CN201888247U

CN201888247U - Composite cigarette filter stick capable of simultaneously reducing harmful ingredients in cigarette

Info

Publication number: CN201888247U
Application number: CN2010206541200U
Authority: CN
Inventors: 霍晓辉; 彭建新; 郝建辉; 胡秀峰; 周绍箕; 李占臣; 王宝地; 胡丽丽; 韦丽红; 路达; 马梅
Original assignee: BEIJING ZHONGJIHUIMIN S&T DEVELOPMENT Co Ltd; CHINA TOBACCO HEBEI INDUSTRIAL Corp; Hebei University
Current assignee: BEIJING ZHONGJIHUIMIN S&T DEVELOPMENT Co Ltd; CHINA TOBACCO HEBEI INDUSTRIAL Corp; Hebei University
Priority date: 2010-12-13
Filing date: 2010-12-13
Publication date: 2011-07-06
Anticipated expiration: 2020-12-13

Abstract

The utility model discloses a composite cigarette filter stick capable of simultaneously reducing harmful ingredients in cigarette, which comprises a filter element and a wrapping layer which is wrapped outside the filter element, wherein the filter element adopts cellulose acetate tows or mekralon tows, and the surface of at least 1/3-1/2 of the length of each cellulose acetate tow or each mekralon tow is coated with a mesh-like polypropylene particle layer. Micropores and apertures on the surface of a cauliflower-like functional polymer material coated on the surface of the composite cigarette filter stick, i.e., the mesh-like polypropylene particle layer form meshes with a large specific surface area, and Na<+>or H<+> is bestrewed on the surface, so that the mesh-like polypropylene particle layer has a physical and chemical adsorption performance, and nicotine-derived nitrosamine ketone (NNK), benzo [a] pyrene, phenol, croton aldehyde, hydrocyanic acid (HCN) and other harmful substances in cured tobacco cigarette smoke can be simultaneously reduced once only at different degrees. Compared with the cigarette sensory evaluation of an ordinary cigarette filter tip, no odor is generated, aftertaste is improved, the aroma of cigarette is full and mellow. Through the test, the purpose that NNK, benzo [a] pyrene, phenol, croton aldehyde and HCN in cigarette smoke can be simultaneously reduced once only at different degrees can be reached.

Description

Can reduce the composite cigarette filter stick of cigarette harmful components simultaneously

Technical field

The utility model relates to cigarette filter rod.

Background technology

Along with the consumer to the concern of self health and the continuous enhancing of social enviroment protection consciousness, develop the trend that the cigarette product of low tar harm composition has more become World tobacco.Tar and harmful components carbon monoxide in the cigarette smoke, nicotine, nitric oxide, condensed-nuclei aromatics, nicotine, nitroso, free radical, volatility nitrile, aldehydes matter are harmful, NNK in the flue gas (4-first nitrosamino group-(3-pyridine radicals)-1-butanone), benzo [a] pyrene, phenol, crotonaldehyde, HCN (hydrogen cyanide) are the main harmful components of cigarette harmfulness evaluation, and it is the major issue that tobacco business will solve that disposable while of harmful components in the flue gas is reduced by a relatively large margin.

