CN109430943A - It is a kind of to heat the cigarette temperature descending section and preparation method thereof that do not burn - Google Patents
It is a kind of to heat the cigarette temperature descending section and preparation method thereof that do not burn Download PDFInfo
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- CN109430943A CN109430943A CN201811606028.4A CN201811606028A CN109430943A CN 109430943 A CN109430943 A CN 109430943A CN 201811606028 A CN201811606028 A CN 201811606028A CN 109430943 A CN109430943 A CN 109430943A
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Abstract
The cigarette temperature descending section that do not burn is heated the present invention relates to a kind of, it is made of heat-insulated paper tube with by the water-absorbent material particle in its pipe.The water-absorbent material is selected from water absorbing agent, Bibulous Silica Gel, absorbent cotton, sponge, Sodium Polyacrylate or desiccant, and the sheathing paper is corrugated paper.Temperature descending section of the present invention passes through the absorption to vapor in flue gas, outer layer uses scalding-proof paper, so as to which flue-gas temperature is effectively reduced, it improves consumer and aspirates experience, tar content and harmful smoke are reduced while retaining this perfume of tobacco and amount of smoke, flue gas weakens the murder by poisoning of human body significantly, meet consumer at heart and physiological requirement.
Description
[technical field]
The invention belongs to technical field of tobacco processing.The cigarette cooling more particularly it relates to which a kind of heating is not burnt
Section further relates to the preparation method for heating the cigarette temperature descending section that do not burn.
[background technique]
Heating do not burn cigarette be it is a kind of tobacco material rather than the cigarette of burning tobacco substance are heated by electronic equipment,
Open fire and cigarette ash are not generated during this cigarette smoking, it is environmentally friendly, aspirate consumer by electronics heating equipment
Tobacco flavor can be experienced when cigarette, while reducing and generating harmful substance in burning high temperature pyrolysis in conventional cigarette, be consumer
The smoking of healthy formula provide an effective approach, such smoking mode is at home and abroad increasingly come popular, has formed one
The consumer group of considerable scale.
Heating not burning type tobacco product by it is luxuriant and rich with fragrance not, Reynolds, Great Britain and America, the large-scale international tobacco company such as day cigarette develop grind earliest
System, in particular for heating, burning type Cigarette has not carried out intellectual property layout.The IQOS type heating that phenanthrene is not released is not
Smoke grenade structure described in US20140305448A1 of burning is that quaternary is compound, temperature descending section therein for polylactic acid film rolls and
At playing the role of cooling in aspiration procedure, but can find that polylactic acid film has the phenomenon that drop-head and melting after aspirating
Occur, heating do not burn cigarette product at present also in early days of growth, still remain many problems, wherein especially core the problem of
It is that the former mouthfuls of temperature of suction for heating the cigarette that do not burn are higher, limits its marketing to a certain extent, embody
: the problems such as flue-gas temperature is high, flue gas suction homogeneity is poor.
Cigarette structure, heating side and heater class are focused primarily upon about the research for heating the cigarette that do not burn both at home and abroad at present
Type etc., and rarely have pertinent literature and patent report using material for temperature descending section in cigarette structure.It is additional to state according to Zhou Kun et al.
It is 60-80% that the hot cigarette that do not burn, which reports that the granule phase substance moisture content of wherein main flume reaches moisture accounting in phase object, is to pass
10-20 times of moisture content in system cigarette, the research of the invention finds that the moisture in granule phase substance releases as water vapor,
Hot former mouthfuls of flue-gas temperatures are to be generated due to vapor as flue gas is taken out of, for many skills of the prior art
Art defect, the present inventor have been carried out a large amount of test and analysis, have been completed finally by using conventional water-absorbent material and sheathing paper
The present invention.
[summary of the invention]
[technical problems to be solved]
The cigarette temperature descending section that do not burn is heated the object of the present invention is to provide a kind of.
It is a further object to provide the preparation methods for heating the cigarette temperature descending section that do not burn.
[technical solution]
The present invention is achieved through the following technical solutions.
The cigarette temperature descending section that do not burn is heated the present invention relates to a kind of.The heating do not burn cigarette temperature descending section by heat-insulated paper tube with
It is made of the water-absorbent material particle in its pipe.
A preferred embodiment of the invention, the water-absorbent material are selected from water absorbing agent, Bibulous Silica Gel, degreasing
Cotton, sponge, Sodium Polyacrylate or desiccant.
