131 results about "Sidestream smoke" patented technology

The invention discloses a visible heating atomizing cigarette which comprises a cigarette body and a cigarette holder. The cigarette body comprises a heating area, an atomizing area and a power source area. The heating area, the atomizing area and the power source area of the cigarette body are sequentially communicated with the cigarette holder through an airflow channel. A case of the heating area is made of heat-insulating transparent materials. Tobacco shreds or remanufactured tobacco leaves are filled in the heating area. Heating wires are arranged between the case and the tobacco shreds. A liquid storing cavity is formed in the atomizing area. The liquid storing cavity is connected with an atomizer in the power source area. The power source area is formed by electrically connecting a battery, a control circuit, a pneumatic inductive switch and the atomizer. When the visible heating atomizing cigarette is burnt and smoked, a user can breathe mixed smoke which is generated after heating of the tobacco shreds and atomizing of fragrance into the mouth through suction, and the sucking effect which is the same as that of a common cigarette is achieved. The visible heating atomizing cigarette has the dual advantages of electronic cigarettes and electrical heating cigarettes and is large in smoke amount, the amount of released harmful ingredients can be reduced greatly, tar cannot be generated, harm of passive smoking and the smoke of side flowing are avoided, and the visible heating atomizing cigarette is an effective substitute of a traditional combustible cigarette.

The invention discloses a novel carbon heating electronic cigarette which is formed by a carbon heating area, an electronic atomization area and a cigarette holder in sequence. The carbon heating area, the electronic atomization area and the cigarette holder are separated one another through breathable partition plates. The carbon heating area is formed by a carbolic matter heat source, an aerosol forming part and a fragrance forming part in sequence. The electronic atomization area is formed by connecting a power supply, an atomizer and a liquid storage cavity electrically. The cigarette holder is a conventional cellulore filter stick. When the novel carbon heating electronic cigarette is sucked, the carbolic matter heat source heats aerosol forming matters and pipe tobacco to form aerosol, sucked airflow triggers a pneumatic inductive switch to be opened, the atomizer works, tobacco liquid in the liquid storage cavity is atomized to form smog, and the smog and the aerosol are sucked into a mouth. The novel carbon heating electronic cigarette integrates advantages of carbon heating type cigarettes and advantages of electronic cigarettes, is novel in appearance and easy to manufacture, does not generate sidestream gas, can meet requirements for cigarette fragrance and nicotine of a consumer, and is low in the content of tar and harmful ingredients.

Secondary smoke is harmful to passive smokers. A filter sleeve (1) comprises a sleeve (10) with a downstream portion (11) adapted for receiving inhale smoke into an inhalation flow path (13), an upstream portion (12) adapted for inhalation of said inhale smoke and for receiving exhale smoke into an exhalation flow path (14), filter means (15) provided along said exhalation flow path (14), and means (16) for checking reverse flow of ambient air through said exhalation flow path (14). A filter sheath (3) is adapted for overlaying a significant expanse of the sidestream smoke emission areas of a rod of smokable material (7), said filter sheath (3) is sufficiently porous and significantly unimpaired by combustion.

The invention relates to a needle-type electric heating cigarette system which comprises a power supply part, a heating part and a cigarette clamping part which are sequentially connected in a sealing manner. The needle-type electric heating cigarette system is characterized in that the power supply part mainly comprises a housing, a control circuit and a temperature display (11); the heating part mainly comprises a heating plate heat preservation and insulation layer (3), a heating plate (6) and a heating wire (5); the cigarette clamping part mainly comprises a barrel wall heat preservation and insulation layer (7) and a heating needle (4); the heating needle (4) is electrically connected with the heating wire (5), the control circuit and the temperature display (11); and the barrel wall heat preservation and insulation layer (7) is also provided with a gas inlet (8). According to the invention, applicability is greatly strengthened; a heater has a simple structure; cost of a heating element, a power supply, the control circuit, insulating materials and the like is low; the needle-type electric heating cigarette system is convenient to use; no or little sidestream smoke is generated, so that the emission amounts of harmful ingredients and environmental smoke of cigarettes are obviously reduced; and the needle-type electric heating cigarette system can become a tobacco technology widely applied in the future.

