CN111035060A - Embedded composite structure and cigarette holder thereof - Google Patents
Embedded composite structure and cigarette holder thereof Download PDFInfo
- Publication number
- CN111035060A CN111035060A CN201911399803.8A CN201911399803A CN111035060A CN 111035060 A CN111035060 A CN 111035060A CN 201911399803 A CN201911399803 A CN 201911399803A CN 111035060 A CN111035060 A CN 111035060A
- Authority
- CN
- China
- Prior art keywords
- composite structure
- unit
- embedded composite
- embedded
- cooling unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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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
- A24D3/04—Tobacco smoke filters characterised by their shape or structure
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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
- A24D3/062—Use of materials for tobacco smoke filters characterised by structural features
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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
- A24D3/10—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent of cellulose or cellulose derivatives
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to an embedded composite structure, which comprises a spacing unit and a cooling unit, wherein the cooling unit is embedded into a cavity of the spacing unit, the cooling unit divides the cavity of the spacing unit into at least two sections of cavity sections, the inner wall of the spacing unit is smooth, the RA test value of the pipe wall roughness of the spacing unit is more than 0.4 micrometer, the elongation at break of the spacing unit is more than 30 percent, the wall material is compact and has no siphon phenomenon, and the wall thickness is 0.10-0.70 mm; the cooling unit is a sheet structure formed by gathering particulate matters, the structure comprises a gap through which cigarette smoke can pass, and the gap is a three-dimensional and nonlinear gap. The embedded composite structure has the outstanding characteristics of pressure drop and adjustable aerosol inlet temperature, and simultaneously reduces the compounding difficulty among all units and improves the compounding efficiency. The structure is combined with the aerosol forming substrate to complete the manufacture of the two-section aerosol generating article, and if the mouthpiece needs to be reserved, the manufacture of the three-section aerosol generating article can be completed.
Description
Technical Field
The invention belongs to the technical field of cigarettes, and relates to an embedded composite structure and a cigarette holder thereof.
Background
CN 104203015B discloses an aerosol-generating article with an aerosol-cooling element. The method is characterized in that: an aerosol-generating article comprises a plurality of elements assembled in the form of a rod. The plurality of elements comprises an aerosol-forming substrate and an aerosol-cooling element located downstream of the aerosol-forming substrate. A spacer element between the aerosol-forming substrate and the aerosol-cooling element. The aerosol-cooling element comprises a plurality of longitudinally extending channels and has a porosity in the longitudinal direction of 50% to 90%. The aerosol-cooling element may have a length of 300mm per mm2To 1000mm per mm length2Total surface area of (a). The aerosol passing through the aerosol-cooling element is cooled and, in certain embodiments, water condenses within the aerosol-cooling element.
CN109691697a discloses an aerosol-generating article, comprising an aerosol atomizing unit and a flue gas cooling unit, wherein the flue gas cooling unit is located at the downstream of the flow direction of the flue gas generated by the aerosol atomizing unit. Further, the device also comprises a filtering unit which is positioned at the downstream of the flow direction of the smoke passing through the smoke cooling unit; or the smoke cooling unit also comprises a hollow unit which is positioned at the upstream of the smoke flowing direction through the smoke cooling unit. The smoke cooling unit has a specific structure, the structure is a structure formed by gathering particulate matters, and the structure comprises a gap through which cigarette smoke can pass. The gap through which the cigarette smoke can pass is a three-dimensional and nonlinear gap. The structure is in the form of a bar. When the cigarette aerosol passes through the cooling unit, the smooth passage of the smoke is ensured. Because the porous substance is provided with the through holes, the smoke cooling area is large, and simultaneously, the low absorption resistance can be kept, thereby ensuring the smoke flux.
Although the two patents differ significantly in the construction of the cooling unit, the overall construction of the aerosol-generating article (if comprising a spacer unit) remains the same, i.e. the aerosol-forming substrate, the spacer (hollow) unit, the cooling unit, the mouthpiece.
The more prominent problems of CN 104203015B and CN109691697A are:
the common features of the above patents are: the structure is complicated, the difficulty of multi-unit compounding is high, and the compounding efficiency can be greatly reduced. For each specific unit, the solution needs to be such as: the multi-dimensional quality control of circumference, roundness, hardness and the like also needs to solve the problem of circumference, roundness and hardness matching among 4 units.
