phase grafting reaction of acrylic acid induced by the plasma, the vapor flow rate of the acrylic acid monomer is 1-10 L/min, the vacuum degree of the vacuum chamber is kept below 200 Pa, and the grafting reaction time is 50-100 min.

In step 30), acrylic acid is grafted on the surface of the fabric in vapor phase by plasma, so that the surface of the fabric is connected with negatively charged carboxyl groups.

Preferably, the process of step 40) is as follows: the fabric prepared in step 30) is placed in a silver nitrate solution with a mass concentration of 0.1-1 g/L, protected from light at room temperature, shaken, soaked for 30-60 minutes, and then treated after the fabric.

In step 40), the negatively charged carboxyl groups on the surface of the fabric adsorb silver ions.

Preferably, the process of step 50) is as follows: put the fabric treated in step 40) into a phosphate solution, avoid light at room temperature, vibrate, soak for 30-60 minutes, take out the fabric and dry it.

In step 50), the phosphate solution is disodium hydrogen phosphate solution, dipotassium hydrogen phosphate solution, sodium dihydrogen phosphate solution, potassium dihydrogen phosphate solution, calcium hydrogen phosphate solution, sodium phosphate solution, potassium phosphate solution and calcium phosphate solution one or any combination. The ratio of the mass concentration of the phosphate solution to the mass concentration of the silver nitrate solution in step 40) is 0.3˜1:1.

In step 50), phosphate and silver ions are in-situ deposited on the surface of the fabric to form silver phosphate.

In this embodiment, the fabric is made of any one or any combination of cotton, hemp, silk, wool, polyester, nylon, polypropylene, acrylic, and spandex.

In the prior art, in the technology of preparing multifunctional textiles by using silver and graphene oxide, the silver/graphene oxide nanocomposite material is prepared, and then arranged on the fabric to endow the fabric with multiple functions. The finishing method of this embodiment is to deposit silver phosphate and graphene oxide in situ on the fabric, endow the fabric with self-cleaning, antibacterial, antistatic, anti-ultraviolet and other functions, which has improved quality, and the preparation method is simple, environmentally friendly, and low in cost. .

As shown in Figure 1, the principle of this embodiment is: the plasma treatment fabric, the surface is connected with positively charged amino groups, the fabric is soaked in graphene solution, the amino groups on the surface of the fabric are combined with negatively charged carboxyl groups on graphene, so that Graphene is deposited on the surface of the fabric. Then the fabric is treated with plasma, the surface is connected with negatively charged carboxyl groups, soaked in silver nitrate solution, the surface of the fabric absorbs silver ions, soaked in phosphate solution, and silver phosphate is deposited on the surface of the fabric in situ. Finally, graphene oxide and silver phosphate are deposited on the surface of the fabric. In this embodiment, silver phosphate is deposited in situ, and the material deposited in situ is firmly bonded to the fabric, and the process is simple and the cost is low. The functionality of the fabric with in-situ deposition of silver phosphate is better than that of in-situ deposition of nano-silver, especially the self-cleaning performance of the fabric is about 3 times that of the fabric with in-situ deposition of nano-silver.

Graphene and silver phosphate deposited on the surface of the fabric endow the fabric with UV resistance, antistatic property, antibacterial property and self-cleaning property respectively. At the same time, these properties are efficient and durable. Because the surface of the fabric is modified by plasma-induced ammonia gas phase grafting, the amino group is connected to the surface, and the carboxyl group in the graphene oxide forms an ionic bond with the amino group, so that the graphene oxide and the fabric are firmly combined; After modification, the carboxyl groups on the surface of the branch absorb the silver ions in the silver nitrate, and react with the phosphate to form silver phosphate, so that the silver phosphate is firmly combined with the fabric.

The following experiments are conducted to verify that the finished fabric of this embodiment has good performance.

Example 1

A method for finishing efficient and durable multifunctional textiles, comprising the following steps:

Step 10): Put the fabric into the vacuum chamber of the cold plasma instrument, and after the low-temperature plasma pretreats the surface of the fabric, pass the low-pressure evaporated ammonia monomer vapor into the vacuum chamber, and generate plasma on the surface of the fabric to trigger the ammonia gas phase For the grafting reaction, the ammonia monomer vapor flow rate was 10 L/min, the vacuum degree of the vacuum chamber was maintained at 200 Pa, and the grafting reaction time was 50 minutes to obtain a surface cationic modified fabric.

