CN114395819B - Antibacterial deodorizing slow-release fragrant polyester yarn - Google Patents
Antibacterial deodorizing slow-release fragrant polyester yarn Download PDFInfo
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- 229920000728 polyester Polymers 0.000 title claims abstract description 44
- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 28
- 230000001877 deodorizing effect Effects 0.000 title claims abstract description 15
- 239000000440 bentonite Substances 0.000 claims abstract description 51
- 229910000278 bentonite Inorganic materials 0.000 claims abstract description 51
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 49
- 239000002041 carbon nanotube Substances 0.000 claims abstract description 44
- 229910021393 carbon nanotube Inorganic materials 0.000 claims abstract description 44
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 38
- 238000006243 chemical reaction Methods 0.000 claims abstract description 38
- 239000002105 nanoparticle Substances 0.000 claims abstract description 37
- 239000002070 nanowire Substances 0.000 claims abstract description 31
- 239000002270 dispersing agent Substances 0.000 claims abstract description 28
- 239000011248 coating agent Substances 0.000 claims abstract description 26
- 239000000835 fiber Substances 0.000 claims abstract description 22
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910052709 silver Inorganic materials 0.000 claims abstract description 18
- 239000004332 silver Substances 0.000 claims abstract description 18
- 239000002994 raw material Substances 0.000 claims abstract description 17
- 229960000892 attapulgite Drugs 0.000 claims abstract description 11
- 229910052625 palygorskite Inorganic materials 0.000 claims abstract description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 52
- 239000005543 nano-size silicon particle Substances 0.000 claims description 39
- 229920001661 Chitosan Polymers 0.000 claims description 35
- 235000012239 silicon dioxide Nutrition 0.000 claims description 26
- 238000002360 preparation method Methods 0.000 claims description 23
- 238000003756 stirring Methods 0.000 claims description 21
- 238000000227 grinding Methods 0.000 claims description 17
- 238000001132 ultrasonic dispersion Methods 0.000 claims description 15
- 239000006185 dispersion Substances 0.000 claims description 14
- 125000003118 aryl group Chemical group 0.000 claims description 13
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 12
- 238000001035 drying Methods 0.000 claims description 12
- 238000005406 washing Methods 0.000 claims description 12
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 claims description 8
- 241000220317 Rosa Species 0.000 claims description 8
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 claims description 8
- 235000010413 sodium alginate Nutrition 0.000 claims description 8
- 229940005550 sodium alginate Drugs 0.000 claims description 8
- 239000000661 sodium alginate Substances 0.000 claims description 8
- 239000000341 volatile oil Substances 0.000 claims description 8
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 7
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 7
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 7
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 claims description 6
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 6
- BSDOQSMQCZQLDV-UHFFFAOYSA-N butan-1-olate;zirconium(4+) Chemical compound [Zr+4].CCCC[O-].CCCC[O-].CCCC[O-].CCCC[O-] BSDOQSMQCZQLDV-UHFFFAOYSA-N 0.000 claims description 6
- 239000003822 epoxy resin Substances 0.000 claims description 6
- 229920000768 polyamine Polymers 0.000 claims description 6
- 229920000647 polyepoxide Polymers 0.000 claims description 6
- 229920000570 polyether Polymers 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 5
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 4
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims description 4
- 239000001198 melaleuca alternifolia leaf oil Substances 0.000 claims description 4
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 claims description 3
- 239000005751 Copper oxide Substances 0.000 claims description 3
- 229910000431 copper oxide Inorganic materials 0.000 claims description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 239000005020 polyethylene terephthalate Substances 0.000 abstract description 4
- 241000894006 Bacteria Species 0.000 abstract description 2
- 229920004933 Terylene® Polymers 0.000 abstract description 2
- 229940092782 bentonite Drugs 0.000 description 41
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 15
- 239000003205 fragrance Substances 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 7
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 5
- WOZVHXUHUFLZGK-UHFFFAOYSA-N dimethyl terephthalate Chemical compound COC(=O)C1=CC=C(C(=O)OC)C=C1 WOZVHXUHUFLZGK-UHFFFAOYSA-N 0.000 description 4
- 239000000155 melt Substances 0.000 description 4
- 238000009987 spinning Methods 0.000 description 4