A cigarette for improving air quality by eliminating harmful substance from air features that a refined aromatic plant oil able to generate fumigation effect with the burning of tobacco shreds is sprayed onto the tobacco shreds for taking care of the health of smoker and cleaning air.

A device for minimizing cigarette sidestream smoke and reducing free-burn rate of a burning cigarette is disclosed. The device comprises a non-combustible tubular element encasing an effective length of a tobacco charge of a cigarette located in the tubular element. The tubular element minimizes sidestream smoke emission from a burning tobacco charge and reduces free-burn rate of such burning tobacco charge to increase the number of puffs from the burning tobacco charge.

The present invention discloses cigarette with tobacco encircled with two, one inner and one outer, layers of cigarette paper. The inner layer of cigarette paper contains inorganic stuffing 20-40 wt%, combustion assistant 6-10 wt% and essence 12-18 wt%; and the outer layer of cigarette paper contains inorganic stuffing 25-35 wt% and combustion assistant 5-10 wt%. The said inorganic stuffing is calcium carbonate, magnesium hydroxide, magnesia, trihydroxyl aluminum or their mixture; the combustion assistant is the mixture of potassium citrate and sodium citrate with weight ratio between potassium ion and sodium ion of 2-4; and the essence is one of menthyl palmitate, vanillin, menthyl carbonate and beta-carotene. The present invention can reduce the side flow fume of cigarette, lower tar and reduce fragrance loss.

The invention relates to a method for detecting chromium, nickel, arsenic, selenium, cadmium and lead in cigarette side-stream smoke. The method is characterized in that a fishtail cover is connected with a quartz fiber filter disc in series to collect particulate matters in the cigarette side-stream smoke, a triple-tandem nitrite acid solution is used for collecting gas phase matters in the side-stream smoke, a microwave digestion method is used for digesting samples, and the contents of chromium, nickel, arsenic, selenium, cadmium and lead in the particulate matter and gas phase matter samples are detected through ICP-MS (Inductively Coupled Plasma Mass Spectrometry). The method overcomes the defects of sample collecting and processing methods and detecting techniques in the prior art and fills the blank of domestic detecting techniques for heavy metal in the side-stream smoke. The fishtail cover is connected with the purified quartz fiber filter disc in series to collect the particulate matters in the side-stream smoke, so that the background interference is effectively reduced. A three-stage absorption bottle collects the gas phase matters in the side-stream smoke, so that the gas phase matters can be completely collected. The microwave digestion method treats the samples, so that the digestion effect is good, and the element loss is few. The ICP-MS is adopted for determination, so that the method is fast and accurate, high in sensitivity, good in repeatability and high in recovery rate.

A tobacco odor deodorant contains the components of at least two component groups selected from five component of (I) octanal, nonanal and / or decanal, (II) linalool, (III) carvone, (IV) methyl anthranilate and / or N-methyl anthranilate, and (V) sinensal and / or orange peel essential oil sinensal fraction.

A cigarette sidestream smoke treatment material made from a sheet of non-combustible active ingredients provides a porous structure for sidestream smoke treatment. The treatment material, when used in combination with conventional cigarette paper cigarettes, provides a cigarette unit that delivers low sidestream smoke. The porosity of the material facilitates the normal free burn rate of the cigarette. The material may contain an adsorbent capable of adsorbing sidestream smoke components and an oxygen storage component capable of releasing oxygen at the free burn rate temperature to ensure that the normal free burn rate is maintained and to enhance oxidation of the adsorbed non-water components. Preferably the material includes an oxidation catalyst, preferably the oxygen storage component also has dual functions as an oxidation catalyst. A particularly preferred component that performs a dual function is an oxide of cerium.

