CN116804316A - Heating non-combustible cigarette paper, preparation method thereof, heating non-combustible cigarette and heating non-combustible system - Google Patents
Heating non-combustible cigarette paper, preparation method thereof, heating non-combustible cigarette and heating non-combustible system Download PDFInfo
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- CN116804316A CN116804316A CN202210272423.3A CN202210272423A CN116804316A CN 116804316 A CN116804316 A CN 116804316A CN 202210272423 A CN202210272423 A CN 202210272423A CN 116804316 A CN116804316 A CN 116804316A
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- cigarette paper
- combustible
- combustible cigarette
- heating non
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- 235000019504 cigarettes Nutrition 0.000 title claims abstract description 199
- 238000010438 heat treatment Methods 0.000 title claims abstract description 104
- 238000002360 preparation method Methods 0.000 title abstract description 10
- 239000003063 flame retardant Substances 0.000 claims abstract description 41
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000000835 fiber Substances 0.000 claims abstract description 26
- 239000000853 adhesive Substances 0.000 claims abstract description 25
- 230000001070 adhesive effect Effects 0.000 claims abstract description 25
- 239000011162 core material Substances 0.000 claims abstract description 17
- 238000002156 mixing Methods 0.000 claims abstract description 17
- 230000035699 permeability Effects 0.000 claims abstract description 17
- 239000002002 slurry Substances 0.000 claims abstract description 16
- 238000002485 combustion reaction Methods 0.000 claims abstract description 14
- 238000001035 drying Methods 0.000 claims abstract description 12
- 239000002994 raw material Substances 0.000 claims abstract description 9
- 239000011259 mixed solution Substances 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000004519 manufacturing process Methods 0.000 claims abstract description 7
- 238000010008 shearing Methods 0.000 claims abstract description 7
- 238000005507 spraying Methods 0.000 claims abstract description 7
- 239000000758 substrate Substances 0.000 claims abstract description 7
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 26
- 239000011780 sodium chloride Substances 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 11
- 229920002907 Guar gum Polymers 0.000 claims description 10
- 239000000665 guar gum Substances 0.000 claims description 10
- 229960002154 guar gum Drugs 0.000 claims description 10
- 235000010417 guar gum Nutrition 0.000 claims description 10
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims description 9
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 9
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims description 9
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims description 9
- 239000000779 smoke Substances 0.000 claims description 7
- 239000011121 hardwood Substances 0.000 claims description 6
- 229910017053 inorganic salt Inorganic materials 0.000 claims description 6
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 6
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 claims description 5
- SNICXCGAKADSCV-JTQLQIEISA-N (-)-Nicotine Chemical compound CN1CCC[C@H]1C1=CC=CN=C1 SNICXCGAKADSCV-JTQLQIEISA-N 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 229960002715 nicotine Drugs 0.000 claims description 4
- SNICXCGAKADSCV-UHFFFAOYSA-N nicotine Natural products CN1CCCC1C1=CC=CN=C1 SNICXCGAKADSCV-UHFFFAOYSA-N 0.000 claims description 4
- 239000011122 softwood Substances 0.000 claims description 4
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 3
- 229920001661 Chitosan Polymers 0.000 claims description 3
- 229920002472 Starch Polymers 0.000 claims description 3
- 239000001110 calcium chloride Substances 0.000 claims description 3
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 3
- 239000011236 particulate material Substances 0.000 claims description 3
- 229910000027 potassium carbonate Inorganic materials 0.000 claims description 3
- 239000008107 starch Substances 0.000 claims description 3
- 235000019698 starch Nutrition 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims 1
- 238000012360 testing method Methods 0.000 description 26
- 241000208125 Nicotiana Species 0.000 description 17
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 17
- 238000000034 method Methods 0.000 description 15
- 230000008569 process Effects 0.000 description 10
- 230000000391 smoking effect Effects 0.000 description 9
- 241001397809 Hakea leucoptera Species 0.000 description 8
- 229920001131 Pulp (paper) Polymers 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 239000002023 wood Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000796 flavoring agent Substances 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000004513 sizing Methods 0.000 description 3
- 230000007480 spreading Effects 0.000 description 3
- 238000003892 spreading Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 235000019505 tobacco product Nutrition 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 235000019634 flavors Nutrition 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 239000003571 electronic cigarette Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010971 suitability test Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- BIKXLKXABVUSMH-UHFFFAOYSA-N trizinc;diborate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]B([O-])[O-].[O-]B([O-])[O-] BIKXLKXABVUSMH-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
Abstract
