CN105105328A - Brittle solid spice bead for cigarette filter stick and preparation method thereof - Google Patents

Brittle solid spice bead for cigarette filter stick and preparation method thereof Download PDF

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Publication number
CN105105328A
CN105105328A CN201510472854.4A CN201510472854A CN105105328A CN 105105328 A CN105105328 A CN 105105328A CN 201510472854 A CN201510472854 A CN 201510472854A CN 105105328 A CN105105328 A CN 105105328A
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China
Prior art keywords
cigarette filter
pearl
solid spice
loud
filter rod
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CN201510472854.4A
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Chinese (zh)
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CN105105328B (en
Inventor
刘冰
陈义坤
郭国宁
岳海波
刘祥浩
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China Tobacco Hunan Industrial Co Ltd
Huanghelou Science and Technology Park Group Co Ltd
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China Tobacco Hunan Industrial Co Ltd
Huanghelou Science and Technology Park Group Co Ltd
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Publication of CN105105328A publication Critical patent/CN105105328A/en
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Abstract

The invention provides a brittle solid spice bead for a cigarette filter stick. The brittle solid spice bead comprises a spherical soft kernel and a brittle shell, wherein the brittle shell covers the surface of the spherical soft kernel in a lagging cover manner, and raw materials of the spherical soft kernel is prepared from the following ingredients in percentage by mass: 65 to 90 percent of PEG (polyethylene glycol) polymer or a PEG polymer mixture with a molecular weight of 2000 to 6000, 5 to 25 percent of glycerinum and 0.5 to 15 percent of essence, and raw materials of the brittle shell is prepared from the following ingredients in percentage in mass: 3 to 50 percent of natural high polymer material, 1 to 10 percent of plasticizer, and 60 to 90 percent of water. The invention also provides a preparation method of the brittle solid spice bead for the cigarette filter stick. The brittle solid spice bead is not subjected to the limitation of the essence type and characteristics and high in applicability.

