CN112369663A - Cooling filter rod and low-temperature cigarette with same - Google Patents
Cooling filter rod and low-temperature cigarette with same Download PDFInfo
- Publication number
- CN112369663A CN112369663A CN202010047239.XA CN202010047239A CN112369663A CN 112369663 A CN112369663 A CN 112369663A CN 202010047239 A CN202010047239 A CN 202010047239A CN 112369663 A CN112369663 A CN 112369663A
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- Prior art keywords
- cooling
- section
- polylactic acid
- smoke
- filter rod
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Links
- 238000001816 cooling Methods 0.000 title claims abstract description 161
- 235000019504 cigarettes Nutrition 0.000 title claims abstract description 38
- 239000000779 smoke Substances 0.000 claims abstract description 67
- 229920000747 poly(lactic acid) Polymers 0.000 claims abstract description 52
- 239000004626 polylactic acid Substances 0.000 claims abstract description 52
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000003546 flue gas Substances 0.000 claims abstract description 38
- 238000005187 foaming Methods 0.000 claims abstract description 26
- 241000208125 Nicotiana Species 0.000 claims abstract description 24
- 235000002637 Nicotiana tabacum Nutrition 0.000 claims abstract description 24
- 239000000758 substrate Substances 0.000 claims abstract description 16
- 239000006260 foam Substances 0.000 claims description 32
- 230000035699 permeability Effects 0.000 claims description 19
- 229920006221 acetate fiber Polymers 0.000 claims description 8
- 210000004027 cell Anatomy 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims description 2
- 210000000497 foam cell Anatomy 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 27
- 238000000034 method Methods 0.000 abstract description 6
- 239000007789 gas Substances 0.000 abstract 1
- 210000000214 mouth Anatomy 0.000 description 19
- 238000010438 heat treatment Methods 0.000 description 15
- 230000000391 smoking effect Effects 0.000 description 9
- 239000011148 porous material Substances 0.000 description 6
- 238000007493 shaping process Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 238000005253 cladding Methods 0.000 description 4
- 238000005338 heat storage Methods 0.000 description 4
- 239000011232 storage material Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000796 flavoring agent Substances 0.000 description 3
- 235000019634 flavors Nutrition 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 229920006381 polylactic acid film Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000036314 physical performance Effects 0.000 description 1
Images
Classifications
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D1/00—Cigars; Cigarettes
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D1/00—Cigars; Cigarettes
- A24D1/02—Cigars; Cigarettes with special covers
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D1/00—Cigars; Cigarettes
- A24D1/04—Cigars; Cigarettes with mouthpieces or filter-tips
- A24D1/042—Cigars; Cigarettes with mouthpieces or filter-tips with mouthpieces
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D1/00—Cigars; Cigarettes
- A24D1/04—Cigars; Cigarettes with mouthpieces or filter-tips
- A24D1/045—Cigars; Cigarettes with mouthpieces or filter-tips with smoke filter means
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/04—Tobacco smoke filters characterised by their shape or structure
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/06—Use of materials for tobacco smoke filters
- A24D3/08—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent
- A24D3/10—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent of cellulose or cellulose derivatives
Abstract
The invention discloses a cooling filter tip and a low-temperature cigarette with the same, wherein the cooling filter tip comprises: the inner part of the hollow section is provided with a through hole for smoke to pass through, and the first end of the hollow section is used for connecting the atomized tobacco substrate section; the temperature reduction section comprises a polylactic acid foaming body for reducing the temperature of the smoke, and the first end of the temperature reduction section is connected with the second end, opposite to the first end of the hollow section, of the hollow section; and the first end of the inlet section is connected with the second end of the cooling section, which is opposite to the first end of the cooling section, and the second end of the inlet section, which is opposite to the first end of the inlet end, is used for allowing the smoke to flow into the mouth of a user. The low-temperature cigarette comprises a cooling filter rod and an atomized tobacco substrate section connected with the cooling filter rod. The invention not only can effectively absorb heat to achieve the effect of reducing the temperature of the flue gas, but also can ensure that the gas path is not blocked and the suction is smooth in the suction process, and has high cooling efficiency and good suction experience.