According to another preferred method of implementation of the present invention, the water absorbing agent is starch derivatives, cellulose derivative
Or synthetic resin；The desiccant is anhydrous calcium chloride, silica gel, montmorillonite or molecular sieve.
According to another preferred method of implementation of the present invention, the water absorbing capacity of the water-absorbent material is the water that it contains
It is 10-1000 times of its water-absorbent material own wt.
According to another preferred method of implementation of the present invention, the surface area of the water-absorbent material is 28~110mm2。
According to another preferred method of implementation of the present invention, the water-absorbent material particle has spherical shape, pentagon, disk
The shape of shape, capsule shape or cylinder.
According to another preferred method of implementation of the present invention, the water-absorbent material particle size is 1.0~2.4mm.
According to another preferred method of implementation of the present invention, the sheathing paper is corrugated paper, made of corrugated paper
1~5 water-absorbent material particle is packed into heat-insulated paper tube.
According to another preferred method of implementation of the present invention, the circumference of the heat-insulated paper tube is 16.0~24.5mm.
The heating of the temperature descending section according to the present invention is not burnt the preparation method of cigarette, it is characterised in that the preparation method
Preparation step is as follows:
Temperature descending section is made to the water-absorbent material and sheathing paper using cigarette machine, then according to desired cigarette structure,
The temperature descending section is cut using cigarette cutter, then compound with fillter section with supporting section, it is non-ignitable then to obtain the heating
Burn cigarette.
The present invention is described in more detail below.
The cigarette temperature descending section that do not burn is heated the present invention relates to a kind of.The heating do not burn cigarette temperature descending section by heat-insulated paper tube with
It is made of the water-absorbent material particle in its pipe.
According to the present invention, the water-absorbent material be selected from water absorbing agent, Bibulous Silica Gel, absorbent cotton, sponge, Sodium Polyacrylate or
Desiccant.
Wherein, the water absorbing agent is starch derivatives, cellulose derivative or synthetic resin；
In the present invention, starch derivatives is it should be understood that be made from starch, through physics, chemical process or biotechnology
Processing improves its process operation performance, expands starch application range and become starch derivatives life on the basis of starch inherent characteristic
Object, it includes crosslinked starch, phosphate ester starch, oxidized starch etc..The starch derivatives that the present invention uses all is currently on the market
The product of sale, for example, sold by Shanghai Yu Tao Industrial Co., Ltd. with trade name crosslinked starch crosslinked starch, by De Zhourun
Phosphate ester starch that moral starch Co., Ltd is sold with trade name phosphate ester starch, by Dezhou Run De starch Co., Ltd with commodity
The oxidized starch of name oxidized starch sale.
Cellulose derivative is it should be understood that with chemical reagent esterification or etherificate are occurring for the hydroxyl in cellulosic polymer
Obtained product after reaction.Cellulose esters analog derivative is cellulose nitrate, cellulose ethanoate, cellulose acetate fourth
Acid esters and cellulose xanthate.Cellulose ether derivatives are methylcellulose, carboxymethyl cellulose, ethyl cellulose, hydroxyl second
Base cellulose, cyanethyl cellulose, hydroxypropyl cellulose and hydroxypropyl methyl cellulose etc., there are also ester ether mixed derivatives.This
Inventing the cellulose derivative used is all current market sales of product, such as by Beijing Suo Laibao scientific & technical corporation with commodity
Name nitrocellulose filter sale cellulose nitrate, by Renqiu City Jin Yu Chemical Co., Ltd. with trade name hydroxymethyl cellulose
The methylcellulose of sale is mixed by Foochow Persian Gulf Chemical Co., Ltd. with the cellulose esters ether that trade name cellulose esters is sold
Derivative.
Synthetic resin is it should be understood that containing the cation type resin of a large amount of strong acid group, containing a large amount of highly basic
The anionic type resin of property group or simultaneously the ion amphoteric type resin containing acidic-group and basic group, these resins
It is all current market sales of product, such as by Langfang Lan Miao chemical building material Co., Ltd with trade name macropore strong acid benzene second
Alkene system sale cation type resin, by Langfang Lan Miao chemical building material Co., Ltd with trade name macroporous strong basic styrene series
The anionic type resin of sale adsorbs amino-acid, fatty-acid phenol pin by Ke Haisi (Beijing) Science and Technology Ltd. with trade name
The amphoteric type resin sold.