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000004594 Masterbatch (MB) Substances 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- CDQSJQSWAWPGKG-UHFFFAOYSA-N butane-1,1-diol Chemical compound CCCC(O)O CDQSJQSWAWPGKG-UHFFFAOYSA-N 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000007822 coupling agent Substances 0.000 description 1
- ONCZQWJXONKSMM-UHFFFAOYSA-N dialuminum;disodium;oxygen(2-);silicon(4+);hydrate Chemical compound O.[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Na+].[Na+].[Al+3].[Al+3].[Si+4].[Si+4].[Si+4].[Si+4] ONCZQWJXONKSMM-UHFFFAOYSA-N 0.000 description 1
- 238000010041 electrostatic spinning Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000032050 esterification Effects 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000002074 melt spinning Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 239000002964 rayon Substances 0.000 description 1
- 229940080314 sodium bentonite Drugs 0.000 description 1
- 229910000280 sodium bentonite Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 238000005809 transesterification reaction Methods 0.000 description 1
Classifications
-
- 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
- D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
- D01F6/92—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyesters
-
- 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
-
- 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
Abstract
The invention belongs to the technical field of polyester yarns, and particularly relates to antibacterial deodorizing slow-release fragrant polyester yarns, which comprise the following raw materials in parts by weight: 30-40 parts of polyester chips, 7-11 parts of carbon nanotube modified nano particles, 5-10 parts of silver fibers, 2-8 parts of nanowires, 1-5 parts of slow release coating agents and 1-3 parts of bentonite dispersing agents. According to the invention, terylene slices are used as main materials, carbon nano tube modified nano particles, silver fibers, nano wires, a slow release coating agent and bentonite dispersing agent are used as auxiliary materials for carrying out an inter-matching reaction, the carbon nano tube modified nano particles adopt carbon nano tubes with high specific surface area to react with nano attapulgite, and the nano attapulgite loaded carbon nano tubes with high bearing capacity are formed after the reaction, so that the silver fibers are convenient to carry, the effect of the silver fibers on bacteria is improved, and the antibacterial efficiency is improved.
Description
Technical Field
The invention relates to the technical field of polyester yarns, in particular to a antibacterial deodorizing slow-release fragrant polyester yarn.
Background
The polyester fiber can resist chemical substances and is often washed, and the phenomena of fading and decoloration of clothes are reduced, so that hotel uniforms, stone-ground blue jeans, sports wear or children clothes are all manufactured by the polyester fiber. In contrast, polyester yarns are tougher than rayon. When embroidery is carried out, the machine runs at high speed, and the polyester yarn with high toughness can bear larger tension; the fire resistance is extremely high; even if the clothing approaches the flame; and fire is not easy to trigger. Polyester is an important variety in synthetic fibers and is a commodity name of polyester fibers in China. It is a fiber made up by using refined terephthalic acid (PTA) or dimethyl terephthalate (DMT) and Ethylene Glycol (EG) as raw materials and making them undergo the processes of esterification or transesterification and polycondensation reaction so as to obtain the invented fiber-forming high polymer-polyethylene terephthalate (PET), and making it undergo the processes of spinning and post-treatment.
The existing polyester yarn is added with inorganic materials such as nano silver and the like to improve the antibacterial performance of the product, but the raw materials selected by the product are more conventional, the antibacterial performance is general, and the polyester yarn does not have slow-release fragrance performance, so that further improvement treatment is needed based on the antibacterial performance; chinese patent document CN113373549a discloses a preparation process of soft antibacterial polyester yarn, comprising the following steps: preparing functional master batches, namely mixing and granulating activated carbon loaded with nano silver, organic sodium bentonite, polyethylene glycol, polyester chips, a coupling agent, an antioxidant, butanediol and a dispersing agent to form the functional master batches; the functional master batch and part of polyester chips are melted to form a melt A, the polyester chips are melted to form a melt B, the melt A is outside, and the melt B is spun by a coaxial electrostatic spinning device to form composite polyester yarns; the raw materials selected in the literature are more conventional, the product needs to be further improved, and the antibacterial property, the fragrance slow release property and the like of the product are improved.