Step 20): ultrasonically treat the graphene oxide solution with a mass concentration of 0.05g/L for 1.5h, then put the surface cation-modified fabric in step 10) into the graphene oxide solution, shake and soak at room temperature for 60min, then take out fabric and dry.

Step 30): Put the fabric treated in step 20) into the vacuum chamber of the cold plasma instrument, and after the low-temperature plasma pretreats the surface of the fabric, the acrylic acid monomer vapor evaporated by low pressure is passed into the vacuum chamber, and the surface of the fabric is The gas-phase grafting reaction of acrylic acid was induced by plasma, the vapor flow rate of acrylic acid monomer was 6L/min, the vacuum degree of the vacuum chamber was kept at 200Pa, and the grafting reaction time was 100min; the surface anion-modified fabric was obtained.

Step 40): Put the fabric prepared in step 30) into a silver nitrate solution with a mass concentration of 0.1 g/L, avoid light at room temperature, oscillate, and soak for 60 minutes to obtain the treated fabric.

Step 50): Soak the fabric treated in step 40) into a phosphate solution, avoid light at room temperature, oscillate, soak for 50 minutes, take out the fabric and dry it. The phosphate solution is disodium hydrogen phosphate solution, and the ratio of the mass concentration of the phosphate solution to the mass concentration of the silver nitrate solution in step 40) is 0.3:1.

The fabric in this example is made of cotton.

Example 2

A method for finishing efficient and durable multifunctional textiles, comprising the following steps:

Step 10): Put the fabric into the vacuum chamber of the cold plasma instrument, and after the low-temperature plasma pretreats the surface of the fabric, pass the low-pressure evaporated ammonia monomer vapor into the vacuum chamber, and generate plasma on the surface of the fabric to trigger the ammonia gas phase For the grafting reaction, the ammonia monomer vapor flow rate was 5 L/min, the vacuum degree of the vacuum chamber was kept at 120 Pa, and the grafting reaction time was 90 minutes to obtain a fabric with surface cation modification.

Step 20): ultrasonically treat the graphene oxide solution with a mass concentration of 0.08 g/L for 2 hours, then put the surface cationic-modified fabric of step 10) into the graphene oxide solution, shake and soak at room temperature for 30 minutes, and then take out the fabric and let dry.

Step 30): Put the fabric treated in step 20) into the vacuum chamber of the cold plasma instrument, and after the low-temperature plasma pretreats the surface of the fabric, the acrylic acid monomer vapor evaporated by low pressure is passed into the vacuum chamber, and the surface of the fabric is The gas phase grafting reaction of acrylic acid was induced by plasma, the vapor flow rate of acrylic acid monomer was 4L/min, the vacuum degree of the vacuum chamber was kept at 100Pa, and the grafting reaction time was 90min; the surface anion-modified fabric was obtained.

Step 40): Put the fabric prepared in step 30) into a silver nitrate solution with a mass concentration of 0.8 g/L, avoid light at room temperature, oscillate, and soak for 30 minutes to obtain the treated fabric.

Step 50): Soak the fabric treated in step 40) into a phosphate solution, avoid light at room temperature, vibrate, soak for 40 minutes, take out the fabric and dry it. The phosphate solution is calcium hydrogen phosphate solution, and the ratio of the mass concentration of the phosphate solution to the mass concentration of the silver nitrate solution in step 40) is 1:1.

The fabric in this embodiment is made of hemp.

Example 3

A method for finishing efficient and durable multifunctional textiles, comprising the following steps:

Step 10): Put the fabric into the vacuum chamber of the cold plasma instrument, and after the low-temperature plasma pretreats the surface of the fabric, pass the low-pressure evaporated ammonia monomer vapor into the vacuum chamber, and generate plasma on the surface of the fabric to trigger the ammonia gas phase For the grafting reaction, the steam flow rate of the ammonia monomer was 1 L/min, the vacuum degree of the vacuum chamber was kept at 50 Pa, and the grafting reaction time was 100 min to obtain a surface cationic modified fabric.

Step 20): ultrasonically treat the graphene oxide solution with a mass concentration of 0.1g/L for 1.2h, then put the surface cation-modified fabric in step 10) into the graphene oxide solution, shake and soak at room temperature for 50min, then take out fabric and dry.

Step 30): Put the fabric treated in step 20) into the vacuum chamber of the cold plasma instrument, and after the low-temperature plasma pretreats the surface of the fabric, the acrylic acid monomer vapor evaporated by low pressure is passed into the vacuum chamber, and the surface of the fabric is The gas phase grafting reaction of acrylic acid was induced by plasma, the vapor flow rate of acrylic acid monomer was 10L/min, the vacuum degree of the vacuum chamber was kept at 50Pa, and the grafting reaction time was 50min; the surface anion-modified fabric was obtained.

