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Antibacterial and antiviral composite filtering material with flame-retardant function and production process of antibacterial and antiviral composite filtering material

A compound filtration and anti-virus technology, which is applied in the direction of filtration separation, dispersed particle filtration, raw material extrusion granulation, etc., can solve the problems of no antibacterial and anti-virus effects, lack of flame retardant function, etc., and achieve a wide range of industrial application prospects, excellent Sustained release performance, the effect of good safety performance

Pending Publication Date: 2022-04-15
HENAN ANKELIN FILTER IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide an antibacterial and antiviral composite filter material with flame retardant function and its production process to solve the technical problems that existing filter materials do not have antibacterial and antiviral effects and lack flame retardant function

Method used

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  • Antibacterial and antiviral composite filtering material with flame-retardant function and production process of antibacterial and antiviral composite filtering material
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  • Antibacterial and antiviral composite filtering material with flame-retardant function and production process of antibacterial and antiviral composite filtering material

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preparation example Construction

[0025] The present invention also provides a preparation method of an antibacterial and antiviral composite filter material with flame retardant function, comprising the following steps: step (1) preparation of expanded polytetrafluoroethylene filter membrane: a. Accurately weigh, add expanded polytetrafluoroethylene resin particles in the mixer, then add nano antibacterial and antiviral agents, flame retardants, dispersants, lubricants to the mixer in turn, after the addition is complete, mix and stir to obtain mixture A; The mixture A is conveyed to the inside of the plunger stamping extruder, and the mixture A is granulated by the plunger stamping extruder; due to the high viscoelasticity of polytetrafluoroethylene, if it is processed by a traditional screw extruder, the production The performance of the product will be affected; the plunger stamping extruder is used for processing, and the product quality is relatively uniform and the work efficiency is high;

[0026]b. Fi...

Embodiment 1

[0031] An antibacterial and antiviral composite filter material with flame retardant function, the composite filter material is composed of the following raw materials in parts by weight: 100 parts of expanded polytetrafluoroethylene resin, 6 parts of nano-magnesium oxide, N,N-di(ethyl phosphate) 10 parts of biguanide, 5 parts of white oil, 4 parts of calcium stearate, 20 parts of pentane, 10 parts of antibacterial and antiviral microcapsules, 12 parts of modified acrylic resin; Parts by weight are: 5 parts of ethyl cellulose; 2 parts of luohan cypress oil; 2 parts of fennel oil; 2 parts of compound drug extracts of honeysuckle, forsythia and licorice; 25 parts of gelatin; 1 part of emulsifier; 10 parts of dichloromethane; 80 parts of distilled water.

[0032] The preparation method of the antibacterial and antiviral composite filter material with flame retardant function comprises the following steps: step (1) preparation of expanded polytetrafluoroethylene filter membrane: a...

Embodiment 2

[0038] An antibacterial and antiviral composite filter material with flame retardant function, the composite filter material is composed of the following raw materials in parts by weight: 100 parts of expanded polytetrafluoroethylene resin, 10 parts of nano-copper oxide, 3-aminopropyltriethoxysilane 15 parts, 10 parts of silicone oil, 8 parts of oleic acid amide, 35 parts of cyclohexane, 15 parts of antibacterial and antiviral microcapsules, 14 parts of amino resin; : 10 parts of ethyl cellulose; 5 parts of Luo Hanbai oil; 5 parts of fennel oil; 5 parts of compound medicine extracts of honeysuckle, forsythia, and licorice; 40 parts of gelatin; 2 parts of emulsifier; 15 parts of dichloromethane; 100 parts of distilled water. The preparation method of the antibacterial and antiviral composite filter material with flame retardant function is the same as that in Example 1.

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Abstract

The invention relates to an antibacterial and antiviral composite filter material with a flame-retardant function and a production process thereof. The filtering material is prepared from the following raw materials in parts by weight: 100 parts of expanded polytetrafluoroethylene resin, 6-10 parts of a nano antibacterial and antiviral agent, 10-15 parts of a flame retardant, 5-10 parts of a dispersing agent, 4-8 parts of a lubricating agent, 20-35 parts of a hydrocarbon diluent, 10-15 parts of antibacterial and antiviral microcapsules and 12-14 parts of an adhesive. The preparation method of the filter material comprises the following three steps: preparation of the expanded polytetrafluoroethylene filter membrane, preparation of the antibacterial and antiviral microcapsule and combination of the antibacterial and antiviral microcapsule and the expanded polytetrafluoroethylene filter membrane. The nano antibacterial and antiviral agent and the flame retardant are uniformly dispersed in the expanded polytetrafluoroethylene resin, and the antibacterial and antiviral microcapsules are combined with the expanded polytetrafluoroethylene filter membrane, so that the filter material has efficient antibacterial, antiviral and flame-retardant effects, also has good slow-release performance, is long in antibacterial time, and is suitable for large-scale popularization and application. The method has a wide industrial application prospect.

Description

technical field [0001] The invention belongs to the technical field of filter materials, and in particular relates to an antibacterial and antiviral composite filter material with a flame-retardant function and a production process thereof. Background technique [0002] With the development of modern science and technology, the level of industrialization continues to increase, and people's awareness of environmental protection has gradually strengthened. The air purification industry has received more and more attention from people. The most obvious manifestation is that there are more and more air purification projects in public buildings. Air filtration The material is widely used in large complexes such as subways, hospitals, hotels, and shopping malls. After entering the 21st century, with the rapid development of air filtration technology, many filter materials with excellent performance have been developed. For example, composite filter materials woven with continuous...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D46/00B01D46/54B01D39/16B01D67/00B01D71/36B01J2/20B01J13/02
Inventor 李瑞乐王海军李喜彦
Owner HENAN ANKELIN FILTER IND
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