Antibacterial and antistatic fiber material based on silver ions and halamine and preparation method thereof

Abstract

The present invention relates to the field of fiber technology, and discloses an antibacterial and antistatic fiber material based on silver ions and halamine and a preparation method thereof. The preparation method includes: loading a methyl methacrylate-based polymer on the surface of a silver-carrying molecular sieve by an in-situ polymerization method, and then grafting a halamine antibacterial monomer, piperidinol chloride, by an ester exchange reaction to obtain an antibacterial agent; by polymerizing caprolactam with a quaternary ammonium polyether, polyethylene glycol, 2,6-pyridinedicarboxylic acid, and adipic acid to obtain an antistatic agent; adding an antibacterial agent, an antistatic agent, and nanosilver to a chemical fiber slice, and melt spinning to obtain an antibacterial and antistatic fiber material based on silver ions and halamine, wherein the chemical fiber slice is a polyester slice or a nylon slice or a polypropylene slice. The fiber material has excellent antibacterial and antistatic properties.

Description

Technical Field

[0001] The invention relates to the field of fiber technology, in particular to an antibacterial and antistatic fiber material based on silver ions and halamine and a preparation method thereof. Background Art

[0002] Textiles are inevitably invaded by microorganisms during use, which affects the actual use of textiles. At present, an appropriate amount of antibacterial agent is added to the polymer material matrix of chemical fibers. The prepared antibacterial fiber has the function of inhibiting and killing harmful microorganisms, and the safety of antibacterial textiles made therefrom is improved. Static electricity is very common in the production, processing and use of chemical fibers. The fibers will be disturbed by static electricity during spinning and use, so it is particularly important to modify the fibers to have antibacterial and antistatic properties.

[0003] Existing technologies such as Chinese patent CN104213237A disclose a new type of high-efficiency composite antibacterial fiber and its preparation method, which is prepared by adding antibacterial powder to chemical fiber to obtain high-efficiency composite antibacterial fiber, wherein the antibacterial powder includes silver nanopowder, copper nanopowder, germanium nanopowder, zinc nanopowder, titanium nanopowder and tourmaline nanopowder, and the prepared fiber has excellent antibacterial properties. However, due to the poor compatibility of antibacterial powder with fiber matrix resins such as nylon and polyester chips, it is easy to agglomerate, which affects the comprehensive performance of the fiber. Summary of the invention

[0004] The purpose of the present invention is to overcome the deficiencies of the prior art and provide an antibacterial and antistatic fiber material based on silver ions and halamine and a preparation method thereof. The fiber material has excellent antibacterial and antistatic properties.

[0005] In order to achieve the above object, the technical solution adopted by the present invention is as follows:

[0006] The preparation method of the antibacterial and antistatic fiber material based on silver ions and halamine comprises the following steps:

[0007] Step (1), preparing an antibacterial agent and an antistatic agent;

[0008] Wherein, the antibacterial agent is prepared by the following steps:

[0009] S11, mixing the molecular sieve with a silver nitrate aqueous solution, reacting, filtering, washing, and drying after the reaction is completed to obtain the silver-loaded molecular sieve;

[0010] The silver-loaded molecular sieve, methyl methacrylate, styrene, water, ethanol and azobisisobutylamidine hydrochloride are mixed and reacted, and after the reaction is completed, the mixture is filtered, washed and dried to obtain a modified silver-loaded molecular sieve;

[0011] S12, dissolving tetramethyl piperidinol and methanol in a mixed solution, adding sodium hypochlorite aqueous solution, reacting, filtering, washing, and drying after the reaction is completed to obtain chlorinated piperidinol;

[0012] The piperidinol chloride, the modified silver-loaded molecular sieve, toluene and tetraisopropyl titanate are mixed and reacted, and after the reaction is completed, the mixture is filtered, washed and dried to obtain an antibacterial agent (i.e., a powdered antibacterial agent);

[0013] Wherein, the antistatic agent is prepared by the following steps:

[0014] S21, mixing hydroxy-terminated polyepichlorohydrin with acetone, adding triethylamine dropwise, reacting after the addition is complete, and after the reaction is complete, removing the solvent acetone by rotary evaporation, and drying to obtain a quaternary ammonium polyether;

[0015] S22, mixing caprolactam, quaternized polyether, polyethylene glycol, 2,6-pyridinedicarboxylic acid, concentrated sulfuric acid, adipic acid, water, antimony trioxide, and triphenyl phosphate, reacting, continuing the reaction after the reaction is completed, reacting again after the reaction is completed, and cooling to room temperature after the reaction is completed to obtain an antistatic agent;

[0016] Step (2), mixing chemical fiber slices, antistatic agent, antibacterial agent and nano silver, melt spinning, cooling and drawing, to obtain antibacterial and antistatic fiber material based on silver ions and halamine.

[0017] Preferably, when preparing the antibacterial agent in step (1), in S11: the mass ratio of the molecular sieve to the silver nitrate aqueous solution is 1:20-30, and the silver nitrate aqueous solution is a 0.05-0.1 mol / L silver nitrate aqueous solution; when preparing the silver-loaded molecular sieve, the reaction conditions are: stirring the reaction at room temperature in a light-proof environment for 18-24 hours.

[0018] Preferably, when preparing the antibacterial agent in step (1), in S11: the mass ratio of the silver-loaded molecular sieve, methyl methacrylate, styrene, water, ethanol, and azobisisobutylamidine hydrochloride is 0.5:15-18:8-10:80-100:20-40:0.1-0.15; when preparing the modified silver-loaded molecular sieve, the reaction conditions are: reacting at a temperature of 70-80°C for 3-5h.

[0019] Preferably, when preparing the antibacterial agent in step (1), in S12: the mass ratio of tetramethyl piperidinol, methanol and sodium hypochlorite aqueous solution is 14-15:40-50:100-130, and the sodium hypochlorite aqueous solution is a 10wt% sodium hypochlorite aqueous solution; when preparing chlorinated piperidinol, the reaction conditions are: react at room temperature for 20-24h.

[0020] Preferably, when preparing the antibacterial agent in step (1), in S12: the mass ratio of chlorinated piperidinol, modified silver-loaded molecular sieve, toluene, and tetraisopropyl titanate is 9-10:10:100-150:0.1-0.15; when preparing the antibacterial agent, the reaction conditions are: reacting at a temperature of 110-120° C. for 6-8 hours.

[0021] Preferably, when preparing the antistatic agent in step (1), in S21: the mass ratio of terminal hydroxyl polyepichlorohydrin, acetone and triethylamine is 40-50:150-200:30-40; the dripping condition of triethylamine is: dripping for 20-30 minutes in a nitrogen atmosphere; the reaction conditions are: reacting for 8-10 hours in a nitrogen atmosphere at a temperature of 60-80°C.

