CN115467070A - Moisture-absorbing and quick-drying polyester fabric and preparation method thereof - Google Patents
Moisture-absorbing and quick-drying polyester fabric and preparation method thereof Download PDFInfo
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/40—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads
- D03D15/47—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads multicomponent, e.g. blended yarns or threads
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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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- 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
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
- D01F6/54—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polymers of unsaturated nitriles
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
- D03D15/233—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads protein-based, e.g. wool or silk
- D03D15/235—Cashmere or silk
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
- D03D15/283—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads synthetic polymer-based, e.g. polyamide or polyester fibres
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D10B2321/10—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of unsaturated nitriles, e.g. polyacrylonitrile, polyvinylidene cyanide
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2401/00—Physical properties
- D10B2401/13—Physical properties anti-allergenic or anti-bacterial
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Abstract
The invention discloses a moisture-absorbing quick-drying polyester fabric and a preparation method thereof, wherein the moisture-absorbing quick-drying polyester fabric comprises the following raw materials in parts by weight: 50-75 parts of porous polyester fiber, 10-20 parts of bamboo charcoal modified fiber and 5-10 parts of silk; blending the porous polyester fiber, the bamboo charcoal modified fiber and the silk to prepare a moisture-absorbing and quick-drying polyester fabric with warp density of 160/10 cm and weft density of 150/10 cm; the bamboo charcoal modified fiber is prepared by blending porous polyester fiber, bamboo charcoal modified fiber and silk, excellent moisture absorption and quick drying performance can be endowed to the fiber through a special porous polyester fiber and bamboo charcoal modified fiber structure, polyacrylonitrile serves as a fiber substrate of the bamboo charcoal modified fiber, a composite antibacterial agent is prepared into a skin material for mixed spinning, the composite fiber with a skin-core structure is formed, the polyacrylonitrile is subjected to blended modification through the composite antibacterial agent taking bamboo charcoal as a carrier, the bamboo charcoal modified fiber is prepared, and the excellent antibacterial performance and the moisture absorption and quick drying performance of the fiber are guaranteed.
Description
Technical Field
The invention relates to the technical field of textile fabrics, in particular to a moisture-absorbing quick-drying polyester fabric and a preparation method thereof.
Background
The polyester fiber is used as the most widely applied chemical fiber, has good fiber forming performance and mechanical performance, high strength, good light resistance, heat resistance and acid and alkali resistance, good processability and spinnability, and can be spun, blended and interwoven. The terylene fabric is washable, wear-resistant, non-ironing and anti-wrinkle, and is widely applied to the fields of clothes, home textiles, decoration, products and the like. However, the polyester fiber has poor hygroscopicity, the fabric does not absorb sweat, the wearing feeling is stuffy, and the peculiar smell generated after a large amount of sweat flows in a human body influences the experience, so that the application and the development of the polyester fiber are greatly restricted. In order to improve the wearing comfort of the polyester fiber and the application added value of the polyester fiber, the polyester fiber is generally improved in the aspects of chemistry or physics, so that the polyester fiber is endowed with higher moisture absorption and sweat releasing performance, and the wearing comfort of the polyester fabric is improved.
Disclosure of Invention
In order to solve the technical problems, the invention provides a moisture-absorbing quick-drying polyester fabric and a preparation method thereof.
The purpose of the invention can be realized by the following technical scheme:
the moisture-absorbing quick-drying polyester fabric comprises the following raw materials in parts by weight: 50-75 parts of porous polyester fiber, 10-20 parts of bamboo charcoal modified fiber and 5-10 parts of silk;
the bamboo charcoal modified fiber is prepared by the following steps:
step S1, adding bamboo charcoal into deionized water, heating to boil, keeping the temperature and stirring at a constant speed for 30min, then cooling, removing an upper layer solution, washing with the deionized water until an upper layer solution is clear, filtering, drying a filter cake at 110 ℃ to obtain the treated bamboo charcoal, controlling the using amount ratio of the bamboo charcoal to the deionized water to be 250 g: 1000mL, adding the treated bamboo charcoal into a potassium permanganate solution with the concentration of 0.02mol/L, slowly stirring and heating, carrying out reflux reaction for 30min, separating out solids after the reaction is finished, washing with the deionized water for three times and then drying to obtain the modified bamboo charcoal, and controlling the using amount ratio of the treated bamboo charcoal to the potassium permanganate solution to be 10-15 g: 100mL;
in the step S1, the bamboo charcoal is pretreated by boiling water to further enlarge holes in the bamboo charcoal, and then the bamboo charcoal is modified by potassium permanganate, wherein the potassium permanganate has strong oxidizing property and can generate oxidation reaction with functional groups on the surface of the bamboo charcoal, so that a large amount of carboxyl groups can be generated on the surface of the bamboo charcoal.
