KR20040095484A - Cigarette filter comprising soybean fiber - Google Patents

Abstract

PURPOSE: A cigarette filter comprising a soybean fiber is provided to remove a harmful component of a cigarette such as a nicotine and a tar, to be eco-friendly and to has a good antimicrobial effect. CONSTITUTION: The cigarette filter comprises a soybean fiber filter(1) of 23 to 55 wt.% of a soybean protein and 77 to 45 wt.% of a PVA polymer. The fiber is a soybean protein fiber in a state of a tow having a fineness of 1.15 to 2 deniers and a total denier of 20,000 to 40,000. An active carbon is absorbed on the soybean fiber filter. The cigarette filter is a triple filter wherein soybean fiber filters are on the both ends and the active carbon is between the ends.

Description

Cigarette filter including soybean fiber filter layer {CIGARETTE FILTER COMPRISING SOYBEAN FIBER}

The present invention relates to a tobacco filter comprising a soybean fiber filter layer for removing harmful components of tobacco such as nicotine and tar.

Tobacco smoke, as is known, contains about 4,000 harmful components in addition to tar and nicotine. About 40 of them are known to be cancer-causing substances and have recently been reported to contain dioxin, a highly toxic environmental hormone. Various diseases and mortality caused by smoking such cigarette smoke are increasing every year, and the damage is reaching a serious level. However, it is true that cigarettes are not easily broken due to addictive and habitual substances such as drugs.

Therefore, in order to reduce the amount of harmful components in the tobacco smoke inhaled by the human body, efforts have been made to develop various filters to remove toxic substances such as tar and nicotine as much as possible.

Conventional cigarette filters partially filter harmful nicotine and tar components, but the toxicity and the rate of filtration adsorbing and carcinogenic substances are weak, and it is a fact that a large amount of harmful substances are inhaled when smoking. Conventional filter types include a cellulose filter, a double char filter, a triple char filter, and the like, of which the cellulose acetate filter is most used. The cellulose molecule of the cellulose acetate filter is limited in the filtration of toxic substances of tobacco smoke because of its poor polymer properties and weak hydrogen bonds, and also because of its low solubility, it takes a long time to naturally decompose, causing soil pollution.

Korean Patent Laid-Open No. 2001-0044815 discloses a tobacco filter made of chitosan extracted from a crustacean shell of crab and fiber made of chitosan. Cigarette filters made of chitosan have various effects such as adsorption, biodegradability, antibacterial action, and soil improvement action, but since chitosan is expensive, it is diluted and used, so that the amount contained is low and practicality is low. In addition, the Republic of Korea Patent Publication No. 1995-039727 discloses a tobacco filter material that is produced in a non-woven fabric or tow by mixing the activated carbon fibers with natural and synthetic fibers in a certain ratio. Korean Patent Publication No. 1990-0006931 discloses a tobacco filter using an improved cotton fiber fabric made by rolling a woven fabric in the form of a cotton weft yarn gauze. The tobacco filter made of cotton has a higher removal rate of tar than nicotine, which is the most harmful ingredient of tobacco, and thus, not only serves as a cigarette filter but also reduces the intrinsic taste of tobacco.

Conventional filters have a poor removal ability, so most of the toxic components are delivered to the smoker, and when the performance as a filter is too large, there is a problem of reducing the intrinsic flavor of tobacco.

Therefore, there is a demand for development of an eco-friendly and cost-effective tobacco filter having the effect of removing toxic components in tobacco that is harmful to the human body while maintaining the flavor of tobacco.

Accordingly, an object of the present invention is to provide a tobacco filter that can remove harmful components of tobacco such as nicotine, tar, etc., and is environmentally friendly and excellent in antibacterial effect.

1 is a partially cutaway perspective view of a soybean fiber tobacco filter of the present invention.

2 is a partially cutaway perspective view of a tobacco filter filled with activated carbon between soybean fiber filter layers of the present invention.

[Description of main part of drawing]

1 ...... Soybean fiber filter 2 ...... Activated carbon

3 ...... Tip paper 4 ...... Membrane cigarettes

Hereinafter, the present invention will be described in detail.

The soybean fiber used in the present invention is a natural vegetable fiber made of a yarn having a single yarn specification of 0.9 to 3.0 dtex by extracting soy protein from a soybean residue, degreased soybean residue, and using a wet spinning method. Such soybean fiber is attracting attention as an environmentally friendly natural fiber that does not harm the environment as well as the human body in the production process.

First and foremost, soybean fiber is characterized by its main component, protein. According to the test report, soybean fiber has an antimicrobial effect against Escherichia coli, Staphylococcus aureus, and white rhinococcus. Soybean fiber protein is composed of 18-20 amino acids, and the side groups of amino acids are known to cause chemical reactions, such as -OH, -NH ₂ , -COOH.

In addition, soybean fiber is rich in tocopherol and saponin, which is known to prevent oxidation reactions and to be effective in decomposing harmful toxins. Due to the nature of these components, when applied as a cigarette filter, it is understood that they affect the adsorption and decomposition of harmful components such as nicotine, tar.