[0022] Preferably, when preparing the antistatic agent in step (1), in S22: the mass ratio of caprolactam, quaternized polyether, polyethylene glycol, 2,6-pyridinedicarboxylic acid, concentrated sulfuric acid, adipic acid, water, antimony trioxide, and triphenyl phosphate is 900:130-140:10-20:16-20:9-10:10-15:27-30:0.5-0.6:1-2; the reaction conditions are: reacting for 3-4 hours in a nitrogen atmosphere, at a pressure of 0.8-1.2 MPa and a temperature of 190-210°C; the continued reaction conditions are: continuing to react for 3-4 hours in a nitrogen atmosphere, at a pressure of 0.8-1.2 MPa and a temperature of 230-250°C; and the second reaction conditions are: reacting again for 1-2 hours at a pressure of 50-100 Pa and a temperature of 250-260°C.

[0023] Preferably, in step (2), the melt spinning operation comprises: melt extrusion through a twin-screw melt spinning machine, the temperature of the melt section is 260-270°C, spinning at a spinning speed of 1500-2400 m / min, cooling, and stretching at a stretching speed of 600-800 m / min, with a stretching multiple of 2-2.6 times.

[0024] Preferably, in step (2), the mass ratio of the chemical fiber slice, the antistatic agent, the antibacterial agent and the nanosilver is 100:8-10:0.8-1:0.8-1; and the chemical fiber slice is a polyester slice, a nylon slice or a polypropylene slice.

[0025] Preferably, the antibacterial and antistatic fiber material based on silver ions and halamine is prepared by the method for preparing the antibacterial and antistatic fiber material based on silver ions and halamine as described above.

[0026] Compared with the prior art, the present invention has the following beneficial effects:

[0027] The invention prepares a modified silver-loaded molecular sieve by an in-situ polymerization method, and then grafts a halamine antibacterial monomer, piperidinol chloride, onto the surface of the modified silver-loaded molecular sieve by an ester exchange reaction to obtain an antibacterial agent; an antistatic agent is obtained by polymerizing caprolactam with a quaternary ammonium polyether, polyethylene glycol, 2,6-pyridinedicarboxylic acid and adipic acid having antibacterial properties; an antibacterial agent, an antistatic agent and nanosilver are added to chemical fiber slices, and an antibacterial and antistatic fiber material based on silver ions and halamine is obtained after melt spinning, wherein the chemical fiber slices are polyester slices, nylon slices or polypropylene slices; and the fiber material has excellent antibacterial and antistatic properties.

[0028] The invention uses an ion exchange method to replace part of sodium ions in a molecular sieve with silver ions, so that the obtained silver-loaded molecular sieve contains silver ions in its crystal lattice and has excellent antibacterial ability; the silver-loaded molecular sieve is used as a carrier material, and methyl methacrylate and styrene are polymerized on its surface by an in-situ polymerization method to obtain a modified silver-loaded molecular sieve; tetramethyl piperidinol is chlorinated to obtain chlorinated piperidinol, and the hydroxyl group of the chlorinated piperidinol is subjected to an ester exchange reaction with the ester group on the surface of the modified silver-loaded molecular sieve, so that a halamine antibacterial monomer is grafted on the surface of the modified silver-loaded molecular sieve, so that the dispersibility of the antibacterial agent in chemical fiber slices can be improved, and two antibacterial components, halamine and silver ions, are introduced at the same time, so that the modified silver-loaded molecular sieve has excellent antibacterial performance;

[0029] The polycaprolactam-polyether copolymer antistatic agent is a kind of polyamide thermoplastic elastomer, which has good compatibility with fiber matrix resin, excellent hygroscopicity and antistatic property. It can be added to chemical fiber slices as a permanent antistatic agent to improve the antistatic ability of fiber materials. In the present invention, caprolactam is hydrolyzed and ring-opened, and then melt-polymerized with quaternary ammonium polyether, polyethylene glycol, 2,6-pyridinedicarboxylic acid and adipic acid to obtain a polycaprolactam-polyether copolymer antistatic agent, wherein the quaternary ammonium polyether is The side chain chlorine group of terminal hydroxyl polyepichlorohydrin is quaternized with triethylamine, a small molecule tertiary amine compound. It is introduced into the antistatic agent as a polyether segment to improve the hygroscopicity and antibacterial properties of the antistatic agent. 2,6-pyridinedicarboxylic acid with a pyridine functional group is copolymerized in the main chain of the antistatic agent. Its pyridine ring structure can be used as a ligand to react with silver ions to form a coordination bond, thereby reducing the migration of silver ion antibacterial components in the fiber material and improving the antibacterial durability of the fiber material.

[0030] The present invention adds antibacterial agent, antistatic agent and nano silver into chemical fiber slices, and obtains antibacterial and antistatic fiber materials based on silver ions and halamines after melt spinning. The nano silver has not only excellent antibacterial property but also excellent conductive property, and can be used as an antistatic component to further improve the antistatic property of the fiber material. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1This is a process flow chart for preparing an antibacterial and antistatic fiber material based on silver ions and halamines in the present invention;

[0032] Figure 2 It is a bar graph of the antibacterial rate of the fiber materials prepared in the embodiments and comparative examples of the present invention in the performance test;

[0033] Figure 3 It is a bar graph of the specific resistance of the fiber materials prepared in the examples and comparative examples of the present invention in the performance test. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0035] Example 1

[0036] This embodiment discloses a method for preparing an antibacterial and antistatic fiber material based on silver ions and halamine, wherein the fiber material is nylon, and the preparation method comprises the following steps:

[0037] Step (1), preparing an antibacterial agent and an antistatic agent;

[0038] Wherein, the antibacterial agent is prepared by the following steps:

[0039] S11, the molecular sieve was mixed with a 0.05 mol / L silver nitrate aqueous solution at a mass ratio of 1:20, and the mixture was stirred in a dark environment at room temperature for 18 hours. After the reaction was completed, the filter was filtered, the filter cake was taken, and water 5 times the mass of the filter cake was added for washing, and the filter cake was dried at 70° C. for 10 hours to obtain a silver-loaded molecular sieve;

[0040] The silver-loaded molecular sieve, methyl methacrylate, styrene, water, ethanol, and azobisisobutylamidine hydrochloride were mixed in a mass ratio of 0.5:15:8:80:20:0.1, and reacted at 70°C for 5 hours. After the reaction was completed, the mixture was filtered, and the filter cake was taken. Ethanol and water with a mass of 5 times that of the filter cake were added in sequence for washing, and the mixture was dried at 50°C for 20 hours to obtain a modified silver-loaded molecular sieve.

