COOLING FILTER ROD, APPLICATION THEREOF AND CIGARETTE

Abstract

A cooling filter rod, an application, and a cigarette are provided. The cooling filter rod is mainly formed by cooling particles. The cooling particle includes a particle body and a shell coated on the particle body. The shell or the particle body contains a phase change material. The phase change material is coated on the surface of the particle material to form cooling particles, and the cooling particles are integrally formed into a cooling filter rod, which can be directly used for cigarette production after being compounded with conventional filter rods. The cooling effect can be controlled according to the amount of the phase change material and the cooling filter rod. Such a filter rod can realize industrial production and has low cost and good cooling effect.

Claims

1-12. (canceled)

13. A cooling filter rod, mainly formed by cooling particles, wherein: a cooling particle of the cooling particles comprises a particle body and a shell coated on the particle body, and the shell and/or the particle body contains a phase change material.

14. The cooling filter rod according to claim 13, wherein the phase change material comprises at least one of PLA, polyethylene glycol, stearic acid, palmitic acid, paraffin, microcrystalline wax, EVA, pentaerythritol, stearate-isopropanol ester, and stearate-glycerol ester.

15. The cooling filter rod according to claim 13, wherein: the shell further comprises a flavor enhancer; further, the flavor enhancer comprises a flavor and/or a tobacco extract; and preferably, the mass ratio of the phase change material to the flavor enhancer is 100: (0.5-10).

16. The cooling filter rod according to claim 13, wherein the mass of the shell accounts for 0.5-30% of the total mass of the cooling particle.

17. The cooling filter rod according to claim 13, wherein: the particle body contains plant fiber powder and/or inorganic material powder; the plant fiber powder comprises at least one of tobacco powder, corncob powder, rice husk powder, walnut shell powder, coconut shell powder, tangerine peel powder, and grapefruit peel powder; the inorganic material powder comprises at least one of calcium carbonate, carbon powder, ceramics, silica gel, and molecular sieves; and the particle body comprises an auxiliary molding material, and the auxiliary molding material comprises at least one of a binder, a wetting agent, and an excipient.

18. The cooling filter rod according to claim 13, wherein the particle body is obtained by thoroughly mixing base powder, hot melt adhesive powder, excipients, and water, granulating, drying, and sieving; wherein: the base powder comprises at least one of plant materials, inorganic materials, and metal powder; the plant materials comprise at least one of tobacco raw materials, straw, peanut shells, bagasse, corncobs, pericarp, and aromatic plants; the inorganic materials comprise at least one of carbon powder, clay, calcium carbonate, and silicon oxide; and the metal powder comprises at least one of iron powder, aluminum oxide, and copper powder.

19. The cooling filter rod according to claim 13, wherein the cooling particles have a diameter of 10 to 50 meshes.

20. The cooling filter rod according to claim 14, wherein the cooling particles have a diameter of 10 to 50 meshes.

21. The cooling filter rod according to claim 15, wherein the cooling particles have a diameter of 10 to 50 meshes.

22. The cooling filter rod according to claim 16, wherein the cooling particles have a diameter of 10 to 50 meshes.

23. The cooling filter rod according to claim 17, wherein the cooling particles have a diameter of 10 to 50 meshes.

24. The cooling filter rod according to claim 13, wherein the effective porosity inside the cooling filter rod is 65-95%.

25. The cooling filter rod according to claim 14, wherein the effective porosity inside the cooling filter rod is 65-95%.

26. The cooling filter rod according to claim 15, wherein the effective porosity inside the cooling filter rod is 65-95%.

27. The cooling filter rod according to claim 16, wherein the effective porosity inside the cooling filter rod is 65-95%.

28. The cooling filter rod according to claim 17, wherein the effective porosity inside the cooling filter rod is 65-95%.

29. The cooling filter rod according to claim 19, wherein: when the cooling particles are used for heat-not-burn cigarettes, the granulation is extrusion rounding granulation; and the cooling particles are spherical or approximately spherical, and have a bulk density of 0.8 to 2.5 g/ml.

30. The cooling filter rod according to claim 19, wherein when the cooling particles are used for conventional cigarettes, the cooling particles are spherical or amorphous, and have a bulk density of 0.4 to 1.6 g/ml.

31. A method of making a cigarette comprising using the cooling filter rod according to claim 13.

32. A cigarette, comprising a cooling filter rod, wherein the cooling filter rod comprises: a cooling particle of the cooling particles comprises a particle body and a shell coated on the particle body, and the shell contains a phase change material.

Description

DETAILED DESCRIPTION OF THE EMBODIMENTS

[0049] The following examples are intended to illustrate the content of the present invention, rather than to further limit the protection scope of the present invention.

