CN115559116A - Single-component washing-resistant antibacterial finishing agent and preparation method and application thereof - Google Patents
Single-component washing-resistant antibacterial finishing agent and preparation method and application thereof Download PDFInfo
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- CN115559116A CN115559116A CN202211221046.7A CN202211221046A CN115559116A CN 115559116 A CN115559116 A CN 115559116A CN 202211221046 A CN202211221046 A CN 202211221046A CN 115559116 A CN115559116 A CN 115559116A
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- finishing agent
- antibacterial finishing
- ion exchange
- washing
- exchange resin
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- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 190
- 238000005406 washing Methods 0.000 title claims abstract description 90
- 238000002360 preparation method Methods 0.000 title claims abstract description 41
- 238000006243 chemical reaction Methods 0.000 claims abstract description 30
- 239000000126 substance Substances 0.000 claims abstract description 16
- 239000003795 chemical substances by application Substances 0.000 claims description 122
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 62
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 57
- 239000003456 ion exchange resin Substances 0.000 claims description 47
- 229920003303 ion-exchange polymer Polymers 0.000 claims description 47
- 239000004744 fabric Substances 0.000 claims description 37
- 229920000742 Cotton Polymers 0.000 claims description 33
- 238000001035 drying Methods 0.000 claims description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 claims description 24
- 150000001450 anions Chemical class 0.000 claims description 24
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 21
- 239000000047 product Substances 0.000 claims description 19
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 15
- LRWZZZWJMFNZIK-UHFFFAOYSA-N 2-chloro-3-methyloxirane Chemical compound CC1OC1Cl LRWZZZWJMFNZIK-UHFFFAOYSA-N 0.000 claims description 13
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 12
- 239000012044 organic layer Substances 0.000 claims description 12
- 238000002791 soaking Methods 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 11
- -1 tetrafluoroborate Chemical compound 0.000 claims description 11
- 238000010992 reflux Methods 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 9
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 claims description 8
- 239000007864 aqueous solution Substances 0.000 claims description 8
- 239000002904 solvent Substances 0.000 claims description 8
- 125000005270 trialkylamine group Chemical group 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 7
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 6
- 238000005342 ion exchange Methods 0.000 claims description 6
- 150000003512 tertiary amines Chemical class 0.000 claims description 6
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical group [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 5
- 230000007935 neutral effect Effects 0.000 claims description 5
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical group CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical group [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims description 4
- 239000007795 chemical reaction product Substances 0.000 claims description 4
- XMBWDFGMSWQBCA-UHFFFAOYSA-M iodide Chemical group [I-] XMBWDFGMSWQBCA-UHFFFAOYSA-M 0.000 claims description 4
- 229940006461 iodide ion Drugs 0.000 claims description 4
- DIAIBWNEUYXDNL-UHFFFAOYSA-N n,n-dihexylhexan-1-amine Chemical compound CCCCCCN(CCCCCC)CCCCCC DIAIBWNEUYXDNL-UHFFFAOYSA-N 0.000 claims description 4
- BUHHOHWMNZQMTA-UHFFFAOYSA-N n,n-dioctadecyloctadecan-1-amine Chemical compound CCCCCCCCCCCCCCCCCCN(CCCCCCCCCCCCCCCCCC)CCCCCCCCCCCCCCCCCC BUHHOHWMNZQMTA-UHFFFAOYSA-N 0.000 claims description 4
- KIDHWZJUCRJVML-UHFFFAOYSA-N putrescine Chemical compound NCCCCN KIDHWZJUCRJVML-UHFFFAOYSA-N 0.000 claims description 4
- IMFACGCPASFAPR-UHFFFAOYSA-N tributylamine Chemical compound CCCCN(CCCC)CCCC IMFACGCPASFAPR-UHFFFAOYSA-N 0.000 claims description 4
- ABVVEAHYODGCLZ-UHFFFAOYSA-N tridecan-1-amine Chemical compound CCCCCCCCCCCCCN ABVVEAHYODGCLZ-UHFFFAOYSA-N 0.000 claims description 4
- ITMCEJHCFYSIIV-UHFFFAOYSA-M triflate Chemical compound [O-]S(=O)(=O)C(F)(F)F ITMCEJHCFYSIIV-UHFFFAOYSA-M 0.000 claims description 4
- PWGJDPKCLMLPJW-UHFFFAOYSA-N 1,8-diaminooctane Chemical compound NCCCCCCCCN PWGJDPKCLMLPJW-UHFFFAOYSA-N 0.000 claims description 3
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical group [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 claims description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical group [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 3
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 claims description 3
- 229940006460 bromide ion Drugs 0.000 claims description 3
- NAQMVNRVTILPCV-UHFFFAOYSA-N hexane-1,6-diamine Chemical compound NCCCCCCN NAQMVNRVTILPCV-UHFFFAOYSA-N 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- VMKOFRJSULQZRM-UHFFFAOYSA-N 1-bromooctane Chemical compound CCCCCCCCBr VMKOFRJSULQZRM-UHFFFAOYSA-N 0.000 claims description 2
- YQLZOAVZWJBZSY-UHFFFAOYSA-N decane-1,10-diamine Chemical compound NCCCCCCCCCCN YQLZOAVZWJBZSY-UHFFFAOYSA-N 0.000 claims description 2
- WFVLGDMOCAFNNS-UHFFFAOYSA-N n,n-di(tetradecyl)tetradecan-1-amine Chemical compound CCCCCCCCCCCCCCN(CCCCCCCCCCCCCC)CCCCCCCCCCCCCC WFVLGDMOCAFNNS-UHFFFAOYSA-N 0.000 claims description 2
- LYYLWJOKAQADDU-UHFFFAOYSA-N n,n-dihexadecylhexadecan-1-amine Chemical compound CCCCCCCCCCCCCCCCN(CCCCCCCCCCCCCCCC)CCCCCCCCCCCCCCCC LYYLWJOKAQADDU-UHFFFAOYSA-N 0.000 claims description 2
- XTAZYLNFDRKIHJ-UHFFFAOYSA-N n,n-dioctyloctan-1-amine Chemical compound CCCCCCCCN(CCCCCCCC)CCCCCCCC XTAZYLNFDRKIHJ-UHFFFAOYSA-N 0.000 claims description 2
- 230000035484 reaction time Effects 0.000 claims description 2
- SWZDQOUHBYYPJD-UHFFFAOYSA-N tridodecylamine Chemical compound CCCCCCCCCCCCN(CCCCCCCCCCCC)CCCCCCCCCCCC SWZDQOUHBYYPJD-UHFFFAOYSA-N 0.000 claims description 2
- 239000004753 textile Substances 0.000 abstract description 25