[0041] S12, tetramethyl piperidinol and methanol are mixed and dissolved, and a 10wt% sodium hypochlorite aqueous solution is added, wherein the mass ratio of tetramethyl piperidinol, methanol and 10wt% sodium hypochlorite aqueous solution is 14:40:100, and the mixture is reacted at room temperature for 20 hours. After the reaction is completed, the mixture is filtered, a filter cake is taken, and water 5 times the mass of the filter cake is added for washing, and the mixture is dried at 50°C for 20 hours to obtain chlorinated piperidinol;

[0042] The piperidinol chloride, the modified silver-loaded molecular sieve, toluene and tetraisopropyl titanate were mixed in a mass ratio of 9:10:100:0.1, reacted at 110°C for 8 hours, filtered after the reaction, and the filter cake was taken, washed with ethanol 5 times the mass of the filter cake, and dried at 50°C for 26 hours to obtain an antibacterial agent;

[0043] Wherein, the antistatic agent is prepared by the following steps:

[0044] S21, mixing the hydroxy-terminated polyepichlorohydrin with acetone, and adding triethylamine dropwise in a nitrogen atmosphere, wherein the mass ratio of the hydroxy-terminated polyepichlorohydrin, acetone, and triethylamine is 40:150:30, and the dropping time is 20 min. After the dropping is completed, reacting for 10 h at 60 ° C in a nitrogen atmosphere, after the reaction is completed, removing the solvent acetone by rotary evaporation at 40 ° C, and drying at 50 ° C for 30 h to obtain a quaternary ammonium polyether;

[0045] S22, caprolactam, quaternized polyether, polyethylene glycol, 2,6-pyridinedicarboxylic acid, concentrated sulfuric acid, adipic acid, water, antimony trioxide, triphenyl phosphate in a mass ratio of 900:130:20:16:9:15:27:0.5:1 are mixed, and the mixture is reacted for 4 hours at a pressure of 0.8 MPa and a temperature of 190°C in a nitrogen atmosphere. After the reaction is completed, the mixture is reacted for 4 hours at a temperature of 230°C. After the reaction is completed, the mixture is reacted again at a pressure of 50 Pa and a temperature of 250°C for 2 hours. After the reaction is completed, the mixture is cooled to room temperature to obtain an antistatic agent;

[0046] Step (2), mixing nylon slices, antistatic agent, antibacterial agent and nanosilver in a mass ratio of 100:8:0.8:1, melt-extruded through a twin-screw melt spinning machine, with a melting section temperature of 260°C, spinning at a spinning speed of 1500 m / min, cooling, and stretching at a stretching speed of 600 m / min, with a stretching multiple of 2 times, to obtain an antibacterial and antistatic fiber material based on silver ions and halamine with a linear density of 70 dtex.

[0047] Example 2

[0048] This embodiment discloses a method for preparing an antibacterial and antistatic fiber material based on silver ions and halamine, wherein the fiber material is nylon, and the preparation method comprises the following steps:

[0049] Step (1), preparing an antibacterial agent and an antistatic agent;

[0050] Wherein, the antibacterial agent is prepared by the following steps:

[0051] S11, the molecular sieve was mixed with 0.06 mol / L silver nitrate aqueous solution at a mass ratio of 1:25, and the mixture was stirred in a dark environment at room temperature for 20 hours. After the reaction was completed, the filter was filtered, the filter cake was taken, and water 6 times the mass of the filter cake was added for washing, and the mixture was dried at 75° C. for 9 hours to obtain the silver-loaded molecular sieve;

[0052] The silver-loaded molecular sieve, methyl methacrylate, styrene, water, ethanol, and azobisisobutylamidine hydrochloride were mixed in a mass ratio of 0.5:16:8.5:85:25:0.11, and reacted at 75°C for 4 hours. After the reaction was completed, the filter was filtered, and the filter cake was taken, and ethanol and water with a mass of 5 times that of the filter cake were added in turn for washing, and dried at 55°C for 18 hours to obtain a modified silver-loaded molecular sieve;

[0053] S12, tetramethyl piperidinol and methanol are mixed and dissolved, and a 10wt% sodium hypochlorite aqueous solution is added, wherein the mass ratio of tetramethyl piperidinol, methanol and 10wt% sodium hypochlorite aqueous solution is 14.3:45:110, and the mixture is reacted at room temperature for 22h. After the reaction is completed, the mixture is filtered, a filter cake is taken, and water 5 times the mass of the filter cake is added for washing, and the mixture is dried at 55°C for 18h to obtain chlorinated piperidinol;

[0054] The piperidinol chloride, modified silver-loaded molecular sieve, toluene and tetraisopropyl titanate were mixed in a mass ratio of 9.3:10:120:0.1, reacted at 115°C for 7 hours, filtered after the reaction, took the filter cake, added ethanol 5 times the mass of the filter cake for washing, and dried at 55°C for 25 hours to obtain an antibacterial agent;

[0055] Wherein, the antistatic agent is prepared by the following steps:

[0056] S21, the terminal hydroxyl polyepichlorohydrin is mixed with acetone, triethylamine is added dropwise in a nitrogen atmosphere, the mass ratio of the terminal hydroxyl polyepichlorohydrin, acetone and triethylamine is 43:170:33, the dropping time is 25min, after the dropping is completed, the reaction is carried out in a nitrogen atmosphere at a temperature of 70°C for 9h, after the reaction is completed, the solvent acetone is removed by rotary evaporation at a temperature of 45°C, and the mixture is dried at a temperature of 55°C for 28h to obtain a quaternary ammonium polyether;

[0057] S22, caprolactam, quaternized polyether, polyethylene glycol, 2,6-pyridinedicarboxylic acid, concentrated sulfuric acid, adipic acid, water, antimony trioxide, triphenyl phosphate in a mass ratio of 900:133:17:17:9.5:14:28:0.55:1.5 are mixed, and the mixture is reacted for 3.5 hours at a pressure of 1 MPa and a temperature of 200°C in a nitrogen atmosphere. After the reaction is completed, the mixture is reacted for 3.5 hours at a temperature of 240°C. After the reaction is completed, the mixture is reacted again at a pressure of 80 Pa and a temperature of 255°C for 1.5 hours. After the reaction is completed, the mixture is cooled to room temperature to obtain an antistatic agent;

[0058] Step (2), mixing nylon slices, antistatic agent, antibacterial agent and nano silver in a mass ratio of 100:8.5:0.85:0.95, melt extruding through a twin-screw melt spinning machine, with a melting section temperature of 265° C., spinning at a spinning speed of 1800 m / min, cooling, and stretching at a stretching speed of 650 m / min, with a stretching multiple of 2.1 times, to obtain an antibacterial and antistatic fiber material based on silver ions and halamine with a linear density of 68 dtex.

