CN113529196A - Antibacterial and deodorant fiber material for face washing towel and preparation method thereof - Google Patents
Antibacterial and deodorant fiber material for face washing towel and preparation method thereof Download PDFInfo
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
- D01F2/24—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F251/00—Macromolecular compounds obtained by polymerising monomers on to polysaccharides or derivatives thereof
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
- D01F1/103—Agents inhibiting growth of microorganisms
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Abstract
The invention discloses a bacteriostatic deodorant fiber material for face washing towel and a preparation method thereof, the bacteriostatic deodorant fiber material is prepared by combining synergistic fibers, acrylic fibers and vinylon, the synergistic fibers have good moisture absorption performance, a large amount of beta-cyclodextrin is grafted on the fibers, the beta-cyclodextrin has good deodorant effect, meanwhile, the surface also has a large amount of quaternary ammonium salt structure and halamine structure, so that the surface charge density is high, bacteria can be well adsorbed, when the bacteria contact the synergistic fibers, positive halogen ions released by the halamine compound and having positive charges are combined with receptors in cells, so that the synthesis of enzyme or the metabolism of the cells is hindered, meanwhile, the quaternary ammonium salt can be combined with phospholipid bilayer in the cell membrane to destroy the composition of the cell membrane, so that RNA, DNA and potassium ions in the cells are leaked, further the bacteria are killed, and simultaneously compared with the traditional antibacterial fibers, the fiber material has a more durable antibacterial effect, and the antibacterial effect is not reduced due to repeated use of the towel.
Description
Technical Field
The invention relates to the technical field of fiber preparation, in particular to a bacteriostatic deodorant fiber material for a face towel and a preparation method thereof.
Background
The face washing towel products are large-scale and wide-range daily textiles, on one hand, the face washing towel products are high in use frequency and are often placed in environments with high humidity such as a bathroom and the like, bacteria are easy to breed, on the other hand, in hot summer, the face washing towel products are often used as sweat wiping articles, under the sweat environment with high temperature, high humidity and abundant human body dander and the like, the bacteria are easy to breed, peculiar smell usually appears in one day, and therefore the face washing towel products need antibacterial performance to prevent the transfer of bacteria in different users and the occurrence of unpleasant taste;
the best antibacterial face washing towel should meet the following controllable antibacterial conditions, namely, the towel has good and lasting antibacterial effect in the environment with mass propagation of bacteria, namely, the conditions of humidity, high temperature, rich nutrient substances and the like, the existing towel generates peculiar smell when being placed in a non-ventilated environment after being used, and the antibacterial effect of the face washing towel after being used for many times is obviously reduced, so that the normal use is influenced.
Disclosure of Invention
The invention aims to provide a bacteriostatic deodorant fiber material for a face washing towel and a preparation method thereof.
The purpose of the invention can be realized by the following technical scheme:
an antibacterial deodorant fiber material for face towel is prepared by combining synergistic fiber, acrylic fiber and vinylon;
the synergistic fiber is prepared by the following steps:
step A1: adding 2, 2-bis (4-hydroxyphenyl) propane, potassium carbonate, dimethyl sulfate and acetone into a reaction kettle, refluxing for 3-5h at the temperature of 90-100 ℃ to obtain an intermediate 1, adding the intermediate 1, potassium permanganate and deionized water into the reaction kettle, refluxing for 1-2h at the rotation speed of 120-plus-150 r/min and the temperature of 110-plus-120 ℃ to obtain an intermediate 2, adding the intermediate 2 and a hydrochloric acid solution into the reaction kettle, refluxing for 5-8h at the temperature of 115-plus-120 ℃ to obtain an intermediate 3, adding the intermediate 3, beta-cyclodextrin, concentrated sulfuric acid and dichloromethane into the reaction kettle, reacting for 3-5h at the rotation speed of 150-plus-200 r/min and the temperature of 80-90 ℃, to prepare an intermediate 4;