The application provides heating non-combustible cigarette paper, a preparation method thereof, a heating non-combustible cigarette and a heating non-combustible system. The heating non-combustible cigarette paper comprises the following raw materials: 30-65% of fiber, 5-20% of adhesive and 30-60% of flame retardant. A method of making a heated non-combustible cigarette paper comprising: mixing the raw materials, shearing to obtain slurry, and then salivating and drying to obtain the heating non-burning cigarette paper; or mixing the adhesive, the flame retardant and water to obtain a mixed solution, spraying the mixed solution on a fibrous substrate formed by the fibers, and drying to obtain the heating non-combustible cigarette paper. The heating non-combustible cigarette comprises the heating non-combustible cigarette paper and a cigarette core material accommodated in an accommodating space formed by the heating non-combustible cigarette paper. And the heating non-combustion system comprises the heating non-combustion cigarette. The heating non-combustible cigarette paper provided by the application has good flame retardant property, heat conducting property and air permeability.
Description
Technical Field
The application relates to the field of heating non-combustible tobacco, in particular to heating non-combustible cigarette paper and a preparation method thereof, a heating non-combustible cigarette and a heating non-combustible system.
Background
In recent years, along with the development of economy and the improvement of living standard, people pay more attention to health, the research and development of novel tobacco products (mainly including heating non-burning cigarettes, electronic cigarettes, buccal cigarettes and the like) are promoted, and along with the acceleration of global tobacco control movement for several years, the tobacco industry enters a new period for seeking innovation and breakthrough, and the research and development process of novel tobacco products is accelerated. The heated non-combustible cigarette (hereinafter abbreviated as HNB cigarette) is an important component of a novel tobacco product and is characterized in that: firstly, low-temperature heating is performed and combustion is not performed; secondly, providing nicotine which can meet the physiological demands of smokers; thirdly, the cigarette has no tar and other harmful substances, and the harmful substances are reduced by more than 90 percent compared with the existing cigarette components. The HNB cigarettes need special heating equipment for heating, and the current electric heating structures in the market mainly have two types, namely a central heating structure and a circumferential heating structure.
The heating element of central heating adopts heating plate (needle), installs in the bottom centre of a circle position of smoking set cigarette clamping device, and when heating incombustible cigarette inserted in the holder, inside that heating plate (needle) inserted the cigarette correspondingly, heating plate (needle) and special pipe tobacco direct contact, the benefit is that the intensification is fast, and the taste is close real cigarette, but its obvious shortcoming exists: (1) The heating is uneven, the temperature of the part of the tobacco, which is contacted with the heating sheet (needle), is high due to the fact that the part is directly contacted with the heating sheet (needle), the temperature of the periphery is low, and when the temperature is too high, the taste is burnt, so that the user experience is affected. (2) The tobacco in the central part is easy to carbonize due to the fact that the temperature of the heating sheet (needle) is high in direct contact, tar in the tobacco is heated and solidified, the carbonized tobacco can be adhered to the heating sheet (needle), and if the tobacco is not cleaned, the condition of flavor tainting can occur in the next use, and the sense is affected. Therefore, the smoking set with the central heating structure needs to be cleaned after each use, which is troublesome.
The heating element for circumferential heating generally comprises three parts of air guiding, heat insulation and heating, and the cigarette is heated by inserting the heating non-burning cigarette into the heating element, so that the cigarette is heated in a structure with the periphery heated inwards. Because the circumferential heating adopts a form of heating the periphery inwards, the heating elements are uniformly distributed on the inner wall of the smoking set, and the problem of nonuniform heating of the central heating smoking set can be effectively solved. Meanwhile, the heating element for circumferential heating is not contacted with the tobacco core of the cigarette, so that the problem of tobacco carbonization caused by central heating of the smoking set can be effectively avoided. However, the heating element and the cigarette cannot be tightly attached to each other as a result of circumferential heating, and a layer of cigarette paper is arranged between the tobacco and the heating pipe, so that the problems of slow temperature rise and inferior heating effect compared with central heating exist in circumferential heating. In order to solve the problem of slow heating of the circumferential heating smoking set, the effective components in the cigarettes are released better, the circumferential heating structure generally needs higher heating temperature (300-350 ℃), the ignition point of the traditional cigarette paper is generally about 200 ℃, and the traditional cigarette paper is easy to burn in the heating process to generate harmful smoke.
