CN103892461A - Selenium-germanium rich composite zeolite group poison-filtering cigarette tip - Google Patents

Selenium-germanium rich composite zeolite group poison-filtering cigarette tip Download PDF

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CN103892461A
CN103892461A CN201410112346.0A CN201410112346A CN103892461A CN 103892461 A CN103892461 A CN 103892461A CN 201410112346 A CN201410112346 A CN 201410112346A CN 103892461 A CN103892461 A CN 103892461A
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nano powder
selenium
poison
weight
composite zeolite
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成进学
成钢
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Nantong Snakes Treating Institute
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Nantong Snakes Treating Institute
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Abstract

The invention discloses a selenium-germanium rich composite zeolite group poison-filtering cigarette tip, and belongs to the technical field of production of the cigarette tips capable of reducing flue gas poisons. The selenium-germanium rich composite zeolite group poison-filtering cigarette tip is made by hybrid nano powder capable of supplementing selenium and germanium to resist oxidation and remove free radical, highly adsorbing benzopyrene a of smoke compounds, reducing tar nicotine, sterilizing, eliminating smoke poisons and reducing nitrosamine and generating oxygen and reducing carbon monoxide (CO) and cellulose acetate fibers, polypropylene, pure fibers and the like. The selenium-germanium rich composite zeolite group poison-filtering cigarette tip has functions of highly resisting the oxidation and removing the free radical, adsorbing and filtering benzene, formaldehyde, binitro propane, hydrazine, urethane, ene chloride, the carbon monoxide (CO), acetaldehyde, oxynitride, hydrocyanic acid, amine, acrolein and the like in a smoke phase and tar and nicotine, pyridine, dipyridyl and derivatives thereof in a granule phase and highly cancerogenic poisons and heavy metal of multi-level polycyclic aromatic hydrocarbon, so that smoking harms to the body can be reduced, smoking poisons can be removed, health can be protected, and cancers can be prevented.

Description

Rich selenium germanium composite zeolite group poison-filterning cigarette mouth
Technical field:
The invention discloses a kind of rich selenium germanium composite zeolite group poison-filterning cigarette mouth, is to belong to the cigarette holder production technical field that reduces fume damage.
Background technology:
Harmfulness of smoking health is the universally acknowledged fact, harm of smoking is mainly the effect due to tobacco leaf and harmful substances in flue gas, the chemical composition of flue gas is mainly derived from the essence adding in the chemical composition of tobacco leaf and cigarette composition, spices and additive etc., in cigarette smoke, account for 92% of whole exhaust gas volumn containing gas phase, containing 400-500 kind compound, wherein main noxious material has benzene, formaldehyde, dinitro-propane, hydrazine amino, Ethyl formate, chlorination alkene, carbon monoxide (Co), acetaldehyde, oxynitrides, hydrogen cyanide, amine and methacrylaldehyde etc., front 6 kinds of materials are carcinogen.In gas phase, carbon monoxide Co content is very high, large to harm.Grain is 8% at cigarette smoke content, mainly containing tar and nicotine, can detect neutrality, acidity and three kinds of components of alkalescence.Main containing nicotine, pyridine, bipyridyl and three kinds of components of derivative thereof in basic component.In neutral component, be mainly polycyclic aromatic hydrocarbon compounds, it has carcinogenic substance.Phenolic compound in acidic components also has carcinogenicity, account for the 65%-75% of tar total amount, wherein known have multiple carcinogenic substance as benzo (a) pyrene, dibenzo (a.h) anthracene, benzo (b) fluoranthene, benzo (j) fluoranthene, dibenzo (a.i) pyrene, dichlorostyrene, phthalic acid and arsenic, mercury, cadmium, lead etc.In smoke of tobacco, have 3800 kinds of compositions at least, through expert work group's qualification, contained in smoke of tobacco " carcinogenic substance certainly " is no less than 44 kinds and remains at carcinogenic promoting agent and other cocarcinogens.In cigarette smoke, also have the harmful substances such as agricultural chemicals, cyanide, free radical, nitrogen oxide.
Summary of the invention:
The object of the present invention is to provide a kind of rich selenium germanium composite zeolite group poison-filterning cigarette mouth.
