CN1166324C - Tip filter of cigarette for reducing harmful component in smoke fume - Google Patents

Abstract

The present invention provides a cigarette filter tip capable of reducing harmful components of cigarette smoke, which is composed of a conventional filter stick A and a material feeding filter stick B, wherein the material feeding filter stick B is composed of an acetate fibre filter stick and addition agents. The addition agents comprise active carbon, tea polyphenol and pyenogenol, and the weight of the addition agents accounts for 26.8 to 41.6% of the total weight of the material feeding filter stick B. When the tar reducing addition agent is prepared, the addition agents composed of the active carbon, the tea polyphenol and the pyenogenol are evenly mixed, then the operating speed of a filter stick forming machine and a material feeding regulator is regulated according to the weight percentage of the addition agents to the material feeding filter stick B, and the addition agents are evenly coated on opening acetate fibre tows. Thereby, the material feeding filter stick B is prepared. By adopting the composite cigarette filter tip of the present invention, the free radical of a gas phase is reduced by 14.8 to 23.4%, the content of various compounds of polycyclic aromatic hydrocarbon is reduced by 10.9 to 74.2%, and the main components in N-nitrosamine, such as NNN, NNK, NAT and NAB are reduced by 0.4 to 33.0%.

Description

Reduce cigarette filter of cigarette smoke harmful components and preparation method thereof

Technical field

The present invention relates to a kind of cigarette filter and preparation method thereof.Particularly relate to a kind of cigarette filter that reduces the cigarette smoke harmful components and preparation method thereof.

Background technology

At present, along with the raising day by day of quality of life, the contradiction between smoking and the health is also corresponding to be manifested.Owing to contain all kinds of harmful substances such as gaseous phase free radical, carcinogenic nitrogen nitrosamine and condensed-nuclei aromatics in the tobacco, can influence the health of human body.And simultaneously, cigarette has brought enjoyment to the consumer again, for society has created considerable economic.Under this situation about can not be put off easily by a slight risk, reduce the harm of smoking to human body, become the big problem of tobacco business.

For addressing these problems, in recent years, all adopt the harmful substance of removing cigarette by NACF or acetate fiber filter tip both at home and abroad in succession.But these single measures often can only suppress the harmful substance of tar and solid phase, and the inhibition of gas phase class carcinogen is then produced little effect.Thus, people have launched research to various interpolation materials, and Tea Polyphenols also is subjected to many researchers' attention.As in " preparation of Tea Polyphenols and the progress of application study " (" chemistry world " 1997,2,64～67) literary composition, just mention: add in the cigarette filter layer with Tea Polyphenols, make detoxified cigarette.Have extremely strong reproducibility and eliminate the free radical performance by Tea Polyphenols, make nicotine and smog mutagenesis, the degraded harmful substance, and do not influence cigarette flavor and excitation.Japan Patent JP08291013 and for example, the Tea Polyphenols that will extract from green tea is written into active carbon, is used for toothpaste, chewing gum, cigarette etc., has the smell of elimination, is absorbed with effect such as harmful substances.These open source literatures still are in adding the research of material, product efficacy are not provided concrete detection.And for example Chinese patent CN1145206A has disclosed a kind of low free radical and low toxicity cigarette and production method thereof, adds bluish dogbane medicinal extract and remove gaseous phase free radical in pipe tobacco, is mixed and made into filter tip with Tea Polyphenols and vitamin C with finite concentration and active carbon.Be mixed and made under the aggregate measures of filter tip with the bluish dogbane tobacco shred immersion and with Tea Polyphenols and vitamin C and active carbon taking, its oxygen radical removing rate reaches 26.8%.But it there is no achievement aspect other harmful substances such as elimination nitrogen nitrosamine and condensed-nuclei aromatics.And, because it has adopted the vitamin C of easy oxidation, store and transportation in the darkening of product, and cause the decline of function.In addition, because of ascorbic its certain conditions that is dissolved with, production technology is comparatively complicated.

Summary of the invention

The present invention is exactly in order to address the above problem, and the cigarette filter that a kind of good stability, technology are simple, can effectively reduce the cigarette smoke harmful components is provided.