Step 40): Put the fabric prepared in step 30) into a silver nitrate solution with a mass concentration of 1 g/L, avoid light at room temperature, oscillate, and soak for 50 minutes to obtain the treated fabric.

Step 50): Soak the fabric treated in step 40) into a phosphate solution, avoid light at room temperature, vibrate, soak for 60 minutes, take out the fabric and dry it. The phosphate solution is sodium dihydrogen phosphate solution, and the ratio of the mass concentration of the phosphate solution to the mass concentration of the silver nitrate solution in step 40) is 0.5:1.

The fabric in this example is made of polyester.

Example 4

A method for finishing efficient and durable multifunctional textiles, comprising the following steps:

Step 10): Put the fabric into the vacuum chamber of the cold plasma instrument, and after the low-temperature plasma pretreats the surface of the fabric, pass the low-pressure evaporated ammonia monomer vapor into the vacuum chamber, and generate plasma on the surface of the fabric to trigger the ammonia gas phase For the grafting reaction, the ammonia monomer vapor flow rate was 8L/min, the vacuum degree of the vacuum chamber was maintained at 80Pa, and the grafting reaction time was 60min to obtain a fabric with surface cation modification.

Step 20): ultrasonically treat the graphene oxide solution with a mass concentration of 0.01 g/L for 1 h, then put the surface cation-modified fabric of step 10) into the graphene oxide solution, vibrate and soak at room temperature for 40 minutes, and then take out the fabric and let dry.

Step 30): Put the fabric treated in step 20) into the vacuum chamber of the cold plasma instrument, and after the low-temperature plasma pretreats the surface of the fabric, the acrylic acid monomer vapor evaporated by low pressure is passed into the vacuum chamber, and the surface of the fabric is The gas phase grafting reaction of acrylic acid was induced by plasma, the vapor flow rate of acrylic acid monomer was 1L/min, the vacuum degree of the vacuum chamber was kept at 70Pa, and the grafting reaction time was 70min; the surface anion-modified fabric was obtained.

Step 40): Put the fabric prepared in step 30) into a silver nitrate solution with a mass concentration of 0.3 g/L, avoid light at room temperature, oscillate, and soak for 45 minutes to obtain the treated fabric.

Step 50): Soak the fabric treated in step 40) into a phosphate solution, avoid light at room temperature, vibrate, soak for 30 minutes, take out the fabric and dry it. Described phosphate solution is that potassium dihydrogen phosphate solution and calcium phosphate solution that mass concentration is equal are mixed according to mass ratio 1:1, and the ratio of the mass concentration of phosphate solution and the mass concentration of silver nitrate solution in step 40) is 0.8:1.

In this embodiment, the fabric is made of nylon and polypropylene with a mass ratio of 1:2.

Example 5

A method for finishing efficient and durable multifunctional textiles, comprising the following steps:

Step 10): Put the fabric into the vacuum chamber of the cold plasma instrument, and after the low-temperature plasma pretreats the surface of the fabric, pass the low-pressure evaporated ammonia monomer vapor into the vacuum chamber, and generate plasma on the surface of the fabric to trigger the ammonia gas phase For the grafting reaction, the ammonia monomer vapor flow rate was 4L/min, the vacuum degree of the vacuum chamber was maintained at 170Pa, and the grafting reaction time was 800min, to obtain a surface cationic modified fabric.

Step 20): ultrasonically treat the graphene oxide solution with a mass concentration of 0.03g/L for 1.8h, then put the surface cation-modified fabric of step 10) into the graphene oxide solution, vibrate and soak at room temperature for 55min, then take out fabric and dry.

Step 30): Put the fabric treated in step 20) into the vacuum chamber of the cold plasma instrument, and after the low-temperature plasma pretreats the surface of the fabric, the acrylic acid monomer vapor evaporated by low pressure is passed into the vacuum chamber, and the surface of the fabric is The gas-phase grafting reaction of acrylic acid was induced by plasma, the vapor flow rate of acrylic acid monomer was 2L/min, the vacuum degree of the vacuum chamber was kept at 150Pa, and the grafting reaction time was 60min; the surface anion-modified fabric was obtained.