The invention discloses a discriminant analysis method for distribution ratio of volatile and semi-volatile components in a gas phase and a particle phase in cigarette mainstream smoke. The method comprises the following steps of putting a cigarette sample to be tested in a smoke generator to smoke the cigarette, using a filter to capture the particle-phase part of mainstream smoke generated by smoking the cigarette, using an absorber carried with absorbing agent to capture the gas-phase part of the mainstream smoke generated by smoking the cigarette, conducting treatment to the filter after the cigarette is fully smoked to obtain extract liquid, filtration is conducted and gas chromatography / mass spectrometry (GC / MS) analysis is conducted to filtrate; and the absorbing agent is taken and GS / MS analysis is directly conducted to the absorbing agent to obtain all components in gas-phase matters and particle-phase matters of the mainstream smoke, wherein the absorber is placed in an ice-water mixture cold-trap system with temperature which is kept at zero degree. The discriminant analysis method disclosed by the invention provides a basis for the determination of benzenes and other chemical components in the cigarette mainstream smoke and further provides reference data for more comprehensively knowing smoke components and improving cigarette smoking safety.

A collection and capture device for mainstream and sidestream smoke of cigarette comprises a cigarette clamping mechanism, a mainstream smoke passage, a sidestream smoke passage, a vacuum pump, a control system and an exhaust system. The cigarette clamping mechanism comprises a manual lip, a mainstream support column and an ash receiving tray, wherein the manual lip is used for fixing the cigarette and inhaling the mainstream smoke and has the rear end used for connecting with the mainstream smoke passage; and the ash receiving tray is placed blow the cigarette by a certain distance. The mainstream smoke passage is composed of a filter assembly, a mainstream absorption bottle, a gas flowmeter, a vacuum pump and a controller. The sidestream smoke passage is composed of a fishtail cover, a filter assembly, a sidestream absorption bottle, a gas flowmeter, a vacuum pump and a controller, wherein the position of the fishtail cover supported on the sidestream support column is adjustable. All the parts of the mainstream smoke passage and the sidestream smoke passage are connected through rubber tubes; the control end of the vacuum pump is connected with the controller and controlled by the controller. The controller is composed of a computer, a USB interface, a relay and a power supply.

The invention discloses a chemical heating low-temperature cigarette. The chemical heating low-temperature cigarette comprises a chemical reaction section, a heating section and a filter tip section, the chemical reaction section comprises a cavity containing liquid water, a first outer package and an adsorption ball adsorbing acid, sealing films are arranged on the two axial end faces of the cavity, the heating section comprises an inner cavity filled with solid alkali, a second outer package and an outer cavity filled with alkali particles and tobacco shreds, a pointed end is arranged on the end face, corresponding to the chemical reaction section, of the inner cavity, and a water permeable hole is formed in the side wall of the pointed end. Tobacco shreds are heated through the chemical reaction, the heating temperature is low, and injuries to environment and human health from sidestream smoke can be effectively reduced under the situation of not affecting releasing of tobacco flavoring compositions in the tobacco shreds. The chemical heating low-temperature cigarette is simple in structure, convenient to use, and beneficial to popularization of low-temperature cigarettes.

A low sidestream smoke cigarette comprises a conventional tobacco rod and a non-combustible treatment material for the rod. The treatment material has a porosity less than about 200 Coresta units and a sidestream smoke treatment composition. The treatment composition comprises, in combination, an oxygen storage and donor metal oxide oxidation catalyst and an essentially non-combustible finely divided porous particulate adjunct for said catalyst. In addition, the invention provides a low sidestream smoke cigarette unit that comprises a cigarette with conventional cigarette paper surrounding a conventional tobacco rod and a non-combustible treatment material surrounding and being substantially in contact with the conventional cigarette paper. The non-combustible treatment material comprises a sidestream smoke treatment composition, wherein the non-combustible treatment material has a porosity less than about 200 Coresta units and the treatment composition comprises, in combination, an oxygen storage and donor metal oxide oxidation catalyst and an essentially non-combustible finely divided porous particulate adjunct for said catalyst.

