CN111802702A - Fragrance slow-release material, heating rod, cigarette holder rod, preparation method of cigarette holder rod and application of cigarette holder rod in heating non-combustible tobacco products - Google Patents
Fragrance slow-release material, heating rod, cigarette holder rod, preparation method of cigarette holder rod and application of cigarette holder rod in heating non-combustible tobacco products Download PDFInfo
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- CN111802702A CN111802702A CN201910280896.6A CN201910280896A CN111802702A CN 111802702 A CN111802702 A CN 111802702A CN 201910280896 A CN201910280896 A CN 201910280896A CN 111802702 A CN111802702 A CN 111802702A
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F47/00—Smokers' requisites not otherwise provided for
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/06—Use of materials for tobacco smoke filters
- A24D3/14—Use of materials for tobacco smoke filters of organic materials as additive
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Abstract
The invention belongs to the technical field of heating non-burning tobacco products, and particularly discloses a flavor slow-release material which comprises a paper base material and a polymer layer compounded on the surface of the paper base material; the paper substrate and/or the polymer layer contain essence and flavor. The invention also provides a preparation method and application of the flavor slow-release material, and in addition, the invention also comprises a heating rod and a cigarette holder rod which are compounded with the flavor slow-release material, and a tobacco product which is not combusted during heating. The invention innovatively discovers that the fragrance slow-release material is obtained by taking a high-adsorbability paper base material as a framework material, coating a polymer on the surface of the high-adsorbability paper base material and distributing essence and spice in the paper base material and/or the polymer. The invention innovatively utilizes the paper base material as a bearing material, and further utilizes the adsorption and encapsulation effects of the paper base material and the polymer on the essence and flavor, so that the immobilization and slow release of the essence and flavor can be effectively realized.
Description
Technical Field
The invention relates to a flavor slow-release material and application thereof in heating non-burning tobacco products, belonging to the technical field of novel tobacco products.
Background
A heating non-combustible tobacco product (also called low-temperature tobacco, HNB) is a novel tobacco product with the flavor characteristics closest to that of the traditional cigarette, and the harmful chemical components and the biological toxicity of the smoke are lower. However, the tobacco material part of HNB is continuously in the "high temperature environment" of about 180-350 ℃, which is significantly different from the "burning-by-mouth" of traditional cigarettes, resulting in the release of flavor substances, especially the release of additional flavor substances with strong volatility is very uneven, and the additional flavor substances are often volatilized and almost completely in the first mouth and the second mouth, so that the difference between the before and after the smoking taste is large, and the quality stability and the product taste style are difficult to ensure. Therefore, the method solves the problem of uniformity of the HNB flavor from mouth to mouth, and is a key basic technology for endowing the HNB product with better sensory quality and stable style characteristics. Without the technology, the incense blending creation power of a flavor blending engineer is inexperienced, and HNB blending is an aerial pavilion.
At present, some researches are carried out in the aspect of flavor slow-release control technology at home and abroad, and the main methods comprise: (1) adding fragrance precursor, and heating at high temperature or burning for cracking to generate fragrance substance. (2) The microcapsules are added. The coating of the essence is realized by coating and other technical means, and the essence are released by the rupture or degradation of the capsule wall. (3) Adding an adsorbent, and adsorbing the essence and the spice by utilizing the porous structure of the adsorbent.
However, the above flavor release method is not completely applicable to HNBs. Because the heating temperature is far lower than the combustion temperature of the traditional cigarette, some aroma precursors cannot be cracked to generate aroma substances, or the aroma substances wrapped in the microcapsule wall materials cannot be released because the cracking temperature of the microcapsule wall materials cannot be reached, or the aroma substances cannot be slowly and uniformly released only by depending on the adsorption capacity of the adsorbent. In addition, although there are a few studies on the flavor release technology of tobacco products which are not combusted by heating, most of the studies are directed to monomer flavors with certain special structures or classes such as menthol and beta-ionone, the technical means are limited, and particularly, the flavor release technology with production and application values is lacked.
Disclosure of Invention
The first object of the present invention is to provide a fragrance sustained-release material having a fragrance sustained-release effect.
The second purpose of the invention is to provide a preparation method of the flavor slow-release material.
The third purpose of the invention is to provide the application of the fragrance slow-release material.
The fourth object of the present invention is to provide a fragrance sustained-release heating rod to which the fragrance sustained-release material is added.
The fifth purpose of the invention is to provide a fragrance slow-release cigarette holder rod added with the fragrance slow-release material.
A sixth object of the present invention is to provide a tobacco product which is not burned by heating and is loaded with the aroma-releasing heating rod and/or the aroma-releasing cigarette holder rod.
A fragrance slow-release material comprises a paper base material and a polymer layer compounded on the surface of the paper base material;
the paper substrate and/or the polymer layer contain essence and flavor.