the reaction process is as follows:
step A2: adding the intermediate 4, vinyl bromide and sodium hydroxide into a reaction kettle, stirring for 10-15h at the rotation speed of 150-200r/min and the temperature of 10-15 ℃, adjusting the pH value of a reaction solution to 4-5 to prepare an intermediate 5, dissolving carboxymethyl chitosan into deionized water, adding the intermediate 5, 1-hydroxybenzotriazole, ethylenediamine and ethanol, and reacting for 5-8h at the temperature of 50-60 ℃ to prepare an intermediate 6;
the reaction process is as follows:
step A3: adding 5, 5-dimethylhydantoin, sodium hydroxide and ethanol into a reaction kettle, stirring and refluxing for 10-15min at the rotation speed of 150-;
the reaction process is as follows:
step A4: adding 2- (dimethylamino) ethyl methacrylate, benzyl chloride, dichloromethane and hydroquinone into a reaction kettle, performing reflux reaction for 5-7h at the temperature of 70-80 ℃ to obtain an intermediate 9, adding the intermediate 6, the intermediate 8, the intermediate 9 and ethanol into the reaction kettle, introducing nitrogen for protection, adding azobisisobutyronitrile, reacting for 10-15h at the rotation speed of 150-200r/min and the temperature of 70-80 ℃ to obtain an intermediate 10, dissolving the intermediate 10 in N, N-dimethylformamide, adding sepiolite powder and trehalose saturated aqueous solution, stirring for 1-1.5h at the rotation speed of 2000-3000r/min, adding cellulose sulfonate and sodium hydroxide solution, continuously stirring for 20-30min, spinning at the spinning speed of 15-20m/min to obtain the synergistic fiber.
The reaction process is as follows:
further, the mole ratio of the 2, 2-bis (4-hydroxyphenyl) propane, the potassium carbonate and the dimethyl sulfate in the step A1 is 1: 1: 2, the dosage ratio of the intermediate 1, the potassium permanganate and the deionized water is 2.8 g: 5.3 g: 100mL, the dosage ratio of the intermediate 2 to the hydrochloric acid solution is 1 g: 5mL, the mass fraction of the hydrochloric acid solution is 15%, and the dosage ratio of the intermediate 3, the beta-cyclodextrin, the concentrated sulfuric acid and the dichloromethane is 1 g: 3.5 g: 10mL of: 20mL, the mass fraction of concentrated sulfuric acid is 95%.
Further, the intermediate 4, vinyl bromide and sodium hydroxide in the step A2 are obtained by mixing the following raw materials in a molar ratio of 1: 2: 2, the dosage mass ratio of the carboxymethyl chitosan, the intermediate 5, the 1-hydroxybenzotriazole and the ethylenediamine is 5: 1: 1.1: 1.5.
further, the amount of the 5, 5-dimethylhydantoin, the sodium hydroxide and the 1-bromo-2-chloroethane in the step A3 is 0.01 mol: 0.01 mol: 10mL, wherein the molar ratio of the intermediate 7 to the p-hydroxystyrene to the sodium carbonate to the sodium hypochlorite solution is 0.01: 0.01: 0.01: 15mL, and the mass fraction of the sodium hypochlorite solution is 10%.
Further, the dosage ratio of the 2- (dimethylamino) ethyl methacrylate, the benzyl chloride, the dichloromethane and the hydroquinone in the step A4 is 17.3 g: 11.9 g: 60mL of: 0.5g, intermediate 6, intermediate 8, intermediate 9, azobisisobutyronitrile 0.01 mol: 0.05 mol: 0.05 mol: 3.5g, wherein the dosage ratio of the intermediate 10, N-dimethylformamide, sepiolite powder, trehalose saturated aqueous solution, cellulose sulfonate and sodium hydroxide solution is 3 g: 20mL of: 5 g: 20mL of: 30mL of: 50mL, and the mass fraction of the sodium hydroxide solution is 15%.
The preparation method of the antibacterial and deodorant fiber material for the face washing towel specifically comprises the following steps:
step S1: the number ratio of the synergistic fiber to the acrylic fiber to the vinylon is 1: 2: 2, stranding to prepare composite fiber;
step S2: performing heat preservation treatment on the composite fiber for 10-15min under the water bath condition at the temperature of 70-80 ℃ to obtain pretreated fiber;
step S3: dissolving sodium stearyl succinate sodium sulfonate salt in water to obtain softening solution, soaking the pretreated fiber in the softening solution, treating in water bath at 70-80 deg.C for 30-40min, and oven drying to obtain antibacterial deodorant fiber material.
