CN1849949A - Cigarette filter-tip of reducing harm component in smoke and retaining fragrance component - Google Patents
Cigarette filter-tip of reducing harm component in smoke and retaining fragrance component Download PDFInfo
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- CN1849949A CN1849949A CN 200610087423 CN200610087423A CN1849949A CN 1849949 A CN1849949 A CN 1849949A CN 200610087423 CN200610087423 CN 200610087423 CN 200610087423 A CN200610087423 A CN 200610087423A CN 1849949 A CN1849949 A CN 1849949A
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Abstract
The present invention discloses a cigarette filter tip capable of reducing cigarette smoke harmful components and retaining cigarette smoke fragrance components. It is characterized by that said filter tip can be made up by using selective adsorption separation fibrous material, and can be a composite filter tip made up by using the above-mentioned fibrous material and other filter material acetate fibre or polypropylene fibre and adding granular active carbon and various flavouring additives.
Description
Technical field the present invention relates to a kind of cigarette filter.Particularly relate to a kind of cigarette filter that reduces the cigarette smoke harmful components and keep fragrant jealous composition.
Behind the background technology China accession to the WTO, the requirement of formulating in view of WHO, each member government signed " Framework Convention on Tobacco Control " specifically limits the tobacco product harmful components, the concrete restriction of limiting the quantity of has been made to tar, nicotine and the CO content of commercial cigarettes in succession by some main developed countries in the world, and the enhancing of consumer's self health and environmental consciousness, developing more, low tar hangs down the trend that the fragrant jealous cigarette product that endangers composition and obviously keep cigarette meets World tobacco.Tar and harmful components carbon monoxide in the flue gas, nicotine, nitric oxide, condensed-nuclei aromatics, nicotine, nitroso, free radical, volatility nitrile, aldehydes matter are harmful, the fragrant jealous composition pyridines of flue gas, alcohols, cyclopentene ketone material can improve sensory evaluating smoking's quality of cigarette, harmful components in the flue gas are reduced by a relatively large margin and fragrant jealous composition can less degree loss be the big problem that tobacco business does not solve as yet fully.
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 do not relate to other harmful components, slightly single.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 in flue gas, nicotine and condensed-nuclei aromatics be there is no achievement.A kind of natural fibre cigarette tip (patent number is CN01255200.3) is disclosed in addition, this filter stick comprise the filter stick base material and at one deck papery layer of the outer parcel of this filter stick base material, tar adsorption, nicotine are shown good ability, and Japan Patent JP08291013 proposes to extract Tea Polyphenols and is written into active carbon and is used for cigarette, chewing gum etc. from green tea, just has the harmful substances of being absorbed with effect.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, the actual bodily harm that the cigarette harmful substance causes to the mankind has the containment effect, and this filter stick of evident characteristic can be degraded.Chinese patent CN01139277.0 has disclosed a kind of cigarette filter that reduces the cigarette smoke harmful components, form by 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 by 10.9%～74.2%; Main component NNN in the nitrogen nitrosamine, NNK, NAT and NAB descend 0.4%～33.0%, do not keep the fragrant jealous composition of flue gas simultaneously but relate to.But Chinese patent is numbered the cigarette filter that a kind of filtering harmful components that CN03218650.9 studies improve cigarette matter and availability, by yew paper be wrapped in the chemical fibre filter stick, the polypropylene fibre tow filter stick, activated carbon fiber and the chemical fibre blended material filter stick that are adhering to the magnesium trisilicate particulate 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, production cost is increased greatly, and most of consumer and enterprise are difficult to be accepted.
A kind of technology is simple with regard to providing in summary of the invention the present invention, stable performance, cost are low, pollution-free, harmful components in the flue gas are reduced by a relatively large margin and fragrant jealous composition can less degree loss cigarette filter.
