CN110512416A - A kind of antibacterial finishing agent of the cotton fabric containing nano silver - Google Patents

A kind of antibacterial finishing agent of the cotton fabric containing nano silver Download PDF

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CN110512416A
CN110512416A CN201910699519.6A CN201910699519A CN110512416A CN 110512416 A CN110512416 A CN 110512416A CN 201910699519 A CN201910699519 A CN 201910699519A CN 110512416 A CN110512416 A CN 110512416A
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parts
nano silver
nano
cotton fabric
average grain
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CN110512416B (en
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裴忠勇
王晶
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Huangshan Yongrui Biotechnology Co Ltd
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Huangshan Yongrui Biotechnology Co Ltd
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Abstract

The invention discloses a kind of antibacterial finishing agent of cotton fabric containing nano silver, raw material includes: 40-50 parts of polysiloxanes, 1.2-3 parts of poly-sulphonic acid betaine, 0.5-2 parts of sodium lauroyl glutamate, 0.3-1.5 parts of glycidyl trimethylammonium chloride, 1-2.5 parts of disecoctylmaleate sodium sulfonate, 0.3-1.2 parts of nano silver, γ-Fe by weight2O30.5-1.5 parts, 2-3.8 parts of carboxylic carbon nano-tube, 0.15-0.4 parts of Cellulose nanocrystal, 0.2-1.5 parts of nano cupric oxide, 2-5 parts of mixed acid, 2-7 parts of chitosan, 35-50 parts of water.Antibacterial finishing agent of the cotton fabric proposed by the present invention containing nano silver is used for the arrangement of cotton fabric, and antibiotic property and wrinkle resistance are good, improve the wearability of cotton fabric.

Description

A kind of antibacterial finishing agent of the cotton fabric containing nano silver
Technical field
The present invention relates to technical field of composite materials, and in particular to a kind of antibacterial finishing agent of the cotton fabric containing nano silver.
Background technique
Due to the continuous enhancing of consumer's environmental consciousness, to the quality of garment material, more stringent requirements are proposed, not only It is required that garment material shows vision, the beauty of tactile, but also answers the various utility functions of intension, such as uvioresistant, antibacterial deodourizing, prevent It is mould etc..Cotton fabric is because of soft, comfortable and easy to wear, source day however by the favor of people, but its fiber is more soft, In It easily wrinkles in wearing process, brings many inconvenience to the dress of people, while antibacterial and mouldproof is poor, Yi Yinqi bacteria breed, It threatens to the health of people, generally requires to carry out cotton fabric creasing anti-bacterial arrangement to improve its wearability.Currently, Most of cotton fabrics all use final finishing processing method to assign its creasing anti-bacterial effect, but there are antibacterial anti-wrinkle effect is undesirable Defect.
Summary of the invention
In order to solve the technical problems in background technology, the invention proposes a kind of cotton fabrics with anti-containing nano silver Bacterium finishing agent is used for the arrangement of cotton fabric, and antibiotic property and wrinkle resistance are good, improve the wearability of cotton fabric.
Antibacterial finishing agent of a kind of cotton fabric containing nano silver proposed by the present invention, raw material include: poly- silicon by weight 40-50 parts of oxygen alkane, 1.2-3 parts of poly-sulphonic acid betaine, 0.5-2 parts of sodium lauroyl glutamate, glycidyl trimethylammonium chloride 0.3-1.5 parts, 1-2.5 parts of disecoctylmaleate sodium sulfonate, 0.3-1.2 parts of nano silver, γ-Fe2O30.5-1.5 parts, 2-3.8 parts of carboxylic carbon nano-tube, 0.15-0.4 parts of Cellulose nanocrystal, 0.2-1.5 parts of nano cupric oxide, 2-5 parts of mixed acid, 2-7 parts of chitosan, 35-50 parts of water.
Preferably, the polysiloxanes is isocyanate-terminated polysiloxanes.
Preferably, the nano silver be average grain diameter be 40-55nm electrolysis nano silver and average grain diameter be 60-75nm's Be electrolysed nano silver mixture, and average grain diameter be 40-55nm electrolysis nano silver be 60-75nm with average grain diameter electrolysis receive The weight ratio of meter Yin is 5-11:1-3.
