WO2001070053A1 - Filtre pour cigarette - Google Patents

Filtre pour cigarette Download PDF

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Publication number
WO2001070053A1
WO2001070053A1 PCT/CN2001/000334 CN0100334W WO0170053A1 WO 2001070053 A1 WO2001070053 A1 WO 2001070053A1 CN 0100334 W CN0100334 W CN 0100334W WO 0170053 A1 WO0170053 A1 WO 0170053A1
Authority
WO
WIPO (PCT)
Prior art keywords
filter
tow
cigarette
chitin
filter rod
Prior art date
Application number
PCT/CN2001/000334
Other languages
English (en)
Chinese (zh)
Inventor
Ande Liu
Original Assignee
Centre Of Biological Products And Immunity Tech. Application And Research Dandong
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Centre Of Biological Products And Immunity Tech. Application And Research Dandong filed Critical Centre Of Biological Products And Immunity Tech. Application And Research Dandong
Priority to AU2001250245A priority Critical patent/AU2001250245A1/en
Publication of WO2001070053A1 publication Critical patent/WO2001070053A1/fr

Links

Classifications

    • 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

Definitions

  • the invention relates to a cigarette filter tip made of a fiber tow filter rod. Background technique
  • the cigarette filter tip is composed of a filter rod for filtering harmful substances in human body in smoke, and a paper roll, a tipping paper, and the like for wrapping the filter rod.
  • a fiber tow filter rod is mainly made of a diacetate fiber tow or a polypropylene fiber tow material. Its filtering effect depends on their chemical molecular structure and the physico-chemical properties of organic compounds. Among them, the disadvantages of the acetate fiber tow filter rod are: The acetate fiber tow filter material, due to the lack of active groups, contains a partially polar structure that can only be used to compare the polarity of oxygen atoms in the smoke compound.
  • Aromatic hydrocarbons and propylene weakly polar compounds and trace metal elements have low adsorption capacity, and the cutoff rate for the most harmful tar is about 35%; acetate fiber tow filter material has a negative charge, and many of the smoke The particles are also negatively charged. There are about 2 X 10 9 negatively charged particles per litre of smoke. Due to the repulsion of the same charge, this filter mainly mechanically blocks and diffuses and traps the particulate phase in the smoke.
  • acetate fiber tow filter material is easy to absorb tobacco moisture and flavors and moldy and moldy.
  • Polypropylene fiber tow filter material is a high molecular weight saturated alkane compound, a stable compound without any negatively charged groups.
  • Harmful substances in cigarette smoke are closely related to diseases of tissues and organs such as breathing, digestion, cardiovascular and cerebrovascular diseases, and endocrine system.
  • Heavy smoking can easily oxidize low-density lipoprotein (LDL) in the blood, and lead to an increase in the concentration of carbon monoxide (CO) in the blood, resulting in hypoxic damage to the vascular endothelium; cigarette contains a glycoprotein that can activate clotting factor XII And some mutagenic substances, the latter can cause the proliferation of smooth muscle cells in the lining of blood vessels.
  • Smoking can increase platelet aggregation and increase catecholamine levels in the blood, but reduce levels of unsaturated fatty acids and high-density lipoproteins. These all contribute to the occurrence of atherosclerosis. Summary of invention
  • the purpose of the present invention is to provide a cigarette filter which has a good filtering effect on harmful substances in smoke and can satisfy the taste of cigarettes, so as to reduce the toxicity to smokers.
  • the object of the present invention is achieved by a method of replacing a diacetate fiber tow filter rod and a polypropylene fiber tow filter rod in the prior art by using a filter rod prepared by using chitin and its derivative fiber tow. That is, a cigarette filter tip composed of a tow filter rod for intercepting harmful substances in the flue gas and an inner layer of paper used for wrapping the tow filter rod and an outer layer of cork paper wrapped on the paper. It is characterized in that the filter rod is made of tow of chitin and its derivative fibers.
  • Chitin is also called chitin.
  • Chitin is a 2-acetylamino-2-deoxy-P-D-glucopyranobinary linear copolymer that is linked by 1, 4 glycosidic bonds. It is widely found in the cell walls of microorganisms, yeasts, mushrooms, insect epidermis, shells and other software Animal bones. Especially bad, crab crustaceans are rich in 25-35% chitin.
  • Chitosan is a product of chitin deacetylation. Chitin and chitosan molecules contain ether bonds, hydroxyl groups, amino groups, acetyl groups, etc., and can perform multifunctional chemical reactions.
