CN114947193A - Diacetate fiber non-woven fabric filter stick, preparation method and preparation system thereof, composite filter stick and cigarette - Google Patents
Diacetate fiber non-woven fabric filter stick, preparation method and preparation system thereof, composite filter stick and cigarette Download PDFInfo
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- CN114947193A CN114947193A CN202210688748.XA CN202210688748A CN114947193A CN 114947193 A CN114947193 A CN 114947193A CN 202210688748 A CN202210688748 A CN 202210688748A CN 114947193 A CN114947193 A CN 114947193A
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- filter stick
- woven fabric
- fiber non
- diacetate
- diacetate fiber
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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
- A24D3/08—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent
- A24D3/10—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent of cellulose or cellulose derivatives
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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
- A24D1/00—Cigars; Cigarettes
- A24D1/04—Cigars; Cigarettes with mouthpieces or filter-tips
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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
- A24D3/02—Manufacture of tobacco smoke filters
- A24D3/0204—Preliminary operations before the filter rod forming process, e.g. crimping, blooming
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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
- A24D3/02—Manufacture of tobacco smoke filters
- A24D3/0229—Filter rod forming processes
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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
- A24D3/02—Manufacture of tobacco smoke filters
- A24D3/025—Final operations, i.e. after the filter rod forming process
- A24D3/0254—Cutting means
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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
- A24D3/04—Tobacco smoke filters characterised by their shape or structure
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
Abstract
The invention provides a diacetate fiber non-woven fabric filter stick, a preparation method and a preparation system thereof, a composite filter stick and a cigarette. The filter stick comprises a diacetate fiber non-woven fabric added with a plasticizer. The composite filter rod comprises the diacetate fiber non-woven filter rod and a diacetate fiber filter rod. The cigarette comprises the cellulose diacetate non-woven filter stick and a tobacco section, or comprises the composite filter stick and the tobacco section. The preparation method of the diacetate fiber non-woven fabric filter stick comprises the following steps: unreeling, tension control, embossing, plasticizer application, folding, filter stick forming and slitting. The preparation system comprises: the device comprises a diacetate fiber non-woven fabric unwinding device, a tension control device, a paper embossing device, a plasticizer applying device, a furling device, a filter rod forming device and a slitting device. The cellulose diacetate non-woven fabric filter stick has good hardness and good forming effect, has good filtering effect on harmful substances such as tar and phenol, and has good smoking taste.
Description
Technical Field
The invention relates to the technical field of tobacco filter stick production, in particular to a diacetate fiber non-woven fabric filter stick, a preparation method and a preparation system thereof, a composite filter stick and a cigarette.
Background
The cigarette filter is one of the important raw and auxiliary materials of cigarette products, wherein the selection of the filter material has great influence on the smoking taste and the harm and tar reduction level of the cigarette. Along with the development of society and the continuous improvement of living standard of people, the attention degree of cigarette consumers to health is higher and higher, and how to improve the filtration efficiency of cigarette filters to smoke while guaranteeing the smoking flavor of cigarettes is paid extensive attention. Compared with the traditional cellulose diacetate filter stick, the paper filter stick has obvious advantages (7-10% higher than cellulose acetate) in the aspect of filtering efficiency because the fiber structure is loose and the internal fibers are closely interacted, and meanwhile, the filter material in the paper filter stick has larger contact area with smoke, thereby being beneficial to the absorption of the smoke. However, the cigarette with the paper filter stick has the defects of dry smoke, strong irritation, bitter aftertaste, obvious paper taste, hot collapse and the like in the smoking process, and the wide use of the paper filter stick in cigarette products is limited.
Disclosure of Invention
In view of the above disadvantages of the prior art, the present invention aims to provide a filter stick made of cellulose diacetate non-woven fabric, a preparation method and a preparation system thereof, a composite filter stick, and a cigarette, wherein the filter stick made of cellulose diacetate non-woven fabric has good hardness, good forming effect, good filtering effect on harmful substances such as tar and phenol, and good smoking taste.
In order to achieve the above objects and other related objects, a first aspect of the present invention provides a filter stick of a non-woven fabric of cellulose diacetate, comprising a non-woven fabric of cellulose diacetate added with a plasticizer.
