CN1418065A - Filter tip for cigarette - Google Patents
Filter tip for cigarette Download PDFInfo
- Publication number
- CN1418065A CN1418065A CN 01806799 CN01806799A CN1418065A CN 1418065 A CN1418065 A CN 1418065A CN 01806799 CN01806799 CN 01806799 CN 01806799 A CN01806799 A CN 01806799A CN 1418065 A CN1418065 A CN 1418065A
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- CN
- China
- Prior art keywords
- filter
- cigarette
- chitin
- fiber tow
- tow
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/06—Use of materials for tobacco smoke filters
- A24D3/08—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
Abstract
The present invention provides a filter member for cigarette, which comprises a filter bar including fiber bundles, an inner wind paper for wrapping the filter bar, and outer pre-filter paper surrounded on the inner wind paper. The present invention is characterized in that the filter bar consists of the fiber bundles of chitin and derivatives thereof. The filter member does not only improve the effect of filtering harmful substance in tobacco smoke, but also holds flavor of the cigarette, and meeting with requirements of tobacco industry for environment protection.
Description
Cigarette filter invention field
The present invention relates to a kind of cigarette filter of fibre bundle filter stick material.Background technology
Cigarette filter for filtering the filter stick of harmful material in flue gas and obbbin, cork paper for rolling up bag filter stick etc. by constituting.In the prior art, fibre bundle filter stick is mainly made up of Diacetate cellulose tow or polypropylene fibre strand material.Its filter effect depends on their chemical molecular structure and the physicochemical properties of organic compound.The weak point of wherein acetate silk filter stick is：Acetate silk filter material, due to being limited by active group is lacked, the segment polarity structure contained, material that can only be stronger to the polarity containing oxygen atom in flue gas compound, as the aldehyde ketone and lactones in carboxyl compound, heterocyclic compound such as furans and aldehydes matter have certain affinity, there is certain selective filter effect；And the low pole compound and minor metallic element adsorption capacity to the aromatic hydrocarbon such as carbon radicals harmful in burning smoke product and propylene class are relatively low, to wherein endangering the cut-off filter rate of maximum tar 35% or so；Acetate silk filter material carries negative electrical charge, and many particles there are about 2 X 10 with negative electrical charge in every milliliter flue gas in flue gas9Individual negative electrical charge particle, due to the repulsive interaction of identical charges, the main granule phase substance matter with mechanical stop and diffusional deposition retention flue gas of this filter tip；Its raw material is timber, and without fibrillation, strainability is restricted；Acetate silk filter material easily absorbs tobacco moisture and spices and the generation musty that goes mouldy.Polypropylene fibre tow filter material is the saturated alkane compound of HMW, without the stable compound of any electronegative group, due to molecular structure stabilized, and its physicochemical properties shows as inertia, molecular structure pole torpescence；It is non-polar conformations that it, which contains hydrophobic grouping, the polar structure for not having high affinity with polarity flue gas composition, therefore low to polar substances molecule cut-off filter rate in flue gas；Lack the ability of selective filter flue gas polar compound, the change of pressure drop is not influenceed to flue gas pole
Property component selective filter effect；The miscellaneous odoring substance molecule cut-off filter poor performance of the pungent stimulation low and relatively low to cigarette smell mid-boiling point, the bright sunlight of the pungent miscellaneous taste of stimulation；Polypropylene fibre tow does not have suitable plasticizer and curing agent when manufacturing filter stick, therefore uses organic solvent adhesive, and not only curing rate is slow, upper adhesive easy to stick on thread delivering roller, and filter stick is carried solvent odor；Polypropylene filaments beam intensity ambassador cutting blade and former serious wear, are not suitable with high-energy-rate forming machine, and device efficiency is low, cause man-hour and energy consumption increase；Polypropylene fiber tow filter rods hardness is relatively low, causes that tipping rate is low, and substandard products increase, and cost is improved.