Disclosure of Invention
The invention aims to provide antibacterial deodorizing slow-release fragrant polyester yarns so as to solve the problems in the background technology;
in order to achieve the above purpose, the present invention provides the following technical solutions:
the invention provides antibacterial deodorizing slow-release fragrant polyester yarn, which comprises the following raw materials in parts by weight:
30-40 parts of polyester chips, 7-11 parts of carbon nanotube modified nano particles, 5-10 parts of silver fibers, 2-8 parts of nanowires, 1-5 parts of slow release coating agents and 1-3 parts of bentonite dispersing agents;
the preparation method of the bentonite dispersing agent comprises the following steps:
s1: reacting bentonite at 500-600 ℃ for 10-20min, ending the reaction, and then, at the speed of 1-3 ℃/min, reacting bentonite at 80-90 ℃ to obtain a to-be-dispersed substance;
s2: adding the dispersion to 2-3 times of nano silicon dioxide sol, stirring for reaction at 500-700r/min for 30-40min, washing with water, and drying to obtain nano silicon dioxide-bentonite complex;
s3: and (3) sending the nano silicon dioxide-bentonite complex to a temperature of 100-200 ℃ for reaction for 20-30min, and then continuing to react for 15-25min at 80-120 ℃ to obtain the bentonite dispersing agent after the reaction is finished.
Preferably, the polyester yarn comprises the following raw materials in parts by weight:
35 parts of polyester chips, 9 parts of carbon nanotube modified nano particles, 7.5 parts of silver fibers, 5 parts of nanowires, 3 parts of slow release coating agents and 2 parts of bentonite dispersing agents.
Preferably, the preparation method of the nano silica sol comprises the following steps: adding nano silicon dioxide into epoxy resin according to a weight ratio of 1:3, then adding polyether polyamine accounting for 10-20% of the total amount of the nano silicon dioxide and tetrabutyl zirconate accounting for 1-5%, stirring for 30-40min at a rotating speed of 100-500r/min, and obtaining nano silicon dioxide sol after stirring.
Preferably, the specific steps of the carbon nanotube modified nanoparticle are as follows:
step one: performing ultrasonic dispersion on 20-30 parts of carbon nano tubes, 1-5 parts of nano attapulgite, 1-3 parts of sodium alginate and 30-40 parts of ethanol, and obtaining a body to be ground after the dispersion is finished;
step two: feeding the body to be ground into a grinder for grinding, grinding the body to be ground by 20-100 meshes, and washing and drying the body after finishing grinding;
step three: then the carbon nano tube modified nano particles are sent into a proton irradiation box with the temperature of 50-70 ℃ and the temperature of 100-300W for irradiation for 5-10min, and the carbon nano tube modified nano particles are obtained after the irradiation is finished.
Preferably, the power of the ultrasonic dispersion is 100-300W, and the ultrasonic time is 20-30min.
Preferably, the power of the ultrasonic dispersion is 200W, and the ultrasonic time is 25min.
Preferably, the nanowire is one or more of a ferroferric oxide nanowire, a manganese dioxide nanowire, a zinc oxide nanowire, a silicon carbide nanowire and a copper oxide nanowire.
Preferably, the preparation method of the slow release coating agent comprises the following steps: adding chitosan solution into 2-3 times of ammonia water, adding silane coupling agent KH560 accounting for 1-5% of the total chitosan solution, adding azodiisobutyronitrile accounting for 1-3% of the chitosan solution and aromatic accounting for 5-10% of the total chitosan solution, and reacting for 60-80min at 65-75 ℃ at the speed of 80-120r/min, wherein the reaction is finished to obtain the slow-release coating agent.