The scheme that the technology of the present invention solves is:
A kind of rich selenium germanium composite zeolite group poison-filterning cigarette mouth, is characterized in that: form % by following proportion by weight
(1) wherein mend selenium germanium oxidation and removing free radicals and mix nano powder, it is characterized in that: form % by following proportion by weight
Figure BSA0000102303710000021
(2) potent absorption smoke gasification compound benzo (a) pyrene mixing nano powder wherein, is characterized in that: form % by following proportion by weight
(3) wherein fall tar nicotine mixing nano powder, it is characterized in that: form % by following proportion by weight
(4) wherein nitrosamine mixing nano powder falls in sterilization smoke abatement poison, it is characterized in that: form % by following proportion by weight
(5) carbon monoxide mixing nano powder falls in oxygenation, it is characterized in that: form % by following proportion by weight
Method for making: get above oxygen generating agent component mixture 60%, again with the i.e. toluene-butanone mixed solution of 1: 1 of 10% solvent, and 30% hydrophobic resin be that vinyl chloride-vinyl acetate-polyurethane copolymer mixes, at grinding in ball grinder 2h, the superfine nano powder made from vacuum drying nanometer technology device again, reaches the discharge capacity that increases cigarette holder oxygen reduction carbon monoxide.
In embodiment each side, mix nano powder, on market, various existing cigaratte filters are as acetate fiber filter tip, polypropylene filter tip, pure fibrous filter, and the paper filter paper manufacturing process of adding various additives is added manufacture production, rich selenium germanium composite zeolite group poison-filterning cigarette mouth.
" Smoking is harmful to your health " reason is in the smog of result of combustion of tobacco, contains many oxidants and prooxidant, and they can cause the generation of free radical, and base activity is very high.According to the study, smoking is the mode that free radical is maximum of producing at present, often has a suck of cigarette and produces 100,000 free radicals to I haven't seen you for ages.This free radical can damage human body cell, in the process of smoking, not only in the tar state of tobacco, contain a large amount of oxidants and prooxidant, and contained oxidant and prooxidant is more in the gaseous state of tar, smoking that Here it is can significantly increase lipid peroxidation risk factors, thereby becomes the major reason that Smoking is harmful to your health.Why rich selenium cigarette holder can improve tobacco quality security and reduce harmfulness of smoking, mainly not only to improve smoker's blood selenium level, be conducive to the formation of selenoenzyme in body, but also can reduce cigarette coke tar content and toxicity, number of free radical in flue gas can also reduce cigarette combustion time, improves the formation that the interior blood selenium level of smoker's body is conducive to selenoenzyme.Caused the free radical producing by multiple oxidant, can be caused the damage of biomolecule and cell membrane.Medical research thinks that the free radical being inhaled in human body can directly be combined with DNA, makes cell transformation, thereby causes disease and cancer.Apply rich selenium filter tip to increase artificially human body selenoenzyme be to remove the important enzyme of interior free yl as glutathione peroxidase and sulphur draw the systems such as albumen reductase in order to tackle the destruction of these multiple oxidants.Person's blood in human body in selenium level improves 10% to use after tested rich selenium filter tip smoker to aspirate regular-size cigarette; illustrate with rich selenium filter tip; selenium element can enter human body and participate in blood circulation; improve the activity of these important enzymes of removing interior free yl; protected protein matter and DNA macromolecular structure and function are avoided the damage of free radical; play reduction gene mutagenicity, the effect of DNA plerosis, thus reduce the harm of cigarette to human body.
Zeolite is natural volcano mine material, the various screen work shape mineral of aluminium silicon salt composition, it has unique complicated crystalline texture, and also more complicated than honeycomb, zeolite inside has been full of trickle hole passage, if these pipelines and vestibule have all been opened, paved the specific area that has 2000 square metres, therefore it has powerful absorption anaphylactogen, the various poisonous and harmful substances in flue gas, each heavy metal species, toxin, free radical.Zeolite be again in the middle of nature minority with one of mineral of negative electrical charge, so to the heavy metal with positive charge in flue gas, arsenic, mercury, cadmium, lead and various toxin, free radical, has strong suction-operated.In Russia, the U.S. and Japanese nuclear leakage event, all absorb radio chemistry material and other harmful toxins with zeolite, because zeolite is the natural minerals of minority with negative electrical charge, so to toxin positively charged in flue gas, it is suction toxin as magnet, as sieve, carry out sieve element, absorb the noxious material containing in flue gas as benzene, formaldehyde, dinitro-propane, hydrazine, ethyl amino acid ester, chlorination alkene, carbon monoxide (CO), acetaldehyde, oxynitrides, hydrogen cyanide, amine and methacrylaldehyde etc. in flue gas gas phase.Tar, nicotine and heavy metal, various harmful substance, the zeolite of grain in mutually also has catalyst, the effect of ion transformational.Because zeolite is occurring in nature minority with one of mineral matter of negative electrical charge.So to heavy metal and the free radical with positive charge in flue gas, there are very powerful absorption and scavenging action, toxin is caught firmly and is locked in " cage " of own distinctive pipeline and cavity so zeolite has like the same suction toxin of magnet, and then excrete, it and chitin are with using, because chitin is a kind of disease-resistant, body-building, natural, green, antiseptic, it is the unique tunicin being found with positive charge of nature, in its molecular structure with undersaturated cation group, thereby to electronegative all kinds of harmful substances, there is powerful suction-operated.
