Graphene-based composite filter material applied to filter stick for cigarette

A graphene-based, graphene-based technology, applied in applications, e-liquid filters, tobacco, etc., can solve problems such as the negative impact of smoking quality, reduce the moisture and taste of smoke, and compress the overall structure of the filter rod, so as to improve the temperature of smoke. Too high, the effect of improving the collapse of the filter rod structure and avoiding the increase of cigarette smoking resistance

Active Publication Date: 2019-06-14
CHINA TOBACCO YUNNAN IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Among them, the paper filter rod has the advantages of effectively reducing tar, being cheap and environmentally friendly, but there are still the following problems in practical applications: 1) Thermal collapse is more likely to occur during the suction process, which makes the overall structure of the filter rod compressed and deformed , the suction resistance increases, which affects the suction experience; 2) Compared with the acetate filter rod, the paper filter material has its specific adsorption advantages, but it will also cause a certain negative impact on the suction quality. Some "paper taste", and the dry taste caused by reducing the moisture content of the smoke

Method used

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  • Graphene-based composite filter material applied to filter stick for cigarette

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Embodiment 1

[0033] A graphene-based composite filter material applied to cigarette filter rods is made by bonding the developed graphene-based membrane material to the surface of the filter rod paper-based material in the form of upper and lower layers. Wherein, the preparation of the graphene-based film material for cigarettes comprises the following steps:

[0034] Step (1), select the specific surface area as 600 m 2 / g, graphene oxide with a sheet diameter of 5-10 μm and an average number of layers of 5-7 layers;

[0035] Step (2), reducing the graphene oxide selected in step (1) with 5% natural reducing agent vitamin C solution to obtain reduced graphene oxide with a C / O of 5.5-6;

[0036] Step (3), mix lemongrass, palmarosa and Moringa raw materials together according to the mass ratio of 1:5:3, extract twice with 80% ethanol solution that is 3 times the mass of plant raw materials, filter and combine the extracts, and separate Obtain plant extract and fiber solid slag; beat the p...

Embodiment 2

[0044] A graphene-based composite filter material applied to cigarette filter rods. The developed graphene-based membrane material is used to bond the inner surface of the uncoated tobacco flavor to the surface of the polylactic acid film in the form of upper and lower layers. Wherein, the preparation of the graphene-based film material for cigarettes comprises the following steps:

[0045] Step (1), select the specific surface area as 500 m 2 / g, graphene oxide with a sheet diameter of 7-10 μm and an average number of layers of 5-7 layers;

[0046] In step (2), the graphene oxide selected in step (1) is reduced with a 7.5% natural reducing agent chitosan and vitamin C complex (m / m=1:1) solution to obtain a C / O of 5.5 ~6 reduced graphene oxide;

[0047] Step (3), mix lemongrass, palmarosa and Moringa raw materials together according to the mass ratio of 1:6:4, then extract 3 times with 80% ethanol solution twice the mass of plant raw materials, filter and combine the extracts,...

Embodiment 3

[0054] A graphene-based composite filter material applied to cigarette filter rods. The developed graphene-based membrane material is bonded to the surface of the filter rod paper-based material in the form of upper and lower layers. Wherein, the preparation of the graphene-based film material for cigarettes comprises the following steps:

[0055] Step (1), select the specific surface area as 700 m 2 / g, graphene oxide with a sheet diameter of 5-7 μm and an average number of layers of 5-7 layers;

[0056] In step (2), the graphene oxide selected in step (1) is reduced with a 6% solution of a compound (m / m=1:5) of natural reducing agent vitamin C and gallic acid to obtain a C / O of 5.5~ 6 reduced graphene oxide;

[0057] Step (3), mix lemongrass, palmarosa and Moringa raw materials together according to the mass ratio of 1:8:7, and then extract 4 times with 80% ethanol solution with 5 times the mass of plant raw materials, filter and combine the extracts, respectively Obtain ...

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Abstract

The invention relates to a graphene-based composite filter material applied to a filter stick for a cigarette and belongs to the technical field of novel filter sticks for cigarettes. According to thegraphene-based composite filter material, firstly graphene oxide is subjected to partial reduction, and the graphene oxide and a spice plant fiber is subjected to crosslinking treatment and casting into a graphene-based thin film; the graphene-based thin film is subjected to hydrophobic modification, a compound system with a plane extraction extract and spice for the cigarette is used for conducting perfuming coating on the graphene-based thin film, the graphene-based thin film is bonded and compounded with a filter stick paper base material for the cigarette or a polylactic acid thin film, and the graphene-based composite filter material applied to the filter stick for the cigarette is prepared. The prepared graphene-based composite filter material has good adsorption slow-release performance, heat conduction performance and hydrophobic performance in the cigarette smoking process, the sensory quality of the main stream smoke can be improved, the problem of thermal collapse of the filter stick for the cigarette is solved, the phenol compound in the main stream smoke can also be obviously lowered, and the quality of the cigarette product is comprehensively improved.

Description

technical field [0001] The invention belongs to the technical field of cigarette filter rods, and in particular relates to a graphene-based composite filter material applied to cigarette filter rods. Background technique [0002] Conventional cigarette filter materials mainly include paper filter rods, acetate fiber filter rods and polypropylene fiber filter rods. Among them, the paper filter rod has the advantages of effectively reducing tar, low price and environmental friendliness, but there are still the following problems in practical application: 1) Thermal collapse is easy to occur during the suction process, which makes the overall structure of the filter rod compressed and deformed , the suction resistance increases, which affects the suction experience; 2) Compared with the acetate filter rod, the paper filter material has its specific adsorption advantages, but it will also cause a certain negative impact on the suction quality. Some "paper taste", and the dry mo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A24D3/02A24D3/14
Inventor 王猛李超李源栋凌军张天栋廖头根朱保昆
Owner CHINA TOBACCO YUNNAN IND
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