CN114431517A - Cigarette special-shaped filter stick and cigarette product - Google Patents
Cigarette special-shaped filter stick and cigarette product Download PDFInfo
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- CN114431517A CN114431517A CN202210191413.7A CN202210191413A CN114431517A CN 114431517 A CN114431517 A CN 114431517A CN 202210191413 A CN202210191413 A CN 202210191413A CN 114431517 A CN114431517 A CN 114431517A
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- Prior art keywords
- filter stick
- cigarette
- special
- protective film
- resin
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- 235000019504 cigarettes Nutrition 0.000 title claims abstract description 81
- 238000000016 photochemical curing Methods 0.000 claims abstract description 46
- 230000001681 protective effect Effects 0.000 claims abstract description 40
- 239000011347 resin Substances 0.000 claims description 26
- 229920005989 resin Polymers 0.000 claims description 26
- 238000001723 curing Methods 0.000 claims description 13
- 239000004814 polyurethane Substances 0.000 claims description 7
- 229920002635 polyurethane Polymers 0.000 claims description 7
- BVQVLAIMHVDZEL-UHFFFAOYSA-N 1-phenyl-1,2-propanedione Chemical compound CC(=O)C(=O)C1=CC=CC=C1 BVQVLAIMHVDZEL-UHFFFAOYSA-N 0.000 claims description 6
- 125000001931 aliphatic group Chemical group 0.000 claims description 5
- VNQXSTWCDUXYEZ-UHFFFAOYSA-N 1,7,7-trimethylbicyclo[2.2.1]heptane-2,3-dione Chemical compound C1CC2(C)C(=O)C(=O)C1C2(C)C VNQXSTWCDUXYEZ-UHFFFAOYSA-N 0.000 claims description 4
- 229930006711 bornane-2,3-dione Natural products 0.000 claims description 4
- 230000000391 smoking effect Effects 0.000 claims description 4
- NQSMEZJWJJVYOI-UHFFFAOYSA-N Methyl 2-benzoylbenzoate Chemical compound COC(=O)C1=CC=CC=C1C(=O)C1=CC=CC=C1 NQSMEZJWJJVYOI-UHFFFAOYSA-N 0.000 claims description 3
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 claims description 3
- 239000012965 benzophenone Substances 0.000 claims description 3
- 239000004925 Acrylic resin Substances 0.000 claims 2
- 229920000178 Acrylic resin Polymers 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 6
- 238000007789 sealing Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 3
- 239000000243 solution Substances 0.000 description 45
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 24
- 230000000052 comparative effect Effects 0.000 description 13
- 238000005516 engineering process Methods 0.000 description 12
- 241000208125 Nicotiana Species 0.000 description 10
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 10
- 239000011259 mixed solution Substances 0.000 description 10
- 238000009423 ventilation Methods 0.000 description 10
- 238000011156 evaluation Methods 0.000 description 7
- 230000001678 irradiating effect Effects 0.000 description 7
- 238000012545 processing Methods 0.000 description 7
- 239000002904 solvent Substances 0.000 description 7
- 239000000853 adhesive Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 6
- 238000005096 rolling process Methods 0.000 description 6
- 239000000779 smoke Substances 0.000 description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 5
- 238000013461 design Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 238000005507 spraying Methods 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 4
- 238000004132 cross linking Methods 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 230000001953 sensory effect Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 238000006116 polymerization reaction Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 238000010894 electron beam technology Methods 0.000 description 2
- 238000012854 evaluation process Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- KCTAWXVAICEBSD-UHFFFAOYSA-N prop-2-enoyloxy prop-2-eneperoxoate Chemical compound C=CC(=O)OOOC(=O)C=C KCTAWXVAICEBSD-UHFFFAOYSA-N 0.000 description 2
- 238000003847 radiation curing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 235000019505 tobacco product Nutrition 0.000 description 2
- 239000012855 volatile organic compound Substances 0.000 description 2
- SNICXCGAKADSCV-JTQLQIEISA-N (-)-Nicotine Chemical compound CN1CCC[C@H]1C1=CC=CN=C1 SNICXCGAKADSCV-JTQLQIEISA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229920006221 acetate fiber Polymers 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011218 binary composite Substances 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- UHESRSKEBRADOO-UHFFFAOYSA-N ethyl carbamate;prop-2-enoic acid Chemical compound OC(=O)C=C.CCOC(N)=O UHESRSKEBRADOO-UHFFFAOYSA-N 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229960002715 nicotine Drugs 0.000 description 1
- SNICXCGAKADSCV-UHFFFAOYSA-N nicotine Natural products CN1CCCC1C1=CC=CN=C1 SNICXCGAKADSCV-UHFFFAOYSA-N 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 238000000643 oven drying Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 239000003504 photosensitizing agent Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 235000013599 spices Nutrition 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000001029 thermal curing Methods 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