The invention discloses a smoke field measurement device based on a PIV system. The smoke field measurement device comprises the PIV system, a combustion chamber, an air cylinder and supports. The PIV system comprises a host, a control panel, a laser generator and a CCD camera, wherein the host, the control panel, the laser generator and the CCD camera are in circuit connection with one another. The combustion chamber is separated into a first combustion chamber body and a second combustion chamber body through a detachable separation board, center holes are formed in the middle of the separation board and the middle of the right side of the second combustion chamber body, an opening is formed in the left side of the first combustion chamber body, and sampling ports are formed in the top of the second combustion chamber body and the top of the first combustion chamber body. The air cylinder is detachably and transversely arranged on the right side face of the second combustion chamber body, and an air cylinder sampling port is formed in the top of a cylinder body. The supports are arranged under the first combustion chamber body, the second combustion chamber body, the air cylinder and a tension meter in a supporting mode. The invention further provides a smoke field measurement method based on the PIV system. The smoke field measurement device and method can be used for measuring a smoke field in a smoking combustion state or a smoldering state, can also be used for collecting main stream smoke and side stream smoke, and have integration and multifunctionality.

A double wrapper cigarette produced by a manufacturing machine and method according to the invention includes an inner wrapper (6) wrapped around a rod-like filler including a tobacco material, an outer wrapper (8) surrounding the inner wrapper (6), and a perfume emitting layer (10) provided between the inner wrapper (6) and the outer wrapper (8). The perfume emitting layer (10) includes a perfume material for weakening odor of sidestream smoke of the cigarette.

The invention relates to a method for detecting four tobacco-specific nitrosamines (TSNAs) in lateral exhaust gas of cigarettes by virtue of gas chromatography-tandem mass spectrometry. The method is characterized by comprising the steps of capturing the lateral exhaust gas of the cigarettes by virtue of a lateral fishtail cover preprocessed by an ascorbic acid solution and a Cambridge filter preprocessed by an ascorbic acid saturated methanol solution, washing the lateral fishtail cover with a hydrochloric acid solution, adding the washed hydrochloric acid solution and an TSNAs internal standard solution into a container in which the Cambridge filter is collected, extracting the Cambridge filter, processing extraction solution by virtue of a solid phase extraction column to obtain an eluate, drying the eluate with nitrogen, redissolving by virtue of dichloromethane to obtain a sample, and analyzing the sample by virtue of the gas chromatography-tandem mass spectrometry (GC-MS / MS). According to the method, the disadvantages of tedious preprocessing process, low detection sensitivity and strong matrix effect in an existing method are overcome, the preprocessing step of the sample is simplified, and the consumption of organic solvents is reduced; the method has the advantages that the detection is accurate, the sensitivity is high, and the repeatability is good.

The invention relates to a control method for realizing sustained release of smoke of heating non-combustion tobacco products. According to the control method, a heating device adopts the heating modecomprising a preheating stage I, as well as a thermal insulation stage II and a smoking stage III which are circularly and alternately carried out, wherein the circulating times of the thermal insulation stage II and the smoking stage III is 5-20 times. With the control method, the puff number can be controlled, the smoke amount is sufficient, the irritation is small, the aftertaste is clean, theobvious miscellaneous qi and residue do not exist, the strength is moderate, the temperature of the smoke is moderate and free of the burning heat sensation, and when not in smoking, no sidestream smoke is emitted.