- 238000007730 finishing process Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 21
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 20
- 239000007788 liquid Substances 0.000 description 20
- 241000191967 Staphylococcus aureus Species 0.000 description 14
- 241000588724 Escherichia coli Species 0.000 description 13
- 239000000203 mixture Substances 0.000 description 11
- 239000002994 raw material Substances 0.000 description 9
- 238000012360 testing method Methods 0.000 description 9
- 239000000243 solution Substances 0.000 description 6
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 5
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 239000003242 anti bacterial agent Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 230000003534 oscillatory effect Effects 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 230000005764 inhibitory process Effects 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 230000003385 bacteriostatic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000004431 polycarbonate resin Substances 0.000 description 1
- 229920005668 polycarbonate resin Polymers 0.000 description 1
- 238000007142 ring opening reaction Methods 0.000 description 1
- 239000012224 working solution Substances 0.000 description 1
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
- D06M13/46—Compounds containing quaternary nitrogen atoms
- D06M13/463—Compounds containing quaternary nitrogen atoms derived from monoamines
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D301/00—Preparation of oxiranes
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D303/00—Compounds containing three-membered rings having one oxygen atom as the only ring hetero atom
- C07D303/02—Compounds containing oxirane rings
- C07D303/36—Compounds containing oxirane rings with hydrocarbon radicals, substituted by nitrogen atoms
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
- D06M13/46—Compounds containing quaternary nitrogen atoms
- D06M13/467—Compounds containing quaternary nitrogen atoms derived from polyamines
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Microbiology (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention provides a single-component water-washing-resistant antibacterial finishing agent, and a preparation method and application thereof, wherein the chemical formula is { [ (CH) 3 OCH)CH 2 ]N + [CH 2 (CH 2 CH 2 ) n CH 3 ] 3 }X ‑ The single-component washable antibacterial finishing agent A is marked; or the single-component water-washing-resistant antibacterial finishing agent B: { [ (CH) 3 OCH)CH 2 ][CH 3 (CH 2 CH 2 ) n CH 2 ] 2 N + (CH 2 CH 2 ) m N + [CH 2 (CH 2 CH 2 ) n CH 3 ] 2 [CH 2 (CHOCH 3 )]}(X ‑ ) 2 . The single-component washable antibacterial finishing agent can be prepared by simple reaction steps with medium to high yield (55-96%). Through the technical scheme of the invention, the developed single-component water-washing-resistant antibacterial finishing agent not only can obviously improve the antibacterial effect and the added value of the textile, but also can improve the finishing efficiency in the finishing stage, has simple use steps and small use amount, and greatly improves the production efficiency and the environmental friendliness of the antibacterial finishing process.
Description
Technical Field
The invention relates to the technical field of special chemicals for textiles, in particular to a single-component water-washing-resistant antibacterial finishing agent and a preparation method and application thereof.
Background
However, the clothes and textiles obtained by adopting the traditional antibacterial finishing process have the problem that the antibacterial capability is greatly reduced after a plurality of times of water washing, and the development of efficient, durable and safe antibacterial finishing agents is increasingly emphasized.
The patent with publication number CN103046348B discloses a manufacturing method and structure of a high temperature water-washing resistant and antibacterial fabric, which comprises coating polycarbonate resin, bridging agent (bridging agent) and nano silver ions on a base fabric, and performing corresponding post-finishing operation to obtain the high temperature water-washing resistant antibacterial fabric; patent publication No. CN111535026B discloses a preparation method of a washable, three-proofing, easy-to-clean and antibacterial fabric, which is characterized in that a working solution simultaneously containing a C6 durable, three-proofing finishing agent, a pure cotton durable, fluorine-free waterproof agent, a durable cross-linking agent, an antibacterial agent and a waterproof special penetrating agent is prepared, the fabric is padded, and then dried and baked. Although a certain antibacterial effect is achieved, the process is complicated, the finishing agent is more in preparation components, the use steps are complex, and the use amount is high.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art or the related art.
Therefore, the invention aims to provide the single-component water-washing-resistant antibacterial finishing agent and the preparation method and application thereof, and the single-component water-washing-resistant antibacterial finishing agent is developed, so that the antibacterial effect and the additional value of textiles can be obviously improved, the finishing efficiency in the finishing stage can be improved, the use steps are simple, the use amount is small, and the production efficiency and the environment friendliness of an antibacterial finishing process are greatly improved.
In order to achieve the purpose, the technical scheme of the first aspect of the invention provides a single-component washable antibacterial finishing agent, which has a chemical formula: { [ (CH) 3 OCH)CH 2 ]N + [CH 2 (CH 2 CH 2 ) n CH 3 ] 3 }X - The chemical structural formula is as follows:
wherein, X - Is a corresponding anion, is F - 、Cl - 、Br - 、I - 、NO 3 - 、BF 4 - 、PF 6 - 、CH 3 COO - And CF 3 SO 3 - Any one of the above-mentioned (b) and (c),
n is the length number of the carbon chain and the value range is 0 to 8.
