CN114304726B

CN114304726B - Cigarette rod capable of improving ash packing performance, cigarette packaged by same and preparation method

Info

Publication number: CN114304726B
Application number: CN202011060098.1A
Authority: CN
Inventors: 罗玮; 银董红; 丁多; 文建辉; 王亮
Original assignee: China Tobacco Hunan Industrial Co Ltd
Current assignee: China Tobacco Hunan Industrial Co Ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2024-07-16
Anticipated expiration: 2040-09-30
Also published as: CN114304726A

Abstract

The invention belongs to the technical field of traditional cigarettes (combustion type cigarettes), and particularly relates to a cigarette rod for improving ash wrapping performance, which comprises a tobacco rod and cigarette paper wrapping the tobacco rod, wherein an additive A is added in the tobacco rod, and an additive B is added in the cigarette paper; wherein the additive A is at least one of alkali metal phosphate, hydrogen phosphate dibasic salt and dihydrogen phosphate monobasic salt; the additive B is water-insoluble silicate particles. The invention innovatively combines the additives A and B, and further cooperates with the combined control of the adding modes of the additives A and B, so that chemical reactions can be mutually generated in the combustion stage, thereby synergistically improving the ash wrapping effect and improving the combustion appearance of the cigarettes.

Description

Cigarette rod capable of improving ash packing performance, cigarette packaged by same and preparation method

Technical Field

The invention belongs to the technical field of traditional cigarettes, and particularly relates to a cigarette rod capable of improving ash wrapping performance and a cigarette thereof.

Background

The cigarette paper and the tobacco shreds are main bodies in the cigarette combustion process, and the problems of turning around, ash falling, black ash and the like in the combustion process are caused by the difference of combustion performance, so that the smoking experience of consumers is seriously affected. In recent years, many researches have been made at home and abroad on improving cigarette ash packing performance by adjusting cigarette paper parameters and the influence of different tobacco shred formulas on combustion. For example, carbon fiber cigarette paper with improved ash wrapping property invented by Modi company, namely, carbon fiber accounting for 60% of total fiber and having average length smaller than 1.91cm is added into the cigarette paper, so that the ash wrapping capability of the cigarette paper can be obviously improved. Cigarette paper for inhibiting soot dispersion, which has been developed by the Japanese tobacco company, can significantly inhibit soot breakage without increasing the total amount of auxiliary agents. The factors influencing the ash wrapping capability of the cigarettes are researched by the smoke in Hubei province, and the fact that the air permeability of the cigarette paper is increased, the air permeability of the cigarette paper is quantitatively increased, the content of the citrate combustion improver is reduced, the proportion of reconstituted tobacco is properly increased, ash wrapping of the cigarettes after combustion is tight, and the ash wrapping capability of the cigarette paper is enhanced is found.

In the aspect of the influence of a tobacco shred formula and a tobacco shred structure on the falling head of a combustion cone, researches have been carried out to discover that the size sequence of the influence factors of the tobacco shred structure on the falling rate of the combustion cone of the cigarette is that the ratio of the reconstituted tobacco shreds to the ratio of the filaments to the ratio of the medium filaments to the ratio of the stems by changing the sizes of the stem shreds, the reconstituted tobacco shreds and the cut tobacco shreds in the tobacco shred formula, and the ash wrapping phenomenon of the cigarette can be effectively improved by reducing the ratio of the filaments and improving the ratio of the medium and short shreds.

Although the prior art reports some techniques for improving the ash packing performance of cigarettes, the ash packing effect of cigarettes still needs to be further improved.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a cigarette rod (also called a combustion rod for short) capable of improving the ash wrapping performance of cigarettes, and aims to provide the cigarette rod capable of remarkably improving the ash wrapping performance through the synergistic combination of a tobacco rod and cigarette paper.

The second aim of the invention is to provide a preparation method of the cigarette rod.

The third object of the invention is to provide a cigarette with the cigarette rod.

The cigarette rod for improving the ash wrapping performance comprises a tobacco rod and cigarette paper wrapping the tobacco rod, wherein an additive A is added to the tobacco rod, and an additive B is added to the cigarette paper;

wherein the additive A is at least one of alkali metal phosphate, hydrogen phosphate dibasic salt and dihydrogen phosphate monobasic salt;

The additive B is water-insoluble silicate particles.

The invention innovatively combines the additives A and B, and further cooperates with the combined control of the adding modes of the additives A and B, so that the additives A and B can mutually and chemically react in the combustion stage, thereby synergistically improving the ash wrapping effect and improving the combustion appearance of the cigarettes.

In the invention, the control of the components A and B and the special control of the adding mode are key to realizing the synergy of the additives A and B. The invention researches that the required additive A and additive B are adopted, the additive A is further taken as a core, the additive B is taken as a shell layer, and good synergistic effect can be realized in the aspect of improving the coating ash based on the component control and the control of the special core-shell structure.

In the invention, the additive A is a salt containing alkali metal and phosphate, wherein the alkali metal is preferably sodium. It is found that sodium phosphate is used as a core in the combustion process of cigarettes, and the shell of the additive B is further matched, so that the ash wrapping effect is further improved.

Preferably, the additive A is at least one of sodium phosphate, sodium dihydrogen phosphate, disodium hydrogen phosphate, potassium dihydrogen phosphate and dipotassium hydrogen phosphate.

Further preferably, the additive A is a compound additive. The compound additive A comprises two or more additives.

The preferable compound additive A at least comprises sodium phosphate and also selectively comprises at least one of sodium dihydrogen phosphate, disodium hydrogen phosphate, potassium phosphate, monopotassium phosphate and dipotassium hydrogen phosphate. The invention researches find that the additive A is adopted to further match with the additive B and the control of the core-shell structure, thereby being beneficial to further improving the ash coating performance of the material.

Still more preferably, the additive a comprises at least sodium phosphate and optionally at least one of sodium dihydrogen phosphate and potassium phosphate.

Still more preferably, in the compounded additive a, the content of sodium phosphate is not less than 10wt.%; preferably 40 to 60wt.%.

In the invention, the additive A is uniformly adsorbed in the tobacco shreds of the tobacco rod. For example, the additive A is sprayed on the tobacco rod in the form of a solution and then dried.

In the invention, the tobacco rod contains tobacco shreds and the additive A, and other auxiliary agents allowed to be added in the traditional cigarette field, such as a binder, a flavoring agent and the like, can be added.

The present inventors have found that further control of the amount of additive a in the tobacco rod helps to further improve the synergistic effect of the additives a and B and the core-shell structure. Preferably, the mass percentage of the additive A in the tobacco rod is 0.2-2.0%; preferably 0.5 to 1.8%; more preferably 0.7 to 1.5%.

In the present invention, the additive B is preferably water-insoluble solid particles, which helps to further improve the ash coating effect.

In the cigarette paper, the particle size of the additive B is 0.2-5.0 microns (refer to the D50 particle size).

