A non-toxic enzymatic wig fiber bleaching process

Abstract

The present application relates to wig fiber bleaching technical field, specifically to a kind of non-toxic biological enzyme wig fiber bleaching process, comprising the following steps: S1: using nano technology to package non-toxic biological enzyme;S2: the surface modification of wig fiber needing bleaching;S3: the enzyme of nano package is mixed with specific concentration buffer solution, and nano enzyme solution is prepared;S4: the modified wig fiber is soaked in slightly alkaline solution at low temperature, and pretreatment is carried out;S5: the pretreated fiber is soaked in nano enzyme solution, and bleaching treatment is carried out;S6: after bleaching treatment is completed, the activity of enzyme is terminated using inhibitor;S7: after cleaning, wig fiber is dried and arranged.The present application, by using environmental biological enzyme, using nano packaging technology to improve enzyme stability and efficiency, and surface modification is carried out to fiber to enhance bleaching uniformity, to realize a kind of safe and efficient new method of wig fiber bleaching.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of wig fiber bleaching, particularly to a non-toxic biological enzyme wig fiber bleaching process. BACKGROUND

[0002] The bleaching of wig fibers is an important process in the beauty industry, as it directly affects the appearance and texture of wigs. Traditionally, this process relies mainly on chemical bleaching agents, such as peroxides and chlorinated compounds. While these methods can effectively remove natural pigments from the fibers, they also pose several problems.

[0003] Firstly, these chemical bleaching agents can pollute the environment and pose potential health risks to operators and consumers. Chemical substances can produce harmful byproducts during processing, posing a threat to ecosystems and human health. Additionally, chemical bleaching agents have negative effects on the physical properties of wig fibers, and long-term or excessive use can cause the fibers to become brittle and lose elasticity, reducing the service life and aesthetic appeal of the wig. Finally, traditional chemical bleaching methods often struggle to achieve uniform treatment of fiber color, especially in complex fiber structures, leading to local over-bleaching or unevenness.

[0004] To address these issues, the present application proposes a non-toxic biological enzyme wig fiber bleaching process aimed at overcoming the limitations of traditional chemical bleaching methods. SUMMARY

[0005] Based on the above purpose, the present application provides a non-toxic biological enzyme wig fiber bleaching process.

[0006] A non-toxic biological enzyme wig fiber bleaching process, comprising the following steps:

[0007] S1: Prepare non-toxic biological enzymes and encapsulate them using nanotechnology;

[0008] S2: Surface modification of the wig fibers to be bleached, so that they have specific functional groups to enhance the binding ability with enzymes;

[0009] S3: Mix the nano-encapsulated enzymes with a specific concentration of buffer solution to make a nano-enzyme solution;

[0010] S4: Soak the modified wig fibers in a slightly alkaline solution at low temperature for pretreatment;

[0011] S5: Soak the pretreated fibers in the nano-enzyme solution for bleaching treatment;

[0012] S6: After bleaching treatment, use an inhibitor to terminate the activity of the enzyme, then wash the wig fibers with a neutral pH solution to remove residual substances;

[0013] S7: drying and arranging the wig fibers after cleaning.

[0014] Further, the non-toxic biological enzyme is papain or bromelain, the purity of the non-toxic biological enzyme is 95-98%, and the enzyme activity is 1-10 U / mg.

[0015] Further, the encapsulation of the non-toxic biological enzyme by using nanotechnology in S1 specifically includes:

[0016] S11: selecting polylactic acid-glycolic acid copolymer as a nanocarrier material, and controlling the size of the nanoparticles to be 50-200 nanometers;

[0017] S12: mixing the selected biological enzyme and the nanocarrier material at a ratio of 1:5-1:10, and stirring in a buffer solution with a pH value of 6.5-7.5 to form a stable enzyme-carrier complex;

[0018] S13: performing nanocapsulation by solvent evaporation, and controlling the temperature of the mixed solution to be 4-10℃ during the nanocapsulation process to maintain the activity of the enzyme;

[0019] S14: collecting the nanoenzyme particles by centrifugation, and then dialyzing them to remove the impurities of the unencapsulated enzymes, so as to ensure that the purity of the nanoenzyme particles is higher than 90%.