In the present invention, Bibulous Silica Gel is it should be understood that a kind of solid silicone to be reddened with water suction by blue, it is mesh
Preceding product available on the market, such as by Qingdao Qing Yang silica gel Co., Ltd with the silica gel of trade name discoloration silica gel sale.
For absorbent cotton it should be understood that a kind of with the chemically treated cotton balls for sloughing fat, it is current market sales of
Product, such as the absorbent cotton sold by Xinghua City health absorbent cotton Co., Ltd with trade name medical absorbent cotton.
Sponge is it should be understood that one kind has good water imbibition as made of wood cellulose fibers or foamed plastic polymer
Porous material, it is current market sales of product, such as tries to win favour Ward new material company by Puyang with trade name nanometer
The sponge of sponge sale.
Sodium Polyacrylate has the characteristic of strong water-retaining property, it is current market sales of product, such as easily positive by Zhengzhou
The Sodium Polyacrylate that chemical products Co., Ltd is sold with trade name PAAS.
The desiccant is anhydrous calcium chloride, silica gel, montmorillonite or molecular sieve.The anhydrous calcium chloride example that the present invention uses
Creating product, montmorillonite that Chemical Co., Ltd. is sold with trade name calcium chloride by Weifang in this way is, for example, by Guangzhou longitude and latitude mining industry
Product that Science and Technology Ltd. is sold with trade name montmorillonite, molecular sieve are, for example, to have recruit to sieve Co., Ltd with quotient by Shanghai
The product of name of an article activated alumina sale.
The heat-insulated paper tube that the present invention uses is product usually used in technical field of tobacco processing, is e.g. closed by Wenzhou
The heat-insulated paper tube that jump packing Co., Ltd. is sold with trade name paper tube.
The sheathing paper is corrugated paper, and the circumference of the tube of corrugated paper is 16.0~24.5mm.Made of paper with corrugation
At heat-insulated paper tube in be packed into 1~5 water-absorbent material particle.
According to the present invention, it is its water-absorbent material own wt that the water absorbing capacity of the water-absorbent material, which is the water that it contains,
10-1000 times.If the water absorbing capacity of water-absorbent material is lower than 10 times, water vapour content increases in flue gas, keeps flue gas hot；Such as
The water absorbing capacity of fruit water-absorbent material is higher than 1000 times, then flue gas moisture content, so that flue gas is dry, oral stimulation is obvious；Cause
This, it is reasonable, preferably 120-850 that the water absorbing capacity of water-absorbent material, which is 10-1000 times,.
The surface area of the water-absorbent material is 28~110mm2.If the surface area of water-absorbent material is less than 28mm2, then with
Smoke contacts area is smaller, cannot be fully absorbed the vapor in flue gas；If the surface area of water-absorbent material is greater than 110mm2,
Then particle volume becomes larger, and the gap between particle becomes larger, and can not fully absorb the vapor in flue gas；Therefore, water-absorbent material
Surface area be 28~110mm2It is suitable；Preferably 42~95mm2。
The water-absorbent material particle has the shape of spherical shape, pentagon, disc, capsule shape or cylinder.
The water-absorbent material particle size is 1.0~2.4mm.The water-absorbent material particle size is more than the model
It is worthless for enclosing, this is because the diameter of cigarette is between 5-8mm at present, the excessive too small resistance to suction to cigarette of particle size is all
It will affect.
The heating of the temperature descending section according to the present invention is not burnt the preparation method of cigarette, it is characterised in that the preparation method
Preparation step is as follows:
Temperature descending section is made to the water-absorbent material and sheathing paper using cigarette machine, then according to desired cigarette structure,
The temperature descending section is cut using cigarette cutter, then compound with fillter section with supporting section, it is non-ignitable then to obtain the heating
Burn cigarette.
According to following examination criterias and detection method, do not burn volume to containing the do not burn heating of temperature descending section of present invention heating
Main flume temperature and the Smoke Particulate of cigarette are detected:
Cigarette smoking model as defined in YC/T29-1996 carries out simulation smoking according to national standards, and heater IQOS makes
With K-type electric thermo-couple temperature detector to the present invention heating do not burn tobacco product suction when in cigarette filter rod middle section center
Temperature.
Using the rotary smoking machine of detecting instrument RM200A and HP7890 gas chromatograph, according to examination criteria GB/T
19609-2004, GB/T23203.1-2008, GB/T23355-2009 and GB/T23356-2009 have carried out Smoke Particulate inspection
It surveys.