The technology of the circumferential heating cigarette paper is mostly a wet papermaking method technology, the air permeability of the cigarette paper prepared by the method is generally low, and after the cigarette is made, the smoke inside the cigarette is difficult to release. Meanwhile, in the technology disclosed in the prior art, the surface sizing or other materials compounding modes are often adopted to ensure that the cigarette paper has the required flame retardant and heat conduction capacity, the manufacturing process is complicated, and the cigarette paper prepared in the patent CN105040530A needs to be compounded with a metal foil; the cigarette paper prepared in the patent CN109680540A is subjected to a surface sizing process after being manufactured into paper; the cigarette paper prepared in the patent CN104195887A is manufactured into paper, and then the surface of the paper is required to be subjected to processing steps such as flame retardant application.
Therefore, in order to solve the problems of low air permeability, complicated manufacturing process and the like of the cigarette paper prepared by the prior art, the application needs to invent a novel cigarette paper which is simple in manufacturing process, has high air permeability and has better flame retardance and heat conduction capability.
Disclosure of Invention
The application aims to provide heating non-combustible cigarette paper, a preparation method thereof, a heating non-combustible cigarette and a heating non-combustible system so as to solve the problems.
In order to achieve the above purpose, the application adopts the following technical scheme:
a heated non-combustible cigarette paper, comprising the following raw materials in percentage by mass:
30-65% of fiber, 5-20% of adhesive and 30-60% of flame retardant;
the flame retardant includes a water-soluble inorganic salt.
Preferably, the source of fibers comprises one or more of fluff pulp, needle wood, hardwood.
Preferably, the adhesive comprises one or more of sodium carboxymethyl cellulose, chitosan, guar gum and starch gum.
Preferably, the inorganic salt comprises one or more of sodium chloride, calcium chloride, disodium hydrogen phosphate, and potassium carbonate.
Preferably, the ration of the heating non-combustible cigarette paper is 40-100g/m 2 Bulk of 1.00-3.50cm 3 /gThe tensile strength is 0.3-2.0kN/m, and the air permeability is 200-400mL/min.
The application also provides a preparation method of the heating non-combustible cigarette paper, which comprises the following steps:
mixing the raw materials, shearing to obtain slurry, and then salivating and drying to obtain the heating non-burning cigarette paper;
the application also provides a preparation method of the heating non-combustible cigarette paper, which comprises the following steps:
and mixing the adhesive, the flame retardant and water to obtain a mixed solution, spraying the mixed solution on a fibrous substrate formed by the fibers, and drying to obtain the heating non-combustible cigarette paper.
The application also provides a heating non-combustible cigarette, which comprises the heating non-combustible cigarette paper and a cigarette core material accommodated in an accommodating space formed by the heating non-combustible cigarette paper.
Preferably, the core material comprises one or more of nicotine, flavourant and a smoking agent;
preferably, the core material comprises one or more of an ordered arrangement of filamentary material, an unordered arrangement of filamentary material and particulate material.
The application also provides a heating non-combustion system which comprises the heating non-combustion cigarette.
Compared with the prior art, the application has the beneficial effects that:
according to the hot non-combustible cigarette paper provided by the application, through the matching of the fiber, the adhesive and the flame retardant, the inorganic salt capable of being dissolved in water is selected as the flame retardant, so that the flame retardant can be more uniformly dispersed in the cigarette paper, and the overall flame retardant performance of the cigarette paper is improved; the thermal non-combustible cigarette paper has good air permeability and heat conduction performance, so that tobacco shreds in cigarettes are heated faster and more uniformly, and smoke is released better.
The preparation method of the heating non-combustible cigarette paper provided by the application can be obtained by one-step molding, does not need the subsequent procedures of surface sizing or compounding with other materials, and has simple production process.