[0020] Further, S2 specifically includes:

[0021] S21: selecting polyester or nylon as the wig fiber material, and the tensile strength of the selected wig fiber material is not less than 20 MPa, and the heat distortion temperature is higher than 80℃;

[0022] S22: selecting a compound containing active hydroxyl, carboxyl or amino as a surface modifier;

[0023] S23: soaking the wig fibers in a solution containing the surface modifier, the concentration of the solution is 0.5%-2%, the treatment time is 1-2 hours, and the treatment temperature is maintained at 50℃;

[0024] S24: after surface modification, using a weak alkaline solution to neutralize the fibers, and then washing the fibers with deionized water to remove unreacted impurities.

[0025] Further, S3 specifically includes:

[0026] S31: preparing a buffer solution with a pH value of 6.0 to 7.5, and the concentration of the buffer solution is 10-50 mM;

[0027] S32: Add nano-encapsulated enzyme particles to the buffer solution at a ratio of 1:10, and gently stir to ensure uniform mixing;

[0028] S34: After stirring for 10 minutes, a nano-enzyme solution with an enzyme concentration of 0.1-1% (w / v) is prepared.

[0029] Further, the pretreatment in S4 specifically includes:

[0030] S41: Prepare a slightly alkaline solution containing sodium carbonate or sodium bicarbonate, control its pH value to be 7.5-9.0, and control its concentration to be 0.1%-1% (w / v);

[0031] S42: Adjust the temperature of the slightly alkaline solution to 25-35℃;

[0032] S43: Soak the modified wig fibers for 40 minutes to ensure that the fibers fully absorb the solution;

[0033] S44: After the pretreatment is completed, gently rinse the wig fibers with deionized water to remove residual alkaline substances, and then use a neutral pH buffer solution to neutralize the fibers to ensure that the pH value of the fibers returns to neutral.

[0034] Further, the bleaching treatment in S5 specifically includes:

[0035] S51: Adjust the temperature of the nano-enzyme solution to 35-45℃;

[0036] S52: Soak the pretreated wig fibers in the nano-enzyme solution with the adjusted temperature for 1-3 hours.

[0037] Further, S6 specifically includes:

[0038] S61: The selected inhibitor is benzylsulfonyl fluoride or ethylenediaminetetraacetic acid, and the concentration of the inhibitor is adjusted to 0.1-1mM;

[0039] S62: Add the inhibitor directly to the solution containing the bleached wig fibers, and mix thoroughly to ensure that the enzyme activity is rapidly and completely inhibited, and the mixing time is controlled to be 5-10 minutes;

[0040] S63: Use a neutral pH 7.0 washing solution to rinse the bleached wig fibers to remove the inhibitor, enzyme, and residues, and the rinsing process is carried out at least 3 times, each time using fresh washing solution;

[0041] S64: After the rinsing process is completed, check the pH value of the wig fibers to ensure that it returns to near neutral.

[0042] Further, the drying and finishing in S7 specifically includes:

[0043] S71: After the bleaching process, the wig fibers are gently squeezed to remove excess water;

[0044] S72: The fibers are then naturally dried in an environment controlled at 40°C;

[0045] S73: The drying time is 1-3 hours to ensure complete drying of the fibers;

[0046] S74: After drying, the fibers are combed to restore their natural texture and shine. Non-metallic combs are used to prevent static damage to the fibers;

[0047] S75: Quality inspection of the dried and arranged wig fibers, including color uniformity, strength, elasticity and gloss, to ensure that the bleaching process does not adversely affect the basic properties of the fibers.

[0048] Advantages of the present application:

[0049] The present application uses non-toxic biological enzymes instead of traditional chemical bleaching agents, greatly reducing the pollution to the environment and the risk to the health of operators and end users. Biological enzymes, as a natural source of material, are easier to degrade after use and do not leave long-term environmental impact like traditional chemicals, thus better meeting the current environmental protection trend and the high concern of the public for health and safety.