Technical method of the present invention is realized by following scheme: according to ion exchange principle application choice adsorbing separation fibrous material in cigarette filter, can make flue gas in smoker's mouth swimmingly all by selective absorption defibre shape material, the tar of flue gas, CO, nicotine, NO, condensed-nuclei aromatics, nicotine, nitroso, free radical, the volatility nitrile, multiple harmful material such as phenols sticks on the selective absorption defibre shape material through chemistry and physical absorption, hold back and the fragrant jealous composition in the flue gas seldom adsorbed, cause harmful components in the flue gas that arrives in smoker's mouth to be reduced by a relatively large margin and fragrant jealous composition can less degree loss.This cigarette filter both can be that filtering material is selective absorption defibre shape material of the present invention entirely in the whole filter tip, also can be wherein one section be selective absorption defibre shape material of the present invention, remainder be other filtering material acetate fibers or polypropylene fibre add granular activated carbon or/and perfuming class material ionol or/and angelica lactone, binary composite filter tip in this way, composite construction can have (10+10) mm, (15+15) mm, (15+10) mm, (6+14) mm, (8+12) mm different size; Ternary composite filter in this way, composite construction can be (10+5+10) mm, and cavity part can be added particulate material in the middle of it.The used selective absorption defibre shape material strand specification of the present invention meets the standard-required that tobacco business is produced cigarette filter rod, the tow steady quality, and shredding is functional, is applicable to that high, medium and low fast filter-stick forming device uses.During preparation, filtering material is that the filter tip of selective absorption defibre shape material of the present invention promptly can be made into the moulding of common filter-stick forming device cigarette entirely in the whole filter tip; If wherein one section is that selective absorption defibre shape material of the present invention (being made as filter stick A) and remainder are that other filtering materials constitute the composite filter tip of (being made as filter stick B), and filter stick A and filter stick B is compound, promptly can be made into.
The used selective absorption defibre shape material first of the present invention is made by introducing weak acid, weak base, highly basic, strong acid or soda acid both sexes functional group on polypropylene, polyacrylonitrile, polyvinyl alcohol, polyvinyl chloride one propylene copolymer, poly-phenolic aldehyde, polyamide, polyolefin, carbon fiber, activated carbon fiber or the partial carbonization fiberoptic fiber; It two is the porous fiber shape sorbing materials that contain ester group class, acid amides, sulfoxide, nitrile, pyridine radicals or amino group, is that matrix is made through polymerisation or cross-linking reaction with polypropylene, polyacrylonitrile, polyvinyl alcohol, polyvinyl chloride one propylene copolymer, poly-phenolic aldehyde, polyamide, polyolefine fiber; It three is to be used as presoma with viscose glue base or the polyvinyl chloride-based PVA-based polyimide-based polystyrene-based or natural matrix of phenolic aldehyde base or asphaltic base or pan based fibers, pyrolysis and activated and activated carbon fiber that make.The linear polymer of these fibrous diameter 0.1～50 μ m has the multiple superior function of physical absorption and chemisorbed, has very big specific area, have a large amount of pore structures or have rich functional groups, its special fibrous physics form makes itself and adsorbate have bigger contact area and less resistance, particularly its skeleton structure and introducing cation exchange groups can control to adjust and select, thereby demonstrate high adsorption capacity reducing the cigarette smoke harmful components and keep fragrant jealous composition, fast adsorption rate and high optionally characteristics are of value to the healthy of smoker.
Therefore, during the cigarette filter of the present invention cigarette constant in suction prophyll assembly side, the tar content that can reduce the flue-cured tobacco cigarette is more than 50%, CO, nicotine, NO, condensed-nuclei aromatics, nicotine, nitroso, free radical, volatility nitrile, the harmful material of phenols can reduce more than 40%, TPM in the flue gas also descends greatly, meanwhile, keep the fragrant jealous material of original flue gas more than 60%.
In addition, the cigarette sensory evaluating smoking contrast that cigarette that cigarette filter of the present invention is constant in suction prophyll assembly side and regular-size cigarette filter tip connect, there are not the peculiar smell of generation or other flames, its assorted gas, stimulation all significantly reduce, pleasant impression improves, the fragrance of cigarette does not only reduce, and full more on the contrary pure and mild, global index all improves.
Except above-mentioned benefit, abundant, cheap, the non-secondary pollution of selective absorption defibre shape material feedstock in the cigarette filter of the present invention.
