CN112220109A - Phase change material and preparation method and application thereof - Google Patents
Phase change material and preparation method and application thereof Download PDFInfo
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- CN112220109A CN112220109A CN201910575218.2A CN201910575218A CN112220109A CN 112220109 A CN112220109 A CN 112220109A CN 201910575218 A CN201910575218 A CN 201910575218A CN 112220109 A CN112220109 A CN 112220109A
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- change material
- phase change
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- 239000012782 phase change material Substances 0.000 title claims abstract description 98
- 238000002360 preparation method Methods 0.000 title abstract description 11
- -1 polyethylene propylene Polymers 0.000 claims abstract description 44
- 238000001816 cooling Methods 0.000 claims abstract description 43
- 239000004626 polylactic acid Substances 0.000 claims abstract description 29
- 229920000747 poly(lactic acid) Polymers 0.000 claims abstract description 27
- 238000000034 method Methods 0.000 claims abstract description 18
- 239000004698 Polyethylene Substances 0.000 claims abstract description 17
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 17
- 229920000573 polyethylene Polymers 0.000 claims abstract description 17
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 17
- 239000004743 Polypropylene Substances 0.000 claims abstract description 13
- 229920001155 polypropylene Polymers 0.000 claims abstract description 13
- 230000009477 glass transition Effects 0.000 claims abstract description 10
- 229920001610 polycaprolactone Polymers 0.000 claims abstract description 10
- 239000004632 polycaprolactone Substances 0.000 claims abstract description 10
- 150000002596 lactones Chemical class 0.000 claims abstract description 7
- 235000019505 tobacco product Nutrition 0.000 claims abstract description 7
- 238000002156 mixing Methods 0.000 claims abstract description 5
- 229920001897 terpolymer Polymers 0.000 claims abstract description 5
- 229920006037 cross link polymer Polymers 0.000 claims abstract description 4
- 235000019504 cigarettes Nutrition 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 15
- 239000000779 smoke Substances 0.000 claims description 15
- 229920006221 acetate fiber Polymers 0.000 claims description 10
- 241000208125 Nicotiana Species 0.000 claims description 8
- 235000002637 Nicotiana tabacum Nutrition 0.000 claims description 8
- 229920002943 EPDM rubber Polymers 0.000 claims description 2
- 229920002301 cellulose acetate Polymers 0.000 claims 2
- 239000002202 Polyethylene glycol Substances 0.000 claims 1
- 229920001223 polyethylene glycol Polymers 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000010408 film Substances 0.000 description 18
- 210000000214 mouth Anatomy 0.000 description 17
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 5
- 239000003546 flue gas Substances 0.000 description 5
- 239000012071 phase Substances 0.000 description 4
- 229920001606 poly(lactic acid-co-glycolic acid) Polymers 0.000 description 4
- 229920006381 polylactic acid film Polymers 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000443 aerosol Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000000796 flavoring agent Substances 0.000 description 2
- 235000019634 flavors Nutrition 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 229920003020 cross-linked polyethylene Polymers 0.000 description 1
- 239000004703 cross-linked polyethylene Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 239000011232 storage material Substances 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
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/02—Manufacture of tobacco smoke filters
- A24D3/0204—Preliminary operations before the filter rod forming process, e.g. crimping, blooming
-
- 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 relates to and discloses a phase change material, a preparation method and application thereof. A phase change material comprises at least two of polylactic acid, polyethylene propylene terpolymer, polyethylene, polypropylene, polyvinyl alcohol and polyhexamethylene lactone. The preparation method of the phase change material comprises the step of mixing at least two of the polylactic acid, the polyethylene propylene crosspolymer, the polyethylene, the polypropylene, the polyvinyl alcohol and the polycaprolactone to form the phase change material. And the use of the above phase change material according to the invention and the phase change material produced according to the above method of the invention in the manufacture of a novel filter rod for a tobacco product. The phase-change material has the advantages of high cooling efficiency, low glass transition temperature, simple and efficient preparation process and wide application.
