Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Allochroic silica gel mask capable of representing electrostatic adsorption capacity

A technology of color-changing silica gel and electrostatic adsorption, which is used in material analysis, clothing, and chemical reaction of materials by observing the impact on chemical indicators. It also has the problems of anti-virus effect and reduction of electrostatic adsorption effect, so as to achieve excellent adsorption and filtration effect, excellent filtration and adsorption capacity, and improve the effect of effective use time.

Pending Publication Date: 2020-08-14
XI AN JIAOTONG UNIV
View PDF8 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Experiments have shown that the electrostatic adsorption effect of the polypropylene electret on the melt-blown cloth layer of the mask will be greatly reduced after the humidity increases, that is, the mask will no longer have a good anti-virus effect
At the same time, if the mask is stored for a long time, its electrostatic adsorption effect may be reduced due to moisture absorption, which will seriously affect the blocking and isolation effect on viruses and bacteria
[0003] The current commercially available masks, including various disposable and KN95 masks, have no function to show whether there is electrostatic adsorption to block viruses. In practice, many masks have failed but are still used

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

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Allochroic silica gel mask capable of representing electrostatic adsorption capacity
  • Allochroic silica gel mask capable of representing electrostatic adsorption capacity
  • Allochroic silica gel mask capable of representing electrostatic adsorption capacity

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] A color-changing silicone mask that can characterize the electrostatic adsorption capacity provided in this embodiment includes: a mask body 6 , a mask belt 7 and a variable bead 8 . The mask body 6 includes a four-layer structure from the outside to the inside, which are the outer layer 1 of transparent non-woven fabric, the layer 2 of color-changing silica gel, the layer 3 of melt-blown cloth and the inner layer 4 of non-woven fabric.

[0038] (1) Use a humidifier to simulate mouth and nose breathing, and measure the ambient relative humidity at room temperature before humidification to be 5%;

[0039] (2) Test the electrostatic charge of the melt-blown cloth layer of the medical mask at the humidity;

[0040] (3) Take 15g of color-changing silica gel beads and place them in (2) on the outer layer of the melt-blown cloth and cover them with transparent non-woven fabric, observe and record the degree of discoloration.

Embodiment 2

[0042] A color-changing silicone mask that can characterize the electrostatic adsorption capacity provided in this embodiment includes: a mask body 6 , a mask belt 7 and a variable bead 8 . The mask body 6 includes a four-layer structure from the outside to the inside, followed by a color-changing silica gel layer 2, a transparent non-woven outer layer 1, a melt-blown cloth layer 3 and a non-woven inner layer 4.

[0043] (1) Use a humidifier to simulate mouth and nose breathing, and adjust the relative humidity of the environment to be 20%;

[0044] (2) Test the electrostatic charge of the melt-blown cloth layer of the medical mask at the humidity;

[0045] (3) Take 15g of color-changing silica gel beads and place them in (2) on the outer layer of the melt-blown cloth and cover them with transparent non-woven fabric, observe and record the degree of discoloration.

Embodiment 3

[0047] A color-changing silicone mask that can characterize the electrostatic adsorption capacity provided in this embodiment includes a mask body 6 , a mask belt 7 and a variable bead 8 . The mask body 6 includes a four-layer structure from the outside to the inside, which are the outer layer 1 of transparent non-woven fabric, the layer 2 of color-changing silica gel, the layer 3 of melt-blown cloth and the inner layer 4 of non-woven fabric.

[0048] (1) Use a humidifier to simulate mouth and nose breathing, and adjust the relative humidity of the environment to be 35%;

[0049] (2) Test the electrostatic charge of the melt-blown cloth layer of the medical mask at the humidity;

[0050] (3) Take 15g of color-changing silica gel particles and place them in (2) on the outer layer of the melt-blown cloth and cover the transparent non-woven fabric, observe and record the degree of discoloration.

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

PropertyMeasurementUnit
Diameteraaaaaaaaaa
Radiusaaaaaaaaaa
Thicknessaaaaaaaaaa
Login to View More

Abstract

The present invention discloses an allochroic silica gel mask capable of representing the electrostatic adsorption capacity which comprises an allochroic silicagel layer, the allochroic silicagel layer is arranged on a mask body, and the allochroic silicagel layer can change color according to humidity and is used for representing the electrostatic adsorption capacity of the surface of the mask. The electrostatic adsorption performance of the mask is indirectly sensed through visual change of the color change degree of the allochroic silicagel, used materials are non-toxic, environmentally friendly, harmless to the human body, simple in structure, convenient to use and operate and wide in market application prospect.

Description

technical field [0001] The invention belongs to the technical field of characterizing the electrostatic adsorption of masks, and in particular relates to a color-changing silica gel mask which can characterize the electrostatic adsorption capacity. Background technique [0002] Due to the outbreak of new coronary pneumonia, masks with electrostatic adsorption capabilities have become a necessity to resist viruses. Medical personnel and ordinary people need to wear masks. People's mouth and nose are in close contact with the masks, and the humidity of the masks will inevitably increase during breathing. Experiments have shown that the electrostatic adsorption effect of the polypropylene electret on the melt-blown cloth layer of the mask will be greatly reduced after the humidity increases, that is, the mask will no longer have a good antiviral effect. At the same time, long-term storage of masks may also reduce their electrostatic adsorption effect due to moisture absorption...

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): A41D13/11A41D27/00A41D27/24A41D31/02A41D31/12A41D31/14G01N21/78
CPCA41D13/1115A41D27/00A41D27/24A41D31/02A41D31/12A41D31/145G01N21/78
Inventor 杨超卢亚飞吴晓东韩晓刚邱爱慈
Owner XI AN JIAOTONG UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com