Utilizing sorbing material and additive technology thereof in the cigarette filter is that people are devoted to study one of common technology method of taking for head it off in recent years.Remove the harmful substance of cigarette smoke as domestic and international employing NACF, acetate fiber or polypropylene fibre filter tip, owing to only limit to physisorption, only tar and solid matter are had necessarily and hold back, very little to gas phase class harmful substance adsorption effect.Chinese patent CN200510031182.X relates to composite cigarette filter tip capable of a kind of effective reduction cigarette smoke gaseous phase free radical and preparation method thereof, this cigarette filter contains forulic acid, inferior sodium phosphate and active carbon, can effectively reduce gaseous phase free radical content 20.6%～29.4% in the cigarette smoke, but not relate to the absorption of other harmful components; The cigarette composite filter of Chinese patent CN89104534.1, comprise the syllogic of paper filter stick, cellulose acetate filter rod and palygorskite family mineral grain or the two-part composite filter of two-part composite filter, palygorskite family mineral matter paper filter stick and cellulose acetate filter rod, tar content in the flue gas is reduced more than 7～12 milligrams/, excitant reduces a grade, but harmful substances such as carbon monoxide, nicotine and condensed-nuclei aromatics in the flue gas be there is no achievement; CN01255200.3 discloses a kind of natural fibre cigarette tip, and this filter stick comprises the filter stick base material and at the outer one deck papery layer that wraps up of this filter stick base material, tar adsorption, nicotine shown good ability; JP08291013 proposition extraction Tea Polyphenols from green tea is written into active carbon and is used for cigarette, chewing gum etc., has the effect that is absorbed with harmful substances; Chinese patent CN02109979.0 develops a kind of making of process of tea cigarette filter tip, the filter stick material is by 5～100% tea, 0～95% wood pulp and cotton, swelling agent, industrial starch, make the cigarette filter rod core paper by paper making equipment, make filter stick through cigarette filter stick forming machine again, harmful substance in the cigarette is had the containment effect; Chinese patent CN01139277.0 has disclosed a kind of cigarette filter that reduces the cigarette smoke harmful components, it is made up of conventional filter stick A and reinforced filter stick B, reinforced filter stick B is made up of cellulose acetate filter rod and additive, wherein, additive comprises active carbon, Tea Polyphenols and pyenogenol, can make gaseous phase free radical reduce by 14.8～23.4%, the content of condensed-nuclei aromatics classes of compounds reduces 10..9～74.2%, and the main component NNN in the nitrogen nitrosamine, NNK, NAT and NAB can descend 0.4～33%.But CN03218650.9 discloses the cigarette filter that a kind of filtering harmful components improve cigarette matter and availability, polypropylene fibre tow filter stick, activated carbon fiber and chemical fibre blended material filter stick that it wraps up in chemical fibre filter stick, adhesion magnesium trisilicate particulate by the yew paper bag constitute for three sections, have the harmful components in certain filtering cigarette combustion gas and can improve the quality of cigarette effect, but production technology is comparatively complicated, the expense height, most of consumer and enterprise are difficult to be accepted.

The utility model content

The utility model provides a kind of composite cigarette filter stick that reduces harmful components such as NNK in the flue gas, benzo [a] pyrene, phenol, crotonaldehyde, HCN.

For realizing the utility model purpose, this composite cigarette filter stick that can reduce the cigarette harmful components simultaneously comprises filter core and is wrapped in the outer integument of filter core, described filter core adopts acetate silk or polypropylene fibre tow, it is characterized in that the acetate silk of at least 1/3～1/2 length or the polypropylene microparticle layer that polypropylene fibre tow surface is covered with the sieve aperture shape.

Coated polypropylene microparticle layer with sieve aperture shape is a functional high molecule material, and its concave-convex surface is the cauliflower shape, has micropore and slit and constitutes the sieve aperture shape, and its surface is covered with Na ⁺Or H ⁺It is coated in acetate silk or polypropylene fibre tow surface as additive and makes the composite cigarette filter stick and then be prepared into main flume before cigarette filter can make in smoker's mouth swimmingly by cauliflower shape polymer-function material, multiple harmful materials such as the NNK of flue gas, benzo [a] pyrene, phenol, crotonaldehyde, HCN are sticked on the cauliflower shape polymer-function material through chemistry and physical absorption, the harmful components in the flue gas that arrives in smoker's mouth are reduced by a relatively large margin.

The technological progress that the utility model is obtained: the composite cigarette filter stick that the utility model is made is the cigarette of production binary composite filter tip on the cigarette forming machine directly, and the cauliflower shape polymer-function material of surface-coated has sieve aperture and the Na thereof of the polypropylene microparticle of sieve aperture shape by the bigger serface of its surface, micropore and slit formation ⁺Or H ⁺Make it the physical absorption that had and the performance of chemisorbed, can disposablely to some extent reduce harmful materials such as NNK in the flue-cured tobacco cigarette smoke, benzo [a] pyrene, phenol, crotonaldehyde, HCN simultaneously.The cigarette sensory evaluating smoking contrast that cigarette that the utility model cigarette filter is constant in suction prophyll assembly side and regular-size cigarette filter tip connect does not have the peculiar smell of generation, and pleasant impression improves, and the fragrance of cigarette is full pure and mild.