According to the technical scheme, the chemical structure of the single-component water-washing-resistant antibacterial finishing agent is provided, the antibacterial finishing of textiles can be realized without auxiliaries such as a bridging agent, the preparation raw materials of the single-component water-washing-resistant antibacterial finishing agent are easy to obtain, the reaction operation is simple and convenient to implement, the textiles subjected to antibacterial finishing by the single-component water-washing-resistant antibacterial finishing agent have excellent antibacterial capacity to escherichia coli and staphylococcus aureus, the water-washing-resistant antibacterial property is achieved, and the application process is simple, convenient and reliable.
When the single-component washing-resistant antibacterial finishing agent A is used for soaking textiles, hydroxyl groups in cellulose of cotton fabrics react with three-membered epoxy rings to generate ring-opening reaction, and then the antibacterial finishing agent A is grafted and finished on the cotton fabrics.
The technical scheme of the second aspect of the invention provides a single-component washable antibacterial finishing agent, which has the chemical formula:
{[(CH 3 OCH)CH 2 ][CH 3 (CH 2 CH 2 ) n CH 2 ] 2 N + (CH 2 CH 2 ) m N + [CH 2 (CH 2 CH 2 ) n CH 3 ] 2 [CH 2 (CHOCH 3 )]}(X - ) 2 the chemical structural formula is as follows:
wherein, X - Is a corresponding anion, is F - 、Cl - 、Br - 、I - 、NO 3 - 、BF 4 - 、PF 6 - 、CH 3 COO - And CF 3 SO 3 - Any one of the above-mentioned (b) and (c),
n and m are the number of carbon chain lengths, wherein the value of n ranges from 0 to 8, and the value of m ranges from 1 to 5.
According to the technical scheme, the chemical structure of the single-component water-washing-resistant antibacterial finishing agent is provided, the antibacterial finishing of textiles can be realized without auxiliaries such as a bridging agent, the preparation raw materials of the single-component water-washing-resistant antibacterial finishing agent are easy to obtain, the reaction operation is simple and convenient to implement, the textiles subjected to antibacterial finishing by the single-component water-washing-resistant antibacterial finishing agent have excellent antibacterial capacity to escherichia coli and staphylococcus aureus, the water-washing-resistant antibacterial property is achieved, and the application process is simple, convenient and reliable.
When the single-component washable antibacterial finishing agent B is used for soaking textiles, hydroxyl groups in cellulose of cotton fabrics and three-membered epoxy rings react to generate an open-loop reaction, and then the antibacterial finishing agent B is grafted and finished on the cotton fabrics.
The technical scheme of the third aspect of the invention provides a preparation method of a single-component washable antibacterial finishing agent, which comprises the following steps:
mixing trialkylamine and epoxy chloropropane, heating to reflux, and reacting, wherein the molar ratio of the trialkylamine to the epoxy chloropropane is 1: (1-20);
after the reaction is finished, pouring the reaction product into ether for settling to separate out a viscous product;
washing the viscous product with diethyl ether, and drying at 80 deg.C under vacuum to obtain single-component antibacterial finishing agent A with water resistance, wherein anion X - Is Cl - 。
According to the technical scheme, the preparation method is simple in steps, the preparation of the single-component water-washing-resistant antibacterial finishing agent A is realized, the product purity is larger than 92%, the yield can reach 55% -96%, the structure of the antibacterial finishing agent can be changed by changing the structure of raw materials, the preparation method is convenient and reliable, the raw materials are easy to obtain, the preparation cost is low, the prepared single-component water-washing-resistant antibacterial finishing agent A can realize the antibacterial finishing of textiles without auxiliaries such as a bridging agent and the like, the textiles subjected to the antibacterial finishing by the single-component water-washing-resistant antibacterial finishing agent have excellent antibacterial capacity to escherichia coli and staphylococcus aureus, the water-washing-resistant antibacterial property is realized, and the application process is simple, convenient and reliable.
In the above technical solution, preferably, the preparation method of the single-component water-fast antibacterial finishing agent further comprises the following steps:
ion exchange is carried out with ion exchange resin containing appointed anions to obtain the single-component washable antibacterial finishing agent containing the appointed anions,
the ion exchange resin containing the specified anions is any one of fluoride ion exchange resin, bromide ion exchange resin, iodide ion exchange resin, nitrate ion exchange resin, tetrafluoroborate ion exchange resin, hexafluorophosphate ion exchange resin, acetate ion exchange resin and trifluoromethanesulfonate ion exchange resin.
In the technical scheme, the single-component water-washing-resistant antibacterial finishing agent A containing different specified anions can be obtained by ion exchange with ion exchange resin containing the specified anions, can be of various different chemical structural formulas, is strong in selectivity, and can be applied to antibacterial finishing processes of different types of textiles.
In any one of the above technical solutions, preferably, the reaction time of the trialkylamine and the epichlorohydrin is 6 to 48 hours; the times of washing the viscous product by using ether are 2-6 times; the drying time of the viscous product is 24-48 h; the trialkylamine is any one of triethylamine, tributylamine, trihexylamine, trioctylamine, tridecylamine, tridodecylamine, tritetradecylamine, trihexadecylamine and trioctadecylamine.
In the technical scheme, the process parameters and the raw material types of the preparation method are further limited, the single-component washable antibacterial finishing agent A with a specific chemical structure can be generated, and the purity and the yield of the single-component washable antibacterial finishing agent A are further guaranteed.