Technical scheme of the present invention is achieved in that the cigarette filter of the reduction cigarette smoke harmful components of being made up of conventional filter stick A and reinforced filter stick B, and reinforced filter stick B is made up of cellulose acetate filter rod and additive.Wherein, additive formulations accounts for 26.8%～41.6% of reinforced filter stick B gross weight, forms to be respectively active carbon 25%～37%, Tea Polyphenols 1.4%～2.8%, pyenogenol 0.4%～1.8%.During preparation, as long as will evenly mix by the additive that active carbon, Tea Polyphenols and pyenogenol are formed, according to the percentage by weight of the reinforced relatively filter stick B of additive, the operating rate of regulating filter-stick forming device and reinforced adjuster is applied on the acetate silk of shredding additive equably then.Subsequently, will contain the acetate silk roll-forming of additive, filter stick B must feed in raw material.At last that conventional filter stick A and reinforced filter stick B is compound, promptly can be made into the cigarette filter that reduces the cigarette smoke harmful components.

Beneficial effect of the present invention is: because of pyenogenol is comprising many phenolic hydroxyl groups, be very easy to and radical reaction, make free radical lose the activity of attacking biological cell.In addition, its stability is fairly good, and consumption is low.The particularly mutual coordination of active carbon, Tea Polyphenols and three kinds of materials of pyenogenol, harmful substances such as absorption/reaction gaseous phase free radical, nitrogen nitrosamine and condensed-nuclei aromatics optionally, Synergistic reduces the harm of smoking cigarette to human body.When suction contains the cigarette of equal tar content, above-mentioned harmful substance is reduced greatly.As: tar content is the Virginian-type cigarette that 11mg/ props up, adopted filter tip of the present invention after, its gaseous phase free radical reduced rate is 10%～20%; The content of condensed-nuclei aromatics classes of compounds has reduced by 10.9%～36.0%; Main component NNN in the nitrogen nitrosamine, NNK, NAT and NAB have then descended 0.4%～33.0%.And tar content is the Virginian-type cigarette that 17mg/ props up, its gaseous phase free radical then drop to from the original 45.2 peak height units/bottom right of supporting the leftist side 34.6～34.8 peak height units/, reduced rate reaches 23.1%～23.4%; The content of condensed-nuclei aromatics classes of compounds has reduced by 16.5%～74.2%.

In addition, the result of biological detection shows: after adopting filter tip of the present invention, its mutagenicity, the health hazard degree of human body etc. significantly is lower than the cigarette that adopts common filter tip.

The specific embodiment

Embodiment one

A kind of cigarette filter that reduces the cigarette smoke harmful components is made up of conventional filter stick A and reinforced filter stick B.During preparation filter stick B, at first will evenly be mixed by the additive that active carbon, Tea Polyphenols and pyenogenol are formed, the percentage by weight of additive can be controlled in 26.8%～41.6% of reinforced filter stick B gross weight.According to the percentage by weight of the reinforced relatively filter stick B of additive, the operating rate of regulating filter-stick forming device and reinforced adjuster is applied on the acetate silk of shredding the additive agent mixture of being made up of active carbon, Tea Polyphenols and pyenogenol equably then.Subsequently, will contain the acetate silk roll-forming of additive, get final product reinforced filter stick B.At last that conventional filter stick A and reinforced filter stick B is compound, just can be made into the composite cigarette filter tip capable that reduces the cigarette smoke harmful components.Only need cigarette is docked with composite filter tip, the harmful substances such as gaseous phase free radical, nitrogen nitrosamine and condensed-nuclei aromatics that produced in the time of just can be with smoking cigarette obviously reduce.If the percentage by weight of active carbon, Tea Polyphenols and each component of pyenogenol is refined as respectively: 25%～37%, 1.4%～2.8% and 0.4%～1.8%, then can further improve the effect that reduces harmful substance in the flue gas.(seeing table 1～table 3 for details)

Table 1

Gaseous phase free radical	The contrast measured value (peak height unit /)	Measured value of the present invention (peak height unit /)	Reduced rate (%)
				Sample 1	45.2	34.6～34.8	23.1～23.4
Sample 2	30.5	26.0	14.8