Description
Technical Field
The invention relates to a cooling filter tip and a low-temperature cigarette with the same, and belongs to the technical field of low-temperature cigarettes.
Background
The low-temperature cigarette, also known as a heated cigarette or a heated non-burning cigarette (heat-not-burn cigarette), heats the tobacco substance by an external heat source, and the atomized medium, the flavor components and the additional flavor in the tobacco substance generate smoke similar to the smoke of the traditional cigarette burning and smoking by heating, so that the consumers can obtain physiological satisfaction. The tobacco substances in the low-temperature cigarette are only heated but not combusted, so that the harmful components and the biotoxicity of the smoke are greatly reduced, and the side-stream smoke and the environmental smoke are also greatly reduced.
The atomized medium, the flavor components and the external flavoring in the tobacco material release atomized smoke to enter the oral cavity of a consumer through the filter section under the condition of heating temperature (250-350 ℃ (centigrade)), and the smoke temperature is obviously higher than the temperature of the smoke entering the oral cavity during the traditional cigarette smoking, thereby greatly influencing the smoking experience of the consumer. Therefore, reducing the temperature of the smoke of the low-temperature cigarette is one of the core technologies.
In the prior art, two methods are generally used for reducing the temperature of the smoke of the low-temperature cigarette: one method is to use a cavity filter rod or adopt a complex design to enable the smoke to pass through a relatively long air path in the filter rod, so as to increase the residence time of the smoke in the filter rod and enable the smoke to have more time for heat exchange, but after all, the length and the diameter of the filter rod are limited, and the cavity filter rod or adopt a complex design to enable the smoke to pass through a relatively long air path in the filter rod to have limited cooling effect, wherein the complex design enables the smoke to pass through the relatively long air path in the filter rod and further enables the process and equipment for producing and manufacturing the filter rod to be more complex; the other method is to directly use heat storage materials in the filter rod to cool the high-temperature atomized smoke flowing longitudinally. However, in the prior art, the heat storage material, especially the cooling tip rod prepared in a film form, melts when the surface of the tip rod contacts high-temperature flue gas, so that on one hand, a flue gas channel is blocked, the subsequent heat storage material is difficult to contact the high-temperature flue gas, the cooling effect of the heat storage material is affected, and even the flue gas amount is sharply reduced; on the other hand, the hardness, the suction resistance and other physical properties of the filter stick are changed, so that the appearance of the filter stick is changed, and the consumption experience is influenced.
Disclosure of Invention
In view of the above problems, the present invention aims to provide a cooling tip and a low temperature cigarette having the same, which not only can effectively absorb heat to achieve the effect of reducing the temperature of smoke, but also can ensure that the air passage is not blocked during the smoking process, the smoking is smooth, the cooling efficiency is high, and the smoking experience is good.
In one aspect, the present invention provides a cooling tip, including: the tobacco smoke atomizing device comprises a hollow section and a smoke atomizing device, wherein a through hole for smoke to pass through is formed in the hollow section, and the first end of the hollow section is used for being connected with the tobacco substrate atomizing section; a cooling section comprising polylactic acid foam for reducing the temperature of the flue gas, a first end of the cooling section connected to a second end of the hollow section opposite the first end of the hollow section; and the first end of the inlet section is connected with the second end, opposite to the first end of the cooling section, and the second end, opposite to the first end of the inlet end, of the inlet section is used for allowing the smoke to flow into the mouth of a user through the inlet section.
In a specific embodiment, the hollow section, the cooling section and the inlet section are collectively coated by a first plug wrap to form the cooling tip.
In one embodiment, the first forming paper has a basis weight of 60 to 80 g and an air permeability of 100 to 500 CU.
In one embodiment, the cooling section is made of bulk polylactic acid foam.