Chitin claims again chitin, chitin; chitin is through concentrated base processing; can slough N-acetyl group 55% in chitin structural formula when above; become the most important derivative shitosan of chitin, chitin, chitin; it is the biopolymer that a kind of molecular weight is very large; extensively be present in the cell membrane of shell, algae, Mycophyta of natural shell, shrimp, crab, insect the straight-chain polysaccharide that it is made up of glucose construction unit.Chitin is a kind of positively charged natural nitrogenous polysaccharide high polymer, and zeolite be in the middle of nature minority with one of mineral matter of negative electrical charge.So the various toxic compounds to all charged heavy metals in flue gas, nicotine, tar, gas phase and grain in mutually, no matter be that positive charge or negative electrical charge all have powerful blocking-up suction-operated.Experiment is observed with the chitin of 10%-35% and is added in tobacco and mixes and use, flammability gustation and smell within the scope of this, all desirable, this is because chitin temperature in the time that smoking is burnt forms pyrazine class aromatic at about 900 DEG C in result of combustion of tobacco process, and can reduce the harmful components such as nicotine, tar.Chitin and derivative chitosan nano ground rice thereof as filter material compound add in cellulose acetate filter reducing T/N and hazardous compound thereof also very effective.Because zeolite is electrically charged, chitin is positively charged, the number of chemical material of all flue gases, and carcinogenic substance nicotine, free radical, carbon monoxide, various endotoxin, heavy metal, no matter it is positively charged or negative electrical charge all has strong adsorption and scavenging action, reach the object that reduces harmfulness of smoking health.
Carbon monoxide in cigarette smoke is the thermal decomposition product of pipe tobacco, account for main flume volume fraction 3%, it is in flue gas, to mainly contain one of harmful substances, can and blood in hemoglobin combination, cause blood oxygen carrying content deficiency, cause human body anoxia.Reduce carbon monoxide, increase obbbin air permeability, increase rich germanium spirulina mycelium nano powder in cigarette holder, because there are three keys with oxygen in the unique molecular structure that organic germanium has, oral absorption can provide a large amount of oxygen to systemic cell, improves metabolism, strengthens anti-cancer ability, the formation of inhibition cancer cell, reduce blood viscosity, increase CBF, improve circulation, reduce blood pressure, prevent cerebral thrombus, anti-ageing lengthening one's life, toxin expelling oxygenation, coordinate with oxygen generating agent, increase flue gas oxygen content and reduce carbon monoxide content.Not only moisture adsorption and releasing speed is fast for bamboo charcoal nano powder, good permeability, but also there is antibacterial, bacteriostasis property.Its manufacture craft of carbonized cotton sterilizing fiber is that cotton is placed under vacuum, be heated to 800-1000 DEG C, contained humidity in cotton is evaporated completely: cotton fiber is made to carbonized cotton fiber, when its pH value reaches 1.9-3, there is strong acidity, therefore sterilizing ability is extremely strong, not only fiber surface, the fiber around interior bacterium of scope of 5mm is also difficult to breeding, application various sterilization admixture of gas reduces endotoxin in tobacco, nitrosamine in flue gas, because the volatile nitrosamine in flue gas not only in kind than many in pipe tobacco, and its content is also than large in pipe tobacco, it forms in pipe tobacco burning, the major part of N-nitroso compound---nitrosamine is a kind of very strong carcinogenic substance.Vitamin C, vitamin E, extract from pine needles, pine needle PCA, shitosan fit applications to destroy absorption, in and nitroso anion, the formation of blocking nitrosamine formation, prevents, adsorbs, filters various toxic chemical substances, the toxic reaction in soma.Far infrared nano powder, the micro mist with far infrared radiation is called again far-infared ceramic powder.Different far-infrared powders have different far-infrared spectrums, and it is that a kind of nanoscale composite inorganic material is SiO 2, TiO 2, Al 2o 3, CaO, P 2o 5, various mineral matters can enhance metabolism as composition mid and far infrared lines such as zeolite, medical stone, tourmaline, improve oxygen content activated water molecule, improve microcirculation, Balancing degree, improves immunity, reduces harmfulness of smoking.