Preferably, the chitosan solution is prepared by mixing chitosan and acetic acid according to a weight ratio of 4:1.
Preferably, the aromatic is one of rose essential oil, melaleuca alternifolia leaf oil or rose essential oil.
The beneficial effects of the invention are as follows:
1. according to the invention, terylene slices are used as main materials, carbon nano tube modified nano particles, silver fibers, nano wires, a slow release coating agent and bentonite dispersing agent are used as auxiliary materials for carrying out an inter-matching reaction, the carbon nano tube modified nano particles adopt carbon nano tubes with high specific surface area to react with nano attapulgite, and the nano attapulgite loaded carbon nano tubes with high bearing capacity are formed after the reaction, so that the silver fibers are convenient to carry, the effect of the silver fibers and bacteria is improved, the antibacterial capability is improved, and the added nano wires and the silver fibers are mutually matched and mutually assisted to play a cross dislocation effect, so that the antibacterial stability of a product is improved; meanwhile, after the sodium alginate is dispersed, the dispersion capacity of the carbon nano tube modified nano particles is enhanced, and the product has better bearing effect on raw materials, so that the antibacterial and loading properties of the product are further improved;
2. the slow-release coating agent adopts chitosan solution, ammonia water, silane coupling agent KH560 and other raw materials to form a coating body, so that the aromatic is coated, the slow-release function is realized, the fragrance is released for a long time, and the slow-release efficiency of the fragrance is improved.
3. The bentonite dispersant adopts bentonite to be calcined, then cooled at the speed of 1-3 ℃/min, so as to improve the interlayer spacing, then reacts with nano silicon dioxide sol to form a nano silicon dioxide-bentonite complex, and has a high surface area active body with a layered structure, so that the aggregation effect of carbon nano tube modified nano particles, silver fibers and nano wire clusters is improved, the raw material dispersing efficiency is further improved, and the antibacterial and slow-release properties of the product are further improved.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments.
The antibacterial deodorizing slow-release fragrant polyester yarn comprises the following raw materials in parts by weight:
30-40 parts of polyester chips, 7-11 parts of carbon nanotube modified nano particles, 5-10 parts of silver fibers, 2-8 parts of nanowires, 1-5 parts of slow release coating agents and 1-3 parts of bentonite dispersing agents;
the preparation method of the bentonite dispersing agent comprises the following steps:
s1: reacting bentonite at 500-600 ℃ for 10-20min, ending the reaction, and then, at the speed of 1-3 ℃/min, reacting bentonite at 80-90 ℃ to obtain a to-be-dispersed substance;
s2: adding the dispersion to 2-3 times of nano silicon dioxide sol, stirring for reaction at 500-700r/min for 30-40min, washing with water, and drying to obtain nano silicon dioxide-bentonite complex;
s3: and (3) sending the nano silicon dioxide-bentonite complex to a temperature of 100-200 ℃ for reaction for 20-30min, and then continuing to react for 15-25min at 80-120 ℃ to obtain the bentonite dispersing agent after the reaction is finished.
The polyester yarn of the embodiment comprises the following raw materials in parts by weight:
35 parts of polyester chips, 9 parts of carbon nanotube modified nano particles, 7.5 parts of silver fibers, 5 parts of nanowires, 3 parts of slow release coating agents and 2 parts of bentonite dispersing agents.
The preparation method of the nano silica sol in the embodiment comprises the following steps: adding nano silicon dioxide into epoxy resin according to a weight ratio of 1:3, then adding polyether polyamine accounting for 10-20% of the total amount of the nano silicon dioxide and tetrabutyl zirconate accounting for 1-5%, stirring for 30-40min at a rotating speed of 100-500r/min, and obtaining nano silicon dioxide sol after stirring.