Classifications
-
- 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
- A24D1/00—Cigars; Cigarettes
- A24D1/04—Cigars; Cigarettes with mouthpieces or filter-tips
- A24D1/042—Cigars; Cigarettes with mouthpieces or filter-tips with mouthpieces
-
- 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
- A24D3/04—Tobacco smoke filters characterised by their shape or structure
-
- 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
Abstract
The invention belongs to the technical field of cigarette filter sticks, and particularly relates to a cigarette special-shaped filter stick and a cigarette product. The cigarette special-shaped filter stick comprises a filter stick body and a protective film arranged on the surface of the filter stick body; the protective film is formed by photocuring a photocuring solution coated on the filter stick body. The protective film is formed on the surface of the filter stick body, and the protective film is formed by photocuring the photocuring solution coated on the filter stick body, so that the surface of the special-shaped filter stick can be uniformly coated, the sealing effect is achieved in the suction process, and the air leakage phenomenon is avoided.
Description
Technical Field
The invention belongs to the technical field of cigarette filter sticks, and particularly relates to a cigarette special-shaped filter stick and a cigarette product.
Background
Cigarette is one kind of tobacco product. The preparation method comprises oven drying tobacco, shredding, and rolling into cylindrical strip with length of about 120mm and diameter of 10 mm. When smoking, one end is ignited, and then the other end is smoked hoots to generate smoke. The cigarette filter stick is the upper part of a cigarette, is a tool specially designed for smokers, and can reduce smoke and tar at the inlet during smoking and suspended particles generated during combustion. The three main functions of the cigarette filter stick include direct interception, inertial compaction and diffusion precipitation.
Along with the development of filter stick technology, more and more special-shaped filter sticks appear, for example, Chinese patent with application number CN 200920041446.3 discloses a special-shaped filter stick, which comprises a filter stick body, wherein a hollow structure with a triangular cross section is arranged in the middle of one end of the filter stick body, which is far away from a cigarette stick, so that the special-shaped filter stick has unique appearance and can play an anti-counterfeiting role through the change of geometric shapes and the like. The Chinese patent with the application number of CN201520395328.8 discloses a hollow special-shaped flavoring filter stick, which comprises a flavoring filter stick and a special-shaped filter stick, wherein the flavoring filter stick is a cylindrical solid flavoring filter stick prepared by adding essence spice into a conventional filter stick, and a hollow cavity is hollowed in the center of the special-shaped filter stick. Chinese patent with application number CN 201020186353.2 discloses a hollow special-shaped filter stick, which comprises a basic stick and a layer of wrap paper wrapped on the outer layer of the basic stick, the hollow special-shaped filter stick is a binary composite filter stick, namely the basic stick is a solid basic stick and a hollow basic stick which are jointed at intervals, a cavity is arranged in the hollow basic stick, the axis of the cavity coincides with the axis of the hollow special-shaped filter stick, and the cavity is positioned in the middle of the hollow basic stick.
The special-shaped filter rod can meet the specific requirements of different people on cigarettes, however, the special-shaped filter rods prepared by the prior art are different in shape and cannot be directly wrapped by wrapping paper or wrapped loosely, so that the filter rods are poor in sealing performance, obvious in air leakage phenomenon and incapable of being effectively sucked.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a cigarette special-shaped filter stick and a cigarette product. By improving the special-shaped filter stick, the problem of air leakage caused by the fact that the surface cannot be uniformly sealed is solved, and the suction quality is improved.
In order to solve the problem of air leakage of the filter stick, the inventor tries to adhere a protective film on the surface of the filter stick body directly, but the improvement has little effect. In view of the above, the inventor creatively realizes that the surface of the filter stick body is coated with a layer of light curing solution to form a protective film under the condition of light irradiation, so that the filter stick body can be effectively sealed, and the invention is created.