The technical scheme of the fourth aspect of the invention provides a preparation method of a single-component water-washing-resistant antibacterial finishing agent, which comprises the following steps:
dissolving alpha, omega-alkyl diamine in tetrahydrofuran solvent, adding sodium hydroxide or potassium hydroxide, stirring and mixing, then adding n-bromoalkane, heating to reflux, and reacting, wherein the molar ratio of the alpha, omega-alkyl diamine to the sodium hydroxide or potassium hydroxide is 1 (4-4.4), and the molar ratio of the n-bromoalkane to the alpha, omega-alkyl diamine is (4-4.4): 1;
after the reaction is finished, removing the tetrahydrofuran solvent, adding ethyl acetate, and filtering to remove solids;
washing the ethyl acetate organic layer by using equivalent water until the pH value of the ethyl acetate organic layer is neutral, drying the ethyl acetate organic layer and removing an ethyl acetate solvent to obtain a corresponding tertiary amine intermediate;
mixing a tertiary amine intermediate and epoxy chloropropane, heating to reflux, reacting, and recording as a second reaction process, wherein the molar ratio of the tertiary amine intermediate to the epoxy chloropropane is 1: (2-20);
after the reaction is finished, pouring the reaction product into ether for sedimentation to separate out a viscous product;
washing the viscous product with diethyl ether, and drying at 80 deg.C under vacuum to obtain single-component antibacterial finishing agent B with water resistance, wherein anion X - Is Br - 。
According to the technical scheme, the preparation method is simple in steps, the preparation of the single-component water-washing-resistant antibacterial finishing agent B is realized, the product purity is higher than 90%, the yield can reach 55% -96%, the structure of the antibacterial finishing agent can be changed by changing the structure of raw materials, the preparation method is convenient and reliable, the raw materials are easy to obtain, the preparation cost is low, the prepared single-component water-washing-resistant antibacterial finishing agent B can realize the antibacterial finishing of textiles without auxiliaries such as a bridging agent and the like, the textiles subjected to the antibacterial finishing by the single-component water-washing-resistant antibacterial finishing agent have excellent antibacterial capacity to escherichia coli and staphylococcus aureus, the water-washing-resistant antibacterial property is realized, and the application process is simple, convenient and reliable.
In the above technical solution, preferably, the preparation method of the single-component water-fast antibacterial finishing agent further comprises the following steps:
ion exchange is carried out with ion exchange resin containing specified anions to obtain the single-component water-resistant antibacterial finishing agent containing the specified anions,
the ion exchange resin containing the specified anion is any one of fluoride ion exchange resin, chloride ion exchange resin, iodide ion exchange resin, nitrate ion exchange resin, tetrafluoroborate ion exchange resin, hexafluorophosphate ion exchange resin, acetate ion exchange resin and trifluoromethanesulfonate ion exchange resin.
In the technical scheme, the single-component water-washing-resistant antibacterial finishing agent B containing different specified anions can be obtained by performing ion exchange with ion exchange resin containing the specified anions, can have various different chemical structural formulas, has strong selectivity, and can be applied to antibacterial finishing processes of different types of textiles.
In any of the above technical solutions, preferably, the duration of the first reaction process is 24h to 96h; the time length of the second reaction process is 6-48 h; the times of washing the viscous product by using ether are 2-6 times; the drying time of the viscous product is 24-48 h;
the alpha, omega-alkyl diamine is any one of 1, 2-ethanediamine, 1, 4-butanediamine, 1, 6-hexanediamine, 1, 8-octanediamine and 1, 10-decanediamine;
the n-bromoalkane is any one of n-bromoethane, n-bromobutane, n-bromohexane, n-bromooctane, n-bromodecane, n-bromododecane, n-bromotetradecane, n-bromohexadecane and n-bromooctadecane.
In the technical scheme, the process parameters and the raw material types of the preparation method are further limited, the single-component water-washing-resistant antibacterial finishing agent B with a specific chemical structure can be generated, and the purity and the yield of the single-component water-washing-resistant antibacterial finishing agent B are further ensured.
The technical scheme of the fifth aspect of the invention provides the application of the single-component washable antibacterial finishing agent in the technical scheme, which is applied to antibacterial finishing of cotton fabrics,
preparing a single-component water-washing-resistant antibacterial finishing agent A or a single-component water-washing-resistant antibacterial finishing agent B into an aqueous solution with the mass concentration of 0.01-0.5%; and soaking the cotton fabric in the aqueous solution, and then washing and drying to obtain the antibacterial cotton fabric.
According to the technical scheme, the single-component water-washing-resistant antibacterial finishing agent A or the single-component water-washing-resistant antibacterial finishing agent B is prepared into an aqueous solution with the mass concentration of 0.01% -0.5%, the cotton fabric is soaked and then washed and dried, so that the antibacterial cotton fabric can be obtained, the application method is simple and reliable, the using amount is small, the cost is low, the obtained antibacterial cotton fabric has an excellent water-washing-resistant antibacterial function, the antibacterial rate to escherichia coli and staphylococcus aureus reaches 100%, the antibacterial rate to escherichia coli and staphylococcus aureus after washing for 50 times can still reach more than 70%, and the antibacterial effect is better when the mass concentration is 0.3% or more.
In the above technical solution, preferably, the soaking process parameters specifically are: the soaking bath ratio is 1: (5-30); the soaking temperature is 50-80 ℃; the soaking time is 10min to 120min,
the washing and drying process parameters are as follows: washing with water for 3 times; the drying temperature is 80 ℃; the drying time is 1h.
In the technical scheme, specific parameters of an application method of the single-component water-washing-resistant antibacterial finishing agent A or the single-component water-washing-resistant antibacterial finishing agent B are further defined, so that the single-component water-washing-resistant antibacterial finishing agent A or the single-component water-washing-resistant antibacterial finishing agent B can fully act on cotton fabrics to perform antibacterial finishing on the cotton fabrics, and the water-washing-resistant antibacterial performance of the cotton fabrics is further improved.