Preferably, at least one of the following technical features is also included:
a1) the addition amount of the plasticizer is 5-25% of the mass of the diacetate fiber non-woven fabric, such as 5-6%, 6-8% or 8-25%;
a2) the plasticizer may be triacetin, tripropionin, citric acid glyceride, etc., but is not limited thereto; further, the plasticizer may be a single component or a mixed component, and may be selected from at least one of triacetin, tripropionin, and glycerol citrate, such as glycerol triacetate: 1, tripropionin ═ 1: 1 (mass ratio) is mixed and used as a plasticizer; preferably, the plasticizer is glycerol triacetate;
a3) the diacetate fiber non-woven fabric comprises diacetate fibers, and the mass percentage of the diacetate fibers is more than or equal to 30%;
a4) the filter stick is characterized by further comprising a piece of wrapping paper, and the piece of wrapping paper wraps the diacetate fiber non-woven fabric.
More preferably, at least one of the following technical characteristics is also included:
a11) in the characteristic a1), the addition amount of the plasticizer is 7.5-15% of the mass of the diacetate fiber non-woven fabric;
a31) in the characteristic a3), the mass percent of the diacetate fiber is more than or equal to 70 percent;
a32) the feature a3) wherein the cellulose diacetate nonwoven fabric further contains a fibrous material selected from at least one of bamboo fibers, polylactic acid fibers and wood fibers.
The invention provides a composite filter stick, which comprises a first filter stick and a second filter stick, wherein the first filter stick is the diacetate fiber non-woven fabric filter stick.
Preferably, the second filter stick is a diacetate fiber tow filter stick, a paper filter stick, a groove filter stick, an active carbon filter stick, a coaxial core filter stick or a polylactic acid filter stick;
and/or the composite filter stick further comprises wrapping paper, and the wrapping paper wraps the first filter stick and the second filter stick.
The third aspect of the invention provides a cigarette, which comprises the cellulose diacetate non-woven filter stick and a tobacco section.
The invention provides a cigarette in a fourth aspect, which comprises the composite filter stick and the tobacco section.
The filter stick of the cellulose diacetate non-woven fabric can adopt a unitary structure to directly roll and connect cigarettes, and can also be formed by compounding with other filter sticks such as the cellulose diacetate filter stick and then roll and connect the cigarettes.
The fifth aspect of the invention provides a preparation method of a diacetate fiber non-woven fabric filter stick, which comprises the following steps:
b1) unreeling the diacetate fiber non-woven fabric;
b2) controlling the tension of the unreeled diacetate fiber non-woven fabric;
in order to ensure that the diacetate fiber non-woven fabric enters the next link with constant tension;
b3) embossing the diacetate fiber non-woven fabric after tension control;
embossing the tension-controlled diacetate fiber non-woven fabric by a heating thread roller to obtain a diacetate fiber non-woven fabric longitudinally distributed with folds;
b4) applying a plasticizer to the embossed cellulose diacetate nonwoven fabric;
b5) collecting the diacetate fiber non-woven fabric after the plasticizer is applied;
the diacetate fiber non-woven fabric after the plasticizer is applied can be furled through a non-pressure nozzle, shaped and output;
b6) wrapping the collected diacetate fiber non-woven fabric with forming paper to form a filter rod;
the furled diacetate fiber non-woven fabric can enter a filter stick forming device to complete the step;
b7) and cutting the material formed by the filter stick to obtain the diacetate fiber non-woven fabric filter stick.
Preferably, at least one of the following technical features is also included:
b11) in the step b1), the width of the diacetate fiber non-woven fabric is less than or equal to 450 mm;
b12) in the step b1), the unreeled coil diameter is less than or equal to 1250 mm;
b13) in the step b1), the roll weight of the diacetate fiber non-woven fabric is less than or equal to 100 kg;
b14) in the step b1), the thickness of the diacetate fiber non-woven fabric is 0.03-0.3 mm;
b31) in the step b3), the embossing depth is 0.1-2 mm, such as 0.1-0.4 mm or 0.4-2 mm;
b71) in step b7), smoke separation is performed after cutting.
The tobacco can be collected and packed after being separated.
The order of the steps of the above preparation method is not fixed.