In a specific embodiment, the cooling section is made by rolling a sheet-shaped polylactic acid foam.
In a specific embodiment, the exterior of the polylactic acid foam sheet is coated with a second forming paper, and the first forming paper is coated on the exterior of the second forming paper.
In one embodiment, the second forming paper has a basis weight of 60 to 80 g and an air permeability of 100 to 500 CU.
In one embodiment, the thickness of the polylactic acid sheet foam is 0.5 to 5 mm.
In one embodiment, the thickness of the polylactic acid sheet foam is 0.5 to 2.5 mm.
In one embodiment, the polylactic acid foam has a number average molecular weight of 5 to 40 ten thousand.
In one embodiment, the foaming ratio of the polylactic acid foam is 20 to 50 times, and the cell density of the polylactic acid foam is 10.0 × 109～30.0×109The diameter of each cubic centimeter of the foam cell of the polylactic acid foam is 2-25 micrometers.
In one embodiment, the inlet section and the hollow section are both made of acetate tow.
In a specific embodiment, the outside of the inlet section is coated with a third forming paper, and the first forming paper is coated on the outside of the third forming paper.
In one embodiment, the third forming paper has a basis weight of 60 to 80 g and an air permeability of 100 to 500 CU.
In a specific embodiment, the single denier of the acetate fiber tows is 6-25, and the total denier of the acetate fiber tows is 5000-30000.
In a particular embodiment, the cooling tip is circular in cross-section.
In one embodiment, the diameter of the through hole is 1-6 mm.
On the other hand, the invention provides a low-temperature cigarette which comprises the cooling filter rod and the atomized tobacco substrate segment connected with the cooling filter rod.
In a particular embodiment, the cooling tip and the atomized tobacco substrate segment are connected by tipping paper.
In one embodiment, the tipping paper has a basis weight of 60-80 g, and has an air permeability of 100-500 CU.
Due to the adoption of the technical scheme, the invention has the following advantages:
1. the cooling section comprises the polylactic acid foaming body for reducing the temperature of the smoke, and the polylactic acid foaming body is provided with a large number of pores, so that the smoke is convenient to circulate, the phenomenon that the smoke is blocked can be reduced, and meanwhile, the contact area between the smoke and the polylactic acid foaming body can be increased, so that the cooling efficiency of the smoke can be effectively improved, the cooling effect is good, and the smoking experience is good.
2. The cooling section comprises the polylactic acid foaming body for reducing the temperature of the smoke, and the polylactic acid foaming body has a large number of pores, so that the contact area between the smoke and the polylactic acid foaming body can be increased, the deformation generated after heat absorption is mainly concentrated in the polylactic acid foaming body, the influence on the appearance shape and the physical performance of the cooling filter rod is prevented, and the smoking experience can be further improved.
3. The cooling section of the invention is formed by rolling sheet polylactic acid foaming bodies or directly formed by block polylactic acid foaming bodies, and can ensure the stability and controllability of the production quality of the cooling filter rod.
4. The cooling section of the invention not only can effectively reduce the temperature of the flue gas, but also has simple structure and convenient use.
5. The through hole for smoke to pass through is formed in the hollow section, so that the high-temperature heating element of the heating appliance can be prevented from being in direct contact with the cooling filter rod when the low-temperature cigarette is inserted into the deeper position of the heating appliance, the peculiar smell of the cooling filter rod can be prevented from being released under the high-temperature condition, and the use safety of the cooling filter rod under the high-temperature condition is improved.
6. The first forming paper is arranged, so that ambient cold air can be guided into the cooling filter tip to cool the smoke, and the cooling effect of the smoke is further improved.
7. The second forming paper is arranged, so that ambient cold air can be guided into the cooling filter tip to cool the smoke, and the cooling effect of the smoke is further improved.
8. The third forming paper is arranged, so that ambient cold air can be guided into the cooling filter tip to cool the smoke, and the cooling effect of the smoke is further improved.