In particular: the interval cavity of interval unit is only at the front end of cooling unit, can not form interval cavity and the sequence and the various combination of cooling unit to the structural change of cigarette holder has been restricted, is unfavorable for the aerosol to merge in the interval cavity simultaneously and reconciles.
Disclosure of Invention
The invention aims to provide an embedded composite structure, which aims to solve the problems of reducing the composite difficulty among units, enabling the pressure drop of the embedded composite structure and the inlet temperature of aerosol to be adjustable, and enabling the aerosol to be blended in an interval cavity.
In order to achieve the above purpose, the solution of the invention is:
the structure of the existing four-section aerosol generating product is changed, the spacing unit and the cooling unit are combined into a whole, and if the mouthpiece is reserved, the overall structure is changed into a three-section type; the elimination of the mouthpiece can also be made in a simpler two-stage fashion.
The structure formed by gathering the particles of the cooling unit is embedded into the spacing unit, which is an optional method for combining the spacing unit and the cooling unit into a whole. Meanwhile, in order to realize that the spacing unit and the cooling unit are combined into one, the spacing unit is required to have special conditions: the interior of the spacing unit is smooth, and the roughness RA test value of the pipe wall is more than 0.4 micron, so that the embedding of a structure formed by the aggregation of particles of the cooling unit is facilitated; the spacing unit has to have proper elongation at break, so that a structure formed by aggregation of particles of the cooling unit is effectively prevented from bursting against the pipe wall of the spacing unit in the embedding process; the wall material of the spacing unit has no siphonage, the density of the wall material for manufacturing the spacing unit is 0.9-1.6 g/cubic centimeter, and small molecules in the aerosol can be effectively prevented from passing through, such as water molecules (generally, the water content of the aerosol directly influences the feeling of a consumer on the smoke temperature, the smoke temperature is hot when the water content is high, and the smoke temperature is proper when the water content is low); the wall thickness of the spacing unit is 0.05mm-0.70mm, so that the contact area between a structure formed by gathering particles of the cooling unit and the aerosol is ensured to the maximum extent; the circumference, roundness and hardness of the spacing unit are adjustable, and the requirement of later-stage production compounding is met.
The embedded composite structure is a complete structure with at least one cooling sheet structure with three-dimensional and nonlinear network gaps and at least one interval cavity.
Optionally, an embedded composite construction, includes interval unit and cooling unit, the cooling unit embedding in the cavity of interval unit, the cooling unit will two section at least cavity sections are separated into to the cavity of interval unit.
Optionally, the cooling unit is a sheet structure formed by gathering particulate matters, the structure comprises a gap through which cigarette smoke can pass, and the gap is a three-dimensional and nonlinear gap.
Optionally, the spacing unit is a cylindrical hollow tube.
Optionally, the surface of the cooling unit is adapted to the cavity of the spacing unit.
Optionally, the wall material density of the spacing unit is 0.9-1.6 g/cc, which effectively blocks small molecules in the aerosol.
Optionally, the interior of the spacing unit is smooth, the ISO 4287 standard is adopted, the RA test value of the pipe wall roughness of the spacing unit is greater than 0.4 micrometer, and the spacing unit is convenient for embedding of a sheet structure formed by particle aggregation of the cooling unit.
Preferably, the pipe wall roughness test value RA is in the range of 0.4 to 0.8 microns.
Optionally, the breaking elongation of the spacing unit exceeds 30%, and the structure formed by the aggregation of the particles of the cooling unit is effectively prevented from bursting against the pipe wall of the spacing unit in the embedding process.
Optionally, the inner diameter of the spacing unit accounts for 72% -98% of the outer diameter, the wall thickness is 0.05-0.70mm, the outer diameter is 5.0-8.0mm, and the preferred wall thickness is 0.1-0.5mm, so that the requirement of post-production compounding is met.
Optionally, the wall thickness of the spacing unit is 0.10mm, and the hardness is 66%; the wall thickness was 0.50mm and the hardness was 96%.
Optionally, the roundness of the spacing unit is less than or equal to 0.40mm, and the hardness is 60% -95%.
Optionally, the embedded composite structure has the characteristics of adjustable pressure drop and adjustable aerosol inlet temperature.
Optionally, the length of the sheet structure of the cooling unit is 3-12mm, the diameter is 4.0-7.8mm, and the void ratio is 40% to 90%.