S2, adding the modified bamboo charcoal into dichloromethane, performing ultrasonic oscillation for 40min to obtain a mixed solution, transferring the mixed solution to a three-neck flask, sequentially adding 4-dimethylaminopyridine, dicyclohexylcarbodiimide and an antibacterial agent, heating to 60-65 ℃, introducing nitrogen, stirring at a constant speed for 12h, removing a supernatant after the reaction is finished, washing, soaking in a sodium hypochlorite solution with the mass fraction of 10% for 30min, washing, performing suction filtration and freeze drying to obtain a composite antibacterial agent, wherein the dosage ratio of the modified bamboo charcoal, the dichloromethane, the 4-dimethylaminopyridine, the dicyclohexylcarbodiimide and the antibacterial agent is controlled to be 0.1-0.3g, 100mL, 0.5-1g, 0.05-0.1g and 0.1-0.3g;
in the step S2, dichloromethane is used as a solvent, modified bamboo charcoal is used as a carrier, and the antibacterial agent is loaded, on one hand, the porous structure of the modified bamboo charcoal has high adsorbability, the antibacterial agent can be introduced in a large amount, on the other hand, the bamboo charcoal is subjected to oxidation modification, the antibacterial agent is grafted on the surface and the inside of the modified bamboo charcoal through the generated carboxyl and the esterification reaction of the antibacterial agent, the composite stability is improved, the antibacterial agent is introduced into the bamboo charcoal, the antibacterial agent is cooperated with the antibacterial agent when the bamboo charcoal has peculiar smell adsorption and antibacterial effects, and the antibacterial effect is improved, so that the prepared fiber has the effects of efficiently resisting bacteria and removing peculiar smell.
Step S3, adding the composite antibacterial agent into the solution a, and stirring at a constant speed for 30min to prepare a mixed solution A for later use; adding polyacrylonitrile into the solution B, stirring at a constant speed for 30min to obtain a mixed solution B, adding the mixed solution A into a syringe as a core shaft, carrying out mixed spinning, spraying out the mixed solution through a composite spinning nozzle, using deionized water as a receiving graft to obtain a composite fiber with a skin-core structure, soaking the composite fiber by hypochlorous acid, and drying to obtain a bamboo charcoal modified fiber, wherein the weight ratio of a composite antibacterial agent to the solution a is controlled to be 1: 3, the weight ratio of polyacrylonitrile to the solution B is controlled to be 3: 20, the weight ratio of the mixed solution A to the mixed solution B is 1: 5, the spinning voltage is 20kV, the spinning distance is 15cm, the solution a is formed by mixing N, N-dimethylformamide and acetone according to the mass ratio of 5:1, and the solution B is formed by mixing N, N-dimethylformamide and acetone according to the mass ratio of 5:1.
And step S3, polyacrylonitrile is used as a fiber substrate, the composite antibacterial agent is prepared into a skin material for mixed spinning to form the composite fiber with a skin-core structure, and the composite antibacterial agent with bamboo charcoal as a carrier is used for carrying out blending modification on the polyacrylonitrile to prepare the bamboo charcoal modified fiber, wherein the structure of the bamboo charcoal modified fiber is a porous polyacrylonitrile fiber, and the composite antibacterial agent is introduced, so that the excellent antibacterial property and moisture absorption and quick drying property of the fiber are ensured.