The disease of the histoorgan such as harmful substance and breathing, digestion, cardiovascular and cerebrovascular, endocrine is closely related in cigarette smoke.A large amount of smokings can make low-density lipoprotein in blood（LDL) it is easy to oxidation, and causes carbon monoxide in blood (CO) concentration liter degree, so as to causes blood vessel endothelium hypoxic damage；Contain a kind of glycoprotein in cigarette, Hageman factor and certain mutagenic matter can be activated, the latter can cause film smooth muscle cell proliferation in vascular wall.Smoking can raise catecholamine concentration in platelet aggregation enhancing and blood, but reduce unrighted acid and hdl level.These each contribute to the generation of atherosclerosis.Summary of the invention
It is an object of the invention to provide a kind of good to harmful substances from flue gases cut-off filter effect, and the light murders by poisoning to smoker of the jealous cigarette filter , Yi Minus of cigarette can be met.
The purpose of the present invention is that the method for substituting Diacetate cellulose tow filter stick and polypropylene fibre tow filter stick in the prior art by the standby filter stick of application chitin and its derivant fiber tow preparing reaches.The fiber tow filter rods of harmful material and for rolling up the cigarette filter that the outer layer cork paper on obbbin of internal layer obbbin and volume bag of bag fiber tow filter rods is constituted i.e. in for cut-off filter flue gas, it is characterized in that filter stick is made up of chitin and its derivant fiber tow.
Chitin（Chitin) it is called chitin.Chitin be by 1,4 glycosidic bonds link 2-acetylaminohydroxyphenylarsonic acid 2- linear two membered copolymers Group of deoxidation-P-D- pyrans glucans into.It is widely present in the cell membrane of microorganism, yeast, mushroom, the software such as epidermis, shell of insect
In animal skeleton.Especially bad, crab crust is rich in 25-35% chitin.Chitosan is chitin deacetylase based products.Containing ehter bond, hydroxyl, amino, acetyl group etc. in chitin, chitosan molecule, multifunctional groups chemical reaction can be carried out.Big molecular weight, changeable ligancy can form metal complex, macroion compound, the series derivates of the different performance such as affine compound.The poly- chaff of chitin, shell and its derivative are the unique cationic tunicins being found so far, and chitin has just existed with microfiber form in biopsy, is embedded in protein matrix.Due to the strong hydrogen bonding effect between chitin molecule, molecule easily forms close molecular beam, makes it have well into Dry tendencies, with spinnability.At present, preparing chitin and its derivant fiber method has sulfonation method, halogen solvent method and acid amides-lithium chloride method etc., produce chitin fiber, chitin/chitosan fat fiber, chitin ether fiber etc., fiber tow filter rods are may be utilized in fabricating, for cigarette filter.
The advantage of the invention is that; chitin and its derivant fiber tow filter material are the polar structures containing various active group; the wherein kind analogy cellulose diacetate polyamino and acetyl group of active group; and the quantity of hydroxyl is also more; these active groups; there can be high affinity with polar molecule in flue gas, there is very high cut-off filter rate to polar substances molecule in flue gas, such as to the cut-off filter rate of tar up to more than 50%；Contain largely free-H in this filter material molecule2, and-H2Ortho position is-OH, can borrow hydrogen bond, can also borrow sat linkage and metal ion formation complex compound, and harmful metal ion retention in flue gas is removed；This filter material molecular structure can carry out different kinds of molecules modification, such as carboxy methylation, acylation, alkylation, sulfuric acid and Phosphation, grafting and crosslinking etc..Therefore, there is modified product extensive selective filter to act on to flue gas harmful substance, retain and remove the low pole compound of the aromatic hydrocarbon such as carbon radicals harmful in burning smoke product and propylene class；This filter material is the unique cationic tunicin being found so far, with positive charge, particulate matter negatively charged in flue gas can largely be adsorbed, there is mechanical stop to harmful substances from flue gases, diffusional deposition, the multiple cut-off filter effect such as absorption, absorption, infiltration, selective filter；Chitin can produce some fragrance matters, such as pyrrole in high temperature pyrolysis, increase the natural flavor of cigarette, play a part of fragrance enriching substance；