Description
Technical Field
The invention relates to a phase-change material, a preparation method and application thereof, belonging to the technical field of cigarettes.
Background
Low temperature cigarettes are cigarettes which have been heated by an external heating element, the aerosol medium in the cigarette, the flavour components in the tobacco and the added flavour being heated to produce smoke, rather than combustion, to reduce the known types of harmful smoke components produced by combustion and thermal degradation of tobacco in conventional cigarettes. In the low-temperature cigarette heated by an external heat source, an important component is a cigarette of the heated cigarette, and the cigarette is a tobacco product capable of releasing smoke aerosol under the low-temperature heating condition. This tobacco products reaches atomizing temperature under the condition of 250 ~ 350 ℃ (degree centigrade), and the temperature that high temperature atomizing flue gas entered into the oral cavity through the filter section can be higher than the temperature that ordinary cigarette burnt. The development of cigarettes with proper temperature is the key of low-temperature cigarettes.
Phase change materials are latent heat storage materials that are capable of absorbing and releasing high amounts of latent heat during melting and crystallization, respectively. Thermal energy transfer occurs when a phase change material changes from a solid phase to a liquid phase or from a liquid phase to a solid phase. During such phase change of the phase change material, the temperature of the phase change material remains almost constant, as does the space around the phase change material, the heat flowing through the phase change material being "trapped" within the phase change material itself.
The existing low-temperature cigarette cooling technology mainly cools longitudinally flowing high-temperature smoke through a filter rod material. Because the flue gas passing time is fast, the cooling efficiency of the cooling material is high. However, in the prior art, PLA (polylactic acid) material is mainly used for cooling, the glass transition temperature of the PLA material is 60-65 ℃, and the PLA material absorbs the heat of the flue gas and then undergoes phase change at the temperature, so that the temperature of the flue gas is reduced. However, the phase transition temperature of the polylactic acid material is 60-65 ℃, and the lowest temperature to which the smoke temperature can be reduced is the phase transition temperature of the polylactic acid material, so that the smoke temperature is prevented from being further reduced, and the cooling efficiency is limited.
Disclosure of Invention
In view of the above problems, the present invention provides a phase change material, a method for preparing the phase change material, and a use of the phase change material, which can improve the cooling efficiency of flue gas.
In order to achieve the above objects, in one aspect, the present invention provides a phase change material comprising two or more of polylactic acid, polyethylene propylene terpolymer, polyethylene, polypropylene, polyvinyl alcohol, and polycaprolactone.
In a specific embodiment, the polylactic acid is contained in an amount of 5 to 75 wt% based on the total weight of the phase change material.
In a specific embodiment, the content of the cross-linked polyethylene propylene is 2 to 75 wt% based on the total weight of the phase change material.
In a specific embodiment, the amount of the polyvinyl chloride is 2 to 75 wt% based on the total weight of the phase change material.
In a specific embodiment, the polyethylene is present in an amount of 3 to 85 wt%, based on the total weight of the phase change material.
In a specific embodiment, the polypropylene is present in an amount of 5 to 85 wt%, based on the total weight of the phase change material.
In a specific embodiment, the polyvinyl alcohol is present in an amount of 5 to 65 wt%, based on the total weight of the phase change material.
In a specific embodiment, the polyhexamethylene lactone is present in an amount of 5 to 65 wt%, based on the total weight of the phase change material.
In a specific embodiment, the glass transition temperature of the phase change material is 47-57 ℃.
In another aspect, the present invention provides a method for preparing the phase change material according to the present invention, including the following steps: and mixing at least two of the polylactic acid, the polyethylene propylene crosspolymer, the polyethylene, the polypropylene, the polyvinyl alcohol and the polycaprolactone to form the phase change material.
In a further aspect, the present invention provides the use of a phase change material as described above according to the present invention and a phase change material prepared according to the above method of the present invention in the preparation of a novel filter rod for a tobacco product.