[0050] The present application, by encapsulating biological enzymes through nanotechnology, effectively improves the stability and bleaching efficiency of enzymes on wig fibers. Nanocapsulation technology protects enzymes from external environmental influences, prolongs their active period, and ensures that enzymes can act more uniformly and effectively on fibers, which not only improves bleaching efficiency but also ensures the uniformity of the bleaching process, avoiding the common problem of local over-bleaching or uneven bleaching in traditional chemical methods.

[0051] The present application, through surface modification, introduces specific functional groups to the surface of the fibers, enhancing their binding ability with enzymes, thus achieving more effective and uniform bleaching. In addition, this method also protects the original physical properties of the fibers, such as strength and elasticity, prolonging the service life of the wig and improving the user experience of consumers. BRIEF DESCRIPTION OF DRAWINGS

[0052] In order to more clearly illustrate the technical solutions in the present application or prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings described below are only a part of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0053] Figure 1 A schematic diagram of a wig fiber bleaching process according to an embodiment of the present application. DETAILED DESCRIPTION

[0054] In order to make the objectives, technical solutions and advantages of the present application clearer, the present application will be further described in detail below with reference to specific embodiments.

[0055] It should be noted that, unless otherwise defined, technical terms or scientific terms used in the present application should be understood as their common meanings to those skilled in the art. The terms "first", "second" and similar terms used in the present application do not represent any order, number or importance, but are only used to distinguish different components. The terms "include" or "contain" and similar terms mean that the elements or objects before the terms encompass the elements or objects listed after the terms and their equivalents, without excluding other elements or objects. The terms "connect" or "connected" and similar terms do not mean physical or mechanical connection, but can include electrical connection, whether direct or indirect. The terms "upper", "lower", "left", "right" and the like only represent relative positional relationships, which can change accordingly when the absolute positions of the described objects change.

[0056] Embodiment 1

[0057] As shown in Figure 1 A non-toxic biological enzyme wig fiber bleaching process, comprising the following steps:

[0058] S1: Prepare non-toxic biological enzymes and encapsulate them using nanotechnology to improve their stability and efficiency in wig fibers;

[0059] S2: Surface modification of wig fibers that need to be bleached to have specific functional groups on their surfaces to enhance the binding ability with enzymes and thus improve the bleaching effect;

[0060] S3: Mix the nano-encapsulated enzymes with a specific concentration of buffer solution to make a nano-enzyme solution for subsequent bleaching treatment;

[0061] S4: Soak the modified wig fibers in a slightly alkaline solution at low temperature for pretreatment to maintain the strength and structural integrity of the fibers;

[0062] S5: Soak the pretreated fibers in the nano-enzyme solution for bleaching treatment;

[0063] S6: After bleaching treatment, use an inhibitor to terminate the activity of the enzyme, and then wash the wig fibers with a neutral pH solution to remove residual substances;

[0064] S7: The wig fibers after cleaning are dried and arranged to ensure the quality and appearance of the wig fibers.

[0065] The non-toxic biological enzyme is papain, the purity of the non-toxic biological enzyme is 97%, and the enzyme activity is 5U / mg.

[0066] The encapsulation of the non-toxic biological enzyme by using nanotechnology in S1 specifically includes:

[0067] S11: Polylactic acid-glycolic acid copolymer (PLGA) is selected as a nanocarrier material, and the size of the nanoparticles is controlled to be 100 nanometers;

[0068] S12: The selected biological enzyme is mixed with the nanocarrier material at a ratio of 1:7, and stirring is performed in a buffer solution with a pH value of 7.0 to form a stable enzyme-carrier complex;

[0069] S13: The solvent evaporation method is used for nanocapsulation to ensure effective wrapping of the enzyme, and the temperature of the mixed solution is controlled to be 7℃ during the nanocapsulation process to maintain the activity of the enzyme;

[0070] S14: The nanenzyme particles are collected by centrifugation, and then dialysis is performed to remove the impurities of the unencapsulated enzyme, ensuring that the purity of the nanenzyme particles is higher than 90%.