The invention innovatively discovers that the fragrance slow-release material is obtained by taking a high-adsorbability paper base material as a framework material, coating a polymer on the surface of the high-adsorbability paper base material and distributing essence and spice in the paper base material and/or the polymer. The invention innovatively utilizes the paper base material as a bearing material, and further utilizes the adsorption and encapsulation effects of the paper base material and the polymer on the essence and flavor, so that the immobilization and slow release of the essence and flavor can be effectively realized.
The fragrance slow-release material disclosed by the invention is a hierarchical structure comprising a paper substrate and a polymer layer covering the paper substrate. The fragrance slow-release material with the structure can effectively prevent the essence and the spice from volatilizing rapidly by utilizing the cooperativity of the paper base material and the polymer in the aspect of perfuming, slowly and uniformly release fragrance in the smoking process, improve the sensory quality of mouth-to-mouth smoking, and endow the tobacco products which are not burnt with stable quality style characteristics when being heated.
In the present invention, the grammage of the paper substrate is>10g/m2. The paper substrate is preferably paper having good adsorption and no sensory odor.
The paper substrate has better adsorbability (gram weight)>10g/m2) The invention has various functions, one of which is used as a bearing material to improve the process operability; and secondly, the polymer is cooperated with the polymer to be used as a host of the essence and the spice, so that the slow release effect of the essence and the spice is synergistically improved.
The inventor researches and discovers that the paper base material with proper gram weight is beneficial to improving the synergistic effect with the polymer, and further beneficial to further improving the fragrance slow-release effect of the fragrance slow-release material; and the production continuity, the blending uniformity, the rolling adaptability and the like of the flavor sustained-release material are improved, so that the method is more beneficial to industrial production and application.
Preferably, the method comprises the following steps: the gram weight of the paper substrate is not less than 15g/m2(ii) a Further preferably not less than 25g/m2(ii) a More preferably 35 to 150g/m2. The research of the invention finds that the preferable grammage paper substrate and polymer have better effect on the aspect of fragrance slow release.
The paper substrate of the present invention may be made of materials well known in the art.
Preferably, the method comprises the following steps: the paper substrate comprises a fibrous support material.
The fiber supporting material comprises one or more of wood pulp fiber, hemp fiber, cotton fiber, grass fiber and other papermaking fiber raw materials.
In the present invention, the polymer layer may be laminated on either surface (front and/or back) of the paper substrate.
The invention innovatively utilizes the adsorption and encapsulation effects of the polymer on the aroma flavor and the supporting and host effects on the aroma flavor in cooperation with the paper substrate to achieve the slow release purpose of the aroma.
In the present invention, the polymer of the polymer layer is a water-soluble or alcohol-soluble polymer material having film-forming properties.
The polymer of the polymer layer is one or a combination of more of hydroxypropyl methyl cellulose, polyvinyl alcohol, polyvinylpyrrolidone, hydroxypropyl cellulose, methyl cellulose and ethyl cellulose. The preferred polymer materials can adsorb, embed and immobilize the flavors and fragrances at normal temperature, thereby effectively preventing the fragrance components from volatilizing rapidly and slowly and uniformly releasing the fragrance components at the working temperature of heating the nonflammable tobacco products.
The molecular weight of the polymer layer is preferably 5-150 ten thousand.
Preferably, the polymer layer contains essence and flavor, and one or more polymer A layers are compounded on the surface of the polymer layer; the polymer A layer does not contain essence and flavor.
The research of the invention finds that when the essence and flavor are added to the polymer layer, a polymer A layer without essence and flavor is preferably compounded on the surface of the polymer A layer. The preferred flavor slow-release material comprises a paper substrate, a polymer layer middle layer containing flavor and fragrance, and a polymer A layer surface layer without flavor and fragrance. The inventor researches and discovers that the preferred fragrance slow-release material has unexpectedly better fragrance slow-release effect. The polymer layer with the multilayer structure can realize the gradual and accurate release of the essence and the spice.
Preferably, the polymers of polymer a layer and polymer layer are the same or different.
The molecular weight of the polymer in the polymer A layer is preferably 5-150 ten thousand, and further preferably at least one of hydroxypropyl methylcellulose, polyvinyl alcohol, polyvinylpyrrolidone, hydroxypropyl cellulose, methylcellulose and ethyl cellulose.
Preferably, the total content (loading rate) of the polymers in the flavor sustained-release material is not less than 1 wt%.