Description

A kind of loud and clear solid spice pearl for cigarette filter rod and preparation method thereof
Technical field
The present invention relates to technical field of cigarettes, specifically a kind of loud and clear solid spice pearl for cigarette filter rod and preparation method thereof.
Background technology
At present, most of cigarette manufacturer is by reaching the object of cigarette flavouring to the mode of adding liquid perfumed beads in cigarette filter rod.Chinese patent (Authorization Notice No.: CN102108136B, authorized announcement date: on October 24th, 2012) adopt sodium alginate soln as the glue of perfumed beads shell, by dropping preparation method liquid essence is wrapped in glue and forms capsule, when firmly extruding this perfumed beads, can not only scentetd composition, be also attended by loud and clear sound.But during owing to preparing liquid perfume pearl, high to the surface tension requirements of liquid perfume, must match with the surface tension of glue, otherwise dripping can not become ball, there is significant limitation, therefore need to seek a kind of new perfumed beads preparation method, expand the scope being suitable for essence.
Summary of the invention
For the above-mentioned deficiency of prior art, the invention provides a kind of loud and clear solid spice pearl for cigarette filter rod and preparation method thereof, the restriction of essence classification and character can not be subject to, there is very strong applicability.
The technical solution used in the present invention is as follows:
A kind of loud and clear solid spice pearl for cigarette filter rod, comprise spherical soft core and brittle shell, brittle shell is wrapped in spherical soft core surface by the mode of dressing, the raw material of described spherical soft core is composed as follows according to mass percent: molecular weight is PEG (polyethylene glycol) polymer or its mixture 65%-90% of 2000-6000, glycerine 5%-25%, essence 0.5%-15%, the raw material of described brittle shell is composed as follows according to mass percent: natural macromolecular material 3%-50%, plasticizer 1%-10%, water 60%-90%.
Preferably, described natural macromolecular material is gelatin, Arabic gum or sodium alginate.
Preferably, described plasticizer is glycerine, propane diols or PEG400.
Preferably, described spherical soft nuclear diameter is 0.1-10mm, and the thickness of described brittle shell is 0.01-5mm.
Preferably, mode by dressing between spherical soft core and brittle shell first wraps up one deck waterproof high polymer material, one deck waterproof high polymer material is also wrapped up on brittle shell surface, make solid spice pearl state more stable, described waterproof high polymer material is cellulose derivative (as ethyl cellulose), PVP or polyacrylic resin.
Preferably, described spherical soft nuclear diameter is 1.5mm-4mm.
Preferably, the thickness of described brittle shell is 0.05mm-2mm.
Preferably, for reaching better loud and clear effect, the crushing strength of described spherical soft core is 30pa-700pa.
Preferably, for reaching better loud and clear effect, the crushing strength of described brittle shell is 500pa-1500pa.
For a preparation method for the loud and clear solid spice pearl of cigarette filter rod, comprise the steps:
(1) the first heat fused in the water-bath of 70 DEG C by a certain amount of PEG polymer (molecular weight 2000-6000) or its mixture, and then add essence and glycerine by a certain percentage wherein, wherein each material is composed as follows according to mass percent: PEG polymer (molecular weight 2000-6000) or its mixture 65%-90%, glycerine 5%-25%, essence 0.5%-15%, mix rear standing 2h
(2) utilized by above-mentioned mixed solution automation pill dripping machine to instill condensation cured in atoleine shaping to obtain described spherical soft core, described atoleine temperature is between-4 DEG C-0 DEG C, so that the rapid condensation of drop of instillation is shaping;
(3) natural macromolecular material, plasticizer and water are mixed by following mass percent: natural macromolecular material 3%-50%, plasticizer 1%-10%, water 60%-90%, after stirring, leave standstill 2h, for subsequent use;
(4) using the solution of preparation in step (3) as brittle shell coating solution, adopt coating pan that spherical soft core is carried out dressing, finally obtain product.
Preferably, described spherical soft nuclear diameter is 1.5mm-4mm.
Preferably, the thickness of described brittle shell is 0.05mm-2mm.
Preferably, for reaching better loud and clear effect, the crushing strength of described spherical soft core is 30pa-700pa.
Preferably, for reaching better loud and clear effect, the crushing strength of described brittle shell is 500pa-1500pa.
Preferably, before parcel brittle shell coating solution, first wrap up one deck waterproof high polymer material, final solid spice pearl case surface also wraps up one deck waterproof high polymer material, completely cut off with water and air, make its state more stable, described waterproof high polymer material is cellulose derivative (as ethyl cellulose), PVP or polyacrylic resin class.
By regulating the speed, temperature etc. of pill dripping machine and the parameter such as spray velocity, rotating speed, kettle temperature of coating pan, reach optimum efficiency, this is the routine techniques that those skilled in the art can grasp.
Advantage of the present invention is: (1) existing liquid perfume pearl owing to being subject to capillary restriction in dripping forming process, be only applicable to the use of several limited oil soluble perfume, and the PEG polymeric material that spherical soft core adopts, no matter be water-based essence or oiliness essence, all can be dispersed in wherein, breach the restriction of liquid perfume pearl to essence, range of application is more extensive; (2) adopt traditional art for coating at soft core surface parcel brittle shell material, regulate spherical soft core and the formula of brittle shell and the coating thickness of brittle shell by experiment, obtain applicable intensity, can make its send when crumbing " bang " sound, there is the sound be similar to when liquid perfume pearl is crumbed.
Detailed description of the invention
Below in conjunction with the embodiment in the present invention, be described further, should be appreciated that the specific embodiment described by this part only can be used for explaining the present invention, be not intended to limit the present invention.
Embodiment 1
(1) according to mass percent by PEG polymer (molecular weight 2000) heat fused in the water-bath of 70 DEG C of 75%, and then add 10% Mint Essence and 15% glycerine wherein, mix rear standing 2h.
(2) utilized by above-mentioned mixed solution automation pill dripping machine to instill condensation cured in atoleine shaping to obtain described spherical soft core, the diameter of described soft core is 2mm, and crushing strength is 500pa.
(3) according to mass percent, 5% sodium alginate, 5% propane diols and 90% water are mixed, after stirring, leave standstill 2h, for subsequent use.
(4) coating pan is first adopted ethyl cellulose alcoholic solution to be wrapped in soft core surface, with isolated moisture, and then solution in step (3) is wrapped in spherical soft core surface and forms brittle shell, prepare solid spice pearl, described solid spice pearl brittle shell thickness is 1mm, and crushing strength is 1000Pa.
Embodiment 2
(1) by the PEG polymer (molecular weight 2000) of 55% and PEG polymer (molecular weight 6000) heat fused in the water-bath of 70 DEG C of 30%, and then add 5% Green tea essence and 10% glycerine wherein, mix rear standing 2h.
(2) utilized by above-mentioned mixed solution automation pill dripping machine to instill condensation cured in atoleine shaping to obtain described spherical soft core, the diameter of described soft core is 2.5mm, and crushing strength is 650pa.
(3) 3% gelatin, 9% glycerine and 88% water are mixed by a certain percentage, after stirring, leave standstill 2h, for subsequent use.
(4) coating pan is first adopted ethyl cellulose alcoholic solution to be wrapped in soft core surface, with isolated moisture, and then solution in step (3) is wrapped in spherical soft core surface and forms brittle shell, prepare solid spice pearl, finally wrap up one deck ethyl cellulose at solid spice pearl outer surface again, prepare final products, described solid spice pearl brittle shell thickness is 1.5mm, and crushing strength is 1200Pa.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, anyly belongs to those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.