The invention provides a novel color-developing agent luminosity analytical method for measuring hydrogen cyanide content in mainstream smoke quickly, which comprises the following steps of: pretreating a sample in which hydrogen cyanide in the mainstream smoke is collected, adding a color-developing agent, and quantifying by a luminosity analytical method, wherein the color-developing agent is 4-nitrobenzaldehyde and o-dinitrobenzene; preparing potassium cyanide (KCN) solution which is added with the color-developing agent and has different concentrations to make a standard curve; and quantifying the standard curve by an external standard method, adding the color-developing agent in a cigarette absorption liquid sample, and performing photometry detection at wavelength 533 nm by an ultraviolet spectrophotometer. In the method adopting the color-developing agent containing 4-nitrobenzaldehyde-o-dinitrobenzene, the selectivity and sensitivity are high, a reaction is completed instantaneously and the interference resistant capacity is high. In addition, the method is simple in operation, cigarette sidestream smoke can be detected, the HCN in smoke environment also can be analyzed qualitatively and semiquantitatively, and the method is also suitable for field detection.

The invention provides a preparation method of vanillin glucoside. The preparation method of the vanillin glucoside comprises firstly, using tetra-acetyl-bromo-glucose to react with vanillin to combine into tetra-acetyl-glucose vanillin, and using the tetra-acetyl-glucose vanillin to react with sodium methylate to obtain the vanillin glucoside. The vanillin glucoside has the advantages of being mild in reaction condition, safe, simple in procedure, easy to industrially produce, and the like. When the vanillin glucoside is applied in tobacco, the vanillin glucoside is capable of obviously improving richness of cigarette aromas, and reducing irritation of side flow smoke, and meanwhile is incapable of increasing cost of cigarette production, and therefore the vanillin glucoside has wide application prospects in tobacco industry.

The invention discloses a method for measuring the ammonia content of sidestream smoke of cigarettes. The method comprises the steps of preparation of a standard working solution, suction of the cigarettes, pretreatment of a sample, preparation of a solution to be measured, analysis with a chromatographic instrument, making of a standard working curve and calculation of a sample result. According to the method, the ammonia content of the sidestream smoke of the cigarettes is measured by adopting ion chromatography for the first time, and methods for capturing ammonia in the sidestream smoke of the cigarettes, namely specific capturing methods for a particulate matter (a filter disc) and gas-phase matters (a fishtail cover and an absorption bottle), are determined; the method is simple, quick, accurate, high in sensitivity and suitable for the measurement of ammonia content of the sidestream smoke of the cigarettes, and interference caused by impurity ions can be avoided.

The invention discloses a detection method for cigarette sidestream smoke aerosol, which is suitable for medium-tar-concentration cigarette sidestream smoke. The method comprises the following steps: the sidestream smoke of a cigarette sample is collected by a fishtail hood, is primarily diverted by an auxiliary suction source to form a sample stream 3 and is secondarily diverted by a diluter, and the inlet / outlet air amount of the diluter is regulated to realize quantitive diluting, thereby forming a sample stream 4 the flow rate of which is 10-40 L / min; and meanwhile, the sample stream 3 isregulated so as to regulate the auxiliary suction source, so that the environment air flow rate becomes 200+ / -30 mm / s, thereby meeting the effective detection range of the aerosol detector and requirements of cigarette sample detection for the environment air flow standard. Thus, the invention obtains a reliable detection result for the medium-tar-concentration cigarette sidestream smoke aerosol.

The invention discloses a novel tobacco production method. The novel tobacco production method includes rolling tobacco leaves into a cigarette, controlling the cigarette to smoke, keeping smoking speed at the uniform speed and reducing smoldering of the cigarette as far as possible, respectively collecting gas phase substances and particle phase substances of mainstream smoke, mixing the collected gas phase substances and particle phase substances to obtain mixture, applying the mixture on a carrier as coating liquid to obtain a novel tobacco product. On the basis of development demands of the conventional tobacco planting industry, started from changing the conventional cigarette production technology, 'burning before a conventional cigarette is smoked' is carried out in advance in the process of manufacturing of the cigarette. On the basis of effectively reducing burning and smoking during cigarette consumption, the problem of passive smoking due to sidestream smoke generated during smoking of consumers is evidently reduced, and the technical base for meeting the requirement of people for cigarette aroma to the higher degree is provided.