In the present invention, the total content of the polymers refers to the total amount of the polymers adsorbed in the paper base material, the polymer a coated on the surface layer, and the polymers adsorbed in the paper base material in the flavor release material. The measuring method of the load rate comprises the following steps: 1m long uncoated base paper was cut, weighed and recorded as Q0(ii) a Shearing 1m long coated and dried flavor release material, weighing, and recording the weight of Q1(ii) a The loading rate of the flavor sustained-release material on the flavor sustained-release material is L (%) ═ (Q)1-Q0)/Q0*100％。
Researches show that the larger the polymer loading rate is, the better the coating effect on the flavor is, and the thickness, hardness and gram weight of the material are increased, so that the material can be more easily and uniformly mixed with tobacco materials to be rolled into cigarettes.
Preferably, the total content of the polymers in the flavor release material is 1 to 90 wt%.
The slow-release flavoring technology has universality on essences and flavors; in theory, the essence and flavor which are allowed to be added in the industry can be applied to realize the slow release effect.
Preferably, the essence and flavor provided by the invention is at least one of synthetic flavor raw materials, natural flavor raw materials, essence bases or essences. Preferably, the tobacco flavor material can be a characteristic flavor which is added into a non-combustion tobacco product by heating and is separately emphasized or highlighted, such as furanone, menthol, ethyl maltol and the like; further preferably, the tobacco flavoring essence and the surface essence containing the characteristic fragrance note can be used. The loading capacity of the flavors and fragrances on the paper depends on the characteristic aroma threshold of the aroma raw materials and the formula design target of the HNB product.
Preferably, the paper substrate layer and/or the polymer layer further comprises functional additives for at least one of moisture retention, fragrance substance adsorption enhancement, smoke and aroma supplementation, and material physical property adjustment.
The humectant is at least one of glycerol, propylene glycol and polyethylene glycol.
The flavoring adsorbent is at least one of diatomite, activated carbon, chitosan, cyclodextrin and starch.
Further preferably: the functional additive is one or more of glycerol, propylene glycol, polyethylene glycol, diatomite, activated carbon, chitosan, cyclodextrin and starch. Researches show that the addition of the functional materials can realize the original functions, and can be cooperated with the paper base material, the polymer and the polymer structure to further improve the fragrance slow-release effect to a certain extent.
The functional additive can be selectively added according to the preparation requirement, and the preferable total adding amount is not more than 60 wt% of the weight of the fragrance slow-release material.
Preferably, the method comprises the following steps: the paper substrate layer and/or the polymer layer also allow for the inclusion of a colorant.
The colorant can be used for adjusting the color of the flavor slow-release material to be close to the natural color of tobacco. The colorant includes but is not limited to one or more of pigment for cigarette and edible pigment.
The invention also provides a preparation method of the flavor slow-release material, which comprises the following steps: according to the structure of the fragrance slow-release material, the fragrance slow-release material is prepared by a coating method.
The preferred preparation method of the invention comprises the following three embodiments:
mode A: and (3) coating the solution containing the essence, the spice and the polymer on the paper base material, and drying to obtain the paper base material. The fragrance slow-release material prepared by the method comprises a paper base material and a polymer layer compounded on the surface of the paper base material; wherein the polymer layer contains a fragrance component. In mode a, the solution containing the flavorant, polymer is allowed to partially embed into the paper substrate during the coating process.
Mode B: coating the solution containing essence and flavor on a paper substrate in advance, drying, coating the solution containing polymer, and drying to obtain the paper substrate. The fragrance slow-release material prepared by the preferred preparation method comprises a paper base material loaded with essence and flavor and a polymer layer coating the paper base material.
Mode C: coating the solution containing the essence, the spice and the polymer on a paper substrate in advance, drying, coating the solution containing the polymer A, and drying to obtain the paper substrate. The fragrance slow-release material prepared by the preferred preparation method comprises a paper base material, wherein the surface of the paper base material is a polymer layer containing essence and flavor, and the surface of the polymer layer is also compounded with a polymer layer A; the polymer layer A is not added with essence. In mode C, the solution containing the flavorant, polymer is allowed to partially embed into the paper substrate during the coating process. The inventor researches and unexpectedly finds that the fragrance sustained-release material prepared by the mode C has a better fragrance sustained-release effect.
In the preparation process, the materials are dissolved by adopting a solvent capable of dissolving the essence and the spice and/or the polymer to prepare the corresponding coating liquid.
The solvent is water, or an organic solvent mutually soluble with water, or a mixture of a plurality of organic solvents mutually soluble with water, or an aqueous solution of the solvents. Wherein, the organic solvent which is mutually soluble with water is acetone, ethyl lactate and ethanol.
The method and the coating operation can refer to the existing methods, including knife coating, roller transfer, dip coating, spray coating and the like.
The invention also provides an application of the fragrance slow-release material, which is used for preparing a tobacco product which is not combusted by heating; preferably it is used for the preparation of a heating rod for heating a non-combustible smoking article; further preferably, the cut tobacco is mixed with a tobacco material to prepare a heating rod.