The heating non-burning cigarette and the heating non-burning system provided by the application have the advantages that the tobacco shred is heated faster, heated more uniformly and the smoking experience is good.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope of the present application.
FIG. 1 is a photograph of a heated non-combustible cigarette paper obtained in example 1;
fig. 2 is a photograph of the cigarette paper of examples 1-6 and comparative example 1 subjected to a flame retardant test.
Detailed Description
The term as used herein:
"prepared from … …" is synonymous with "comprising". The terms "comprising," "including," "having," "containing," or any other variation thereof, as used herein, are intended to cover a non-exclusive inclusion. For example, a composition, step, method, article, or apparatus that comprises a list of elements is not necessarily limited to only those elements but may include other elements not expressly listed or inherent to such composition, step, method, article, or apparatus.
The conjunction "consisting of … …" excludes any unspecified element, step or component. If used in a claim, such phrase will cause the claim to be closed, such that it does not include materials other than those described, except for conventional impurities associated therewith. When the phrase "consisting of … …" appears in a clause of the claim body, rather than immediately following the subject, it is limited to only the elements described in that clause; other elements are not excluded from the stated claims as a whole.
When an equivalent, concentration, or other value or parameter is expressed as a range, preferred range, or a range bounded by a list of upper preferable values and lower preferable values, this is to be understood as specifically disclosing all ranges formed from any pair of any upper range limit or preferred value and any lower range limit or preferred value, regardless of whether ranges are separately disclosed. For example, when ranges of "1 to 5" are disclosed, the described ranges should be construed to include ranges of "1 to 4", "1 to 3", "1 to 2 and 4 to 5", "1 to 3 and 5", and the like. When a numerical range is described herein, unless otherwise indicated, the range is intended to include its endpoints and all integers and fractions within the range.
In these examples, the parts and percentages are by mass unless otherwise indicated.
"parts by mass" means a basic unit of measurement showing the mass ratio of a plurality of components, and 1 part may be any unit mass, for example, 1g may be expressed, 2.689g may be expressed, and the like. If we say that the mass part of the a component is a part and the mass part of the B component is B part, the ratio a of the mass of the a component to the mass of the B component is represented as: b. alternatively, the mass of the A component is aK, and the mass of the B component is bK (K is an arbitrary number and represents a multiple factor). It is not misunderstood that the sum of the parts by mass of all the components is not limited to 100 parts, unlike the parts by mass.
"and/or" is used to indicate that one or both of the illustrated cases may occur, e.g., a and/or B include (a and B) and (a or B).
A heated non-combustible cigarette paper, comprising the following raw materials in percentage by mass:
30-65% of fiber, 5-20% of adhesive and 30-60% of flame retardant;
the flame retardant includes a water-soluble inorganic salt.
Optionally, in the raw materials of the heating non-combustion cigarette paper, the amount of the fiber can be any value between 30%, 35%, 40%, 45%, 50%, 55%, 60%, 65% or 30% -65%, the amount of the adhesive can be any value between 5%, 10%, 15%, 20% or 5% -20%, and the amount of the flame retardant can be any value between 30%, 35%, 40%, 45%, 50%, 55%, 60% or 30% -60% by mass percentage.
In an alternative embodiment, the source of fibers comprises one or more of fluff pulp, needle wood, hardwood.
In an alternative embodiment, the adhesive comprises one or more of sodium carboxymethyl cellulose, chitosan, guar gum, and starch gum.
In an alternative embodiment, the inorganic salt comprises one or more of sodium chloride, calcium chloride, disodium hydrogen phosphate, and potassium carbonate.
In an alternative embodiment, the heated non-combustible cigarette paper has a basis weight of 40-100g/m 2 Bulk of 1.00-3.50cm 3 Per g, the tensile strength is 0.3-2.0kN/m, and the air permeability is 200-400mL/min.