Step 40): Put the fabric prepared in step 30) into a silver nitrate solution with a mass concentration of 0.5 g/L, avoid light at room temperature, oscillate, and soak for 55 minutes to obtain the treated fabric.

Step 50): Soak the fabric treated in step 40) into a phosphate solution, avoid light at room temperature, vibrate, soak for 55 minutes, take out the fabric and dry it. The phosphate solution is composed of dipotassium hydrogen phosphate solution, potassium dihydrogen phosphate solution, and potassium phosphate solution with equal mass concentrations according to a mass ratio of 1:1:2, and the mass concentration of the phosphate solution is the same as that of nitric acid in step 40). The mass concentration ratio of the silver solution is 0.6:1.

In this example, the fabric is made of polyester and acrylic at a mass ratio of 1:3.

Example 6

A method for finishing efficient and durable multifunctional textiles, comprising the following steps:

Step 10): Put the fabric into the vacuum chamber of the cold plasma instrument, and after the low-temperature plasma pretreats the surface of the fabric, pass the low-pressure evaporated ammonia monomer vapor into the vacuum chamber, and generate plasma on the surface of the fabric to trigger the ammonia gas phase For the grafting reaction, the steam flow rate of the ammonia monomer was 6L/min, the vacuum degree of the vacuum chamber was kept at 20Pa, and the grafting reaction time was 70min to obtain the surface cationic modified fabric.

Step 20): ultrasonically treat the graphene oxide solution with a mass concentration of 0.09g/L for 1.6h, then put the surface cation-modified fabric in step 10) into the graphene oxide solution, shake and soak at room temperature for 45min, and take out fabric and dry.

Step 30): Put the fabric treated in step 20) into the vacuum chamber of the cold plasma instrument, and after the low-temperature plasma pretreats the surface of the fabric, the acrylic acid monomer vapor evaporated by low pressure is passed into the vacuum chamber, and the surface of the fabric is The gas-phase grafting reaction of acrylic acid was induced by plasma, the vapor flow rate of acrylic acid monomer was 9L/min, the vacuum degree of the vacuum chamber was kept at 120Pa, and the grafting reaction time was 80min; the surface anion-modified fabric was obtained.

Step 40): Put the fabric prepared in step 30) into a silver nitrate solution with a mass concentration of 0.9 g/L, avoid light at room temperature, oscillate, and soak for 35 minutes to obtain the treated fabric.

Step 50): Soak the fabric treated in step 40) into a phosphate solution, avoid light at room temperature, oscillate, soak for 35 minutes, take out the fabric and dry it. The phosphate solution is calcium hydrogen phosphate solution, and the ratio of the mass concentration of the phosphate solution to the mass concentration of the silver nitrate solution in step 40) is 0.9:1.

The fabric in this embodiment is made of nylon.

Comparative example 1

Using the existing finishing method: using silver and graphene oxide to prepare multifunctional textiles, first preparing silver/graphene oxide nanocomposites, and then finishing the composite materials on the fabric to endow the fabric with multiple functions.

The finished fabrics of the above examples and comparative examples were tested.

According to GB/T 18830-2009 "Assessment of Anti-ultraviolet Performance of Textiles", the anti-ultraviolet performance test is carried out. The UV protection factor test results are shown in Table 1.

According to GB/T 12703-1991 "Textile Static Test Method", the antistatic performance test is carried out. The test results of the static charge half-life are shown in Table 1.

Antibacterial properties were tested according to AATCC100-2012 "Evaluation of Antibacterial Finishing of Textiles". The antibacterial rate test results are shown in Table 1.

The self-cleaning performance was tested by degrading the methylene blue solution of the fabric under visible light. The degradation rate test results are shown in Table 1.

Table 1 Fabric performance test results after finishing

As can be seen from Table 1: the finished fabric of the present invention has efficient and durable UV resistance. UV protection of the finished fabric: the UV protection factor of the aramid fabric is 100+ before washing and after 10 times of washing. The finished fabric of the invention has high-efficiency and long-lasting antistatic property. Antistatic property of the fabric after finishing: the static charge half-life of the fabric before washing and after 10 times of washing is 0.5s. The finished fabric of the invention has high-efficiency and long-lasting antibacterial properties. Antibacterial property of the fabric after finishing: the antibacterial rate against Staphylococcus aureus and Escherichia coli both before washing and after 10 times of washing are over 99%. The fabric finished by the invention has high-efficiency and long-lasting self-cleaning property. Self-cleaning property of the fabric after finishing: the degradation rate of the fabric to the methylene blue is over 95% before washing and after 10 times of washing.