Preferably, the additive B is at least one of magnesium silicate, calcium silicate and ferric silicate.

Preferably, the additive B is a compound additive B; binary or ternary mixtures of two of magnesium silicate, calcium silicate, iron silicate are preferred. The invention researches find that the additive B is adopted to further match with the additive A and the control of the core-shell structure, thereby being beneficial to further improving the ash coating performance of the material.

Further preferably, the additive B is a binary mixture, and the mass ratio of each component is 1-8: 8 to 1.

Preferably, the cigarette paper also comprises plant fibers, a filler and a combustion improver.

Preferably, the plant fiber can be fiber conventional in the cigarette field, and more preferably at least one of needle-leaved wood fiber and broad-leaved wood fiber.

In the invention, the filler in the cigarette paper can be any material known in the field of cigarette paper, and preferably, the filler is calcium carbonate.

In the invention, the combustion improver in the cigarette paper can be any material known in the field of cigarette paper, and preferably, the combustion improver is at least one of potassium citrate and sodium citrate.

Preferably, the combustion improver is a mixture of potassium citrate and sodium citrate with the mass ratio of 5:1-1:5.

In the cigarette paper, the weight content of the additive B is 2-10%; the weight content of the combustion improver is 1-4%; the weight content of the filler is 20-35%; the balance of plant fiber.

In the invention, other auxiliary agents which can be added in the cigarette paper.

In the cigarette, the mass ratio of the additive A to the additive B is 1:1-1:15; more preferably 1:2 to 1:10.

The invention also provides a preparation method of the cigarette rod for improving the ash wrapping performance, which is to obtain the tobacco rod added with the additive A and the cigarette paper added with the additive B, wrap the tobacco rod with the cigarette paper and obtain the cigarette rod.

In the present invention, the steps of obtaining a tobacco rod with additive A added thereto are: spraying the solution dissolved with the additive A into the tobacco shred raw materials, uniformly mixing, and drying and rolling to obtain tobacco shred rods;

or making the tobacco shred into tobacco rod, directly spraying solution containing additive A into tobacco rod, and drying.

Preferably, the solution dissolved with the additive A is an aqueous solution of the additive A, wherein the mass percentage concentration of the solute is 5-10%.

Preferably, the preparation process of the cigarette paper comprises the following steps:

Pulping the plant fiber pulp, the filler, the combustion improver and the additive B, then carrying out papermaking, and drying to obtain the cigarette paper.

A preferred method of preparation comprises the steps of:

(1) The improved ash-coated cigarette paper mainly comprises 25-40% of plant fiber slurry, 2-4% of filler, 2-1:5 of combustion improver potassium citrate and sodium citrate, and 29-40g m ^-2 of cigarette paper.

(2) In the plant fiber slurry, softwood pulp and hardwood pulp are subjected to slurry preparation according to the weight ratio of 1:6-6:1.

(3) The additive B on the cigarette paper is magnesium silicate, calcium silicate, ferric silicate powder or freshly prepared suspension. The grain diameter is 0.2-5.0 microns, and the addition amount is 2% -10%.

(4) The additive A in the tobacco shred is one or more of sodium phosphate, sodium dihydrogen phosphate and disodium hydrogen phosphate, and is added by uniformly spraying 5-10% concentration solution, wherein the addition amount is 0.1-1.5% of the weight of the tobacco shred.

(5) And rolling the cigarette paper and the cut tobacco added with the additive A into cigarettes on a cigarette rolling machine, and testing the ash wrapping performance of the cigarettes.

The cigarette rod prepared by the preparation method is based on the joint control of the additives A and B and the addition position, and the mutual chemical action of the additives A and B is utilized to synergistically improve the adhesion action between particles, so that firm adhesion between tobacco shred ash and cigarette paper ash is realized, and the combustion appearance quality of the cigarette is obviously improved.

The invention also provides a cigarette, which comprises the cigarette rod with improved ash wrapping performance.

The cigarette further comprises a filter tip rod connected with the cigarette rod.

Advantageous effects

1. The invention is based on the precise control of the components of the additives A and B and the combined control of the adding modes, and can improve the synergy of the additives A and B and the ash wrapping effect of cigarettes unexpectedly.

2. The combined control of the additive components of the additives A and B is further realized by adopting the compounded additives A and B, so that the synergy of the additives A and B is further improved, and the ash coating effect is further improved.

Drawings

Fig. 1 is a view showing the appearance of the burning ash of cigarettes according to the embodiment of the invention and the comparative example.

Example 1

Taking 100 kg of softwood pulp, 200 kg of hardwood pulp and 15 kg of magnesium silicate (additive B) with the particle size of 2.0-4.0 microns, adding 150 kg of calcium carbonate to carry out pulping and papermaking, preparing a mixed combustion improver solution of 4% of potassium citrate and 2% of sodium citrate by mass percent, uniformly adding the prepared combustion improver solution into cigarette paper at a sizing section of cigarette paper production through a metering rod type film transfer sizing machine, producing the cigarette paper according to a conventional papermaking method, and controlling parameters of the cigarette paper on equipment to be: the ration is 29g m ^-2, the air permeability is 60 COESTA, the content of the combustion improver is 2.4 percent, and the adding amount of magnesium silicate in the cigarette paper is 3 percent (the number is P1). Spraying 5% sodium phosphate solution on tobacco shred, and oven drying to obtain tobacco shred with sodium phosphate (additive A) content of 1%. The prepared cigarette paper and tobacco shreds are subjected to trial production to prepare a cigarette with a certain brand (number C1), the burning appearance of the cigarette is photographed by a high-resolution camera, and the obtained photographs are subjected to ash wrapping performance test and evaluation, and the results are shown in fig. 1 and table 1.

Example 2

The only difference compared to example 1 is that the content of additive a is varied, in particular:

Taking 100 kg of softwood pulp, 200 kg of hardwood pulp and 15 kg of magnesium silicate with the grain diameter of 2.0-4.0 microns, adding 150 kg of calcium carbonate for pulping and papermaking, preparing a mixed combustion improver solution of 4% of potassium citrate and 2% of sodium citrate by mass percent, uniformly adding the prepared combustion improver solution into cigarette paper at a sizing section of cigarette paper production through a metering rod type film transfer sizing machine, and producing the cigarette paper according to a conventional papermaking method, wherein the parameters of the cigarette paper are controlled on equipment: the ration is 29g m ^-2, the air permeability is 60 COESTA, the content of the combustion improver is 2.4 percent, and the adding amount of magnesium silicate in the cigarette paper is 3 percent (the number is P2). Spraying 10% sodium phosphate solution on tobacco shred, and oven drying to obtain tobacco shred with sodium phosphate addition of 2%. The prepared cigarette paper and tobacco shreds are subjected to trial production to prepare a cigarette with a certain brand (number C2), the burning appearance of the cigarette is photographed by a high-resolution camera, and the obtained photographs are subjected to ash wrapping performance test and evaluation, and the results are shown in Table 1.