The single-component washable antibacterial finishing agent, and the preparation method and application thereof provided by the invention have the following beneficial technical effects:
(1) The textile treated by the single-component washable antibacterial finishing agent provided by the invention has excellent antibacterial ability to escherichia coli and staphylococcus aureus, washable antibacterial property, and simple and reliable application process.
(2) The single-component washable antibacterial finishing agent provided by the invention can be used independently to realize antibacterial finishing of textiles, auxiliaries such as a bridging agent and the like are not needed, the using amount is small, the using steps are simple, and the efficiency and the environmental friendliness in the antibacterial finishing process are greatly improved.
(3) The preparation method of the single-component washable antibacterial finishing agent provided by the invention is simple and reliable, the raw materials for preparation are easy to obtain, the reaction operation is simple and easy to implement, the product purity is higher, the yield is higher, and the production cost is lower.
(4) The application process of the single-component water-washing-resistant antibacterial finishing agent provided by the invention is simple, convenient and reliable, the single-component water-washing-resistant antibacterial finishing agent A or the single-component water-washing-resistant antibacterial finishing agent B is prepared into an aqueous solution with the mass concentration of 0.01-0.5%, the cotton fabric is soaked, and then is washed and dried, so that the antibacterial cotton fabric can be obtained, the usage amount is less, the cost is lower, the obtained antibacterial cotton fabric has an excellent water-washing-resistant antibacterial function, the antibacterial rate to escherichia coli and staphylococcus aureus reaches 100%, the antibacterial rate to escherichia coli and staphylococcus aureus can still reach more than 70% after being washed for 50 times, and the antibacterial effect is better when the mass concentration is 0.3% or more.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 shows a graph of a relation between mass concentration and bacteriostasis rate when a single-component water-fast antibacterial finishing agent A2 prepared by a single-component water-fast antibacterial finishing agent preparation method according to an embodiment of the invention is applied to antibacterial finishing of cotton fabrics;
fig. 2 is a graph showing the results of the bacteriostatic rate test before and after washing when the single-component water-fast antibacterial finishing agents A2 and B2 according to the embodiment of the invention are applied to the antibacterial finishing of cotton fabrics.
Detailed Description
The invention discloses a single-component water-washing-resistant antibacterial finishing agent, and a preparation method and application thereof. It is expressly intended that all such similar substitutes and modifications which would be obvious to one skilled in the art are deemed to be included in the invention. While the methods and applications of this invention have been described in terms of preferred embodiments, it will be apparent to those of ordinary skill in the art that variations and modifications in the methods and applications described herein, as well as other suitable variations and combinations, may be made to implement and use the techniques of this invention without departing from the spirit and scope of the invention.
The invention is further illustrated by the following examples:
example 1
One-component washable antibacterial finishing agent A1 { [ (CH) 3 OCH)CH 2 ]N + [CH 2 CH 2 CH 2 CH 3 ] 3 }Cl - Preparation method of (2)
Adding 10g (54 mmol) of tributylamine into a flask, adding 25g (270 mmol) of epichlorohydrin according to the molar ratio of the tributylamine to the epichlorohydrin of 1;
reacting for 12 hours, and after the reaction is finished, pouring the mixture into 100mL of diethyl ether for settling to separate out a viscous solid;
washing the sticky solid for 3 times by adopting ether and ultrasonic technology, and drying for 24 hours at the vacuum temperature of 80 ℃ to obtain the single-component water-washing-resistant antibacterial finishing agent A1.
The yield of the single-component washable antibacterial finishing agent A1 is 96%, and the purity of the single-component washable antibacterial finishing agent A1 is 98%.
Example 2
One-component washable antibacterial finishing agent A2 { [ (CH) 3 OCH)CH 2 ]N + [CH 2 (CH 2 CH 2 ) 2 CH 3 ] 3 }Br - Preparation method of (1)
Adding 8g (30 mmol) of trihexylamine into a flask, adding 16.7g (180 mmol) of epichlorohydrin according to the molar ratio of the trihexylamine to the epichlorohydrin of 1;
reacting for 24 hours, and after the reaction is finished, pouring the mixture into 100mL of diethyl ether for sedimentation to separate out viscous liquid;
washing the viscous liquid for 3 times by using ether and ultrasonic technology, and drying for 24 hours under the condition of vacuum at 80 ℃;
and dissolving the obtained viscous liquid in ethanol, allowing the viscous liquid to pass through bromide ion exchange resin at the speed of 1mL/min, removing the ethanol, and drying at the temperature of 80 ℃ in vacuum for 24 hours to obtain the single-component water-washing-resistant antibacterial finishing agent A2.
The yield of the single-component washable antibacterial finishing agent A2 is 89%, and the purity of the single-component washable antibacterial finishing agent A2 is 96%.
Example 3
One-component water-washing-resistant antibacterial finishing agent A3 { [ (CH) 3 OCH)CH 2 ]N + [CH 2 (CH 2 CH 2 ) 4 CH 3 ] 3 }NO 3 - Preparation method of (1)
Adding 8g (18.3 mmol) of tridecylamine into a flask, adding 13.5g (146 mmol) of epichlorohydrin according to the molar ratio of the tridecylamine to the epichlorohydrin of 1;
reacting for 48 hours, and after the reaction is finished, pouring the mixture into 100mL of diethyl ether for settling to separate out viscous liquid;
washing the viscous liquid for 3 times by using ether and ultrasonic technology, and drying for 24 hours under the vacuum condition of 80 ℃;
and dissolving the obtained viscous liquid in ethanol, passing through nitrate ion exchange resin at the speed of 1mL/min, removing the ethanol, and drying at the temperature of 80 ℃ in vacuum for 24 hours to obtain the single-component water-resistant antibacterial finishing agent A3.
