CN105410992B - A kind of carbon heat source having both self-extinguishment and anti-drop function - Google Patents
A kind of carbon heat source having both self-extinguishment and anti-drop function Download PDFInfo
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- CN105410992B CN105410992B CN201510891155.3A CN201510891155A CN105410992B CN 105410992 B CN105410992 B CN 105410992B CN 201510891155 A CN201510891155 A CN 201510891155A CN 105410992 B CN105410992 B CN 105410992B
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Abstract
The invention discloses a kind of carbon heat source for having both self-extinguishment and anti-drop function, the carbon heat source is the cylindric of 10~20mm of length, and one end is freely hanging, referred to as free segment, the other end is fixed, referred to as fixed section, and the ratio of the fixed section length and entire carbon heat source length is 1:4；500-1500 μm of a thickness, the expanding layer of length and fixed section equal length are coated on the surface of the fixed section.Carbon heat source of the present invention be used for low-temperature heat type cigarette, avoid glass caused by the cladding of the heat-insulating materials such as glass fibre sucking human body harm, do not extinguish when also avoiding carbon heat source for after-flame and ignite cigarette rest part the problem of.
Description
One, technical field
The present invention relates to a kind of carbon heat sources for having both self-extinguishment and anti-drop function, belong to new tobacco products field.
Two, background technique
Low-temperature heat type cigarette, which is generally passed to satisfaction and tobacco flavor by way of heating not burning tobacco, to disappear
Fei Zhe adapts to and meets to a certain extent the physiological requirements of consumer, and the mode of " heating is not burnt " makes tobacco only simultaneously
(300-500 DEG C of ideal temperature section) is heated at a lower temperature, can effectively be greatly reduced in flue gas it is a variety of it is harmful at
Point.Its implementation is usually to be physically isolated tobacco and heat source, and therefore, heat source is the core of its design.Wherein, carbonaceous
Heat source because have many advantages, such as safety and stability, quickly and efficiently, it is cheap, it has also become one of main heating source of low temperature cigarette.To make
Carbon heat source is easy to light, and heat is made effectively to pass to fragrance section, and carbon heat source generally requires higher hole in design
Gap rate and high specific surface area are easy to collapse and fall off when this makes carbon heat source burn.To prevent carbon heat source from falling off, patent
CN102458165A, US4714082 and CN1886069A are coated with glass fibre sleeve.But glass fibre exists
Can inevitably fall off during packed and transported etc. and be adsorbed to that side of filter tip, make smoker may in glass fibre suction body,
Harm health.In addition, in carbon heat source after-flame, it is desirable to be able to self-extinguishment, to prevent carbon heat source from will not ignite low-temperature heat type
The rest part of cigarette.Patent CN 1040496A then proposes a kind of method for making heat source self-extinguishment, i.e., is connect with one with carbon heat source
The sufficiently large clip of contacting surface product securely fixes heat source, and heat source can be due to the insufficient supply of air when being burned to clip position
Self-extinguishment occurs.But so far, without a kind of relevant report of carbon heat source for having both energy self-extinguishment and anti-drop function simultaneously.
Three, summary of the invention
For the defect for solving the prior art, the invention proposes a kind of carbon heat source for having both self-extinguishment and anti-drop function,
The problem of heated meeting Self-expanding of the cladding section of the carbon heat source, effectively inhibiting heat to collapse causes carbon heat source to fall off.
The present invention solves technical problem and adopts the following technical scheme that
The present invention has both the carbon heat source of self-extinguishment and anti-drop function, it is characterised in that: the carbon heat source is length 10
~20mm's is cylindric, and one end is freely hanging, referred to as free segment, and the other end is fixed, referred to as fixed section, the fixed section
The ratio of length and entire carbon heat source length is 1:4.Being fixed herein refers to that carbon heat source is formed in cigarette with flue gas
Area is fixed.
The carbon heat source has 5~10 polygonal starlike vertical passages.
The raw material of the carbon heat source constitutes as follows by mass percentage:
The binder is that guar gum and potassium alginate are formed with mass ratio 1:2.
Said components are mixed with mold and the cylindrical heat source with 5~10 polygonal starlike vertical passages is made.
500-1500 μm of a thickness, the expanding layer of length and fixed section equal length are coated on the surface of the fixed section.
The surface of fixed section mentioned here includes the cylindric side of fixed section and forms the cylindric bottom that area is connected with flue gas
Face.
The expanding layer is heated Self-expanding, and raw material constitutes as follows by mass percentage:
Binding material 10-40%, vermiculite power 30-60%, graphite powder 15-50%, processing aid 0.5-2%.
The binding material is alginate, carboxymethyl cellulose and its salt, pectin and its salt, carragheen and its salt, melon
At least one of your glue, starch；The salt is sodium salt, sylvite or ammonium salt.
Expansion takes place at 150 DEG C or more in the vermiculite power.
The partial size of the vermiculite power is 100-500 mesh.
The partial size of the graphite powder is 100-300 mesh.