Alternatively, the heating of the non-combustible cigarette paper may be quantified at 40g/m 2 、50g/m 2 、60g/m 2 、70g/m 2 、80g/m 2 、90g/m 2 、100g/m 2 Or 40-100g/m 2 Any of the values in between, the bulk may be 1cm 3 /g、1.5cm 3 /g、2cm 3 /g、2.5cm 3 /g、3cm 3 /g、3.5cm 3 /g or 1.00-3.50cm 3 The tensile strength may be any value between 0.3kN/m, 0.5kN/m, 1.0kN/m, 1.5kN/m, 2.0kN/m, or any value between 0.3 and 2.0kN/m, and the air permeability may be any value between 200mL/min, 250mL/min, 300mL/min, 350mL/min, 400mL/min, or 200-400mL/min.
The application also provides a preparation method of the heating non-combustible cigarette paper, which comprises the following steps:
mixing the raw materials, shearing to obtain slurry, and then salivating and drying to obtain the heating non-burning cigarette paper;
the application also provides a preparation method of the heating non-combustible cigarette paper, which comprises the following steps:
and mixing the adhesive, the flame retardant and water to obtain a mixed solution, spraying the mixed solution on a fibrous substrate formed by the fibers, and drying to obtain the heating non-combustible cigarette paper.
The application also provides a heating non-combustible cigarette, which comprises the heating non-combustible cigarette paper and a cigarette core material accommodated in an accommodating space formed by the heating non-combustible cigarette paper.
In an alternative embodiment, the core material comprises one or more of nicotine, flavoring and a smoke agent;
in an alternative embodiment, the core material comprises one or more of an ordered arrangement of filamentary material, an unordered arrangement of filamentary material, and particulate material.
The application also provides a heating non-combustion system which comprises the heating non-combustion cigarette.
Embodiments of the present application will be described in detail below with reference to specific examples, but it will be understood by those skilled in the art that the following examples are only for illustrating the present application and should not be construed as limiting the scope of the present application. The specific conditions are not noted in the examples and are carried out according to conventional conditions or conditions recommended by the manufacturer. The reagents or apparatus used were conventional products commercially available without the manufacturer's attention.
Example 1
The embodiment provides novel heating non-combustible cigarette paper, which comprises the following components in parts by weight: 35% of fiber, 15% of adhesive and 50% of flame retardant.
The fiber of the cigarette paper consists of needle wood and broad-leaved wood, and the weight ratio of the needle wood to the broad-leaved wood is 4:1.
The fire retardant of the cigarette paper is sodium chloride.
The adhesive of the cigarette paper is sodium carboxymethyl cellulose.
The specific implementation process is as follows:
1) Taking 28kg of softwood and 7kg of hardwood, and carrying out pulp breaking, pulp grinding and other treatments to obtain wood pulp;
2) Uniformly mixing wood pulp, 15kg of sodium carboxymethyl cellulose and 50kg of sodium chloride in a mixing tank, and shearing to obtain homogenized slurry;
3) The homogenized slurry was cast into a uniform, continuous web on a steel strip, and subjected to drying, peeling, etc. to obtain the cigarette paper of example 1, the appearance and photograph of which are shown in fig. 1.
The cigarette paper of example 1 above has a basis weight of 60-100g/m 2 Bulk of 1.22-1.28cm 3 And/g, tensile strength of 1.7kN/m.
Example 2
The embodiment provides novel heating non-combustible cigarette paper, which comprises the following components in parts by weight: 45.5% of fiber, 19.5% of adhesive and 35% of flame retardant.
The fiber of the cigarette paper consists of needle wood and broad-leaved wood, and the weight ratio of the needle wood to the broad-leaved wood is 4:1.
The fire retardant of the cigarette paper is sodium chloride.
The adhesive of the cigarette paper is sodium carboxymethyl cellulose.
The specific implementation process is as follows:
1) Taking 36.4kg of softwood and 9.1kg of hardwood, and carrying out pulp crushing, pulp grinding and the like to obtain wood pulp;
2) Uniformly mixing wood pulp, 19.5kg of sodium carboxymethyl cellulose and 35kg of sodium chloride in a mixing tank, and shearing to obtain homogenized slurry;
3) The homogenized slurry was cast on a steel strip to form a uniform, continuous web, which was dried and peeled to give the cigarette paper of example 2.
The cigarette paper of example 2 above has a basis weight of 80-110g/m 2 The bulk is 1.15-1.18cm 3 And/g, tensile strength of 1.8kN/m.