[0059] Example 3

[0060] This embodiment discloses a method for preparing an antibacterial and antistatic fiber material based on silver ions and halamine, wherein the fiber material is nylon, and the preparation method comprises the following steps:

[0061] Step (1), preparing an antibacterial agent and an antistatic agent;

[0062] Wherein, the antibacterial agent is prepared by the following steps:

[0063] S11, the molecular sieve was mixed with 0.08 mol / L silver nitrate aqueous solution at a mass ratio of 1:25, and the mixture was stirred in a dark environment at room temperature for 21 hours. After the reaction was completed, the mixture was filtered, the filter cake was taken, and water 6 times the mass of the filter cake was added for washing, and the mixture was dried at 75° C. for 9 hours to obtain the silver-loaded molecular sieve;

[0064] The silver-loaded molecular sieve, methyl methacrylate, styrene, water, ethanol, and azobisisobutylamidine hydrochloride were mixed in a mass ratio of 0.5:16.5:9:90:30:0.13, and reacted at 75°C for 4 hours. After the reaction was completed, the mixture was filtered, and the filter cake was taken. Ethanol and water with a mass of 6 times that of the filter cake were added in sequence for washing, and the mixture was dried at 55°C for 18 hours to obtain a modified silver-loaded molecular sieve.

[0065] S12, tetramethyl piperidinol and methanol are mixed and dissolved, and a 10wt% sodium hypochlorite aqueous solution is added, wherein the mass ratio of tetramethyl piperidinol, methanol and 10wt% sodium hypochlorite aqueous solution is 14.5:45:120, and the mixture is reacted at room temperature for 22h. After the reaction is completed, the mixture is filtered, a filter cake is taken, and water 6 times the mass of the filter cake is added for washing, and the mixture is dried at 55°C for 18h to obtain chlorinated piperidinol;

[0066] The piperidinol chloride, modified silver-loaded molecular sieve, toluene and tetraisopropyl titanate were mixed in a mass ratio of 9.5:10:130:0.13, reacted at 115°C for 7 hours, filtered after the reaction, took the filter cake, added ethanol 6 times the mass of the filter cake for washing, and dried at 55°C for 25 hours to obtain an antibacterial agent;

[0067] Wherein, the antistatic agent is prepared by the following steps:

[0068] S21, the end hydroxyl polyepichlorohydrin is mixed with acetone, triethylamine is added dropwise in a nitrogen atmosphere, the mass ratio of the end hydroxyl polyepichlorohydrin, acetone and triethylamine is 45:180:35, the dropping time is 25min, after the dropwise addition is completed, the reaction is carried out in a nitrogen atmosphere at a temperature of 70°C for 9h, after the reaction is completed, the solvent acetone is removed by rotary evaporation at a temperature of 45°C, and the mixture is dried at a temperature of 55°C for 28h to obtain a quaternary ammonium polyether;

[0069] S22, caprolactam, quaternized polyether, polyethylene glycol, 2,6-pyridinedicarboxylic acid, concentrated sulfuric acid, adipic acid, water, antimony trioxide, triphenyl phosphate in a mass ratio of 900:135:15:18:9.5:13:28.5:0.55:1.5 are mixed, and the mixture is reacted for 3.5 hours at a pressure of 1 MPa and a temperature of 200°C in a nitrogen atmosphere. After the reaction is completed, the mixture is reacted for 3.5 hours at a temperature of 240°C. After the reaction is completed, the mixture is reacted again at a pressure of 80 Pa and a temperature of 255°C for 1.5 hours. After the reaction is completed, the mixture is cooled to room temperature to obtain an antistatic agent;

[0070] Step (2), mixing nylon slices, antistatic agent, antibacterial agent and nanosilver in a mass ratio of 100:9:0.9:0.9, melt-extruded through a twin-screw melt spinning machine, with a melting section temperature of 270° C., spinning at a spinning speed of 2000 m / min, cooling, and stretching at a stretching speed of 700 m / min, with a stretching multiple of 2.3 times, to obtain an antibacterial and antistatic fiber material based on silver ions and halamine with a linear density of 65 dtex.

[0071] Example 4

[0072] This embodiment discloses a method for preparing an antibacterial and antistatic fiber material based on silver ions and halamine, wherein the fiber material is nylon, and the preparation method comprises the following steps:

[0073] Step (1), preparing an antibacterial agent and an antistatic agent;

[0074] Wherein, the antibacterial agent is prepared by the following steps:

[0075] S11, the molecular sieve was mixed with 0.09 mol / L silver nitrate aqueous solution at a mass ratio of 1:25, and the mixture was stirred in a dark environment at room temperature for 22 hours. After the reaction was completed, the mixture was filtered, the filter cake was taken, and water 8 times the mass of the filter cake was added for washing, and the mixture was dried at 75° C. for 9 hours to obtain the silver-loaded molecular sieve;

[0076] The silver-loaded molecular sieve, methyl methacrylate, styrene, water, ethanol, and azobisisobutylamidine hydrochloride were mixed in a mass ratio of 0.5:17:9.5:95:35:0.13, and reacted at 75°C for 4 hours. After the reaction was completed, the filter cake was filtered, and ethanol and water in an amount of 8 times the mass of the filter cake were added to wash the filter cake, and the filter cake was dried at 55°C for 18 hours to obtain a modified silver-loaded molecular sieve.

[0077] S12, tetramethyl piperidinol and methanol are mixed and dissolved, and a 10wt% sodium hypochlorite aqueous solution is added, wherein the mass ratio of tetramethyl piperidinol, methanol and 10wt% sodium hypochlorite aqueous solution is 14.8:48:125, and the mixture is reacted at room temperature for 22h. After the reaction is completed, the mixture is filtered, a filter cake is taken, and water 8 times the mass of the filter cake is added for washing, and the mixture is dried at 55°C for 18h to obtain chlorinated piperidinol;

[0078] The piperidinol chloride, modified silver-loaded molecular sieve, toluene and tetraisopropyl titanate were mixed in a mass ratio of 9.8:10:140:0.13, reacted at 115°C for 7 hours, filtered after the reaction, took the filter cake, added ethanol 8 times the mass of the filter cake for washing, and dried at 55°C for 25 hours to obtain an antibacterial agent;

[0079] Wherein, the antistatic agent is prepared by the following steps:

[0080] S21, mixing the hydroxy-terminated polyepichlorohydrin with acetone, and adding triethylamine dropwise in a nitrogen atmosphere, wherein the mass ratio of the hydroxy-terminated polyepichlorohydrin, acetone, and triethylamine is 48:190:38, and the dropping time is 25 min. After the dropping is completed, reacting in a nitrogen atmosphere at a temperature of 70° C. for 9 h, after the reaction is completed, removing the solvent acetone by rotary evaporation at a temperature of 45° C., and drying at a temperature of 55° C. for 28 h to obtain a quaternized polyether;