  • Chitin, chitosan and its derivatives are the only cationic animal celluloses discovered to date. Chitin has already existed in the form of microfibers in biological living tissues and is embedded in the protein matrix. Due to the strong hydrogen bonding between the chitin molecules, the molecules easily form compact molecular beams, which makes them have a good tendency to dry and has spinnability.
  • the methods for preparing chitin and its derivative fibers include sulfonation method, halogen-containing solvent method and amide-lithium chloride method, etc., manufacturing chitosan fibers, chitin / chitosan lipid fibers, chitin ether fibers, etc. Can be used to make tow filter rods for cigarette filters.
  • the advantage of the present invention is that the chitin and its derivative fiber tow filter material has a polar structure containing a variety of active groups, wherein the types of active groups are more amino and acetyl than cellulose diacetate, and the number of hydroxyl groups There are also many of these active groups, which have a high affinity for polar molecules in smoke, and have a high cut-off rate for polar substances in smoke.
  • the cut-off rate of tar is more than 50%;
  • the material molecule contains a large amount of free -H 2 and -H 2 is -OH in the ortho position, which can form a complex with metal ions through hydrogen bonding or salt bonding to trap and remove harmful metal ions in the flue gas;
  • the molecular structure of this filter material can be modified by a variety of molecules, such as carboxymethylation, acylation, alkylation, sulfuric acid and phosphate esterification, grafting and crosslinking.
  • the modified product has a wide selective filtering effect on harmful substances in the smoke, and traps and removes aromatic hydrocarbons such as carbon free radicals which are harmful to the human body, and weakly polar compounds of propylene in the burning products;
  • aromatic hydrocarbons such as carbon free radicals which are harmful to the human body, and weakly polar compounds of propylene in the burning products.
  • chitin When chitin is pyrolyzed at high temperature, it will produce some flavoring substances, such as pyridine, which increase the natural flavor of cigarettes and act as a flavor supplement;
  • This filter material can effectively inhibit the growth of microorganisms, prevent the filter from absorbing tobacco moisture and flavors and cause mildew, and maintain the pure
  • the chitin and its derivative fiber tow filter material can effectively adsorb the harmful substances that cause LDL oxidation in the flue gas and increase VLDL and TG, which are 50% higher than the adsorption and retention of the substances that cause plasma LDL oxidation in the fiber tow filter material.
  • This filter material can improve the interception of low-boiling organic compounds in smoke, can greatly eliminate and reduce ciliary obstructing substances, adsorb radioactive materials in smoke, and improve the degree of gasification and affinity;
  • the selective filtration of this filter material has a significant change with the change of its pressure drop.
  • the chitin and its derivative fiber tow filters with high pressure drop the increase of the amount of filter material in the radius volume makes the The number of active filter points is increased, and these active filter points can interact with semi-volatile polar substances in the flue gas to improve the selective filtering efficiency; in nature, rivers, rivers, lakes, seas, and land animals and plants
  • chitin and its derivative fiber tow filter cigarette filters are more effective than the existing acetate fiber tow filter and polypropylene fiber tow filter in selectively removing certain harmful substances related to health problems. While reducing the content of harmful substances such as tar, it can also meet the requirements of cigarette taste, and its waste can be quickly decomposed in the natural environment, which meets the requirements of environmental protection.
  • Figure 1 is a schematic diagram of the structure of the present invention
  • Figure 2 and Figure 3 are schematic diagrams of the cross-sectional structure of the monofilament of the fiber tow filter material
  • Figure 4 shows the structure of the composite filter
  • the cigarette filter according to the present invention has the same structure as the existing cigarette filter, and is composed of a tow filter rod 1, a disc paper 2, a tipping paper 3, and the like.
  • the main feature of the present invention is to use chitin and its derivative fiber tow as a material for manufacturing a wire speed filter rod.
  • chitin and its derivatives are the best materials for making cigarette filter rods. Whether it is the filtering effect on harmful substances, the taste of suction, environmental protection and economic benefits, it is significantly better than the existing diacetate fiber tow and polypropylene fiber tow, and the manufacturing process is the existing textile industry and tobacco Industry-wide process technology.