In a particular embodiment, the filter rod comprises a film cooling section comprising a filter rod formed from a film in a paper rod process.
In a specific embodiment, the thin film is made of the phase change material.
In a specific embodiment, the thickness of the thin film is 20 to 60 micrometers.
In a specific embodiment, the mouth rod comprises a firmware cooling section, the firmware cooling section comprises firmware, the firmware comprises a shell with two hollow ends, and two filter plates with holes are arranged inside the shell at intervals.
In a specific embodiment, the housing and the two perforated filter plates are made of the phase-change material.
In a particular embodiment, the low temperature cigarette smoke temperature of the filter rod is lower than the low temperature cigarette smoke temperature of a filter rod made of polylactic acid material.
In a specific embodiment, the temperature of the side surface of the mouth stick at the lip contact is lower than the temperature of the side surface of the mouth stick made of polylactic acid material at the lip contact.
On the basis of the phase-change material, the invention provides a filter tip which comprises a first hollow rod section close to a tobacco shred section and a first acetate fiber rod section close to a tip end, wherein a film cooling section is arranged between the first hollow rod section and the first acetate fiber rod section, the film cooling section comprises a filter stick formed by a film according to a paper rod process, and the film is made of the phase-change material.
On the basis of the filter tip, the invention also provides a filter tip, which comprises a second hollow rod section close to the tobacco shred section and a second acetate fiber rod section close to the mouth end, wherein a firmware cooling section is arranged between the second hollow rod section and the second acetate fiber rod section, the firmware cooling section comprises a firmware, the firmware comprises a shell with two hollow ends, two perforated filter plates are arranged in the shell at intervals, and the shell and the two perforated filter plates are both made of the phase-change material.
Due to the adoption of the technical scheme, the invention has the following advantages: 1. the phase-change material has low glass transition temperature and high cooling efficiency. 2. The phase change material can improve the physical properties of the traditional phase change material. 3. The preparation method of the phase-change material is simple and efficient, and does not need the investment of complex processes and equipment. 4. The smoke temperature of the low-temperature cigarette of the filter tip is lower than that of the low-temperature cigarette of the filter tip made of the polylactic acid material, the temperature of the side surface of the lip contact part of the filter tip is lower than that of the side surface of the lip contact part of the filter tip made of the polylactic acid material, and the filter tip is high in cooling efficiency, good in cooling effect and good in safety.
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 diagram of the structure of firmware in one embodiment of the use of the phase change material of the present invention;
figure 2 is a schematic plan view of a perforated filter plate in an embodiment 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.
In one aspect, the phase change material provided by the present invention includes at least two of polylactic acid, polyethylene propylene terpolymer, polyethylene, polypropylene, polyvinyl alcohol, and polyhexamethylene lactone.
In a specific embodiment, the polylactic acid is present in an amount of 5 to 75 wt% based on the total weight of the phase change material.
In a specific embodiment, the content of the poly (ethylene propylene diene monomer) is 2 to 75 wt% based on the total weight of the phase change material.
In a specific embodiment, the content of the polyvinyl chloride is 2 to 75 wt% based on the total weight of the phase change material.
In a specific embodiment, the polyethylene is present in an amount of 3 to 85 wt%, based on the total weight of the phase change material.
In a specific embodiment, the polypropylene is present in an amount of 5 to 85 wt%, based on the total weight of the phase change material.
In a specific embodiment, the polyvinyl alcohol is present in an amount of 5 to 65 wt%, based on the total weight of the phase change material.
In a specific embodiment, the content of the polycaprolactone is 5 to 65 wt% based on the total weight of the phase change material.
In a specific embodiment, the glass transition temperature of the phase change material is 47-57 ℃ (degree centigrade).
The phase-change material has low glass transition temperature and high cooling efficiency.
On the other hand, the preparation method of the phase-change material provided by the invention comprises the following steps: mixing at least two of polylactic acid, polyethylene propylene crosspolymer, polyethylene, polypropylene, polyvinyl alcohol and polyhexamethylene lactone.
