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Method for preparing novel antibacterial electronic cigarette appearance material

An electronic cigarette, a new technology, applied in the field of electronic cigarette materials, can solve the problem of few applications, and achieve the effect of simple raw materials, wide market application prospects, and easy availability of raw materials

Active Publication Date: 2015-11-11
CHINA TOBACCO GUANGXI IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Organic antibacterial powders are rarely used in the field of antibacterial plastics due to thermal stability problems

Method used

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  • Method for preparing novel antibacterial electronic cigarette appearance material
  • Method for preparing novel antibacterial electronic cigarette appearance material
  • Method for preparing novel antibacterial electronic cigarette appearance material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Embodiment 1: 1.016g tetrapropyl ammonium hydroxide (TPAOH) and 0.082g sodium metasilicate (NaAlO 2 ) was stirred and dissolved in 12mL of water, 1.065g of tetrapropylammonium bromide (TPABr) was dissolved in 6mL of water, the two solutions were mixed, and after stirring at room temperature for 10 to 50 minutes, a uniform solution was obtained, and tetraethyl orthosilicate (TEOS ) 4.792 g was stirred overnight at room temperature. The resulting mixture was continuously stirred and heated at 250 rpm in an oil bath at 140°C for 12 hours, washed with water and ethanol for more than two times after centrifugation, and dried at 70°C to obtain the target nano-zeolite material. The obtained nano-zeolite was calcined in vacuum at 200°C for 5 hours, and dispersed in 0.01M silver nitrate (AgNO 3 ) aqueous solution 50mL, and stirred in the dark for 12h, the product was washed with deionized water, and dried to obtain a silver-loaded nano-zeolite material. 500 mg of the obtained ...

Embodiment 2

[0032] Embodiment 2: 1.531g tetrapropyl ammonium hydroxide (TPAOH) and 0.083g sodium metasilicate (NaAlO 2 ) was stirred and dissolved in 18 mL of water, and after stirring at room temperature for 10 to 50 minutes, a uniform mixed solution was obtained, and 5.125 g of tetraethyl orthosilicate (TEOS) was added and stirred overnight at room temperature. The resulting mixture was continuously stirred and heated at 250 rpm in an oil bath at 140°C for 72 hours, washed with water and ethanol for more than two times after centrifugation, and dried at 70°C to obtain the target nano-zeolite material. The steps of nano-zeolite silver loading, organicization, and plastic melt blending to prepare composite materials are the same as in Example 1.

Embodiment 3

[0033] Embodiment 3: 1.039g tetrapropyl ammonium hydroxide (TPAOH) and 0.078g sodium metasilicate (NaAlO 2 ) was stirred and dissolved in 18mL of water, and 0.089g of tetrapropylammonium bromide (TPABr) was added. After stirring at room temperature for 10 to 50 minutes, a uniform mixed solution was obtained, and 4.167g of tetraethyl orthosilicate (TEOS) was added and stirred at room temperature. overnight. The resulting mixture was continuously stirred and heated at 400 rpm in an oil bath at 140°C for 24 hours, washed with water and ethanol for more than two times after centrifugation, and dried at 70°C to obtain the target nano-zeolite material. The steps of nano-zeolite silver loading, organicization, and plastic melt blending to prepare composite materials are the same as in Example 1.

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Abstract

The invention provides a novel antibacterial electronic cigarette appearance material and a preparation method thereof. Tetraethoxysilane and sodium metaaluminate are used as raw materials, water is used as solvent, and under the template action of tripropyl ammonium hydroxide and tripropyl ammonium bromide, a nano silicon aluminum zeolite material of a cellular structure is prepared through molecular self-assembly. The cellular nano zeolite is soaked in a silver nitrate solution after high-temperature calcination, and silver-loaded nano zeolite is obtained. After the surface of the silver-loaded nano zeolite is subjected to organic modification, the silver-loaded nano zeolite is added into polyethylene (PE), polypropylene (PP) and butadiene-acrylonitrile-styrene resin (ABS) through a melt blending method, and accordingly the nano silver-loaded zeolite / plastic composite antibacterial material is prepared. The raw materials of the antibacterial material are simple and easy to obtain, the technical route is mature, the antibacterial material can be used as a novel antibacterial electronic cigarette sleeve material and play the effect of bacteriostasis in the repeated use process of electronic cigarettes, and the phenomenon that bacterium growth impairs the good health of electronic cigarette users is avoided.

Description

technical field [0001] The invention belongs to the field of electronic cigarette materials, and relates to a preparation method of a novel antibacterial electronic cigarette appearance material. Background technique [0002] Antibacterial functional technology and its products are new technologies and products that have been developed rapidly in recent years driven by people's huge demand for preventing the spread of diseases and improving living standards. E-cigarettes are products that are used repeatedly. Usually, the industrial-grade plastics and resins used for the appearance of e-cigarettes have poor antibacterial properties. Prolonged use can easily breed bacteria and affect the health of users. Antibacterial agents are added to plastics to kill or resist reproduction of bacteria on the surface of the tobacco pipe within a certain period of time, and the modified tobacco pipe material will have excellent antibacterial properties. The application technology developme...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L55/02C08K9/12C08K9/06C08K3/28C08L23/12C08L23/06
Inventor 张雨夏赵东元田兆福陈珍霞陆漓黄忠辉王萍娟
Owner CHINA TOBACCO GUANGXI IND
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