Control sample temperature descending section is that polylactic acid film heats do not burn tobacco product (control) and market regular-size cigarette (routine
Cigarette) same detection has also been carried out, these testing results are listed in Table 1 below.
[beneficial effect]
The beneficial effects of the present invention are:
The temperature for suction of not burning is heated about at 300-500 DEG C, starts to aspirate the relatively boiling hotter mouth of former mouthfuls of flue gases.By inspection
Surveying analysis and heating moisture accounting in the cigarette mainstream smoke condensate that do not burn is 60-80%, is moisture content in traditional cigarette
It 10-20 times, is released with vapor form, from smoke grenade thermogravimetric curve this it appears that water weightless temperature section is 70-120
DEG C, and the specific heat ratio of water is larger, hot former mouthfuls of flue-gas temperatures are to be generated due to vapor as flue gas is taken out of, this hair
For publicly price-reduction temperature section by the absorption to vapor in flue gas, outer layer uses scalding-proof paper, so as to which flue-gas temperature is effectively reduced, improves
Consumer aspirates experience, reduces tar content and harmful smoke while retaining this perfume of tobacco and amount of smoke, flue gas is to human body
Murder by poisoning weaken significantly, meet consumer at heart and physiological requirement.
[specific embodiment]
It will be better understood that the present invention by following embodiments.
Embodiment 1: the present invention heats the cigarette temperature descending section that do not burn
The embodiment of the embodiment is as follows:
The heating cigarette temperature descending section that do not burn is made of heat-insulated paper tube with by the water-absorbent material particle in its pipe, in which:
Water-absorbent material particle is the starch derivatives sold by Shanghai Yu Tao Industrial Co., Ltd. with trade name crosslinked starch
Water-absorbent material spheric granules；The surface area of the water-absorbent material particle is 56mm2；The water-absorbent material particle size is
2.2mm；The water absorbing capacity of the water-absorbent material is 400 times that the water that it contains is its water-absorbent material own wt；
The heat-insulated paper tube is made of the corrugated paper sold Wenzhou He Yue packing Co., Ltd. with trade name paper tube
The heat-insulated paper tube of a length of 16mm of circumference, wherein being packed into 2 above-mentioned water-absorbent material particles；
Temperature descending section is made to the water-absorbent material particle and sheathing paper pipe using cigarette machine, then according to desired cigarette
Structure is cut institute's temperature descending section using cigarette cutter, then with supporting section and fillter section are compound obtains the heating and do not burn volume
Cigarette.Flue-gas temperature and Smoke Particulate detection are carried out according to the method for present specification description, testing result is listed in the table below 1
In.
Embodiment 2: the present invention heats the cigarette temperature descending section that do not burn
The embodiment of the embodiment is as follows:
The heating cigarette temperature descending section that do not burn is made of heat-insulated paper tube with by the water-absorbent material particle in its pipe, in which:
Water-absorbent material particle is by Qingdao Qing Yang silica gel Co., Ltd with the Bibulous Silica Gel five of trade name discoloration silica gel sale
Angular particle；The surface area of the water-absorbent material particle is 86mm2；The water-absorbent material particle size is 2.4mm；It is described
Water-absorbent material water absorbing capacity be that its water for containing is its water-absorbent material own wt 1000 times；
The heat-insulated paper tube is made of the corrugated paper sold Wenzhou He Yue packing Co., Ltd. with trade name paper tube
The heat-insulated paper tube of a length of 22mm of circumference, wherein being packed into 1 above-mentioned water-absorbent material particle；
Temperature descending section is made to the water-absorbent material particle and sheathing paper pipe using cigarette machine, then according to desired cigarette
Structure is cut institute's temperature descending section using cigarette cutter, then with supporting section and fillter section are compound obtains the heating and do not burn volume
Cigarette.Flue-gas temperature and Smoke Particulate detection are carried out according to the method for present specification description, testing result is listed in the table below 1
In.