Further, the method comprises the following steps: the antibacterial agent is prepared by the following steps:
s11, mixing sodium cyanide, acetone and deionized water in a three-neck flask, slowly adding sulfuric acid with the mass fraction of 40% after stirring at a high speed for 30min, controlling the reaction temperature to be 10-20 ℃, carrying out heat preservation reaction for 15min after dropwise addition, standing to remove sodium sulfate or sodium bisulfate after the reaction is finished to prepare an intermediate 1 aqueous solution, then heating to 75 ℃, adding ammonium carbonate in an equivalent manner for three times, stirring at a constant speed and reacting for 2h to prepare a reaction solution, cooling, filtering and washing to prepare an intermediate 2, and controlling the dosage ratio of the sodium cyanide, the acetone, the deionized water, the sulfuric acid and the ammonium carbonate to be 0.5 mol: 0.6-0.65 mol: 50 mL: 0.40-0.45 mol: 0.5mol;
and S12, mixing the intermediate 2 and formaldehyde, adding sodium hydroxide to adjust the pH until the pH is =7-9, stirring at a constant speed, reacting for 30min, distilling under reduced pressure, and drying to obtain the antibacterial agent, wherein the molar ratio of the intermediate 2 to the formaldehyde is controlled to be 1: 2.
In the step S11, sodium cyanide reacts with acetone to generate an intermediate 1, ammonium carbonate is added to react to generate an intermediate 2, and finally the intermediate 2 reacts with formaldehyde to generate the antibacterial agent, wherein the reaction process is as follows:
the antibacterial agent is hydantoin derivative, has excellent antibacterial performance, is harmless to human skin, and contains hydroxyl group capable of performing esterification reaction with modified bamboo charcoal.
A preparation method of moisture-absorbing and quick-drying polyester fabric comprises the following steps:
and blending the porous polyester fiber, the bamboo charcoal modified fiber and the silk to prepare the moisture-absorbing and quick-drying polyester fabric with warp yarn density of 160/10 cm and weft yarn density of 150/10 cm.
The invention has the beneficial effects that:
the moisture absorption quick-drying polyester fabric is formed by blending porous polyester fibers, bamboo charcoal modified fibers and silk, excellent moisture absorption quick-drying performance can be endowed to the fibers through special structures of the porous polyester fibers and the bamboo charcoal modified fibers, the bamboo charcoal modified fibers take polyacrylonitrile as a fiber substrate, a composite antibacterial agent is prepared into a skin material for mixed spinning, the composite fibers with a skin-core structure are formed, the polyacrylonitrile is subjected to blended modification through the composite antibacterial agent taking the bamboo charcoal as a carrier, the bamboo charcoal modified fibers are prepared, the structure of the bamboo charcoal modified fibers is porous polyacrylonitrile fibers, and the composite antibacterial agent is introduced, so that the excellent antibacterial performance and the moisture absorption quick-drying performance of the fibers are ensured;
composite antibacterial agent regards as the carrier with modified bamboo charcoal, the antibacterial agent carries out the load, the porous structure of modified bamboo charcoal itself has higher adsorptivity on the one hand, can introduce the antibacterial agent in a large number, on the other hand carry out the oxidation modification to the bamboo charcoal, take place esterification reaction through the carboxyl that produces and antibacterial agent, carry out the grafting of antibacterial agent at modified bamboo charcoal surface and inside, improve compound stability, through introducing the antibacterial agent in the bamboo charcoal, when bamboo charcoal itself has absorption peculiar smell and antibacterial effect, cooperation antibacterial agent, promote antibacterial effect, make the fibre of preparing have high-efficient antibiotic and get rid of the effect of peculiar smell.