  • the process of tow of chitin and its derivative fiber is:
  • the commercially available chitin and its derivative are formulated into a spinning slurry with a concentration of 2-10%. After filtration and vacuum bubble treatment, it is transported to the spinning by a metering pump.
  • the silk cap is extruded, and the extruded tow enters the coagulation liquid, and is stretched, coagulated, and curled.
  • the monofilament cross-section design is only circular.
  • the spinning cap is designed so that the monofilament cross-section is semi-circular, square, rectangular, triangular, Pentagonal, hexagonal, trapezoidal, triangular fan, etc.
  • the diameter of the spinning cap is 50-600 microns, the number of holes is 60-1000, the micro-holes of the three-leaf spinneret have a leaf width of 5-200 microns, a leaf length of 30-600 microns, and an aspect ratio of 3-4 is appropriate.
  • the monofilament fineness is 0.5 to 5 dtex, and the dry strength is 1. 0 to 3. 0 CN / dtex.
  • Monofilament linear density 1. 67- 11. lldtex, the best use range is 2. 22-8. 89dtex.
  • the bus density is 2. 78- 6. 67ktex, and the commonly used tow range is 3. 3-4. 44Ktex.
  • the number of curls is 10-50 pieces / 25 paintings, and the best number of curls is 18-25 pieces / 25mm.
  • the crimp can make each monofilament to form an intertwined tow, which is easy to gather together.
  • the fiber tow can be kept close to the axial direction in the filter rod, which can increase the pressure drop and make the filter full and solid.
  • the tow extruded from the spinning cap is solidified, crimped, and dried, and then sent to a baler for packing, which can be used in the manufacture of filter rods in the tobacco industry.
  • the manufacturing process of the tow filter rod is: opening the chitosan and its derivative fiber tow by a fiber tow processor, so that the fiber tow is oriented and spread, so that each fiber maintains a proper crimp to achieve A large degree of looseness; then a plasticizer is applied.
  • the plasticizer is a fiber dissolving binder, which uses a lithium chloride-acetamide-acetic acid mixed solution in an amount of 5-20% of the total tow. Chitin and its derivative fibers dissolve and bond to become plastic. It is sent to the molding machine for molding, and the inner layer of wrapping paper, that is, the disc paper, is bonded and cut into a tow filter rod with a disc paper layer. Finally, roll the tow filter rod with a paper roll on a cigarette maker with a loose paper 3. Roll the bag, and at the same time, butt it with the tobacco part covered with breathable paper to form a whole. Examples
  • the cross-sectional shape of the monofilament of the tow of chitin and its derivative fibers is a trilobal structure, as shown in FIG. 2.
  • the surface area of the tow of the circular cross section is the smallest, and the surface area of the tow of the triangular cross section is the largest. Under the same conditions, the surface area of the latter is more than 50% larger than the former.
  • the surface area of the fiber tow with a trilobal structure is more than 50% larger than that of the triangle with a cross-section, which can greatly increase the surface area of the fiber tow, improve the filtering effect, increase the strength of the fiber tow, and save raw materials. lower the cost.
  • the side line of the cross section of the trilobal monofilament is made into a convex-concave gear shape or a zigzag structure as shown in FIG. 3.
  • the shape of the cross-section of the monofilament can also be designed to be round, R-shaped, Y-shaped, X-shaped, I-shaped, C-shaped, etc., but they are not as good as trilobal shapes.
  • This embodiment is a composite cigarette filter. Numerous tests have proved that chitin fiber
  • the composite tow filter rods are combined with different types of chitin derivative fiber tow filter rods, chitin and its derivative fiber tow filter rods, activated carbon filter rods, acetate fiber tow filter rods, Polypropylene fiber tow filter rods and other filter materials with different functions are combined into a composite cigarette filter, which exerts the characteristics of various filter materials, plays a role of complementing each other, and can obtain good results.
  • the following is a composite cigarette filter composed of chitin and its derivative fiber tow filter rod 1 and activated carbon filter rod 4. As shown in FIG. 4, the activated carbon filter rod 4 is placed between the tow filter rod 1 and cigarette tobacco 5. , And roll them into one with a tipping paper 3.
  • Activated carbon has a good filtering effect on the harmful components in the flue gas, especially it has a good filtering effect on the vapor phase substances, thereby improving the filter effect.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)

