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Polymer composition for air purification

A technology of air purification and air purifier, applied in the direction of deodorization, disinfection, etc., can solve problems such as large air pressure drop

Inactive Publication Date: 2008-02-06
卢万均
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0020] Specifically, severe fusion of potassium superoxide in the potassium superoxide packed bed resulted in a very large air pressure drop across the bed

Method used

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  • Polymer composition for air purification

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0094] Mix dimethylpolysiloxane, methyltriacetoxysilane, dibutyltin dilaurate and potassium superoxide with a viscosity of 100 mPas at room temperature and hydroxyl-terminated ends of the molecular chain at the contents shown in Table 1 below. To prepare polymer compositions for air purification (sample Nos. 1-4). After the polymer composition is fully cured, it is stored in a desiccator filled with nitrogen.

[0095] Table 1 Composition and content (embodiment 1) of each air purification sample

[0096]

[0097] The above polymer composition (sample No. 1-4) is light yellow, and becomes white after potassium superoxide fully reacts with carbon dioxide to generate oxygen.

Embodiment 2

[0099] Mix dimethylpolysiloxane, methyltriacetoxysilane, dibutyltin dilaurate and calcium hydroxide with a viscosity of 100 mPas at room temperature and hydroxyl-terminated ends of the molecular chain at the contents shown in the following table 2 To prepare polymer compositions for air purification (sample Nos. 5-8). After the polymer composition is fully cured, it is stored in a desiccator filled with nitrogen.

[0100] Composition and content (embodiment 2) of each air cleaning sample of table 2

[0101]

Embodiment 3

[0103] Mix dimethylpolysiloxane, methyltriacetoxysilane, dibutyltin dilaurate and magnesium hydroxide with a viscosity of 100 mPas at room temperature and hydroxyl-terminated ends of the molecular chain at the contents shown in Table 3 below. To prepare polymer compositions for air purification (sample Nos. 9-12). After the polymer composition is fully cured, it is stored in a desiccator filled with nitrogen.

[0104] Composition and content (embodiment 3) of each air purification sample of table 3

[0105]

[0106] The polymer compositions in Example 2 and Example 3 (both containing stabilizer) changed from the light yellow color presented in Example 1 (without stabilizer) to cloudy.

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Abstract

Disclosed herein are a polymer composition for air purification and a filter manufactured using the polymer composition. The polymer composition comprises a peroxide or superoxide and silicone (i.e. an organopolysiloxane). Since the silicone has a high gas permeability, the polymer composition comprising the peroxide or superoxide as an air purifier rapidly absorbs harmful gases and is highly stable even when in contact with water, allowing the polymer composition to show superior characteristics. Particularly, since the polymer composition comprises a stabilizer, it is highly stable and thus is not spontaneously ignited even at very high temperatures. Accordingly, the polymer composition can be manufactured into filters having various shapes by common rubber processing.

Description

technical field [0001] The present invention relates to a composition for air purification, more specifically, to a polymer composition for air purification comprising peroxide or superoxide and silicone resin for removing harmful gases and generating oxygen, and Filter material made from the polymer composition. Background technique [0002] Filter materials used in air purification systems are generally used to remove dust particles from the air. Therefore, the filter material currently used is the well-known high-efficiency particulate air (HEPA) filter material. HEPA filter material is very effective in removing dust particles, especially the removal rate of indoor dust particles, viruses, fungi, and particles above 0.3 μm is over 99%, which is suitable for use in air purification systems. [0003] In addition to HEPA filter materials, filter materials with various functions are currently used in air purification systems, such as deodorizing activated carbon filter mat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61L9/01
CPCC08K3/22C08L83/04A61L9/01C08L67/00A61L9/014A61L2209/13A61L2209/14A61L2209/22
Inventor 卢万均郑太薰
Owner 卢万均
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