Filter tip additional material capable of reducing harmful ingredients as well as preparation method and application thereof

A technology of adding materials and filters, which is applied in the direction of nanotechnology for materials and surface science, applications, e-liquid filter elements, etc., can solve the problems of complex preparation process, high price, single component, etc., and achieve the effect of simple preparation method

Inactive Publication Date: 2011-09-14
FUZHOU UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these materials have disadvantages
First of all, the additive materials for these mouthpieces are more expensive or the preparation process is more complicated and difficult to be used in industrial production, and their safety needs further research; Hazardous substances degrade at the same time

Method used

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  • Filter tip additional material capable of reducing harmful ingredients as well as preparation method and application thereof
  • Filter tip additional material capable of reducing harmful ingredients as well as preparation method and application thereof
  • Filter tip additional material capable of reducing harmful ingredients as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0019] The preparation method of titanate nanotube is:

[0020] 0.5 ~ 100 grams of cheap TiO 2 After fully mixing the raw material with an alkali solution with a concentration of 10-1000 ml of 5-15 mol / liter, react in a polytetrafluoroethylene container at 373-423K for 1-3 days; the pH value of the generated product is adjusted to 1-7 After fully washing with distilled water, drying at 323-373K under normal pressure for 1-40 hours to prepare the titanate nanotube additive material.

[0021] The pH value of the generated product is adjusted using 0.1-0.5 mol / liter of hydrochloric acid or nitric acid.

[0022] Described drying adopts normal pressure drying.

[0023] The prepared titanate nanosheet additive material has a layered structure with a specific surface of 300 m 2 .g -1 Above, the short ones are hundreds of nanometers long, and the long ones can reach the micron level, arranged randomly. The inner diameter of the tube is about 5 nm and the outer diameter is about 1...

Embodiment 1

[0025] Inexpensive TiO at 0.5 g 2 After fully mixing the raw material with a concentration of 10 milliliters of 5 mol / liter alkali solution, react for 1 day at 373K in a polytetrafluoroethylene container; The titanate nanotube additive material was obtained by pressing and drying for 5 hours.

Embodiment 2

[0027] 1 gram of cheap TiO 2 After fully mixing the raw material with a concentration of 20 milliliters of 10 mol / liter alkali solution, react at 393K in a polytetrafluoroethylene container for 1 day; The titanate nanotube additive material was obtained by pressing and drying for 10 hours.

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Abstract

The invention relates to a filter tip additional material as well as a preparation method and an application thereof. The additional material is a titanate nano tube and is synthesized by adopting the conventional hydrothermal method. The additional material can be widely applied to the filter tip of a cigarette, and multiple harmful substances in main stream smoke of the cigarette can be reduced.

Description

technical field [0001] The invention belongs to cigarette additive materials, and more specifically relates to a titanate nanotube additive material for reducing the release of various harmful components in cigarette mainstream smoke, a preparation method and application thereof. Background technique [0002] Scientific research evidence and epidemiological statistics prove that smoking will cause significant harm to human health. The main components in cigarette smoke are tar, nicotine (nicotine) and carbon monoxide (CO), which are toxic and harmful to the human body. Tar is carcinogenic to humans. The CO generated by the burning of cigarettes makes people hypoxic, and nicotine (nicotine) is very easy to make people dependent (addiction), and can also paralyze people's respiratory center and cause people's cardiovascular diseases. In addition, polycyclic aromatic hydrocarbons, nitrosamines and other substances are the most important and most abundant carcinogens in cigaret...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A24D3/06A24D3/12
CPCA24B15/286C01G23/005A24D3/16C01G23/003C01P2002/72C01P2004/04C01P2004/13B82Y30/00
Inventor 邓其馨魏明灯傅辉谢卫黄朝章洪振生
Owner FUZHOU UNIV
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