CN113913959A - Preparation method of antibacterial fiber cloth - Google Patents

Preparation method of antibacterial fiber cloth Download PDF

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Publication number
CN113913959A
CN113913959A CN202111372473.0A CN202111372473A CN113913959A CN 113913959 A CN113913959 A CN 113913959A CN 202111372473 A CN202111372473 A CN 202111372473A CN 113913959 A CN113913959 A CN 113913959A
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CN
China
Prior art keywords
fiber cloth
antibacterial
preparing
antibacterial fiber
spinning
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Pending
Application number
CN202111372473.0A
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Chinese (zh)
Inventor
唐波
吴新锋
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Hangzhou Vulcan New Material Technology Co ltd
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Hangzhou Vulcan New Material Technology Co ltd
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Priority to CN202111372473.0A priority Critical patent/CN113913959A/en
Publication of CN113913959A publication Critical patent/CN113913959A/en
Pending legal-status Critical Current

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    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F1/00—General methods for the manufacture of artificial filaments or the like
    • D01F1/02—Addition of substances to the spinning solution or to the melt
    • D01F1/10—Other agents for modifying properties
    • D01F1/103—Agents inhibiting growth of microorganisms
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
    • D01F6/46—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polyolefins
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
    • D01F6/48—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polymers of halogenated hydrocarbons
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4209—Inorganic fibres
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4209—Inorganic fibres
    • D04H1/4242—Carbon fibres
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
    • D04H1/56—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving in association with fibre formation, e.g. immediately following extrusion of staple fibres
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
    • D04H1/72—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
    • D04H1/728—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged by electro-spinning

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Artificial Filaments (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)

Abstract

The invention relates to a preparation method of antibacterial fiber cloth, which solves the technical problems of complex preparation process and poor effect of the existing fiber cloth material. The diameter of the single fiber of the fiber cloth is 200 nanometers to 30 micrometers, and the size of the nanometer particles of the antibacterial functional body is 30 nanometers to 200 nanometers. The invention can be widely applied to the preparation field of antibacterial mask filter layers and antibacterial protective clothing cloth.