Example 3
The embodiment provides novel heating non-combustible cigarette paper, which comprises the following components in parts by weight: 37% of fiber, 13% of adhesive and 50% of flame retardant.
The fiber of the cigarette paper consists of needle wood and broad-leaved wood, and the weight ratio of the needle wood to the broad-leaved wood is 4:1.
The fire retardant of the cigarette paper is sodium chloride.
The adhesive of the cigarette paper is guar gum.
The specific implementation process is as follows:
1) Taking 29.6kg of softwood and 7.4kg of hardwood, and carrying out pulp crushing, pulp grinding and the like to obtain wood pulp;
2) Uniformly mixing and shearing wood pulp, 13kg of guar gum and 50kg of sodium chloride in a mixing tank to obtain homogenized slurry;
3) The homogenized slurry was cast on a steel strip to form a uniform, continuous web, which was dried and peeled to give the cigarette paper of example 3.
The cigarette paper of example 3 above had a basis weight of 75-115g/m 2 Bulk of 1.09-1.31cm 3 And/g, tensile strength of 1.2kN/m.
Example 4
The embodiment provides novel heating non-combustible cigarette paper, which comprises the following components in parts by weight: 36% of fiber, 10% of adhesive and 54% of flame retardant.
The fibers of the cigarette paper consist of fluff pulp.
The fire retardant of the cigarette paper is disodium hydrogen phosphate.
The adhesive of the cigarette paper is guar gum.
The specific implementation process is as follows:
1) After defibrating 36kg of fluff pulp, uniformly spreading on a forming net;
2) Preparing 10kg of guar gum, 60kg of disodium hydrogen phosphate and water into slurry in a mixing tank;
3) The slurry was uniformly sprayed on the fibrous substrate by spraying, and the cigarette paper of example 4 was obtained through a drying step.
The cigarette paper of example 4 above had a basis weight of 50-70g/m 2 The bulk is 2.77-2.85cm 3 And/g, tensile strength of 0.7kN/m.
Example 5
The embodiment provides novel heating non-combustible cigarette paper, which comprises the following components in parts by weight: 36% of fiber, 10% of adhesive and 54% of flame retardant.
The fibers of the cigarette paper consist of fluff pulp.
The fire retardant of the cigarette paper is sodium chloride.
The adhesive of the cigarette paper is guar gum.
The specific implementation process is as follows:
1) After defibrating 36kg of fluff pulp, uniformly spreading on a forming net;
2) Preparing 10kg of guar gum, 60kg of sodium chloride and water into slurry in a mixing tank;
3) The slurry was uniformly sprayed on the fibrous substrate by spraying, and the cigarette paper of example 5 was obtained through a drying step.
The cigarette paper of example 5 above had a basis weight of 50-70g/m 2 The bulk is 2.89-3.02cm 3 And/g, tensile strength of 0.6kN/m.
Example 6
The embodiment provides novel heating non-combustible cigarette paper, which comprises the following components in parts by weight: 36% of fiber, 10% of adhesive and 54% of flame retardant.
The fibers of the cigarette paper consist of fluff pulp.
The fire retardant of the cigarette paper is sodium chloride.
The adhesive of the cigarette paper is sodium carboxymethyl cellulose.
The specific implementation process is as follows:
1) After defibrating 36kg of fluff pulp, uniformly spreading on a forming net;
2) Preparing 10kg of sodium carboxymethyl cellulose, 60kg of sodium chloride and water into slurry in a mixing tank;
3) The slurry was uniformly sprayed on the fibrous substrate by spraying, and the cigarette paper of example 6 was obtained through a drying step.
The cigarette paper of example 6 above had a basis weight of 50-70g/m 2 Bulk of 3.11-3.28cm 3 And/g, tensile strength of 0.4kN/m.
Comparative example 1
The traditional cigarette is used as a control.
The traditional cigarette paper mainly comprises wood pulp, inorganic filler, combustion improver and the like, and is generally prepared by a conventional papermaking process.
Comparative example 2
Prepared by conventional papermaking processes using 65% fiber, 10% calcium carbonate, 5% guar gum, 20% zinc borate.