Kieselguhr has unique structure and physicochemical property, so have extremely strong adsorption capacity and permeability, is usually used in adsorbent, the filter aid of production, and the adsorption rate of mercury is reached more than 90%.Be rich in and enrich micro-healthy remedies---medical stone, in the medical stone of tai shan, contain after testing gallium Ga, germanium Ge, selenium Se, strontium Sr, vanadium V, zinc Zn, copper Cu, molybdenum Mo, chromium Cr, nickel, niobium Nb, tantalum Ta, cobalt Co, tin Sn, europium Fu, zirconium Zr, depressed place W, meeting water soaking can very fast stripping calcium Ca, magnesium Mg, potassium K, sodium Na, strontium Sr, selenium Se, zinc Zn, iodine I, and can adsorb the heavy metal ion such as harmful cadmium Cd, mercury Hg, plumbous Pb, arsenic As, the odorous gas such as poisonous and harmful substance and hydrogen sulfide and various germ, virus and organic.Silica SiO in medical stone composition 2percentage composition 59.6%, alundum (Al2O3) Al 2o 3account for 16.5%, titanium dioxide TiO 2account for 0.78%, if these three kinds of different nano materials are got involved in the cigarette holder of cigarette of commercially available finished product through experiment, the effect that reduces tar, nicotine in flue gas is the most obvious.In composition, there is di-iron trioxide Fe simultaneously 2o 3, iron oxide FeO, magnesia MgO, calcium oxide CaO, sodium oxide molybdena Na 2o, potassium oxide K 2o, phosphorus pentoxide P 2o 5, manganese Mn etc.
Bentonitic mineralogical composition is mainly montmorillonite, and its content is generally more than 65%, and montmorillonite has monoclinic crystal structure, belongs to 2: 1 type layered clay minerals, and each crystal layer is made up of two layers of silicon-oxy tetrahedron therebetween one deck alumina octahedral.There is good adsorptivity ion exchangeable and volumetric expansion, in the time that saliva is being met in smoking, can have an effect by tar, nicotine, various toxic compounds in absorption, ion-exchange, wet solidifying and flue gas, finally reach the effect of removing toxic pollutant.Because bentonite passes through the effect that this performance of high-temperature calcination improves its absorption, ion-exchange and coagulation greatly.Amethyst, crystobalite belong to oxide S iO 2, SiO 4, Si content has comparative advantage, and also has rare earth and germanium Ge element, mucopolysaccharide.Tourmaline, opal, astroies, bottom sediment, these natural materials such as aethiops vegetabilis, have permanent spontaneous electrode, are being subject to temperature, the extraneous small variation such as pressure, can make surrounding air ionization, is a kind of natural anion generator, and the mineral matter that these are contained to multiple rare element, through roasting, grind, the nano material powder of nanotechnology treatments or title negative ion powder, there is pyroelectricity and piezoelectricity, be added in cigarette holder, be under the minor variations of temperature and pressure, just can cause the electrical potential difference of bearing between powder crystal body, thereby form electric field, pneumatics electricity ionizes the air in electric field, the electron attachment of being hit, near water and oxygen molecule, makes its anion that changes into air, and these mineral matters are the aluminium taking boracic as feature, sodium, iron, magnesium, the silicate material mineral porosity of lithium circulus is high, water imbibition is strong, excellent adsorption, various poisonous and harmful compounds in adsorbable flue gas, tar, nicotine, chloride, nitrite, cyanide, Pb, Hg, the poisonous and harmful heavy metallics such as As, its chemical composition is SiO 2h 2o and Fe 2o 3, Al 2o 3, have a large amount of poriform micropores in Mn, Cu mineral, specific area is large especially, and therefore its absorption property is good especially, can adsorb in a large number, be oxidized, decompose poisonous, pernicious gas, the leachable various trace elements that is of value to people's in-vivo element balance, releasing beneficial is in the anion of health.Tar in cigarette and harmful components thereof are had to good absorption tar removing, reduce flue gas damaging effect.