Description

Preparation method of antibacterial fiber cloth
Technical Field
The invention relates to the field of antibacterial masks and antibacterial protective clothing, in particular to a preparation method of antibacterial fiber cloth.
Background
During the new coronary pneumonia epidemic situation, medical supplies such as a mask, protective clothing and the like play a vital role. However, the new coronavirus has a long survival period on the surface of the wet medical article, so that the new coronavirus has risks of secondary pollution and infection, needs to be replaced frequently, and has a short service life, and waste of medical resources is also aggravated. Therefore, there is a need to develop antibacterial fibers with instant bactericidal property for preparing novel masks, protective clothing and other medical products.
Disclosure of Invention
The invention aims to solve the technical problems of complex preparation process, high cost and poor effect of the existing antibacterial fiber cloth, and provides the preparation method of the antibacterial fiber cloth, which has the advantages of low cost, simplified preparation method and good effect.
A preparation method of antibacterial fiber cloth comprises the following steps: adding inorganic non-metal nano particles compounded with a carbon material with functional groups or inorganic non-metal nano particles with the surface subjected to active treatment into a polymer solution/melt of spinning to obtain fiber cloth with the fiber diameter of 200 nanometers to 30 micrometers;
wherein, the inorganic non-metal nano particles are one or more of titanium dioxide, copper sulfide, titanium nitride and titanium carbide;
the carbon material is one or two of graphene and carbon nano tubes.
The carbon material with the functional group is one or more of graphene oxide, carboxylated carbon nanotubes or hydroxylated carbon nanotubes.
The polymer is polyvinylidene fluoride or polyethylene.
When the surface is subjected to active treatment, the used surfactant is sodium dodecyl benzene sulfonate or chitosan.
The particle size of the inorganic nano non-metal particles is 30-200 nm.
The spinning process is electrostatic spinning or melt-blown spinning.
When electrostatic spinning is used, the mass concentration of the antibacterial nano-particles in the spinning solution is 0.05mg/mL-10 mg/mL.
When melt-blown spinning is used, the mass fraction of the antibacterial nanoparticles in the polymer melt is 1-70%.
When the electrostatic spinning process is used, the mass fraction of the polymer in the spinning solution is 5-50%, the injection speed is 0.5-8mL/h, the receiving distance is 10-50cm, the voltage is 10-50kV, the moving speed of a sliding table is 30-150cm/min, the rotating speed of a roller is 20-80r/min, the environmental temperature is controlled to be 18-30 ℃, and the relative humidity is 30-75%.
When the melt-blown process is used, the hot air temperature is 200-.
The invention has the following advantages: (1) the inorganic non-metal nano particles are low in price, and the cost of the prepared antibacterial fiber cloth is lower. (2) The plasma excimer effect is utilized for antibiosis, the antibiosis effect is better, and the antibiosis functional body can not lose efficacy. (3) The preparation method provided by the invention is low in cost and simple in preparation process, and the obtained antibacterial fiber cloth is good in effect, and the bacteriostasis rate is over 95%.
Drawings
FIG. 1 is the antibacterial mechanism of inorganic non-metallic nanoparticles in the antibacterial fiber cloth designed by the present invention; as can be seen from the figure, the antibacterial mechanism is as follows: when the fiber cloth is irradiated by sunlight, microcurrent excited by light has a sterilization effect; in addition, due to the plasmon effect, light energy is converted into heat energy, and the generated local high-temperature area also has a sterilization effect.
FIG. 2 is a scanning electron microscope image of the fiber cloth prepared in example 1 of the present invention. It can be seen from the figure that the diameter of the fibers in the fiber cloth is between 50-200 nm.
Detailed Description
The hollow carbon nanofiber material prepared by the invention is further described by combining the attached drawings and the preparation method of the invention:
example 1
And ultrasonically dispersing graphene oxide into deionized water to prepare 0.2mg/mL suspension, and performing hydrothermal reaction on copper chloride dihydrate and L-cysteine to prepare the copper sulfide/graphene composite antibacterial nano-particles.
Adding 8g of polyvinylidene fluoride into 52g of dimethylformamide, stirring for 8h at 80 ℃, then adding 10mg of copper sulfide @ graphene nano composite particles, and ultrasonically dispersing for 2h to prepare a precursor solution.
Preparing a fiber membrane by electrostatic spinning, wherein the injection speed is 3mL/h, the receiving distance is 25cm, the voltage is 30kV, the moving speed of a sliding table is 100cm/min, the rotating speed of a roller is 50r/min, the environmental temperature is controlled to be 22 ℃, and the relative humidity is 45%. And finally, drying the fiber membrane obtained after spinning to obtain the antibacterial fiber membrane. The bacteriostatic rate of the fiber membrane can be verified to be 98% through a carrier bacteriostatic experiment.
Example 2
Ultrasonically dispersing the carboxylated carbon nano tube into deionized water to prepare 0.2mg/mL suspension, and preparing titanium dioxide/graphene composite antibacterial nano particles by using tetrabutyl titanate, ammonia water, deionized water and ethanol through hydrolysis.
Adding 9g of polyvinylidene fluoride (PVDF) into 52g of dimethylformamide, stirring for 10h at 90 ℃, then adding 14mg of titanium dioxide @ carbon nanotube nano composite particles, and ultrasonically dispersing for 3h to prepare a precursor solution.
Preparing a fiber membrane by electrostatic spinning, wherein the injection speed is 5mL/h, the receiving distance is 30cm, the voltage is 20kV, the moving speed of a sliding table is 80cm/min, the rotating speed of a roller is 40r/min, the environmental temperature is controlled to be 20 ℃, and the relative humidity is 55%. And finally, drying the fiber membrane obtained after spinning to obtain the antibacterial fiber membrane. The bacteriostatic rate of the fiber membrane is verified to be 96% through carrier bacteriostatic experiments.
Example 3
The titanium nitride nano powder is directly used as antibacterial nano particles, and the chitosan is used for improving the surface activity of the nano titanium nitride powder.
The mass fraction of titanium nitride in the polyethylene melt is controlled to be 42%, the hot air temperature is 270 ℃, the hot air pressure is 0.4MPa, the flange temperature is 240 ℃, the elbow temperature is 230 ℃, the die head temperature is 240 ℃, the receiving distance is 20cm, the extrusion frequency is 2.4Hz, the rotating speed of a receiving roller is 50m/min, and the relative humidity is 45%. The antibacterial fiber membrane is prepared by a melt-blown spinning method. The bacteriostatic rate of the fiber membrane can be verified to be 95% through carrier bacteriostatic experiments.
Example 4
And ultrasonically dispersing graphene oxide into deionized water to prepare 0.3mg/mL suspension, and performing hydrothermal reaction on copper chloride dihydrate and L-cysteine to prepare the copper sulfide/graphene composite antibacterial nano-particles.
The mass fraction of copper sulfide/graphene composite nanoparticles in a polyethylene melt is controlled to be 20%, the hot air temperature is 240 ℃, the hot air pressure is 0.3MPa, the flange temperature is 220 ℃, the elbow temperature is 210 ℃, the die head temperature is 220 ℃, the receiving distance is 30cm, the extrusion frequency is 2.2Hz, the rotating speed of a receiving roller is 60m/min, and the relative humidity is 35%. The antibacterial fiber membrane is prepared by a melt-blown spinning method. The bacteriostatic rate of the fiber membrane can be verified to be 82% through carrier bacteriostatic experiments.
The applicant states that the present invention is illustrated in detail by the above examples, but the present invention is not limited to the above detailed methods, i.e. it is not meant that the present invention must rely on the above detailed methods for its implementation. It should be understood by those skilled in the art that any modification of the present invention, equivalent substitutions of the raw materials of the product of the present invention, addition of auxiliary components, selection of specific modes, etc., are within the scope and disclosure of the present invention.