The invention has the following beneficial effects:
the invention discloses a process for preparing a bacteriostatic deodorant fiber material for a face towel, which comprises the steps of treating 2, 2-bis (4-hydroxyphenyl) propane as a raw material with dimethyl sulfate to protect phenolic hydroxyl group to prepare an intermediate 1, oxidizing the intermediate 1 with potassium permanganate to prepare an intermediate 2, deprotecting the intermediate 2, esterifying carboxyl on the intermediate 3 with hydroxyl on beta-cyclodextrin to prepare an intermediate 4, reacting the intermediate 4 with bromoethylene to prepare an intermediate 5, dehydrating and condensing carboxyl on carboxymethyl chitosan and one amino group of ethylenediamine, dehydrating and condensing the other amino group of ethylenediamine with carboxyl on the intermediate 5 to prepare an intermediate 6, reacting the 5, 5-dimethylhydantoin with 1-bromo-2-chloroethane, preparing an intermediate 7, reacting the intermediate 7 with p-hydroxystyrene to prepare an intermediate 8, reacting 2- (dimethylamino) ethyl methacrylate with benzyl chloride to prepare an intermediate 9, polymerizing the intermediate 6, the intermediate 8 and the intermediate 9 to prepare an intermediate 10, dissolving the intermediate 10 in N, N-dimethylformamide, adding sepiolite powder and trehalose saturated aqueous solution, spinning by taking cellulose sulfonate as a main body to prepare the synergistic fiber, wherein the synergistic fiber has good moisture absorption performance, is grafted with a large amount of beta-cyclodextrin which has good deodorization effect, and has a large amount of quaternary ammonium salt structure and haloamine structure on the surface, so that the surface charge density is high, bacteria can be well adsorbed, and positive halogen ions released by the haloamine compound are combined with receptors in cells when the bacteria contact the synergistic fiber, thereby hinder the synthesis of enzyme or cell metabolism process, quaternary ammonium salt can combine with the phospholipid bilayer in the bacterial cell membrane simultaneously, destroys the constitution of cell membrane, leads to inside RNA of cell, DNA, potassium ion to reveal, and then kills the bacterium, simultaneously with traditional antibacterial fiber compare, this fiber material's antibacterial effect is more lasting, can not lead to antibacterial effect to descend because of towel repetitious usage.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
an antibacterial deodorant fiber material for face towel is prepared by combining synergistic fiber, acrylic fiber and vinylon;
the antibacterial deodorizing fiber material comprises the following materials:
step S1: the number ratio of the synergistic fiber to the acrylic fiber to the vinylon is 1: 2: 2, stranding to prepare composite fiber;
step S2: carrying out heat preservation treatment on the composite fiber for 10min under the water bath condition at the temperature of 70 ℃ to obtain pretreated fiber;
step S3: dissolving sodium stearyl succinate sodium sulfonate salt in water to obtain softening solution, soaking the pretreated fiber in the softening solution, performing heat preservation treatment at 70 deg.C in water bath for 30min, and oven drying to obtain antibacterial deodorizing fiber material.
