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Multifunctional air purification film and method for preparing same

An air purification and multi-functional technology, applied in chemical instruments and methods, separation methods, inorganic chemistry, etc., can solve problems such as air pollution, and achieve the effect of long service life and long use time

Active Publication Date: 2017-01-04
河北凯尔威生物技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to provide an antibacterial type anti-PM 2.5 air purifying membrane

Method used

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  • Multifunctional air purification film and method for preparing same
  • Multifunctional air purification film and method for preparing same
  • Multifunctional air purification film and method for preparing same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] The first step is to prepare a nano-graphene oxide aqueous solution:

[0046] Dissolve graphene oxide and disperse it ultrasonically in an ice bath with ultrasonic power of 100W for 60 minutes. Graphene oxide with a size of about 350nm can be obtained, and the number of atomic layers is a single layer. Dry and set aside.

[0047] Take the 0.5g nano-graphene oxide obtained above, dissolve it in 1000mL ultrapure water, and obtain a 0.5mg / mL nano-graphene oxide aqueous solution;

[0048] The second step, conjugated polymer preparation:

[0049] Synthetic route of monomer (1) 3-(1,4-dioxa-6-hydroxy-hexyl)thiophene:

[0050] Add 45mL of pyridine, 15mL of diethylene glycol (16.75g, 157.8mmol), (5.6g, 49.9mmol), cuprous iodide (1.4g, 7.34mmol), stir for 30min and then add 3-bromothiophene (5.16g, 31.6mmol), raised to 100°C, and reacted for 24h. The reaction solution was cooled to room temperature, diluted with dichloromethane, filtered, and dried to obtain the product as ...

Embodiment 2-8

[0101] Other steps and test methods are the same as in Example 1, except that the fluorescent conjugated polymer used in step 3 is replaced by the aqueous solution of the fluorescent conjugated polymer in the third step in Example 1 to configure the following fluorescent conjugated polymers in sequence thing:

[0102] (a) Preparation of pyridine porphyrin TPP solution: 0.0068 g of pyridine porphyrin TPP was added into 20 mL of ultrapure water to obtain a 0.25 mM stock solution.

[0103] (b) Preparation of phenylporphyrin TP solution: 0.0076 g of phenylporphyrin TP was added to 20 mL of ultrapure water to obtain a 0.25 mM stock solution.

[0104] (c) Preparation of subblue M-B solution: Take 0.0016 g of subblue M-B and add 20 mL of ultrapure water to dissolve to obtain a 0.25 mM stock solution.

[0105] (d) Preparation of toluidine blue T-BO solution: Take 0.001 g of toluidine blue TBO and add 20 mL of ultrapure water to dissolve to obtain a 0.25 mM stock solution.

[0106] (...

Embodiment 9

[0112] The first step is to make a purification membrane:

[0113] Melt organic polymer polypropylene at 140°C;

[0114]Then add nano-graphene oxide solution and fluorescent conjugated polymer (poly3-(1,4-dioxa-6-bromotrimethylamino-hexyl)thiophene-co-3-(1,4,7 -trioxa-octyl)thiophene (PT)) solution, stirred evenly, wherein, the concentration of the nano-graphene oxide aqueous solution is 0.5mg / mL, 600mL, the concentration of the aqueous solution of the fluorescent polymer is 1.0mg / mL, 100mL ; The mass ratio is organic polymer material: nano-graphene oxide: fluorescent conjugated polymer=200:3:1;

[0115] The above-mentioned mixture is made into a film by the melt-blowing method, and the aperture of the film is 1 μm; the thickness of the film is 2000 μm; wherein: Melt-blown equipment: Wuxi AJMS Machinery Co., Ltd. Spinning hole diameter 0.3mm, hole depth 3mm. Process conditions: air pressure: 0.15-0.3MPa; receiving distance: 5-9cm; metering pump speed: 45-60Hz, optimal proces...

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Abstract

The invention relates to a multifunctional air purification film and a method for preparing the same. The multifunctional air purification film is one of the following two types: a first type of air purification film which comprises a base film and a multifunctional layer coated on the base film, wherein the multifunctional layer is mixture of nanometer graphene oxide and a fluorescent conjugated polymer, and the base film is a nonwoven fabric; a second type of air purification film which is obtained through spray melting after mixing an organic high-molecular material, nanometer graphene oxide and a fluorescent conjugated polymer, wherein the aperture of the used purification film is 0.2mu m to 12mu m, and the thickness is 500mu m to 5000mu m. As compared with a traditional antibacterial film, the antibacterial air purification film which is obtained by the invention and can eliminate PM2.5 has the characteristics such as high efficiency, good antibacterial performance and long service life.

Description

technical field [0001] The invention belongs to the application field of anti-pollution air filtration and purification, and relates to a multifunctional air purification membrane and a preparation method thereof, in particular to an air purification membrane using nanoscale graphene oxide and fluorescent conjugated polymer and a preparation method thereof. [0002] technical background [0003] As we all know, the survival of life is inseparable from the air, and air pollution will seriously damage our lungs, an important organ for breathing, cause respiratory diseases, and seriously affect people's health. With the intensification of air pollution, people's demand for air purification is becoming more and more urgent. Inhalable particulate matter (PM 10 ), fine particulate matter (PM 2.5 ) is an increasingly prominent regional atmospheric environmental problem, which is detrimental to the health of the people and affects social harmony and stability. With the in-depth ad...

Claims

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Application Information

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IPC IPC(8): B01J20/28B01J20/26B01D53/02B01J20/30A61L9/18
CPCA61L9/205B01D53/02B01J20/20B01J20/264B01J20/28035
Inventor 展永邢成芬齐俊杰牛瑞民安海龙袁宏博
Owner 河北凯尔威生物技术有限公司
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