It can be seen from Table 1 that the self-cleaning performance of the fabric deposited in situ with graphene oxide/silver phosphate is much better than that of the fabric directly treated with the graphene oxide/silver composite material, about 3 times.

The basic principles, main features and advantages of the present invention have been shown and described above. Those skilled in the art should understand that the present invention is not limited by the above-mentioned specific examples. The descriptions in the above-mentioned specific examples and the description are only to further illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention The invention also has various changes and improvements, and these changes and improvements all fall within the scope of the claimed invention. The protection scope of the present invention is defined by the claims and their equivalents.

Claims (10)

1. A finishing method for efficient and durable multifunctional textiles, characterized in that: the finishing method comprises the following steps: Step 10): surface cationic modified fabric; Step 20): soaking the surface cation-modified fabric of step 10); Step 30): surface anion modification step 20) soaked fabric; Step 40): soaking the surface anion-modified fabric of step 30); Step 50): soaking the fabric soaked in step 40). 2. The finishing method of high-efficiency and durable multifunctional textiles according to claim 1, characterized in that: the process of step 10) is: the fabric is put into the vacuum cavity of the cold plasma instrument, and the low-temperature plasma performs surface treatment on the fabric. After the pretreatment, the low-pressure evaporated ammonia monomer steam is passed into the vacuum chamber, and plasma is generated on the surface of the fabric to trigger the ammonia gas phase grafting reaction, and the surface cation-modified fabric is obtained. 3. The method for finishing high-efficiency and durable multifunctional textiles according to claim 2, characterized in that: in the plasma-induced ammonia gas phase grafting reaction, the ammonia monomer steam flow rate is 1-10L/min, and the vacuum chamber The vacuum degree of the body is kept below 200Pa, and the grafting reaction time is 50-100min. 4. The method for finishing high-efficiency and durable multifunctional textiles according to claim 1, characterized in that: the process of step 20) is: ultrasonic treatment of a graphene oxide solution with a mass concentration of 0.01 to 0.1 g/L for 1 to 2 hours , and then put the surface cation-modified fabric in step 10) into the graphene oxide solution, shake and soak at room temperature for 30-60 minutes, then take out the fabric and dry it. 5. The finishing method of efficient and durable multifunctional textiles according to claim 1, characterized in that: the process of step 30) is: the fabric after step 20) is put into the vacuum cavity of the cold plasma instrument, After the low-temperature plasma is used to pretreat the surface of the fabric, the vapor of the acrylic acid monomer evaporated at low pressure is passed into the vacuum chamber, and the plasma occurs on the surface of the fabric to trigger the gas-phase grafting reaction of acrylic acid, and the surface anion-modified fabric is obtained. 6. The method for finishing high-efficiency and durable multi-functional textiles according to claim 5, characterized in that: in the gas-phase grafting reaction of acrylic acid induced by the plasma, the vapor flow rate of the acrylic acid monomer is 1-10 L/min, and the vacuum of the vacuum chamber is 1-10 L/min. The temperature is kept below 200Pa, and the grafting reaction time is 50-100min. 7. The method for finishing high-efficiency and durable multifunctional textiles according to claim 1, characterized in that: the process of step 40) is: putting the fabric prepared in step 30) into a fabric with a mass concentration of 0.1-1 g/L The silver nitrate solution is protected from light at room temperature, shaken, and soaked for 30-60 minutes to obtain the treated fabric. 8. The finishing method of high-efficiency and durable multifunctional textiles according to claim 7, characterized in that: the process of step 50) is: putting the treated fabric in step 40) into a phosphate solution, and avoiding light at room temperature , shake, and soak for 30-60 minutes, take out the fabric and dry it. 9. The finishing method of efficient and durable multifunctional textiles according to claim 8, characterized in that: The phosphate solution is one of disodium hydrogen phosphate solution, dipotassium hydrogen phosphate solution, sodium dihydrogen phosphate solution, potassium dihydrogen phosphate solution, calcium hydrogen phosphate solution, sodium phosphate solution, potassium phosphate solution and calcium phosphate solution One or any combination, the ratio of the mass concentration of the phosphate solution to the mass concentration of the silver nitrate solution in step 40) is 0.3-1:1. 10. The method for finishing high-efficiency and durable multifunctional textiles according to claim 1, characterized in that: the fabric is any one or any of cotton, linen, silk, wool, polyester, nylon, polypropylene, acrylic, and spandex Combination made.