In order to achieve the purpose, the invention adopts the following technical scheme:
on one hand, the invention provides a cigarette special-shaped filter stick, which comprises a filter stick body and a protective film arranged on the surface of the filter stick body; the protective film is formed by photocuring the photocuring solution coated on the filter stick body.
The photo-curing technique (UV) is a photo-processing technique in which monomers, oligomers or polymer matrices are polymerized at high speed to a solid state by irradiation with ultraviolet light of a certain wavelength, and the photo-curing reaction is essentially photo-initiated polymerization and cross-linking reaction. Ultraviolet curing is a type of radiation curing, which is a chemical process of irradiating a coating with electromagnetic radiation, such as Ultraviolet (UV) or Electron Beam (EB), to produce radiation polymerization, radiation crosslinking, radiation grafting, and the like, to rapidly convert low molecular weight substances into high molecular weight products, the curing is directly performed on a substrate which is not heated, no solvent or a very small amount of solvent is contained in the system, and a liquid film is almost 100% cured after irradiation, so that the emission of VOC (volatile organic compounds) is very low. This application is through coating the photocuring solution on the surface of filter rod body, and solution can be attached to each position on filter rod surface to satisfy the heterotypic filter rod of different shapes, it forms the one deck complete cladding protective film on filter rod surface after photocuring, forms sealedly to the filter rod, and then avoids the gas leakage phenomenon of suction in-process.
The filter stick body is a special-shaped filter stick commonly used in the field, such as special-shaped filter sticks or hollow special-shaped filter sticks with various shapes such as hollow structures mentioned in the background art, or special-shaped filter sticks with various shapes sold in the market.
In the cigarette processing technology, the diameter of a filter stick is usually 7-10mm, if the thickness of the protective film is too small, an effective sealing effect cannot be achieved, and if the thickness is too large, the light-curing raw materials are wasted, the diameter of the prepared filter stick is too large, and the prepared filter stick is not matched with cigarettes in the subsequent tipping technology. Therefore, the invention has the following excellent technical scheme: the thickness of the protective film is 0.1-2.0 mm, so that the diameter of the filter stick is not influenced, and the weight of the cigarette is basically unchanged.
The invention has the following excellent technical scheme: the photo-curing solution includes a photo-curing resin and a photoinitiator. The photo-curing resin is also called photosensitive resin, is a photosensitive resin with relatively low molecular mass and composed of resin monomers and prepolymers, has a reactive group capable of carrying out photo-curing, such as unsaturated double bonds or epoxy groups, and can rapidly generate physical and chemical changes in a short time after being irradiated by light, and further generate an insoluble coating through crosslinking and curing. The photoinitiator is also called photosensitizer or photocuring agent, and is a compound which can absorb energy with certain wavelength in an ultraviolet region (250-420 nm) or a visible light region (400-800 nm) to generate free radicals, cations and the like so as to initiate the polymerization, crosslinking and curing of monomers. The light-cured solution formed by mixing the photoinitiator and the light-cured resin is coated on the surface of the filter stick body, and the photoinitiator can initiate the light-cured resin to be crosslinked and cured to form a layer of protective film under the ultraviolet illumination condition, so that the surface of the filter stick is sealed, and the phenomenon of air leakage is avoided.
The use amount of the photoinitiator is too large, the hardness of the coating and the adhesive force on the filter stick body can be reduced, and in order to ensure the adhesive force and the hardness of the protective film on the surface of the filter stick, the invention adopts a better technical scheme that: the mass ratio of the photocuring resin to the photoinitiator is (49-51): (0.14-0.16). For example, 49:0.14, 49:0.15, 49:0.16, 50:0.14, 50:0.15, 50:0.16, 51:0.14, 51:0.15, 51:0.16, etc. may be mentioned.
The light-cured resin includes bisphenol A epoxy acrylate and urethane acrylate. The bisphenol A type epoxy acrylate has toxicity and is not suitable for being added into cigarette filter sticks, and the polyurethane acrylate has the advantages of no toxicity, good flexibility, wear resistance, good transparency, good weather resistance and the like, and the invention has the better technical scheme that: the light-cured resin is polyurethane acrylate, more preferably aliphatic polyurethane acrylate without benzene rings, can not be oxidized under the irradiation of ultraviolet light, and has stable properties.
