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Preparation method of nano-antibacterial mixed solution and nano-antibacterial filter material

A mixed liquid and nanotechnology, applied in the direction of botanical equipment and methods, separation methods, chemical instruments and methods, etc., can solve the problems of poor dispersion, achieve high-efficiency antibacterial performance, strong polarization, and easy adsorption of bacteria

Inactive Publication Date: 2022-01-04
美埃(南京)纳米材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a preparation method of nano antibacterial mixed liquid and nano antibacterial filter material, fully mix the organic polymer material with antibacterial efficacy in the electrospinning solution to prepare nanofibers with antibacterial effect, and solve the problem that the antibacterial agent only works Due to the problems of the surface layer of the filter material and poor dispersion, it also improves the antibacterial efficiency and does not cause secondary pollution

Method used

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  • Preparation method of nano-antibacterial mixed solution and nano-antibacterial filter material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] A nano-antibacterial mixed solution, each component in the nano-antibacterial mixed solution and their weight percentages are: biguanide accounts for 0.5%, gelatin accounts for 12%, and formic acid accounts for 87.5%.

[0039] Then pour the formic acid, biguanide, and gelatin in the above proportions into the reaction kettle in order to stir, heat to 60±5°C and continue stirring for about 1 hour, turn off the heating system, and continue stirring for 12 hours; after the stirring is completed, filter the spinning solution Pour it into the spinning box, connect the liquid supply pipe in series and connect it to the spinning head; open the air valve to supply air to the spinning box, and the gas compressed spinning solution flows out through the spinning head; turn on the high-voltage power supply to make the voltage reach 50-60KV, and flow out The spinning solution generates nanofibers under a strong electric field and is immediately absorbed into the non-woven fabric; the...

Embodiment 2

[0041] A nano antibacterial mixed solution, each component in the nano antibacterial mixed solution and their weight percentages are: PA6 accounts for 10.5%, quaternary phosphonium salt accounts for 0.5%, formic acid accounts for 44%, and acetic acid accounts for 45%.

[0042] Then pour the formic acid, acetic acid, PA6, and quaternary phosphonium salts in the above proportions into the reactor in order to stir, heat to 60±5°C and continue stirring for about 1 hour, turn off the heating system, and continue stirring for 12 hours; after the stirring is completed, the spinning After the silk liquid is filtered, it is poured into the spinning box, and the liquid supply pipe is connected in series and connected to the spinning head; the air valve is opened to supply air to the spinning box, and the gas-compressed spinning solution flows out through the spinning head; the high-voltage power supply is turned on to make the voltage reach 50 -60KV, the outflowing spinning solution gene...

Embodiment 3

[0044] A nano antibacterial mixed solution, each component in the nano antibacterial mixed solution and its weight percentage are: PA6 accounts for 10.5%, biguanide accounts for 0.5%, formic acid accounts for 44%, and acetic acid accounts for 45%.

[0045]Then pour the formic acid, acetic acid, PA6, and biguanide in the above ratio into the reaction kettle in order to stir, heat to 60±5°C and continue stirring for about 1 hour, turn off the heating system, and continue stirring for 12 hours; after the stirring is completed, the spinning solution After filtering, pour it into the spinning box, connect the liquid supply pipe in series and connect it to the spinning head; open the air valve to supply air to the spinning box, and the gas compressed spinning solution flows out through the spinning head; turn on the high voltage power supply to make the voltage reach 50-60KV , the outflowing spinning solution generates nanofibers under a strong electric field and is immediately absor...

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Abstract

The invention discloses a nano-antibacterial mixed solution and a preparation method of a nano-antibacterial filter material. The nano-antibacterial mixed solution comprises the following components in percentage by weight: 0.3-1.2% of biguanide, quaternary phosphonium salt and chitosan. 8-15% of PA6, gelatin and PET; and the balance of trifluoroacetic acid, acetic acid and formic acid; the preparation method of the nano antibacterial filter material comprises the following steps: pouring a mixed solution into a reaction kettle, stirring and heating; after stirring, filtering, pouring into a spinning box, connecting a liquid supply pipe in series, and connecting with a spinning head; supplying air to the spinning box to enable the spinning solution to flow out through the spinning head; starting a high-voltage power supply to enable the spinning solution flowing out to generate nanofibers under a strong electric field, and then adsorbing the nanofibers into the non-woven fabric; and enabling the non-woven fabric to enter a dryer under the active action of a rotating shaft, drying, performing hot rolling forming on a hot rolling shaft, and rolling to obtain a finished product material. The problems that an antibacterial agent only acts on the surface layer of the filter material and the dispersity is poor are solved, meanwhile, the antibacterial efficiency is improved, and secondary pollution is avoided.

Description

technical field [0001] The invention relates to a preparation method of a nano-antibacterial mixed liquid combined with a quaternary phosphonium salt and electrospinning and a nano-antibacterial filter material, belonging to the technical field of air filtration and purification. Background technique [0002] Air pollution can not only have destructive effects on surrounding objects through physical, chemical, and biological erosion; but also polluted gases can also pass through the respiratory system (lungs), skin epidermis and other parts, affecting the respiratory system, nervous system, immune ability, The skin, liver, endocrine system, etc. produce toxic effects, and can also affect people's mental state, such as fatigue, tension and other adverse reactions. Long-term living and working in an environment with poor air quality will not only cause decreased respiratory function and aggravate respiratory symptoms, but also lead to chronic bronchitis, bronchial asthma, emph...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/44A01N57/34A01N43/16A01P1/00A01P3/00D01F4/00D01F6/90D01F1/10B01D39/08
CPCA01N47/44A01N57/34A01N43/16D01F1/103D01F4/00D01F6/90B01D39/083
Inventor 许贝朱蕾王学明陈玲叶伟强
Owner 美埃(南京)纳米材料有限公司
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