Test result shows to use the composite filter tip of nanoscale mixed mineral material to flue gas TPM, tar, flue gas, nicotine, poisonous Carcinogenic Nitrosamines, and the filter effect of content is comprehensively than effective with simple a kind of mineral nano material filter tip.
Below in conjunction with examples of implementation, the present invention is further illustrated:
Specific implementation method:
Embodiment 1:
(1) wherein mend selenium germanium oxidation and removing free radicals and mix nano powder, it is characterized in that: form % by following proportion by weight
Figure BSA0000102303710000061
(3) potent absorption smoke gasification compound benzo (a) pyrene mixing nano powder wherein, is characterized in that: form % by following proportion by weight
Figure BSA0000102303710000062
Figure BSA0000102303710000071
(4) wherein fall tar nicotine mixing nano powder, it is characterized in that: form % by following proportion by weight
Figure BSA0000102303710000072
(5) wherein nitrosamine mixing nano powder falls in sterilization smoke abatement poison, it is characterized in that: form % by following proportion by weight
Figure BSA0000102303710000073
(6) carbon monoxide mixing nano powder falls in oxygenation, it is characterized in that: form % by following proportion by weight
Figure BSA0000102303710000074
Method for making: get above oxygen generating agent component mixture 60%, again with the i.e. toluene-butanone mixed solution of 1: 1 of 10% solvent, and 30% hydrophobic resin be that vinyl chloride-vinyl acetate-polyurethane copolymer mixes, at grinding in ball grinder 2h, the superfine nano powder made from vacuum drying nanometer technology device again, reaches the discharge capacity that increases cigarette holder oxygen reduction carbon monoxide.
In embodiment each side, mix nano powder, on market various existing cigaratte filters as acetate fiber filter tip, polypropylene filter tip, pure fibrous filter, and add various additives paper filter paper manufacturing process add manufacture produce.Rich selenium germanium composite zeolite group poison-filterning cigarette mouth.
A kind of rich selenium germanium composite zeolite group poison-filterning cigarette mouth, mend selenium germanium oxidation and removing free radicals mix nano powder, potent absorption smoke gasification compound benzene than (a) pyrene filter poison mix nano powder, fall tar nicotine mixings nano powder, nitrosamine mixing nano powder falls in sterilization smoke abatement poison, oxygenation is fallen carbon monoxide CO mixing nano powder and formed, by it is characterized in that: form % by following proportion by weight
Figure BSA0000102303710000081
Embodiment 2: a kind of rich selenium germanium composite zeolite group poison-filterning cigarette mouth, mend selenium germanium oxidation and removing free radicals mix nano powder, potent absorption smoke gasification compound benzene than (a) pyrene filter poison mix nano powder, fall tar nicotine mixings nano powder, nitrosamine mixing nano powder falls in sterilization smoke abatement poison, oxygenation is fallen carbon monoxide CO mixing nano powder and formed, by it is characterized in that: form % by following proportion by weight
Figure BSA0000102303710000082
Embodiment 3: a kind of rich selenium germanium composite zeolite group poison-filterning cigarette mouth, mend selenium germanium oxidation and removing free radicals mix nano powder, potent absorption smoke gasification compound benzene than (a) pyrene filter poison mix nano powder, fall tar nicotine mixings nano powder, nitrosamine mixing nano powder falls in sterilization smoke abatement poison, oxygenation is fallen carbon monoxide CO mixing nano powder and formed, by it is characterized in that: form % by following proportion by weight
Figure BSA0000102303710000083
Embodiment 4: a kind of rich selenium germanium composite zeolite group poison-filterning cigarette mouth, mend selenium germanium oxidation and removing free radicals mix nano powder, potent absorption smoke gasification compound benzene than (a) pyrene filter poison mix nano powder, fall tar nicotine mixings nano powder, nitrosamine mixing nano powder falls in sterilization smoke abatement poison, oxygenation is fallen carbon monoxide CO mixing nano powder and formed, by it is characterized in that: form % by following proportion by weight
Figure BSA0000102303710000091