[0081] S22, caprolactam, quaternized polyether, polyethylene glycol, 2,6-pyridinedicarboxylic acid, concentrated sulfuric acid, adipic acid, water, antimony trioxide, triphenyl phosphate in a mass ratio of 900:138:12:19:9.8:12:29:0.55:1.5 are mixed, and the mixture is reacted for 3.5 hours at a pressure of 1 MPa and a temperature of 200°C in a nitrogen atmosphere. After the reaction is completed, the mixture is reacted for 3.5 hours at a temperature of 240°C. After the reaction is completed, the mixture is reacted again at a pressure of 80 Pa and a temperature of 255°C for 1.5 hours. After the reaction is completed, the mixture is cooled to room temperature to obtain an antistatic agent;

[0082] Step (2), mixing nylon slices, antistatic agent, antibacterial agent and nano silver in a mass ratio of 100:9.5:0.95:0.85, melt extruding through a twin-screw melt spinning machine, with a melting section temperature of 275° C., spinning at a spinning speed of 2200 m / min, cooling, and stretching at a stretching speed of 750 m / min, with a stretching multiple of 2.4 times, to obtain an antibacterial and antistatic fiber material based on silver ions and halamine with a linear density of 63 dtex.

[0083] Example 5

[0084] This embodiment discloses a method for preparing an antibacterial and antistatic fiber material based on silver ions and halamine, wherein the fiber material is nylon, and the preparation method comprises the following steps:

[0085] Step (1), preparing an antibacterial agent and an antistatic agent;

[0086] Wherein, the antibacterial agent is prepared by the following steps:

[0087] S11, mixing the molecular sieve with 0.1 mol / L silver nitrate aqueous solution at a mass ratio of 1:30, stirring and reacting for 24 hours at room temperature in a light-proof environment, after the reaction is completed, filtering, taking the filter cake, adding water 8 times the mass of the filter cake to wash, and drying at 80° C. for 8 hours to obtain the silver-loaded molecular sieve;

[0088] The silver-loaded molecular sieve, methyl methacrylate, styrene, water, ethanol, and azobisisobutylamidine hydrochloride were mixed in a mass ratio of 0.5:18:10:100:40:0.15, and reacted at 80°C for 3 hours. After the reaction was completed, the mixture was filtered, and the filter cake was taken. Ethanol and water in an amount of 8 times the mass of the filter cake were added in sequence for washing, and the mixture was dried at 60°C for 16 hours to obtain a modified silver-loaded molecular sieve.

[0089] S12, tetramethyl piperidinol and methanol are mixed and dissolved, and a 10wt% sodium hypochlorite aqueous solution is added, wherein the mass ratio of tetramethyl piperidinol, methanol and 10wt% sodium hypochlorite aqueous solution is 15:50:130, and the mixture is reacted at room temperature for 24h. After the reaction is completed, the mixture is filtered, a filter cake is taken, and water 8 times the mass of the filter cake is added for washing, and the mixture is dried at 60°C for 16h to obtain chlorinated piperidinol;

[0090] The piperidinol chloride, the modified silver-loaded molecular sieve, toluene and tetraisopropyl titanate were mixed in a mass ratio of 10:10:150:0.15, reacted at 120°C for 6 hours, filtered after the reaction, took the filter cake, added ethanol 8 times the mass of the filter cake for washing, and dried at 60°C for 24 hours to obtain an antibacterial agent;

[0091] Wherein, the antistatic agent is prepared by the following steps:

[0092] S21, mixing the hydroxy-terminated polyepichlorohydrin with acetone, adding triethylamine dropwise in a nitrogen atmosphere, the mass ratio of the hydroxy-terminated polyepichlorohydrin, acetone and triethylamine being 50:200:40, the dropping time being 30 min, after the dropping is completed, reacting in a nitrogen atmosphere at a temperature of 80° C. for 8 h, after the reaction is completed, removing the solvent acetone by rotary evaporation at a temperature of 50° C., and drying at a temperature of 60° C. for 24 h to obtain a quaternized polyether;

[0093] S22, caprolactam, quaternized polyether, polyethylene glycol, 2,6-pyridinedicarboxylic acid, concentrated sulfuric acid, adipic acid, water, antimony trioxide, triphenyl phosphate in a mass ratio of 900:140:10:20:10:10:30:0.6:2, react for 3 hours in a nitrogen atmosphere at a pressure of 1.2 MPa and a temperature of 210°C, and continue to react for 3 hours at a temperature of 250°C after the reaction is completed. After the reaction is completed, react again at a pressure of 100 Pa and a temperature of 260°C for 1 hour. After the reaction is completed, cool to room temperature to obtain an antistatic agent;

[0094] Step (2), mixing nylon slices, antistatic agent, antibacterial agent and nanosilver in a mass ratio of 100:10:1:0.8, melt-extruded through a twin-screw melt spinning machine, with a melting section temperature of 280° C., spinning at a spinning speed of 2400 m / min, cooling, and stretching at a stretching speed of 800 m / min, with a stretching multiple of 2.6 times, to obtain an antibacterial and antistatic fiber material based on silver ions and halamine with a linear density of 60 dtex.

[0095] Example 6

[0096] This embodiment discloses a method for preparing an antibacterial and antistatic fiber material based on silver ions and halamine, wherein the fiber material is polyester, and the preparation method comprises the following steps:

[0097] The polyester slices, antistatic agent, antibacterial agent and nanosilver are mixed in a mass ratio of 100:8:0.8:1, melt-extruded through a twin-screw melt spinning machine, the melting section temperature is 260°C, spinning is performed at a spinning speed of 1500m / min, cooling, and drafting is performed at a drafting speed of 600m / min, and the drafting multiple is 2 times, to obtain an antibacterial and antistatic fiber material based on silver ions and halamine with a linear density of 70dtex;

[0098] The preparation of the antistatic agent and the antibacterial agent is the same as that in Example 1.

[0099] Example 7

[0100] This embodiment discloses a method for preparing an antibacterial and antistatic fiber material based on silver ions and halamine, wherein the fiber material is polypropylene, and the preparation method comprises the following steps:

[0101] The polypropylene fiber slices, antistatic agent, antibacterial agent and nano silver are mixed in a mass ratio of 100:8:0.8:1, melt-extruded by a twin-screw melt spinning machine, the melting section temperature is 260°C, spinning is performed at a spinning speed of 1500 m / min, cooling, and drafting is performed at a drafting speed of 600 m / min, and the drafting multiple is 2 times, to obtain an antibacterial and antistatic fiber material based on silver ions and halamine with a linear density of 70 dtex;

[0102] The preparation of the antistatic agent and the antibacterial agent is the same as that in Example 1.