The synergistic fiber is prepared by the following steps:
step A1: adding 2, 2-bis (4-hydroxyphenyl) propane, potassium carbonate, dimethyl sulfate and acetone into a reaction kettle, refluxing for 3 hours at the temperature of 90 ℃ to prepare an intermediate 1, adding the intermediate 1, potassium permanganate and deionized water into the reaction kettle, refluxing for 1 hour at the rotation speed of 120r/min and the temperature of 110 ℃ to prepare an intermediate 2, adding the intermediate 2 and a hydrochloric acid solution into the reaction kettle, refluxing for 5 hours at the temperature of 115 ℃ to prepare an intermediate 3, adding the intermediate 3, beta-cyclodextrin, concentrated sulfuric acid and dichloromethane into the reaction kettle, and reacting for 3 hours at the rotation speed of 150r/min and the temperature of 80 ℃ to prepare an intermediate 4;
step A2: adding the intermediate 4, vinyl bromide and sodium hydroxide into a reaction kettle, stirring for 10 hours at the rotation speed of 150r/min and the temperature of 10 ℃, adjusting the pH value of a reaction solution to 4 to prepare an intermediate 5, dissolving carboxymethyl chitosan into deionized water, adding the intermediate 5, 1-hydroxybenzotriazole, ethylenediamine and ethanol, and reacting for 5 hours at the temperature of 50 ℃ to prepare an intermediate 6;
step A3: adding 5, 5-dimethylhydantoin, sodium hydroxide and ethanol into a reaction kettle, stirring and refluxing for 10min at the rotation speed of 150r/min and the temperature of 90 ℃, cooling to the temperature of 80 ℃, adding 1-bromo-2-chloroethane, continuously refluxing for 7h to prepare an intermediate 7, adding the intermediate 7, p-hydroxystyrene, sodium carbonate and N, N-dimethylformamide into the reaction kettle, reacting for 8h at the rotation speed of 120r/min and the temperature of 60 ℃, adding a sodium hypochlorite solution, keeping the pH value of the reaction solution at 7, and stirring for 1h to prepare an intermediate 8;
step A4: adding 2- (dimethylamino) ethyl methacrylate, benzyl chloride, dichloromethane and hydroquinone into a reaction kettle, performing reflux reaction for 5 hours at the temperature of 70 ℃ to obtain an intermediate 9, adding the intermediate 6, the intermediate 8, the intermediate 9 and ethanol into the reaction kettle, introducing nitrogen for protection, adding azobisisobutyronitrile, performing reaction for 10 hours at the rotation speed of 150r/min and the temperature of 70 ℃ to obtain an intermediate 10, dissolving the intermediate 10 in N, N-dimethylformamide, adding sepiolite powder and trehalose saturated aqueous solution, stirring for 1 hour at the rotation speed of 2000r/min, adding cellulose sulfonate and sodium hydroxide solution, continuously stirring for 20 minutes, and spinning at the spinning speed of 15m/min to obtain the synergistic fiber.
Example 2:
an antibacterial deodorant fiber material for face towel is prepared by combining synergistic fiber, acrylic fiber and vinylon;
the antibacterial deodorizing fiber material comprises the following materials:
step S1: the number ratio of the synergistic fiber to the acrylic fiber to the vinylon is 1: 2: 2, stranding to prepare composite fiber;
step S2: carrying out heat preservation treatment on the composite fiber for 13min under the water bath condition at the temperature of 75 ℃ to obtain pretreated fiber;
step S3: dissolving sodium stearyl succinate sodium sulfonate salt in water to obtain softening solution, soaking the pretreated fiber in the softening solution, performing heat preservation treatment at 75 deg.C in water bath for 35min, and oven drying to obtain antibacterial deodorizing fiber material.
The synergistic fiber is prepared by the following steps:
step A1: adding 2, 2-bis (4-hydroxyphenyl) propane, potassium carbonate, dimethyl sulfate and acetone into a reaction kettle, refluxing for 4 hours at the temperature of 95 ℃ to prepare an intermediate 1, adding the intermediate 1, potassium permanganate and deionized water into the reaction kettle, refluxing for 1.5 hours at the rotation speed of 130r/min and the temperature of 115 ℃ to prepare an intermediate 2, adding the intermediate 2 and a hydrochloric acid solution into the reaction kettle, refluxing for 6 hours at the temperature of 118 ℃ to prepare an intermediate 3, adding the intermediate 3, beta-cyclodextrin, concentrated sulfuric acid and dichloromethane into the reaction kettle, and reacting for 4 hours at the rotation speed of 180r/min and the temperature of 85 ℃ to prepare an intermediate 4;
step A2: adding the intermediate 4, vinyl bromide and sodium hydroxide into a reaction kettle, stirring for 13 hours at the rotating speed of 180r/min and the temperature of 13 ℃, adjusting the pH value of a reaction solution to 4 to prepare an intermediate 5, dissolving carboxymethyl chitosan into deionized water, adding the intermediate 5, 1-hydroxybenzotriazole, ethylenediamine and ethanol, and reacting for 6 hours at the temperature of 55 ℃ to prepare an intermediate 6;