Here used, and be one of purpose of the application, the used selective absorption defibre shape material of cigarette filter of the present invention is defined to ion-exchange fibre, chelating fibre, activated carbon fiber, pole filter, non-polar fibers, because limit like this, the architectural feature division that various filtering materials possess is as follows:
(1) ion-exchange fibre: the structure of ion-exchange fibre is made up of matrix fiber and cation exchange groups two parts, matrix fiber is selected from polypropylene, polyacrylonitrile, polyvinyl alcohol, polyvinyl chloride one propylene copolymer, poly-phenolic aldehyde, polyamide, polyolefin, carbon fiber, activated carbon fiber or partial carbonization fiber, and cation exchange groups has sulfonic group, phosphate, carboxylic acid group, quaternary ammonium salt base, amino, pyridine radicals, imidazole radicals, carboxyl-pyridine radicals or carboxyl-imidazole radicals.
(2) pole filter: being the porous fiber shape sorbing material that contains ester group class, acid amides, sulfoxide, nitrile, pyridine radicals, amino groups, is that matrix is made through polymerisation or cross-linking reaction with polypropylene, polyacrylonitrile, polyvinyl alcohol, polyvinyl chloride one propylene copolymer, poly-phenolic aldehyde, polyamide, polyolefine fiber.
(3) non-polar fibers: being the porous fiber shape sorbing material that does not have positive and negative charge on molecular level, is that matrix is made through polymerisation or cross-linking reaction with polypropylene, polyacrylonitrile, polyvinyl alcohol, polyvinyl chloride one propylene copolymer, poly-phenolic aldehyde, polyamide, polyolefine fiber.
(4) activated carbon fiber (Activated Carbon Fiber, ACF): be to be used as presoma with viscose glue base or the polyvinyl chloride-based PVA-based polyimide-based polystyrene-based or natural matrix of phenolic aldehyde base or asphaltic base or pan based fibers, pyrolysis is also activated and make.
(5) chelate fibre: be the fibrous adsorption functional material that a class can form polygamy position complex compound with metal ion, exist N, O, atoms such as S, P in its functional group with key lone electron, these are former in forming coordinate bond with a pair of lone electron and metal, constitute and the similar rock-steady structure of little molecule chelate fibre thing, choosing is lost basic fiber, two amidos or hydramine base chelated fiber, isothiourea group chelate fibre, ghiourea group chelate fibre, sulfydryl chelate fibre or sulfuryl chlorio chelate fibre together with amine.
The specific embodiment
Embodiment one
Concrete implementation step is:
(1) choose polypropylene-base efficient selective adsorbing fiber, its chemical structural formula is
R-g-R
1-X
R represents polypropylene fibre polymer, R in the formula
1The expression carboxylic group, the hydrogen ion after X represents to make the transition.
Its preparation method referenced patent application numbers 200610066433.2.This fiber key property sees the following form 1:
The key property of table 1 polypropylene-base selective absorption defibre material
| Relative fracture strength (cN/dtex) | 2.9 |
| Elongation at break (%) | 171 |
| Water content (%) | 30～68 |
| Rapid weightless temperature (℃) | 127 |
| Operating capacity (mmol/g) | 2.5～5.3 |
| Specific area (m 2/g) | 9.4 |
(2) preliminary treatment: with the above-mentioned polypropylene-base efficient selective adsorbing fiber of choosing, clean to constant weight with pure water, stand-by;
(3) at room temperature, polypropylene-base efficient selective adsorbing fiber that above-mentioned preliminary treatment is the good apparatus by preparation producd fibers pipe tobacco carries out fibrous refinement, fiber complications, drying and is processed into polypropylene-base efficient selective adsorbing fiber pipe tobacco.This polypropylene-base efficient selective adsorbing fiber pipe tobacco specification was 3.9～4.6 dawn, meet tobacco business and produce the standard-required of cigarette filter rod, the tow steady quality, shredding is functional, runs well continuously in the time of guaranteeing high-speed molding, be applicable to that high, medium and low fast make-up machine uses, its production cigarette filter rod physical index is even, and cutting performance is good, the antistatic property excellence, resistance to suction and circumference are stable especially, and the tow tieing is few, produce excellent rate greater than 1,300,000/ton;