Preferably, the carboxylic carbon nano-tube is modified carboxyl carbon nano tube；The modified carboxyl carbon nano tube It is prepared according to following technique: water-bath extraction being carried out to tealeaves with distilled water, obtains millet paste after suction filtration；By carboxylated carbon nanometer Pipe is added in zinc nitrate solution and stands 40-60min, is added in millet paste after filtering and stands 30-50min, the pH value of regulation system is 6-8 is stirred to react 120-180min, is filtered, washed after reaction, is dried to obtain the modified carboxyl carbon nano tube.
Preferably, in the preparation process of modified carboxyl carbon nano tube, the weight of distilled water is the 8-12 of tealeaves weight Times, the temperature of water-bath extraction is 70-78 DEG C；The weight of zinc nitrate used is 0.3-0.5 times of tealeaves weight；The zinc nitrate is molten The mass concentration of liquid is 0.01-0.1g/L.
Preferably, the length of the Cellulose nanocrystal is 180-250nm, diameter 8-13nm.
Preferably, the nano cupric oxide be average grain diameter be 5-20nm spherical nano cupric oxide, average grain diameter 40- The mixture of the spherical nano cupric oxide of 70nm and the spherical nano cupric oxide that average grain diameter is 100-130nm, and average grain diameter For the spherical nano cupric oxide of 5-20nm, average grain diameter be 40-70nm spherical nano cupric oxide and average grain diameter be 100- The weight ratio of the spherical nano cupric oxide of 130nm is 8-12:1-3:2-5.
Preferably, the mixed acid is one or more of citric acid, maleic acid, malic acid, azelaic acid and butane The mixture of tetrabasic carboxylic acid.
Cotton fabric of the present invention can be prepared with the antibacterial finishing agent containing nano silver according to following technique: according to the ratio By polysiloxanes, poly-sulphonic acid betaine, sodium lauroyl glutamate, glycidyl trimethylammonium chloride, maleic acid di-secondary Dioctyl sodium sulfosuccinate is mixed with water, and adjusting temperature is 65-75 DEG C, and surplus stock is added after stirring and is uniformly mixing to obtain the cotton fabric With the antibacterial finishing agent containing nano silver.
Antibacterial finishing agent of the cotton fabric of the present invention containing nano silver, in raw material, specifically using polysiloxanes as major ingredient, And cooperates and be added to poly-sulphonic acid betaine, sodium lauroyl glutamate, glycidyl trimethylammonium chloride, maleic acid di-secondary Dioctyl sodium sulfosuccinate keeps the flexibility of gained fabric good, and wrinkle resistance is excellent；Nano silver, γ-Fe2O3, carboxylic carbon nano-tube, fibre In the plain nanocrystalline, nano cupric oxide of dimension, chitosan addition system, match with poly-sulphonic acid betaine and glycidyl trimethylammonium chloride It closes, there is synergistic effect, make the finishing agent that there is excellent antibacterial and mouldproof, and washability is good；Preferred embodiment modified carboxyl In the preparation process of carbon nano tube, carboxylic carbon nano-tube is added in zinc nitrate solution stands first, carboxylated carbon is made to receive The carboxyl and metal zinc ion action of nanotube surface, after being added in millet paste, control condition makees the tea polyphenols in zinc and millet paste With, complex has been formed in situ, has been added into system, it is total with cotton fiber intertexture during being arranged to cotton fabric Mixed, associativity is good, while nano silver, nano cupric oxide etc. can be adsorbed in its surface and duct by it, improved in system and received The dispersibility of rice material, while the slow lasting release of nano material antibacterial agent can be made, make gained antibacterial fabric performance and anti-purple Outside line performance high-efficient and lasting；It has been specifically chosen one or more of citric acid, maleic acid, malic acid, azelaic acid and butane The mixture of tetrabasic carboxylic acid has adjusted the acidity of finishing agent, while chitosan, fiber using the cooperation of a variety of acid as mixed acid Element is nanocrystalline under the action of mixed acid, forms cross-linked network with cotton fabric, so that gained finishing agent is assigned fabric excellent Wrinkle resistance, while the intensity of fabric is improved, reduce mixed acid damage caused by fabric.
Specific embodiment
In the following, technical solution of the present invention is described in detail by specific embodiment.
Embodiment 1
A kind of antibacterial finishing agent of the cotton fabric containing nano silver, raw material include: 40 parts of polysiloxanes, polysulfonate by weight 3 parts of sour glycine betaine, 2 parts of sodium lauroyl glutamate, 0.3 part of glycidyl trimethylammonium chloride, maleic acid di-sec-octyl 2.5 parts of sodium sulfonate, 1.2 parts of nano silver, γ-Fe2O30.9 part, 3.8 parts of carboxylic carbon nano-tube, 0.36 part of Cellulose nanocrystal, 1.5 parts of nano cupric oxide, 2.6 parts of mixed acid, 2 parts of chitosan, 39 parts of water.