[0103] Comparative Example 1

[0104] This embodiment discloses a method for preparing a fiber material, wherein the fiber material is nylon, and the preparation method comprises the following steps:

[0105] Step (1), preparing an antibacterial agent and an antistatic agent;

[0106] Wherein, the antibacterial agent is prepared by the following steps:

[0107] S11, molecular sieve, methyl methacrylate, styrene, water, ethanol, azobisisobutylamidine hydrochloride in a mass ratio of 0.5:15:8:80:20:0.1, react at 70°C for 5 hours, filter after the reaction, take the filter cake, add ethanol and water 5 times the mass of the filter cake in turn for washing, and dry at 50°C for 20 hours to obtain a modified molecular sieve;

[0108] S12, tetramethyl piperidinol and methanol are mixed and dissolved, and a 10wt% sodium hypochlorite aqueous solution is added, wherein the mass ratio of tetramethyl piperidinol, methanol and 10wt% sodium hypochlorite aqueous solution is 14:40:100, and the mixture is reacted at room temperature for 20 hours. After the reaction is completed, the mixture is filtered, a filter cake is taken, and water 5 times the mass of the filter cake is added for washing, and the mixture is dried at 50°C for 20 hours to obtain chlorinated piperidinol;

[0109] The piperidinol chloride, modified molecular sieve, toluene and tetraisopropyl titanate were mixed in a mass ratio of 9:10:100:0.1, reacted at 110°C for 8 hours, filtered after the reaction, took the filter cake, added ethanol 5 times the mass of the filter cake for washing, and dried at 50°C for 26 hours to obtain an antibacterial agent;

[0110] Wherein, the antistatic agent is prepared by the following steps:

[0111] S21, mixing the hydroxy-terminated polyepichlorohydrin with acetone, and adding triethylamine dropwise in a nitrogen atmosphere, wherein the mass ratio of the hydroxy-terminated polyepichlorohydrin, acetone, and triethylamine is 40:150:30, and the dropping time is 20 min. After the dropping is completed, reacting for 10 h at 60 ° C in a nitrogen atmosphere, after the reaction is completed, removing the solvent acetone by rotary evaporation at 40 ° C, and drying at 50 ° C for 30 h to obtain a quaternary ammonium polyether;

[0112] S22, caprolactam, quaternized polyether, polyethylene glycol, 2,6-pyridinedicarboxylic acid, concentrated sulfuric acid, adipic acid, water, antimony trioxide, triphenyl phosphate in a mass ratio of 900:130:20:16:9:15:27:0.5:1 are mixed, and the mixture is reacted for 4 hours at a pressure of 0.8 MPa and a temperature of 190°C in a nitrogen atmosphere. After the reaction is completed, the mixture is reacted for 4 hours at a temperature of 230°C. After the reaction is completed, the mixture is reacted again at a pressure of 50 Pa and a temperature of 250°C for 2 hours. After the reaction is completed, the mixture is cooled to room temperature to obtain an antistatic agent;

[0113] Step (2), mixing nylon chips, antistatic agent and antibacterial agent in a mass ratio of 100:8:1.8, melt-extruded through a twin-screw melt spinning machine, with a melting section temperature of 260° C., spinning at a spinning speed of 1500 m / min, cooling, and stretching at a stretching speed of 600 m / min, with a stretching multiple of 2, to obtain a fiber material with a linear density of 70 dtex.

[0114] Comparative Example 2

[0115] This embodiment discloses a method for preparing a fiber material, wherein the fiber material is nylon, and the preparation method comprises the following steps:

[0116] Step (1), preparing an antibacterial agent and an antistatic agent;

[0117] Wherein, the antibacterial agent is prepared by the following steps:

[0118] S11, the molecular sieve was mixed with a 0.05 mol / L silver nitrate aqueous solution at a mass ratio of 1:20, and the mixture was stirred in a dark environment at room temperature for 18 hours. After the reaction was completed, the filter was filtered, the filter cake was taken, and water 5 times the mass of the filter cake was added for washing, and the filter cake was dried at 70° C. for 10 hours to obtain a silver-loaded molecular sieve;

[0119] The silver-loaded molecular sieve, methyl methacrylate, styrene, water, ethanol, and azobisisobutylamidine hydrochloride were mixed in a mass ratio of 0.5:15:8:80:20:0.1, and reacted at 70°C for 5 hours. After the reaction was completed, the mixture was filtered, and the filter cake was taken. Ethanol and water with a mass of 5 times that of the filter cake were added in sequence for washing, and the mixture was dried at 50°C for 20 hours to obtain a modified silver-loaded molecular sieve.

[0120] S12, tetramethyl piperidinol and methanol are mixed and dissolved, and a 10wt% sodium hypochlorite aqueous solution is added, wherein the mass ratio of tetramethyl piperidinol, methanol and 10wt% sodium hypochlorite aqueous solution is 14:40:100, and the mixture is reacted at room temperature for 20 hours. After the reaction is completed, the mixture is filtered, a filter cake is taken, and water 5 times the mass of the filter cake is added for washing, and the mixture is dried at 50°C for 20 hours to obtain chlorinated piperidinol;

[0121] The piperidinol chloride, the modified silver-loaded molecular sieve, toluene and tetraisopropyl titanate were mixed in a mass ratio of 9:10:100:0.1, reacted at 110°C for 8 hours, filtered after the reaction, and the filter cake was taken, washed with ethanol 5 times the mass of the filter cake, and dried at 50°C for 26 hours to obtain an antibacterial agent;

[0122] Wherein, the antistatic agent is prepared by the following steps:

[0123] Caprolactam, polyethylene glycol, concentrated sulfuric acid, adipic acid, water, antimony trioxide, and triphenyl phosphate were mixed in a mass ratio of 900:150:9:31:27:0.5:1, reacted for 4 hours in a nitrogen atmosphere at a pressure of 0.8 MPa and a temperature of 190° C., and after the reaction was completed, the reaction was continued at a temperature of 230° C. for 4 hours. After the reaction was completed, the reaction was again carried out at a pressure of 50 Pa and a temperature of 250° C. for 2 hours. After the reaction was completed, the reaction was cooled to room temperature to obtain an antistatic agent;

[0124] Step (2), mixing nylon slices, antistatic agent, antibacterial agent and nano silver in a mass ratio of 100:8:0.8:1, melt-extruded at 260° C. through a twin-screw melt spinning machine, spinning at a spinning speed of 1500 m / min, cooling, and stretching at a stretching speed of 600 m / min, with a stretching multiple of 2, to obtain a fiber material with a linear density of 70 dtex.