Optionally, the wall material of the spacing unit comprises cellulose acetate and derivatives thereof, polyhydroxyalkanoate and polyolefin polymer,
wherein the degree of substitution of said cellulose acetate and derivatives thereof is from 1.5 to 2.8, and the molecular weight of said cellulose acetate and derivatives thereof is: 10000-.
Optionally, the polyolefin polymer comprises one or more of polypropylene, polyethylene and polystyrene.
Optionally, the cellulose acetate and its derivatives are selected from one of cellulose diacetate, cellulose acetate propionate, cellulose acetate butyrate, methyl cellulose, ethyl cellulose, hydroxypropyl cellulose.
Optionally, the wall material of the spacer unit may further comprise a plasticizer comprising one or a combination of more of glycerides, citrate esters, acetyl citrate esters, ethylene glycol oligomers, propylene glycol oligomers, epoxidized vegetable oil esters, and other fatty acid ester plasticizers.
It is a further object of the present invention to provide a mouthpiece comprising an embedded composite structure according to any of the above embodiments.
Another object of the present invention is to provide an embedded composite structure that achieves no-wrap paper wrapping using a mouthpiece-free two-stage design.
By adopting the scheme, the technical scheme of the invention has the beneficial effects that: in the microstructure, the embedded composite structure is formed by various combinations of sheet structures formed by the interval cavities and the particle aggregation of the cooling units, so that the pressure drop and the aerosol inlet temperature of the embedded composite structure are adjustable, the sheet structure formed by the particle aggregation of the cooling units has a porosity of 40-90%, and a Venturi effect is objectively formed, the effect is represented as the phenomenon that the flow velocity of fluid is increased when gas or liquid passes through a reduced flow cross section, the flow velocity of the fluid is inversely proportional to the flow cross section, and finally, a vacuum area is formed at the outflow end, namely the rear side, of the sheet structure formed by the particle aggregation of the cooling units, so that the smoke is very favorable for blending with the air in the interval cavities after passing through the sheet structure formed by the particle aggregation of the cooling units, and the composite difficulty between the units is reduced.
Drawings
Fig. 1 is a schematic structural view of a mouthpiece according to a first embodiment of the present invention.
Fig. 2 is a comparison schematic diagram of the cigarette holder structure embodiment of the invention in which the cooling unit is embedded in the spacing unit at different positions.
Detailed Description
In the invention, the cooling unit adopts a sheet structure formed by aggregating particles of the cooling unit in the patent CN 109691697A. The spacing units are embedded into a sheet structure formed by aggregation of the particles of the cooling unit, the thickness of the sheet structure is 3-12mm, the diameter of the sheet structure is 4.9-7.9mm, and the number of the embedded sheet structures is at least 1. The void volume of the porous mass is the free space remaining after the space occupied by the cellulose acetate particles. In order to determine the void volume of the sheet structure composed of the aggregates of the particles in the CN109691697a cooling unit, the average values of the upper and lower diameters based on the particle size were first determined for cellulose acetate, and then the volume was calculated using the density of cellulose acetate (assuming a spherical shape based on the average diameter). The porosity was calculated according to the porosity calculation formula in chinese patent CN 103330283.
The flaky structure formed by the aggregation of the particles of the cooling unit comprises basic particles, adhesive particles and a wrapping material; the contact points formed between the adhesive particles and the adhesive particles, between the adhesive particles and the base particles and between the base particles and the base particles are physically bonded at a plurality of positions, and the wrapping material is wrapped outside to form the bar with the porous structure. The platelet-shaped structures formed by the particle aggregation of the temperature reduction units have an average diameter in at least one dimension of a lower limit of 50 microns, 100 microns, 150 microns, 200 microns or 250 microns to an upper limit of 5000 microns, 2000 microns, 1000 microns, 900 microns or 700 microns. The binder particles have an average diameter in at least one dimension of a lower limit of 5 microns, 10 microns, 50 microns, 100 microns, or 150 microns to an upper limit of 500 microns, 400 microns, 300 microns, 250 microns, or 200 microns. The porosity is calculated according to the porosity calculation formula in Chinese patent CN103330283, the porosity of the sheet structure formed by the aggregation of the particles of the cooling unit is 40-90%, and the closed pressure drop is less than 2mmH2O/mm in length.