step A3: adding 5, 5-dimethylhydantoin, sodium hydroxide and ethanol into a reaction kettle, stirring and refluxing for 13min at the rotation speed of 180r/min and the temperature of 95 ℃, cooling to 83 ℃, adding 1-bromo-2-chloroethane, continuously refluxing for 8h to prepare an intermediate 7, adding the intermediate 7, p-hydroxystyrene, sodium carbonate and N, N-dimethylformamide into the reaction kettle, reacting for 9h at the rotation speed of 130r/min and the temperature of 65 ℃, adding a sodium hypochlorite solution, keeping the pH value of the reaction solution at 7, and stirring for 1.3h to prepare an intermediate 8;
step A4: adding 2- (dimethylamino) ethyl methacrylate, benzyl chloride, dichloromethane and hydroquinone into a reaction kettle, performing reflux reaction for 6 hours at the temperature of 75 ℃ to obtain an intermediate 9, adding the intermediate 6, the intermediate 8, the intermediate 9 and ethanol into the reaction kettle, introducing nitrogen for protection, adding azobisisobutyronitrile, performing reaction for 13 hours at the rotation speed of 180r/min and the temperature of 75 ℃ to obtain an intermediate 10, dissolving the intermediate 10 in N, N-dimethylformamide, adding sepiolite powder and trehalose saturated aqueous solution, stirring for 1.3 hours at the rotation speed of 2500r/min, adding cellulose sulfonate and sodium hydroxide solution, continuously stirring for 25 minutes, and spinning at the spinning speed of 18m/min to obtain the synergistic fiber.
Example 3:
an antibacterial deodorant fiber material for face towel is prepared by combining synergistic fiber, acrylic fiber and vinylon;
the antibacterial deodorizing fiber material comprises the following materials:
step S1: the number ratio of the synergistic fiber to the acrylic fiber to the vinylon is 1: 2: 2, stranding to prepare composite fiber;
step S2: carrying out heat preservation treatment on the composite fiber for 15min under the water bath condition at the temperature of 80 ℃ to obtain pretreated fiber;
step S3: dissolving sodium stearyl succinate sodium sulfonate salt in water to obtain softening solution, soaking the pretreated fiber in the softening solution, performing heat preservation treatment at 80 deg.C in water bath for 40min, and oven drying to obtain antibacterial deodorizing fiber material.
The synergistic fiber is prepared by the following steps:
step A1: adding 2, 2-bis (4-hydroxyphenyl) propane, potassium carbonate, dimethyl sulfate and acetone into a reaction kettle, refluxing for 5 hours at the temperature of 100 ℃ to prepare an intermediate 1, adding the intermediate 1, potassium permanganate and deionized water into the reaction kettle, refluxing for 2 hours at the rotation speed of 150r/min and the temperature of 120 ℃ to prepare an intermediate 2, adding the intermediate 2 and a hydrochloric acid solution into the reaction kettle, refluxing for 8 hours at the temperature of 120 ℃ to prepare an intermediate 3, adding the intermediate 3, beta-cyclodextrin, concentrated sulfuric acid and dichloromethane into the reaction kettle, and reacting for 5 hours at the rotation speed of 200r/min and the temperature of 90 ℃ to prepare an intermediate 4;
step A2: adding the intermediate 4, vinyl bromide and sodium hydroxide into a reaction kettle, stirring for 15 hours at the rotation speed of 200r/min and the temperature of 15 ℃, adjusting the pH value of a reaction solution to 5 to prepare an intermediate 5, dissolving carboxymethyl chitosan into deionized water, adding the intermediate 5, 1-hydroxybenzotriazole, ethylenediamine and ethanol, and reacting for 8 hours at the temperature of 60 ℃ to prepare an intermediate 6;
step A3: adding 5, 5-dimethylhydantoin, sodium hydroxide and ethanol into a reaction kettle, stirring and refluxing for 15min at the rotation speed of 200r/min and the temperature of 100 ℃, cooling to the temperature of 85 ℃, adding 1-bromo-2-chloroethane, continuously refluxing for 9h to prepare an intermediate 7, adding the intermediate 7, p-hydroxystyrene, sodium carbonate and N, N-dimethylformamide into the reaction kettle, reacting for 10h at the rotation speed of 150r/min and the temperature of 70 ℃, adding a sodium hypochlorite solution, keeping the pH value of the reaction solution at 7, and stirring for 1.5h to prepare an intermediate 8;
step A4: adding 2- (dimethylamino) ethyl methacrylate, benzyl chloride, dichloromethane and hydroquinone into a reaction kettle, performing reflux reaction for 7 hours at the temperature of 80 ℃ to obtain an intermediate 9, adding the intermediate 6, the intermediate 8, the intermediate 9 and ethanol into the reaction kettle, introducing nitrogen for protection, adding azobisisobutyronitrile, performing reaction for 15 hours at the rotation speed of 200r/min and the temperature of 80 ℃ to obtain an intermediate 10, dissolving the intermediate 10 in N, N-dimethylformamide, adding sepiolite powder and trehalose saturated aqueous solution, stirring for 1.5 hours at the rotation speed of 3000r/min, adding cellulose sulfonate and sodium hydroxide solution, continuing stirring for 30 minutes, and spinning at the spinning speed of 20m/min to obtain the synergistic fiber.