Example 3

The only difference compared to example 1 is that the kind of additive a is changed, specifically:

Taking 100 kg of softwood pulp, 200 kg of hardwood pulp and 15 kg of magnesium silicate with the grain diameter of 2.0-4.0 microns, adding 150 kg of calcium carbonate for pulping and papermaking, preparing a mixed combustion improver solution of 4% of potassium citrate and 2% of sodium citrate by mass percent, uniformly adding the prepared combustion improver solution into cigarette paper at a sizing section of cigarette paper production through a metering rod type film transfer sizing machine, and producing the cigarette paper according to a conventional papermaking method, wherein the parameters of the cigarette paper are controlled on equipment: the ration is 29g m ^-2, the air permeability is 60 COESTA, the content of the combustion improver is 2.4 percent, and the adding amount of magnesium silicate in the cigarette paper is 3 percent (the number is P3). Spraying the cut tobacco with sodium dihydrogen phosphate solution with concentration of 5%, and oven drying to obtain cut tobacco with sodium dihydrogen phosphate addition of 1%. The prepared cigarette paper and tobacco shreds are subjected to trial production to prepare a cigarette with a certain brand (number C3), the burning appearance of the cigarette is photographed by a high-resolution camera, and the obtained photographs are subjected to ash wrapping performance test and evaluation, and the results are shown in Table 1.

Example 4

Taking 100 kg of softwood pulp, 200 kg of hardwood pulp and 15 kg of magnesium silicate with the grain diameter of 2.0-4.0 microns, adding 150 kg of calcium carbonate for pulping and papermaking, preparing a mixed combustion improver solution of 4% of potassium citrate and 2% of sodium citrate by mass percent, uniformly adding the prepared combustion improver solution into cigarette paper at a sizing section of cigarette paper production through a metering rod type film transfer sizing machine, and producing the cigarette paper according to a conventional papermaking method, wherein the parameters of the cigarette paper are controlled on equipment: the ration is 29g m ^-2, the air permeability is 60 COESTA, the content of the combustion improver is 2.4 percent, and the adding amount of magnesium silicate in the cigarette paper is 3 percent (the number is P4). And spraying the cut tobacco with a disodium hydrogen phosphate solution with the concentration of 5%, and drying to obtain the cut tobacco with the disodium hydrogen phosphate addition of 1%. The prepared cigarette paper and tobacco shreds are subjected to trial production to prepare a cigarette with a certain brand (number C4), the burning appearance of the cigarette is photographed by a high-resolution camera, and the obtained photographs are subjected to ash wrapping performance test and evaluation, and the results are shown in Table 1.

Example 5

Taking 100 kg of softwood pulp, 200 kg of hardwood pulp and 15 kg of magnesium silicate with the grain diameter of 2.0-4.0 microns, adding 150 kg of calcium carbonate for pulping and papermaking, preparing a mixed combustion improver solution of 4% of potassium citrate and 2% of sodium citrate by mass percent, uniformly adding the prepared combustion improver solution into cigarette paper at a sizing section of cigarette paper production through a metering rod type film transfer sizing machine, and producing the cigarette paper according to a conventional papermaking method, wherein the parameters of the cigarette paper are controlled on equipment: the ration is 29g m ^-2, the air permeability is 60 COESTA, the content of the combustion improver is 2.4 percent, and the adding amount of magnesium silicate in the cigarette paper is 3 percent (the number is P5). Spraying 5% potassium phosphate solution on tobacco shreds, and oven drying to obtain tobacco shreds with potassium phosphate addition of 1%. The prepared cigarette paper and tobacco shreds are subjected to trial production of cigarettes (number C5) with a certain brand, the burning appearance of the cigarettes is photographed by a high-resolution camera, and the obtained photographs are subjected to ash wrapping performance test and evaluation, and the results are shown in Table 1.

Example 6

taking 100 kg of softwood pulp, 200 kg of hardwood pulp and 15 kg of magnesium silicate with the grain diameter of 2.0-4.0 microns, adding 150 kg of calcium carbonate for pulping and papermaking, preparing a mixed combustion improver solution of 4% of potassium citrate and 2% of sodium citrate by mass percent, uniformly adding the prepared combustion improver solution into cigarette paper at a sizing section of cigarette paper production through a metering rod type film transfer sizing machine, and producing the cigarette paper according to a conventional papermaking method, wherein the parameters of the cigarette paper are controlled on equipment: the ration is 29g m ^-2, the air permeability is 60 COESTA, the content of the combustion improver is 2.4 percent, and the adding amount of magnesium silicate in the cigarette paper is 3 percent (the number is P6). Spraying the cut tobacco with 5% concentration potassium dihydrogen phosphate solution, and oven drying to obtain cut tobacco with 1% potassium dihydrogen phosphate. The prepared cigarette paper and tobacco shreds are subjected to trial production of cigarettes (number C6) with a certain brand, the burning appearance of the cigarettes is photographed by a high-resolution camera, and the obtained photographs are subjected to ash wrapping performance test and evaluation, and the results are shown in Table 1.

Example 7

The only difference compared to example 1 is that the type of additive a (with compounded additive a) is changed, in particular:

Taking 100 kg of softwood pulp, 200 kg of hardwood pulp and 15 kg of magnesium silicate with the grain diameter of 2.0-4.0 microns, adding 150 kg of calcium carbonate for pulping and papermaking, preparing a mixed combustion improver solution of 4% of potassium citrate and 2% of sodium citrate by mass percent, uniformly adding the prepared combustion improver solution into cigarette paper at a sizing section of cigarette paper production through a metering rod type film transfer sizing machine, and producing the cigarette paper according to a conventional papermaking method, wherein the parameters of the cigarette paper are controlled on equipment: the ration is 29g m ^-2, the air permeability is 60 COESTA, the content of the combustion improver is 2.4 percent, and the adding amount of magnesium silicate in the cigarette paper is 3 percent (the number is P7). And spraying 5% sodium phosphate and sodium dihydrogen phosphate (the weight ratio of the sodium phosphate to the sodium dihydrogen phosphate is 1:1) solution on the cut tobacco, and drying to obtain the cut tobacco with the total addition of the sodium phosphate and the sodium dihydrogen phosphate of 1%. The prepared cigarette paper and tobacco shred are made into cigarettes (number C7) with a certain brand in a trial mode, a high-resolution camera is used for photographing the burning appearance of the cigarettes, and the obtained photographs are subjected to ash wrapping performance test and evaluation, and the results are shown in table 1.