9. The tipping paper is arranged, so that ambient cold air can be guided into the cooling filter tip to cool the smoke, and the cooling effect of the smoke is further improved.
10. The low-temperature cigarette has the advantages of good smoking experience, simple structure and convenience in use.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the technical solution in the embodiments of the present invention, the following briefly introduces the drawings required in the description of the embodiments:
FIG. 1 is a schematic structural diagram of a first embodiment of a cooling tip rod of the present invention;
FIG. 2 is a schematic structural diagram of a first embodiment of the low temperature cigarette of the present invention;
FIG. 3 is a schematic structural view of a second embodiment of the cooling tip rod of the present invention;
fig. 4 is a schematic structural diagram of a second embodiment of the low-temperature cigarette of the invention.
Detailed Description
The following detailed description of the embodiments of the present invention will be provided with reference to the drawings and examples, so that how to apply the technical means to solve the technical problems and achieve the technical effects can be fully understood and implemented. It should be noted that, as long as there is no conflict, the embodiments and the features of the embodiments of the present invention may be combined with each other, and the technical solutions formed are within the scope of the present invention. Directional phrases used in connection with the present invention, such as "inner" and "outer", are defined solely by reference to the attached figures. Accordingly, the directional terms used are used for explanation and understanding of the present invention, and are not used for limiting the present invention.
Example one
As shown in fig. 1 and fig. 2, the cooling tip rod according to the first embodiment includes a hollow section 1, a cooling section 2, and an inlet section 3. Wherein the content of the first and second substances,
the inside of well hollow section 1 is provided with through-hole 11 that is used for supplying the flue gas to pass through, can avoid low temperature cigarette to insert when heating utensil is darker, and the high temperature heating element of heating utensil and cooling mouth stick direct contact to prevent that the cooling mouth stick from releasing the peculiar smell under the high temperature condition, improve the safety in utilization of cooling mouth stick under the high temperature condition. The first end of the hollow section 1 is for attachment of an atomised tobacco substrate section 4.
The first end of the inlet section 3 is connected with the second end of the cooling section 2 opposite to the first end of the cooling section 2, and the second end of the inlet section 3 opposite to the first end of the inlet section 3 is used for smoke to flow into the mouth of a user.
During the use, the high temperature flue gas (260 ~ 380 ℃ C.) that atomizing tobacco matrix section 4 produced through the heating gets into in the through-hole 11 of cavity section 1 to get into by through-hole 11 and cool down in the section 2 that cools down, the flue gas after the cooling flows into in the user's mouth through entrance section 3.
Further, the hollow section 1, the cooling section 2 and the inlet section 3 jointly form a cooling filter rod through the coating of the first forming paper, so that the environment cold air can be favorably guided into the cooling filter rod to cool the smoke, and the cooling effect of the smoke is further improved.
Further, the first molded paper has a basis weight of 60 to 80 g and an air permeability of 100 to 500CU (the amount of air per minute passing through a predetermined area of paper or the time required for passing 100ml (milliliter) of air, in cm)3/(cm2Min kPa)), good ventilation effect, and is beneficial to cooling the flue gas.
Furthermore, the cooling section 2 is formed by rolling the sheet polylactic acid foaming body, can ensure the stability and controllability of the production quality of the cooling filter tip, and has simple structure and convenient use. Specifically, the sheet polylactic acid foam is first spirally rolled into a cylinder, and then cut into a cylinder part with a target length, so as to obtain the cooling section 2.
Furthermore, the second forming paper is coated outside the sheet polylactic acid foaming body, and the first forming paper is coated outside the second forming paper, so that the smoke can be cooled by introducing ambient cold air into the cooling filter rod, and the cooling effect of the smoke is further improved.
Furthermore, the quantitative amount of the second forming paper is 60-80 g, the air permeability of the second forming paper is 100-500 CU, the air permeability effect is good, and the smoke cooling is facilitated.