Embodiment 2
A kind of antibacterial finishing agent of the cotton fabric containing nano silver, raw material include: 42 parts of polysiloxanes, polysulfonate by weight 1.2 parts of sour glycine betaine, 1.3 parts of sodium lauroyl glutamate, 1.1 parts of glycidyl trimethylammonium chloride, maleic acid di-secondary 1.3 parts of dioctyl sodium sulfosuccinate, 0.3 part of nano silver, γ-Fe2O31.5 parts, 2 parts of carboxylic carbon nano-tube, Cellulose nanocrystal 0.4 Part, 1.5 parts of nano cupric oxide, 5 parts of mixed acid, 7 parts of chitosan, 50 parts of water.
Embodiment 3
A kind of antibacterial finishing agent of the cotton fabric containing nano silver, raw material include: isocyanate-terminated poly- by weight 50 parts of siloxanes, 1.7 parts of poly-sulphonic acid betaine, 0.5 part of sodium lauroyl glutamate, 1.5 parts of glycidyl trimethylammonium chloride, 1 part of disecoctylmaleate sodium sulfonate, 0.7 part of nano silver, γ-Fe2O30.5 part, 3.6 parts of carboxylic carbon nano-tube, fibre Dimension element nanocrystalline 0.15 part, 1 part of nano cupric oxide, 1 part of citric acid, 1 part of butane tetracarboxylic acid, 4 parts of chitosan, 35 parts of water；
Wherein, the nano silver is the electrolysis nano silver that average grain diameter is 40nm and the electrolysis nanometer that average grain diameter is 75nm The mixture of silver, and average grain diameter be 40nm electrolysis nano silver be 75nm with average grain diameter the weight ratio of electrolysis nano silver be 5:3；
The carboxylic carbon nano-tube is modified carboxyl carbon nano tube；The modified carboxyl carbon nano tube is according to following Prepared by technique: carrying out water-bath extraction to tealeaves with distilled water, wherein the weight of distilled water is 8 times of tealeaves weight, water-bath The temperature of extraction is 78 DEG C, and millet paste is obtained after suction filtration；The zinc nitrate that mass concentration is 0.1g/L is added in carboxylic carbon nano-tube 40min is stood in solution, is added in millet paste after filtering and stands 50min, and the pH value of regulation system is 6, is stirred to react 180min, instead It is filtered, washed after answering, is dried to obtain the modified carboxyl carbon nano tube；Wherein, the weight of zinc nitrate used is tealeaves 0.3 times of weight；
The length of the Cellulose nanocrystal is 180-200nm, diameter 10-13nm；
The nano cupric oxide be average grain diameter be 5nm spherical nano cupric oxide, average grain diameter be that the spherical of 70nm receives The mixture for the spherical nano cupric oxide that rice copper oxide and average grain diameter are 100nm, and average grain diameter is the spherical nano oxygen of 5nm Change the weight ratio of copper, the spherical nano cupric oxide that average grain diameter is 70nm and the spherical nano cupric oxide that average grain diameter is 100nm For 8:3:2.