Example 8

Taking 100 kg of softwood pulp, 200 kg of hardwood pulp and 15 kg of magnesium silicate with the grain diameter of 2.0-4.0 microns, adding 150 kg of calcium carbonate for pulping and papermaking, preparing a mixed combustion improver solution of 4% of potassium citrate and 2% of sodium citrate by mass percent, uniformly adding the prepared combustion improver solution into cigarette paper at a sizing section of cigarette paper production through a metering rod type film transfer sizing machine, and producing the cigarette paper according to a conventional papermaking method, wherein the parameters of the cigarette paper are controlled on equipment: the ration is 29g m ^-2, the air permeability is 60 COESTA, the content of the combustion improver is 2.4 percent, and the adding amount of magnesium silicate in the cigarette paper is 3 percent (the number is P8). And spraying a solution of sodium phosphate and potassium phosphate (the weight ratio of the sodium phosphate to the potassium phosphate is 1:1) with the concentration of 5%, and drying to obtain the cut tobacco with the addition of 1% of sodium phosphate and potassium phosphate. The prepared cigarette paper and tobacco shreds are subjected to trial production to prepare a cigarette with a certain brand (number C8), the burning appearance of the cigarette is photographed by a high-resolution camera, and the obtained photographs are subjected to ash wrapping performance test and evaluation, and the results are shown in fig. 1 and table 1.

Example 9

Taking 100 kg of softwood pulp, 200 kg of hardwood pulp and 15 kg of magnesium silicate with the grain diameter of 2.0-4.0 microns, adding 160kg of calcium carbonate for pulping and papermaking, preparing a mixed combustion improver solution of 4% of potassium citrate and 2% of sodium citrate by mass percent, uniformly adding the prepared combustion improver solution into cigarette paper at a sizing section of cigarette paper production through a metering rod type film transfer sizing machine, and producing the cigarette paper according to a conventional papermaking method, wherein the parameters of the cigarette paper are controlled on equipment: the ration is 29g m ^-2, the air permeability is 60 COESTA, the content of the combustion improver is 2.4 percent, and the adding amount of magnesium silicate in the cigarette paper is 3 percent (the number is P9). And spraying 5% sodium phosphate and dipotassium hydrogen phosphate solution (the weight ratio of the sodium phosphate to the dipotassium hydrogen phosphate is 1:1) on the cut tobacco, and drying to obtain the cut tobacco with the addition of 1% of sodium phosphate and dipotassium hydrogen phosphate. The prepared cigarette paper and tobacco shreds are subjected to trial production of cigarettes (number C9) of a certain brand, the burning appearance of the cigarettes is photographed by a high-resolution camera, and the obtained photographs are subjected to ash wrapping performance test and evaluation, and the results are shown in Table 1.

Example 10

The only difference compared to example 1 is that the kind of additive B is changed, specifically:

Taking 100 kg of softwood pulp, 200 kg of hardwood pulp and 15 kg of calcium silicate with the grain diameter of 2.0-4.0 microns, adding 150 kg of calcium carbonate for pulping and papermaking, preparing a mixed combustion improver solution of 4% of potassium citrate and 2% of sodium citrate by mass percent, uniformly adding the prepared combustion improver solution into cigarette paper at a sizing section of cigarette paper production through a metering rod type film transfer sizing machine, producing the cigarette paper according to a conventional papermaking method, and controlling parameters of the cigarette paper on equipment to be: the ration is 29g m ^-2, the air permeability is 60 COESTA, the content of the combustion improver is 2.4 percent, and the addition amount of calcium silicate in the cigarette paper is 3 percent (the number is P10). Spraying 5% sodium phosphate solution on tobacco shreds, and oven drying to obtain tobacco shreds with sodium phosphate addition of 1%. The prepared cigarette paper and tobacco shreds are subjected to trial production to prepare a cigarette with a certain brand (number C10), the burning appearance of the cigarette is photographed by a high-resolution camera, and the obtained photographs are subjected to ash wrapping performance test and evaluation, and the results are shown in Table 1.

Example 11

The only difference compared with example 1 is that the kind of additive B and the amount of additive A are changed, specifically:

Taking 100 kg of softwood pulp, 200 kg of hardwood pulp and 4 kg of calcium silicate with the particle size of 2.0-4.0 microns, adding 150 kg of calcium carbonate for pulping and papermaking, preparing a mixed combustion improver solution of 4% of potassium citrate and 2% of sodium citrate by mass percent, uniformly adding the prepared combustion improver solution into cigarette paper at a sizing section of cigarette paper production through a metering rod type film transfer sizing machine, producing the cigarette paper according to a conventional papermaking method, and controlling parameters of the cigarette paper on equipment to be: the ration is 29g m ^-2, the air permeability is 60 COESTA, the content of the combustion improver is 2.4 percent, and the addition amount of calcium silicate in the cigarette paper is 2 percent (the number is P11). Spraying 5% sodium phosphate solution on tobacco shred, and oven drying to obtain tobacco shred with sodium phosphate addition of 1.5%. The prepared cigarette paper and tobacco shreds are subjected to trial production to prepare a cigarette with a certain brand (number C11), the burning appearance of the cigarette is photographed by a high-resolution camera, and the obtained photographs are subjected to ash wrapping performance test and evaluation, and the results are shown in Table 1.

Example 12

The only difference compared with example 1 is that the kind and content of the additive B are changed, specifically:

taking 100 kg of softwood pulp, 200 kg of hardwood pulp and 24 kg of calcium silicate with the particle size of 2.0-4.0 microns, adding 150 kg of calcium carbonate for pulping and papermaking, preparing a mixed combustion improver solution of 4% of potassium citrate and 2% of sodium citrate by mass percent, uniformly adding the prepared combustion improver solution into cigarette paper at a sizing section of cigarette paper production through a metering rod type film transfer sizing machine, producing the cigarette paper according to a conventional papermaking method, and controlling parameters of the cigarette paper on equipment to be: the ration is 29g m ^-2, the air permeability is 60 COESTA, the content of the combustion improver is 2.4 percent, and the addition amount of calcium silicate in the cigarette paper is 10 percent (the number is P12). Spraying 5% sodium phosphate solution on tobacco shreds, and oven drying to obtain tobacco shreds with sodium phosphate addition of 1%. The prepared cigarette paper and tobacco shreds are subjected to trial production to prepare a cigarette with a certain brand (number C12), the burning appearance of the cigarette is photographed by a high-resolution camera, and the obtained photographs are subjected to ash wrapping performance test and evaluation, and the results are shown in fig. 1 and table 1.

Example 13

Taking 100 kg of softwood pulp, 200 kg of hardwood pulp and 15 kg of ferric silicate with the grain diameter of 2.0-4.0 microns, adding 150 kg of calcium carbonate for pulping and papermaking, preparing a mixed combustion improver solution of 4% of potassium citrate and 2% of sodium citrate by mass percent, uniformly adding the prepared combustion improver solution into cigarette paper at a sizing section of cigarette paper production through a metering rod type film transfer sizing machine, producing the cigarette paper according to a conventional papermaking method, and controlling parameters of the cigarette paper on equipment to be: the ration is 29g m ^-2, the air permeability is 60 COESTA, the content of the combustion improver is 2.4 percent, and the addition amount of the ferric silicate in the cigarette paper is 3 percent (the number is P13). Spraying 10% sodium phosphate solution on tobacco shred, and oven drying to obtain tobacco shred with sodium phosphate addition of 1.5%. The prepared cigarette paper and tobacco shreds are subjected to trial production of cigarettes (number C13) with a certain brand, the burning appearance of the cigarettes is photographed by a high-resolution camera, and the obtained photographs are subjected to ash wrapping performance test and evaluation, and the results are shown in Table 1.