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
The bamboo charcoal modified fiber is prepared by the following steps:
step S1, adding bamboo charcoal into deionized water, heating to boil, keeping the temperature and stirring at a constant speed for 30min, then cooling, removing an upper layer solution, washing with the deionized water until the upper layer solution is clear, filtering, drying a filter cake at 110 ℃ to obtain the treated bamboo charcoal, controlling the using amount ratio of the bamboo charcoal to the deionized water to be 250 g: 1000mL, adding the treated bamboo charcoal into a potassium permanganate solution with the concentration of 0.02mol/L, slowly stirring and heating, carrying out reflux reaction for 30min, separating out solids after the reaction is finished, washing with the deionized water for three times, and then drying to obtain the modified bamboo charcoal, controlling the using amount ratio of the treated bamboo charcoal to the potassium permanganate solution to be 10 g: 100mL;
s2, adding the modified bamboo charcoal into dichloromethane, performing ultrasonic oscillation for 40min to obtain a mixed solution, transferring the mixed solution to a three-neck flask, sequentially adding 4-dimethylaminopyridine, dicyclohexylcarbodiimide and an antibacterial agent, heating to 60 ℃, introducing nitrogen, stirring at a constant speed for 12h, removing a supernatant after the reaction is finished, washing, soaking in a sodium hypochlorite solution with the mass fraction of 10% for 30min, washing, performing suction filtration and freeze drying to obtain a composite antibacterial agent, and controlling the dosage ratio of the modified bamboo charcoal, the dichloromethane, the 4-dimethylaminopyridine, the dicyclohexylcarbodiimide and the antibacterial agent to be 0.1 g: 100 mL: 0.5 g: 0.05 g: 0.1g;
step S3, adding the composite antibacterial agent into the solution a, and stirring at a constant speed for 30min to prepare a mixed solution A for later use; adding polyacrylonitrile into the solution B, stirring at a constant speed for 30min to obtain a mixed solution B, adding the mixed solution A into a syringe as a core shaft, carrying out mixed spinning, spraying out the mixed solution through a composite spinning nozzle, using deionized water as a receiving graft to obtain a composite fiber with a skin-core structure, soaking the composite fiber by hypochlorous acid, and drying to obtain a bamboo charcoal modified fiber, wherein the weight ratio of a composite antibacterial agent to the solution a is controlled to be 1: 3, the weight ratio of polyacrylonitrile to the solution B is controlled to be 3: 20, the weight ratio of the mixed solution A to the mixed solution B is 1: 5, the spinning voltage is 20kV, the spinning distance is 15cm, the solution a is formed by mixing N, N-dimethylformamide and acetone according to the mass ratio of 5:1, and the solution B is formed by mixing N, N-dimethylformamide and acetone according to the mass ratio of 5:1.
Example 2
The bamboo charcoal modified fiber is prepared by the following steps:
step S1, adding bamboo charcoal into deionized water, heating to boil, keeping the temperature and stirring at a constant speed for 30min, then cooling, removing an upper solution, washing with the deionized water until an upper solution is clear, filtering, drying a filter cake at 110 ℃ to obtain the treated bamboo charcoal, controlling the using amount ratio of the bamboo charcoal to the deionized water to be 250 g: 1000mL, adding the treated bamboo charcoal into a potassium permanganate solution with the concentration of 0.02mol/L, slowly stirring and heating, carrying out reflux reaction for 30min, separating out solids after the reaction is finished, washing with the deionized water for three times, and then drying to obtain the modified bamboo charcoal, controlling the using amount ratio of the treated bamboo charcoal to the potassium permanganate solution to be 12 g: 100mL;
s2, adding the modified bamboo charcoal into dichloromethane, performing ultrasonic oscillation for 40min to obtain a mixed solution, transferring the mixed solution into a three-neck flask, sequentially adding 4-dimethylaminopyridine, dicyclohexylcarbodiimide and an antibacterial agent, heating to 62 ℃, introducing nitrogen, uniformly stirring for 12h, removing a supernatant after the reaction is finished, washing, soaking in a sodium hypochlorite solution with the mass fraction of 10% for 30min, washing, performing suction filtration and freeze drying to obtain a composite antibacterial agent, and controlling the dosage ratio of the modified bamboo charcoal, the dichloromethane, the 4-dimethylaminopyridine, the dicyclohexylcarbodiimide and the antibacterial agent to be 0.2g, 100mL, 0.8g, 0.08g and 0.2g;
s3, adding the composite antibacterial agent into the solution a, and stirring at a constant speed for 30min to obtain a mixed solution A for later use; adding polyacrylonitrile into the solution B, stirring at a constant speed for 30min to obtain a mixed solution B, adding the mixed solution A into an injector as a core shaft, carrying out mixed spinning, spraying out through a composite spinning nozzle, taking deionized water as a receiving graft to obtain a composite fiber with a skin-core structure, soaking by hypochlorous acid, drying to obtain a bamboo charcoal modified fiber, controlling the weight ratio of a composite antibacterial agent to the solution a to be 1: 3, the weight ratio of polyacrylonitrile to the solution B to be 3: 20, the weight ratio of the mixed solution A to the mixed solution B to be 1: 5, the spinning voltage to be 20kV, the spinning distance to be 15cm, mixing the solution a with N, N-dimethylformamide and acetone according to the mass ratio of 5:1, and mixing the solution B with N, N-dimethylformamide and acetone according to the mass ratio of 5:1.