The invention also provides an application of the fragrance slow-release material, which is used for preparing a tobacco product which is not combusted by heating; it is preferably cut, folded or crimped for use in making a cigarette holder rod for a heat-not-burn tobacco product.
The flavor slow-release material can be cut into any shape and size used for heating non-combustible cigarettes by adopting the existing method.
The invention also provides a fragrance slow-release heating rod for heating non-burning tobacco products, which comprises the fragrance slow-release material and tobacco raw materials. The tobacco raw material can be cut tobacco and/or tobacco powder.
Preferably, the aroma slow-release heating rod for heating the non-burning tobacco products is a unit rod or a multi-element rod.
The invention also provides a fragrance slow-release cigarette holder rod for heating non-burning tobacco products, which comprises the fragrance slow-release material.
Preferably, the aroma slow-release heating rod for heating the non-burning tobacco products is a unit rod or a multi-element rod.
The invention also provides a heating non-combustion tobacco product which comprises the aroma slow-release heating rod and/or the aroma slow-release cigarette holder rod.
Has the advantages that:
1. the invention uses paper with high adsorptivity and no peculiar smell as a framework material, the surface of the paper is coated with polymer, and essence and spice are distributed in the paper base material and/or the polymer; the material can effectively inhibit the volatilization of the fragrant substances at normal temperature, and can slowly and uniformly release the fragrant components at the operating temperature of HNB, thereby greatly improving the release uniformity of the fragrant substances in the smoking process, improving the smoking quality and providing technical support for developing heating non-combustible tobacco products with good sensory quality and distinct style characteristics.
2. The preferred paper substrate, multi-layer composite flavor slow-release material comprising the flavor and fragrance polymer intermediate layer and the polymer outer layer (polymer A layer) have better flavor slow-release effect.
3. The essence has wide application range, and the target object of slow release not only relates to volatile or semi-volatile monomer spices, but also comprises water-soluble and fat-soluble essence or essence base with complex components, so that the richness of the aroma of HNB smoke can be better improved, the quality of the HNB smoke can be improved, the quality stability of HNB products can be improved, and the technical basis for endowing the style characteristics of the products with the essence and the spices can be laid.
4. The most outstanding advantages of the invention are that the raw materials of the flavor slow-release material are cheap and easy to obtain, the process is strong in operability, the material is easy to shred and evenly mix with other tobacco materials, HNB cigarettes can be directly coiled by using conventional cigarette coiling equipment, and the method is suitable for the existing cigarette production and manufacturing process.
Drawings
FIG. 1 shows a flavor release material prepared in example 3.
FIG. 2 is a thermogravimetric plot of the flavor release material prepared in example 3.
The specific implementation scheme is as follows:
the invention is further described with reference to specific examples. The following examples are intended to illustrate the invention without further limiting it.
The average molecular weight of the polymers of cases 1-6 was 86000, the viscosity was 60-100mPa.s and the average molecular weight of the polymer of case 7 was 75000.
Example 1
The essence A is a common cigarette essence, contains some common volatile and semi-volatile flavor components, and mainly comprises the following components: water, ethyl butyrate, ethyl 2-methylbutyrate, ethyl isovalerate, furfural, hexyl hexanoate, 3-methyl-pyrazine, 2-ethyl-3-methylpyrazine, benzaldehyde, acetophenone, megastigmatrienone, geranylacetone, beta-damascenone, dihydrodamascenone, menthol, methyl phenylacetate, a tobacco extract, a fig extract, an apple extract, a jujube tincture, a vanilla bean tincture, benzoin paste, a licorice fluid extract, and the like.
In order to promote the essence A to be slowly and uniformly released in the heating stage, the gram weight of the essence A is 17g/m2The high-adsorbability hemp pulp paper (adopting manila hemp pulp, the water absorption is approximately equal to 5g/m2) The essence A is adsorbed and fixed by the supporting material. The specific implementation method comprises the following steps: weighing 360g of essence A, 90g of hydroxypropyl methylcellulose and 3kg of 85% ethanol solution, mixing, stirring after the materials are completely dissolvedAnd (4) homogenizing to obtain the coating liquid. The coating liquid is coated on paper materials in a roller transfer mode, the coated paper materials are conveyed to a drying box along with a conveying belt, and the paper materials are dried at a low temperature of 50 ℃ to remove moisture, so that the fragrance slow-release material loaded with the essence A is obtained. The paper material has strong adsorption capacity, wherein the loading rate of the essence A and the film material (hydroxypropyl methyl cellulose) on the dry paper is 4.0%. In addition, it was found that 17g/m was used2The high-adsorbability jute pulp paper is used as a supporting material, and due to low gram weight and insufficient paper strength, paper breakage is easy to occur in the coating process, and the process continuity is poor. Subsequent studies are intended to test the preferred paper with higher grammage and high absorbency.