The utility model detects through Zhengzhou tobacco research institute, at nearly pipe tobacco end, pipe tobacco assembly side is with new Shijiazhuang brand cigarette, reached the disposable to some extent target that reduces NNK in the cigarette smoke, benzo [a] pyrene, phenol, crotonaldehyde, HCN simultaneously, can reduce NNK17.11%, benzo [a] pyrene 11.43%, crotonaldehyde 25.79%, phenol 61.80%, hydrogen cyanide 29.97%.Testing result sees following table 1 for details.

Table 1 Cigarette sample and control sample testing result are relatively

The sample title	Sample 1#	Sample	2#	Control sample (vinegar fibre)
					Average weight mg/cig	941.3	924.4	901.9
Average resistance to suction Pa	1250	1230	1130
				Ventilation rate %	0.6	0.5	0.4
Circumference mm	24.54	24.44	24.47
				Cigarette length	84.02	84.00	83.92
Cigarette filter material type	Compound	Compound	The vinegar fibre
				Filter length mm	25	25	25
Cigarette tipping paper length m m	30	30	30
				The puff number mouth/	7.2	7.5	7.8

Flue gas TPM mg/cig	14.2	15.8	18.2
				Nicotine content in smoke mg/cig	1.0	1.0	1.0
Flue gas moisture mg/cig	1.4	2.1	3.0
				Tar content mg/cig	11.8	12.7	14.2
NNK ng/cig	7.2	6.2	7.6
				Benzo [a] pyrene ng/cig	8.7	8.8	10.5
Crotonaldehyde μ g/cig	12.3	12.1	15.9
				Phenol μ g/cig	11.5	11.4	32.2
Hydrogen cyanide μ g/cig	149.1	147.3	198.2

Description of drawings

Fig. 1 is the utility model structural representation.

The specific embodiment

Below engaging accompanying drawing is described further the utility model.

Embodiment 1: as shown in Figure 1, this composite cigarette filter stick that can reduce the cigarette harmful components simultaneously comprises filter core and is wrapped in the outer integument 1,2 of filter core, described filter core adopts acetate silk, the acetate silk surface-coated of at least 1/3～1/2 length has the polypropylene microparticle layer of sieve aperture shape, present embodiment is the polypropylene microparticle layer that the acetate silk surface-coated of 1/2 length has the sieve aperture shape, promptly 1/2 length is conventional filter stick 4, and all the other 1/2 length are reinforced filter stick 3.The manufacturing process of this composite cigarette filter stick is: select cauliflower shape polymer-function material polypropylene microparticle for use, particle diameter 80 orders, concave-convex surface shape such as cauliflower, have micropore and slit and constitute the sieve aperture shape, average pore size is 0.995 μ m, and specific pore volume is 0.62cc/g, and pore specific surface area is 26.1m ²/ g, water content 35%, operating capacity 4.9mmol/g, the surface is covered with Na ⁺According to its account for reinforced filter stick gross weight 35%, regulate the operating rate of filter-stick forming device and reinforced adjuster, making cauliflower shape polymer-function material is that the polypropylene microparticle of sieve aperture shape is applied on the acetate silk (or polypropylene fibre tow) of shredding equably, subsequently, the acetate silk (or polypropylene fibre tow) that will contain cauliflower shape polymer-function material rolls shaping, filter stick 3 must feed in raw material, on the composite filter make-up machine that conventional filter stick 4 and reinforced filter stick 3 is compound by 1: 1～1: 2 length ratio at last, can make length overall 100～150mm, the utility model of diameter 22～25mm.

Embodiment 2: the present embodiment difference from Example 1 is to adopt the polypropylene fibre tow to substitute acetate silk, and 1/3 length is conventional filter stick, and 2/3 length is reinforced filter stick; Or 1/3 length be reinforced filter stick, 2/3 length is conventional filter stick.

Claims

1. composite cigarette filter stick that can reduce the cigarette harmful components simultaneously, it comprises filter core and is wrapped in the outer integument of filter core, described filter core adopts acetate silk or polypropylene fibre tow, it is characterized in that the acetate silk of at least 1/3～1/2 length or the polypropylene layer that polypropylene fibre tow surface is covered with the sieve aperture shape.