CN108523216B - Preparation method of polylactic acid tow filter stick for reducing smoke temperature and reducing suction resistance - Google Patents
Preparation method of polylactic acid tow filter stick for reducing smoke temperature and reducing suction resistance Download PDFInfo
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- CN108523216B CN108523216B CN201810352351.7A CN201810352351A CN108523216B CN 108523216 B CN108523216 B CN 108523216B CN 201810352351 A CN201810352351 A CN 201810352351A CN 108523216 B CN108523216 B CN 108523216B
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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
- A24D3/0212—Applying additives to filter materials
- A24D3/022—Applying additives to filter materials with liquid additives, e.g. application of plasticisers
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
- A24B15/18—Treatment of tobacco products or tobacco substitutes
- A24B15/28—Treatment of tobacco products or tobacco substitutes by chemical substances
- A24B15/30—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
- A24B15/18—Treatment of tobacco products or tobacco substitutes
- A24B15/28—Treatment of tobacco products or tobacco substitutes by chemical substances
- A24B15/30—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances
- A24B15/302—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances by natural substances obtained from animals or plants
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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
- A24D1/18—Selection of materials, other than tobacco, suitable for smoking
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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
-
- 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
- A24D3/048—Tobacco smoke filters characterised by their shape or structure containing additives
-
- 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
- A24D3/062—Use of materials for tobacco smoke filters characterised by structural features
- A24D3/063—Use of materials for tobacco smoke filters characterised by structural features of the fibers
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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
- A24D3/06—Use of materials for tobacco smoke filters
- A24D3/067—Use of materials for tobacco smoke filters characterised by functional properties
- A24D3/068—Biodegradable or disintegrable
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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
- A24D3/06—Use of materials for tobacco smoke filters
- A24D3/08—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent
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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
- A24D3/06—Use of materials for tobacco smoke filters
- A24D3/14—Use of materials for tobacco smoke filters of organic materials as additive
-
- 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
- A24D3/17—Filters specially adapted for simulated smoking devices
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Abstract
The invention relates to a PLA tow filter stick capable of reducing smoke temperature and reducing suction resistance and a preparation method thereof. According to the invention, by increasing the addition amount of the phase-change material and combining with the low-suction-resistance PLA tow filter stick, the overall smoking taste of the cigarette and the heated non-burning cigarette is improved through triple cooling, the smoke temperature is reduced, the smoking comfort of consumers is improved, the process flow is simple, and the method is suitable for industrial production.
Description
[ technical field ] A method for producing a semiconductor device
The invention belongs to the technical field of cigarette product production. More particularly, the invention relates to a preparation method of a polylactic acid tow filter stick for reducing smoke temperature and reducing suction resistance.
[ background of the invention ]
The smoke is released in the combustion and distillation cracking processes of the tobacco, the smoke is filtered by a filter tip before being inhaled into the oral cavity of a consumer, the smoke temperature is slightly reduced, but the temperature of the mainstream smoke reaching the oral cavity can still reach 35-90 ℃. The higher smoke temperature can bring the stimulation of smoke and the burning feeling of the oral cavity, the smoking comfort of consumers is reduced, and the smoking rear end of the cigarette is particularly obvious. In order to control the temperature of the cigarette smoke, development designers increase the length of a filter tip or apply ventilation technology, but the technology can cause the problems of reduced cigarette smoke concentration, great suction force and the like, and have certain limitation on use.
Compared with the traditional cigarette, the heating non-combustible tobacco product can ensure that a consumer can smoke the tobacco fragrance, simultaneously reduces the harmful smoke components cracked and distilled out in the combustion process of the conventional cigarette, and leads the tobacco substances not to be combusted under the condition of 200 plus materials and 400 ℃ by carbon heating or electric heating, and generates smoke through low-temperature cracking. The smoke temperature of the filtered smoke is 45-90 ℃, and cooling structures are arranged in the cigarette structures of heating non-combustion cigarette products on the market to reduce the smoke temperature and improve the smoking comfort, but the effect is not ideal, and the reduction of the smoke temperature is a key technology for heating non-combustion cigarette products.
The application of the phase-change material in the filter stick is more and more widely mainly used for carrying aroma of aroma substances, and CN 105595417A discloses a linear composite gel aroma slow-release filter stick, a preparation method and application thereof, which can effectively increase the aroma adding amount, the aroma adding uniformity, controllability and stability of the filter stick of the aroma lines, and the function of cooling is only reported, the phase-change material is an endothermic reaction, and a large amount of heat needs to be absorbed in the solid-state to liquid-state process, which is also a physical cooling process.