The specific steps of the carbon nanotube modified nanoparticle of the present embodiment are:
step one: performing ultrasonic dispersion on 20-30 parts of carbon nano tubes, 1-5 parts of nano attapulgite, 1-3 parts of sodium alginate and 30-40 parts of ethanol, and obtaining a body to be ground after the dispersion is finished;
step two: feeding the body to be ground into a grinder for grinding, grinding the body to be ground by 20-100 meshes, and washing and drying the body after finishing grinding;
step three: then the carbon nano tube modified nano particles are sent into a proton irradiation box with the temperature of 50-70 ℃ and the temperature of 100-300W for irradiation for 5-10min, and the carbon nano tube modified nano particles are obtained after the irradiation is finished.
The power of ultrasonic dispersion in the embodiment is 100-300W, and the ultrasonic time is 20-30min.
The power of the ultrasonic dispersion in this example was 200W and the ultrasonic time was 25min.
The nanowire of the embodiment is one or a combination of more of a ferroferric oxide nanowire, a manganese dioxide nanowire, a zinc oxide nanowire, a silicon carbide nanowire and a copper oxide nanowire.
The preparation method of the slow release coating agent of the embodiment comprises the following steps: adding chitosan solution into 2-3 times of ammonia water solution, adding silane coupling agent KH560 accounting for 1-5% of the total chitosan solution, adding azodiisobutyronitrile accounting for 1-3% of the chitosan solution and aromatic accounting for 5-10% of the total chitosan solution, reacting for 60-80min at 65-75 ℃, wherein the reaction rotating speed is 80-120r/min, and obtaining the slow-release coating agent after the reaction is finished.
The chitosan solution in the embodiment is prepared by mixing chitosan and acetic acid according to a weight ratio of 4:1.
The aromatic in this embodiment is one of rose essential oil, melaleuca alternifolia leaf oil or rose essential oil.
Example 1:
the antibacterial deodorizing slow-release fragrant polyester yarn comprises the following raw materials in parts by weight:
30 parts of polyester chips, 7 parts of carbon nanotube modified nano particles, 5 parts of silver fibers, 2 parts of nanowires, 1 part of slow release coating agent and 1 part of bentonite dispersing agent;
the preparation method of the bentonite dispersing agent comprises the following steps:
s1: reacting bentonite at 500 ℃ for 10min, ending the reaction, and then, at the speed of 1 ℃/min, carrying out 80 ℃ to obtain a to-be-dispersed body;
s2: adding the dispersion to 2 times of nano silicon dioxide sol, stirring for reaction at the stirring speed of 500r/min for 30min, washing with water, and drying to obtain a nano silicon dioxide-bentonite complex;
s3: and (3) sending the nano silicon dioxide-bentonite complex to a temperature of 100 ℃ for 20min, and then continuously reacting for 15min at the temperature of 80 ℃ to obtain the bentonite dispersing agent after the reaction is finished.
The preparation method of the nano silica sol in the embodiment comprises the following steps: adding nano silicon dioxide into epoxy resin according to a weight ratio of 1:3, then adding polyether polyamine accounting for 10% of the total amount of the nano silicon dioxide and tetrabutyl zirconate accounting for 1%, and stirring for 30min at a rotating speed of 100r/min, wherein the stirring is finished, so as to obtain nano silicon dioxide sol.
The specific steps of the carbon nanotube modified nanoparticle of the present embodiment are:
step one: performing ultrasonic dispersion on 20 parts of carbon nano tubes, 1 part of nano attapulgite, 1 part of sodium alginate and 30 parts of ethanol, and obtaining a body to be ground after the dispersion is finished;
step two: feeding the body to be ground into a grinder for grinding, grinding the body to be ground into 20 meshes, and washing and drying the body after finishing grinding;
step three: then the carbon nano tube modified nano particles are sent into a proton irradiation box with the temperature of 50 ℃ and the temperature of 100W for 5min, and the carbon nano tube modified nano particles are obtained after the irradiation is finished.
The power of the ultrasonic dispersion in this example was 100W and the ultrasonic time was 20min.
The nanowires of this embodiment are manganese dioxide nanowires.