The yield of the single-component water-resistant antibacterial finishing agent A3 is 82%, and the purity is 96%.
Example 4
One-component water-washing-resistant antibacterial finishing agent A4 { [ (CH) 3 OCH)CH 2 ]N + [CH 2 (CH 2 CH 2 ) 8 CH 3 ] 3 }PF 6 - Preparation method of (1)
Adding 8g (10.3 mmol) of trioctadecyl amine into a flask, adding 14.4g (155 mmol) of epoxy chloropropane according to the molar ratio of the trioctadecyl amine to the epoxy chloropropane of 1;
reacting for 48 hours, and after the reaction is finished, pouring the mixture into 100mL of diethyl ether for settling to separate out viscous liquid;
washing the viscous liquid for 3 times by using ether and ultrasonic technology, and drying for 24 hours under the condition of vacuum at 80 ℃;
and dissolving the obtained viscous liquid in ethanol, allowing the viscous liquid to pass through hexafluorophosphate ion exchange resin at the speed of 1mL/min, removing the ethanol, and drying at the temperature of 80 ℃ in vacuum for 24 hours to obtain the single-component water-washing-resistant antibacterial finishing agent A4.
The yield of the single-component water-resistant antibacterial finishing agent A4 is 73%, and the purity is 95%.
Example 5
A single-component washable antibacterial finishing agent B1,
{[(CH 3 OCH)CH 2 ][CH 3 (CH 2 CH 2 ) 2 CH 2 ] 2 N + (CH 2 CH 2 ) 2 N + [CH 2 (CH 2 CH 2 ) 2 CH 3 ] 2 [CH 2 (CHOCH 3 )]}(Cl - ) 2 preparation method of (1)
Dissolving 1.5g (25 mmol) of 1, 2-ethylenediamine in 100mL of tetrahydrofuran solvent, adding 4g (100 mmol) of sodium hydroxide, stirring at room temperature for 30 minutes, then adding 16.5g (100 mmol) of n-bromohexane, heating and refluxing for 24 hours, and carrying out a reaction;
after the reaction is finished, removing the solvent tetrahydrofuran, adding 150mL of ethyl acetate, and filtering to remove solids;
washing the ethyl acetate organic layer with equal amount of water until pH is neutral, drying the organic layer and removing solvent ethyl acetate to obtain [ CH ] 3 (CH 2 CH 2 ) 2 CH 2 ] 2 N(CH 2 CH 2 ) 2 N[CH 2 (CH 2 CH 2 ) 2 CH 3 ] 2 An intermediate;
mixing the intermediate with 23.1g (250 mmol) of epoxy chloropropane, heating to reflux, and reacting;
reacting for 24 hours, and after the reaction is finished, pouring the mixture into 150mL of diethyl ether for settling to separate out viscous liquid;
washing the viscous liquid for 4 times by using ether and ultrasonic technology, and drying for 24 hours under the condition of vacuum at 80 ℃;
dissolving the obtained viscous liquid in ethanol, passing through chloride ion exchange resin at the speed of 1mL/min, removing ethanol, and drying at 80 ℃ in vacuum for 36 hours to obtain the single-component water-resistant antibacterial finishing agent B1.
The yield of the single-component water-resistant antibacterial finishing agent B1 is 61%, and the purity is 94%.
Example 6
A single-component washable antibacterial finishing agent B2,
{[(CH 3 OCH)CH 2 ][CH 3 (CH 2 CH 2 ) 4 CH 2 ] 2 N + (CH 2 CH 2 ) 3 N + [CH 2 (CH 2 CH 2 ) 4 CH 3 ] 2 [CH 2 (CHOCH 3 )]}(Br - ) 2 preparation method of (1)
2g (17.2 mmol) of 1, 6-hexanediamine was dissolved in 100mL of tetrahydrofuran, 2.8g (70.0 mmol) of sodium hydroxide was added, and the mixture was stirred at room temperature for 30 minutes, and then 15.2g (68.8 mmol) of n-bromodecane was added, and the mixture was refluxed under heating for 36 hours to effect a reaction;
after the reaction is finished, removing the solvent tetrahydrofuran, adding 150mL of ethyl acetate, and filtering to remove solids;
washing the ethyl acetate organic layer with equal amount of water until pH is neutral, drying the organic layer and removing solvent ethyl acetate to obtain [ CH ] 3 (CH 2 CH 2 ) 4 CH 2 ] 2 N(CH 2 CH 2 ) 3 N[CH 2 (CH 2 CH 2 ) 4 CH 3 ] 2 An intermediate;
mixing the intermediate with 20g (216 mmol) of epoxy chloropropane, heating to reflux, and reacting;
reacting for 36 hours, and after the reaction is finished, pouring the mixture into 150mL of diethyl ether for settling to separate out viscous liquid;
washing the viscous liquid for 4 times by using ether and ultrasonic technology, and drying for 36 hours at the vacuum temperature of 80 ℃ to obtain the single-component water-resistant antibacterial finishing agent B2.
The yield of the single-component water-resistant antibacterial finishing agent B2 is 69%, and the purity is 97%.