More preferably, at least one of the following technical characteristics is also included:
b111) in the characteristic b11), when the diacetate fiber non-woven fabric filter stick with the diameter of 7.5-7.8 mm is prepared, the width of the diacetate fiber non-woven fabric is 150-300 mm;
b112) in the characteristic b11), when the diacetate fiber non-woven fabric filter stick with the diameter of 6.0-6.5 mm is prepared, the width of the diacetate fiber non-woven fabric is 100-180 mm;
b113) in the characteristic b11), when the diacetate fiber non-woven fabric filter stick with the diameter of 5.0-5.6 mm is prepared, the width of the diacetate fiber non-woven fabric is 60-150 mm;
b141) in the characteristic b14), the thickness of the diacetate fiber non-woven fabric is 0.1-0.15 mm;
b311) in the feature b31), the embossing depth is 0.2-0.6 mm.
The sixth aspect of the present invention provides a system for preparing a filter stick of cellulose diacetate non-woven fabric, comprising:
the acetate fiber non-woven fabric unwinding device is used for unwinding the acetate fiber non-woven fabric;
the tension control device is used for controlling the tension of the unreeled diacetate fiber non-woven fabric;
the paper embossing device is used for embossing the diacetate fiber non-woven fabric after tension control;
a plasticizer applying device for applying a plasticizer to the embossed cellulose diacetate nonwoven fabric;
the gathering device is used for gathering the diacetate fiber non-woven fabric after the plasticizer is applied;
the filter stick forming device is used for carrying out filter stick forming on the collected diacetate fiber non-woven fabric through forming paper;
the cutting device is used for cutting the material formed by the filter stick;
the cellulose diacetate non-woven fabric unwinding device, the tension control device, the paper embossing device, the plasticizer applying device, the gathering device, the filter rod forming device and the slitting device are sequentially connected.
Preferably, at least one of the following technical features is also included:
1) the tension control device comprises a plurality of rollers, and the unreeled diacetate fiber non-woven fabric is connected through the rollers;
2) the paper embossing device comprises a first heating threaded roller, a second heating threaded roller and a laser ranging unit, wherein groove teeth are arranged on the opposite surfaces of the first heating threaded roller and the second heating threaded roller, and the laser ranging unit faces the first heating threaded roller and the second heating threaded roller and is used for monitoring and controlling the roller distance between the first heating threaded roller and the second heating threaded roller;
3) the preparation system further comprises a cigarette distribution device, and the cigarette distribution device is connected with the slitting device.
As described above, the invention has at least one of the following advantageous effects:
1) the filter stick comprises the diacetate fiber non-woven fabric which is used as a filter material of a cigarette filter stick, the Y-shaped section shape of tows can be kept, the probability of contact and adsorption of the tows and smoke is improved due to the high specific surface area, and the interception and filtration effect of harmful substances to the smoke is improved.
2) The cigarette filter stick based on the diacetate fiber non-woven fabric is prepared by using the paper filter stick forming technology and improving, has the advantages of the diacetate fiber filter stick and the paper filter stick, and ensures the cigarette suction flavor while improving the filter efficiency of the cigarette filter stick.
3) The plasticizer is added into the diacetate fiber non-woven fabric filter stick, so that the diacetate fiber non-woven fabric filter material meets the requirements of the filter stick rolling and combining process, namely, the physical indexes of circumference, roundness, pressure drop, hardness and the like meet the use requirements.
4) Compared with the common paper and plasticizer-free non-woven fabric filter stick, the plasticizer is added into the non-woven fabric base material, so that the harmful substances of phenols in smoke can be effectively adsorbed.
5) Compared with the common paper filter stick, the cellulose diacetate non-woven fabric filter stick has good hardness, and the filter stick solidified by the plasticizer can avoid the problem that the paper material is easy to heat and collapse when cigarettes are sucked.
Drawings
FIG. 1 is a system diagram for preparing a filter stick of cellulose diacetate non-woven fabric according to the invention.
Fig. 2 is a schematic view of a cigarette according to a first embodiment of the present invention.
Figure 3 is a schematic view of a cigarette according to a second embodiment of the invention.