Claims (10)

1. The preparation method of the antibacterial fiber cloth is characterized by comprising the following steps: adding inorganic non-metal nano particles compounded with a carbon material with functional groups or inorganic non-metal nano particles with the surface subjected to active treatment into a polymer solution/melt of spinning to obtain fiber cloth with the fiber diameter of 200 nanometers to 30 micrometers;
wherein, the inorganic non-metal nano particles are one or more of titanium dioxide, copper sulfide, titanium nitride or titanium carbide;
the carbon material is one or two of graphene or carbon nano tubes.
2. The method for preparing the antibacterial fiber cloth according to claim 1, wherein the carbon material having the functional group is one or more of graphene oxide, carboxylated carbon nanotubes or hydroxylated carbon nanotubes.
3. The method for preparing the antibacterial fiber cloth according to claim 1, wherein the polymer is polyvinylidene fluoride or polyethylene.
4. The method for preparing the antibacterial fiber cloth according to claim 1, wherein the surfactant used in the surface activation treatment is sodium dodecyl benzene sulfonate or chitosan.
5. The method for preparing the antibacterial fiber cloth according to claim 1, wherein the particle size of the inorganic nano non-metallic particles is 30 nm to 200 nm.
6. The method for preparing the antibacterial fiber cloth according to claim 1, wherein the spinning process is electrostatic spinning or melt-blown spinning.
7. The method for preparing the antibacterial fiber cloth according to claim 1 or 6, wherein the mass concentration of the antibacterial nano-particles in the spinning solution is 0.05mg/mL-10mg/mL when electrospinning is used.
8. The method for preparing the antibacterial fiber cloth according to claim 1 or 6, wherein when the melt-blown spinning is used, the mass fraction of the antibacterial nano-particles in the polymer melt is 1-70%.
9. The method for preparing the antibacterial fiber cloth according to claim 1 or 2, wherein when an electrostatic spinning process is used, the mass fraction of the polymer in the spinning solution is 5-50%, the injection speed is 0.5-8mL/h, the receiving distance is 10-50cm, the voltage is 10-50kV, the moving speed of a sliding table is 30-150cm/min, the rotating speed of a roller is 20-80r/min, the environmental temperature is controlled to be 18-30 ℃, and the relative humidity is 30-75%.
10. The method for preparing the antibacterial fiber cloth as claimed in claim 1, wherein when the melt-blowing process is used, the hot air temperature is 200-.
CN202111372473.0A 2021-11-18 2021-11-18 Preparation method of antibacterial fiber cloth Pending CN113913959A (en)

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100317790A1 (en) * 2009-03-03 2010-12-16 Sung-Yeon Jang Graphene composite nanofiber and preparation method thereof
CN102302875A (en) * 2011-07-27 2012-01-04 东华大学 Method for preparing antibacterial air-filtering membrane
JP2014144420A (en) * 2013-01-29 2014-08-14 Tokyo Institute Of Technology Filtering material for antibacterial air filter
WO2017185714A1 (en) * 2016-04-25 2017-11-02 江苏盛纺纳米材料科技股份有限公司 Nonwoven nanofiber antibacterial material and method for preparing same
CN109183193A (en) * 2018-09-27 2019-01-11 浙江和也健康科技有限公司 A kind of antibacterial and deodorizing nanofiber and preparation method thereof
CN109224878A (en) * 2018-10-29 2019-01-18 成都新柯力化工科技有限公司 A kind of air cleaning composite antibacterial film and preparation method
CN111041565A (en) * 2019-11-13 2020-04-21 吉林大学 Preparation method of functional nanoparticle-doped polymer antibacterial fiber membrane
CN112359435A (en) * 2020-08-28 2021-02-12 青岛信泰科技有限公司 Antibacterial and antistatic ultra-high molecular weight polyethylene fiber and preparation method thereof

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100317790A1 (en) * 2009-03-03 2010-12-16 Sung-Yeon Jang Graphene composite nanofiber and preparation method thereof
CN102302875A (en) * 2011-07-27 2012-01-04 东华大学 Method for preparing antibacterial air-filtering membrane
JP2014144420A (en) * 2013-01-29 2014-08-14 Tokyo Institute Of Technology Filtering material for antibacterial air filter
WO2017185714A1 (en) * 2016-04-25 2017-11-02 江苏盛纺纳米材料科技股份有限公司 Nonwoven nanofiber antibacterial material and method for preparing same
CN109183193A (en) * 2018-09-27 2019-01-11 浙江和也健康科技有限公司 A kind of antibacterial and deodorizing nanofiber and preparation method thereof
CN109224878A (en) * 2018-10-29 2019-01-18 成都新柯力化工科技有限公司 A kind of air cleaning composite antibacterial film and preparation method
CN111041565A (en) * 2019-11-13 2020-04-21 吉林大学 Preparation method of functional nanoparticle-doped polymer antibacterial fiber membrane
CN112359435A (en) * 2020-08-28 2021-02-12 青岛信泰科技有限公司 Antibacterial and antistatic ultra-high molecular weight polyethylene fiber and preparation method thereof

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