[0125] Comparative Example 3

[0126] This embodiment discloses a method for preparing a fiber material, wherein the fiber material is nylon, and the preparation method comprises the following steps:

[0127] Step (1), preparing a modified silver-loaded molecular sieve and an antistatic agent;

[0128] The modified silver-loaded molecular sieve is prepared by the following steps:

[0129] S11, the molecular sieve was mixed with a 0.05 mol / L silver nitrate aqueous solution at a mass ratio of 1:20, and the mixture was stirred in a dark environment at room temperature for 18 hours. After the reaction was completed, the filter was filtered, the filter cake was taken, and water 5 times the mass of the filter cake was added for washing, and the filter cake was dried at 70° C. for 10 hours to obtain a silver-loaded molecular sieve;

[0130] The silver-loaded molecular sieve, methyl methacrylate, styrene, water, ethanol, and azobisisobutylamidine hydrochloride were mixed in a mass ratio of 0.5:15:8:80:20:0.1, and reacted at 70°C for 5 hours. After the reaction was completed, the mixture was filtered, and the filter cake was taken. Ethanol and water with a mass of 5 times that of the filter cake were added in sequence for washing, and the mixture was dried at 50°C for 20 hours to obtain a modified silver-loaded molecular sieve.

[0131] Wherein, the antistatic agent is prepared by the following steps:

[0132] S21, mixing the hydroxy-terminated polyepichlorohydrin with acetone, and adding triethylamine dropwise in a nitrogen atmosphere, wherein the mass ratio of the hydroxy-terminated polyepichlorohydrin, acetone, and triethylamine is 40:150:30, and the dropping time is 20 min. After the dropping is completed, reacting for 10 h at 60 ° C in a nitrogen atmosphere, after the reaction is completed, removing the solvent acetone by rotary evaporation at 40 ° C, and drying at 50 ° C for 30 h to obtain a quaternary ammonium polyether;

[0133] S22, caprolactam, quaternized polyether, polyethylene glycol, 2,6-pyridinedicarboxylic acid, concentrated sulfuric acid, adipic acid, water, antimony trioxide, triphenyl phosphate in a mass ratio of 900:130:20:16:9:15:27:0.5:1 are mixed, and the mixture is reacted for 4 hours at a pressure of 0.8 MPa and a temperature of 190°C in a nitrogen atmosphere. After the reaction is completed, the mixture is reacted for 4 hours at a temperature of 230°C. After the reaction is completed, the mixture is reacted again at a pressure of 50 Pa and a temperature of 250°C for 2 hours. After the reaction is completed, the mixture is cooled to room temperature to obtain an antistatic agent;

[0134] Step (2), mixing nylon chips, antistatic agent, modified silver-loaded molecular sieve and nanosilver in a mass ratio of 100:8:0.8:1, melt-extruded at 260° C. through a twin-screw melt spinning machine, spinning at a spinning speed of 1500 m / min, cooling, and stretching at a stretching speed of 600 m / min, with a stretching multiple of 2, to obtain a fiber material with a linear density of 70 dtex.

[0135] In the above embodiments and comparative examples: molecular sieves are from Shanghai Bid Pharmaceutical Technology Co., Ltd., product name 4A molecular sieve, specification powder; methyl methacrylate is from Shandong Poly Chemical Co., Ltd., CAS number: 80-62-6; styrene is from Guangdong Wengjiang Chemical Reagent Co., Ltd., CAS number: 100-42-5; azobisisobutylamidine hydrochloride is from Jinan Yunuo Chemical Co., Ltd., CAS number: 2997-92-4; tetramethylpiperidinol is from Jiangsu Runfeng Synthetic Technology Co., Ltd., CAS number: 2403-88-5; tetraisopropyl titanate is from Shanghai McLean Biochemical Technology Co., Ltd., CAS number: 546-68-9; terminal hydroxy polyepichlorohydrin is from Wuhan Kemik Biopharmaceutical Technology Co., Ltd., with an average molecular weight of 1000; triethylamine is from Nanjing Chemical Reagent Co., Ltd. Co., Ltd., CAS No.: 121-44-8; caprolactam comes from Shanghai Aladdin Biochemical Technology Co., Ltd., CAS No.: 105-60-2; polyethylene glycol comes from Shanghai MacLean Biochemical Technology Co., Ltd., product name polyethylene glycol 400; 2,6-pyridinedicarboxylic acid comes from Shanghai MacLean Biochemical Technology Co., Ltd., CAS No.: 499-83-2; adipic acid comes from AlfaAesar, CAS No.: 124-04-9; antimony trioxide comes from Shandong Poly Chemical Co., Ltd., CAS No.: 1309-64-4; concentrated sulfuric acid comes from Shanghai MacLean Biochemical Technology Co., Ltd., specification 96wt% sulfuric acid aqueous solution; nanosilver comes from Shanghai MacLean Biochemical Technology Co., Ltd., specification 60nm; nylon chips, polyester chips, and polypropylene chips are all commercially available spinning grade chips.

[0136] Test example

[0137] The fiber materials prepared in the examples and comparative examples were tested for performance, and the specific test results are shown in Tables 1 and 2:

[0138] Table 1

[0139]

[0140] Table 2

[0141]

[0142] The tests of various indicators in Table 1 and Table 2 are based on the following standards: the breaking strength is measured with reference to GB / T9997-1988 "Determination of breaking strength and breaking elongation of chemical fiber single fiber"; the antibacterial rate is measured with reference to GB / T20944.3-2008 "Evaluation of antibacterial properties of textiles Part 3: Oscillation method", in which Escherichia coli is selected as the bacteria; the electrostatic voltage half-life is measured with reference to GB / T12703 "Evaluation of electrostatic properties of textiles".

[0143] It can be seen from the test results in Table 1 and Table 2 that the antibacterial and antistatic fiber material based on silver ions and halamine prepared in the present invention has excellent antibacterial and antistatic properties.

[0144] The antibacterial agent of the invention contains two antibacterial components, namely, halamine antibacterial monomer chlorinated piperidinol and silver-loaded molecular sieve, and has excellent antibacterial performance; the quaternized polyether segment in the antistatic agent can improve the hygroscopicity and antibacterial performance of the antistatic agent; the pyridine ring structure can be used as a ligand to react with silver ions to form a coordination bond, thereby reducing the migration of silver ion antibacterial components in the fiber material and improving the antibacterial durability of the fiber material; the nano silver has not only excellent antibacterial performance but also excellent electrical conductivity, and can be used as an antistatic component to further improve the antistatic performance of the fiber material.

[0145] In Comparative Example 1, the molecular sieve does not use the ion exchange method to introduce silver ions, nor does it add nanosilver. The fiber material lacks nanosilver and silver-loaded molecular sieve as antibacterial components, and lacks the effect of nanosilver on improving the antistatic properties of the fiber material. Therefore, the antibacterial and antistatic properties of Comparative Example 1 are lower than those of the embodiment.