Reference numerals
Unwinding device for 1 diacetate fiber non-woven fabric
2 tension control device
21 roller
3 paper embossing device
31 first heating thread roller
32 second heating screw roll
33 laser ranging unit
4 plasticizer applying device
41 liquid spraying box
42 atomizing nozzle
43 liquid storage barrel
44 first conveying roller
45 second conveying roller
46 case cover
5 folding device
6 filter stick forming device
61 shaping paper unwinding unit
62 glue applying unit
63 cloth belt wheel
64 cigarette tongue
65 cooling or heating unit
7 slitting device
8 divide cigarette device
9 diacetate fiber non-woven fabric filter stick
10 diacetate fiber filter stick
11 tobacco section
Detailed Description
The invention is further illustrated by the following examples. It should be understood that these examples are only for illustrating the present invention, and are not intended to limit the scope of the present invention. The experimental methods and reagents of the formulations not specified in the following examples were carried out or configured according to the conventional conditions or the conditions recommended by the manufacturers.
A system for preparing a filter stick of cellulose diacetate non-woven fabric, as shown in fig. 1, comprising:
the cellulose diacetate non-woven fabric unwinding device 1 is used for unwinding the cellulose diacetate non-woven fabric;
the tension control device 2 is used for controlling the tension of the unreeled diacetate fiber non-woven fabric;
the paper embossing device 3 is used for embossing the diacetate fiber non-woven fabric after tension control;
a plasticizer applying device 4 for applying a plasticizer to the embossed cellulose diacetate nonwoven fabric;
the gathering device 5 is used for gathering the diacetate fiber non-woven fabric after the plasticizer is applied;
the filter stick forming device 6 is used for carrying out filter stick forming on the collected diacetate fiber non-woven fabric through forming paper;
the cutting device 7 is used for cutting the material formed by the filter stick;
the cellulose diacetate non-woven fabric unwinding device 1, the tension control device 2, the paper embossing device 3, the plasticizer applying device 4, the folding device 5, the filter stick forming device 6 and the slitting device 7 are sequentially connected.
The plasticizer applying device 4 comprises a liquid spraying box 41, a diacetate fiber non-woven fabric conveying device, an atomizing nozzle 42 and a liquid storage barrel 43, wherein an opening is formed in the top of the liquid spraying box 41, the diacetate fiber non-woven fabric conveying device drives the diacetate fiber non-woven fabric to pass through the upper part of the opening, the atomizing nozzle 42 which sprays liquid upwards is arranged below the opening, and the atomizing nozzle 42 is connected with the liquid storage barrel 43. The cellulose diacetate non-woven fabric conveying device comprises a first conveying roller 44 and a second conveying roller 45 which are respectively arranged on the left side and the right side of the opening, and the cellulose diacetate non-woven fabric is conveyed from the right side to the left side by the first conveying roller 44 and the second conveying roller 45 and enters the gathering device 5. A box cover 46 is arranged above the opening, part of liquid sprayed by the atomizing nozzles 42 flows into the liquid spraying box 41 along the side wall of the box cover 46 after being condensed to the bottom of the box cover 46, and the bottom of the liquid spraying box 41 is connected with the liquid storage barrel 43. The cover 46 is conical in shape. The plasticizer application device 4 applies a plasticizer to the embossed cellulose diacetate nonwoven fabric by using a device for spraying liquid on a paper tape disclosed in CN 109420579 a.
The gathering device 5 may be a funnel-shaped inlet nozzle, and gathers the plasticizer-applied diacetate fiber non-woven fabric.
The filter rod forming device 6 is in the prior art and comprises a forming paper unreeling unit 61, a gluing unit 62, a cloth belt wheel 63, a cigarette tongue 64 and a cooling unit or heating unit 65. The forming paper is unreeled by a forming paper unreeling unit 61, then is glued by a gluing unit 62, is transmitted by a cloth belt wheel 63, is formed at a cigarette tongue 64, and then is solidified by a cooling unit or a heating unit 65. The glue that the shaping paper bondd and uses can be for cold glue or hot glue, uses the cooling unit to hot glue, uses the heating unit to cold glue, and the purpose is all for making glue bond more firmly.
In a specific embodiment, the tension control device 2 includes a plurality of rollers 21, and the unreeled diacetate fiber non-woven fabric is connected through the rollers 21.
In a specific embodiment, the sheet embossing apparatus 3 includes a first heating screw roller 31, a second heating screw roller 32, and a laser distance measuring unit 33, wherein the facing surfaces of the first heating screw roller 31 and the second heating screw roller 32 are provided with groove teeth, and the laser distance measuring unit 33 faces the first heating screw roller 31 and the second heating screw roller 32, and is used for monitoring and controlling a roller distance between the first heating screw roller 31 and the second heating screw roller 32. The laser ranging unit 33 measures the engagement depth of the thread roller pair to adjust the thread roller, the embossing depth of the diacetate fiber non-woven fabric is controlled by adjusting the thread roller, the embossing has the effect that the diacetate fiber non-woven fabric has certain stiffness and support property during forming, and the pressure drop and hardness of the final diacetate fiber non-woven fabric filter stick finished product are adjusted by the embossing depth.
