Unlock instant, AI-driven research and patent intelligence for your innovation.

Preparation method of fabric/poly-nitrogen/polyaniline/titanium dioxide catalytic material

A titanium dioxide and catalytic material technology, applied in the field of composite photocatalytic material preparation, can solve the problems of low utilization rate of solar energy, low catalytic efficiency, etc., and achieve the effect of improving recycling performance, excellent catalytic performance, and improving utilization rate

Inactive Publication Date: 2019-04-16
DONGHUA UNIV +1
View PDF5 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by this invention is to provide a preparation method of fabric / polynitrogen / polyaniline / titanium dioxide catalytic material to overcome the defects of low solar energy utilization rate and low catalytic efficiency of photocatalysts in the prior art

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] (1) Disperse 1.5mmol melamine in 150mL acetonitrile, stir for 30min, immerse in cotton fabric (5cm*5cm), then gradually add 0.75mmol melamine and stir for 30min, then irradiate in a 150W high-pressure mercury lamp (ultraviolet lamp) After 12 hours, it was washed several times with acetonitrile and dried at 60 °C for 2 hours to obtain a cotton fabric / polynitrogen material.

[0030] (2) Then dissolve 0.8mL of aniline monomer and 0.2g of titanium dioxide in 120mL of hydrochloric acid (0.8mol / L), put into cotton fabric / polynitrogen material to make it adsorb aniline monomer for 1h, and keep the temperature of the mixture under ice bath At about 0°C, slowly add 1mL of ammonium persulfate solution (0.5mol / L) dropwise, the fabric can be observed to change from white to dark green, and finally washed several times with deionized water and dried at 70°C for 5h to obtain Cotton fabric / polynitrogen / polyaniline / TiO 2 Efficient and recyclable catalytic materials.

Embodiment 2

[0032] (1) Disperse 2.25mmol melamine in 175mL acetonitrile, stir for 30min, immerse in cotton fabric (5cm*5cm), then gradually add 0.75mmol melamine and stir for 45min, then irradiate in a 150W high-pressure mercury lamp (ultraviolet lamp) After 16 h, it was washed several times with acetonitrile and dried at 60 °C for 2 h to obtain a cotton fabric / polynitrogen material.

[0033] (2) Then dissolve 1.2mL of aniline monomer and 0.3g of titanium dioxide in 160mL of hydrochloric acid (1mol / L), put into cotton fabric / polynitrogen material to make it adsorb aniline monomer for 1.5h, and keep the temperature of the mixture under ice bath At about 2°C, 2mL of ammonium persulfate solution (0.75mol / L) was slowly added dropwise, and the fabric was observed to change from white to dark green. Finally, it was washed several times with deionized water and dried at 70°C for 5 hours to obtain Cotton fabric / polynitrogen / polyaniline / TiO 2 Efficient and recyclable catalytic materials.

Embodiment 3

[0035] (1) Disperse 3mmol melamine in 200mL acetonitrile, stir for 30min, immerse in cotton fabric (5cm*5cm), then gradually add 1.5mmol melamine and stir for 60min, then irradiate with 150W high-pressure mercury lamp (ultraviolet lamp) for 24h Afterwards, it was washed several times with acetonitrile and dried at 60 °C for 2 h to obtain a cotton fabric / polynitrogen material.

[0036](2) Then dissolve 1.6mL of aniline monomer and 0.4g of titanium dioxide in 180mL of hydrochloric acid (1.2mol / L), put into cotton fabric / polynitrogen material to make it adsorb aniline monomer for 2h, and keep the temperature of the mixture under ice bath At about 5°C, then slowly add 3mL of ammonium persulfate solution (1mol / L) dropwise, it can be observed that the fabric turns from white to dark green, and finally washed several times with deionized water and dried at 80°C for 4 hours to obtain cotton Fabric / polynitrogen / polyaniline highly efficient recyclable catalytic material.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to a preparation method of a fabric / poly-nitrogen / polyaniline / titanium dioxide catalytic material. The method comprises the steps of preparing a fabric / poly-nitrogen material andpreparing a fabric / poly-nitrogen / polyaniline / titanium dioxide catalytic material. According to the method, the light response region is effectively broadened to near infrared, the solar energy utilization rate is greatly increased, and the catalytic material can be repeatedly recycled.

Description

technical field [0001] The invention belongs to the field of preparation methods of composite photocatalytic materials, in particular to a preparation method of fabric / polynitrogen / polyaniline / titanium dioxide catalytic materials. Background technique [0002] With the acceleration of industrialization and urbanization in our country, environmental pollution caused by organic pollutants, polymer waste, and biomass pollution has become a serious social problem. Even low concentrations of certain organic pollutants can be highly toxic, posing serious threats to ecosystems and human health. Traditional pollutant treatment technologies, such as physical adsorption and chemical precipitation, cannot completely remove these organic pollutants, and many other harmful by-products may be produced during actual operation, causing secondary pollution. Therefore, an effective "green" technology is needed to convert harmful pollutants into harmless substances without causing secondary p...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): B01J31/38
CPCB01J31/38B01J35/39
Inventor 杨瑞祥刘保江董锋张海升张俊
Owner DONGHUA UNIV