Abstract

L'invention concerne un filtre pour cigarette comprenant une tige de filtrage, une feuille d'enroulement interne permettant d'enrouler la tige et une feuille préfiltre externe entourant la feuille interne. L'invention est caractérisée par l'utilisation de chitine et de filaments de fibre dérivés pour la fabrication de la tige de filtre. Ce filtre fait preuve de bonnes performances sur les substances toxiques contenues dans le tabac, sans pour autant affecter son arôme et sans incidence sur l'environnement conformément aux exigences de l'industrie du tabac.
PCT/CN2001/000334 2000-03-18 2001-03-19 Filtre pour cigarette WO2001070053A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2001250245A AU2001250245A1 (en) 2000-03-18 2001-03-19 Filter member for cigarette

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN00103977.6 2000-03-18
CN 00103977 CN1314116A (zh) 2000-03-18 2000-03-18 香烟过滤嘴

Publications (1)

Publication Number Publication Date
WO2001070053A1 true WO2001070053A1 (fr) 2001-09-27

Family

ID=4577168

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2001/000334 WO2001070053A1 (fr) 2000-03-18 2001-03-19 Filtre pour cigarette

Country Status (3)

Country Link
CN (2) CN1314116A (fr)
AU (1) AU2001250245A1 (fr)
WO (1) WO2001070053A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8113215B2 (en) 2007-06-21 2012-02-14 Philip Morris Usa Inc. Smoking article filter having liquid additive containing tubes therein
CN110893011A (zh) * 2018-09-12 2020-03-20 上海烟草集团有限责任公司 一种烟用滤棒及其生产方法
WO2024170274A1 (fr) * 2023-02-16 2024-08-22 Cerdia International GmbH Matériau fibreux destiné à être utilisé en tant que matériau de filtre et/ou matériau de remplissage pour embouts, mèche faite d'un tel matériau fibreux et embouts pour produits à fumer faits d'un tel matériau de mèche

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1295995C (zh) * 2001-12-10 2007-01-24 侯关荣 天然纤维香烟滤棒及其制造方法
CN102524958A (zh) * 2010-12-29 2012-07-04 山东华兴纺织集团有限公司 一种过滤嘴香烟及其制备方法
CN102524959A (zh) * 2010-12-29 2012-07-04 山东华兴纺织集团有限公司 壳聚糖纤维在制备香烟过滤嘴中的应用
WO2012088630A1 (fr) * 2010-12-29 2012-07-05 山东华兴纺织集团有限公司 Filtre de cigarette et procédé de préparation de celui-ci
CN102090716A (zh) * 2011-03-03 2011-06-15 中国海洋大学 新型脱镉过滤嘴
CN102771893B (zh) * 2011-05-09 2014-05-07 湖北中烟工业有限责任公司 以壳聚糖纤维丝束为过滤材料的嘴棒及其制备方法
CN102692205B (zh) * 2012-06-15 2015-09-09 川渝中烟工业有限责任公司 一种评价丝束纵向表面积的方法及其应用
CN102708304B (zh) * 2012-06-15 2015-07-22 川渝中烟工业有限责任公司 一种预测滤棒吸阻的方法

Citations (6)

* Cited by examiner, † Cited by third party
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
JPS60168373A (ja) * 1984-02-10 1985-08-31 ユニチカ株式会社 タバコ用フイルタ−
CN87107513A (zh) * 1987-12-23 1988-07-27 何效群 一种生产中、低焦油滤嘴香烟的方法
CN2313393Y (zh) * 1997-09-26 1999-04-14 毛旭峰 复合甲壳质、甲壳胺醋酸纤维香烟滤嘴
CN1220852A (zh) * 1998-10-21 1999-06-30 黄培伟 过滤嘴的生产方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
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
JPS60168373A (ja) * 1984-02-10 1985-08-31 ユニチカ株式会社 タバコ用フイルタ−
CN87107513A (zh) * 1987-12-23 1988-07-27 何效群 一种生产中、低焦油滤嘴香烟的方法
CN2313393Y (zh) * 1997-09-26 1999-04-14 毛旭峰 复合甲壳质、甲壳胺醋酸纤维香烟滤嘴
CN1220852A (zh) * 1998-10-21 1999-06-30 黄培伟 过滤嘴的生产方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8113215B2 (en) 2007-06-21 2012-02-14 Philip Morris Usa Inc. Smoking article filter having liquid additive containing tubes therein
CN110893011A (zh) * 2018-09-12 2020-03-20 上海烟草集团有限责任公司 一种烟用滤棒及其生产方法
WO2024170274A1 (fr) * 2023-02-16 2024-08-22 Cerdia International GmbH Matériau fibreux destiné à être utilisé en tant que matériau de filtre et/ou matériau de remplissage pour embouts, mèche faite d'un tel matériau fibreux et embouts pour produits à fumer faits d'un tel matériau de mèche

Also Published As

Publication number Publication date
AU2001250245A1 (en) 2001-10-03
CN1202761C (zh) 2005-05-25
CN1314116A (zh) 2001-09-26
CN1418065A (zh) 2003-05-14

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