[0146] In Comparative Example 2, no quaternized polyether and 2,6-pyridinedicarboxylic acid are added to the antistatic agent, and the quaternary ammonium salt structure in the quaternized polyether is lacking in improving the antibacterial properties of the fiber material, and the coordination effect of 2,6-pyridinedicarboxylic acid on the silver ions in the fiber material is lacking, so the antibacterial property of Comparative Example 2 is lower than that of the embodiment, and the reduction in the antibacterial rate after washing is higher than that of the embodiment;

[0147] The modified silver-loaded molecular sieve in Comparative Example 3 did not react with piperidinol chloride, and lacked the effect of piperidinol chloride as a halamine antibacterial component to improve the antibacterial properties of the fiber material, so the antibacterial property of Comparative Example 3 was lower than that of the embodiment.

[0148] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A method for preparing an antibacterial and antistatic fiber material based on silver ions and halamines, characterized in that: The following steps are involved: Step (1), preparing an antibacterial agent and an antistatic agent; Wherein, the antibacterial agent is prepared by the following steps: S11, mixing the silver-loaded molecular sieve, methyl methacrylate, styrene, water, ethanol, and azobisisobutylamidine hydrochloride, reacting, filtering, washing, and drying after the reaction is completed to obtain a modified silver-loaded molecular sieve; S12, dissolving tetramethyl piperidinol and methanol, adding 10 wt % sodium hypochlorite aqueous solution, reacting at room temperature for 20-24 h, filtering, washing, and drying after the reaction to obtain chlorinated piperidinol; Wherein, the mass ratio of tetramethyl piperidinol, methanol and 10wt% sodium hypochlorite aqueous solution is 14-15:40-50:100-130; The piperidinol chloride, modified silver-loaded molecular sieve, toluene and tetraisopropyl titanate are mixed and reacted. After the reaction is completed, the mixture is filtered, washed and dried to obtain an antibacterial agent. The mass ratio of the piperidinol chloride, modified silver-loaded molecular sieve, toluene and tetraisopropyl titanate is 9-10:10:100-150:0.1-0.

15. The reaction conditions are: reacting at a temperature of 110-120°C for 6-8h. Wherein, the antistatic agent is prepared by the following steps: The steps of mixing caprolactam, quaternary ammonium polyether, polyethylene glycol, 2,6-pyridinedicarboxylic acid, concentrated sulfuric acid, adipic acid, water, antimony trioxide and triphenyl phosphate are reacted, and after the reaction is completed, the reaction is continued, and after the reaction is completed, the reaction is repeated, and after the reaction is completed, the mixture is cooled to room temperature to obtain an antistatic agent; the mass ratio of caprolactam, quaternary ammonium polyether, polyethylene glycol, 2,6-pyridinedicarboxylic acid, concentrated sulfuric acid, adipic acid, water, antimony trioxide and triphenyl phosphate is 900:130-140:10-20:16-20:9-10:10-15:27-30:0.5-0.6:1-2; Step (2), mixing chemical fiber slices, antistatic agent, antibacterial agent and nano-silver, melt spinning, cooling and stretching, to obtain antibacterial and antistatic fiber material based on silver ions and halamine; the mass ratio of chemical fiber slices, antistatic agent, antibacterial agent and nano-silver is 100:8-10:0.8-1:0.8-1.

2. The method for preparing the antibacterial and antistatic fiber material based on silver ions and halamine according to claim 1, characterized in that: When the antibacterial agent is prepared in step (1), the silver-loaded molecular sieve in S11 is prepared by the following steps: The molecular sieve is mixed with a silver nitrate aqueous solution, reacted, filtered, washed, and dried after the reaction is completed to obtain a silver-loaded molecular sieve; The mass ratio of the molecular sieve to the silver nitrate aqueous solution is 1:20-30, and the silver nitrate aqueous solution is 0.05-0.1 mol / L silver nitrate aqueous solution; the reaction conditions are: stirring the reaction at room temperature in a light-proof environment for 18-24 hours.

3. The method for preparing the antibacterial and antistatic fiber material based on silver ions and halamine according to claim 1, characterized in that: When preparing the antibacterial agent in step (1), in S11: the mass ratio of silver-loaded molecular sieve, methyl methacrylate, styrene, water, ethanol, and azobisisobutylamidine hydrochloride is 0.5:15-18:8-10:80-100:20-40:0.1-0.15; and the reaction conditions are: reacting at a temperature of 70-80° C. for 3-5 hours.

4. The method for preparing the antibacterial and antistatic fiber material based on silver ions and halamine according to claim 1, characterized in that: When the antistatic agent is prepared in step (1), the quaternary ammonium polyether is prepared by the following steps: The hydroxy-terminated polyepichlorohydrin is mixed with acetone, triethylamine is added dropwise, and after the addition is complete, the mixture is reacted. After the reaction is complete, the solvent acetone is removed by rotary evaporation, and the mixture is dried to obtain a quaternary ammonium polyether; The mass ratio of terminal hydroxyl polyepichlorohydrin, acetone and triethylamine is 40-50:150-200:30-40; the dripping condition of triethylamine is: dripping for 20-30 minutes in a nitrogen atmosphere; the reaction condition is: reacting for 8-10 hours in a nitrogen atmosphere at a temperature of 60-80°C.

5. The method for preparing the antibacterial and antistatic fiber material based on silver ions and halamine according to claim 1, characterized in that: When preparing the antistatic agent in step (1), the reaction conditions are: reacting in a nitrogen atmosphere at a pressure of 0.8-1.2 MPa and a temperature of 190-210°C for 3-4 hours; continuing the reaction conditions are: continuing the reaction in a nitrogen atmosphere at a pressure of 0.8-1.2 MPa and a temperature of 230-250°C for 3-4 hours; and the second reaction conditions are: reacting again at a pressure of 50-100 Pa and a temperature of 250-260°C for 1-2 hours.

6. The method for preparing the antibacterial and antistatic fiber material based on silver ions and halamine according to claim 1, characterized in that: In the step (2), the melt spinning operation includes: melt extrusion through a twin-screw melt spinning machine, the temperature of the melt section is 260-270°C, spinning at a spinning speed of 1500-2400 m / min, cooling, and stretching at a stretching speed of 600-800 m / min, with a stretching multiple of 2-2.6 times.

7. The method for preparing the antibacterial and antistatic fiber material based on silver ions and halamine according to claim 1, characterized in that: In the step (2), the chemical fiber slices are polyester slices, nylon slices or polypropylene slices.

8. An antibacterial and antistatic fiber material based on silver ions and halamines prepared by the method for preparing an antibacterial and antistatic fiber material based on silver ions and halamines as described in any one of claims 1 to 7.

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