The quantitative rate of the cigarette paper is 50-70g/m 2 The bulk is 2.47-2.58cm 3 And/g, tensile strength of 0.5kN/m.
1. Flame retardant test
Each of the above examples 1-6 and conventional cigarette paper was cut into test strips each 20cm long and 1cm wide. The test strips were ignited by an alcohol burner (5 cm before the test strips for ignition), and when the flame was burned to 5cm, the open flame on the test strips was extinguished (the test strips were in smoldering state at this time), and the smoldering time and smoldering length recorded on the test strips were recorded to test the flame retardant properties of each experimental example and conventional cigarette paper, and the test results are shown in the following tables 1 and 2 (comparative example 1 and examples 1 to 6, respectively, from top to bottom):
TABLE 1 test results of flame retardant test
| Average smoldering length (cm) | Average smoldering time(s) | |
| Comparative example 1 | 8.1 | 41.7 |
| Comparative example 2 | 6.5 | 24.4s |
| Example 1 | 0.3 | 1.6 |
| Example 2 | 0.6 | 2.7 |
| Example 3 | 0.4 | 2.2 |
| Example 4 | 3.0 | 14.1 |
| Example 5 | 4.2 | 15.8 |
| Example 6 | 3.4 | 18.2 |
As can be seen from the experimental results in Table 1, the cigarette paper prepared by the cigarette paper formulation of the present application has a better flame retardant effect than the conventional cigarette paper, wherein the flame retardant effect of example 1 is the best.
2. Cigarette paper suitability test:
the fire-retardant capability of the cigarette paper is different because of different core materials filled in the non-combustible cigarettes heated by different heaters. Therefore, a cigarette paper applicability test is designed to test the flame retardant property of the cigarette paper prepared by the cigarette paper formula after various cigarette core materials are rolled, and the applicability of the cigarette paper to different cigarette core materials is tested.
The above examples 1-6 and conventional cigarette paper were rolled/filled into cigarettes with conventional tobacco cut filler (ordered), 30% smoke agent-containing material (unordered), flavor-containing core material (unordered), and tobacco particles, respectively, having a length of 94mm (with a filter length of 34 mm). Different cigarettes were ignited with fire (5 mm before) and were tested for flame retardance as follows:
TABLE 2 flame retardance test results for different cigarettes
As can be seen from the test results in Table 2, the cigarette paper prepared by the cigarette paper formula has good flame retardant effect with cigarettes rolled by or filled with different types of cigarette core materials in different forms, and the cigarette paper prepared by the cigarette paper formula is applicable to cigarettes rolled by or filled with most of conventional cigarette core materials, provides corresponding flame retardant effect, and has wide application range.
3. Combustion performance of cigarette paper in heating non-combustion cigarette smoking set:
the cigarette paper prepared by adopting the traditional cigarette paper and the cigarette paper prepared by the embodiment 1-6 is used for making cigarettes, the cigarettes with the circumferential structures are heated at different temperatures, the burning performance of the traditional cigarette paper and the cigarette paper prepared by the cigarette paper formula is tested and compared, and the test result is as follows:
table 3 results of test of the burn properties of cigarette paper
As can be seen from the test results in Table 3, the cigarette paper prepared by the cigarette paper formula of the application does not cause combustion at 500 ℃, and the cigarette paper of the application can enable the cigarette to have higher heating temperature, so that substances in the cigarette can be released better.
4. Air permeability test of cigarette paper
Air permeability characterizes the amount of air per minute that a certain area of paper is permeable or the time that a certain amount of air is permeable under a certain vacuum. The air permeability of the conventional cigarette paper and the cigarette papers prepared in examples 1 to 6 was measured with an air permeability tester under the same test area, and the measurement results were as follows:
table 4 results of the test for air permeability of cigarette paper
| Project | Air permeability (ml/min) |
| Traditional cigarette paper | 112 |
| Example 1 | 197 |
| Example 2 | 184 |
| Example 3 | 189 |
| Example 4 | 289 |
| Example 5 | 298 |
| Example 6 | 338 |
As can be seen from the test results in Table 4, the cigarette paper prepared by the cigarette paper formula provided by the application has better air permeability, can be heated more fully and uniformly in the heating process of the cigarette, and can release smoke generated by the cigarette better, wherein the air permeability of experimental example 6 is the best.