Comparative example 1:
this comparative example compares to example 1 without the use of the efficiency enhancing fibers and the rest of the procedure is the same.
Comparative example 2:
in the comparative example, the ratio of the acrylic fiber to the vinylon is 1: 1, stranding to obtain composite fiber, and soaking the composite fiber in an antibacterial agent DC-5700 aqueous solution to obtain the antibacterial fiber.
Comparative example 3:
the comparative example is a deodorizing and antibacterial material disclosed in Chinese patent CN 107699980A.
Preparing the deodorizing and antibacterial materials prepared in the examples 1-3 and the comparative examples 1-3 into towels, cleaning the face with the towels respectively, placing the towels in a non-ventilated room for 1, 3 and 5 days, and detecting whether the towels have peculiar smell;
the viable bacteria concentration was measured by washing the towel 30, 50, 80 times, and the results are shown in the following table
From the above table, it can be seen that the deodorizing and antibacterial materials prepared in examples 1 to 3 have a good deodorizing effect, and after being used for many times, the antibacterial effect is not greatly reduced, so that the antibacterial effect is more durable.
The foregoing is merely exemplary and illustrative of the principles of the present invention and various modifications, additions and substitutions of the specific embodiments described herein may be made by those skilled in the art without departing from the principles of the present invention or exceeding the scope of the claims set forth herein.
Claims (6)
1. A bacteriostatic and deodorant fiber material for a face towel is characterized in that: is made by plying synergistic fiber, acrylic fiber and vinylon;
the synergistic fiber is prepared by the following steps:
step A1: adding 2, 2-bis (4-hydroxyphenyl) propane, potassium carbonate, dimethyl sulfate and acetone into a reaction kettle, performing reflux reaction to obtain an intermediate 1, adding the intermediate 1, potassium permanganate and deionized water into the reaction kettle, performing reflux reaction to obtain an intermediate 2, adding the intermediate 2 and a hydrochloric acid solution into the reaction kettle, performing reflux reaction to obtain an intermediate 3, adding the intermediate 3, beta-cyclodextrin, concentrated sulfuric acid and dichloromethane into the reaction kettle, and performing reaction to obtain an intermediate 4;
step A2: adding the intermediate 4, vinyl bromide and sodium hydroxide into a reaction kettle, reacting, adjusting the pH value of reaction liquid to obtain an intermediate 5, dissolving carboxymethyl chitosan into deionized water, adding the intermediate 5, 1-hydroxybenzotriazole, ethylenediamine and ethanol, and heating to react to obtain an intermediate 6;
step A3: adding 5, 5-dimethylhydantoin, sodium hydroxide and ethanol into a reaction kettle, stirring and refluxing, cooling, adding 1-bromo-2-chloroethane, continuously refluxing to obtain an intermediate 7, adding the intermediate 7, p-hydroxystyrene, sodium carbonate and N, N-dimethylformamide into the reaction kettle, reacting, adding a sodium hypochlorite solution, keeping the pH value of a reaction solution, and stirring for reaction to obtain an intermediate 8;
step A4: adding 2- (dimethylamino) ethyl methacrylate, benzyl chloride, dichloromethane and hydroquinone into a reaction kettle, performing reflux reaction to obtain an intermediate 9, adding the intermediate 6, the intermediate 8, the intermediate 9 and ethanol into the reaction kettle, adding azobisisobutyronitrile into the reaction kettle, performing reaction to obtain an intermediate 10, dissolving the intermediate 10 into N, N-dimethylformamide, adding sepiolite powder and trehalose saturated aqueous solution, uniformly mixing, adding cellulose sulfonate and sodium hydroxide solution, continuously stirring and spinning to obtain the synergistic fiber.