Example 14

Taking 100 kg of softwood pulp, 200 kg of hardwood pulp and 15 kg of ferric silicate with the grain diameter of 2.0-4.0 microns, adding 150 kg of calcium carbonate for pulping and papermaking, preparing a mixed combustion improver solution of 4% of potassium citrate and 2% of sodium citrate by mass percent, uniformly adding the prepared combustion improver solution into cigarette paper at a sizing section of cigarette paper production through a metering rod type film transfer sizing machine, producing the cigarette paper according to a conventional papermaking method, and controlling parameters of the cigarette paper on equipment to be: the ration is 29g m ^-2, the air permeability is 60 COESTA, the content of the combustion improver is 2.4 percent, and the addition amount of calcium silicate in the cigarette paper is 3 percent (the number is P14). Spraying 5% sodium phosphate solution on tobacco shreds, and oven drying to obtain tobacco shreds with sodium phosphate addition of 1%. The prepared cigarette paper and tobacco shreds are subjected to trial production to prepare a cigarette with a certain brand (number C14), the burning appearance of the cigarette is photographed by a high-resolution camera, and the obtained photographs are subjected to ash wrapping performance test and evaluation, and the results are shown in Table 1.

Example 15

The only difference compared to example 1 is that the type of additive B (with compounded additive B) is changed, in particular:

Taking 100 kg of softwood pulp, 200 kg of hardwood pulp, 7.5 kg of calcium silicate with the particle size of 2.0-4.0 microns and 7.5 kg of magnesium silicate with the particle size of 2.0-4.0 microns, adding 150 kg of calcium carbonate to carry out pulping and papermaking, preparing a mixed combustion improver solution of 4% of potassium citrate and 2% of sodium citrate by mass percent, uniformly adding the prepared combustion improver solution into cigarette paper at a sizing section of cigarette paper production through a metering rod type film transfer sizing machine, and producing the cigarette paper according to a conventional papermaking method, wherein the parameters of the cigarette paper are controlled on equipment as follows: the ration is 29g m ^-2, the air permeability is 60 COESTA, the content of the combustion improver is 2.4 percent, and the total addition amount of calcium silicate and magnesium silicate in the cigarette paper is 3 percent (the number is P15). Spraying 5% sodium phosphate solution on tobacco shreds, and oven drying to obtain tobacco shreds with sodium phosphate addition of 1%. The prepared cigarette paper and tobacco shreds are subjected to trial production of cigarettes (number C15) with a certain brand, the burning appearance of the cigarettes is photographed by a high-resolution camera, and the obtained photographs are subjected to ash wrapping performance test and evaluation, and the results are shown in Table 1.

Example 16

Taking 100 kg of softwood pulp, 200 kg of hardwood pulp, 7.5 kg of calcium silicate with the grain diameter of 2.0-4.0 microns and 7.5 kg of ferric silicate with the grain diameter of 2.0-4.0 microns, adding 150 kg of calcium carbonate to carry out pulping and papermaking, preparing a mixed combustion improver solution of 4% of potassium citrate and 2% of sodium citrate by mass percent, uniformly adding the prepared combustion improver solution into cigarette paper at a sizing section of cigarette paper production through a metering rod type film transfer sizing machine, and producing the cigarette paper according to a conventional papermaking method, wherein the parameters of the cigarette paper are controlled on equipment as follows: the ration is 29g m ^-2, the air permeability is 60 COESTA, the content of the combustion improver is 2.4 percent, and the total addition amount of calcium silicate and ferric silicate in the cigarette paper is 3 percent (the number is P16). Spraying 5% sodium phosphate solution on tobacco shreds, and oven drying to obtain tobacco shreds with sodium phosphate addition of 1%. The prepared cigarette paper and tobacco shreds are subjected to trial production of cigarettes (number C16) with a certain brand, the burning appearance of the cigarettes is photographed by a high-resolution camera, and the obtained photographs are subjected to ash wrapping performance test and evaluation, and the results are shown in Table 1.

Example 17

Taking 100 kg of softwood pulp, 200 kg of hardwood pulp, 7.5 kg of magnesium silicate with the grain diameter of 2.0-4.0 microns and 7.5 kg of ferric silicate with the grain diameter of 2.0-4.0 microns, adding 150 kg of calcium carbonate to carry out pulping and papermaking, preparing a mixed combustion improver solution of 4% of potassium citrate and 2% of sodium citrate by mass percent, uniformly adding the prepared combustion improver solution into cigarette paper at a sizing section of cigarette paper production through a metering rod type film transfer sizing machine, and producing the cigarette paper according to a conventional papermaking method, wherein the parameters of the cigarette paper are controlled on equipment as follows: the ration is 29g m ^-2, the air permeability is 60 COESTA, the content of the combustion improver is 2.4 percent, and the total addition amount of magnesium silicate and ferric silicate in the cigarette paper is 3 percent (the number is P17). Spraying 5% sodium phosphate solution on tobacco shreds, and oven drying to obtain tobacco shreds with sodium phosphate addition of 1%. The prepared cigarette paper and tobacco shreds are subjected to trial production of cigarettes (number C17) with a certain brand, the burning appearance of the cigarettes is photographed by a high-resolution camera, and the obtained photographs are subjected to ash wrapping performance test and evaluation, and the results are shown in Table 1.

Example 18

The only difference compared to example 1 is that the type of additive B (additive B formulated with three elements) is changed, in particular:

Taking 100 kg of softwood pulp, 200 kg of hardwood pulp, 5 kg of magnesium silicate with the grain diameter of 2.0-4.0 microns, 5 kg of ferric silicate with the grain diameter of 2.0-4.0 microns, 5 kg of calcium silicate with the grain diameter of 2.0-4.0 microns, adding 150 kg of calcium carbonate to carry out pulping and papermaking, preparing a mixed combustion improver solution of 4% potassium citrate and 2% sodium citrate by mass percent, uniformly adding the prepared combustion improver solution into cigarette paper at a sizing section of cigarette paper production through a metering rod type film transfer sizing machine, producing the cigarette paper according to a conventional papermaking method, and controlling parameters of the cigarette paper on equipment to be: the ration is 29g m ^-2, the air permeability is 60 COESTA, the content of the combustion improver is 2.4 percent, and the total addition amount of magnesium silicate, calcium silicate and ferric silicate in the cigarette paper is 3 percent (the number is P18). Spraying 5% sodium phosphate solution on tobacco shreds, and oven drying to obtain tobacco shreds with sodium phosphate addition of 1%. The prepared cigarette paper and tobacco shreds are subjected to trial production of cigarettes (number C18) with a certain brand, the burning appearance of the cigarettes is photographed by a high-resolution camera, and the obtained photographs are subjected to ash wrapping performance test and evaluation, and the results are shown in Table 1.