Furthermore, the thickness of the sheet polylactic acid foaming body is 1.5 mm, so that the stability and controllability of the production quality of the cooling filter rod can be better ensured.
Further, the polylactic acid foam has a number average molecular weight of 20 to 30 ten thousand.
Further, the foaming ratio of the polylactic acid foam is 40 to 50 times, and the cell density of the polylactic acid foam is 20.0 x 109～25.0×109Per cm3(cubic centimeter) and the diameter of the foam pores of the polylactic acid foam is 5 to 10 micrometers (micrometer).
Furthermore, the hollow section 1 and the inlet section 3 are both made of acetate fiber tows, so that the heat absorption effect is good, and the flue gas cooling is facilitated.
Further, the outside cladding of entry section 3 has third shaping paper, and the cladding of first shaping paper is in the outside of third shaping paper, can be favorable to the leading-in cooling flue gas of cooling in the mouth stick of ambient cold air, further improves the cooling effect of flue gas.
Furthermore, the ration of the third forming paper is 60-80 g, the air permeability of the third forming paper is 100-500 CU, the air permeability effect is good, and the smoke cooling is facilitated.
Further, the single denier (filament denier) of the acetate fiber tow of the hollow section 1 is 7.3, and the total denier (total filament denier) is 16000, so that the ambient cold air can be fully contacted with the flue gas, and the flue gas cooling is facilitated.
Furthermore, the single denier of the acetate fiber tows in the inlet section 3 is 11.3, the total denier is 12000, the cold air in the environment can be fully contacted with the smoke, and the smoke cooling is facilitated.
Further, the cross section of the cooling tip rod is circular.
Further, the length of the cooling tip rod is 33 mm. Wherein the length of the hollow section 1 is 7 mm. The cooling section 2 has a length of 14 mm. The length of the inlet section 3 is 12 mm.
Further, the diameter of the through hole 11 is 5 mm.
On the basis of the cooling filter rod of the first embodiment, as shown in fig. 2, the invention also provides a low-temperature cigarette, which comprises the cooling filter rod and an atomized tobacco substrate segment 4 connected with the cooling filter rod.
Furthermore, the cooling tip is connected with the atomized tobacco substrate section 4 through tipping paper, so that ambient cold air can be introduced into the cooling tip to cool the smoke, and the cooling effect of the smoke is further improved.
Furthermore, the quantitative amount of the tipping paper is 60-80 g, the air permeability of the tipping paper is 100-500 CU, the ventilation effect is good, and the cooling of smoke is facilitated.
Further, the length of the low-temperature cigarette is 48 mm. Wherein the length of atomized tobacco substrate segment 4 is 15 mm. The low-temperature cigarette adopts an inner core heating device for smoke panel test.
Further, the diameter of the low-temperature cigarette rod is 7.7 mm.
The low-temperature cigarette of this embodiment one, the temperature of reduction cigarette flue gas that can be obvious, it is effectual to cool down. Under the same condition of other conditions, the temperature of the smoke of the cooling filter rod of the first embodiment is reduced by 4.3 ℃ (centigrade) compared with the temperature reduction section of the cooling filter rod prepared by adopting the polylactic acid film.
Example two
As shown in fig. 3 and 4, the second embodiment of the cooling tip includes a hollow section 1, a cooling section 2 and an inlet section 3. Wherein the content of the first and second substances,
the inside of well hollow section 1 is provided with through-hole 11 that is used for supplying the flue gas to pass through, can avoid low temperature cigarette to insert when heating utensil is darker, and the high temperature heating element of heating utensil and cooling mouth stick direct contact to prevent that the cooling mouth stick from releasing the peculiar smell under the high temperature condition, improve the safety in utilization of cooling mouth stick under the high temperature condition. The first end of the hollow section 1 is for attachment of an atomised tobacco substrate section 4.
The first end of the inlet section 3 is connected with the second end of the cooling section 2, and the second end of the inlet section 3 is used for allowing the smoke to flow into the mouth of a user.