(4) the preparation production of polypropylene-base efficient selective adsorbing fiber cigarette filter rod (mouth): under (22 ± 1) ℃, relative humidity (60 ± 2) %, the polypropylene-base adsorbing fiber pipe tobacco of above-mentioned steps preparation is passed through at a high speed or middling speed or low speed cigarette filter stick forming machine cigarette moulding production polypropylene-base efficient selective adsorbing fiber cigarette filter rod, this cigarette filter rod length 90～150mm, circumference 22～25mm;
(5) get polypropylene-base efficient selective adsorbing fiber cigarette filter rod that above-mentioned steps prepares and dock with cigarette and produce Cigarette, it is polypropylene-base adsorbing fiber pipe tobacco of the present invention entirely that this cigarette props up the whole filter tip filtering material of product.This cigarette props up product and uses Bei Dai River board, and prophyll assembly side is constant, and the present embodiment cigarette props up detection method and props up the long 20mm of filter tip, circumference 22～25mm for selecting cigarette; With Artikel-Nr9020-0039 climatic chamber balance 48 hours under (22 ± 1) ℃, relative humidity (60 ± 2) % condition, utilize the Sodimat-573 combined test stand to select suitable cigarette then and prop up before the experiment according to weight and resistance to suction.Use the Borgwaltdt-KC smoking machine and detect, every mouthful of suction 2 seconds, volume 35ml, every mouthful of interval 58 seconds, 22 ± 2 ℃ of temperature, relative humidity 60 ± 5% detecting cigarette Zhi Jinhang.Every cambridge filter is collected 2 cigarette, and 2 filter discs are put in the people 200ml conical flask, accurately adds the 40ml cyclohexane and extracts, and accurately shifts out 10ml extract adding AgilentTechnologies 6890Nq gas chromatograph and carries out chromatography.Simultaneously, can adopt 5 duct smoking machines of KC company to be transformed to form the gaseous phase free radical capturing device for the assay method of gaseous phase free radical in the cigarette smoke and measure, the assay method of solid phase free radical adopts condensation at low temperature or the direct collecting method of cambridge filter in the cigarette smoke, the assay method of Polycyclic Aromatic Hydrocarbons in Cigarette Smoke (benzo [a] pyrene etc.) can adopt the SCAN pattern of reversed-phased high performace liquid chromatographic and GC/MS method to measure, and the assay method of nitrogenous class material (N-nitrosamine etc.) can adopt thermal energy analyzer to measure in the cigarette smoke.Main result sees the following form 2:
Table 2 tar, nicotine and determination of carbon monoxide result
| Test number | Unit fiber CO absorption amount (mg/g) | Unit fiber absorption nicotine amount (mg/g) | Unit fiber tar adsorption amount (mg/g) | The sensory evaluating smoking |
| The sample cigarette props up | 63.89 | 3.06 | 37.22 | Global index all improves, do not change the style of original brand cigarette, its assorted gas and excitant significantly reduce, fragrant jealous coordinate more comfortable. |
| The contrast cigarette props up | 16 | 1.24 | 15.15 | Global index all improves, do not change the style of original brand cigarette, its assorted gas and excitant significantly reduce, fragrant jealous coordinate more comfortable. |
As calculated, this polypropylene-base efficient selective adsorbing fiber cigarette filter can reduce the tar content of existing brand flue-cured tobacco cigarette more than 50%, carbon monoxide, nicotine, nitric oxide, condensed-nuclei aromatics, nicotine, nitroso, free radical, volatility nitrile, the harmful material of phenols can reduce more than 40%, TPM in the flue gas also descends greatly, meanwhile, keep the fragrant jealous material of original flue gas more than 60%.Cigarette and the same brand cigarette of regular-size cigarette filter-tip cigarette sensory evaluating smoking contrast with polypropylene-base efficient selective adsorbing fiber cigarette filter cigarette, there are not the peculiar smell of generation or other flames, its assorted gas, stimulation all significantly reduce, pleasant impression improves, the fragrance of cigarette does not only reduce, full more on the contrary pure and mild, global index all improves;