In the invention, the wall material of the spacing unit comprises cellulose acetate and derivatives thereof, polyhydroxyalkanoate, and polyolefin organic high polymer; optionally polylactide, polycaprolactone, polypropylene, polyethylene, polystyrene. The cellulose acetate and its derivatives include cellulose diacetate, cellulose acetate propionate, cellulose acetate butyrate, methyl cellulose, ethyl cellulose, and hydroxypropyl cellulose. Wherein the degree of substitution of said cellulose acetate and derivatives thereof is from 1.5 to 2.8. The molecular weight of the cellulose acetate and the derivative thereof is as follows: 10000-. Preferably 20000-. The cellulose acetate and derivatives thereof have an intrinsic viscosity of 1.35 to 1.7 dL/g. The softening point temperature of the high-density hollow filter rod of the cellulose acetate and the derivatives thereof is between 60 ℃ and 100 ℃. The content of the cellulose acetate or the derivative thereof in the wall material of the spacing unit is between 55% and 99%.
The wall material of the spacer unit may further comprise a plasticizer including, but not limited to, one or more combinations of glycerides, citrates, acetylcitrate esters, glycol oligomer, propylene glycol oligomer, epoxidized vegetable oil and other fatty acid ester plasticizers. The plasticizer used by the spacing unit is an environment-friendly plasticizer. Phthalate ester fat-soluble compounds are used as plasticizers in conventional polymer plasticizing processing, and the materials can also be used as plasticizers of cellulose acetate materials and belong to the field of non-environment-friendly plasticizers.
Preferably, the environment-friendly plasticizer is glycerol triacetate, and the addition amount of the environment-friendly plasticizer is 1% -45%, preferably 10% -40%, and more preferably 25% -35%.
Preferably, the environment-friendly plasticizer is glycerol triacetate and tributyl citrate, and the proportion of the tributyl citrate in the mixed plasticizer ranges from 0.1% to 60%, and preferably ranges from 20% to 55%. The amount of the mixed plasticizer added to the cellulose acetate is 1% to 45%, preferably 10% to 45%, more preferably 25% to 35%.
Preferably, the environment-friendly plasticizer is glycerol triacetate and acetyl tributyl citrate, and the proportion of the acetyl tributyl citrate in the mixed plasticizer ranges from 0.1% to 55%, and preferably ranges from 20% to 50%. The amount of the mixed plasticizer added to the cellulose acetate is 1% to 45%, preferably 10% to 40%, more preferably 25% to 35%.
Preferably, the environment-friendly plasticizer is triethylene glycol dimethyl ether, tetraethylene glycol dimethyl ether or triethylene glycol diacetate. The addition amount of one or more plasticizers is 1% -45%, preferably 10% -40%, more preferably 15% -30%.
Preferably, the plasticizer is polyvinyl alcohol (PEG) with a molecular weight in the range of 200-1500, preferably 250-800. The plasticizer is added in an amount of 1% to 45%, preferably 10% to 40%, more preferably 20% to 35%.
The wall material of the spacer unit may optionally include non-reactive inorganic inactive particles, solid additive particles for adjusting whiteness or color or improving other properties, including but not limited to titanium dioxide, alumina, zirconia, glass beads, silica, silicate// kaolin particles, sucrose powder, dextrin, lactose, powdered sugar, glucose, mannitol, starch, methyl cellulose, ethyl cellulose, microcrystalline cellulose, polylactic acid, polyhydroxybutyrate, poly epsilon-caprolactone, polyglycolic acid, polyhydroxyalkanoate, milled grain, one or more of aluminum, iron, copper, calcium sulfate.
The wall material of the spacing unit can selectively comprise an antioxidant, a heat stabilizer and an ultraviolet Light stabilizer, the antioxidant is widely used in high polymer materials and is used for preventing the polymer materials from losing strength and toughness due to oxidative degradation, and comprises pentaerythritol tetrakis [ β - (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate (antioxidant 1010), N-octadecyl 3- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate (antioxidant 1076), tris (2, 4-di-tert-butylphenyl) phosphite (antioxidant 168), 4' -thiobis (6-tert-butyl-3-methylphenol) (antioxidant 300), N ' -bis- (3- (35-di-tert-butyl-4-hydroxyphenyl) propionyl) hexanediamine (antioxidant 1098), 2' -methylenebis (4-methyl-6-tert-butylphenol) (antioxidant 2246), barium stearate, barium laurate, barium ricinoleate, calcium stearate, calcium ricinoleate, zinc stearate, magnesium stearate, Light stabilizer (English name: photostabilizer), an antioxidant, a high polymer which is a high polymer, a photostabilizer, a high polymer which can be used for delaying the degradation of the polymer materials, and the degradation of the polymer materials under the Light radiation, the Light absorption of high polymer materials, the aging, the use of the high polymer materials, the high polymer materials can be delayed, the use of a high polymer materials, the high polymer materials can be.