Therefore, the present inventors have completed the present invention through a large number of experimental studies and summaries based on the prior art.
[ summary of the invention ]
[ problem to be solved ]
The invention aims to provide a preparation method of a polylactic acid tow filter stick for reducing smoke temperature and reducing suction resistance.
[ solution ]
The invention is realized by the following technical scheme.
The invention relates to a preparation method of a polylactic acid (PLA) tow filter stick for reducing smoke temperature and reducing suction resistance.
The preparation method comprises the following steps:
A. preparation of phase change Material mixtures
Mixing polyethylene glycol 400, polyethylene glycol 1000, polyethylene glycol 1500, water and stearic acid according to a mass ratio of 10-30: 15-40: 10-50: 10-20: 5-10 to obtain the phase change material mixture;
B. preparation of phase change materials containing fragrance materials
And B, mixing the fragrance substance and the phase-change material mixture obtained in the step A according to the mass ratio of 10-70: 35-85, adding the mixture into a sealed water bath, heating and dissolving the mixture at the temperature of 60-80 ℃ under the stirring condition, and preserving heat at the temperature of 90 ℃ to obtain the phase-change material solution containing the fragrant substances;
C. preparation of slow-release fragrance filter stick
According to the mass ratio of the phase-change material solution containing the fragrant substances to the polylactic acid tow of the filter tip of 1-15: and 8-10, spraying the phase change material solution containing the fragrant substances obtained in the step B onto the polylactic acid tow of the filter tip by using a spraying device with a shape nozzle, and curing and forming by using a filter stick machine to obtain the polylactic acid tow filter stick with the smoke temperature reduced and the suction resistance reduced.
According to a preferred embodiment of the invention, the aroma substance is one or more aroma substances selected from the group consisting of alcohol extracts, food flavors or humectants.
According to another preferred embodiment of the present invention, the alcohol extract is one or more alcohol extracts selected from the group consisting of plum extract, tree moss extract and licorice extract; the food flavor substance is one or more flavor substances selected from wine aroma, flower aroma, fruit aroma or mint aroma; the humectant is one or more selected from glycerol, propylene glycol or sorbitol.
According to another preferred embodiment of the invention said nozzle shape is constituted by one or more lines of phase change material.
According to another preferred embodiment of the invention, said shape is a line, a circle, a polygon or an irregular shape.
According to another preferred embodiment of the invention, the flavor substance of the phase change material is located in the center of the filter rod.
The invention also relates to the polylactic acid tow filter stick with the smoke temperature reduced and the suction resistance reduced, which is prepared by the preparation method.
The structure of the polylactic acid tow filter stick with the smoke temperature reduced and the suction resistance reduced is shown in figure 1.
According to a preferred embodiment of the invention, the suction resistance of the polylactic acid tow filter stick is 300-1200 Pa.
According to another preferred embodiment of the invention, the circumference of the polylactic acid tow filter stick is 16.0-25.0 mm.
According to the invention, by increasing the addition amount of the phase-change material and combining with the low-suction-resistance PLA tow filter stick, the overall smoking taste of the cigarette and the heated non-burning cigarette is improved through triple cooling, the smoke temperature is reduced, the smoking comfort of consumers is improved, the process flow is simple, and the method is suitable for industrial production.
[ advantageous effects ]
The invention has the beneficial effects that:
the invention is suitable for cigarette filter sticks or heating non-combustible tobacco products. The PLA tows used in the invention have degradability and low heat transfer coefficient, and the flue gas is changed from solid state to liquid state through the phase-change material and is also a heat absorption process, so that the temperature of the flue gas is greatly reduced, meanwhile, the phase-change material is used as a fragrance-carrying carrier, and the fragrance substances and water wrapped in the flue gas can be released through the elution of the flue gas, so that the richness of the fragrance substances of the flue gas is increased, and the specific heat capacity of the water is larger, so that the PLA tows have a certain effect on temperature reduction. According to the invention, by increasing the addition amount of the phase-change material and combining with the low-suction-resistance PLA tow filter stick, the overall smoking taste of the cigarette and the heated non-burning cigarette is improved through triple cooling, the smoke temperature is reduced, the smoking comfort of consumers is improved, the process flow is simple, and the method is suitable for industrial production.
[ description of the drawings ]
FIG. 1 is a schematic structural diagram of a polylactic acid tow filter stick with low smoke temperature and low resistance to draw of the invention;
in the figure:
1-forming paper; 2-PLA tows; 3-phase change material.
[ detailed description ] embodiments
The invention will be better understood from the following examples.