In a specific embodiment, the mixing of the polylactic acid, the epdm, the pet, the polyethylene, the polypropylene, the polyvinyl alcohol, and the polycaprolactone can be performed in any order, according to the actual needs.
In a specific embodiment, any two or more of polylactic acid, polyethylene propylene terpolymer, polyethylene, polypropylene, polyvinyl alcohol and polyhexamethylene lactone are selected to be mixed to form the phase change material according to actual needs. Thereby producing a mixture having the desired physical properties. For example, the phase-change material has the advantages of low glass transition temperature and high cooling efficiency.
The preparation method of the phase-change material is simple and efficient, and does not need the investment of complex processes and equipment.
In a further aspect, the present invention provides the use of a phase change material as described above according to the present invention and a phase change material prepared according to the above method of the present invention in the preparation of a novel filter rod for a tobacco product.
In a particular embodiment, the filter rod comprises a film cooling section comprising a filter rod formed from a film in a paper rod process.
In a specific embodiment, the membrane is made of a phase change material.
In one embodiment, the film has a thickness of 20 to 60 μm (micrometers).
In a specific embodiment, the mouth rod comprises a firmware cooling section, the firmware cooling section comprises a firmware 1, the firmware comprises a shell 11 with two hollow ends, and two perforated filter plates 12 (shown in fig. 1 and 2) are arranged at intervals inside the shell 11.
In one particular embodiment, the housing 11 and the two perforated filter plates 12 are made of a phase change material.
In a specific embodiment, as shown in fig. 1 and 2, a plurality of air holes 2 are respectively formed in the two perforated filter plates 12, so that the cooling effect can be improved.
In a specific embodiment, as shown in fig. 2, the plurality of air holes 2 on the two perforated filter plates 12 are arranged at equal intervals along the circumferential direction.
In a particular embodiment, the low temperature cigarette smoke temperature of the filter rod is lower than the low temperature cigarette smoke temperature of a filter rod made of polylactic acid material.
In a specific embodiment, the temperature of the side surface of the mouth stick at the lip contact is lower than the temperature of the side surface of the mouth stick made of polylactic acid material at the lip contact.
In a particular embodiment, the novel tobacco product is a low temperature cigarette.
The phase-change material has wide application and good safety.
On the basis of the phase-change material, the application provides a filter tip, the filter tip comprises a first hollow rod section close to a tobacco shred section and a first acetate fiber rod section close to a tip end, a film cooling section is arranged between the first hollow rod section and the first acetate fiber rod section, the film cooling section comprises a filter stick formed by a film according to a paper stick process, and the film is made of the phase-change material.
On the basis of the filter rod, the application also provides a filter rod, the filter rod comprises a second hollow rod section close to the tobacco shred section and a second acetate fiber rod section close to the mouth end, a firmware cooling section is arranged between the second hollow rod section and the second acetate fiber rod section, the firmware cooling section comprises a firmware 1 (shown in figures 1 and 2), the firmware 1 comprises a shell 11 with two hollow ends, two filter plates 12 with holes are arranged in the shell 11 at intervals, and the shell 11 and the two filter plates 12 with holes are both made of phase-change materials.
Two specific examples are listed below
Example one
In the phase change material in this example, the content of polylactic acid (PLA) is 55 wt%, the content of poly (lactide-co-glycolide) (PLGA) is 2 wt%, the content of Polyethylene (PE) is 18 wt%, the content of polyvinyl alcohol (PVA) is 15 wt%, and the content of Polycaprolactone (PCL) is 10 wt%.
Further, the glass transition temperature of the phase change material is 52 degrees celsius.
Further, a film with the thickness of 40 microns is prepared by adopting a phase-change material, and the film is used for preparing a film cooling section of the filter rod according to a paper rod process.