[0071] S2 specifically includes:

[0072] S21: The selected wig fiber material is polyester, and the tensile strength of the selected wig fiber material is 25MPa, and the heat distortion temperature is 90℃;

[0073] S22: A compound containing active hydroxyl groups is selected as a surface modifier;

[0074] S23: The wig fibers are immersed in a solution containing the surface modifier, the concentration of the solution is 1%, the treatment time is 1.5 hours, and the treatment temperature is maintained at 50℃;

[0075] S24: After surface modification, a weak alkaline solution is used to neutralize the fibers, and then the fibers are washed with deionized water to remove unreacted impurities.

[0076] S3 specifically includes:

[0077] S31: A buffer solution with a pH value of 6.5 is prepared, and the concentration of the buffer solution is 30mM;

[0078] S32: The nanocapsulated enzyme particles are added to the buffer solution at a ratio of 1:10, and gentle stirring is performed to ensure uniform mixing;

[0079] S34: After stirring for 10 minutes, a nanoscale enzyme solution with an enzyme concentration of 0.5% (w / v) was prepared.

[0080] The pretreatment in S4 specifically includes:

[0081] S41: A slightly alkaline solution containing sodium carbonate was prepared, with a pH value of 8.0 and a concentration of 0.5% (w / v);

[0082] S42: The temperature of the slightly alkaline solution was adjusted to 30°C to protect the structure and strength of the fibers;

[0083] S43: The modified wig fibers were soaked for 40 minutes to ensure that the fibers fully absorbed the solution;

[0084] S44: After the pretreatment was completed, the wig fibers were gently rinsed with deionized water to remove residual alkaline substances, and then the fibers were neutralized using a buffer solution with a neutral pH to ensure that the pH value of the fibers returned to neutral.

[0085] The bleaching treatment in S5 specifically includes:

[0086] S51: The temperature of the nanoscale enzyme solution was adjusted to 40°C to maximize enzyme activity and bleaching effect;

[0087] S52: The pretreated wig fibers were soaked in the temperature-adjusted nanoscale enzyme solution for 2 hours, and the wig fibers were gently stirred during the bleaching process to ensure that each fiber was uniformly exposed to the nanoscale enzyme solution, thereby achieving uniform bleaching effect.

[0088] S6 specifically includes:

[0089] S61: The selected inhibitor was benzylsulfonyl fluoride or ethylenediaminetetraacetic acid, and the concentration of the inhibitor was adjusted to 0.5 mM;

[0090] S62: The inhibitor was directly added to the solution containing the bleached wig fibers, and thoroughly mixed to ensure that the enzyme activity was rapidly and completely inhibited, with a mixing time of 7 minutes;

[0091] S63: The bleached wig fibers were rinsed using a cleaning solution with a neutral pH of 7.0 to remove the inhibitor, enzyme, and residual substances, and the rinsing process was performed at least 3 times, with fresh cleaning solution used each time;

[0092] S64: After the rinsing process was completed, the pH value of the wig fibers was checked to ensure that it returned to near neutral.

[0093] The drying and finishing in S7 specifically includes:

[0094] S71: After the bleaching process is completed, the wig fibers are gently squeezed to remove excess water. The process should be gentle to avoid causing physical stretching or compression of the fibers;

[0095] S72: The fibers are naturally dried in an environment controlled at 40°C to prevent direct exposure to high temperatures or strong light, which could damage the fibers;

[0096] S73: The drying time is 2 hours to ensure that the fibers are completely dry but not over-dried, which could make them brittle;

[0097] S74: After drying, the fibers are combed to restore their natural texture and luster. Non-metallic combs are used to prevent static damage to the fibers;

[0098] S75: The dried and arranged wig fibers are quality inspected, including color uniformity, strength, elasticity, and gloss, to ensure that the bleaching process has not adversely affected the basic properties of the fibers.