5. Cigarette paper heat conduction property test
The heat conductivity coefficient refers to a material with a thickness of 1m under the condition of stable heat transfer, the temperature difference of the two side surfaces is 1℃ (K), and the heat transferred through the area of 1 square meter is expressed in W/m DEG C in a certain time. The thermal conductivity of the conventional cigarette paper and the cigarette papers prepared in examples 1 to 6 were measured by a thermal constant tester, and the measurement results were as follows:
table 5 test results of thermal conductivity of cigarette paper
| Project | Coefficient of thermal conductivity (W/m.K) |
| Traditional cigarette paper | 0.06 |
| Example 1 | 0.11 |
| Example 2 | 0.08 |
| Example 3 | 0.1 |
| Example 4 | 0.1 |
| Example 5 | 0.09 |
| Example 6 | 0.08 |
As can be seen from the test results in Table 5, the heat conductivity of the cigarette paper prepared in other examples except example 5 is higher than that of the conventional cigarette paper, which indicates that the cigarette paper prepared by the cigarette paper formula can enhance the heat conductivity of cigarettes, and the cut tobacco in the cigarettes can be heated more quickly and more sufficiently. Among them, the heat conductive property of example 1 is the best.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the application.
Furthermore, those skilled in the art will appreciate that while some embodiments herein include some features but not others included in other embodiments, combinations of features of different embodiments are meant to be within the scope of the application and form different embodiments. For example, in the claims below, any of the claimed embodiments may be used in any combination. The information disclosed in this background section is only for enhancement of understanding of the general background of the application and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Claims (10)
1. The heating non-combustible cigarette paper is characterized by comprising the following raw materials in percentage by mass:
30-65% of fiber, 5-20% of adhesive and 30-60% of flame retardant;
the flame retardant includes a water-soluble inorganic salt.
2. The heated non-combustible cigarette paper of claim 1 wherein the source of fibers comprises one or more of fluff pulp, softwood, hardwood.
3. The heated non-combustible cigarette paper of claim 1 wherein the adhesive comprises one or more of sodium carboxymethyl cellulose, chitosan, guar gum, starch gum.
4. The heated non-combustible cigarette paper of claim 1 wherein the inorganic salts include one or more of sodium chloride, calcium chloride, disodium hydrogen phosphate, potassium carbonate.
5. The heated non-combustible cigarette paper of any of claims 1-4 wherein the heated non-combustible cigarette paper has a basis weight of 40-100g/m 2 Bulk of 1.00-3.50cm 3 Per g, the tensile strength is 0.3-2.0kN/m, and the air permeability is 200-400mL/min.
6. A method of making a heated non-combustible cigarette paper of any of claims 1-5 comprising:
and mixing the raw materials, shearing to obtain slurry, and then salivating and drying to obtain the heating non-combustible cigarette paper.
7. A method of making a heated non-combustible cigarette paper of any of claims 1-5 comprising:
and mixing the adhesive, the flame retardant and water to obtain a mixed solution, spraying the mixed solution on a fibrous substrate formed by the fibers, and drying to obtain the heating non-combustible cigarette paper.
8. A heated non-combustible cigarette comprising a heated non-combustible cigarette paper according to any of claims 1 to 5 and a core material contained in a receiving space formed by the heated non-combustible cigarette paper.
9. The heated non-combustible cigarette of claim 8, wherein the core material comprises one or more of nicotine, flavoring and a smoke agent;
preferably, the core material comprises one or more of an ordered arrangement of filamentary material, an unordered arrangement of filamentary material and particulate material.
10. A heated non-combustion system comprising the heated non-combustion cigarette of claim 8 or 9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210272423.3A CN116804316A (en) | 2022-03-18 | 2022-03-18 | Heating non-combustible cigarette paper, preparation method thereof, heating non-combustible cigarette and heating non-combustible system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210272423.3A CN116804316A (en) | 2022-03-18 | 2022-03-18 | Heating non-combustible cigarette paper, preparation method thereof, heating non-combustible cigarette and heating non-combustible system |
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| CN116804316A true CN116804316A (en) | 2023-09-26 |
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