Embodiment two
Get the polypropylene-base efficient selective adsorbing fiber cigarette filter rod that above-mentioned steps prepares and directly produce binary compound filter candle by the composite filter make-up machine.It is that polypropylene-base efficient selective adsorbing fiber of the present invention constitutes (filter stick A) that binary compound filter candle directly contacts a section of tobacco leaf; remainder is filter stick B; add granular activated carbon and perfuming class material ionol constitutes by acetate fiber; the compound binary composite filter tip of making of filter stick A and filter stick B, composite construction are (10+10) mm specification.The above-mentioned binary composite filter tip batch cigarette for preparing is produced purple diamond plate cigarette prop up, purple diamond plate prophyll assembly side is constant.The present embodiment cigarette props up detection method and props up the long 20mm of filter tip, circumference 22～25mm for selecting cigarette; With Artikel-Nr9020-0039 climatic chamber balance 48 hours under (22 ± 1) ℃, relative humidity (60 ± 2) % condition, utilize the Sodimat-573 combined test stand to select suitable cigarette then and prop up before the experiment according to weight and resistance to suction.Use the Borgwaltdt-KC smoking machine and detect, every mouthful of suction 2 seconds, volume 35ml, every mouthful of interval 58 seconds, 22 ± 2 ℃ of temperature, relative humidity 60 ± 5% detecting cigarette Zhi Jinhang.Every cambridge filter is collected 2 cigarette, and 2 filter discs are put in the people 200ml conical flask, accurately adds the 40ml cyclohexane and extracts, and accurately shifts out 10ml extract adding AgilentTechnologies 6890Nq gas chromatograph and carries out chromatography.Simultaneously, can adopt 5 duct smoking machines of KC company to be transformed to form the gaseous phase free radical capturing device for the assay method of gaseous phase free radical in the cigarette smoke and measure, the assay method of solid phase free radical adopts condensation at low temperature or the direct collecting method of cambridge filter in the cigarette smoke, the assay method of Polycyclic Aromatic Hydrocarbons in Cigarette Smoke (benzo [a] pyrene etc.) can adopt the SCAN pattern of reversed-phased high performace liquid chromatographic and GC/MS method to measure, and the assay method of nitrogenous class material (N-nitrosamine etc.) can adopt thermal energy analyzer to measure in the cigarette smoke.Main result sees the following form 3:
The low and middle-grade cigarette product leading indicator contrasts of the fire-cured tobacco type of the same prescription of table 3 pipe tobacco of the same race
| The contrast index | Cigarette product of the present invention | Polypropylene fibre filter stick cigarette product | The cellulose acetate filter rod cigarette product |
| Releasing content of coke tar | 5～10mg | 14mg | 14mg |
| The nicotine burst size | 0.6～0.9mg | 1.1mg | 1.3mg |
| The CO burst size | 6～9mg | 15mg | 15mg |
| The sensory evaluating smoking | Global index all improves, do not change the style of original brand cigarette, its assorted gas and excitant significantly reduce, fragrant jealous coordinate more comfortable. | Fragrance is coarse slightly, and little have assorted gas and an excitant, and pleasant impression is more comfortable | Fragrance is elegant, and assorted gas and excitant are seemingly arranged, and pleasant impression is purer comfortable. |
| Filter stick fibrous material cost (120mm) | 0.0084 unit | 0.0014 unit | 0.028 unit |
Filter stick fibrous material cost is 4.2 ten thousand yuan/ton, 2.5 ten thousand yuan of/ton calculation of price of polypropylene-base efficient selective adsorbing fiber with 1.8 ten thousand yuan/ton on existing market polypropylene fibre for cigarettes tow, acetate silk.