The invention has the following excellent technical scheme: the aliphatic polyurethane acrylate is one or more of UVU6906 resin, UVU6205 resin, UVU6250 resin and UVU6305 resin. The alkyl chain contained in the aliphatic polyurethane acrylate has a good hydrophobic effect, so that the formed protective film is good in hydrophobicity, the adhesive force of the film on the filter stick body is prevented from being influenced by factors such as excessive air humidity, the stability of the filter stick is good, the filter stick cannot be peeled off due to external environmental factors, and the sealing performance of the filter stick is also guaranteed.
The invention has the following excellent technical scheme: the photoinitiator is one or more of camphorquinone, 1-phenyl-1, 2-propanedione, methyl o-benzoylbenzoate and benzophenone. The photoinitiators have high absorptivity to ultraviolet light, can ensure that the photoinitiators can be quickly changed into free radicals under the irradiation of the ultraviolet light, improve the photocuring rate, and are nontoxic and harmless to human bodies.
Different from the traditional thermal curing, the ultraviolet curing does not need high-temperature heating, and belongs to the field of radiation curing. The ultraviolet curing speed is high, the instant curing can be realized, and the excellent performance can be obtained. The ultraviolet light curing lamp comprises two types of ultraviolet light sources, namely a high-pressure mercury lamp and a UV-LED cold light source. Compared with the traditional high-pressure mercury lamp, the light emitted by the UV-LED lamp does not contain heat, the surface temperature of the ultraviolet lamp is constant, the attenuation of light intensity is constant, and the service life is long. The invention has the following excellent technical scheme: the photocuring was carried out using a UV-LED lamp.
The hardness of the coating film is continuously enhanced along with the prolonging of the illumination time, but the hardness is not increased any more but the adhesive force is reduced if the radiation time is too long, and the invention has the better technical proposal that: the irradiation time of the UV-LED lamp is 3-6 s.
On the other hand, the application also provides a cigarette product which comprises the cigarette special-shaped filter stick.
Compared with the prior art, the invention has the following beneficial effects:
1. this application is through forming the protection film on filter rod body surface, because this protection film is formed by the photocuring of the photocuring solution of coating at filter rod body, can form cladding uniformly to heterotypic filter rod surface to play sealed effect in the suction process, avoid gas leakage phenomenon.
2. The application uses the photocuring film forming technology to not only uniformly coat the irregular filter rods with different shapes and solve the problem that the surface can not be uniformly sealed, but also can be obtained only by irradiating the filter rods for several seconds under ultraviolet light, and the film forming process is simple, the film forming speed is high, and the actual production efficiency is not influenced.
Detailed Description
The present invention will be described in further detail with reference to preferred embodiments, which are not intended to limit the scope of the present invention.
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.
It should be noted that the filter rod body used in the embodiment of the present application is an integrated profile filter rod manufactured by cigarette material factories in Hubei China.
Example 1
A cigarette abnormal-shaped filter stick comprises a filter stick body and a protective film arranged on the surface of the filter stick body; the protective film is formed by photocuring the photocuring solution coated on the filter stick body. The preparation method specifically comprises the following steps:
(1) 49g of UVU6906 resin was weighed out and dissolved in 34g of absolute ethanol, and stirred for 10 minutes on a magnetic stirrer (rotation speed 550 r/min) to obtain solution A.
(2) 0.16 g of camphorquinone was weighed out and dissolved in 14g of absolute ethanol, and stirred for 14 minutes on a magnetic stirrer (rotation speed 550 r/min) to obtain a solution B.
(3) Adding the solution B into the solution A, and stirring for 14 minutes at the rotation speed of 550r/min to fully mix to obtain a mixed solution; then the mixed solution is filtered by a 80-mesh filter screen to obtain the photocuring solution.
(4) And uniformly spraying the obtained photocuring solution on the integrated special-shaped filter stick, standing for 20 minutes, and irradiating for 6 seconds by using a UV-LED lamp after the ethanol solvent is volatilized to obtain a finished product of the special-shaped filter stick with a protective film with the thickness of 0.1mm on the surface.
A cigarette product is prepared by firstly perforating the special-shaped filter stick prepared by the embodiment by using a JK250PS online cigarette laser perforating device produced by Nanjing Ruichi electronic engineering industry Co., Ltd (the perforation design standard is two rows of 15 holes, each row has a distance of 1.3mm, and the nearest distance between a hole belt and a mouth end is 11.1 mm); and then connecting the punched special-shaped filter stick with the tobacco shred sections by adopting a rolling and connecting processing technology known by the technical personnel in the field to obtain the cigarette.