[0099] Example 2

[0100] S1: First, select bromelain with a purity of 95% and an enzyme activity of 1 U / mg. Then use polylactic acid-glycolic acid copolymer as a nanocarrier material, control the particle size to 50 nanometers, mix the papain and nanocarriers at a ratio of 1:5, then stir in a buffer solution with a pH of 6.5 to form a stable enzyme-carrier complex, and finally, nano-encapsulate at a temperature of 4°C to maintain enzyme activity. The purity of the nanenzyme particles is 93%;

[0101] S2: Select nylon fiber material with a tensile strength of 20 MPa and a heat distortion temperature of 85°C. Use a compound containing active carboxyl groups as a surface modifier. Soak the fiber in a solution containing the modifier, with a solution concentration of 0.5%, a treatment time of 1 hour, and a treatment temperature of 50°C. After modification, use a weak alkaline solution to neutralize the fiber, and then wash the fiber with deionized water to remove unreacted impurities;

[0102] S3: Prepare a buffer solution with a pH of 6.0 and a concentration of 10 mM. Then add the nano-encapsulated enzyme particles to the buffer solution at a ratio of 1:10, gently stir to ensure uniform mixing, and after 10 minutes of stirring and mixing, prepare a nanenzyme solution with an enzyme concentration of 0.1% (w / v);

[0103] S4: Prepare a micro-alkaline solution containing sodium bicarbonate, adjust its pH value to 7.5, control its concentration to 0.1% (w / v), set the solution temperature to 25°C, immerse the modified wig fibers in this solution for 40 minutes to ensure that the fibers fully absorb the solution, after the pretreatment is completed, gently rinse the fibers with deionized water to remove residual alkaline substances;

[0104] S5: Adjust the temperature of the nano-enzyme solution to 35°C, then immerse the pretreated wig fibers in this solution, and set the soaking time to 1 hour for bleaching treatment;

[0105] S6: Select ethylenediaminetetraacetic acid as the inhibitor, adjust its concentration to 0.1 mM, add the inhibitor to the solution containing the bleached wig fibers, mix thoroughly to ensure that the enzyme activity is rapidly and completely inhibited, control the mixing time to 5 minutes, and use a neutral cleaning solution with a pH value of 7.0 to rinse the bleached fibers 3 times, using fresh cleaning solution each time;

[0106] S7: After the cleaning is completed, first gently squeeze the fibers for light dehydration to remove excess water, then naturally dry the fibers at 40°C, the drying time is 1 hour, after drying, use a non-metallic comb to comb the fibers to restore their natural texture and luster.

[0107] Example 3

[0108] S1: First, select papain with a purity of 99% and an enzyme activity of 10 U / mg, then use polylactic acid-glycolic acid copolymer as a nano-carrier material, control its particle size to be 200 nanometers, mix papain with nano-carriers at a ratio of 1:10, then stir in a buffer solution with a pH value of 7.5 to form a stable enzyme-carrier complex, finally, nano-encapsulate at a temperature of 10°C to maintain enzyme activity, the purity of the nano-enzyme particles is 95%;

[0109] S2: Select polyester fiber material with a tensile strength of 23 MPa and a heat distortion temperature of 87°C, use a compound containing active amino groups as a surface modifier, immerse the fiber in a solution containing the modifier, the solution concentration is 2%, the treatment time is 2 hours, and the treatment is carried out at a temperature of 50°C, after modification, neutralize the fiber with a weak alkaline solution, then wash the fiber with deionized water to remove unreacted impurities;

[0110] S3: Prepare a buffer solution with a pH value of 7.5 and a concentration of 50 mM, then add nano-encapsulated enzyme particles to the buffer solution at a ratio of 1:10, gently stir to ensure uniform mixing, after stirring for 10 minutes, prepare a nano-enzyme solution with an enzyme concentration of 1% (w / v);

[0111] S4: Prepare a micro-alkaline solution containing sodium carbonate, adjust its pH value to 9.0, control the concentration to 1% (w / v), set the solution temperature to 35°C, immerse the modified wig fibers in this solution for 40 minutes to ensure that the fibers fully absorb the solution, after the pretreatment is completed, gently rinse the fibers with deionized water to remove residual alkaline substances;