Example 19

The only difference compared to example 1 is that the types of additives a and B (both of which are compounded additives) are changed, specifically:

Taking 100 kg of softwood pulp, 200 kg of hardwood pulp, 7.5 kg of magnesium silicate with the particle size of 2.0-4.0 microns and 7.5 kg of calcium silicate with the particle size of 2.0-4.0 microns, adding 150 kg of calcium carbonate to carry out pulping and papermaking, preparing a mixed combustion improver solution of 4% of potassium citrate and 2% of sodium citrate by mass percent, uniformly adding the prepared combustion improver solution into cigarette paper at a sizing section of cigarette paper production through a metering rod type film transfer sizing machine, and producing the cigarette paper according to a conventional papermaking method, wherein the parameters of the cigarette paper are controlled on equipment as follows: the ration is 29g m ^-2, the air permeability is 60 COESTA, the content of the combustion improver is 2.4 percent, and the total addition amount of magnesium silicate and calcium silicate in the cigarette paper is 3 percent (the number is P19). Spraying 5% sodium phosphate and potassium phosphate (the weight ratio of the sodium phosphate to the potassium phosphate is 1:1) solution on the cut tobacco, and drying to obtain the cut tobacco with the addition of 1% of sodium phosphate and potassium phosphate. The prepared cigarette paper and tobacco shreds are subjected to trial production to prepare a cigarette with a certain brand (number C19), the burning appearance of the cigarette is photographed by a high-resolution camera, and the obtained photographs are subjected to ash wrapping performance test and evaluation, and the results are shown in fig. 1 and table 1.

Example 20

Taking 120 kg of softwood pulp, 180 kg of hardwood pulp, 6 kg of magnesium silicate with the grain diameter of 2.0-4.0 microns and 9 kg of calcium silicate with the grain diameter of 2.0-4.0 microns, adding 170 kg of calcium carbonate to pulp and make paper, preparing a mixed combustion improver solution of 4% of potassium citrate and 2% of sodium citrate by mass percent, uniformly adding the prepared combustion improver solution into cigarette paper at a sizing section of cigarette paper production through a metering rod type film transfer sizing machine, producing the cigarette paper according to a conventional papermaking method, and controlling parameters of the cigarette paper on equipment to be as follows: the ration is 29g m ^-2, the air permeability is 60 COESTA, the content of the combustion improver is 2.4 percent, and the total addition amount of magnesium silicate, calcium silicate and ferric silicate in the cigarette paper is 7 percent (the number is P20). Spraying the cut tobacco with 8% sodium dihydrogen phosphate solution, and oven drying to obtain cut tobacco with sodium dihydrogen phosphate addition amount of 1.5%. The prepared cigarette paper and tobacco shreds are subjected to trial production of cigarettes (number C20) with a certain brand, the burning appearance of the cigarettes is photographed by a high-resolution camera, and the obtained photographs are subjected to ash wrapping performance test and evaluation, and the results are shown in Table 1.

Comparative example 1

The difference compared with example 1 is mainly that no phosphate is compounded in the cut tobacco, no silicate is compounded in the cigarette paper, and the specific steps are as follows:

Taking 100 kg of softwood pulp and 200 kg of hardwood pulp, adding 150 kg of calcium carbonate for pulping and papermaking, preparing a mixed combustion improver solution of 4% potassium citrate and 2% sodium citrate by mass percent, uniformly adding the prepared combustion improver solution into cigarette paper at a sizing section of cigarette paper production through a metering rod type film transfer sizing machine, producing the cigarette paper according to a conventional papermaking method, and controlling parameters of the cigarette paper on equipment to be as follows: the amount of the catalyst was 29g m ^-2, the air permeability was 60CORESTA, and the content of the combustion improver was 2.4% (number P21). The prepared cigarette paper and the cut tobacco without the additive A are subjected to trial production to prepare a cigarette with a certain brand (number C21), the burning appearance of the cigarette is photographed by a high-resolution camera, and the obtained photo is subjected to ash wrapping performance test and evaluation, and the result is shown in fig. 1 and table 1.

Comparative example 2

Compared with example 1, the difference is mainly that phosphate is not compounded in tobacco shred, specifically:

Taking 100 kg of softwood pulp, 200 kg of hardwood pulp and 15 kg of magnesium silicate with the grain diameter of 2.0-4.0 microns, adding 150 kg of calcium carbonate for pulping and papermaking, preparing a mixed combustion improver solution of 4% of potassium citrate and 2% of sodium citrate by mass percent, uniformly adding the prepared combustion improver solution into cigarette paper at a sizing section of cigarette paper production through a metering rod type film transfer sizing machine, and producing the cigarette paper according to a conventional papermaking method, wherein the parameters of the cigarette paper are controlled on equipment: the ration is 29g m ^-2, the air permeability is 60 COESTA, the content of the combustion improver is 2.4 percent, and the adding amount of magnesium silicate in the cigarette paper is 3 percent (the number is P22). The prepared cigarette paper and the cut tobacco without the additive A are subjected to trial production to prepare a cigarette with a certain brand (number C22), the burning appearance of the cigarette is photographed by a high-resolution camera, and the obtained photo is subjected to ash wrapping performance test and evaluation, and the result is shown in fig. 1 and table 1.

Comparative example 3

The main difference compared to example 1 is that additive B is not compounded in the cigarette paper, specifically:

Taking 100 kg of softwood pulp, 200 kg of hardwood pulp, adding 150 kg of calcium carbonate for pulping and papermaking, preparing a mixed combustion improver solution of 4% potassium citrate and 2% sodium citrate by mass percent, uniformly adding the prepared combustion improver solution into cigarette paper at a sizing section of cigarette paper production through a metering rod type film transfer sizing machine, producing the cigarette paper according to a conventional papermaking method, and controlling parameters of the cigarette paper on equipment to be as follows: the amount of the catalyst was 29g m ^-2, the air permeability was 60CORESTA, and the content of the combustion improver was 2.4% (number P23). Spraying 5% sodium phosphate solution on tobacco shreds, and oven drying to obtain tobacco shreds with sodium phosphate addition of 1%. The prepared cigarette paper and tobacco shreds are subjected to trial production to prepare a cigarette with a certain brand (number C23), the burning appearance of the cigarette is photographed by a high-resolution camera, and the obtained photographs are subjected to ash wrapping performance test and evaluation, and the results are shown in fig. 1 and table 1.