Example 2
A cigarette abnormal-shaped filter stick comprises a filter stick body and a protective film arranged on the surface of the filter stick body; the protective film is formed by photocuring the photocuring solution coated on the filter stick body. The preparation method specifically comprises the following steps:
(1) 51g of UVU6205 resin was weighed out and dissolved in 35g of absolute ethanol, and stirred for 15 minutes on a magnetic stirrer (rotation speed 600 r/min) to obtain solution A.
(2) 0.14g of camphorquinone was weighed out and dissolved in 15g of absolute ethanol, and stirred for 14 minutes on a magnetic stirrer (rotation speed 550 r/min) to obtain a solution B.
(3) Adding the solution B into the solution A, and stirring for 15 minutes at the rotation speed of 550r/min to fully mix to obtain a mixed solution; then the mixed solution is filtered by a 80-mesh filter screen to obtain the photocuring solution.
(4) And uniformly spraying the obtained photocuring solution on the integrated special-shaped filter stick, standing for 25 minutes, and irradiating for 3 seconds by using a UV-LED lamp after the ethanol solvent is volatilized to obtain a finished special-shaped filter stick product with a protective film with the thickness of 2mm on the surface.
A cigarette product is prepared by firstly perforating the special-shaped filter stick prepared by the embodiment by using a JK250PS online cigarette laser perforating device produced by Nanjing Ruichi electronic engineering industry Co., Ltd (the perforation design standard is two rows of 15 holes, each row has a distance of 1.3mm, and the nearest distance between a hole belt and a mouth end is 11.1 mm); and then connecting the punched special-shaped filter stick with the tobacco shred sections by adopting a rolling and connecting processing technology known by the technical personnel in the field to obtain the cigarette.
Example 3
A cigarette abnormal-shaped filter stick comprises a filter stick body and a protective film arranged on the surface of the filter stick body; the protective film is formed by photocuring the photocuring solution coated on the filter stick body. The preparation method specifically comprises the following steps:
(1) 50g of UVU6250 resin was weighed out and dissolved in 36g of absolute ethanol, and stirred for 20 minutes on a magnetic stirrer (rotation speed 600 r/min) to obtain solution A.
(2) 0.15g of 1-phenyl-1, 2-propanedione was weighed out and dissolved in 16g of absolute ethanol, and stirred for 16 minutes on a magnetic stirrer (rotation speed 550 r/min) to obtain a solution B.
(3) Adding the solution B into the solution A, and stirring for 15 minutes at the rotating speed of 600r/min to fully mix to obtain a mixed solution; then the mixed solution is filtered by a 80-mesh filter screen to obtain the photocuring solution.
(4) And uniformly spraying the obtained photocuring solution on the integrated special-shaped filter stick, standing for 30 minutes, and irradiating for 5 seconds by using a UV-LED lamp after the ethanol solvent is volatilized to obtain a finished product of the special-shaped filter stick with the surface provided with a protective film with the thickness of 1 mm.
A cigarette product is prepared by firstly perforating the special-shaped filter stick prepared by the embodiment by using a JK250PS online cigarette laser perforating device produced by Nanjing Ruichi electronic engineering industry Co., Ltd (the perforation design standard is two rows of 15 holes, each row has a distance of 1.3mm, and the nearest distance between a hole belt and a mouth end is 11.1 mm); and then connecting the punched special-shaped filter stick with the tobacco shred sections by adopting a rolling and connecting processing technology known by the technical personnel in the field to obtain the cigarette.
Example 4
A cigarette abnormal-shaped filter stick comprises a filter stick body and a protective film arranged on the surface of the filter stick body; the protective film is formed by photocuring a photocuring solution coated on the filter stick body. The preparation method specifically comprises the following steps:
(1) 49.5g of UVU6305 resin was weighed out and dissolved in 36g of absolute ethanol, and stirred for 20 minutes on a magnetic stirrer (rotation speed 600 r/min) to obtain solution A.
(2) 0.155g of methyl o-benzoylbenzoate was weighed out and dissolved in 16g of absolute ethanol, and stirred for 16 minutes on a magnetic stirrer (rotation speed 550 r/min) to obtain a solution B.
(3) Adding the solution B into the solution A, and stirring for 15 minutes at the rotating speed of 600r/min to fully mix to obtain a mixed solution; then the mixed solution is filtered by a 80-mesh filter screen to obtain the photocuring solution.