Shredding the flavor slow-release material, mixing the shredded flavor slow-release material with tobacco sheets in a proportion of 3%, rolling the tobacco sheets into a heating rod, assembling the heating rod and a cigarette holder rod into a cigarette which is not combusted during heating, and performing sensory evaluation comparison on the cigarette which is not combusted during heating and is directly flavored. The result shows that the cigarette with the fragrance directly injected is adopted, the fragrance of the first mouth is very strong during smoking, the fragrance of the second mouth is obviously lightened, the fragrance can not be basically felt by a plurality of mouths, the uniformity of the fragrance released by mouths is poor, and the difference of the taste before and after smoking is large; after the flavor slow-release material prepared by the embodiment is added, the flavor of the non-combustible tobacco product is heated, the flavor is continuous and the uniformity of the release from one mouth to the other mouth is good, and obvious flavor can be sensed from the first mouth to the sixth mouth and the seventh mouth.
In conclusion, the invention is suitable for the tobacco essence with complex flavor components, and compared with the direct injection flavoring by adding the flavor sustained-release material, the invention can effectively improve the release uniformity of the flavor components, remarkably improve the sensory quality of mouth-to-mouth smoking, and continuously release six or seven mouths of flavor.
Example 2
Another preferred embodiment uses a high absorbency cigarette paper rod having a grammage of 25.5g/m2 (using North wood pulp Canada, water absorbency ≈ 7.5g/m2). The method comprises the following specific steps: firstly, coating the essence A on paper, removing the solvent, and then coating a layer of film material on the surface of the paper.
The scheme comprises the following specific steps: 360g of essence A is weighed, diluted to 3kg by 85% ethanol solution and stirred uniformly. The essence solution is coated on paper, the coated paper is conveyed to a drying box along with a conveying belt, and the paper is dried at a low temperature of 50 ℃ to remove moisture, so that the fragrance slow-release material A is obtained. Then 3kg of hydroxypropyl methyl cellulose solution with the concentration of 3% is prepared and coated on the material A, and the final fragrance slow-release material is obtained. By comparing the weight of the paper before and after coating, the loading rates of the essence and the film material (hydroxypropyl methyl cellulose) on the material are respectively 4.5% and 3.4%, which shows that the paper has stronger adsorption capacity. The flavor slow-release material is cut into threads and then uniformly mixed with tobacco sheets according to the proportion of 3 percent, the tobacco sheets are rolled into a heating rod, and then the heating rod and a cigarette filter rod are assembled into a cigarette for evaluation of the slow-release effect.
The result shows that the flavoring paper material (the flavoring slow-release material A in the case) only coated with the essence but not coated with the film material can only continuously release four or five mouths of the essence, and has larger difference of sensory quality of front and back pumping; the flavor slow-release material added with the membrane material can continuously, slowly and stably release flavor substances at the temperature of between 100 and 300 ℃, can still feel relatively strong flavor until the eighth and ninth mouths, and has rich and better flavor and harmony. In addition, studies have found that the higher the content of flavor materials, the more free, the more lost the process and the lower the utilization efficiency. The aroma characteristics are prominent when the addition amount of the aroma materials is large. The specific addition ratio depends on the application, and when the other fragrances are modified, the ratio may be less than 1% or even lower.
Example 3
In another optimized embodiment, the essence A and the film material are mixed and coated on the paper material, and after the solvent is removed, a layer of film material is coated on the surface of the paper material. The scheme adopts the high-adsorbability cigarette paper stick paper with the gram weight of 25.5g/m2 (adopting northern wood pulp of Canada, the water absorbability is approximately equal to 7.5g/m2)。
The method comprises the following specific steps: weighing 500g of essence A, 90g of hydroxypropyl methylcellulose and 2410g of 85% ethanol solution, mixing, completely dissolving, and stirring to obtain the flavoring coating solution. The aromatized coating liquid is coated on paper materials in a blade coating mode, the coated paper materials are conveyed to a drying box along with a conveying belt, and the paper materials are dried at the low temperature of 50 ℃ to remove moisture, so that the aroma slow-release material A is obtained. Then 3kg of hydroxypropyl methyl cellulose solution with the concentration of 3% is prepared and coated on the fragrance sustained-release material A in a blade coating manner, and the final fragrance sustained-release material is obtained (figure 1). By comparing the weight of the paper before and after coating, the loading rate of the essence A and the film material on the fragrance sustained-release material can reach 10.3%. Shredding, mixing with tobacco sheet at a ratio of 3%, rolling into heating rod, and assembling with filter tip into cigarette.