Claims (10)

1. the loud and clear solid spice pearl for cigarette filter rod, it is characterized in that: comprise spherical soft core and brittle shell, brittle shell is wrapped in spherical soft core surface by the mode of dressing, the raw material of described spherical soft core is composed as follows according to mass percent: molecular weight is polyethylene glycol polymer or its mixture 65%-90% of 2000-6000, glycerine 5%-25%, essence 0.5%-15%, the raw material of described brittle shell is composed as follows according to mass percent: natural macromolecular material 3%-50%, plasticizer 1%-10%, water 60%-90%.
2., as claimed in claim 1 for the loud and clear solid spice pearl of cigarette filter rod, it is characterized in that: described natural macromolecular material is gelatin, Arabic gum or sodium alginate.
3., as claimed in claim 1 for the loud and clear solid spice pearl of cigarette filter rod, it is characterized in that: described plasticizer is glycerine, propane diols or PEG400.
4. as claimed in claim 1 for the loud and clear solid spice pearl of cigarette filter rod, it is characterized in that: described spherical soft nuclear diameter is 0.1-10mm, the thickness of described brittle shell is 0.01-5mm.
5., as claimed in claim 1 for the loud and clear solid spice pearl of cigarette filter rod, it is characterized in that: wrap up one deck waterproof high polymer material by the mode of dressing between spherical soft core and brittle shell, one deck waterproof high polymer material is also wrapped up on brittle shell surface.
6., as claimed in claim 5 for the loud and clear solid spice pearl of cigarette filter rod, it is characterized in that: described waterproof high polymer material is cellulose derivative, PVP or polyacrylic resin.
7., for a preparation method for the loud and clear solid spice pearl of cigarette filter rod, it is characterized in that comprising the steps:
(1) by a certain amount of molecular weight be first polyethylene glycol polymer or its mixture heat fused in the water-bath of 70 DEG C of 2000-6000, and then add essence and glycerine by a certain percentage wherein, wherein each material is composed as follows according to mass percent: molecular weight is polyethylene glycol polymer or its mixture 65%-90% of 2000-6000, glycerine 5%-25%, essence 0.5%-15%, mix rear standing 2h
(2) utilized by above-mentioned mixed solution automation pill dripping machine to instill condensation cured in atoleine shaping to obtain described spherical soft core, described atoleine temperature is between-4 DEG C-0 DEG C, so that the rapid condensation of drop of instillation is shaping;
(3) natural macromolecular material, plasticizer and water are mixed by following mass percent: natural macromolecular material 3%-50%, plasticizer 1%-10%, water 60%-90%, after stirring, leave standstill 2h, for subsequent use;
(4) using the solution of preparation in step (3) as brittle shell coating solution, adopt coating pan that spherical soft core is carried out dressing, finally obtain product.
8., as claimed in claim 7 for the preparation method of the loud and clear solid spice pearl of cigarette filter rod, it is characterized in that: described natural macromolecular material is gelatin, Arabic gum or sodium alginate.
9., as claimed in claim 7 for the preparation method of the loud and clear solid spice pearl of cigarette filter rod, it is characterized in that: described plasticizer is glycerine, propane diols or PEG400.
10., as claimed in claim 7 for the preparation method of the loud and clear solid spice pearl of cigarette filter rod, it is characterized in that: described spherical soft nuclear diameter is 0.1-10mm, the thickness of described brittle shell is 0.01-5mm.
CN201510472854.4A 2015-08-05 2015-08-05 A kind of loud and clear solid spice pearl and preparation method thereof for cigarette filter rod Active CN105105328B (en)