(4) And uniformly spraying the obtained photocuring solution on the integrated special-shaped filter stick, standing for 30 minutes, and irradiating for 4 seconds by using a UV-LED lamp after the ethanol solvent is volatilized to obtain a finished product of the special-shaped filter stick with a protective film with the thickness of 0.5mm on the surface.
A cigarette product is prepared by firstly perforating the special-shaped filter stick prepared by the embodiment by using a JK250PS online cigarette laser perforating device produced by Nanjing Ruichi electronic engineering industry Co., Ltd (the perforation design standard is two rows of 15 holes, each row has a distance of 1.3mm, and the nearest distance between a hole belt and a mouth end is 11.1 mm); and then connecting the perforated special-shaped filter stick with the tobacco shred sections by adopting a rolling and connecting processing technology known by a person skilled in the art to obtain the cigarette.
Example 5
A cigarette abnormal-shaped filter stick comprises a filter stick body and a protective film arranged on the surface of the filter stick body; the protective film is formed by photocuring the photocuring solution coated on the filter stick body. The preparation method specifically comprises the following steps:
(1) 50.5g of UVU6205 resin was weighed out and dissolved in 40g of absolute ethanol, and stirred for 15 minutes on a magnetic stirrer (rotation speed 600 r/min) to obtain solution A.
(2) 0.146g of benzophenone was weighed out and dissolved in 15g of absolute ethanol, and stirred for 14 minutes on a magnetic stirrer (rotation speed 550 r/min) to obtain a solution B.
(3) Adding the solution B into the solution A, and stirring for 15 minutes at the rotation speed of 550r/min to fully mix to obtain a mixed solution; then the mixed solution is filtered by a 80-mesh filter screen to obtain the photocuring solution.
(4) And uniformly spraying the obtained photocuring solution on the integrated special-shaped filter stick, standing for 25 minutes, and irradiating for 6 seconds by using a UV-LED lamp after the ethanol solvent is volatilized to obtain a finished product of the special-shaped filter stick with the surface provided with a protective film with the thickness of 1.5 mm.
A cigarette product is prepared by firstly using a JK250PS online cigarette laser perforating device produced by Nanjing Ruichi electronic technology engineering Limited company to perforate the special-shaped filter stick prepared by the embodiment (the perforating design standard is two rows of holes, each row is 15, the distance between each row is 1.3mm, and the nearest distance between a hole belt and a mouth end is 11.1 mm); and then connecting the perforated special-shaped filter stick with the tobacco shred sections by adopting a rolling and connecting processing technology known by a person skilled in the art to obtain the cigarette.
Comparative example 1
Different from the embodiment 1, the ethanol solution is sprayed on the surface of the integrated special-shaped filter stick, and the special-shaped filter stick is connected with the tobacco shred sections after the ethanol solution is volatilized, so that the cigarette product is obtained.
Comparative example 2
Different from the embodiment 1, a layer of protective film is adhered to the surface of the integrated special-shaped filter stick by using an adhesive, and then the special-shaped filter stick is connected with the tobacco shred sections to obtain a cigarette product.
Comparative example 3
The common acetate fiber filter stick wrapped with the plug wrap paper is perforated by the same method as in example 1, and then connected with tobacco shred segments to obtain a cigarette product.
Evaluation of
(1) Suction resistance and ventilation rate
The evaluation process comprises the following steps: cigarettes prepared by the embodiment and the comparative example are balanced for 48 hours in a constant-temperature and constant-humidity box with the temperature of 22 +/-1 ℃ and the relative humidity of 60 +/-3%. GB/T22838.5-2009 part 5 of determination of physical properties of cigarettes and filter sticks: carrying out a resistance-draw test on the cigarette resistance-draw and the filter rod pressure drop; according to GB/T228315-2009 part 15 of determination of physical properties of cigarettes and filter sticks: the determination definition and measurement principle of cigarette ventilation measure the total ventilation rate of the filter stick and the cigarette. The measurement results are shown in table 1.
TABLE 1 suction resistance and Ventilation Rate for different cigarette samples
Evaluation results were as follows: the cigarette resistance is one of important evaluation indexes of the physical quality of cigarette products, and the larger the resistance is, the better the cigarette tightness is; the ventilation rate reflects the air permeability of the cigarette and can dilute harmful nicotine, but if the ventilation rate is larger than a normal value, the phenomenon that the cigarette leaks air is reflected.