The processing aid is at least one of tobacco tar, corn oil, soybean oil, peanut oil, paraffin oil.
The present invention has both the preparation method of the carbon heat source of self-extinguishment and anti-drop function, it is characterised in that:
Binding material, vermiculite power, graphite powder and processing aid feeding extruder are mixed evenly to prepare 500~1500 μ of thickness
M, the satchel of internal diameter 2.5-5mm, and by its tight in fixed section one end of carbon heat source, it obtains having both self-extinguishment and prevent
The carbon heat source for the function that falls off.
Compared with the prior art, the beneficial effects of the present invention are embodied in:
1, the problem of expanding layer is heated to expand, and effectively inhibiting heat to collapse causes carbon heat source to fall off, avoids use
The harm of glass sucking human body caused by the cladding carbon heat source of the heat-insulating materials such as glass fibre.
2, carbon heat source freely hanging section after-flame when, whens intumescent layers, can absorb heat, and can reduce carbonaceous after expanding
Contact of the heat source with outside air, to make carbon heat source self-extinguishment, it is ensured that the rest part of smoking article will not be ignited.
3, expanding layer materials safety is nontoxic, source is sufficient, it is convenient to prepare.
Four, Detailed description of the invention
Fig. 1 is carbon heat source cross-sectional view of the present invention.
Fig. 2 is low-temperature heat type cigarette Longitudinal cross section schematic of the present invention.
Fig. 3 is the cross-sectional view of the carbon heat source of present invention package expanding layer.
Fig. 4 is the carbon heat source cross-sectional view of another package expanding layer of the invention.
Fig. 5 is the carbon heat source cross-sectional view of another package expanding layer of the invention.
Figure label: a is carbon heat source area, b is that flue gas forms area, c and is filter tip area, 1 is carbon heat source, 2 is five-pointed star
Shape vertical passage, 3 be aluminium-foil paper, 4 be tobacco ball, 5 be cellulose acetate filter rod, 6 be cigarette paper, 7 be expanding layer, 8 be cross star
Shape vertical passage, 10 are hexagonal star-shape vertical passage.
Below by way of specific embodiment, the invention will be further described.
Five, specific embodiment
Embodiment 1:
The raw material of carbon heat source of the present invention includes following component: 65g carbon dust, 4g guar gum, 8g potassium alginate, 13g carbonic acid
Calcium, 5g potassium carbonate, 4g potassium nitrate and 1g iron oxide.
Said components are mixed with mold and the cylindrical heat source with multiple Five-pointed star vertical passages, length is made
For 15mm, and internal voids account for 65% space of heat source total volume, and carbon heat source cross-sectional view is shown in Fig. 1.
Fig. 2 is carbon hot type cigarette Longitudinal cross section schematic.It is found that the cigarette by carbon heat source area a, flue gas formed area b and
Filter tip area c composition.Carbon heat source area a is made of cigarette paper 6, aluminium-foil paper 3 and carbon heat source 1, the length of aluminium-foil paper in the longitudinal direction
It is the 1/3~1/2 of carbon heat source section length；Flue gas forms area b and is made of cigarette paper 6, aluminium-foil paper 3 and tobacco ball 4, in flue gas shape
The length wrapped up at aluminium-foil paper in area is equal with flue gas formation area's longitudinal length, and the tobacco ball is by 60% tobacco powder, 20%
Glycerol, 10% zeolite and 10% magnesium hydroxide composition, wherein tobacco powder is crushed by tobacco leaf；Filter tip area c is by cigarette paper 6 and acetic acid
Fibrous filter candle 5 forms.
Embodiment 2:
20g guar gum, 50g vermiculite power (200 mesh), 30g graphite powder (200 mesh) and 1g paraffin oil are sent into extruder to mix
It is made the satchel of thick 1000 μm, width 3.5mm afterwards, and by its tight carbon heat source fixed section prepared by embodiment 1
One end obtains the carbon heat source for having both self-extinguishment and anti-drop function.Carbon heat source fixed section cross-sectional structure is as shown in Figure 3.
Embodiment 3:
It is mixed that 15g guar gum, 45g vermiculite power (400 mesh), 40g graphite powder (150 mesh) and 1.5g corn oil are sent into extruder
It is made the satchel of thick 700 μm, width 4.0mm after even, and by its tight carbon heat source fixed section prepared by embodiment 1
One end obtains the carbon heat source for having both self-extinguishment and anti-drop function.
Embodiment 4:
It is mixed that 30g guar gum, 40g vermiculite power (150 mesh), 30g graphite powder (300 mesh) and 0.8g soybean oil are sent into extruder
1300 μm thick, width 3.8mm satchel is made after even, and its tight carbon heat source prepared by embodiment 1 is fixed
Duan Yiduan obtains the carbon heat source for having both self-extinguishment and anti-drop function.
Embodiment 5:
Repeat embodiment 1 and embodiment 4, difference is: the multiple vertical passages in the inside of carbon heat source are that cross is star-like,
As shown in Figure 4.