Example 1: preparation of low-smoke-temperature low-suction-resistance PLA tow filter stick
The implementation steps of this example are as follows:
A. preparation of phase change Material mixtures
Mixing polyethylene glycol 400, polyethylene glycol 1000, polyethylene glycol 1500, water and stearic acid according to a mass ratio of 15: 22: 46: 11: 6, mixing to obtain the phase-change material mixture;
B. preparation of phase change materials containing fragrance materials
B, mixing the tree moss extract with the phase change material mixture obtained in the step A according to a mass ratio of 46: 54, then adding the mixture into a sealed water bath, heating and dissolving the mixture at the temperature of 67 ℃ under the stirring condition, and then preserving the heat at the temperature of 90 ℃ to obtain the phase-change material solution containing the fragrant substances;
C. preparation of slow-release fragrance filter stick
According to the mass ratio of the phase-change material solution containing the fragrant substances to the PLA tows of the filter tip of 2: and 7, spraying the phase-change material solution containing the fragrant substances obtained in the step B onto the PLA tows of the filter tip by using a spraying device with a shape nozzle, and curing and forming by using a filter stick machine to obtain the PLA tow filter stick with the smoke temperature reduced and the suction resistance reduced. The suction resistance of the filter stick is 547Pa and the circumference is 24.2mm by adopting a conventional suction-assisted detection method.
The PLA tow filter rod prepared in this example was crimped to the rear end of a conventional tobacco rod using conventional cigarette crimping equipment to obtain cigarette sample a; and (3) using the modified cigarette rolling and connecting equipment to roll the PLA tow filter rod to the rear end of the heated non-burning tobacco rod to obtain a cigarette sample A-1.
Example 2: preparation of low-smoke-temperature low-suction-resistance PLA tow filter stick
The method comprises the following implementation steps:
A. preparation of phase change Material mixtures
Mixing polyethylene glycol 400, polyethylene glycol 1000, polyethylene glycol 1500, water and stearic acid according to a mass ratio of 21: 24: 39: 9: 7, mixing to obtain the phase-change material mixture;
B. preparation of phase change materials containing fragrance materials
And B, mixing the dried orange peel and mint flavor essence with the phase change material mixture obtained in the step A according to a mass ratio of 53: 47, then adding the mixture into a sealed water bath, heating and dissolving the mixture at the temperature of 72 ℃ under the stirring condition, and then preserving the heat at the temperature of 90 ℃ to obtain the phase-change material solution containing the fragrant substances;
C. preparation of slow-release fragrance filter stick
According to the mass ratio of the phase-change material solution containing the fragrant substances to the PLA tows of the filter tip of 5: and 10, spraying the phase-change material solution containing the fragrant substances obtained in the step B onto the PLA tows of the filter tip by using a spraying device with a shape nozzle, and curing and forming by using a filter stick machine to obtain the PLA tow filter stick with the smoke temperature reduced and the suction resistance reduced. The suction resistance of the filter stick is 834Pa and the circumference is 24.2mm by adopting a conventional suction-assisted detection method.
The PLA tow filter rod prepared in this example was crimped to the rear end of a conventional tobacco rod using conventional cigarette crimping equipment to obtain cigarette sample B; and (3) rolling the PLA tow filter rod to the rear end of the heating non-combustion cigarette rod by using the modified cigarette rolling and connecting equipment to obtain a cigarette sample B-1.
Example 3: preparation of low-smoke-temperature low-suction-resistance PLA tow filter stick
The method comprises the following implementation steps:
A. preparation of phase change Material mixtures
Mixing polyethylene glycol 400, polyethylene glycol 1000, polyethylene glycol 1500, water and stearic acid according to a mass ratio of 23: 14: 46: 12: 5, mixing to obtain the phase-change material mixture;
B. preparation of phase change materials containing fragrance materials
The mass ratio of the propylene glycol to the sorbitol is 1: 2 to obtain a fragrant substance, and mixing the fragrant substance with the phase-change material mixture obtained in the step A according to the mass ratio of 39: 61, mixing, adding into a sealed water bath, heating at 65 deg.C under stirring for dissolving, and keeping at 90 deg.C to obtain the phase-change material solution containing fragrant substances;
C. preparation of slow-release fragrance filter stick
According to the mass ratio of the phase-change material solution containing the fragrant substances to the PLA tows of the filter tip of 10: and 10, spraying the phase-change material solution containing the fragrant substances obtained in the step B onto the PLA tows of the filter tip by using a spraying device with a shape nozzle, and curing and forming by using a filter stick machine to obtain the PLA tow filter stick with the smoke temperature reduced and the suction resistance reduced. The suction resistance of the filter stick is 1124Pa and the circumference is 24.2mm by adopting a conventional suction-assisted detection method.