Example 7
A single-component washable antibacterial finishing agent B3,
{[(CH 3 OCH)CH 2 ][CH 3 (CH 2 CH 2 ) 6 CH 2 ] 2 N + (CH 2 CH 2 ) 4 N + [CH 2 (CH 2 CH 2 ) 6 CH 3 ] 2 [CH 2 (CHOCH 3 )]}(BF 4 - ) 2 preparation method of (1)
2.5g (17.3 mmol) of 1, 8-octanediamine was dissolved in 100mL of tetrahydrofuran, 2.8g (70.0 mmol) of sodium hydroxide was added, and the mixture was stirred at room temperature for 30 minutes, and then 19.4g (70 mmol) of n-bromotetradecane was added, and the mixture was refluxed for 24 hours to effect a reaction;
after the reaction is finished, removing the solvent tetrahydrofuran, adding 150mL of ethyl acetate, and filtering to remove solids;
by usingWashing the ethyl acetate organic layer with equal amount of water until pH is neutral, drying the organic layer and removing the solvent ethyl acetate to obtain [ CH ] 3 (CH 2 CH 2 ) 6 CH 2 ] 2 N(CH 2 CH 2 ) 4 N[CH 2 (CH 2 CH 2 ) 6 CH 3 ] 2 An intermediate;
mixing the intermediate with 22g (238 mmol) of epoxy chloropropane, heating to reflux, and reacting;
reacting for 48 hours, and after the reaction is finished, pouring the mixture into 150mL of diethyl ether for settling to separate out viscous liquid;
washing the viscous liquid for 5 times by using ether and ultrasonic technology, and drying for 24 hours under the vacuum condition of 80 ℃;
and dissolving the obtained viscous liquid in ethanol, allowing the viscous liquid to pass through tetrafluoroborate ion exchange resin at the speed of 1mL/min, removing the ethanol, and drying at the temperature of 80 ℃ in vacuum for 36 hours to obtain the single-component water-washing-resistant antibacterial finishing agent B3.
The yield of the single-component water-resistant antibacterial finishing agent B3 is 55%, and the purity is 92%.
Application example 1
The single-component water-fast antibacterial finishing agent A2 prepared in the example 2 is prepared into water solutions with different mass concentrations, the cotton fabrics are soaked for 40 minutes under the conditions of 60 ℃ and a bath ratio of 1.
According to GB/T20944.3-2008, evaluation of antibacterial performance of textiles part 3: the method in the oscillatory method carries out quantitative antibacterial test on the antibacterial finished cotton fabric, and the test result is shown in figure 1.
As can be seen from fig. 1, with the increase of the mass concentration of the single-component water-resistant antibacterial finishing agent A2, the bacteriostasis rate of the cotton fabric obtained after antibacterial finishing gradually increases, and when the mass concentration is 0.3%, the bacteriostasis rate to escherichia coli and staphylococcus aureus can reach 100%. Therefore, in practical application, the concentration of the single-component water-resistant antibacterial finishing agent is generally controlled to be 0.3-0.5%, and the production cost is saved while the antibacterial effect is ensured.
Application example 2
The single-component water-washing-resistant antibacterial finishing agent A2 prepared in the embodiment 2 is prepared into an aqueous solution with the mass concentration of 0.3%, the cotton fabric is soaked for 40 minutes under the conditions that the temperature is 60 ℃ and the bath ratio is 1.
According to GB/T20944.3-2008, evaluation of antibacterial performance of textiles part 3: the method in the oscillatory method carries out quantitative antibacterial test on the antibacterial finished cotton fabric, and the test result is shown in figure 2. The bacteriostasis rate of the antibacterial agent to escherichia coli and staphylococcus aureus reaches 100 percent.
According to the test conditions in GB/T12490-2014 color fastness to household and commercial washing, after 50 times of washing, the antibacterial textile has 78.4% of inhibition rate on escherichia coli and 71.2% of inhibition rate on staphylococcus aureus, and is specifically shown in FIG. 2.
Therefore, the single-component washing-resistant antibacterial finishing agent can realize antibacterial finishing on textiles by being used alone, auxiliaries such as a bridging agent are not needed, the using amount is small, the using steps are simple, the obtained antibacterial cotton fabric has an excellent washing-resistant antibacterial function, and the antibacterial cotton fabric still has a high antibacterial effect after being washed for many times.
Application example 3
The single-component water-fast antibacterial finishing agent B2 prepared in the example 6 is prepared into an aqueous solution with the mass concentration of 0.4%, the cotton fabric is soaked for 60 minutes under the conditions of 60 ℃ and the bath ratio of 1.
According to GB/T20944.3-2008, evaluation part 3 of antibacterial performance of textiles: the method in the oscillatory method carries out quantitative antibacterial test on the antibacterial finished cotton fabric, and the test result is shown in figure 2. The bacteriostasis rate of the antibacterial agent to colibacillus and staphylococcus aureus reaches 100 percent.
According to the test conditions in GB/T12490-2014 color fastness to household and commercial washing, after 50 times of washing, the antibacterial textile has the bacteriostasis rate of 86.5% to escherichia coli and 84.2% to staphylococcus aureus, as shown in fig. 2.
Therefore, the single-component washable antibacterial finishing agent can be used alone to realize antibacterial finishing on textiles, auxiliaries such as a bridging agent are not needed, the using amount is small, the using steps are simple, the obtained antibacterial cotton fabric has an excellent washable antibacterial function, and the antibacterial cotton fabric still has a high antibacterial effect after being washed for many times.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and amendments can be made without departing from the principle of the present invention, and these modifications and amendments should also be considered as the protection scope of the present invention.
Claims (10)
1. The single-component washable antibacterial finishing agent is characterized by having the chemical formula: { [ (CH) 3 OCH)CH 2 ]N + [CH 2 (CH 2 CH 2 ) n CH 3 ] 3 }X - The chemical structural formula is as follows:
wherein X - Is a corresponding anion, is F - 、Cl - 、Br - 、I - 、NO 3 - 、BF 4 - 、PF 6 - 、CH 3 COO - And CF 3 SO 3 - Any one of the above-mentioned (a) and (b),
n is the length number of the carbon chain and the value range is 0 to 8.