In a specific embodiment, the preparation system further comprises a smoke separation device 8 such as a smoke separation wheel, and the smoke separation device 8 is connected with the cutting device 7.
A composite filter stick, as shown in figure 2, comprises a diacetate fiber non-woven filter stick 9 and a diacetate fiber filter stick 10, or comprises a diacetate fiber non-woven filter stick and a paper filter stick.
A cigarette, as shown in figure 2, comprises a composite filter rod and a tobacco segment 11.
Comparative example 1
The method comprises the following steps of (1) adopting a paper filter material (a material for common paper filter sticks) with wood fibers as a main material, wherein the paper width is 300mm, the paper thickness is 0.12mm, the paper filter material is unreeled by an unreeling device and then enters a tension control device, the paper filter material is tensioned and then enters an embossing device, embossing is carried out through a heating thread roller pair to form uniform embossing, the embossing depth is controlled through the roller distance of the heating thread roller pair, the monitoring and feedback control are carried out through a laser ranging unit, and the embossing depth is 0.4 mm; the paper material enters the plasticizer application device without applying plasticizer. The paper material is furled by a furling device such as a normal pressure leading-in nozzle, wrapped by the shaping paper to form a filter stick after passing through a cigarette tongue and a cooling unit or a heating unit, and enters a splitting device and then enters a cigarette splitting device such as a cigarette splitting wheel to be collected, so that the common paper material filter stick with the diameter of 7.7mm is obtained.
Comparative sample 1: the cigarette is prepared after a common paper filter stick and a vinegar stick are compounded to form a binary composite filter stick, wherein the length of the paper filter stick is 15mm, and the length of the vinegar stick is 15 mm.
Comparative example 2
The width of the cellulose diacetate non-woven fabric adopted in the embodiment is 300mm, the thickness of the non-woven fabric is 0.15mm, the cellulose diacetate non-woven fabric enters a tension control device after being unreeled by an unreeling device, the tensioned cellulose diacetate non-woven fabric enters an embossing device, the cellulose diacetate non-woven fabric is embossed through a heating thread roller pair to form uniform folds, the fold depth is controlled through the roller distance of the heating thread roller pair, the laser ranging unit monitors and implements feedback control, and the embossing depth is 0.4 mm; the diacetate fiber non-woven fabric enters a plasticizer applying device, and no plasticizer is applied. The diacetate fiber non-woven fabric is furled by a furling device such as a normal pressure leading-in mouth, wrapped by shaping paper to form a filter stick after passing through a cigarette tongue and a cooling unit or a heating unit, and enters a cutting device and then enters a smoke separating device such as a smoke separating wheel to be collected to obtain the diacetate fiber non-woven fabric filter stick with the diameter of 7.7 mm.
Comparative sample 2-1: and compounding the cellulose diacetate non-woven filter stick (without plasticizer) and the vinegar stick to form a binary composite filter stick, and then preparing the cigarette, wherein the length of the cellulose diacetate non-woven filter stick is 15mm, and the length of the vinegar stick is 15 mm.
Comparative examples 2 to 2: the filter stick of the cellulose diacetate non-woven fabrics (without applying plasticizer) is directly rolled and connected with cigarettes (unitary filter stick), and the length of the filter stick of the cellulose diacetate non-woven fabrics is 30 mm.