The PLA tow filter rods prepared in this example were crimped to the rear end of a conventional tobacco rod using conventional cigarette crimping equipment to obtain cigarette sample C; and (3) rolling the PLA tow filter rod to the rear end of the heating non-combustion cigarette rod by using the modified cigarette rolling and connecting equipment to obtain a cigarette sample C-1.
The cigarette samples prepared in examples 1 to 3 were subjected to simulated smoking according to the cigarette smoking model specified in national standard YC/T29-1996, and the temperature at the center of the middle section of the filter stick of the cigarette during smoking was measured using a K-type thermocouple temperature measuring instrument, and the measurement results are shown in tables 1 and 2.
Table 1: detection result of main stream smoke temperature of conventional cigarette
| Sample (I) | Lowest temperature of flue gas | Highest temperature of flue gas | Sensory evaluation |
| Control sample | 37.4℃ | 60.6℃ | Burning sensation in the back mouth |
| Cigarette A | 36.4℃ | 47.5℃ | The oral cavity is comfortable, no burning sensation is caused, and the flavor substances are released uniformly |
| Cigarette B | 36.2℃ | 43.2℃ | The oral cavity is comfortable, no burning sensation is caused, and the flavor substances are released uniformly |
| Cigarette C | 35.5℃ | 42.1℃ | The oral cavity is comfortable, no burning sensation is caused, and the smoke moistening feeling is good |
Table 2: detection result of mainstream smoke temperature of cigarette without burning during heating
| Sample (I) | Lowest temperature of flue gas | Highest temperature of flue gas | Sensory evaluation |
| Control sample | 43.5℃ | 67.2℃ | Burning sensation in the back mouth |
| Cigarette A-1 | 38.4℃ | 51..3℃ | The oral cavity is comfortable and slightly burning, and the flavor substances are released uniformly |
| Cigarette B-1 | 37.5℃ | 47.4℃ | The oral cavity is comfortable, no burning sensation is caused, and the flavor substances are released uniformly |
| Cigarette C-1 | 36.3℃ | 42.6℃ | The oral cavity is comfortable, no burning sensation is caused, and the smoke moistening feeling is good |
The detection data in tables 1 and 2 show that the mainstream smoke temperature of the tobacco product using the low-suction-resistance PLA filter stick is lower than that of a reference sample, the phase-change material is added in a certain proportion, the oral cavity does not have burning sensation, the smoking comfort is better, meanwhile, the flavor substances are uniformly released, and the smoke temperature is reduced more obviously along with the increase of the addition amount of the phase-change material. The reason for this is that the PLA heat transfer coefficient is very low, the physical heat absorption of the phase-change material and the specific heat capacity of water in the phase-change material are large, the mainstream temperature of smoke is greatly reduced after triple cooling, the larger the addition amount of the phase-change material is, the more obvious the cooling effect is, and the cooling function of the phase-change material is greater than the function of carrying fragrance.
Claims (8)
1. A preparation method of a polylactic acid tow filter stick for reducing smoke temperature and reducing suction resistance is characterized by comprising the following steps:
A. preparation of phase change Material mixtures
Mixing polyethylene glycol 400, polyethylene glycol 1000, polyethylene glycol 1500, water and stearic acid according to a mass ratio of 10-30: 15-40: 10-50: 10-20: 5-10 to obtain the phase change material mixture;
B. preparation of phase change materials containing fragrance materials
And B, mixing the fragrance substance and the phase-change material mixture obtained in the step A according to the mass ratio of 10-70: 35-85, adding the mixture into a sealed water bath, heating and dissolving the mixture at the temperature of 60-80 ℃ under the stirring condition, and preserving heat at the temperature of 90 ℃ to obtain the phase-change material solution containing the fragrant substances; the aromatic substances are one or more aromatic substances selected from food flavor substances or humectants;
C. preparation of slow-release fragrance filter stick
According to the mass ratio of the phase-change material solution containing the fragrant substances to the polylactic acid tow of the filter tip of 1-15: and 8-10, spraying the phase change material solution containing the fragrant substances obtained in the step B onto the polylactic acid tow of the filter tip by using a spraying device with a shape nozzle, and curing and forming by using a filter stick machine to obtain the polylactic acid tow filter stick with the smoke temperature reduced and the suction resistance reduced.
2. The method of claim 1, wherein the food flavor is one or more flavors selected from the group consisting of bouquet, floral, fruity or mint flavors; the humectant is one or more selected from glycerol, propylene glycol or sorbitol.