Comparative example 4

The main difference compared to example 1 is that the additive a is replaced by other ingredients, in particular:

Taking 100 kg of softwood pulp, 200 kg of hardwood pulp and 15 kg of magnesium silicate with the grain diameter of 2.0-4.0 microns, adding 150 kg of calcium carbonate for pulping and papermaking, preparing a mixed combustion improver solution of 4% of potassium citrate and 2% of sodium citrate by mass percent, uniformly adding the prepared combustion improver solution into cigarette paper at a sizing section of cigarette paper production through a metering rod type film transfer sizing machine, and producing the cigarette paper according to a conventional papermaking method, wherein the parameters of the cigarette paper are controlled on equipment: the ration is 29g m ^-2, the air permeability is 60 COESTA, the content of the combustion improver is 2.4 percent, and the adding amount of magnesium silicate in cigarette paper is 3 percent (the number is P24). Spraying 5% sodium alginate solution on tobacco shred, and oven drying to obtain tobacco shred with sodium alginate content of 1%. The prepared cigarette paper and tobacco shreds are subjected to trial production to prepare a cigarette with a certain brand (number C24), the burning appearance of the cigarette is photographed by a high-resolution camera, and the obtained photographs are subjected to ash wrapping performance test and evaluation, and the results are shown in fig. 1 and table 1.

Comparative example 5

Compared with example 1, the main difference is that additives A and B are uniformly added into cigarette paper, specifically:

Taking 100 kg of softwood pulp, 200 kg of hardwood pulp and 15 kg of magnesium silicate with the grain diameter of 2.0-4.0 microns, adding 150 kg of calcium carbonate for pulping and papermaking, preparing a mixed combustion improver solution of 4% of potassium citrate and 2% of sodium citrate by mass percent, uniformly adding the prepared combustion improver solution into cigarette paper at a sizing section of cigarette paper production through a metering rod type film transfer sizing machine, and producing the cigarette paper according to a conventional papermaking method, wherein the parameters of the cigarette paper are controlled on equipment: the ration is 29g m ^-2, the air permeability is 60 COESTA, the content of the combustion improver is 2.4%, the adding amount of magnesium silicate in the cigarette paper is 3% (the number is P25), and the adding amount of sodium phosphate in the cigarette paper is controlled to be 1%. The prepared cigarette paper and the cut tobacco without the additive A are subjected to trial production of cigarettes (number C25) with a certain brand, the burning appearance of the cigarettes is photographed by a high-resolution camera, and the obtained photographs are subjected to ash wrapping performance test and evaluation, and the results are shown in fig. 1 and table 1.

Comparative example 6

Compared with example 1, the main difference is that additives A and B are uniformly added into tobacco shreds, specifically:

Taking 100 kg of softwood pulp and 200 kg of hardwood pulp, adding 150 kg of calcium carbonate for pulping and papermaking, preparing a mixed combustion improver solution of 4% potassium citrate and 2% sodium citrate by mass percent, uniformly adding the prepared combustion improver solution into cigarette paper at a sizing section of cigarette paper production through a metering rod type film transfer sizing machine, producing the cigarette paper according to a conventional papermaking method, and controlling parameters of the cigarette paper on equipment to be as follows: the amount of the catalyst was 29g m ^-2, the air permeability was 60CORESTA, and the content of the combustion improver was 2.4% (number P26). Cut tobacco with the addition of sodium phosphate of 1% and the addition of magnesium silicate (particle size of 2.0-4.0 microns) of 3% is prepared. The prepared cigarette paper and tobacco shreds are subjected to trial production to prepare a cigarette with a certain brand (number C26), the burning appearance of the cigarette is photographed by a high-resolution camera, and the obtained photographs are subjected to ash wrapping performance test and evaluation, and the results are shown in fig. 1 and table 1.

Comparative example 7

The difference compared with example 1 is mainly that the addition mode of the additive is changed, for example, additive A is added in cigarette paper, additive B is added in tobacco shred, and the method is specifically as follows:

Taking 100 kg of softwood pulp, 200 kg of hardwood pulp and 15 kg of magnesium silicate with the grain diameter of 2.0-4.0 microns, adding 150 kg of calcium carbonate for pulping and papermaking, preparing a mixed combustion improver solution of 4% of potassium citrate and 2% of sodium citrate by mass percent, uniformly adding the prepared combustion improver solution into cigarette paper at a sizing section of cigarette paper production through a metering rod type film transfer sizing machine, and producing the cigarette paper according to a conventional papermaking method, wherein the parameters of the cigarette paper are controlled on equipment: the ration is 29g m ^-2, the air permeability is 60 COESTA, the content of the combustion improver is 2.4%, the adding amount of magnesium silicate in the cigarette paper is 3% (the number is P27), and the adding amount of sodium phosphate in the cigarette paper is controlled to be 1%. The cut tobacco with 3 percent of magnesium silicate (particle size of 2.0-4.0 microns) added is prepared. The prepared cigarette paper and tobacco shreds are subjected to trial production to prepare a cigarette with a certain brand (number C27), the burning appearance of the cigarette is photographed by a high-resolution camera, and the obtained photo is subjected to ash wrapping performance test and evaluation, and the result is shown in fig. 1 and table 1.

Comparative example 8

The difference compared with the examples is mainly that the addition amount of calcium silicate is not controlled within a preferred range, specifically:

Taking 120 kg of softwood pulp, 180 kg of hardwood pulp and 4 kg of calcium silicate with the grain diameter of 2.0-4.0 microns, adding 160 kg of calcium carbonate for pulping and papermaking, preparing a mixed combustion improver solution of 4% of potassium citrate and 2% of sodium citrate by mass percent, uniformly adding the prepared combustion improver solution into cigarette paper at a sizing section of cigarette paper production through a metering rod type film transfer sizing machine, producing the cigarette paper according to a conventional papermaking method, and controlling parameters of the cigarette paper on equipment to be: the ration is 29g m ^-2, the air permeability is 60 COESTA, the content of the combustion improver is 2.4 percent, and the addition amount of calcium silicate in the cigarette paper is 1.5 percent (the number is P28). Spraying 5% sodium phosphate solution on tobacco shreds, and oven drying to obtain tobacco shreds with sodium phosphate addition of 1%. The prepared cigarette paper and tobacco shreds are subjected to trial production to prepare a cigarette with a certain brand (number C28), the burning appearance of the cigarette is photographed by a high-resolution camera, and the obtained photographs are subjected to ash wrapping performance test and evaluation, and the results are shown in fig. 1 and table 1.