Example 1
The width of the diacetate fiber non-woven fabric adopted in the embodiment is 300mm, the thickness of the non-woven fabric is 0.12mm, the diacetate fiber non-woven fabric enters the tension control device 2 after being unreeled by the diacetate fiber non-woven fabric unreeling device 1, the tensioned diacetate fiber non-woven fabric enters the paper embossing device 3, the diacetate fiber non-woven fabric is embossed through the first heating threaded roller 31 and the second heating threaded roller 32 to form uniform folds, the fold depth is controlled through the roller distance of the first heating threaded roller 31 and the second heating threaded roller 32, and the laser ranging unit 33 monitors and implements feedback control; the cellulose diacetate nonwoven cloth with the embossing depth of 0.4mm enters a plasticizer applying device 4, and the triacetyl glycerine in a liquid storage barrel 43 is uniformly applied on the cellulose diacetate nonwoven cloth through an atomizing nozzle 42, wherein the applying amount is 6 percent of the mass of the cellulose diacetate nonwoven cloth. Entering a gathering device 5 and a filter stick forming device 6. The diacetate fiber non-woven fabric is furled by a furling device 5 such as a normal pressure leading-in nozzle, wrapped by a piece of forming paper to form a filter stick after passing through a cigarette tongue 64 and a cooling unit or a heating unit 65, enters a cutting device 7, enters a cigarette separating device 8 such as a cigarette separating wheel and is collected to obtain the diacetate fiber non-woven fabric filter stick with the diameter of 7.7 mm.
Sample 1-1: and compounding the cellulose diacetate non-woven filter stick and the vinegar stick to form a binary composite filter stick, and then preparing the cigarette, wherein the length of the cellulose diacetate non-woven filter stick is 15mm, and the length of the vinegar stick is 15 mm.
Samples 1 to 2: the filter stick of the cellulose diacetate non-woven fabrics is directly rolled and connected with cigarettes (unitary filter stick), the length of the filter stick of the cellulose diacetate non-woven fabrics is 30mm, and the figure is 3.
Example 2
The width of the cellulose diacetate non-woven fabric adopted in the embodiment is 300mm, the thickness of the non-woven fabric is 0.15mm, the cellulose diacetate non-woven fabric enters the tension control device 2 after being unreeled by the cellulose diacetate non-woven fabric unreeling device 1, the tensioned cellulose diacetate non-woven fabric enters the paper embossing device 3, the cellulose diacetate non-woven fabric is embossed through the first heating thread roller 31 and the second heating thread roller 32 to form uniform folds, the fold depth is controlled through the roller distance of the first heating thread roller 31 and the second heating thread roller 32, the laser ranging unit 33 monitors and implements feedback control, and the embossing depth is 0.4 mm; the diacetate fiber non-woven fabric enters a plasticizer applying device 4, and the plasticizer is triacetyl glycerine and tripropionyl glyceride 1: 1 (mass ratio) of the mixed solution. The triacetyl glycerine in the liquid storage barrel 43 is uniformly applied on the diacetate fiber non-woven fabric through the atomizing nozzle 42, and the application amount is 8 percent of the mass of the diacetate fiber non-woven fabric. Entering a folding device 5 and a filter rod forming device 6. The diacetate fiber non-woven fabric is furled by a furling device 5 such as a normal pressure leading-in nozzle, wrapped by a piece of forming paper to form a filter stick after passing through a cigarette tongue 64 and a cooling unit or a heating unit 65, enters a cutting device 7, enters a cigarette separating device 8 such as a cigarette separating wheel and is collected to obtain the diacetate fiber non-woven fabric filter stick with the diameter of 7.7 mm.
Sample 2: and compounding the cellulose diacetate non-woven filter stick and the vinegar stick to form a binary composite filter stick, and then preparing the cigarette, wherein the length of the cellulose diacetate non-woven filter stick is 15mm, and the length of the vinegar stick is 15 mm.
The filter stick hardness detection method comprises the following steps: determination of physical Properties of GB/T22838.6 cigarettes and Filter rods part 6: hardness.
The evaluation method of the smoking taste of the cigarette comprises the following steps: GB 5606.4-2005 part 4 sensory technical requirement of cigarettes.
The phenol detection method comprises the following steps: YC/T255-.
The molding effect and the thermal collapse were judged by naked eyes.
Table 1 comparison of the effects of the embodiment
The above examples are intended to illustrate the disclosed embodiments of the invention and are not to be construed as limiting the invention. In addition, various modifications of the methods and compositions set forth herein, as well as variations of the methods and compositions of the present invention, will be apparent to those skilled in the art without departing from the scope and spirit of the invention. While the invention has been specifically described in connection with various specific preferred embodiments thereof, it should be understood that the invention should not be unduly limited to such specific embodiments. Indeed, various modifications of the above-described embodiments which are obvious to those skilled in the art to which the invention pertains are intended to be covered by the scope of the present invention.