To further characterize the change in perfume weight with temperature, we performed TG analysis on perfume a and high adsorbing paper and perfume slow release material, respectively. As shown in fig. 2, the TG curve of essence a shows a steeply decreasing curve below 200 ℃, 60% (mass ratio) of essence has rapidly volatilized by 150 ℃, and only about 30% of essence remains when 200 ℃ is reached; the high-adsorbability paper basically has no quality change within 300 ℃; the TG curve of the fragrance slow-release material is a slowly-descending curve between 100-300 ℃, the immobilized essence is volatilized in a continuous, slow, uniform and stable manner in each temperature interval below 300 ℃, the weight loss rate at 300 ℃ is 5.6 percent, the slow-release effect is further improved on the basis of the examples 1 and 2, and the fragrance can still be sensed after the tenth taste.
Example 4
In order to further investigate the slow release effect of the flavor slow release material on the tea flavor, the tea flavor surface flavor is taken as a research object to be researched, and the tea flavor mainly comprises the following flavor components: water, ethyl butyrate, ethyl 2-methylbutyrate, leaf alcohol, isoamyl acetate, amyl acetate, butyl butyrate, leaf alcohol acetate, geranyl acetate, bergamot oil, tetrahydrogeraniol, terpineol, linalyl acetate, lavender oil, geranylacetone, benzyl benzoate, tea polyphenol and the like.
According to the method of the embodiment 2, the tea essence is coated on the paper material in a roller transfer mode, the coated paper material is conveyed to a drying box along with a conveying belt, and the tea essence is dried at the low temperature of 50 ℃ to remove moisture, so that the fragrance slow-release material A is obtained. Then 3kg of hydroxypropyl methyl cellulose solution with the concentration of 4% is prepared and coated on the fragrance sustained-release material A, and the final fragrance sustained-release material is obtained. By comparing the weight of the paper before and after coating, the loading rates of the tea essence and the film material on the fragrance sustained-release material are respectively 3.8% and 3.7%. Shredding, mixing with tobacco sheet at a ratio of 2%, rolling into heating rod, and assembling with filter tip into cigarette.
Sensory evaluation and analysis test results show that the flavor slow-release material can effectively realize the immobilization and slow release of the tea flavor essence, so that the tea flavor essence can continuously, slowly and uniformly release flavor substances at the temperature of between 100 and 300 ℃, can emit obvious tea flavor aroma, and can continuously and uniformly release more than eight or nine mouths.
Example 5
According to the method of example 3, the gram weight with larger adsorption capacity is changed to 35g/m2The high-adsorbability cigarette paper stick paper (adopting Canadian northern wood pulp, the water absorption is approximately equal to 10g/m2) Applying a coating solution containing tea essence (16%), hydroxypropyl methylcellulose (4%) and 85% ethanol solution (80%) onto paper, conveying the coated paper to a drying oven along with a conveying belt, and drying at a low temperature of 50 ℃ to remove water to obtain the fragrance slow-release material A. Then 3kg of hydroxypropyl methyl cellulose solution with the concentration of 5% is prepared and coated on the fragrance sustained-release material A, and the final fragrance sustained-release material is obtained. By comparing the weight of the paper before and after coating, the loading rate of the tea essence and the film material on the material is 11.5%. Shredding, mixing with tobacco sheet at a ratio of 2%, rolling on a fine cigarette rolling device to obtain heating rod, and assembling into cigarette.
Sensory evaluation and analysis test results show that the flavor slow-release material can effectively realize the immobilization and slow release of the tea flavor, so that the tea flavor can continuously, slowly and uniformly release flavor substances at the temperature of between 100 and 300 ℃, very thick and prominent tea flavor can be emitted, the slow-release effect is further improved on the basis of example 4, the first taste flavor is lighter than that of example 4, but the flavor release is more durable, and the tea flavor can still feel the thick flavor until the last two tastes.
Example 6
A further optimization improvement is made on the basis of example 5, namely, a coloring agent is added: adding a coloring agent into the flavor slow-release material to enable the color of the material to be closer to that of tobacco shreds; secondly, the coating method is improved, and the loading rate of the membrane material is improved: the coating is sequentially carried out three times, wherein the mixed solution of the essence and the spice containing the colorant and the membrane material is coated for the first time, and the hydroxypropyl methyl cellulose solution is coated for the second time and the third time so as to enhance the coating of the aroma. The method comprises the following specific steps: 720g of tea essence, 100g of hydroxypropyl methyl cellulose, 20g of gardenia extract, 120g of caramel extract and 2040g of 85% ethanol solution are weighed and mixed together, and after complete dissolution, the mixture is stirred uniformly to obtain the aroma coating liquid. The aroma coating liquid is coated to the gram weight of 35g/m by means of blade coating2The coated paper material is conveyed to a drying box along with a conveying belt on the high-adsorbability cigarette paper stick paper, and the fragrance slow-release material A is obtained after the paper material is dried at the low temperature of 50 ℃ to remove moisture. Preparing 3kg of 4% hydroxypropyl methyl cellulose solution, coating the hydroxypropyl methyl cellulose solution on the fragrance slow-release material A, drying, and coating a layer of 4% hydroxypropyl methyl cellulose solution to obtain the final fragrance slow-release material. By comparing the weight of the paper before and after coating, the loading rate of the fragrance slow-release material on the material can reach 13.7%. Shredding, mixing with tobacco shred at a ratio of 3%, rolling on a fine cigarette rolling device to obtain heating rod, and assembling into cigarette.