Compared with the filter rod with the polylactic acid film cooling section, the filter rod with the film cooling section has the advantage that the smoke temperature of the low-temperature cigarette is reduced by 1.8 ℃. Compared with the mouth stick with the polylactic acid film cooling section, the mouth stick with the film cooling section has the advantage that the temperature of the side surface (10 mm away from the tail part of the mouth stick) of the mouth stick at the lip contact part is reduced by 1.3 ℃.
Example two
On the basis of the above-mentioned embodiments, the phase change material in this embodiment has a polylactic acid (PLA) content of 35 wt%, a poly (lactide-co-glycolide) (PLGA) content of 12 wt%, a Polyethylene (PE) content of 10 wt%, a polyvinyl alcohol (PVA) content of 10 wt%, and a Polycaprolactone (PCL) content of 33 wt%.
Further, the glass transition temperature of the phase change material was measured to be 48 degrees celsius.
Further, the firmware 1 is prepared by using phase change material, the firmware 1 comprises a shell 11 with two hollow ends, and two filter plates 12 with holes are arranged in the shell 11 at intervals (as shown in fig. 1 and 2)
Further, a firmware cooling section of the filter rod is prepared by adopting the firmware.
Compared with the filter rod with the polylactic acid film cooling section, the filter rod with the firmware cooling section has the advantage that the smoke temperature of the low-temperature cigarette is reduced by 2.5 ℃. Compared with the mouth stick with the polylactic acid film cooling section, the mouth stick with the firmware cooling section has the advantage that the temperature of the side surface (10 mm away from the tail of the mouth stick) of the mouth stick at the lip contact position is reduced by 2.3 ℃.
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. The phase change material is characterized by comprising at least two of polylactic acid, polyethylene propylene terpolymer, polyethylene, polypropylene, polyvinyl alcohol and polyhexamethylene lactone.
2. The phase change material according to claim 1, wherein the polylactic acid is contained in an amount of 5 to 75 wt% based on the total weight of the phase change material.
3. The phase change material as claimed in claim 2, wherein the content of the poly (ethylene propylene diene monomer) is 2 to 75 wt% based on the total weight of the phase change material.
4. The phase change material according to claim 3, wherein the content of the polyethylene glycol is 2 to 75 wt% based on the total weight of the phase change material.
5. The phase change material according to claim 4, wherein the polyethylene is present in an amount of 3 to 85 wt% based on the total weight of the phase change material.
6. The phase change material according to claim 5, wherein the polypropylene is contained in an amount of 5 to 85 wt% based on the total weight of the phase change material.
7. The phase change material according to claim 6, wherein the polyvinyl alcohol is present in an amount of 5 to 65 wt% based on the total weight of the phase change material.
8. The phase change material according to claim 7, wherein the polyhexamethylene lactone is present in an amount of 5 to 65 wt% based on the total weight of the phase change material.
9. The phase change material as claimed in claim 1, wherein the glass transition temperature of the phase change material is 47-57 degrees celsius.
10. A method of preparing a phase change material according to any one of claims 1 to 9, comprising the steps of: and mixing at least two of the polylactic acid, the polyethylene propylene crosspolymer, the polyethylene, the polypropylene, the polyvinyl alcohol and the polycaprolactone to form the phase change material.
11. Use of a phase change material according to any one of claims 1 to 9 and a phase change material prepared according to the process of claim 10 in a novel filter rod for a tobacco product.
12. Use according to claim 11, wherein the filter rod comprises a film cooling section comprising a filter rod of film formed in a paper rod process.
13. Use according to claim 12, wherein the film is made of the phase change material.
14. Use according to claim 12, wherein the film has a thickness of 20 to 60 μm.
15. The use according to claim 11, wherein the filter rod comprises a firmware cooling section comprising a firmware having a hollow housing with two ends, two perforated filter plates being spaced apart inside the housing.
16. The use according to claim 15, wherein said housing and both said perforated filter plates are made of said phase change material.
17. The use according to claim 11, wherein the low temperature cigarette smoke temperature of the filter rod is lower than the low temperature cigarette smoke temperature of a filter rod made of polylactic acid material.