Embodiment 4
A kind of antibacterial finishing agent of the cotton fabric containing nano silver, raw material include: 42 parts of polysiloxanes, polysulfonate by weight 2 parts of sour glycine betaine, 1.2 parts of sodium lauroyl glutamate, 1.4 parts of glycidyl trimethylammonium chloride, maleic acid di-secondary are pungent 1.3 parts of ester sodium sulfonate, 0.7 part of nano silver, γ-Fe2O31.2 parts, 2.5 parts of carboxylic carbon nano-tube, Cellulose nanocrystal 0.3 Part, 0.9 part of nano cupric oxide, 1 part of maleic acid, 1 part of azelaic acid, 1.8 parts of butane tetracarboxylic acid, 6.2 parts of chitosan, 40 parts of water；
Wherein, the polysiloxanes is isocyanate-terminated polysiloxanes；
The electrolysis nano silver that the nano silver is the electrolysis nano silver that average grain diameter is 55nm and average grain diameter is 60nm Mixture, and average grain diameter be 55nm electrolysis nano silver and average grain diameter be 60nm the weight ratio of electrolysis nano silver be 11: 1；
The carboxylic carbon nano-tube is modified carboxyl carbon nano tube；The modified carboxyl carbon nano tube is according to following Prepared by technique: carrying out water-bath extraction to tealeaves with distilled water, obtain millet paste after suction filtration；Nitre is added in carboxylic carbon nano-tube 60min is stood in sour zinc solution, is added in millet paste after filtering and stands 30min, and the pH value of regulation system is 8, is stirred to react 120min is filtered, washed after reaction, is dried to obtain the modified carboxyl carbon nano tube；Wherein, the weight of distilled water is 12 times of tealeaves weight, the temperature of water-bath extraction are 70 DEG C；The weight of zinc nitrate used is 0.5 times of tealeaves weight；The nitre The mass concentration of sour zinc solution is 0.01g/L；
The length of the Cellulose nanocrystal is 220-250nm, diameter 8-11nm；
The nano cupric oxide be average grain diameter be 20nm spherical nano cupric oxide, average grain diameter be that the spherical of 40nm receives The mixture for the spherical nano cupric oxide that rice copper oxide and average grain diameter are 130nm, and average grain diameter is the spherical nanometer of 20nm The weight for the spherical nano cupric oxide that the spherical nano cupric oxide and average grain diameter that copper oxide, average grain diameter are 40nm are 130nm Than for 12:1:5.
Embodiment 5
A kind of antibacterial finishing agent of the cotton fabric containing nano silver, raw material include: 45 parts of polysiloxanes, polysulfonate by weight 2 parts of sour glycine betaine, 1 part of sodium lauroyl glutamate, 1 part of glycidyl trimethylammonium chloride, maleic acid di-sec-octyl sulphur 1.8 parts of sour sodium, 0.7 part of nano silver, γ-Fe2O31 part, 2.5 parts of carboxylic carbon nano-tube, Cellulose nanocrystal 0.2 part, nanometer 1 part of copper oxide, 0.5 part of citric acid, 0.5 part of maleic acid, 1 part of malic acid, 2 parts of butane tetracarboxylic acid, 5.2 parts of chitosan, 45 parts of water；
Wherein, the polysiloxanes is isocyanate-terminated polysiloxanes；
The electrolysis nano silver that the nano silver is the electrolysis nano silver that average grain diameter is 45nm and average grain diameter is 70nm Mixture, and average grain diameter be 45nm electrolysis nano silver and average grain diameter be 70nm the weight ratio of electrolysis nano silver be 7:2；
The carboxylic carbon nano-tube is modified carboxyl carbon nano tube；The modified carboxyl carbon nano tube is according to following Prepared by technique: carrying out water-bath extraction to tealeaves with distilled water, obtain millet paste after suction filtration；Nitre is added in carboxylic carbon nano-tube 50min is stood in sour zinc solution, is added in millet paste after filtering and stands 40min, and the pH value of regulation system is 7, is stirred to react 150min is filtered, washed after reaction, is dried to obtain the modified carboxyl carbon nano tube；
In the preparation process of modified carboxyl carbon nano tube, the weight of distilled water is 10 times of tealeaves weight, water-bath leaching The temperature mentioned is 75 DEG C；The weight of zinc nitrate used is 0.4 times of tealeaves weight；The mass concentration of the zinc nitrate solution is 0.08g/L；
The length of the Cellulose nanocrystal is 180-250nm, diameter 8-13nm；
The nano cupric oxide be average grain diameter be 15nm spherical nano cupric oxide, average grain diameter be that the spherical of 55nm receives The mixture for the spherical nano cupric oxide that rice copper oxide and average grain diameter are 120nm, and average grain diameter is the spherical nanometer of 15nm The weight for the spherical nano cupric oxide that the spherical nano cupric oxide and average grain diameter that copper oxide, average grain diameter are 55nm are 120nm Than for 9:2:4.
Comparative example 1
With being uniquely different only in that for embodiment 5: without containing carboxylic carbon nano-tube in its raw material.
Comparative example 2
With being uniquely different only in that for embodiment 5: the carboxylic carbon nano-tube in its raw material is unmodified carboxylated carbon Nanotube.
Comparative example 3
With being uniquely different only in that for embodiment 5: without containing Cellulose nanocrystal in its raw material.
Comparative example 4
With being uniquely different only in that for embodiment 5: without containing chitosan in its raw material.
Comparative example 5
With being uniquely different only in that for embodiment 5: without containing chitosan and Cellulose nanocrystal in its raw material.