Sensory evaluation and analysis test results show that the flavor slow-release material can continuously, slowly and uniformly release flavor substances at the temperature of between 100 and 300 ℃ until two last mouths still can feel relatively strong flavor. The added natural coloring agent can not generate negative sensory influence, a small amount of flavor components released by the caramel extract are coordinated with the tea flavor, and meanwhile, the hardness and the thickness of the flavor slow-release material prepared by the paper material with larger gram weight are increased, so that the flavor slow-release material is easier to be uniformly mixed with other tobacco materials. In addition, we also found that the material can still emit very strong tea fragrance when stored for 5 months at room temperature, which indicates that the fragrance slow-release material can effectively prolong the storage time of the top-fragrance essence with strong volatility.
Example 7
According to the method of example 2, tea aroma at a concentration of 12% was applied to a wood pulp-natural colored double-dry (WD) electrolytic paper (grammage 50 g/m)2The water absorption is approximately equal to 10g/m2) The paper comprises wood pulp fibers and cotton fibers, wherein the content of the cotton fibers is up to 40%, and the paper has strong adsorption capacity. And (3) conveying the coated paper material to a drying oven along with a conveying belt, and drying at a low temperature of 50 ℃ to remove moisture to obtain the fragrance slow-release material A. Then 3kg of 3 percent polyvinyl alcohol 0588 solution is prepared and coated on the fragrance sustained-release material A, and the final fragrance sustained-release material is obtained. By comparing the weight of the paper before and after coating, the loading rates of the tea essence and the film material on the material are respectively 6.3% and 3.5%. The cigarette is bundled and folded by a filter tip forming machine, is combined with a common filter tip after being cut to form a composite cigarette filter tip, and is assembled with a tobacco heating rod to be rolled into cigarettes.
Sensory evaluation and analysis test results show that the flavor slow-release material is applied to the mouth stick end, can remarkably improve the slow-release effect of the tea flavor, can continuously and uniformly release more than eight mouths, and has harmonious and natural tea flavor.
Table 1 shows the table of the evaluation of the immobilizing and sustained-releasing effects of the flavor sustained-release material
The present invention is not limited to the above embodiments, and any flavor-releasing material containing a film material is coated on a paper material to prepare a tobacco product which does not burn when heated.
Claims (34)
1. A fragrance-releasing material characterized by: comprises a paper substrate and a polymer layer compounded on the surface of the paper substrate;
the paper substrate and/or the polymer layer contain essence and flavor.
2. The flavor release material according to claim 1, wherein: the paper baseGrammage of timber>10g/m2And paper material without peculiar smell in sense.
3. The flavor release material according to claim 1, wherein: the gram weight of the paper substrate is not less than 15g/m2。
4. The flavor release material according to claim 1, wherein: the gram weight of the paper substrate is not less than 25g/m2。
5. The flavor release material according to claim 1, wherein: the gram weight of the paper base material is preferably 35-150 g/m2。
6. The flavor release material according to claim 1, wherein: the paper substrate comprises a fiber-based support material;
the fiber supporting material comprises one or more of wood pulp fiber, hemp fiber, cotton fiber, grass fiber and other papermaking fiber raw materials.
7. The flavor release material according to claim 1, wherein: the polymer layer is compounded on any surface of the paper substrate.
8. The flavor release material according to claim 1, wherein: the polymer of the polymer layer is a water-soluble or alcohol-soluble high polymer material with film-forming property.
9. The flavor release material of claim 8, wherein: the molecular weight of the polymer layer is 5-150 ten thousand.
10. The flavor release material of claim 9, wherein: the polymer of the polymer layer is one or more of hydroxypropyl methylcellulose, polyvinyl alcohol, polyvinylpyrrolidone, hydroxypropyl cellulose, methylcellulose and ethyl cellulose.
11. The flavor-releasing material according to any one of claims 1 and 7 to 10, wherein: one or more polymer A layers are compounded on the surface of the polymer layer; the polymer A layer does not contain essence and flavor.