The preparation method of the slow release coating agent of the embodiment comprises the following steps: adding chitosan solution into 2 times of ammonia water solution, adding silane coupling agent KH560 accounting for 1% of the total chitosan solution, adding azodiisobutyronitrile accounting for 1% of the total chitosan solution and aromatic accounting for 5% of the total chitosan solution, reacting for 60min at 65 ℃, wherein the reaction rotating speed is 80r/min, and obtaining the slow-release coating agent after the reaction is finished.
The chitosan solution in the embodiment is prepared by mixing chitosan and acetic acid according to a weight ratio of 4:1.
The aromatic in this example is rose essential oil.
Example 2:
the antibacterial deodorizing slow-release fragrant polyester yarn comprises the following raw materials in parts by weight:
40 parts of polyester chips, 11 parts of carbon nanotube modified nano particles, 10 parts of silver fibers, 8 parts of nanowires, 5 parts of slow release coating agents and 3 parts of bentonite dispersing agents;
the preparation method of the bentonite dispersing agent comprises the following steps:
s1: reacting bentonite at 600 ℃ for 20min, ending the reaction, and then, at the speed of 3 ℃/min, reducing the temperature to 90 ℃ to obtain a dispersion;
s2: adding the dispersion to 3 times of nano silicon dioxide sol, stirring for reaction at the stirring speed of 700r/min for 40min, washing with water, and drying to obtain a nano silicon dioxide-bentonite complex;
s3: and (3) sending the nano silicon dioxide-bentonite complex to a temperature of 200 ℃ for reaction for 30min, and then continuing to react for 25min at 120 ℃ to obtain the bentonite dispersing agent after the reaction is finished.
The preparation method of the nano silica sol in the embodiment comprises the following steps: adding nano silicon dioxide into epoxy resin according to a weight ratio of 1:3, then adding polyether polyamine accounting for 20% of the total amount of the nano silicon dioxide and tetrabutyl zirconate accounting for 5%, and stirring for 40min at a rotating speed of 500r/min, wherein the stirring is finished, so as to obtain nano silicon dioxide sol.
The specific steps of the carbon nanotube modified nanoparticle of the present embodiment are:
step one: performing ultrasonic dispersion on 30 parts of carbon nano tubes, 5 parts of nano attapulgite, 3 parts of sodium alginate and 40 parts of ethanol, and obtaining a body to be ground after the dispersion is finished;
step two: feeding the body to be ground into a grinder for grinding, grinding the body to be ground by 100 meshes, and washing and drying the body after finishing grinding;
step three: then the carbon nano tube modified nano particles are sent into a proton irradiation box with the temperature of 70 ℃ and the temperature of 300W for irradiation for 10min, and the carbon nano tube modified nano particles are obtained after the irradiation is finished.
The power of the ultrasonic dispersion in this example was 300W and the ultrasonic time was 30min.
The nanowires of this embodiment are ferroferric oxide nanowires.
The preparation method of the slow release coating agent of the embodiment comprises the following steps: adding chitosan solution into 3 times of ammonia water solution, adding silane coupling agent KH560 accounting for 5% of the total chitosan solution, adding azodiisobutyronitrile accounting for 3% of the chitosan solution and aromatic accounting for 10% of the total chitosan solution, reacting for 80min at 75 ℃, wherein the reaction rotating speed is 120r/min, and obtaining the slow-release coating agent after the reaction is finished.
The chitosan solution in the embodiment is prepared by mixing chitosan and acetic acid according to a weight ratio of 4:1.
The aromatic of this example is melaleuca alternifolia oil.