This filter material can be suppressed growth of microorganism effectively, prevent filter tip from absorbing tobacco moisture and spices and going mouldy, and keep pure fragrance of the cigarette in suction；It can adsorb few murders by poisoning of the pigment to human body of coloring matter , Minus in cigarette smell；Smoking, which has, promotes plasma low density lipoprotein（LDL) aoxidize, VLDL（VLDL) raised with triglyceride (TG) concentration, and cause fat metabolism not normal, cause Atherosclerosis.And chitin and its derivant fiber tow filter material can effectively adsorb and cause LDL to aoxidize in flue gas, the elevated harmful substances of VLDL and TG, the high 50-80% of material absorption interception that blood plasma LDL is aoxidized is caused than acetate silk filter material, to causing the elevated material absorption interceptions of blood plasma VLDL high by 70-150%, to causing the elevated material absorption high 50-100% of interception of plasma TG, so that the cardiovascular and cerebrovascular disease for effectively preventing atherosclerosis caused by smoking and occurring；This filter material can improve the cut-off filter amount to low boiling organic compound in flue gas, can largely eliminate and hinder radioactive substance in material, absorption flue gas with the few ciliums of Minus, improve gasification degree and affinity；The selective filter of this filter material, which has, produces significant changes with the change of its pressure drop, the high chitin of pressure drop and its derivant fiber tow filter, the increase of filter material amount in radius volume, make the quantity increase of the activated filter film point in filter tip, these activated filter film points can interact with the polar substances of half volatile in flue gas, improve selective filter efficiency；In nature river, river, lake, sea, land animals and plants, grow on trees chitinase, chitosan enzyme, lysozyme, chitin, chitosan complete biodegradable can be participated in into the circulation of carbon nitrogen biosystem, discarded object can be decomposed completely, not result in environmental pollution；Chitin growing amount in nature enriches very much, widely distributed, and being can be with the regenerated resources of shoot proliferation, because its source is wide; cost is low, for substituting the few timber usage amounts of acetate fiber , Ke Minus; preserve our planet vegetation, reduce material inlet, save foreign exchange.In a word; chitin and its derivant fiber tow filter material cigarette filter are than existing acetate silk filter tip; polypropylene fibre tow filter tip; it more effectively can selectively eliminate the special harmful substance relevant with health problem; while the harmful substance contents such as tar are reduced; also the jealous requirement of cigarette can be met, its discarded object energy fast decoupled under natural environment meets environmental protection requirement.
Brief description of the drawings
Drawings below describes embodiments of the invention
Fig. 1 is structural representation of the invention
Fig. 2, Fig. 3 are fibre bundle filter material individual filament cross section structural representation
Fig. 4 is composite filter tip structural representation
The present invention is given below in conjunction with accompanying drawing and is described in more detail.Cigarette filter of the present invention, its structure is identical with existing cigarette filter, is made up of the part such as fiber tow filter rods 1, obbbin 2, cork paper 3.The method is mainly characterized in that being used as the material for manufacturing the fast filter stick of silk using chitin and its derivant fiber tow.Numerous studies show that chitin and its derivative are the optimal materials for manufacturing cigarette filter stick.Either to the cut-off filter effect of harmful substance, in terms of aspirating taste, environmental protection and economic benefit, existing Diacetate cellulose tow and polypropylene fibre tow are all substantially better than, and manufacturing process is all existing textile industry and the general technology of cigarette industry.Chitin and its derivant fiber tow technique are：Commercially available chitin and its derivative are configured to the spinning slurry that concentration is 2-10%, after filtering and the processing of vacuum ^ bubbles, spinning cap extrusion is pumped into metering, the tow after extrusion enters in solidification liquid, while stretching, while solidify, side is crimped.Existing commercially available chitin and its derivant fiber product, the design of its monofilament cross section only has circle, to be adapted to manufacture cigarette filter, design spinning cap makes monofilament cross section fan-shaped etc. for semicircle, square, rectangle, triangle, pentagon, hexagon, trapezoidal, triangle, accumulated with enlarged surface, improve filter effect.Spinning cap aperture footpaths are 50-600 micron, and hole count is 60-1000 holes, 5-200 microns of Trilobal spinneret micropore leaf width, and leaf is long 30-600 microns, and length-width ratio 3-4 is advisable.Filament number is 0. 