3. The method of claim 1, wherein in step C, the nozzle shape is formed by one or more lines of phase change material.
4. The method according to claim 3, wherein the shape is a line, a circle or a polygon.
5. The method according to claim 1, wherein in step B, the flavor substance of the phase-change material is located at the center of the filter rod.
6. The polylactic acid tow filter stick with the smoke temperature reduced and the suction resistance reduced, prepared by the preparation method according to any one of claims 1 to 5.
7. The polylactic acid tow filter stick according to claim 6, wherein the suction resistance of the polylactic acid tow filter stick is 300-1200 Pa.
8. The polylactic acid tow filter stick according to claim 6, wherein the circumference of the polylactic acid tow filter stick is 16.0-25.0 mm.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810352351.7A CN108523216B (en) | 2018-04-19 | 2018-04-19 | Preparation method of polylactic acid tow filter stick for reducing smoke temperature and reducing suction resistance |
| KR1020207033208A KR102251658B1 (en) | 2018-04-19 | 2019-04-18 | Manufacturing method of low suction resistance polylactic acid tow filter rod for lowering smoke temperature |
| RU2020137744A RU2761996C1 (en) | 2018-04-19 | 2019-04-18 | Method for manufacturing filtering rods from a pla bundle with low resistance to draw for reducing the smoking temperature |
| JP2020558528A JP6932859B2 (en) | 2018-04-19 | 2019-04-18 | How to prepare a low inhalation resistance polylactic acid long fiber bundle filter rod to reduce the temperature of tobacco smoke |
| PCT/CN2019/083184 WO2019201290A1 (en) | 2018-04-19 | 2019-04-18 | Method for preparing low-suction-resistance polylactic acid tow filter rod used for reducing temperature of cigarette vapor |
| GB2016466.1A GB2587508B (en) | 2018-04-19 | 2019-04-18 | A Method for Preparing PLA Tow Filter Rods with Low Draw Resistance for Reducing the Temperature of Smoke |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810352351.7A CN108523216B (en) | 2018-04-19 | 2018-04-19 | Preparation method of polylactic acid tow filter stick for reducing smoke temperature and reducing suction resistance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108523216A CN108523216A (en) | 2018-09-14 |
| CN108523216B true CN108523216B (en) | 2020-08-25 |
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| CN201810352351.7A Active CN108523216B (en) | 2018-04-19 | 2018-04-19 | Preparation method of polylactic acid tow filter stick for reducing smoke temperature and reducing suction resistance |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JP6932859B2 (en) |
| KR (1) | KR102251658B1 (en) |
| CN (1) | CN108523216B (en) |
| GB (1) | GB2587508B (en) |
| RU (1) | RU2761996C1 (en) |
| WO (1) | WO2019201290A1 (en) |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108523216B (en) * | 2018-04-19 | 2020-08-25 | 云南巴菰生物科技有限公司 | Preparation method of polylactic acid tow filter stick for reducing smoke temperature and reducing suction resistance |
| CN109288123B (en) * | 2018-08-24 | 2021-08-20 | 湖南中烟工业有限责任公司 | Cooling filter tip and cigarette |
| CN109222229A (en) * | 2018-10-11 | 2019-01-18 | 湖北中烟工业有限责任公司 | A kind of menthol base phase change composite material |
| CN109846085A (en) * | 2018-12-25 | 2019-06-07 | 杨成云 | A kind of preparation method of netted polylactic acid silk screen cigarette filter tip rod |
| CN109793274B (en) * | 2019-01-30 | 2024-01-19 | 湖北中烟工业有限责任公司 | Flavored novel heating non-combustible cigarette and preparation method thereof |
| KR20220002375A (en) * | 2019-06-28 | 2022-01-06 | 차이나 토바코 후베이 인더스트리얼 코퍼레이션 리미티드 | Phase change material, manufacturing method and use thereof |
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- 2019-04-18 GB GB2016466.1A patent/GB2587508B/en active Active
- 2019-04-18 WO PCT/CN2019/083184 patent/WO2019201290A1/en active Application Filing
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| JP2021511821A (en) | 2021-05-13 |
| WO2019201290A1 (en) | 2019-10-24 |
| RU2761996C1 (en) | 2021-12-14 |
| GB2587508B (en) | 2021-09-29 |
| KR20200134331A (en) | 2020-12-01 |
| KR102251658B1 (en) | 2021-05-13 |
| CN108523216A (en) | 2018-09-14 |
| GB202016466D0 (en) | 2020-12-02 |
| JP6932859B2 (en) | 2021-09-08 |
| GB2587508A (en) | 2021-03-31 |
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