During the use, the high temperature flue gas (260 ~ 380 ℃ C.) that atomizing tobacco matrix section 4 produced through the heating gets into in the through-hole 11 of cavity section 1 to get into by through-hole 11 and cool down in the section 2 that cools down, the flue gas after the cooling flows into in the user's mouth through entrance section 3.
Further, the hollow section 1, the cooling section 2 and the inlet section 3 jointly form a cooling filter rod through the coating of the first forming paper, so that the environment cold air can be favorably guided into the cooling filter rod to cool the smoke, and the cooling effect of the smoke is further improved.
Furthermore, the quantitative amount of the first forming paper is 60-80 g, the air permeability of the first forming paper is 100-500 CU, the air permeability effect is good, and the smoke cooling is facilitated.
Furthermore, the cooling section 2 is directly made of blocky polylactic acid foaming bodies, so that the stability and controllability of the production quality of the cooling filter tip can be ensured, and the cooling filter tip is simple in structure and convenient to use. Specifically, the block-shaped polylactic acid foam is cut into a cylindrical member having a target length, thereby obtaining the cooling section 2.
Further, the polylactic acid foam has a number average molecular weight of 20 to 30 ten thousand.
Further, the foaming ratio of the polylactic acid foam is 30 to 40 times, and the cell density of the polylactic acid foam is 15.0 x 109～25.0×109Per cm3(cubic centimeter) and the diameter of the foam pores of the polylactic acid foam is 3-10 mu m (micrometer).
Furthermore, the hollow section 1 and the inlet section 3 are both made of acetate fiber tows, so that the heat absorption effect is good, and the flue gas cooling is facilitated.
Further, the outside cladding of entry section 3 has third shaping paper, and the cladding of first shaping paper is in the outside of third shaping paper, can be favorable to the leading-in cooling flue gas of cooling in the mouth stick of ambient cold air, further improves the cooling effect of flue gas.
Furthermore, the ration of the third forming paper is 60-80 g, the air permeability of the third forming paper is 100-500 CU, the air permeability effect is good, and the smoke cooling is facilitated.
Furthermore, the single denier (filament denier) of the acetate fiber tows of the hollow section 1 and the inlet section 3 is 7.3, and the total denier (total filament denier) is 16000, so that the ambient cold air can be fully contacted with the flue gas, and the flue gas cooling is facilitated.
Further, the cross section of the cooling tip rod is circular.
Further, the length of the cooling tip rod is 41 mm. Wherein the length of the hollow section 1 is 15 mm. The cooling section 2 has a length of 14 mm. The length of the inlet section 3 is 12 mm.
Further, the diameter of the through hole 11 is 4 mm.
On the basis of the cooling filter rod of the second embodiment, as shown in fig. 4, the invention also provides a low-temperature cigarette, which comprises the cooling filter rod and an atomized tobacco substrate segment 4 connected with the cooling filter rod.
Furthermore, the cooling tip is connected with the atomized tobacco substrate section 4 through tipping paper, so that ambient cold air can be introduced into the cooling tip to cool the smoke, and the cooling effect of the smoke is further improved.
Furthermore, the quantitative amount of the tipping paper is 60-80 g, the air permeability of the tipping paper is 100-500 CU, the ventilation effect is good, and the cooling of smoke is facilitated.
Further, the length of the low-temperature cigarette rod is 56 mm. Wherein the length of atomized tobacco substrate segment 4 is 15 mm. The low-temperature cigarette adopts an inner core heating device for smoke panel test.
Further, the diameter of the low-temperature cigarette rod is 7.7 mm.
The low-temperature cigarette of this embodiment two, the temperature of reduction cigarette flue gas that can be obvious, cooling effect is good. Under the same other conditions, the smoke temperature of the cooling tip rod of the second embodiment is reduced by 3.2 ℃ compared with the cooling tip rod prepared by adopting the polylactic acid film in the cooling section.