Table 2

Condensed-nuclei aromatics	Contrast measured value (ng/cig)	Measured value of the present invention (ng/cig)	Reduced rate (%)
				Sample 1
Anthracene	59.44	47.91～49.60	16.5～19.4
				Fluoranthene	44.25	35.00～33.70	20.9～23.8
Pyrene	41.90	30.07～30.86	26.4～28.2
				Benzo [a] anthracene	13.79	6.67～10.16	26.3～51.6
Bend	19.37	11.65～15.18	21.6～39.8
				Benzofluoranthrene	22.40	0～10.79	51.8～100
Benzo [e] pyrene	8.21	0～2.12	74.2～100
				Benzo [a] pyrene	9.56	0～2.87	70.0～100
Sample 2
				Anthracene	78.3	81.7	-4.3
Fluoranthene	75.5	64.2	15.0
				Pyrene	73.2	65.2	10.9
Benzo [a] anthracene	26.8	22.6	15.8
				Bend	40.5	32.9	18.8
Benzofluoranthrene	26.6	17.5	34.4
				Benzo [e] pyrene	12.3	7.9	36.0
Benzo [a] pyrene	15.8	13.3	16.1

Table 3

The nitrogen nitrosamine	Contrast measured value (ng/cig)	Measured value of the present invention (ng/cig)	Reduced rate (%)
				NNN	135.5	107.2	20.9
NNK	185.7	124.5	33.0
				NAT	188.4	166.1	11.9
NAB	34.2	34.1	0.4

And, good stability of products, technology is simple.The ideal length ratio of conventional filter stick A and reinforced filter stick B is 1: 2～2: 1.

Embodiment two

A kind of cigarette filter that reduces the cigarette smoke harmful components, the method for preparation is the same, and components of additives is (percentage by weight of reinforced filter stick B): active carbon 28%～34%, Tea Polyphenols 1.8%～2.3%, pyenogenol 0.9%～1.3%.Except having higher physical and chemical index, the result of its biological detection is also quite desirable:

1. measure through the gaseous phase free radical-lipid peroxidation to cigarette smoke, show that its extent of injury to relevant health significantly reduces, reduced rate is up to 56.3%;

2. measure through the mutagenicity to tar, show under the various dose condition, its mutagenicity all significantly descends.Ames experiment tar can reduce mutagenicity 38%～51% in TA98 (adding the S9 activation), and can reduce mutagenicity 32%～54% in TA100 (adding/do not add the S9 activation);

3. through mouse being carried out the micronucleus test of cigarette smoke, test result shows the cigarette smoke that adopts filter tip of the present invention, and the mouse bone marrow cells micronuclear rates that brings out has reduced by 77.8% than control group, difference and remarkable.Prompting significantly descends to the genetoxic of human body chromosome damage;

4. the subchronic toxicity test (90 days) through the mouse that sucks cigarette smoke being carried out the cardiopulmonary tissue shows, the smog of employing filter tip of the present invention is lighter than the common filter tip of employing to the damage of smoking mice lung tissue, and does not see the myocardial damage performance.And the smog that adopts common filter tip makes and has 1 example smoking 30 days diffusivity myocarditis to take place in the smoking mice.

Claims (4)

1. cigarette filter that reduces the cigarette smoke harmful components, described cigarette filter is made up of conventional filter stick A and reinforced filter stick B, it is characterized in that described reinforced filter stick B is made up of cellulose acetate filter rod and additive, wherein additive formulations accounts for 26.8%～41.6% of reinforced filter stick B gross weight, form and be respectively active carbon 25%～37%, Tea Polyphenols 1.4%～2.8%, pyenogenol 0.4%～1.8%.

2. the cigarette filter of reduction cigarette smoke harmful components according to claim 1 is characterized in that the length ratio of described conventional filter stick A and reinforced filter stick B is 1: 2～2: 1.

3. the cigarette filter of reduction cigarette smoke harmful components according to claim 1, it is characterized in that the percentage by weight that described additive formulations accounts for reinforced filter stick B is: active carbon 28%～34%, Tea Polyphenols 1.8%～2.3%, pyenogenol 0.9%～1.3%.

4. a method for preparing the cigarette filter of the described reduction cigarette smoke of claim 1 harmful components is characterized in that: at first will evenly be mixed by the additive that active carbon, Tea Polyphenols and pyenogenol are formed; According to the percentage by weight of the reinforced relatively filter stick B of additive, the operating rate of regulating filter-stick forming device and reinforced adjuster is applied on the acetate silk of shredding additive equably then; The acetate silk roll-forming that will contain additive subsequently, filter stick B must feed in raw material; At last that conventional filter stick A and reinforced filter stick B is compound, promptly can be made into the cigarette filter that reduces the cigarette smoke harmful components.