Optionally, other auxiliary agents may be added to the wall material of the spacer unit, including food grade pigments or dyes. The edible pigment includes red rice, chlorophyll, curcumin, and carotene. The environmentally friendly dye refers to a dye conforming to REACH registration, and generally includes Kayalon polylestisers LW disperse dye, hensmei Cibacet EL disperse dye, BASF company Compact Eco-CC-E (Eco-CC-S) disperse dye, Desida DianixAC-E (UPH) dye. The dye molecules may be completely dissolved in the mixed material or there may be no phase separation after mixing.
For those skilled in the art, the spacer unit generally adopts a common acetate fiber tow, the common acetate fiber tow passes through the spacer unit shaped by hot extrusion, obvious longitudinal fiber arrangement traces are left on the inner wall, the breaking elongation is low, a structure formed by particle aggregation in the CN109691697A cooling unit is easy to clamp and break the pipe wall in the embedding process, the spacer unit shaped by hot extrusion has obvious siphonage, and water molecules in aerosol are transmitted backwards through the wall material. The wall thickness of the spacing unit formed by hot extrusion of the common acetate fiber tows is minimum and exceeds 1mm, taking the spacing unit with the outer diameter of 7mm and the wall thickness of 1mm as an example, if the wall thickness is eliminated, the structure formed by the aggregation of particles of the CN109691697A cooling unit only occupies the embedded effective area (7-1 x 2)2/72X 100% ═ 51%. The inner wall of the middle spacing unit made of the materials is smooth, so that a structure formed by gathering particles of the CN109691697A cooling unit can be embedded conveniently. The pipe wall roughness RA value of the spacing unit is larger than 0.4 micron, the breaking elongation of the spacing unit exceeds 30%, when the density of the wall material of the spacing unit is 0.9-1.6 g/cubic centimeter, the wall material is compact and has no siphon phenomenon, the wall thickness is 0.10-0.70mm, the wall thickness is thin, and the heat exchange with the outside air is facilitated. The sheet structure embedding that the aforesaid setting is convenient for cooling unit particulate matter to gather and is constituteed is favorable to reducing the flue gas temperature simultaneously. Taking a spacing unit with the outer diameter of 7mm and the wall thickness of 0.20mm as an example, the effective area ratio of the structure formed by the aggregation of the particles of the CN109691697A cooling unit embedded in the spacing unit is increased to (7-0.2 x 2)2/72And the multiplied by 100 percent is 89 percent, so that the cross section area of the cooling unit is increased, and the cooling is facilitated.
According to the thickness, the number and the position of a sheet structure formed by the aggregation of embedded CN109691697A cooling unit particles, the sheet structure formed by the aggregation of CN109691697A cooling unit particles-a spacing cavity-CN 109691697A cooling unit particles-a spacing cavity, or the sheet structure formed by the aggregation of spacing cavity-CN 109691697A cooling unit particles-a spacing cavity-CN 109691697A cooling unit particles-a sheet structure formed by the aggregation of spacing cavity-CN 109691697A cooling unit particles-a spacing cavity and the like are macroscopically formed in a spacing unit, namely, the cooling-cavity-cooling-cavity, or the cavity-cooling-cavity-cooling is formed, or a plurality of integrated structures such as a cavity, a cooling cavity and the like, to form a complete structure which has at least one cooling sheet structure (usually cylindrical) with three-dimensional and nonlinear network gaps and at least one spacing cavity, and simultaneously, the complete structure also has the outstanding characteristics of pressure drop and adjustable aerosol inlet temperature. The structure is combined with the aerosol forming substrate to complete the manufacture of the two-section aerosol generating article, and if the mouthpiece needs to be reserved, the manufacture of the three-section aerosol generating article can be completed.