Example 3
The bamboo charcoal modified fiber is prepared by the following steps:
step S1, adding bamboo charcoal into deionized water, heating to boil, keeping the temperature and stirring at a constant speed for 30min, then cooling, removing an upper solution, washing with the deionized water until an upper solution is clear, filtering, drying a filter cake at 110 ℃ to obtain the treated bamboo charcoal, controlling the using amount ratio of the bamboo charcoal to the deionized water to be 250 g: 1000mL, adding the treated bamboo charcoal into a potassium permanganate solution with the concentration of 0.02mol/L, slowly stirring and heating, carrying out reflux reaction for 30min, separating out solids after the reaction is finished, washing with the deionized water for three times, and then drying to obtain the modified bamboo charcoal, controlling the using amount ratio of the treated bamboo charcoal to the potassium permanganate solution to be 15 g: 100mL;
s2, adding the modified bamboo charcoal into dichloromethane, performing ultrasonic oscillation for 40min to obtain a mixed solution, transferring the mixed solution into a three-neck flask, sequentially adding 4-dimethylaminopyridine, dicyclohexylcarbodiimide and an antibacterial agent, heating to 65 ℃, introducing nitrogen, uniformly stirring for 12h, removing a supernatant after the reaction is finished, washing, soaking in a sodium hypochlorite solution with the mass fraction of 10% for 30min, washing, performing suction filtration and freeze drying to obtain a composite antibacterial agent, and controlling the dosage ratio of the modified bamboo charcoal, the dichloromethane, the 4-dimethylaminopyridine, the dicyclohexylcarbodiimide and the antibacterial agent to be 0.3 g: 100 mL: 1 g: 0.1 g: 0.3g;
s3, adding the composite antibacterial agent into the solution a, and stirring at a constant speed for 30min to obtain a mixed solution A for later use; adding polyacrylonitrile into the solution B, stirring at a constant speed for 30min to obtain a mixed solution B, adding the mixed solution A into a syringe as a core shaft, carrying out mixed spinning, spraying out the mixed solution through a composite spinning nozzle, using deionized water as a receiving graft to obtain a composite fiber with a skin-core structure, soaking the composite fiber by hypochlorous acid, and drying to obtain a bamboo charcoal modified fiber, wherein the weight ratio of a composite antibacterial agent to the solution a is controlled to be 1: 3, the weight ratio of polyacrylonitrile to the solution B is controlled to be 3: 20, the weight ratio of the mixed solution A to the mixed solution B is 1: 5, the spinning voltage is 20kV, the spinning distance is 15cm, the solution a is formed by mixing N, N-dimethylformamide and acetone according to the mass ratio of 5:1, and the solution B is formed by mixing N, N-dimethylformamide and acetone according to the mass ratio of 5:1.
Example 4
The antibacterial agent comprises the following steps:
s11, mixing sodium cyanide, acetone and deionized water in a three-neck flask, slowly adding sulfuric acid with the mass fraction of 40% after stirring at a high speed for 30min, controlling the reaction temperature to be 10 ℃, carrying out heat preservation reaction for 15min after dropwise addition, standing to remove sodium sulfate or sodium bisulfate after the reaction is finished, preparing an intermediate 1 aqueous solution, then heating to 75 ℃, adding ammonium carbonate in an equivalent manner for three times, stirring at a constant speed, reacting for 2h, preparing a reaction solution, cooling, filtering and washing to prepare an intermediate 2, and controlling the dosage ratio of the sodium cyanide, the acetone, the deionized water, the sulfuric acid to the ammonium carbonate to be 0.5 mol: 0.6 mol: 50 mL: 0.40 mol: 0.5mol;
and S12, mixing the intermediate 2 and formaldehyde, adding sodium hydroxide to adjust the pH until the pH is =7, stirring at a constant speed, reacting for 30min, distilling under reduced pressure, and drying to obtain the antibacterial agent, wherein the molar ratio of the intermediate 2 to the formaldehyde is controlled to be 1: 2.