Cotton fabric is arranged using the finishing agent in embodiment 5 and comparative example 1-5, the cotton after arrangement is knitted respectively Object is tested, wherein according to the standard of GB/T 20944.3-2008 to the anti-microbial property test of cotton fabric, strain used is Escherichia coli and Bacillus subtilis；Fabric is detected according to GB/T 18830-2002 " ultraviolet resistance of fabric evaluation ", The ultraviolet protection exponential representation of fabric ultraviolet ray preventing effect；According to GB/T 3819-1997 " textile fabric wrinkle recovery property Measurement reply horn cupping " in method be measured, with through and the sum of creasy recovery angle of latitude indicate fabric crease-resistant performance；Simultaneously It is tested according to tension failure strength of the standard of GB/T 3923.1-1997 to cotton fabric, as a result as shown in the table:
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (8)

1. a kind of antibacterial finishing agent of cotton fabric containing nano silver, which is characterized in that its raw material includes: polysiloxanes by weight 40-50 parts, 1.2-3 parts of poly-sulphonic acid betaine, 0.5-2 parts of sodium lauroyl glutamate, glycidyl trimethylammonium chloride 0.3- 1.5 parts, 1-2.5 parts of disecoctylmaleate sodium sulfonate, 0.3-1.2 parts of nano silver, γ-Fe2O30.5-1.5 parts, carboxyl 2-3.8 parts of carbon nano tube, 0.15-0.4 parts of Cellulose nanocrystal, 0.2-1.5 parts of nano cupric oxide, 2-5 parts of mixed acid, shell are poly- It is 2-7 parts sugared, 35-50 parts of water.
2. antibacterial finishing agent of the cotton fabric containing nano silver according to claim 1, which is characterized in that the polysiloxanes is Isocyanate-terminated polysiloxanes.
3. antibacterial finishing agent of the cotton fabric according to claim 1 or claim 2 containing nano silver, which is characterized in that the nano silver For average grain diameter be 40-55nm electrolysis nano silver and average grain diameter be 60-75nm electrolysis nano silver mixture, and it is average The weight ratio for the electrolysis nano silver that the electrolysis nano silver and average grain diameter that partial size is 40-55nm are 60-75nm is 5-11:1-3.
4. antibacterial finishing agent of the cotton fabric according to claim 1 or claim 2 containing nano silver, which is characterized in that the carboxylated Carbon nanotube is modified carboxyl carbon nano tube；The modified carboxyl carbon nano tube is prepared according to following technique: with steaming Distilled water carries out water-bath extraction to tealeaves, obtains millet paste after suction filtration；Carboxylic carbon nano-tube is added in zinc nitrate solution and stands 40- 60min is added in millet paste after filtering and stands 30-50min, and the pH value of regulation system is 6-8, is stirred to react 120-180min, instead It is filtered, washed after answering, is dried to obtain the modified carboxyl carbon nano tube.
5. antibacterial finishing agent of the cotton fabric containing nano silver according to claim 4, which is characterized in that in modified carboxyl carbon In the preparation process of nanotube, the weight of distilled water is 8-12 times of tealeaves weight, and the temperature of water-bath extraction is 70-78 DEG C；Institute With 0.3-0.5 times that the weight of zinc nitrate is tealeaves weight；The mass concentration of the zinc nitrate solution is 0.01-0.1g/L.
6. antibacterial finishing agent of the cotton fabric according to claim 1 or claim 2 containing nano silver, which is characterized in that the cellulose Nanocrystalline length is 180-250nm, diameter 8-13nm.
7. antibacterial finishing agent of the cotton fabric according to claim 1 or claim 2 containing nano silver, which is characterized in that the nano oxygen Change copper be average grain diameter be 5-20nm spherical nano cupric oxide, the average grain diameter spherical nano cupric oxide that is 40-70nm and flat Equal partial size is the mixture of the spherical nano cupric oxide of 100-130nm, and average grain diameter be 5-20nm spherical nano cupric oxide, The weight for the spherical nano cupric oxide that the spherical nano cupric oxide and average grain diameter that average grain diameter is 40-70nm are 100-130nm Than for 8-12:1-3:2-5.
8. antibacterial finishing agent of the cotton fabric according to claim 1 or claim 2 containing nano silver, which is characterized in that the mixed acid For the mixture of one or more of citric acid, maleic acid, malic acid, azelaic acid and butane tetracarboxylic acid.
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