Reduction cigarette smoke harmful components that the present invention relates to and the cigarette filter that keeps fragrant jealous composition, utilize selective absorption defibre shape material selectivity to reduce tarry matters in smoke, nicotine, CO, NO, condensed-nuclei aromatics, nicotine, the nitroso thing, free radical, the volatility nitrile, the harmful material of phenols also keeps the fragrant jealous composition pyridines of flue gas, alcohols material, harmful components in the flue gas are reduced by a relatively large margin and the fragrant jealous composition of cigarette smoke can less degree loss cigarette filter and preparation method thereof technical scheme, comprise that the embodiment of recommendation has obtained detailed description here.This example helps to understand the present invention, but can not be interpreted as restriction the present invention.Utilize the variation in the available any claim scope of the inventive method and/or improve filter tip and/or the filter stick of making and/or use all size, still within claim scope given to this invention.
Claims (9)
1, a kind of cigarette filter that reduces the cigarette smoke harmful components and keep fragrant jealous composition, application choice adsorbing separation fibrous material in the cigarette filter, this cigarette filter both can be that filtering material is selective absorption defibre shape material of the present invention entirely in the whole filter tip, also can be wherein one section be selective absorption defibre shape material of the present invention, remainder is the composite filter tip that other filtering material acetate fibers or polypropylene fibre add granular activated carbon and various additive series of products, binary composite filter tip, composite construction can have (10+10) mm, (15+15) mm, (15+10) mm, (6+14) mm, (8+12) mm different size; Ternary composite filter tip composite construction can be (10+5+10) mm, and cavity part can be added particulate material in the middle of it.This cigarette filter is characterised in that the flue gas that can make in smoker's mouth is swimmingly all by selective absorption defibre shape material, the tar of flue gas, CO, nicotine, NO, condensed-nuclei aromatics, nicotine, nitroso, free radical, volatility nitrile, the harmful material of phenols are sticked on the selective absorption defibre shape material through chemistry and physical absorption, hold back and the fragrant jealous composition in the flue gas seldom adsorbed, cause harmful components in the flue gas that arrives in smoker's mouth to be reduced by a relatively large margin and fragrant jealous composition can less degree loss.
2, reduction cigarette smoke harmful components according to claim 1 and keep the cigarette filter of fragrant jealous composition is characterized in that institute's application choice adsorbing separation fibrous material is defined to ion-exchange fibre, chelating fibre, activated carbon fiber, pole filter, non-polar fibers.
3, a kind of method that reduces the cigarette smoke harmful components and keep the cigarette filter of fragrant jealous composition for preparing, it is characterized in that: the used selective absorption defibre shape material strand specification of the present invention meets the standard-required that tobacco business is produced cigarette filter rod, the tow steady quality, shredding is functional, is applicable to that high, medium and low fast filter-stick forming device uses.During preparation, filtering material is that the cigarette filter of selective absorption defibre shape material of the present invention promptly can be made into common filter-stick forming device roll-forming entirely in the whole filter tip; Wherein one section is that selective absorption defibre shape material of the present invention (being made as filter stick A) and remainder are that other filtering materials constitute the composite filter tip of (being made as filter stick B), and filter stick A and filter stick B is compound, promptly can be made into.Binary composite filter tip composite construction can have (10+10) mm, (15+15) mm, (15+10) mm, (6+14) mm, (8+12) mm different size; Ternary composite filter tip composite construction can be (10+5+10) mm, and cavity part can be added particulate material in the middle of it.
4, when being ion-exchange fibre according to the wherein said application choice adsorbing separation of claim 1 cigarette filter fibrous material, it is characterized in that the ion-exchange fibre structure is made up of matrix fiber and cation exchange groups two parts, matrix fiber is selected from polypropylene (PP), polyacrylonitrile (PAN), polyvinyl alcohol (PVA), polyvinyl chloride one propylene copolymer, poly-phenolic aldehyde, polyamide, polyolefin, carbon fiber, activated carbon fiber or partial carbonization fiber, cation exchange groups is selected from sulfonic group, phosphate, the carboxylic acid group, quaternary ammonium salt base, amino, pyridine radicals, imidazole radicals, carboxyl-pyridine radicals or carboxyl-imidazole radicals.