EXAMPLE 1

[0050] In this embodiment, the test process included the following steps:

[0051] 1)100 parts of 100-150 mesh tobacco raw material powder, 20 parts of modified starch and 30 parts of microcrystalline cellulose by mass were taken, mixed uniformly and then sprayed with 30 parts of water, followed by uniform mixing to prepare a mixed soft material; 2) the soft material was granulated by extrusion rounding, dried and sieved, and 20-50 mesh tobacco particles were taken for later use; 3) the obtained tobacco particles were coated with molten PEG1500 in an amount of 10% of the mass of the tobacco particles, followed by sieving, and 20-40 mesh tobacco particles were taken as cooling tobacco particles; 4) the obtained cooling tobacco particles were continuously molded with microwave into a loose and porous cylinder with a circumference of 23.5 mm, and the cylinder was cut into 120 mm long cooling filter rods; and 5) the cooling filter rods were compounded with acetate fiber sections in a length ratio of 10:15 for preparing cigarettes, wherein the cooling sections were close to cut tobacco, and acetate fiber rods were also prepared into cigarettes of the same specification as a control. The two kinds of filter rod cigarettes were smoked, the temperatures at the outlet ends of the filter rods were tested at the fifth time of smoking, and the results were shown in Table 1.

EXAMPLE 2

[0052] In this embodiment, the test process included the following steps:

[0053] 1) 80 parts of 100-150 mesh corncob flour, 20 parts of calcium carbonate, 10 parts of

[0054] HPMC and 40 parts of microcrystalline cellulose by mass were taken, mixed uniformly and then sprayed with 25 parts of water, followed by uniform mixing to prepare a mixed soft material; 2) the soft material was granulated by extrusion rounding, dried and sieved, and 20-50 mesh corncob particles were taken for later use; 3) stearic acid and pentaerythritol in a mass ratio of 1: 1 were melted to coat the obtained corncob particles in an amount of 5% of the mass of the corncob particles, followed by sieving, and 10-50 mesh corncob particles were taken as cooling corncob particles; 4) the obtained cooling corncob particles were continuously molded into a loose and porous cylinder with a circumference of 23.5 mm by heat curing, and the cylinder was cut into 84 mm long cooling filter rods; and 5) the cooling filter rods were compounded with acetate fiber sections in a length ratio of 7:18 for preparing cigarettes, wherein the cooling sections were close to cut tobacco, and acetate fiber rods were also prepared into cigarettes of the same specification as a control. The two kinds of filter rod cigarettes were smoked, the temperatures at the outlet ends of the filter rods were tested at the fifth time of smoking, and the results were shown in Table 1.

EXAMPLE 3

[0055] In this embodiment, the test process included the following steps:

[0056] 1) 60 parts of 100-150 mesh grapefruit peel powder, 40 parts of carbon powder, 20 parts of modified starch, 20 parts of microcrystalline cellulose and 10 parts of lactose by mass were taken, mixed uniformly and then sprayed with 25 parts of water, followed by uniform mixing to prepare a mixed soft material; 2) the soft material was granulated by extrusion rounding, dried and sieved, and 20-50 mesh particles were taken for later use; 3) PEG3000, palmitic acid and stearate-isopropanol ester in a mass ratio of 1: 1: 1 were melted to coat the obtained particles in an amount of 15% of the mass of the particles, followed by sieving, and 20-40 mesh particles were taken as cooling particles; 4) the obtained cooling particles were continuously molded with microwave into a loose and porous cylinder with a circumference of 23.5 mm, and the cylinder was cut into 120 mm long cooling filter rods; and 5) the cooling filter rods were compounded with paper empty tube sections in a length ratio of 10:15 for preparing low-temperature cigarettes, wherein the cooling sections were close to cut tobacco, and acetate fiber rods were also prepared into low-temperature cigarettes of the same specification as a control. The two kinds of filter rod cigarettes were smoked, the temperatures at the outlet ends of the filter rods were tested at the fifth time of smoking, and the results were shown in Table 1.

TABLE-US-00001 TABLE 1 Temperature test results Outlet temperature Outlet temperature of samples of of samples of control rods cooling filter rods Example 1 65 C. 31 C. Example 2 67 C. 37 C. Example 3 55 C. 26 C.

[0057] The tests showed that the cooling filter rod provided by the present invention had a very obvious cooling effect, and compared with traditional filter rod cigarettes, the outlet temperature was reduced by more than 50%.

EXAMPLE 4

[0058] In this embodiment, the test process included the following steps:

[0059] 1) 100 parts of 100-150 mesh tobacco raw material powder, 20 parts of modified starch and 30 parts of microcrystalline cellulose by mass were taken, mixed uniformly and then sprayed with 30 parts of water, followed by uniform mixing to prepare a mixed soft material; 2) the mixed soft material was granulated by extrusion rounding, dried and sieved, and 20-50 mesh cooling particle cores were taken for later use; 3) PEG2000 was melted by heating and thoroughly mixed with menthone in a mass ratio of 100: 0.5 to obtain a mixed liquid; 4) the obtained cooling particle cores were coated with the mixed liquid in an amount of 10% of the mass of cooling particles, followed by sieving, and 30-50 mesh cooling particles containing menthone were taken; 5) the obtained cooling particles were continuously molded with microwave into a loose and porous cylinder with a circumference of 23.5 mm, and the cylinder was cut into 120 mm long cooling filter rod sections; and 6) the cooling filter rod sections were compounded with acetate fiber sections in a length ratio of 10: 15 for preparing cigarettes, wherein the cooling sections were close to cut tobacco, and acetate fiber rods were also prepared into cigarettes of the same specification as a control. The two kinds of filter rod cigarettes were smoked, the temperatures at the outlet ends of the filter rods were tested at the fifth time of smoking, and the temperature test results were shown in Table 2. At the same time, the two kinds of cigarettes smoked were evaluated, and the results were shown in Table 3.