Example 3:
the antibacterial deodorizing slow-release fragrant polyester yarn comprises the following raw materials in parts by weight:
35 parts of polyester chips, 9 parts of carbon nanotube modified nano particles, 7.5 parts of silver fibers, 5 parts of nanowires, 3 parts of slow release coating agents and 2 parts of bentonite dispersing agents;
the preparation method of the bentonite dispersing agent comprises the following steps:
s1: reacting bentonite at 550 ℃ for 15min, ending the reaction, and then, at the speed of 2 ℃/min, reacting bentonite at 85 ℃ to obtain a to-be-dispersed substance;
s2: adding the dispersion to 2.5 times of nano silicon dioxide sol, stirring for reaction at the stirring speed of 600r/min for 35min, washing with water, and drying to obtain a nano silicon dioxide-bentonite complex;
s3: and (3) sending the nano silicon dioxide-bentonite complex to a temperature of 150 ℃ for reaction for 25min, and then continuing to react for 20min at the temperature of 100 ℃ to obtain the bentonite dispersing agent after the reaction is finished.
The preparation method of the nano silica sol in the embodiment comprises the following steps: adding nano silicon dioxide into epoxy resin according to a weight ratio of 1:3, then adding polyether polyamine accounting for 15% of the total amount of the nano silicon dioxide and tetrabutyl zirconate accounting for 3%, and stirring for 35min at a rotating speed of 300r/min, wherein the stirring is finished, so as to obtain nano silicon dioxide sol.
The specific steps of the carbon nanotube modified nanoparticle of the present embodiment are:
step one: performing ultrasonic dispersion on 25 parts of carbon nano tubes, 3 parts of nano attapulgite, 2 parts of sodium alginate and 35 parts of ethanol, and obtaining a body to be ground after the dispersion is finished;
step two: feeding the body to be ground into a grinder for grinding, grinding the body to be ground by 60 meshes, and washing and drying the body to be ground;
step three: then the carbon nano tube modified nano particles are sent into a proton irradiation box with the temperature of 60 ℃ and the temperature of 200W for 7.5min, and the carbon nano tube modified nano particles are obtained after the irradiation is finished.
The power of the ultrasonic dispersion in this example was 200W and the ultrasonic time was 25min.
The nanowires of this embodiment are zinc oxide nanowires.
The preparation method of the slow release coating agent of the embodiment comprises the following steps: adding chitosan solution into 2.5 times of ammonia water solution, adding silane coupling agent KH560 accounting for 3% of the total chitosan solution, adding azodiisobutyronitrile accounting for 2% of the chitosan solution and aromatic accounting for 7.5% of the total chitosan solution, reacting for 75min at 70 ℃, wherein the reaction rotating speed is 100r/min, and finishing the reaction to obtain the slow-release coating agent.
The chitosan solution in the embodiment is prepared by mixing chitosan and acetic acid according to a weight ratio of 4:1.
The aromatic in this example is rose essential oil.
Comparative example 1.
The materials and preparation process were substantially the same as in example 3, except that no carbon nanotube-modified nanoparticles were added.
Comparative example 2.
The materials and preparation process were substantially the same as in example 3, except that no bentonite dispersant was added.
Comparative example 3.
The materials and preparation process were substantially the same as in example 3, except that no nano-attapulgite was added to the carbon nanotube-modified nanoparticles.
Comparative example 4.
The materials and preparation process are basically the same as those of example 3, except that sodium alginate is not added to the carbon nanotube-modified nanoparticles.
Melt spinning the raw materials of examples 1 to 3 and comparative examples 1 to 4; the feeding amount of a spinning metering pump is controlled to be 700-850 g/min, the spinning temperature is 285-300 ℃, the spinning speed is 850-1000 m/min, and the draft multiple is 2.0-3.0 times, so that the antibacterial deodorizing slow-release fragrant polyester yarn is prepared.
Antibacterial effect
The test was performed according to GB/T20944.3-2008 shaking method.
Fragrance test using polyester yarns
Fragrance was tested at intervals of 0.5, 1, 1.5 and 5 hours, respectively
Class I: the presence of a fragrance;
class II: no fragrance is present.