18. Use according to claim 11, wherein the temperature of the side surface of the mouth wand at which the lips come into contact is lower than the temperature of the side surface of the mouth wand made of polylactic acid material at which the lips come into contact.
19. A filter rod, characterized in that the filter rod comprises a first hollow rod segment close to a tobacco section and a first acetate fiber rod segment close to a mouth end, a film cooling section is arranged between the first hollow rod segment and the first acetate fiber rod segment, the film cooling section comprises a filter rod formed by a film according to a paper rod process, and the film is made of the phase change material according to any one of claims 1-9 and the phase change material prepared by the method according to claim 10.
20. A filter rod, wherein the filter rod comprises a second hollow rod section close to a tobacco section and a second cellulose acetate rod section close to a mouth end, a firmware cooling section is arranged between the second hollow rod section and the second cellulose acetate rod section, the firmware cooling section comprises firmware, the firmware comprises a shell with two hollow ends, two perforated filter plates are arranged in the shell at intervals, and the shell and the two perforated filter plates are both made of the phase change material according to any one of claims 1-9 and the phase change material prepared by the method according to claim 10.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910575218.2A CN112220109A (en) | 2019-06-28 | 2019-06-28 | Phase change material and preparation method and application thereof |
| EP19934833.5A EP3957193A4 (en) | 2019-06-28 | 2019-08-19 | Phase-change material, preparation method therefor and use thereof |
| PCT/CN2019/101301 WO2020258466A1 (en) | 2019-06-28 | 2019-08-19 | Phase-change material, preparation method therefor and use thereof |
| KR1020217037057A KR20220002375A (en) | 2019-06-28 | 2019-08-19 | Phase change material, manufacturing method and use thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910575218.2A CN112220109A (en) | 2019-06-28 | 2019-06-28 | Phase change material and preparation method and application thereof |
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| CN112220109A true CN112220109A (en) | 2021-01-15 |
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| CN201910575218.2A Pending CN112220109A (en) | 2019-06-28 | 2019-06-28 | Phase change material and preparation method and application thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113881205A (en) * | 2021-10-14 | 2022-01-04 | 浙江中烟工业有限责任公司 | Polylactic acid phase-change material with wide phase-change temperature range and preparation method thereof |
| CN114112812A (en) * | 2021-10-29 | 2022-03-01 | 华北电力大学 | Phase change particle testing device, solid-liquid phase change mechanism visualization experiment table and method |
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| US20150027474A1 (en) * | 2012-02-13 | 2015-01-29 | Philip Morris Products S.A. | Aerosol-generating article having an aerosol-cooling element |
| CN207604513U (en) * | 2016-12-16 | 2018-07-13 | 韩国烟草人参公社 | Aerosol product product |
| CN107536100A (en) * | 2017-09-26 | 2018-01-05 | 南通鑫源实业有限公司 | A kind of heating with cavity type container section is not burnt cigarette |
| CN107927913A (en) * | 2017-12-18 | 2018-04-20 | 南通鑫源实业有限公司 | A kind of cavity type container for being used to heat the cigarette that do not burn |
| CN207885659U (en) * | 2017-12-18 | 2018-09-21 | 南通金源新材料有限公司 | A kind of cavity type container for heating the cigarette that do not burn |
| CN109363254A (en) * | 2018-12-12 | 2019-02-22 | 湖北中烟工业有限责任公司 | A kind of low-temperature heat cigarette |
| CN109497611A (en) * | 2018-12-12 | 2019-03-22 | 湖北中烟工业有限责任公司 | One kind is improved to heat the cigarette cooling mouth stick that do not burn |
| CN109602089A (en) * | 2018-12-12 | 2019-04-12 | 湖北中烟工业有限责任公司 | A kind of comprehensive method promotes the cooling pipe of cooling effect |
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| CN113881205A (en) * | 2021-10-14 | 2022-01-04 | 浙江中烟工业有限责任公司 | Polylactic acid phase-change material with wide phase-change temperature range and preparation method thereof |
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