The invention is further described with reference to the following figures and examples. In this document, the left side of the schematic diagram is defined as the upstream side, the right side of the schematic diagram is defined as the downstream side, the end of the spacing unit far away from the acetate mouthpiece is defined as the tail end of the spacing unit, the end of the spacing unit near the acetate mouthpiece is defined as the head end of the spacing unit, the cavity sections of the spacing unit are sequentially defined as the first cavity section, the second cavity section, … … (and so on) from the left side to the right side, and the cooling unit is sequentially defined as the first cooling unit, the second cooling unit … … (and so on) from the left side to the right side.
As used herein, the term "hardness" refers to GB/T22838.6-2009, wherein the radial direction of a test specimen is subjected to a certain pressure during a certain time, and the percentage of the diameter of the test specimen after being pressed is compared with that before being pressed.
Example 1
The embedded composite structure comprises a spacing unit and a cooling unit, wherein the cooling unit is embedded into a cavity of the spacing unit. The wall thickness of the spacing unit is 0.30mm, the outer diameter is 7mm, and the hardness is 90%. The cooling unit 3 is a sheet structure formed by gathering particulate matters, the structure comprises a gap through which cigarette smoke can pass, the gap is a three-dimensional and nonlinear gap, the sheet structure formed by gathering particulate matters has a suction resistance of 7.2Pa/mm and a porosity of 82%.
And (3) connecting the embedded composite structure 2 with an acetate mouthpiece 1 and wrapping the acetate mouthpiece 1 by using a piece of forming paper to form a cigarette holder, wherein the acetate mouthpiece 1 is made of acetate tow with the single denier of 20/total denier 27000 and the suction resistance of 8.3 Pa/mm.
Fig. 1 is a schematic view of an axis of a cigarette holder in this embodiment, and as shown in fig. 1, an acetate mouthpiece 1 is connected to one end of the embedded composite structure, in this embodiment, the cooling unit 3 includes a first cooling unit 3-1 and a second cooling unit 3-2, the first cooling unit 3-1 and the second cooling unit 3-2 are respectively embedded in the middle and the end of the spacing unit, and the cavity of the embedded composite structure 2 is divided into a first cavity segment 2-1 and a second cavity segment 2-2, that is, the embedded composite structure forms a cavity-cooling-cavity-cooling integrated structure. The circumference of the manufactured cigarette holder is 22.0mm, the total length of the manufactured cigarette holder is 42mm, wherein the length of the acetate mouthpiece 1 is 12mm, and the length of the embedded composite structure 2 is 30 mm; in the embedded composite structure 2, the lengths of the first cooling unit 3-1 and the second cooling unit 3-2 are respectively 5 mm.
The lengths of the acetate fiber mouthpiece 1, the first cavity section 2-1, the first cooling unit 3-1, the second cavity section 2-2 and the second cooling unit 3-2 in the cigarette holder are 12mm, 12mm, 5mm, 8mm and 5mm in sequence.
Example 2
The present embodiment differs from embodiment 1 in that, as shown in fig. 2, the position of the spacer element in the mouthpiece of embodiment 2 shown in the figure is changed, and the other indices are not changed. In this embodiment, the first cooling unit and the second cooling unit are respectively embedded at the head end and the middle position of the spacing unit, and the cavity of the embedded composite structure is divided into a first cavity section and a second cavity section, that is, the embedded composite structure forms a cooling-cavity-cooling-cavity integrated structure.
As shown in the embodiment 2 of fig. 2, the lengths of the acetate fiber mouthpiece, the first cooling unit, the first cavity section, the second cooling unit and the second cavity section are 12mm, 5mm, 8mm, 5mm and 12mm in sequence.
Example 3
The difference between this embodiment and embodiment 1 is that, as shown in fig. 2, in the mouthpiece shown in embodiment 3 in the figure, only the first cooling means is provided in the spacing means, the length of the first cooling means is 5mm, and other indexes are unchanged. And the first cooling unit is embedded in the middle of the spacing unit, namely the embedded composite structure forms a cavity-cooling-cavity integrated structure,
as shown in the embodiment 3 of the cigarette holder in fig. 2, the lengths of the acetate fiber mouthpiece, the first cavity section, the first cooling unit and the second cavity section are 12mm, 12mm, 5mm and 13mm in sequence.
Example 4
The difference between this embodiment and embodiment 3 is that, as shown in fig. 2, in the mouthpiece shown in embodiment 4 in the figure, the length of the first cooling unit is 10mm, and other indexes are not changed.