By taking various indexes of the cigarette prepared by the common conventional cigarette filter stick in the comparative example 3 as standards, as can be seen from the table 1, compared with the comparative example 3, the suction resistance, the ventilation rate and the total ventilation rate value of the cigarette of the special-shaped filter stick prepared by the embodiment of the invention are not changed greatly, which shows that the physical properties of the cigarette prepared by wrapping the plug paper on the common filter stick are basically the same after the light-cured protective film is formed on the surface of the special-shaped filter stick;
compared with the comparative example 1, the suction resistance of the comparative example 1 is reduced, the ventilation rate is obviously improved, and the air leakage phenomenon exists when the special-shaped cigarette filter stick is not coated with the protective film, so that the technical contribution of forming the protective film on the surface of the special-shaped cigarette filter stick is explained;
compared with the example 1, the absorption resistance of the comparative example 2 is reduced, the ventilation rate is increased, and the sealing effect of the protective film formed by the photocuring technology is better than that of the protective film adhered by the adhesive, so that the technical contribution of the photocuring film forming method is proved.
(2) Sensory evaluation
The evaluation process comprises the following steps: the sensory evaluation method of the national standard YCT 138-plus 1998 tobacco and tobacco products is adopted, and the sensory evaluation is carried out on the cigarettes prepared in the embodiment and the comparative example by professional smokers by taking the aroma characteristics, the smoke concentration and the suction opening number as indexes. The results are shown in Table 2.
TABLE 2 sensory test results
Evaluation results were as follows: as can be seen from Table 2, the aroma characteristics, the smoke concentration and the number of suction openings of the cigarettes prepared in the examples and the comparative example 3 of the application are basically the same, which shows that the smoking effect of the cigarettes prepared by wrapping the plug paper on the common filter stick is not greatly changed after the light-cured protective film is formed on the surface of the special-shaped filter stick;
compared with the comparative example 1, the special-shaped filter stick has the advantages that the fragrance characteristics are outstanding, the smoke concentration is high, and the number of suction openings is large, so that the phenomenon of air leakage is reduced after a protective film is formed on the surface of the special-shaped filter stick;
in the comparative example 2, the smoke concentration is quickly weakened along with the increase of the number of the suction openings, which shows that the sealing performance of the surface of the special-shaped filter stick is poor, the air leakage phenomenon exists, and the number of the suction openings is reduced, thereby showing the technical contribution of the photocuring film-forming technology.
The preferred embodiments of the present invention have been described in detail, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are all within the protection scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.
Claims (10)
1. A cigarette abnormal-shape filter stick is characterized by comprising a filter stick body and a protective film arranged on the surface of the filter stick body; the protective film is formed by photocuring the photocuring solution coated on the filter stick body.
2. The cigarette special-shaped filter stick according to claim 1, wherein the thickness of the protective film is 0.1-2.0 mm.
3. The cigarette profile filter rod according to claim 1, wherein the light-curing solution comprises a light-curing resin and a photoinitiator.
4. The cigarette profile filter stick according to claim 3, wherein the mass ratio of the light-cured resin to the photoinitiator is (49-51): (0.14-0.16).
5. The cigarette special-shaped filter stick according to claim 3, wherein the light-cured resin is aliphatic polyurethane acrylic resin.
6. The cigarette profiled filter rod according to claim 5, wherein the aliphatic polyurethane acrylic resin is one or more of UVU6906 resin, UVU6205 resin, UVU6250 resin and UVU6305 resin.
7. The cigarette profile filter stick according to claim 3, wherein the photoinitiator is one or more of camphorquinone, 1-phenyl-1, 2-propanedione, methyl o-benzoylbenzoate, and benzophenone.
8. The cigarette profile filter rod of claim 1, wherein the light curing is performed using a UV-LED lamp.
9. The cigarette profile filter stick according to claim 8, wherein the irradiation time of the UV-LED lamp is 3-6 s.
10. A smoking article comprising the cigarette shaped filter according to any one of claims 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210191413.7A CN114431517A (en) | 2022-03-01 | 2022-03-01 | Cigarette special-shaped filter stick and cigarette product |
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| CN202210191413.7A CN114431517A (en) | 2022-03-01 | 2022-03-01 | Cigarette special-shaped filter stick and cigarette product |
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