2. The single-component washable antibacterial finishing agent is characterized by having the chemical formula: { [ (CH) 3 OCH)CH 2 ][CH 3 (CH 2 CH 2 ) n CH 2 ] 2 N + (CH 2 CH 2 ) m N + [CH 2 (CH 2 CH 2 ) n CH 3 ] 2 [CH 2 (CHOCH 3 )]}(X - ) 2 The chemical structural formula is as follows:
wherein, X - Is a corresponding anion, is F - 、Cl - 、Br - 、I - 、NO 3 - 、BF 4 - 、PF 6 - 、CH 3 COO - And CF 3 SO 3 - Any one of the above-mentioned (b) and (c),
n and m are the number of carbon chain lengths, wherein the value of n ranges from 0 to 8, and the value of m ranges from 1 to 5.
3. A preparation method of the single-component water-fast antibacterial finishing agent of claim 1, which is characterized by comprising the following steps:
mixing trialkylamine and epoxy chloropropane, heating to reflux, and reacting, wherein the molar ratio of the trialkylamine to the epoxy chloropropane is 1: (1-20);
after the reaction is finished, pouring the reaction product into ether for settling to separate out a viscous product;
washing the sticky product by using ether, and drying at the temperature of 80 ℃ in vacuum to obtain the single-component water-fast antibacterial finishing agent A, wherein the anion X-is Cl-.
4. The preparation method of the single-component water-fast antibacterial finishing agent according to claim 3, characterized by further comprising the following steps:
ion exchange is carried out with ion exchange resin containing specified anions to obtain the single-component water-resistant antibacterial finishing agent containing the specified anions,
the ion exchange resin containing the specified anions is any one of fluoride ion exchange resin, bromide ion exchange resin, iodide ion exchange resin, nitrate ion exchange resin, tetrafluoroborate ion exchange resin, hexafluorophosphate ion exchange resin, acetate ion exchange resin and trifluoromethanesulfonate ion exchange resin.
5. The preparation method of the single-component washable antibacterial finishing agent as claimed in claim 3 or 4,
the reaction time of the trialkylamine and the epichlorohydrin is 6-48 h;
the times of washing the viscous product by ether are 2-6 times;
the drying time of the viscous product is 24-48 h;
the trialkylamine is any one of triethylamine, tributylamine, trihexylamine, trioctylamine, tridecylamine, tridodecylamine, tritetradecylamine, trihexadecylamine and trioctadecylamine.
6. A preparation method of the single-component water-fast antibacterial finishing agent of claim 1, which is characterized by comprising the following steps:
dissolving alpha, omega-alkyl diamine in tetrahydrofuran solvent, adding sodium hydroxide or potassium hydroxide, stirring and mixing, then adding n-bromoalkane, heating to reflux, and reacting, wherein the molar ratio of the alpha, omega-alkyl diamine to the sodium hydroxide or potassium hydroxide is 1 (4-4.4), and the molar ratio of the n-bromoalkane to the alpha, omega-alkyl diamine is (4-4.4): 1;
after the reaction is finished, removing the tetrahydrofuran solvent, adding ethyl acetate, and filtering to remove solids;
washing the ethyl acetate organic layer by using equivalent water until the pH value of the ethyl acetate organic layer is neutral, drying the ethyl acetate organic layer and removing an ethyl acetate solvent to obtain a corresponding tertiary amine intermediate;
mixing a tertiary amine intermediate and epoxy chloropropane, heating to reflux, reacting, and recording as a second reaction process, wherein the molar ratio of the tertiary amine intermediate to the epoxy chloropropane is 1: (2-20);
after the reaction is finished, pouring the reaction product into ether for settling to separate out a viscous product;
washing the viscous product with diethyl ether, and drying at 80 deg.C under vacuum to obtain single-component antibacterial finishing agent B with water resistance, wherein anion X - Is Br - 。
7. The preparation method of the single-component water-fast antibacterial finishing agent according to claim 6, characterized by further comprising the following steps:
ion exchange is carried out with ion exchange resin containing specified anions to obtain the single-component water-resistant antibacterial finishing agent containing the specified anions,
the ion exchange resin containing the specified anions is any one of fluoride ion exchange resin, chloride ion exchange resin, iodide ion exchange resin, nitrate ion exchange resin, tetrafluoroborate ion exchange resin, hexafluorophosphate ion exchange resin, acetate ion exchange resin and trifluoromethanesulfonate ion exchange resin.
8. The preparation method of the single-component water-fast antibacterial finishing agent according to claim 6 or 7,
the duration of the first reaction process is 24-96 hours; the duration of the second reaction process is 6-48 h; the times of washing the viscous product by ether are 2-6 times; the drying time of the viscous product is 24-48 h;
the alpha, omega-alkyl diamine is any one of 1, 2-ethanediamine, 1, 4-butanediamine, 1, 6-hexanediamine, 1, 8-octanediamine and 1, 10-decanediamine;
the n-bromoalkane is any one of n-bromoethane, n-bromobutane, n-bromohexane, n-bromooctane, n-bromodecane, n-bromododecane, n-bromotetradecane, n-bromohexadecane and n-bromooctadecane.
9. The use of the one-component water-fast antibacterial finishing agent of claim 1 or claim 2, characterized in that it is used for antibacterial finishing of cotton fabrics,
preparing a single-component water-washing-resistant antibacterial finishing agent A or a single-component water-washing-resistant antibacterial finishing agent B into an aqueous solution with the mass concentration of 0.01-0.5%;
and soaking the cotton fabric in the aqueous solution, and then washing and drying to obtain the antibacterial cotton fabric.
10. The application of the single-component washable antibacterial finishing agent as claimed in claim 8,
the soaking technological parameters are as follows: the soaking bath ratio is 1: (5-30); the soaking temperature is 50-80 ℃; the soaking time is 10min to 120min,
the washing and drying process parameters are as follows: washing with water for 3 times; the drying temperature is 80 ℃; the drying time is 1h.
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