Comparative example 9

The difference compared with the examples is mainly that the addition amount of sodium phosphate is not controlled within a preferred range, specifically:

Taking 120 kg of softwood pulp, 180 kg of hardwood pulp and 4 kg of calcium silicate with the grain diameter of 2.0-4.0 microns, adding 160 kg of calcium carbonate for pulping and papermaking, preparing a mixed combustion improver solution of 4% of potassium citrate and 2% of sodium citrate by mass percent, uniformly adding the prepared combustion improver solution into cigarette paper at a sizing section of cigarette paper production through a metering rod type film transfer sizing machine, producing the cigarette paper according to a conventional papermaking method, and controlling parameters of the cigarette paper on equipment to be: the ration is 29g m ^-2, the air permeability is 60 COESTA, the content of the combustion improver is 2.4 percent, and the addition amount of calcium silicate in the cigarette paper is 3 percent (the number is P29). Spraying 5% sodium phosphate solution on tobacco shred, and oven drying to obtain tobacco shred with sodium phosphate addition of 0.1%. The prepared cigarette paper and tobacco shred are subjected to trial production to prepare a cigarette with a certain brand (number C29), the burning appearance of the cigarette is photographed by a high-resolution camera, and the obtained photo is subjected to ash wrapping performance test and evaluation, and the result is shown in table 1.

Comparative example 10

Taking 100 kg of softwood pulp, 200 kg of hardwood pulp and 15 kg of sodium silicate with the particle size of 2.0-4.0 microns, adding 150 kg of calcium carbonate to pulp and make paper, and dissolving the sodium silicate to form a viscous water glass solvent in the paper making process, so that paper making fails.

Table 1 examples and comparative cigarette ash packing performance index

Compared with the comparative example, the cigarette of the example has obviously reduced cracking rate, the burnt ash column also presents the phenomenon of inward shrinkage, the shrinkage rate is increased, and the phenomena of large cracking and ash frying of the ash column of the comparative example do not occur. The cigarette of the example has a better ash wrapping effect than the comparative example (the cigarette ash wrapping evaluation method is shown in CN107084985A and CN105783647A, generally, the higher the whiteness, the lower the cracking rate, the higher the shrinkage and the higher the ash holding force, the better the ash wrapping effect is shown).

A is added into tobacco shreds, B is added into cigarette paper, and when both the A and the B are in a compound mode, the cigarette has the best ash wrapping effect.

Table 2 shows the release amounts of 7 optimized components of the main stream smoke of cigarettes in example 19 and comparative example 1. As can be seen from table 2, compared with comparative example 1, the NNK and benzopyrene release amounts of example 1 are reduced by about 10%, and the cigarette hazard index H value is also reduced by 0.22, which indicates that the tobacco of the present application has not only the effect of improving the ash packing, but also a certain harm reducing effect.

TABLE 2 Release of 7 harmful components from mainstream smoke of comparative example 1 and example 1

In summary, the additives A and B of the application can be further matched with the special control of the adding mode to describe the cooperativity, effectively improve the ash coating effect, and the compounded additives are further adopted to help to further improve the ash coating effect. Moreover, the technical scheme disclosed by the application is also beneficial to having a certain harm reducing effect on main harmful components such as HCN, NNK, benzopyrene, crotonaldehyde and the like.

Claims

1. The cigarette rod for improving the ash wrapping performance comprises a tobacco rod and cigarette paper wrapping the tobacco rod, and is characterized in that an additive A is added to the tobacco rod, an additive B is added to the cigarette paper, and the cigarette paper further comprises plant fibers, a filler and a combustion improver;

Wherein the additive A is at least one of sodium phosphate, sodium dihydrogen phosphate, disodium hydrogen phosphate, potassium dihydrogen phosphate and dipotassium hydrogen phosphate; and the mass percentage of the additive A in the tobacco rod is 0.2-2.0 percent;

the additive B is at least one of magnesium silicate, calcium silicate and ferric silicate;

wherein, in the cigarette paper, the weight content of the additive B is 2-10%; the weight content of the combustion improver is 1-4%; the weight content of the filler is 20-35%; the balance of plant fiber;

In the cigarette rod, the mass ratio of the additive A to the additive B is 1:1-1:15.

2. The cigarette rod with improved ash packing performance according to claim 1, wherein the additive A is a compound additive A.

3. The cigarette rod with improved ash packing performance according to claim 2, wherein the compounded additive a at least comprises sodium phosphate and optionally at least one of sodium dihydrogen phosphate, disodium hydrogen phosphate, potassium dihydrogen phosphate and dipotassium hydrogen phosphate.

4. A cigarette rod with improved ash packing properties according to claim 3, characterized in that the content of sodium phosphate in the compounded additive a is not less than 10wt%.

5. The cigarette rod with improved ash packing performance according to any one of claims 1 to 4, wherein the additive A is uniformly added into tobacco shreds of the tobacco rod.

6. The cigarette rod with improved ash packing performance according to claim 5, wherein the mass percentage of the additive A in the tobacco rod is 0.5-1.8%.

7. The cigarette rod with improved ash packing performance according to claim 6, wherein the mass percentage of the additive A in the tobacco rod is 0.7-1.5%.

8. The cigarette rod of claim 1 wherein the additive B is a binary or ternary mixture of two of magnesium silicate, calcium silicate, and iron silicate.

9. The cigarette rod with improved ash packing performance according to claim 8, wherein the additive B is a binary mixture, and the mass ratio of the components is 1-8: 8~1.

10. The cigarette rod of claim 1, wherein the plant fiber is at least one of needle-leaved wood fiber and broad-leaved wood fiber.

11. The cigarette rod of claim 1 wherein the filler is calcium carbonate.

12. The cigarette rod with improved ash packing performance according to claim 1, wherein the combustion improver is at least one of potassium citrate and sodium citrate.

13. The cigarette rod with improved ash packing performance according to claim 1, wherein the combustion improver is a mixture of potassium citrate and sodium citrate in a mass ratio of 5:1-1:5.

14. The cigarette rod with improved ash packing performance according to claim 1, wherein the particle size of the additive B in the cigarette paper is 0.2-5.0 μm.

15. A method for preparing a cigarette rod with improved ash packing performance according to any one of claims 1-14, characterized in that a tobacco rod added with an additive a and a cigarette paper added with an additive B are obtained, and the tobacco rod is wrapped by the cigarette paper.

16. The method of making a cigarette rod having improved ash packing properties according to claim 15 wherein the step of obtaining a tobacco rod having additive a added thereto comprises: spraying the solution dissolved with the additive A into the tobacco shred raw materials, uniformly mixing, and drying and rolling to obtain tobacco shred rods;

17. The method for preparing a cigarette rod with improved ash packing performance according to claim 16, wherein the solution in which the additive a is dissolved is an aqueous solution of the additive a, wherein the mass percentage concentration of the solute is 5% -10%.

18. The method for preparing the cigarette rod with improved ash packing performance according to claim 17, wherein the preparation process of the cigarette paper is as follows:

19. A cigarette comprising the improved ash packing performance cigarette rod of any one of claims 1 to 14 or the improved ash packing performance cigarette rod produced by the production method of any one of claims 15 to 18.

20. The cigarette of claim 19, further comprising a filter rod attached to the cigarette rod.