5- 5dtex, the 0CN/dtex of 1. 0- of dry strength 3..The lldtex of 1. 67- of monofilament linear density 11., optimal use scope is 2. 22-8. 89dtex.Total linear density is 2. 78- 6. 67ktex, the conventional 3-4. 44Ktex of tow scope 3..Crispation number is drawn for 10- 50/25, and optimal crispation number is 25/25mm of 18-.Tow formation waveform is crimped with crimping machine, and makes the network structure between tow formation monofilament, curling can make each monofilament form the tow wound mutually, and gather together easy place
Reason and bale packing；When filter stick formation fibre bundle can keep in filter stick and plumbness is axially bordering on, improve pressure drop, make filter tip full and solid.The tow extruded from spinning cap delivers to banding machine bale packing after solidifying, crimping, dry, you can manufacture filter stick for cigarette industry.The manufacturing process of fiber tow filter rods is：Shredding processing is carried out by fibre bundle processor pair chitin and its derivant fiber tow, fibre bundle is oriented, stent makes every fiber keep appropriate crimpness, reaches larger loosening degree；Then apply plasticizer, plasticizer is a kind of Fibrinolysis adhesive, using lithium chloride-acetamide-acetic acid mixed liquor, consumption is the 5-20% of tow total amount, chitin and its derivant fiber can be made to dissolve bonding and plastic.Forming machine shaping is delivered to, bonding internal layer volume bag paper is obbbin, cuts into the fiber tow filter rods of tep reel ply of paper.Finally by the cork paper bags of volume 3. of the fiber tow filter rods with disk Paper on cigarette machine, while being docking integrally with the tobacco section that is surrounded by air-permeable paper.Embodiment
As one embodiment of the present of invention, the monofilament shape of cross section of chitin and its derivant fiber tow is three-lobed structure, as shown in Fig. 2.In a variety of shape of cross sections above enumerated, the tow surface area of circular cross section is minimum, and the tow largest surface area of triangular cross section, under similarity condition, and the former is big by more than 50% for the surface area ratio of the latter.And cross section also wants big by more than 50% for the fibre bundle surface area ratio cross-sectional triangle of three-lobed structure, fibre bundle surface area can be increased substantially, filter effect is improved, moreover it is possible to increases the intensity of fibre bundle, raw material is saved, reduces cost.
Further to expand the surface area of fibre bundle filter stick, the sideline of above-mentioned trilobal monofilament cross section is made the present embodiment into convex and concave teeth wheel shape or zigzag structure is as shown in Figure 3.Increase many scraggly Zhou Pattern again so on fibre single thread surface, increase surface area, its surface area ratio trilobal also wants big by more than 50%.Monofilament shape of cross section is it can also be designed to the R shapes being close to round, Y shape, X-shaped, I shapes, C-shaped etc., but they are not so good as trilobal.
The present embodiment is a kind of composite cigarette filter tip.Lot of experiments proves that chitin is fine
Composite cigarette filter tip is combined between dimension fiber tow filter rods and different types of chitin derivativ fibre bundle filter stick, the filter material that chitin and its derivant fiber fiber tow filter rods and active carbon filter stick, acetate silk filter stick, polypropylene fibre tow filter stick etc. have difference in functionality is combined into composite cigarette filter tip, play the speciality of various filter materials, play a part of learning from other's strong points to offset one's weaknesses, the effect that can have been obtained.Here is that chitin and its derivant fiber fiber tow filter rods 1 and the Group of active carbon filter stick 4 close the composite cigarette filter tip constituted, as shown in Figure 4, active carbon filter stick 4 is placed between fiber tow filter rods 1 and cigarette tobacco 5, and their volumes are bundled into one by cork paper 3.Activated carbon has good filtration to the harmful components in flue gas, particularly good to vapor phase material cut-off filter effect, so as to improve the effect of filter tip.