As shown in the embodiment 4 of the cigarette holder in fig. 2, the lengths of the acetate fiber mouthpiece, the first cavity section, the first cooling unit and the second cavity section are 12mm, 10mm, 10mm and 10mm in sequence.
Example 5
The present embodiment differs from embodiment 1 described above in that, as shown in fig. 2, the spacer is not embedded in the mouthpiece shown in embodiment 5 in the figure, and other indices are not changed.
The length of the mouthpiece, the acetate mouthpiece and the spacer unit as shown in example 5 of figure 1 is 12mm and 30mm from left to right.
Example samples 1-5 were smoked and simulated smoking was performed according to the cigarette smoking model specified in national standard GB/T19609-2004 using the Canadian deep draw mode (HCI) with the following smoking parameters: aspiration volume 55mL, aspiration frequency 30s, aspiration duration 2 s. Detecting the smoke temperature value of 10-mouth cigarettes by using a thermocouple temperature detector, wherein the temperature of the position of the center of a cigarette filter stick, which is 0mm away from the mouth end, is measured as follows:
table 1: smoke temperature effect of different positions of cigarette holder with cooling unit embedded into spacing unit
| Example 1 | Example 2 | Example 3 | Example 4 | Example 5 | ||
| Suction resistance | kPa | 0.869 | 0.842 | 0.744 | 0.837 | 0.630 |
| First port suction | ℃ | 34.6 | 41.5 | 46.5 | 34.9 | 54.2 |
| Second port suction | ℃ | 47.8 | 50.6 | 54.2 | 47.9 | 59.4 |
| Third port suction | ℃ | 50.6 | 52.3 | 55.7 | 51.0 | 60.4 |
| Suction of the fourth port | ℃ | 51.3 | 52.5 | 56.2 | 51.5 | 59.9 |
| Suction of the fifth port | ℃ | 50.5 | 51.4 | 54.9 | 50.8 | 57.9 |
| Suction of sixth port | ℃ | 48.5 | 49.4 | 52.0 | 49.1 | 54.2 |
| Suction of the seventh port | ℃ | 45.6 | 46.6 | 48.5 | 46.6 | 49.5 |
| Suction of the eighth port | ℃ | 42.5 | 43.5 | 44.8 | 44.0 | 45.1 |
| Suction of ninth port | ℃ | 39.8 | 40.9 | 42.0 | 41.5 | 42.7 |
| Suction from the tenth port | ℃ | 37.8 | 38.8 | 40.1 | 39.5 | 41.4 |
The mouthpiece of examples 1 to 5 was tested according to the GB/T22838.6-2009 standard with a hardness in the range of 90-96%.
As can be seen from Table 1, according to GB/T22838.5-2009, the sheet structure formed by the aggregation of the particles of the cooling unit is designed to have different embedding positions and different lengths, so that various designs of the adsorption resistance values of 0.630-0.869Kpa in the embodiments 1-5 can be realized. The sheet structure formed by gathering the particles of the cooling unit is designed to be arranged at different embedding positions, so that the suction temperature is adjusted, the wide-range adjustment of the suction temperature of the second port of 47-60 ℃ and the wide-range adjustment of the suction temperature of the third port of 50-61 ℃ can be realized, and the subsequent suction temperature is correspondingly adjusted and changed.
Through determination, when the tobacco shreds are subjected to an external force, at least 2.5N of counterforce needs to be provided to ensure that the tobacco shreds do not displace, and the sheet-shaped structure formed by the aggregation of the particles of the cooling units in the spacing units can bear 4.0N of acting force, so that the closer the sheet-shaped structure formed by the aggregation of the particles of the cooling units in the spacing units is to the aerosol forming substrate end, the stronger the provided bearing force is, as shown in embodiment 1.
It is a further object of the present invention to provide a mouthpiece comprising an embedded composite structure according to any of the above embodiments.