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105495686A (en) * 2016-01-27 2016-04-20 云南芯韵科技开发有限公司 Moisture-proof and embrittling treatment method of cigarette capsules and product obtained by treatment method
CN106220905A (en) * 2016-08-30 2016-12-14 湖北中烟工业有限责任公司 A kind of drop pill lapping improving cigarette drop pill stability and preparation method thereof
CN106235403A (en) * 2016-08-31 2016-12-21 云南巴菰生物科技有限公司 A kind of slow-release fragrance filter stick and preparation method thereof
CN107594618A (en) * 2017-11-08 2018-01-19 湖北中烟工业有限责任公司 Sustained release pellet based on natural perfume material Ultramicro-powder and preparation method thereof
CN108835712A (en) * 2018-03-21 2018-11-20 云南中烟工业有限责任公司 The complex additive and its preparation method and application of crotonaldehyde release amount in a kind of reduction flue gas
CN109846083A (en) * 2019-02-22 2019-06-07 广西中烟工业有限责任公司 A kind of cigarette of appearance setting waterproof wax coat is with quick-fried pearl and preparation method thereof
CN110419775A (en) * 2019-07-10 2019-11-08 云南巴菰生物科技有限公司 A kind of quick-fried pearl of anti-seep water and preparation method thereof
CN110680010A (en) * 2019-10-31 2020-01-14 湖北中烟工业有限责任公司 Magnolia bark gel bead for cigarettes and preparation method thereof
CN110754688A (en) * 2019-11-11 2020-02-07 云南恩典科技产业发展有限公司 Fragrant bead capable of pinching and breaking hollow large-particle filter stick and preparation method thereof
WO2021143150A1 (en) * 2020-01-13 2021-07-22 云南南中科技有限公司 Explosion bead for flavored cigarettes and preparation method therefor
CN114938861A (en) * 2022-06-30 2022-08-26 安徽中烟工业有限责任公司 Traditional cigarette flavoring particle coating material and application thereof

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3623489A (en) * 1969-11-18 1971-11-30 Int Flavors & Fragrances Inc Tobacco smoking article
US20040261807A1 (en) * 2003-06-23 2004-12-30 Dube Michael Francis Filtered cigarette incorporating a breakable capsule
CN101128130A (en) * 2005-02-24 2008-02-20 菲利普莫里斯生产公司 Smoking article with tobacco beads
CN101203213A (en) * 2005-06-21 2008-06-18 玛奈·菲尔萨公司 Gellan seamless breakable capsule and process for manufacturing thereof
CN102108136A (en) * 2009-12-25 2011-06-29 湖北中烟工业有限责任公司 Tobacco additive dropping pill wrapping material, dropping pill wrapped thereby and application of dropping pill
CN102140387A (en) * 2011-01-20 2011-08-03 深圳市如烟生物科技有限公司 Method for preparing microcapsule essence for cigarette
WO2012156694A1 (en) * 2011-05-13 2012-11-22 British American Tobacco (Investments) Limited Additive release component
CN102977412A (en) * 2011-09-02 2013-03-20 湖北工业大学 Finger extrusion-frangible soft capsule and its preparation method and use
CN103451019A (en) * 2013-09-04 2013-12-18 湖北中烟工业有限责任公司 Microcapsule essence perfume for cigarettes as well as preparation method of microcapsule essence perfume
CN104812256A (en) * 2013-04-15 2015-07-29 三生医药株式会社 Disintegrable capsule, manufacturing method for same, and smoking equipment containing disintegrable capsule