Example 5
The antibacterial agent is prepared by the following steps:
s11, mixing sodium cyanide, acetone and deionized water in a three-neck flask, slowly adding sulfuric acid with the mass fraction of 40% after stirring at a high speed for 30min, controlling the reaction temperature to be 15 ℃, carrying out heat preservation reaction for 15min after finishing dripping, standing after the reaction is finished to remove sodium sulfate or sodium bisulfate to prepare an intermediate 1 aqueous solution, then heating to 75 ℃, adding ammonium carbonate in an equivalent manner for three times, stirring at a constant speed, reacting for 2h to prepare a reaction solution, cooling, filtering and washing to prepare an intermediate 2, and controlling the dosage ratio of the sodium cyanide, the acetone, the deionized water, the sulfuric acid to the ammonium carbonate to be 0.5 mol: 0.62 mol: 50 mL: 0.43 mol: 0.5mol;
and S12, mixing the intermediate 2 and formaldehyde, adding sodium hydroxide to adjust the pH until the pH is =8, stirring at a constant speed, reacting for 30min, distilling under reduced pressure, and drying to obtain the antibacterial agent, wherein the molar ratio of the intermediate 2 to the formaldehyde is controlled to be 1: 2.
Example 6
The antibacterial agent is prepared by the following steps:
s11, mixing sodium cyanide, acetone and deionized water in a three-neck flask, slowly adding sulfuric acid with the mass fraction of 40% after stirring at a high speed for 30min, controlling the reaction temperature to be 20 ℃, carrying out heat preservation reaction for 15min after dropwise addition, standing to remove sodium sulfate or sodium bisulfate after the reaction is finished to prepare an intermediate 1 aqueous solution, then heating to 75 ℃, adding ammonium carbonate in an equivalent manner for three times, stirring at a constant speed, reacting for 2h to prepare a reaction solution, cooling, filtering and washing to prepare an intermediate 2, and controlling the dosage ratio of the sodium cyanide, the acetone, the deionized water, the sulfuric acid to the ammonium carbonate to be 0.5 mol: 0.65 mol: 50 mL: 0.45 mol: 0.5mol;
and S12, mixing the intermediate 2 and formaldehyde, adding sodium hydroxide to adjust the pH until the pH is =9, stirring at a constant speed, reacting for 30min, distilling under reduced pressure, and drying to obtain the antibacterial agent, wherein the molar ratio of the intermediate 2 to the formaldehyde is controlled to be 1: 2.
Example 7
The moisture-absorbing quick-drying polyester fabric comprises the following raw materials in parts by weight: 50 parts of porous polyester fiber (Hongze combined chemical fiber, inc.), 10 parts of bamboo charcoal modified fiber and 5 parts of silk;
the polyester fabric is prepared by the following steps:
and blending the porous polyester fiber, the bamboo charcoal modified fiber and the silk to prepare the moisture-absorbing and quick-drying polyester fabric with warp yarn density of 160/10 cm and weft yarn density of 150/10 cm.
Example 8
The moisture-absorbing quick-drying polyester fabric comprises the following raw materials in parts by weight: 60 parts of porous polyester fiber (Hongze combined chemical fiber, inc.), 15 parts of bamboo charcoal modified fiber and 8 parts of silk;
the polyester fabric is prepared by the following steps:
and blending the porous polyester fiber, the bamboo charcoal modified fiber and the silk to prepare the moisture-absorbing and quick-drying polyester fabric with warp yarn density of 160/10 cm and weft yarn density of 150/10 cm.