5, when being chelating fibre according to the wherein said application choice adsorbing separation of claim 1 cigarette filter fibrous material, it is characterized in that chelate fibre is the fibrous adsorption functional material that a class can form polygamy position complex compound with metal ion, exist N in its functional group with key lone electron, O, S, atoms such as P, these are former in forming coordinate bond with a pair of lone electron and metal, constitute and the similar rock-steady structure of little molecule chelate fibre thing, optionally lose basic fiber together with amine, two amidos or hydramine base chelated fiber, the isothiourea group chelate fibre, the ghiourea group chelate fibre, sulfydryl chelate fibre or sulfuryl chlorio chelate fibre.
When 6, being pole filter according to the wherein said application choice adsorbing separation of claim 1 cigarette filter fibrous material, it is characterized in that containing the porous fiber shape sorbing material of ester group class, acid amides, sulfoxide, nitrile, pyridine radicals, amino groups, is that matrix is made through polymerisation or cross-linking reaction with polypropylene, polyacrylonitrile, polyvinyl alcohol, polyvinyl chloride one propylene copolymer, poly-phenolic aldehyde, polyamide, polyolefine fiber.
When 7, being non-polar fibers according to the wherein said application choice adsorbing separation of claim 1 cigarette filter fibrous material, it is characterized in that non-polar fibers is not have the positive and negative charge porous fiber shape sorbing material of concentrated polar group relatively on molecular level, is that matrix is made through polymerisation or cross-linking reaction with polypropylene, polyacrylonitrile, polyvinyl alcohol, polyvinyl chloride one propylene copolymer, poly-phenolic aldehyde, polyamide, polyolefine fiber.
When 8, being activated carbon fiber according to the wherein said application choice adsorbing separation of claim 1 cigarette filter fibrous material, it is characterized in that activated carbon fiber (Activated Carbon Fiber, ACF) be to be used as presoma with viscose glue base or the polyvinyl chloride-based PVA-based polyimide-based polystyrene-based or natural matrix of phenolic aldehyde base or asphaltic base or polyacrylonitrile-radical or natural plant fibre base thing, pyrolysis is also activated and make activated carbon fiber, and the activated carbon fiber of special constructions such as hollow ACF, ACF paper.
9, reduction cigarette smoke harmful components that the present invention relates to and the cigarette filter that keeps fragrant jealous composition, utilize selective absorption defibre shape material selectivity to reduce tarry matters in smoke, nicotine, CO, NO, condensed-nuclei aromatics, nicotine, the nitroso thing, free radical, the volatility nitrile, the harmful material of phenols also keeps the fragrant jealous composition pyridines of flue gas, alcohols material, harmful components in the flue gas are reduced by a relatively large margin and the fragrant jealous composition of cigarette smoke can less degree loss cigarette filter and preparation method thereof technical scheme, comprise that the embodiment of recommendation has obtained detailed description here.This example helps to understand the present invention, but can not be interpreted as restriction the present invention.Should be proficient in the people of this area for those, the above-mentioned method according to the present invention, can make many variations and/or improvement to the present invention, every for harmful components in selectivity reducing cigarette tar content and the cigarette smoke and keep the fragrant jealous composition of flue gas, utilize the variation in the available any claim scope of the inventive method and/or improve filter tip and/or the filter stick of making and/or use all size, still within claim scope given to this invention.
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| CN111134359A (en) * | 2019-12-25 | 2020-05-12 | 云南中烟工业有限责任公司 | Application of natural nitrogen-sulfur heterocyclic compound in reducing heavy metals in cigarette smoke |
| CN111134359B (en) * | 2019-12-25 | 2022-09-13 | 云南中烟工业有限责任公司 | Application of natural nitrogen-sulfur heterocyclic compound in reducing heavy metals in cigarette smoke |
| CN112266770A (en) * | 2020-11-25 | 2021-01-26 | 甘肃烟草工业有限责任公司 | Beeswax/polystyrene composite phase change energy storage material and preparation method and application thereof |
| CN112266770B (en) * | 2020-11-25 | 2022-02-01 | 甘肃烟草工业有限责任公司 | Beeswax/polystyrene composite phase change energy storage material and preparation method and application thereof |
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