Soy protein fibers used in the present invention are:

Pure soy protein is extracted from soybean and then mixed with PVA solution to prepare a spinning stock solution. After removing the bubbles of the spinning stock solution, spinning with a wet spinning machine, and put the yarn from the nozzle into the coagulation solution through the process of wet stretching, drying, dry heat stretching and heat setting 23-55% of the plant protein based on the total weight, and 77 Soy protein fibers are prepared comprising ˜45% PVA polymer compound. More information on this is disclosed in CN 1286325A.

In an embodiment of the present invention, the soybean is composed of soybean fiber in a tow state composed of 23-55% soy protein and 77-45% PVA polymer compound, having a fineness of 1.15-2 denia and a total denia of 20,000-40,000. A soybean fiber tobacco filter is provided that includes a fiber filter layer.

In the provision of the soybean fiber tobacco filter according to the present invention, the fineness of the tow soybean fiber is preferably 1.15-2 denia, and when the fineness is less than 1.15 denia, the fibers are too fine and the fibers are weak and the fibers are agglomerated. Production as a filter is difficult, and when the fineness is 2 denier or more, the fiber is too thick and its structure becomes coarse, making it difficult to serve as a filter.

Soybean fiber total denia of the tow manufactured by the tobacco filter is preferably 20,000 ~ 40,000, when the total denia is less than 20,000, the ability to remove the harmful components as a filter, when more than 40,000, it is difficult to inhale tobacco smoke. There is this.

Additionally, in the manufacture of the soybean fiber filter, crimping the tow soybean fiber to improve its function as a filter increases the density of the soybean fiber and increases its composition, so as to increase the suction power of tobacco harmful substances. do. At this time, the number of crimps is 27 or more per 25mm.

The length of the soybean fiber filter layer is preferably 25 to 75% of the total tobacco length. As shown in Fig. 1, the proportion of the soybean fiber filter 1 is more preferably 25% of the total tobacco length.

Moreover, activated carbon can be made to adsorb | suck to the soybean fiber filter used for this invention. 1, in the manufacture of a filter tobacco produced by attaching a soybean fiber filter 1 to one side of a membrane cigarette 4 and then wrapping the soybean fiber filter 1 with a tip paper 3, the tip Before wrapping the soybean fiber filter with paper (3), the activated carbon may be adsorbed by a method such as spraying or coating. The amount of activated carbon adsorbed to the soybean fiber filter may be adsorbed in an amount sufficient to remove harmful components.

Tobacco filter according to the present invention can be filled with activated carbon between the soybean fiber filter layer in order to further improve the adsorption of harmful components. In Fig. 2, the soybean fiber filter 1 is composed of a triple filter placed at both ends and filled with activated carbon 2 in the middle of the soybean fiber filter. By 1), harmful substances in cigarette smoke are filtered, and harmful substances can be filtered in triplicate while passing through activated carbon (2) and soybean fiber filter (1) one by one.

The activated carbon that can be filled between the soybean fiber filter layers is preferably 1/6 to 1/3 of the total filter length when the filter occupies 25% of the total tobacco. When the ratio of activated carbon used is 1/6 or less, the amount is so small that the adsorption power as a filter is reduced, and when the ratio is 1/3 or more, activated carbon is sucked in during inhalation of tobacco smoke. At this time, the length of the remaining two tobacco filter layers except for the activated carbon is the same.

Soybean fiber tobacco filter material prepared as described above is soybean is the main raw material, is harmless to the human body, is an environmentally friendly raw material with excellent biodegradability than the conventional tobacco filter made of acetate tow. In addition, the antimicrobial effect effectively removes toxic substances such as nicotine and tar, and far-infrared light makes the taste of tobacco mild. In addition, by removing the activated carbon having excellent adsorption power into the soybean fiber filter or filling between the soybean fiber filters, the removal rate of harmful components is further increased.

The far-infrared ray of soybean fiber makes the taste of cigarettes mild, and it is effective to remove harmful and toxic substances due to antibacterial effect, and it is more biodegradable and provides eco-friendly tobacco filter than conventional acetate tow.

Claims (6)

By weight percent, consisting of 23-55% soy protein and 77-45% PVA polymer compound, comprising a soybean fiber filter layer consisting of soy protein fibers in a tow state with a fineness of 1.15-2 denia and a total denia of 20,000-40,000. Cigarette filter, characterized in that. The tobacco filter according to claim 1, wherein activated carbon is adsorbed on the soybean fiber filter. The tobacco filter according to any one of claims 1 to 2, wherein the tobacco filter is a triple filter having soybean fiber filters at both ends and activated carbon filled therebetween. The tobacco filter according to claim 1, wherein the fineness of the tow soybean fiber is 1.5 denia. The tobacco filter according to claim 1, wherein the length of the soybean fiber filter layer is 25 to 75% of the total tobacco length. 4. The cigarette filter according to claim 3, wherein the activated carbon filled in the triple filter is one fourth of the total filter length.