The mouthpiece comprises a three-segment mouthpiece and a two-segment mouthpiece, wherein the three elements are arranged in sequential coaxial alignment and assembled by cigarette paper to form a rod, the aerosol-forming substrate and the mouthpiece are connected by the embedded composite structure, one end of the embedded composite structure is joined to the aerosol-forming substrate and the other end is joined to the mouthpiece, and a heating element is inserted into a side portion of the aerosol-forming substrate to heat the tobacco material in the aerosol-forming substrate to release volatile compounds from the tobacco material. The consumer draws on the mouthpiece of the mouthpiece and the volatile compounds are condensed and atomised to form an aerosol which is transported through the wand into the consumer's mouth; the two-section type cigarette holder comprises an aerosol forming base material and an embedded composite structure, wherein the aerosol forming base material is coaxially connected with the embedded composite structure, and one end of the embedded composite structure, which is far away from the aerosol forming base material, is used as a mouth end for suction. The invention also provides a two-section cigarette holder, which is formed by connecting the embedded composite structure without wrapping the forming paper with the aerosol forming base material to obtain the two-section cigarette holder without a mouthpiece, wherein the two-section cigarette holder is not wrapped by the forming paper.
According to the position difference of the cooling unit in the embedded composite structure, the cigarette is enabled to have the cigarette suction resistance and aerosol temperature regulation design functions. The appearance is novel. Since the non-wrap plug wrap is typically thin, aerosol flow can be seen, enhancing the consumer's visual perception.
The embodiments described above are intended to facilitate the understanding and appreciation of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the embodiments described herein, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.
Claims (15)
1. An embedded composite structure characterized by: the embedded composite structure is a complete structure with at least one cooling sheet structure with three-dimensional and nonlinear network gaps and at least one interval cavity.
2. The embedded composite structure of claim 1, wherein: the embedded composite structure comprises an interval unit and a cooling unit, wherein the cooling unit is embedded into a cavity of the interval unit, and the cooling unit divides the cavity of the interval unit into at least two sections of cavity sections.
3. The embedded composite structure of claim 2, wherein: the cooling unit is a sheet structure formed by gathering particulate matters, the structure comprises a gap through which cigarette smoke can pass, and the gap is a three-dimensional and nonlinear gap.
4. The embedded composite structure of claim 2, wherein: the length of the sheet structure of the cooling unit is 3-12mm, the diameter is 4.0-7.8mm, and the void ratio is 40-90%.
5. The embedded composite structure of claim 2, wherein: the spacing unit is a cylindrical hollow pipe.
6. The embedded composite structure of claim 2, wherein: the wall material density of the spacing unit is 0.9-1.6 g/cc.
7. The embedded composite structure of claim 2, wherein: the inner diameter of the spacing unit accounts for 72% -98% of the outer diameter.
8. The embedded composite structure of claim 2, wherein: the wall thickness of the spacing unit is 0.05-0.70mm, and the outer diameter is 5.0-8.0 mm.
9. The embedded composite structure of claim 8, wherein: the wall thickness of the spacing unit is 0.1-0.5 mm.
10. The embedded composite structure of claim 2, wherein: the inside of the spacing unit is smooth, and the pipe wall roughness RA test value is larger than 0.4 micrometer.
11. The embedded composite structure of claim 2, wherein: the elongation at break of the spacer element is more than 30%.
12. The embedded composite structure of claim 2, wherein: the roundness of the spacing unit is less than or equal to 0.40mm, and the hardness is 60-95%.
13. A mouthpiece comprising an embedded composite structure according to any of claims 1 to 12.
14. A holder according to claim 13, wherein: the mouthpiece comprises an aerosol-forming substrate, an embedded composite structure and a mouthpiece, the three elements being arranged in sequential coaxial alignment and assembled by cigarette paper to form a rod, the aerosol-forming substrate and the mouthpiece being connected by the embedded composite structure, one end of the embedded composite structure being engaged with the aerosol-forming substrate and the other end being engaged with the mouthpiece.
15. A holder according to claim 13, wherein: the cigarette holder comprises an aerosol forming base material and an embedded composite structure, the aerosol forming base material is coaxially connected with the embedded composite structure, one end of the embedded composite structure, which is far away from the aerosol forming base material, is used as a mouth end, and a two-section type cigarette holder without a mouthpiece and without wrapping of forming paper is formed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911399803.8A CN111035060A (en) | 2019-12-30 | 2019-12-30 | Embedded composite structure and cigarette holder thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911399803.8A CN111035060A (en) | 2019-12-30 | 2019-12-30 | Embedded composite structure and cigarette holder thereof |
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| CN111035060A true CN111035060A (en) | 2020-04-21 |
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| CN201911399803.8A Pending CN111035060A (en) | 2019-12-30 | 2019-12-30 | Embedded composite structure and cigarette holder thereof |
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