A low sidestream smoke cigarette comprises a conventional tobacco rod, and a combustible treatment paper having a sidestream smoke treatment composition. The treatment composition comprises in combination, an oxygen storage and donor metal oxide oxidation catalyst and an essentially non-combustible particulate adjunct for said catalyst. Improvements are made in the treatment composition and / or the addition of metal oxides or carbonates thereto to improve ash characteristics.

The invention discloses a method for determining the contents of monomethylamine and monoethylamine in a side-stream smoke gas of a cigarette through ion chromatography. The method includes following steps: capturing the monomethylamine and the monoethylamine, treating a smoke gas sample of a cigarette, preparing a stock solution and a standard operation solution, and respectively performing ion chromatographic analysis to supernatant liquids. By means of the method, accurate determination of the monomethylamine and the monoethylamine can be achieved and defects that a derivatization-gas chromatographic method, which is used for determining the monomethylamine and the monoethylamine in a main-stream smoke gas of the cigarette in the prior art, is complex in operations, needs a long time and much labor intensity and is difficult in accurate quantitation are overcome. The method is simple in pre-treatment, is accurate, is high in sensitivity and is good in repeatability. According to distributing situations of the monomethylamine and the monoethylamine in a gas phase and a granular phase in the side-stream smoke gas, the gas phase and the granular phase are respectively treated and detected individually so that the method is more reasonable theoretically and the distributing situations of the the monomethylamine and the monoethylamine in the gas phase and the granular phase are convenient to master.

Methods for treating tobacco which result in the reduction of selected compounds from the tobacco smoke, and corresponding smoking articles containing this treated tobacco, are disclosed. In these methods, a solution containing a palladium salt is applied to the tobacco, preferably by spraying. The palladium salt preferably contains nitrate, chloride, acetate, citrate, gluconate, or salicylate as the anion. After application of the solution, the tobacco is preferably dried in an oven, by forced air, or by natural evaporation. The palladium in the treated tobacco results in the reduction in the level of polycyclic aromatic hydrocarbons, especially benzo(a)pyrene, from the total particulate matter in mainstream and sidestream smoke of the treated tobacco. The addition of mannitol and / or urea to the tobacco, and introduction of ventilation in a cigarette containing the treated tobacco, enhance the ability of palladium to reduce the level of polycyclic aromatic hydrocarbons in the smoke.

The invention relates to a three-stage trapping method of cigarette mainstream smoke for smoke toxicity detection, which belongs to the technical field of cigarette smoke safety evaluation. The three-stage trapping method comprises the following steps: first-stage trapping: Cambridge filter trapping, second-stage trapping: PBS (polybutadiene styrene) solution trapping and third-stage trapping: organic solvent trapping, wherein in the second-stage trapping of the cigarette mainstream smoke, the PBS solution the pH value of which is 7.4 is adopted to trap the water-soluble components of the gas phase matter of the mainstream smoke, and in the third-stage trapping of the cigarette mainstream smoke, 70 percent of glycerol is adopted to trap the organic phase components of the gas phase matter of the mainstream smoke. The invention has the advantages of improving the trapping grade of the cigarette mainstream smoke, increasing the trapping comprehensiveness and the trapping efficiency of the smoke, promoting the accuracy and the scientificity of the smoke toxicity detection and the like.

The invention discloses a method used for detecting caffeic acid content in cigarette sidestream smoke by high performance liquid chromatography-tandem mass spectrum. The method comprises following steps: (1) total particulate matters in smoke are collected by a fishtail cover and a filter disc; (2) the filter disc is placed in a methanol solution containing internal standard substances for extraction so as to obtain an extract; (3) the extract is filtered, and then is detected by a high performance liquid chromatography-tandem mass spectrometer; and (4) the content of caffeic acid is quantitatively analyzed by internal standard method. According to the method used for detecting caffeic acid content in cigarette sidestream smoke by high performance liquid chromatography-tandem mass spectrum, pre-treatment is simple, separating effect is excellent, qualitative analysis is accurate, sample analysis time is short, and detection sensitivity is high.