Embodiment 5: a kind of rich selenium germanium composite zeolite group poison-filterning cigarette mouth, mend selenium germanium oxidation and removing free radicals mix nano powder, potent absorption smoke gasification compound benzene than (a) pyrene filter poison mix nano powder, fall tar nicotine mixings nano powder, nitrosamine mixing nano powder falls in sterilization smoke abatement poison, oxygenation is fallen carbon monoxide CO mixing nano powder and formed, by it is characterized in that: form % by following proportion by weight

Claims (1)

1. a rich selenium germanium composite zeolite group poison-filterning cigarette mouth, is characterized in that: form % by following proportion by weight
Figure FSA0000102303700000011
(1) wherein mend selenium germanium oxidation and removing free radicals and mix nano powder, it is characterized in that: form % by following proportion by weight
Figure FSA0000102303700000012
(2) potent absorption smoke gasification compound benzo (a) pyrene mixing nano powder wherein, is characterized in that: form % by following proportion by weight
Figure FSA0000102303700000013
(3) wherein fall tar nicotine mixing nano powder, it is characterized in that: form % by following proportion by weight
Figure FSA0000102303700000014
(4) wherein nitrosamine mixing nano powder falls in sterilization smoke abatement poison, it is characterized in that: form % by following proportion by weight
Figure FSA0000102303700000021
(5) carbon monoxide mixing nano powder falls in oxygenation, it is characterized in that: form % by following proportion by weight
Figure FSA0000102303700000022
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Cited By (8)

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CN104307472A (en) * 2014-10-17 2015-01-28 甘成模 Modified molecular sieve used in cigarette filter tip, and preparation method of modified molecular sieve used in cigarette filter tip
CN104432499A (en) * 2014-11-06 2015-03-25 日照生命谷水素科技有限公司 Manufacturing method for detoxicating cigarette holder
CN104473328A (en) * 2014-12-02 2015-04-01 上海保养堂健康咨询有限公司 Cigarette tar filter agent and manufacturing method and use thereof
CN104770862A (en) * 2015-02-13 2015-07-15 南通蛇类治疗研究所 Selenium and germanium enriched nanometer plant medicine stone nicotine-free and tar-free cigarette
CN105559134A (en) * 2015-11-09 2016-05-11 南通蛇类治疗研究所 Cigarette additive containing natural medicines and stones, nano-elements and negative ions
CN105642016A (en) * 2016-01-13 2016-06-08 唐山立雄峰汇材料科技有限公司 Functional cigarette holder filter bag
CN110584197A (en) * 2019-08-15 2019-12-20 云南农业大学 Novel green pure natural cigarette smoke adsorbent
CN112166213A (en) * 2018-04-04 2021-01-01 尤尼弗瑞克斯 I 有限责任公司 Activated porous fibers and products including the same

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CN102885401A (en) * 2011-07-19 2013-01-23 夏涛 Efficient cigarette filter containing nano bamboo charcoal material
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CN101637307A (en) * 2009-06-16 2010-02-03 成进学 Cigarette fiber filter tip powerfully filtering off toxic matters and releasing microelement anions
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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104307472A (en) * 2014-10-17 2015-01-28 甘成模 Modified molecular sieve used in cigarette filter tip, and preparation method of modified molecular sieve used in cigarette filter tip
CN104307472B (en) * 2014-10-17 2016-05-11 甘成模 A kind of for cigarette filter modified molecular screen and preparation method
CN104432499A (en) * 2014-11-06 2015-03-25 日照生命谷水素科技有限公司 Manufacturing method for detoxicating cigarette holder
CN104473328A (en) * 2014-12-02 2015-04-01 上海保养堂健康咨询有限公司 Cigarette tar filter agent and manufacturing method and use thereof
CN104473328B (en) * 2014-12-02 2017-09-05 上海保养堂健康咨询有限公司 A kind of cigarette coke tar filtering agent and its manufacture method and purposes
CN104770862A (en) * 2015-02-13 2015-07-15 南通蛇类治疗研究所 Selenium and germanium enriched nanometer plant medicine stone nicotine-free and tar-free cigarette
CN105559134A (en) * 2015-11-09 2016-05-11 南通蛇类治疗研究所 Cigarette additive containing natural medicines and stones, nano-elements and negative ions
CN105642016A (en) * 2016-01-13 2016-06-08 唐山立雄峰汇材料科技有限公司 Functional cigarette holder filter bag
CN112166213A (en) * 2018-04-04 2021-01-01 尤尼弗瑞克斯 I 有限责任公司 Activated porous fibers and products including the same
CN110584197A (en) * 2019-08-15 2019-12-20 云南农业大学 Novel green pure natural cigarette smoke adsorbent

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