EXAMPLE 5

[0060] In this embodiment, the test process included the following steps:

[0061] 1) 80 parts of 100-150 mesh corncob flour, 20 parts of calcium carbonate, 10 parts of HPMC and 40 parts of microcrystalline cellulose by mass were taken, mixed uniformly and then sprayed with 25 parts of water, followed by uniform mixing to prepare a mixed soft material; 2) the mixed soft material was granulated by extrusion rounding, dried and sieved, and 20-50 mesh cooling particle cores were taken for later use; 3) stearic acid and pentaerythritol in a mass ratio of 1: 1 were melted by heating, and mixed thoroughly and uniformly with a tobacco extract in a mass ratio of 100: 5 to obtain a mixed liquid; 4) the obtained cooling particles were coated with the mixed liquid in an amount of 5% of the mass of the cooling particles, followed by sieving, and 20-40 mesh flavor enhanced cooling particles containing the tobacco extract were taken; 5) the obtained cooling particles were continuously molded into a loose and porous cylinder with a circumference of 23.5 mm by heat curing, and the cylinder was cut into 84 mm long cooling filter rod sections; and 6) the cooling filter rod sections were compounded with acetate fiber sections in a length ratio of 7:18 for preparing cigarettes, wherein the cooling sections were close to cut tobacco, and acetate fiber rods were also prepared into cigarettes of the same specification as a control. The two kinds of filter rod cigarettes were smoked, the temperatures at the outlet ends of the filter rods were tested at the fifth time of smoking, and the results were shown in Table 2. At the same time, the two kinds of cigarettes smoked were evaluated, and the results were shown in Table 3.

EXAMPLE 6

[0062] In this embodiment, the test process included the following steps:

[0063] 1) 60 parts of 100-150 mesh grapefruit peel powder, 40 parts of carbon powder, 20 parts of modified starch, 20 parts of microcrystalline cellulose and 10 parts of lactose by mass were taken, mixed uniformly and then sprayed with 25 parts of water, followed by uniform mixing to prepare a mixed soft material; 2) the mixed soft material was granulated by extrusion rounding, dried and sieved, and 20-50 mesh cooling particle cores were taken for later use; 3) PEG3000, palmitic acid and stearate-isopropanol ester in a mass ratio of 1:1:1 were melted by heating, and mixed thoroughly and uniformly with coffee flavor in a mass ratio of 100:2 to obtain a mixed liquid; 4) the obtained cooling particle cores were coated with the mixed liquid in an amount of 15% of the mass of cooling particles, followed by sieving, and 20-40 mesh cooling particles were taken; 5) the obtained cooling particles were continuously molded with microwave into a loose and porous cylinder with a circumference of 23.5 mm, and the cylinder was cut into 120 mm long cooling filter rod sections; and 6) the cooling filter rod sections were compounded with paper empty tube sections in a length ratio of 10:15 for preparing low-temperature cigarettes, wherein the cooling sections were close to cut tobacco, and acetate fiber rods were also prepared into low-temperature cigarettes of the same specification as a control. The two kinds of filter rod cigarettes were smoked, the temperatures at the outlet ends of the filter rods were tested at the fifth time of smoking, and the results were shown in Table 2. At the same time, the two kinds of cigarettes smoked were evaluated, and the results were shown in Table 3.

TABLE-US-00002 TABLE 2 Temperature test results Outlet temperature Outlet temperature of samples of of samples of flavor control rods enhanced cooling filter rods Example 4 65 C. 31 C. Example 5 67 C. 37 C. Example 6 55 C. 26 C.

[0064] The tests showed that the cooling filter rod provided by the present invention had a very obvious cooling effect.

TABLE-US-00003 TABLE 3 Results of cigarette smoking evaluation Samples of control rod Samples of flavor enhanced samples cooling filter rods Example 4 Relatively full and Full and relatively harmonious harmonious flavor, slightly flavor, slightly mixed with mixed with impure smoke, impure smoke, moderate cooling and burning sensation at the sensation, and good uniformity last two streams of smoke throughout smoking Example 5 Relatively full and Full and relatively harmonious harmonious flavor, slightly flavor, slightly mixed with mixed with impure smoke, impure smoke, thicker tobacco and burning sensation at the aroma, and good uniformity last two streams of smoke throughout smoking Example 6 Relatively full flavor, Full flavor, enough smoke, no enough smoke, and burning burning sensation, light sensation at the first two coffee aftertaste, and release streams of smoke uniformity throughout smoking

[0065] The contents illustrated by the above embodiments should be understood as these embodiments are merely used for illustrating the present invention more clearly, rather than limiting the scope of the present invention. Various equivalent modifications made to the present invention by those skilled in the art after reading the present invention all fall within the scope defined by the appended claims of the present application.