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3623489A (en) * 1969-11-18 1971-11-30 Int Flavors & Fragrances Inc Tobacco smoking article
US20040261807A1 (en) * 2003-06-23 2004-12-30 Dube Michael Francis Filtered cigarette incorporating a breakable capsule
CN101128130A (en) * 2005-02-24 2008-02-20 菲利普莫里斯生产公司 Smoking article with tobacco beads
CN101203213A (en) * 2005-06-21 2008-06-18 玛奈·菲尔萨公司 Gellan seamless breakable capsule and process for manufacturing thereof
CN102108136A (en) * 2009-12-25 2011-06-29 湖北中烟工业有限责任公司 Tobacco additive dropping pill wrapping material, dropping pill wrapped thereby and application of dropping pill
CN102140387A (en) * 2011-01-20 2011-08-03 深圳市如烟生物科技有限公司 Method for preparing microcapsule essence for cigarette
WO2012156694A1 (en) * 2011-05-13 2012-11-22 British American Tobacco (Investments) Limited Additive release component
CN102977412A (en) * 2011-09-02 2013-03-20 湖北工业大学 Finger extrusion-frangible soft capsule and its preparation method and use
CN104812256A (en) * 2013-04-15 2015-07-29 三生医药株式会社 Disintegrable capsule, manufacturing method for same, and smoking equipment containing disintegrable capsule
CN103451019A (en) * 2013-09-04 2013-12-18 湖北中烟工业有限责任公司 Microcapsule essence perfume for cigarettes as well as preparation method of microcapsule essence perfume

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105495686A (en) * 2016-01-27 2016-04-20 云南芯韵科技开发有限公司 Moisture-proof and embrittling treatment method of cigarette capsules and product obtained by treatment method
CN106220905A (en) * 2016-08-30 2016-12-14 湖北中烟工业有限责任公司 A kind of drop pill lapping improving cigarette drop pill stability and preparation method thereof
CN106220905B (en) * 2016-08-30 2018-05-25 湖北中烟工业有限责任公司 A kind of raising cigarette dripping pill lapping of dripping pill stability and preparation method thereof
CN106235403A (en) * 2016-08-31 2016-12-21 云南巴菰生物科技有限公司 A kind of slow-release fragrance filter stick and preparation method thereof
CN107594618A (en) * 2017-11-08 2018-01-19 湖北中烟工业有限责任公司 Sustained release pellet based on natural perfume material Ultramicro-powder and preparation method thereof
CN108835712A (en) * 2018-03-21 2018-11-20 云南中烟工业有限责任公司 The complex additive and its preparation method and application of crotonaldehyde release amount in a kind of reduction flue gas
CN109846083A (en) * 2019-02-22 2019-06-07 广西中烟工业有限责任公司 A kind of cigarette of appearance setting waterproof wax coat is with quick-fried pearl and preparation method thereof
CN110419775A (en) * 2019-07-10 2019-11-08 云南巴菰生物科技有限公司 A kind of quick-fried pearl of anti-seep water and preparation method thereof
CN110680010A (en) * 2019-10-31 2020-01-14 湖北中烟工业有限责任公司 Magnolia bark gel bead for cigarettes and preparation method thereof
CN110754688A (en) * 2019-11-11 2020-02-07 云南恩典科技产业发展有限公司 Fragrant bead capable of pinching and breaking hollow large-particle filter stick and preparation method thereof
CN110754688B (en) * 2019-11-11 2021-06-25 云南恩典科技产业发展有限公司 Fragrant bead capable of pinching and breaking hollow large-particle filter stick and preparation method thereof
WO2021143150A1 (en) * 2020-01-13 2021-07-22 云南南中科技有限公司 Explosion bead for flavored cigarettes and preparation method therefor
CN114938861A (en) * 2022-06-30 2022-08-26 安徽中烟工业有限责任公司 Traditional cigarette flavoring particle coating material and application thereof

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