Embodiment 6:
Repeat embodiment 1 and embodiment 4, difference is: the multiple vertical passages in the inside of carbon heat source are that hexagonal is star-like,
As shown in Figure 5.
1 comparative test of Application Example
Carbon heat source installation prepared by embodiment 1, embodiment 2, embodiment 3, embodiment 4, embodiment 5 and embodiment 6
Evaluated in same carbon hot type cigarette, and to its deciduous and self-extinguishment, every kind cigarette retest 10 times, as a result
It is shown in Table 1.
As shown in Table 1, carbon heat source does not wrap up expanding layer in embodiment 1, and the heat source expulsion rate of 10 cigarette is 30%,
And rates of self-extinguishment is 80%, and expanding layer has been wrapped up in other embodiments, around heat source, rates of self-extinguishment is 100% when heat source after-flame,
Expulsion rate is 0%.
Claims (4)
1. a kind of carbon heat source for having both self-extinguishment and anti-drop function, it is characterised in that: the carbon heat source be length 10~
20mm's is cylindric, and one end is freely hanging, referred to as free segment, and the other end is fixed, referred to as fixed section, the fixed section length
Ratio with entire carbon heat source length is 1:4；500-1500 μm of a thickness, length are coated on the surface of the fixed section and are consolidated
Determine the equal expanding layer of segment length；
The expanding layer is heated Self-expanding, and raw material constitutes as follows by mass percentage:
Binding material 10-40%, vermiculite power 30-60%, graphite powder 15-50%, processing aid 0.5-2%；
The binding material be alginate, carboxymethyl cellulose and its salt, pectin and its salt, carragheen and its salt, guar gum,
At least one of starch；
Expansion takes place at 150 DEG C or more for the vermiculite power, and the partial size of the vermiculite power is 100-500 mesh；
The partial size of the graphite powder is 100-300 mesh；
The processing aid is at least one of tobacco tar, corn oil, soybean oil, peanut oil, paraffin oil.
2. carbon heat source according to claim 1, it is characterised in that:
The carbon heat source has 5~10 polygonal starlike vertical passages.
3. carbon heat source according to claim 1, it is characterised in that the raw material of carbon heat source structure by mass percentage
At as follows:
4. carbon heat source according to claim 3, it is characterised in that:
The binder is that guar gum and potassium alginate are formed with mass ratio 1:2.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510891155.3A CN105410992B (en) | 2015-12-03 | 2015-12-03 | A kind of carbon heat source having both self-extinguishment and anti-drop function |
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| CN201510891155.3A CN105410992B (en) | 2015-12-03 | 2015-12-03 | A kind of carbon heat source having both self-extinguishment and anti-drop function |
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| CN105410992A CN105410992A (en) | 2016-03-23 |
| CN105410992B true CN105410992B (en) | 2019-06-18 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107136564B (en) * | 2017-06-28 | 2018-08-07 | 深圳葆威道科技有限公司 | A kind of low-temperature bake type cigarette and preparation method thereof |
| CN107183783B (en) * | 2017-07-25 | 2020-04-21 | 云南中烟工业有限责任公司 | Can prevent high efficiency filter tip of holding back that filter tip heat sinks |
| CN108041687B (en) | 2017-12-22 | 2020-11-27 | 安徽中烟工业有限责任公司 | Aerosol-generating article with low temperature combustion heat source |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5152000Y2 (en) * | 1973-09-22 | 1976-12-13 | ||
| US5076296A (en) * | 1988-07-22 | 1991-12-31 | Philip Morris Incorporated | Carbon heat source |
| US5830319A (en) * | 1995-10-13 | 1998-11-03 | Minnesota Mining And Manufacturing | Flexible fire barrier felt |
| US7934510B2 (en) * | 2003-10-27 | 2011-05-03 | Philip Morris Usa Inc. | Cigarette wrapper with nanoparticle spinel ferrite catalyst and methods of making same |
| TWI590769B (en) * | 2012-02-13 | 2017-07-11 | 菲利浦莫里斯製品股份有限公司 | Smoking article including dual heat-conducting elements and method of adjusting the puff-by-puff aerosol delivery of a smoking article |
| CN103263084A (en) * | 2013-05-23 | 2013-08-28 | 红云红河烟草(集团)有限责任公司 | Carbon heat source for improving carbon-heated cigarette smoke taste |
| US9788571B2 (en) * | 2013-09-25 | 2017-10-17 | R.J. Reynolds Tobacco Company | Heat generation apparatus for an aerosol-generation system of a smoking article, and associated smoking article |
| CN203646494U (en) * | 2013-10-31 | 2014-06-18 | 湖北中烟工业有限责任公司 | Carbonaceous heat-source section of dry-distillation type cigarette |
| CN104223354B (en) * | 2014-09-03 | 2016-08-24 | 湖南中烟工业有限责任公司 | A kind of low temperature cigarette do not subsided of being heated |
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