Embodiment 3: the present invention heats the cigarette temperature descending section that do not burn
The embodiment of the embodiment is as follows:
The heating cigarette temperature descending section that do not burn is made of heat-insulated paper tube with by the water-absorbent material particle in its pipe, in which:
Water-absorbent material particle is the sponge capsule that Ward new material company sold with trade name nanosponges of being tried to win favour by Puyang
Shape particle；The surface area of the water-absorbent material particle is 74mm2；The water-absorbent material particle size is 1.0mm；Described
The water absorbing capacity of water-absorbent material is 10 times that the water that it contains is its water-absorbent material own wt；
The heat-insulated paper tube is made of the corrugated paper sold Wenzhou He Yue packing Co., Ltd. with trade name paper tube
The heat-insulated paper tube of a length of 20mm of circumference, wherein being packed into 3 above-mentioned water-absorbent material particles；
Temperature descending section is made to the water-absorbent material particle and sheathing paper pipe using cigarette machine, then according to desired cigarette
Structure is cut institute's temperature descending section using cigarette cutter, then with supporting section and fillter section are compound obtains the heating and do not burn volume
Cigarette.Flue-gas temperature and Smoke Particulate detection are carried out according to the method for present specification description, testing result is listed in the table below 1
In.
Embodiment 4: the present invention heats the cigarette temperature descending section that do not burn
The embodiment of the embodiment is as follows:
The heating cigarette temperature descending section that do not burn is made of heat-insulated paper tube with by the water-absorbent material particle in its pipe, in which:
Water-absorbent material particle is the degreasing sold by Xinghua City health absorbent cotton Co., Ltd with trade name medical absorbent cotton
Cotton disc particle；The surface area of the water-absorbent material particle is 28mm2；The water-absorbent material particle size is 1.4mm；
The water absorbing capacity of the water-absorbent material is 200 times that the water that it contains is its water-absorbent material own wt；
The heat-insulated paper tube is made of the corrugated paper sold Wenzhou He Yue packing Co., Ltd. with trade name paper tube
The heat-insulated paper tube of a length of 22mm of circumference, wherein being packed into 4 above-mentioned water-absorbent material particles；
Temperature descending section is made to the water-absorbent material particle and sheathing paper pipe using cigarette machine, then according to desired cigarette
Structure is cut institute's temperature descending section using cigarette cutter, then with supporting section and fillter section are compound obtains the heating and do not burn volume
Cigarette.Flue-gas temperature and Smoke Particulate detection are carried out according to the method for present specification description, testing result is listed in the table below 1
In.
Embodiment 5: the present invention heats the cigarette temperature descending section that do not burn
The embodiment of the embodiment is as follows:
The heating cigarette temperature descending section that do not burn is made of heat-insulated paper tube with by the water-absorbent material particle in its pipe, in which:
Water-absorbent material particle is the Sodium Polyacrylate sold by Zhengzhou Yi Yang chemical products Co., Ltd with trade name PAAS
Cylindrical particle；The surface area of the water-absorbent material particle is 110mm2；The water-absorbent material particle size is 1.6mm；
The water absorbing capacity of the water-absorbent material is 600 times that the water that it contains is its water-absorbent material own wt；
The heat-insulated paper tube is made of the corrugated paper sold Wenzhou He Yue packing Co., Ltd. with trade name paper tube
The heat-insulated paper tube of a length of 24.5mm of circumference, wherein being packed into 5 above-mentioned water-absorbent material particles；
Temperature descending section is made to the water-absorbent material particle and sheathing paper pipe using cigarette machine, then according to desired cigarette
Structure is cut institute's temperature descending section using cigarette cutter, then with supporting section and fillter section are compound obtains the heating and do not burn volume
Cigarette.Flue-gas temperature and Smoke Particulate detection are carried out according to the method for present specification description, testing result is listed in the table below 1
In.
Embodiment 6: the present invention heats the cigarette temperature descending section that do not burn
The embodiment of the embodiment is as follows:
The heating cigarette temperature descending section that do not burn is made of heat-insulated paper tube with by the water-absorbent material particle in its pipe, in which:
Water-absorbent material particle is that have recruit to sieve the molecular sieve that Co., Ltd is sold with trade name activated alumina by Shanghai
Capsule shape particle；The surface area of the water-absorbent material particle is 92mm2；The water-absorbent material particle size is 1.8mm；Institute
The water absorbing capacity for the water-absorbent material stated is 800 times that the water that it contains is its water-absorbent material own wt；
The heat-insulated paper tube is made of the corrugated paper sold Wenzhou He Yue packing Co., Ltd. with trade name paper tube
The heat-insulated paper tube of a length of 18mm of circumference, wherein being packed into 2 above-mentioned water-absorbent material particles；
Temperature descending section is made to the water-absorbent material particle and sheathing paper pipe using cigarette machine, then according to desired cigarette
Structure is cut institute's temperature descending section using cigarette cutter, then with supporting section and fillter section are compound obtains the heating and do not burn volume
Cigarette.Flue-gas temperature and Smoke Particulate detection are carried out according to the method for present specification description, testing result is listed in the table below 1
In.