12. The flavor release material of claim 11, wherein: the polymer of polymer a layer and the polymer layer may be the same or different.
13. The flavor release material of claim 12, wherein: the polymer in the polymer A layer is at least one of hydroxypropyl methylcellulose, polyvinyl alcohol, polyvinylpyrrolidone, hydroxypropyl cellulose, methylcellulose and ethyl cellulose.
14. The flavor-releasing material according to any one of claims 1 and 8 to 13, wherein: the total content of the polymers in the flavor-releasing material is not less than 1 wt%.
15. The flavor release material of claim 14, wherein: the total content of the polymer in the flavor sustained-release material is 1-90 wt%.
16. The flavor release material according to claim 1, wherein: the essence and spice is at least one of synthetic spice raw materials, natural spice raw materials, essence base or essence.
17. The flavor release material according to claim 1, wherein: the paper substrate layer and/or the polymer layer can also contain functional additives for at least one of the functions of moisture retention, fragrance substance adsorption enhancement, smoke and aroma supplementation and material physical property adjustment.
18. The flavor release material of claim 17, wherein: the functional additive is a humectant and/or a flavoring adsorbent.
19. The flavor release material of claim 18, wherein: the humectant is at least one of glycerol, propylene glycol and polyethylene glycol.
20. The flavor release material of claim 18, wherein: the flavoring adsorbent is at least one of diatomite, activated carbon, chitosan, cyclodextrin and starch.
21. A flavour release material according to any one of claims 17 to 20, wherein: the total adding amount of the functional additive is not more than 60 wt% of the weight of the fragrance slow-release material.
22. The flavor release material according to claim 1, wherein: the paper substrate layer and/or the polymer layer further comprise a colorant.
23. A method for preparing a flavor releasing material according to any one of claims 1 to 22, wherein: the coating is adopted for preparation.
24. A process for preparing a flavour release material according to claim 23, wherein: coating the solution containing the essence and the spice and the polymer on the paper base material, and drying to obtain the paper base material;
or coating the solution containing the essence and the spice on a paper substrate in advance, drying and then coating the solution containing the polymer to obtain the paper substrate;
or coating the solution containing the essence and the perfume and the polymer on a paper substrate in advance, drying and then coating the solution containing the polymer A.
25. Use of a flavour release material according to any one of claims 1 to 22, or a flavour release material prepared by the preparation method according to claim 23 or 24, characterized in that: it is used for preparing a tobacco product which does not burn when heated.
26. Use of a flavour release material according to claim 25, wherein: it is used for preparing a heating rod for heating a non-combustible tobacco product.
27. Use of a flavour release material according to claim 25, wherein: cutting, mixing with tobacco material, and making into heating rod.
28. Use of a flavour release material according to claim 25, wherein: it is used for preparing a cigarette holder rod of a heating non-combustible tobacco product.
29. Use of a flavour release material according to claim 28, wherein: cutting, folding or curling the cigarette to obtain the cigarette holder rod.
30. A fragrance slow-release heating rod for heating a non-combustible tobacco product is characterized in that: comprises a tobacco material; further comprising the flavor slow-release material of any one of claims 1 to 22 or the flavor slow-release material prepared by the preparation method of claim 23 or 24.
31. The aroma-releasing heating rod for heating a non-combustible tobacco product according to claim 30, wherein: is a unit rod or a multi-component composite rod.
32. A fragrance slow-release cigarette holder rod for heating a non-combustible tobacco product is characterized in that: comprises the flavor slow-release material as described in any one of claims 1 to 22 or the flavor slow-release material prepared by the preparation method as described in claim 23 or 24.
33. The aroma-releasing cigarette rod of a heated non-combustible smoking article of claim 32, wherein: is a unit rod or a multi-component composite rod.
34. A heat non-combustible smoking article, comprising: comprises the aroma slow-release heating rod of any one of claims 30 to 31 and/or comprises the aroma slow-release heating rod of any one of claims 32 to 33.
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| CN201910280896.6A CN111802702B (en) | 2019-04-09 | 2019-04-09 | Flavor slow-release material, heating rod, cigarette holder rod, preparation method of flavor slow-release material and cigarette holder rod, and application of flavor slow-release material and cigarette holder rod in heating of non-combustible tobacco products |
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| CN201910280896.6A CN111802702B (en) | 2019-04-09 | 2019-04-09 | Flavor slow-release material, heating rod, cigarette holder rod, preparation method of flavor slow-release material and cigarette holder rod, and application of flavor slow-release material and cigarette holder rod in heating of non-combustible tobacco products |
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| CN114176253A (en) * | 2021-12-29 | 2022-03-15 | 四川中烟工业有限责任公司 | Device is restrainted in folding receipts in advance of filter rod material |
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