Performance testing of the products of examples 1-3 and comparative examples 1-4:
from examples 1-3 and comparative examples 1-4, the product of example 3 of the present invention has excellent antibacterial property and slow-release fragrance property, and the antibacterial property of the product is remarkably reduced without adding carbon nanotube modified nanoparticles, and the slow-release property of the product is remarkably reduced without adding bentonite dispersing agent.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (4)
1. The antibacterial deodorizing slow-release fragrant polyester yarn is characterized by comprising the following raw materials in parts by weight:
30-40 parts of polyester chips, 7-11 parts of carbon nanotube modified nano particles, 5-10 parts of silver fibers, 2-8 parts of nanowires, 1-5 parts of slow release coating agents and 1-3 parts of bentonite dispersing agents;
the preparation method of the bentonite dispersing agent comprises the following steps:
s1: reacting bentonite at 500-600 ℃ for 10-20min, ending the reaction, and then, at the speed of 1-3 ℃/min, reacting bentonite at 80-90 ℃ to obtain a to-be-dispersed substance;
s2: adding the dispersion to 2-3 times of nano silicon dioxide sol, stirring for reaction at 500-700r/min for 30-40min, washing with water, and drying to obtain nano silicon dioxide-bentonite complex;
s3: the nano silicon dioxide-bentonite complex is sent to 100-200 ℃ for reaction for 20-30min, then the reaction is continued for 15-25min at 80-120 ℃ and the bentonite dispersing agent is obtained after the reaction is finished;
the preparation method of the nano silicon dioxide sol comprises the following steps: adding nano silicon dioxide into epoxy resin according to a weight ratio of 1:3, then adding polyether polyamine accounting for 10-20% of the total amount of the nano silicon dioxide and tetrabutyl zirconate accounting for 1-5%, stirring for 30-40min at a rotating speed of 100-500r/min, and obtaining nano silicon dioxide sol after stirring;
the specific steps of the carbon nano tube modified nano particle are as follows:
step one: performing ultrasonic dispersion on 20-30 parts of carbon nano tubes, 1-5 parts of nano attapulgite, 1-3 parts of sodium alginate and 30-40 parts of ethanol, and obtaining a body to be ground after the dispersion is finished;
step two: feeding the body to be ground into a grinder for grinding, grinding the body to be ground by 20-100 meshes, and washing and drying the body after finishing grinding;
step three: then the mixture is sent into a proton irradiation box with the temperature of 50-70 ℃ and the temperature of 100-300W for irradiation for 5-10min, and the carbon nano tube modified nano particles are obtained after the irradiation is finished;
the power of ultrasonic dispersion is 100-300W, and the ultrasonic time is 20-30min;
the nanowire is one or a combination of more of a ferroferric oxide nanowire, a manganese dioxide nanowire, a zinc oxide nanowire, a silicon carbide nanowire and a copper oxide nanowire; the preparation method of the slow-release coating agent comprises the following steps: adding chitosan solution into 2-3 times of ammonia water, adding silane coupling agent KH560 accounting for 1-5% of the total chitosan solution, adding azodiisobutyronitrile accounting for 1-3% of the chitosan solution and aromatic accounting for 5-10% of the total chitosan solution, and reacting for 60-80min at 65-75 ℃ at the speed of 80-120r/min, wherein the reaction is finished to obtain the slow-release coating agent.
2. The antibacterial deodorizing slow-release fragrant polyester yarn according to claim 1, wherein the polyester yarn comprises the following raw materials in parts by weight:
35 parts of polyester chips, 9 parts of carbon nanotube modified nano particles, 7.5 parts of silver fibers, 5 parts of nanowires, 3 parts of slow release coating agents and 2 parts of bentonite dispersing agents.
3. The antibacterial deodorizing slow-release fragrant polyester yarn according to claim 1, wherein the aromatic is one of rose essential oil, melaleuca alternifolia leaf oil or rose essential oil.
4. The antibacterial deodorizing slow-release fragrant polyester yarn according to claim 1, wherein the power of ultrasonic dispersion is 200W and the ultrasonic time is 25min.
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| CN115255355A (en) * | 2022-07-22 | 2022-11-01 | 株洲托普硬质合金材料有限公司 | Preparation method of high-wear-resistance thermal spraying powder |
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