Example 9
The moisture-absorbing quick-drying polyester fabric comprises the following raw materials in parts by weight: 75 parts of porous polyester fiber (Hongze combined chemical fiber, inc.), 20 parts of bamboo charcoal modified fiber and 10 parts of silk;
the polyester fabric is prepared by the following steps:
and blending the porous polyester fiber, the bamboo charcoal modified fiber and the silk to prepare the moisture-absorbing and quick-drying polyester fabric with warp yarn density of 160/10 cm and weft yarn density of 150/10 cm.
Comparative example 1
This comparative example compares to example 7 with polyester fibers instead of the porous polyester fibers.
Comparative example 2
Compared with the example 7, the bamboo charcoal fiber is used for replacing the bamboo charcoal modified fiber.
Comparative example 3
The comparative example is the moisture absorption polyester fabric prepared by the invention patent CN202011260228.6, and the preparation method is as follows:
A. grinding the PET slices, sieving the ground PET slices with a 80-mesh sieve, and taking undersize products to obtain polyester powder;
B. carrying out vacuum pre-crystallization and drying treatment on polyester powder and micro-nano calcium carbonate;
C. mixing the dried polyester powder and the micro-nano calcium carbonate by a double screw, cooling and granulating to obtain the moisture-absorbing polyester fiber master batch;
D. uniformly mixing 6% of moisture-absorbing polyester fiber master batch with polyester chips by weight ratio, melting by a screw extruder, statically mixing, filtering, metering by a box metering pump, extruding by a C-shaped hollow spinneret plate, and quenching by asymmetric circular blowing strong wind to obtain nascent fiber;
E. then drawing, heat setting, washing, drying and winding the nascent fiber to obtain the moisture absorption polyester fiber;
F. the stainless steel wires are wrapped and wound on the moisture absorption polyester fibers to serve as warps, the weft stainless steel wires serve as wefts, and the warps and the wefts are interwoven to form the moisture absorption and sweat releasing radiation protection polyester fabric.
In the step B, the particle size of the micro-nano calcium carbonate is 800-1500nm; the mass ratio of the polyester powder to the micro-nano calcium carbonate is 75:1.
in the step B, the process conditions of the vacuum pre-crystallization drying treatment are as follows: keeping the temperature at 87 ℃ for 2.5h under the vacuum degree of less than 0.2MPa, and then sequentially increasing the temperature by 8.5 ℃ per hour until the temperature reaches 131 ℃;
in the step D, the spinning temperature is 270 ℃.
In the step E, the draft ratio after the draft is 4.5 times.
In the step F, the weight percentage of the stainless steel wires in the moisture absorption and sweat releasing radiation protection terylene fabric is 23%.
The moisture absorption and antibacterial properties of the polyester fabrics prepared in examples 7 to 9 and comparative examples 1 to 3 were measured, and the results are shown in the following table:
from the table above, it can be seen that the fabrics prepared in examples 7 to 9 have high moisture absorption and quick drying performance and excellent antibacterial performance.
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. The moisture-absorbing and quick-drying terylene fabric is characterized in that: the feed comprises the following raw materials in parts by weight: 50-75 parts of porous polyester fiber, 10-20 parts of bamboo charcoal modified fiber and 5-10 parts of silk;
the bamboo charcoal modified fiber is prepared by the following steps:
step S1, adding bamboo charcoal into deionized water, heating to boil, keeping the temperature and stirring at a constant speed for 30min, then cooling, removing an upper layer solution, washing with the deionized water, filtering, drying a filter cake at 110 ℃ to obtain the treated bamboo charcoal, controlling the dosage ratio of the bamboo charcoal to the deionized water to be 250 g: 1000mL, adding the treated bamboo charcoal into a potassium permanganate solution with the concentration of 0.02mol/L, slowly stirring and heating, carrying out reflux reaction for 30min, separating out solids after the reaction is finished, washing with the deionized water for three times, and then drying to obtain the modified bamboo charcoal;
step S2, adding the modified bamboo charcoal into dichloromethane, performing ultrasonic oscillation for 40min to obtain a mixed solution, transferring the mixed solution into a three-neck flask, sequentially adding 4-dimethylaminopyridine, dicyclohexylcarbodiimide and an antibacterial agent, heating to 60-65 ℃, introducing nitrogen, stirring at a constant speed for 12h, removing a supernatant after the reaction is finished, washing, soaking in a sodium hypochlorite solution with the mass fraction of 10% for 30min, washing, performing suction filtration, and freeze drying to obtain a composite antibacterial agent;
s3, adding the composite antibacterial agent into the solution a, and stirring at a constant speed for 30min to obtain a mixed solution A for later use; adding polyacrylonitrile into the solution B, stirring at a constant speed for 30min to obtain a mixed solution B, taking the mixed solution A as a skin material, adding the mixed solution B into a syringe as a core shaft, mixing and spinning, spraying out through a composite spinning nozzle, taking deionized water as a receiving graft to obtain a composite fiber with a skin-core structure, soaking in hypochlorous acid, and drying to obtain the bamboo charcoal modified fiber.
