Mask used for bacteria suppression and dust prevention

A mask and dust technology, applied in protective clothing, applications, clothing, etc., to achieve good adsorption, good filtration efficiency, and the effect of protecting coal dust

Inactive Publication Date: 2015-10-28
冒华
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by this invention is to overcome the above-mentioned disadvantages, research and design can efficiently protect PM2.5 with chitosan or its derivatives as raw material, and the mask with high comfort when worn is especially suitable for weak respiratory muscles. Or the old, the weak, the sick, the disabled, and the young with poor cardiopulmonary function

Method used

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  • Mask used for bacteria suppression and dust prevention
  • Mask used for bacteria suppression and dust prevention
  • Mask used for bacteria suppression and dust prevention

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] combine figure 1 The mask used for bacteriostasis and protection of PM2.5 according to the present invention shown is composed of the main body part 1 of the mask and the earbands 2 and 3 of the mask.

[0030] combine figure 2 The described mask main body 1 of the mask that the present invention is shown for bacteriostasis and protection PM2.5 is composed of the first non-woven layer 4, the metal ion adsorption layer 5, the antibacterial layer 6 and the second non-woven layer 7 from top to bottom. Made by stacking one after the other.

[0031] Described first non-woven fabric layer 4 and second non-woven fabric layer 7 are identical, and described non-woven fabric material is medical non-woven fabric, purchased from Suzhou Aimei Medical Products Co., Ltd.

[0032] The metal ion adsorption layer 5 is composed of chitosan or its derivatives and medical non-woven fabrics (purchased from Suzhou Aimei Medical Products Co., Ltd.). The preparation method is as follows: chi...

Embodiment 2

[0042] The mask of the present invention for bacteriostasis and protection of dust (made in Example 1) has an adsorption test on metal particle dust, which has been detected by the Jiangsu Provincial Special Protective Products Testing Center.

[0043] 1. Grouping: The experiment is divided into copper sulfate aerosol group, iron hydroxide aerosol group, lead acetate aerosol group, and sodium chloride aerosol group. Each major group is an experimental group. The aerosol concentration is 20 mg / m 3 , the second aerosol concentration of the experimental group was 80 mg / m 3 , experimental group three 200mg / m 3 , 10 in each group.

[0044] 2. Experimental steps

[0045] Equipment: aerosol generator, air pump, gas flow meter, particle detector

[0046] Detection conditions: airflow 85L / min, temperature around 25℃, relative humidity around 30%, concentration 0-200mg / m 3 .

[0047] Operation: Prepare aerosols of copper sulfate, ferric hydroxide, lead acetate, and sodium chloride ...

Embodiment 3

[0060] Embodiment 3 The respiratory resistance of the mask of the present invention was detected, and it was detected by the Jiangsu Provincial Special Protective Equipment Testing Center.

[0061] 1. Equipment: test head mold breathing tube, pressure measuring tube, micro pressure gauge, flow meter, air pump, compressor

[0062] 2. Detection conditions: airflow flux 85L / min

[0063] 3. Operation: put the mask (made in Example 1) on the test head mold, check the air tightness, adjust the airflow to 85L / min, turn on the air pump or compressor, and record the inhalation resistance and exhalation resistance. Calculate the average

[0064] 3. Experimental data

[0065] sample airflow Inhalation resistance (Pa) Expiratory resistance (Pa) 85 66 85

[0066] Experimental conclusion: the breathing resistance of the mask of the present invention is low.

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Abstract

The present invention provides a mask used for bacteria suppression and dust prevention. The mask is composed of a mask main body (1) and mask ear ribbons (2, 3). The mask main body (1) is manufactured by stacking up a first non-woven fabric layer (4), a metal ion absorption layer (5), a bacteria suppression layer (6) and a second non-woven fabric layer (7) from top to bottom in turn. After a series of filter efficiency, respiratory resistance and bacteria resistance experiments of the mask used for bacteria suppression and dust prevention, results show that the mask has excellent efficacies of excellent adsorption of metal particles, excellent filter efficiency and an excellent bacteria resistance effect, the respiratory resistance being superior to the conventional N90, N95 and N100 masks. Therefore, the mask provided by the present invention can effectively prevent dust, haze particles, power plant dust, coal dust and the like, and effectively prevent germ invasion, is also suitable for clinical operation protection, is suitable for people to wear, has large application values, and is simple to manufacture and applicable for industrial production.

Description

technical field [0001] The invention relates to protective articles, in particular to a mask used for bacteriostasis and dust protection, in particular to a novel PM2.5 dust protection mask. Background technique [0002] In recent years, most parts of China have encountered severe haze weather, which has brought huge harm to the environment, economy and human health. With the spread of smog, people are paying more and more attention to their own safety. The various PM2.5 dust masks that followed have also come into being. At present, the protective PM2.5 masks that meet the standard have a high retention rate, but the air permeability is relatively poor and the comfort is low. The inventors found that the PM2.5 enrichment factor contains a variety of metal ions, and chitosan or its derivatives have a strong complexing effect, which can effectively adsorb the metal ions in PM2.5. Therefore, it is an urgent problem to study how to use chitosan and its derivatives to make ma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A41D13/11A41D31/02
Inventor 冒华
Owner 冒华
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