[0112] S5: Adjust the temperature of the nano-enzyme solution to 45°C, then immerse the pretreated wig fibers in this solution, and set the soaking time to 3 hours for bleaching treatment;

[0113] S6: Select benzylsulfonyl fluoride as the inhibitor, adjust its concentration to 1mM, add the inhibitor to the solution containing the bleached wig fibers, mix thoroughly to ensure that the enzyme activity is rapidly and completely inhibited, control the mixing time to 10 minutes, use a neutral cleaning solution with a pH value of 7.0 to rinse the bleached fibers 4 times, using fresh cleaning solution each time;

[0114] S7: After completing the cleaning, first gently squeeze the fibers for light dehydration to remove excess water, then naturally dry the fibers in an environment of 40°C for 3 hours, after drying, use a non-metallic comb to comb the fibers to restore their natural texture and luster.

[0115] Table 1 Product data comparison table

[0116] Experimental project Example 1 Example 2 Example 3 Purity of enzyme (%) 97 95 99 Enzyme activity (U / mg) 5 1 10 Purity of nanocatalyst particles (%) 97 93 95 Type of fiber material Polyester Nylon Polyester Type of modifier Active hydroxyl Active carboxyl Active amino Bleaching time (hours) 2 1 3 Final color uniformity High Medium High Fiber strength (MPa) 29 21 23 Fiber elasticity (%) 98 92 96 Fiber luster High Medium Medium

[0117] From the above Table 1, it can be seen that Example 1 performs excellently in multiple key aspects, especially in the purity of nano-enzyme particles, the strength of the fibers after bleaching, and the gloss of the fibers. The papain used in Example 1 has a high purity (97%) and moderate enzyme activity (5U / mg), which makes the bleaching process both efficient and gentle, helping to maintain the structural integrity and appearance quality of the wig fibers. In addition, the bleaching time of Example 1 is also relatively reasonable, neither too long nor sufficient to ensure good bleaching effect.

[0118] Although Example 3 performs better in some aspects such as enzyme purity and activity, considering the performance of Example 1 in key quality indicators such as fiber strength, elasticity, and gloss, it is considered the best choice among the three examples. In addition, the relatively balanced processing time of Example 1 is one of its advantages, making it suitable for application scenarios that require both high-quality products and efficiency.

[0119] In summary, Example 1 not only maintains high-quality products, but also considers processing efficiency, so it is considered the best implementation scheme in the comprehensive evaluation.

[0120] The present application is intended to cover all such alternatives, modifications, and variations as fall within the broad scope of the appended claims. Accordingly, any and all such alternatives, modifications, equivalents, improvements and the like are intended to be encompassed by the present application.

Claims

1. A non-toxic bio-enzyme bleaching process for wig fibers, characterized in that, Includes the following steps: S1: Prepare a non-toxic biological enzyme and encapsulate it using nanotechnology; the non-toxic biological enzyme is papain, the purity of which is 97% and the enzyme activity is 5 U / mg; the encapsulation of the non-toxic biological enzyme using nanotechnology specifically includes: S11: Polylactic acid-glycolic acid copolymer is selected as the nanocarrier material, and the size of the nanocarrier material is controlled to be 50-200 nanometers. S12: The selected biological enzyme and nanocarrier material are mixed in a ratio of 1:5 to 1:10 and stirred in a buffer solution with a pH of 6.5 to 7.5 to form a stable enzyme-carrier complex. S13: Nanoencapsulation is performed using a solvent evaporation method. During the nanoencapsulation process, the temperature of the mixed solution is controlled at 4-10℃ to maintain enzyme activity. S14: Nanozyme particles are collected by centrifugation and then dialyzed to remove impurities of unencapsulated enzymes, ensuring that the purity of the nanozyme particles is higher than 90%. S2: Surface modification of bleached wig fibers to imbue their surface with specific functional groups, enhancing their binding ability with enzymes; specifically including: S21: The selected wig fiber material is polyester, and the tensile strength of the selected wig fiber material is 25MPa, and the heat distortion temperature is 90℃. S22: Select compounds containing active hydroxyl groups as surface modifiers; S23: Immerse the wig fibers in a solution containing a surface modifier at a concentration of 1% for 1.5 hours, and maintain the treatment temperature at 50°C. S24: After surface modification, the fibers are neutralized with a weak alkaline solution, and then the fibers are washed with deionized water to remove unreacted impurities. S3: Mix the nano-encapsulated enzyme with a buffer solution of a specific concentration to prepare a nanoenzyme solution; S4: The modified wig fibers are pretreated by immersing them in a slightly alkaline solution at low temperature; S5: Immerse the pretreated fibers in a nanozyme solution for bleaching. S6: After bleaching, use an inhibitor to stop the enzyme activity, and then wash the wig fibers with a neutral pH solution to remove residual substances. S7: After washing the wig fibers, dry and style them.