The heating of 1 temperature descending section containing absorptive substance of table is not burnt cigarette smoke temperature and Smoke Particulate testing result
The of the invention heating containing absorptive substance temperature descending section is not burnt cigarette cigarette it can be seen from the result that table 1 is listed
Temperature degree is lower than control sample smoke grenade, and as the surface area of absorbent material increases, flue-gas temperature reduction is more obvious；With routine
Cigarette is compared, and the present invention heats tar content in the flue gas aerosol that do not burn and reduces up to 63.5%；Carbon monoxide at least reduces
90%, and glycerol and water ratio dramatically increases, temperature descending section of the present invention is by the way that water vapor absorption in flue gas, outer layer uses anti-scald
Paper improves consumer and aspirates experience, this perfume of tobacco and cigarette are retained compared with conventional cigarette so as to which flue-gas temperature is effectively reduced
Tar content and harmful smoke are reduced while mist amount, flue gas weakens the murder by poisoning of human body significantly, meet consumer at heart and
Physiological requirement.
Claims (10)
- The cigarette temperature descending section 1. a kind of heating is not burnt, it is characterised in that it is by heat-insulated paper tube and by the water-absorbent material particle in its pipe Composition.
- 2. temperature descending section according to claim 1, it is characterised in that the water-absorbent material be selected from water absorbing agent, Bibulous Silica Gel, Absorbent cotton, sponge, Sodium Polyacrylate or desiccant.
- 3. temperature descending section according to claim 2, it is characterised in that the water absorbing agent is starch derivatives, cellulose derivative Object or synthetic resin；The desiccant is anhydrous calcium chloride, silica gel, montmorillonite or molecular sieve.
- 4. temperature descending section according to claim 1 or 2, it is characterised in that the water absorbing capacity of the water-absorbent material is that it contains Water be 10-1000 times of its water-absorbent material own wt.
- 5. temperature descending section according to claim 1 or 2, it is characterised in that the surface area of the water-absorbent material is 28~ 110mm2。
- 6. temperature descending section according to claim 1, it is characterised in that the water-absorbent material particle have spherical shape, pentagon, Disc, pentagon, capsule shape or cylinder shape.
- 7. temperature descending section according to claim 1, it is characterised in that the water-absorbent material particle size is 1.0~2.4mm.
- 8. temperature descending section according to claim 1, it is characterised in that the sheathing paper is corrugated paper, is made with corrugated paper Heat-insulated paper tube in be packed into 1~5 water-absorbent material particle.
- 9. temperature descending section according to claim 1, it is characterised in that the circumference of the heat-insulated paper tube is 16.0~24.5mm.
- The preparation side of cigarette 10. a kind of heating with temperature descending section described in any one of claim 1-9 claim is not burnt Method, it is characterised in that the preparation step of the preparation method is as follows:Temperature descending section is made using cigarette machine water-absorbent material described in any one of claim 1-9 claim and sheathing paper, Then according to desired cigarette structure, the temperature descending section is cut using cigarette cutter, then compound with fillter section with supporting section, Then the heating is obtained not burn cigarette.
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| CN201811606028.4A CN109430943A (en) | 2018-12-27 | 2018-12-27 | It is a kind of to heat the cigarette temperature descending section and preparation method thereof that do not burn |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111150107A (en) * | 2019-11-04 | 2020-05-15 | 深圳市你我网络科技有限公司 | Heat not burn equipment and its acid reduction device |
| CN112056634A (en) * | 2020-10-10 | 2020-12-11 | 云南中烟工业有限责任公司 | Method for controlling electric heating smoking set to heat cigarettes |
| CN112369660A (en) * | 2020-01-16 | 2021-02-19 | 湖北中烟工业有限责任公司 | Cooling filter rod and low-temperature cigarette with same |
| CN115777990A (en) * | 2022-12-15 | 2023-03-14 | 福建中烟工业有限责任公司 | Preparation and application of a granular material with both cooling and harm reduction functions |
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