Claims (1)
- Claim1. a kind of cigarette filter, the fiber tow filter rods (1) of harmful material and for rolling up bag fiber tow filter rods in for cut-off filter flue gas（1) internal layer obbbin（2) and volume bag in obbbin（2) the outer layer cork paper on（3) Group is into, it is characterised in that fiber tow filter rods（1) it is made of chitin and its derivant fiber tow.2. cigarette filter according to claim 1, it is characterised in that the chitin of composition filter stick (1) and its monofilament shape of cross section of derivant fiber tow are three-lobed structure.3- cigarette filters according to claim 2, it is characterised in that convex and concave teeth wheel shape or zigzag structure is made in the sideline of the trilobal monofilament cross section.4. the cigarette filter according to claim 1 or 2 or 3, it is characterized in that (4) Group, which are closed, constitutes composite cigarette filter tip, and active carbon filter stick (4) is placed in fiber tow filter rods for the fiber tow filter rods (1) and active carbon filter stick（1) between cigarette tobacco, and cork paper is passed through（3) volume be bundled into one-
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01806799 CN1202761C (en) | 2000-03-18 | 2001-03-19 | Filter tip for cigarette |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN00103977.6 | 2000-03-18 | ||
| CN 00103977 CN1314116A (en) | 2000-03-18 | 2000-03-18 | Cigarette filter tip |
| CN 01806799 CN1202761C (en) | 2000-03-18 | 2001-03-19 | Filter tip for cigarette |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1418065A true CN1418065A (en) | 2003-05-14 |
| CN1202761C CN1202761C (en) | 2005-05-25 |
Family
ID=4577168
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00103977 Pending CN1314116A (en) | 2000-03-18 | 2000-03-18 | Cigarette filter tip |
| CN 01806799 Expired - Fee Related CN1202761C (en) | 2000-03-18 | 2001-03-19 | Filter tip for cigarette |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00103977 Pending CN1314116A (en) | 2000-03-18 | 2000-03-18 | Cigarette filter tip |
Country Status (3)
| Country | Link |
|---|---|
| CN (2) | CN1314116A (en) |
| AU (1) | AU2001250245A1 (en) |
| WO (1) | WO2001070053A1 (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1295995C (en) * | 2001-12-10 | 2007-01-24 | 侯关荣 | Natural fibre cigarette tip and production thereof |
| US8113215B2 (en) | 2007-06-21 | 2012-02-14 | Philip Morris Usa Inc. | Smoking article filter having liquid additive containing tubes therein |
| WO2012088630A1 (en) * | 2010-12-29 | 2012-07-05 | 山东华兴纺织集团有限公司 | Cigarette filter and preparation method thereof |
| CN102524958A (en) * | 2010-12-29 | 2012-07-04 | 山东华兴纺织集团有限公司 | Cigarette with filter tip and preparation method thereof |
| CN102524959A (en) * | 2010-12-29 | 2012-07-04 | 山东华兴纺织集团有限公司 | Application of chitosan fibers to preparation of filter tips of cigarettes |
| CN102090716A (en) * | 2011-03-03 | 2011-06-15 | 中国海洋大学 | Novel cadmium-removal filter tip |
| CN102771893B (en) * | 2011-05-09 | 2014-05-07 | 湖北中烟工业有限责任公司 | Tip rod adopting chitosan fiber beams as filter materials and preparation method of tip rod |
| CN102708304B (en) * | 2012-06-15 | 2015-07-22 | 川渝中烟工业有限责任公司 | Method for forecasting suction resistance of filter stick |
| CN102692205B (en) * | 2012-06-15 | 2015-09-09 | 川渝中烟工业有限责任公司 | A kind of method and application thereof evaluating longitudinal surface area of strand |
| CN110893011A (en) * | 2018-09-12 | 2020-03-20 | 上海烟草集团有限责任公司 | Filter stick for cigarette and production method thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4018678A (en) * | 1974-08-09 | 1977-04-19 | Peniston Quintin P | Method of and apparatus for fluid filtration and the like with the aid of chitosan |
| JPS53142600A (en) * | 1977-05-17 | 1978-12-12 | Mitsubishi Acetate Co Ltd | Cigarette filter |
| JPH0634693B2 (en) * | 1984-02-10 | 1994-05-11 | ユニチカ株式会社 | Cigarette filter |
| CN87107513A (en) * | 1987-12-23 | 1988-07-27 | 何效群 | In a kind of produce, the method for low tar filter tipped cigarette |
| CN2313393Y (en) * | 1997-09-26 | 1999-04-14 | 毛旭峰 | Composite chitin and chitosan acetate fiber cigarette filter tip |
| CN1220852A (en) * | 1998-10-21 | 1999-06-30 | 黄培伟 | Method for producing filter tip |
-
2000
- 2000-03-18 CN CN 00103977 patent/CN1314116A/en active Pending
-
2001
- 2001-03-19 WO PCT/CN2001/000334 patent/WO2001070053A1/en active Application Filing
- 2001-03-19 CN CN 01806799 patent/CN1202761C/en not_active Expired - Fee Related
- 2001-03-19 AU AU2001250245A patent/AU2001250245A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| WO2001070053A1 (en) | 2001-09-27 |
| CN1202761C (en) | 2005-05-25 |
| CN1314116A (en) | 2001-09-26 |
| AU2001250245A1 (en) | 2001-10-03 |
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