2. A bacteriostatic deodorant fibrous material for a washcloth according to claim 1, which is characterized in that: the molar ratio of the 2, 2-bis (4-hydroxyphenyl) propane, the potassium carbonate and the dimethyl sulfate in the step A1 is 1: 1: 2, the dosage ratio of the intermediate 1, the potassium permanganate and the deionized water is 2.8 g: 5.3 g: 100mL, the dosage ratio of the intermediate 2 to the hydrochloric acid solution is 1 g: 5mL, wherein the dosage ratio of the intermediate 3, the beta-cyclodextrin, the concentrated sulfuric acid and the dichloromethane is 1 g: 3.5 g: 10mL of: 20 mL.
3. A bacteriostatic deodorant fibrous material for a washcloth according to claim 1, which is characterized in that: the molar ratio of the intermediate 4, vinyl bromide and sodium hydroxide in the step A2 is 1: 2: 2, the dosage mass ratio of the carboxymethyl chitosan, the intermediate 5, the 1-hydroxybenzotriazole and the ethylenediamine is 5: 1: 1.1: 1.5.
4. a bacteriostatic deodorant fibrous material for a washcloth according to claim 1, which is characterized in that: the dosage ratio of the 5, 5-dimethylhydantoin, the sodium hydroxide and the 1-bromo-2-chloroethane in the step A3 is 0.01 mol: 0.01 mol: 10mL, wherein the molar ratio of the intermediate 7 to the p-hydroxystyrene to the sodium carbonate to the sodium hypochlorite solution is 0.01: 0.01: 0.01: 15 mL.
5. A bacteriostatic deodorant fibrous material for a washcloth according to claim 1, which is characterized in that: the dosage ratio of the 2- (dimethylamino) ethyl methacrylate, the benzyl chloride, the dichloromethane and the hydroquinone in the step A4 is 17.3 g: 11.9 g: 60mL of: 0.5g, intermediate 6, intermediate 8, intermediate 9, azobisisobutyronitrile 0.01 mol: 0.05 mol: 0.05 mol: 3.5g, wherein the dosage ratio of the intermediate 10, N-dimethylformamide, sepiolite powder, trehalose saturated aqueous solution, cellulose sulfonate and sodium hydroxide solution is 3 g: 20mL of: 5 g: 20mL of: 30mL of: 50 mL.
6. The preparation method of the bacteriostatic deodorant fiber material for the face towel according to claim 1, characterized in that: the method specifically comprises the following steps:
step S1: the number ratio of the synergistic fiber to the acrylic fiber to the vinylon is 1: 2: 2, stranding to prepare composite fiber;
step S2: carrying out heat preservation treatment on the composite fiber in water to obtain a pretreated fiber;
step S3: dissolving sodium stearyl succinate monoester sulfonate in water to obtain a softening solution, soaking the pretreated fiber in the softening solution, performing heat preservation treatment, and drying to obtain the antibacterial deodorizing fiber material.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113862854A (en) * | 2021-11-04 | 2021-12-31 | 江苏金銮纺织科技股份有限公司 | Production process of antibacterial nanofiber yarn |
| CN114573362A (en) * | 2022-01-26 | 2022-06-03 | 河南三林建设集团有限公司 | Green energy-saving resource brick making process for municipal sludge |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113862854A (en) * | 2021-11-04 | 2021-12-31 | 江苏金銮纺织科技股份有限公司 | Production process of antibacterial nanofiber yarn |
| CN114573362A (en) * | 2022-01-26 | 2022-06-03 | 河南三林建设集团有限公司 | Green energy-saving resource brick making process for municipal sludge |
| CN114573362B (en) * | 2022-01-26 | 2022-11-25 | 河南三林建设集团有限公司 | Green energy-saving resource brick making process for municipal sludge |
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