2. The non-toxic bio-enzyme bleaching process for wig fibers according to claim 1, characterized in that, The non-toxic bio-enzyme also includes bromelain, which has a purity of 95-98% and an enzyme activity of 1-10 U / mg.

3. The non-toxic bio-enzyme bleaching process for wig fibers according to claim 1, characterized in that, S3 specifically includes: S31: Prepare a buffer solution with a pH of 6.0 to 7.5 and a concentration of 10-50 mM; S32: Add the nano-encapsulated enzyme particles to the buffer solution at a ratio of 1:10 and stir gently to ensure uniform mixing; S34: After stirring for 10 minutes, a nanozyme solution with an enzyme concentration of 0.1-1% (w / v) is prepared.

4. The non-toxic bio-enzyme bleaching process for wig fibers according to claim 3, characterized in that, The preprocessing in S4 specifically includes: S41: Prepare a slightly alkaline solution containing sodium carbonate or sodium bicarbonate, controlling its pH value to be 7.5-9.0 and its concentration to be 0.1%-1% (w / v). S42: Adjust the temperature of the slightly alkaline solution to 25-35℃; S43: Soak the modified wig fibers for 40 minutes to ensure that the fibers fully absorb the solution; S44: After pretreatment, gently rinse the wig fibers with deionized water to remove residual alkaline substances. Then, neutralize the fibers with a neutral pH buffer solution to ensure that the pH of the fibers returns to neutral.

5. The non-toxic bio-enzyme bleaching process for wig fibers according to claim 4, characterized in that, The bleaching process in S5 specifically includes: S51: Adjust the temperature of the nanozyme solution to 35-45℃; S52: Soak the pretreated wig fibers in a nanoenzyme solution at a controlled temperature for 1-3 hours.

6. The non-toxic bio-enzyme bleaching process for wig fibers according to claim 5, characterized in that, S6 specifically includes: S61: The selected inhibitor is benzyl sulfonyl fluoride or ethylenediaminetetraacetic acid, and the concentration of the inhibitor is adjusted to 0.1-1 mM; S62: Add the inhibitor directly to the solution containing bleached wig fibers, mix thoroughly to ensure that the enzyme activity is rapidly and completely inhibited, and control the mixing time to 5-10 minutes; S63: Rinse the bleached wig fibers with a neutral pH of 7.0 to remove inhibitors, enzymes and residues. The rinsing process should be performed at least 3 times, each time using fresh rinsing solution. S64: After the washing process is complete, check the pH value of the wig fibers to ensure that it returns to near neutral.

7. The non-toxic bio-enzyme bleaching process for wig fibers according to claim 6, characterized in that, The drying and finishing process in step S7 specifically includes: S71: After washing, gently squeeze the wig fibers to slightly dehydrate them and remove excess water; S72: The fibers are naturally dried in an environment where the temperature is controlled at 40℃; S73: Drying time is 1-3 hours to ensure the fibers are completely dry; S74: After drying, the fibers are combed to restore their natural texture and luster. The combing process uses a non-metallic comb to prevent static damage to the fibers. S75: Quality inspection of dried and finished wig fibers, including color uniformity, strength, elasticity and luster, to ensure that the bleaching process does not adversely affect the basic properties of the fibers.

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