2. The moisture-absorbing and quick-drying polyester fabric according to claim 1, characterized in that: the use amount ratio of the bamboo charcoal and the potassium permanganate solution after the treatment is controlled to be 10-15 g: 100mL in the step S1, the use amount ratio of the modified bamboo charcoal, the dichloromethane, the 4-dimethylaminopyridine, the dicyclohexylcarbodiimide and the antibacterial agent is controlled to be 0.1-0.3 g: 100 mL: 0.5-1 g: 0.05-0.1 g: 0.1-0.3g in the step S2, the weight ratio of the composite antibacterial agent to the solution a is controlled to be 1: 3 in the step S3, the weight ratio of the polyacrylonitrile to the solution B is 3: 20, the weight ratio of the mixed solution A to the mixed solution B is 1: 5, the spinning voltage is 20kV, and the spinning distance is 15cm.
3. The moisture-absorbing and quick-drying polyester fabric according to claim 1, characterized in that: in the step S3, the solution a is formed by mixing N, N-dimethylformamide and acetone according to the mass ratio of 5:1, and the solution b is formed by mixing N, N-dimethylformamide and acetone according to the mass ratio of 5:1.
4. The moisture-absorbing and quick-drying polyester fabric according to claim 1, characterized in that: the antibacterial agent is prepared by the following steps:
step S11, mixing sodium cyanide, acetone and deionized water in a three-neck flask, stirring at a high speed for 30min, slowly adding sulfuric acid with the mass fraction of 40%, controlling the reaction temperature to be 10-20 ℃, carrying out heat preservation reaction for 15min after dropwise addition, standing after the reaction is finished to prepare an intermediate 1 aqueous solution, heating to 75 ℃, adding ammonium carbonate in three times in an equivalent manner, stirring at a constant speed, reacting for 2h to prepare a reaction solution, and cooling, filtering and washing to prepare an intermediate 2;
and S12, mixing the intermediate 2 and formaldehyde, adding sodium hydroxide to adjust the pH until the pH is =7-9, stirring at a constant speed, reacting for 30min, distilling under reduced pressure, and drying to obtain the antibacterial agent.
5. The moisture-absorbing and quick-drying polyester fabric according to claim 4, characterized in that: in the step S11, the dosage ratio of the sodium cyanide, the acetone, the deionized water, the sulfuric acid and the ammonium carbonate is controlled to be 0.5 mol: 0.6-0.65 mol: 50 mL: 0.40-0.45 mol: 0.5mol, and the molar ratio of the intermediate 2 to the formaldehyde is controlled to be 1: 2 in the step S12.
6. The preparation method of the moisture-absorbing and quick-drying polyester fabric according to claim 4, characterized by comprising the following steps: the method comprises the following steps:
and blending the porous polyester fiber, the bamboo charcoal modified fiber and the silk to prepare the moisture-absorbing and quick-drying polyester fabric with warp density of 160/10 cm and weft density of 150/10 cm.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117735706A (en) * | 2024-02-20 | 2024-03-22 | 杭州楠大环保科技有限公司 | Membrane biological reaction system for treating greenhouse gases |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117735706A (en) * | 2024-02-20 | 2024-03-22 | 杭州楠大环保科技有限公司 | Membrane biological reaction system for treating greenhouse gases |
| CN117735706B (en) * | 2024-02-20 | 2024-05-07 | 杭州楠大环保科技有限公司 | Membrane biological reaction system for treating greenhouse gases |
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