Although the embodiments of the present invention have been described above, the above description is only for the convenience of understanding the present invention, and is not intended to limit the present invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (20)
1. A cooling tip rod, comprising:
the tobacco smoke atomizing device comprises a hollow section and a smoke atomizing device, wherein a through hole for smoke to pass through is formed in the hollow section, and the first end of the hollow section is used for being connected with the tobacco substrate atomizing section;
a cooling section comprising polylactic acid foam for reducing the temperature of the flue gas, a first end of the cooling section connected to a second end of the hollow section opposite the first end of the hollow section; and
an inlet section having a first end connected to a second end of the temperature reduction section opposite the first end of the temperature reduction section, the second end of the inlet section opposite the first end of the inlet end for the passage of the flue gas into the mouth of a user.
2. The cooling filter rod as claimed in claim 1, wherein the hollow section, the cooling section and the inlet section are collectively formed by wrapping a first plug wrap.
3. The cooling filter rod as claimed in claim 2, wherein the first forming paper has a basis weight of 60 to 80 g and an air permeability of 100 to 500 CU.
4. The cooling tip rod of claim 2, wherein the cooling section is made of block-shaped polylactic acid foam.
5. The cooling tip rod of claim 2, wherein the cooling section is made by rolling a sheet-shaped polylactic acid foam.
6. The cooling tip rod as claimed in claim 5, wherein the sheet-shaped polylactic acid foam is coated with a second paper, and the first paper is coated with the second paper.
7. The cooling filter rod according to claim 6, wherein the second forming paper has a basis weight of 60 to 80 g and an air permeability of 100 to 500 CU.
8. The cooling tip rod as claimed in claim 5, wherein the thickness of the sheet-like polylactic acid foam is 0.5 to 5 mm.
9. The cooling tip rod as claimed in claim 8, wherein the thickness of the sheet-like polylactic acid foam is 0.5 to 2.5 mm.
10. The cooling tip as claimed in claim 1, wherein the polylactic acid foam has a number average molecular weight of 5 to 40 ten thousand.
11. The cooling tip rod as claimed in claim 1, wherein the foaming ratio of the polylactic acid foam is 20 to 50 times, and the cell density of the polylactic acid foam is 10.0 x 109～30.0×109The diameter of each cubic centimeter of the foam cell of the polylactic acid foam is 2-25 micrometers.
12. The cooling tip as claimed in claim 2, wherein the inlet section and the hollow section are made of acetate tow.
13. The cooling tip rod as claimed in claim 12, wherein the inlet section is externally coated with a third forming paper, and the first forming paper is externally coated with the third forming paper.
14. The cooling filter tip according to claim 13, wherein the third forming paper has a basis weight of 60 to 80 g and an air permeability of 100 to 500 CU.
15. The cooling filter rod according to claim 12, wherein the acetate fiber tow has a single denier of 6 to 25.
16. The cooling filter rod of claim 1, wherein the cooling filter rod is circular in cross-section.
17. The cooling tip rod of claim 1, wherein the diameter of the through hole is 1-6 mm.
18. A low temperature cigarette comprising a cooling filter rod according to any one of claims 1 to 17 and the atomised tobacco substrate segment connected to the cooling filter rod.
19. The low temperature cigarette of claim 18, wherein the cooling filter rod and the aerosolized tobacco substrate segment are joined by tipping paper.
20. The low-temperature cigarette as claimed in claim 19, wherein the tipping paper has a basis weight of 60-80 g and an air permeability of 100-500 CU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010047239.XA CN112369663A (en) | 2020-01-16 | 2020-01-16 | Cooling filter rod and low-temperature cigarette with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010047239.XA CN112369663A (en) | 2020-01-16 | 2020-01-16 | Cooling filter rod and low-temperature cigarette with same |
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| Publication Number | Publication Date |
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| CN112369663A true CN112369663A (en) | 2021-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010047239.XA Pending CN112369663A (en) | 2020-01-16 | 2020-01-16 | Cooling filter rod and low-temperature cigarette with same |
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