Claims (12)
1. A diacetate fiber non-woven fabric filter stick is characterized by comprising diacetate fiber non-woven fabric added with a plasticizer.
2. The filter stick according to claim 1, further comprising at least one of the following technical features:
a1) the addition amount of the plasticizer is 5-25% of the mass of the diacetate fiber non-woven fabric;
a2) the plasticizer is selected from at least one of glycerol triacetate, glycerol tripropionate and glycerol citrate;
a3) the diacetate fiber non-woven fabric comprises diacetate fibers, and the mass percentage of the diacetate fibers is more than or equal to 30%;
a4) the filter stick is characterized by further comprising a piece of wrapping paper, and the piece of wrapping paper wraps the diacetate fiber non-woven fabric.
3. The filter stick according to claim 2, further comprising at least one of the following technical features:
a11) in the characteristic a1), the addition amount of the plasticizer is 7.5-15% of the mass of the diacetate fiber non-woven fabric;
a31) in the characteristic a3), the mass percent of the diacetate fiber is more than or equal to 70 percent;
a32) the feature a3), wherein the cellulose diacetate nonwoven fabric further comprises at least one fiber material selected from the group consisting of bamboo fibers, polylactic acid fibers and wood fibers.
4. A composite filter stick, which is characterized by comprising a first filter stick and a second filter stick, wherein the first filter stick is the diacetate fiber non-woven fabric filter stick according to any one of claims 1 to 3.
5. The composite filter stick according to claim 4, wherein the second filter stick is a diacetate fiber tow filter stick, a paper filter stick, a grooved filter stick, an activated carbon filter stick, a coaxial core filter stick or a polylactic acid filter stick;
and/or the composite filter stick further comprises wrapping paper, and the wrapping paper wraps the first filter stick and the second filter stick.
6. A cigarette, which comprises the cellulose diacetate non-woven filter stick according to any one of claims 1 to 3 and a tobacco segment.
7. A cigarette comprising the composite filter rod of claim 4 or 5 and a tobacco segment.
8. The preparation method of the diacetate fiber non-woven fabric filter stick is characterized by comprising the following steps:
b1) unreeling the diacetate fiber non-woven fabric;
b2) controlling the tension of the unreeled diacetate fiber non-woven fabric;
b3) embossing the diacetate fiber non-woven fabric after tension control;
b4) applying a plasticizer to the embossed cellulose diacetate nonwoven fabric;
b5) collecting the diacetate fiber non-woven fabric after the plasticizer is applied;
b6) wrapping the collected diacetate fiber non-woven fabric with forming paper to form a filter rod;
b7) and cutting the material formed by the filter stick to obtain the diacetate fiber non-woven fabric filter stick.
9. The method for preparing a filter stick of cellulose diacetate according to claim 8, further comprising at least one of the following technical features:
b11) in the step b1), the width of the diacetate fiber non-woven fabric is less than or equal to 450 mm;
b12) in the step b1), the unreeled roll diameter is less than or equal to 1250 mm;
b13) in the step b1), the roll weight of the diacetate fiber non-woven fabric is less than or equal to 100 kg;
b14) in the step b1), the thickness of the diacetate fiber non-woven fabric is 0.03-0.3 mm;
b31) in the step b3), the embossing depth is 0.1-2 mm;
b71) in step b7), smoke separation is performed after cutting.
10. The method for preparing a filter stick of cellulose diacetate according to claim 9, further comprising at least one of the following technical features:
b111) in the characteristic b11), when the filter stick of the diacetate fiber non-woven fabric with the diameter of 7.5-7.8 mm is prepared, the width of the diacetate fiber non-woven fabric is 150-300 mm;
b112) in the characteristic b11), when the diacetate fiber non-woven fabric filter stick with the diameter of 6.0-6.5 mm is prepared, the width of the diacetate fiber non-woven fabric is 100-180 mm;
b113) in the characteristic b11), when the diacetate fiber non-woven fabric filter stick with the diameter of 5.0-5.6 mm is prepared, the width of the diacetate fiber non-woven fabric is 60-150 mm;
b141) in the characteristic b14), the thickness of the diacetate fiber non-woven fabric is 0.1-0.15 mm;
b311) in the feature b31), the embossing depth is 0.2-0.6 mm.
11. A preparation system of a diacetate fiber non-woven fabric filter stick is characterized by comprising:
the cellulose diacetate non-woven fabric unwinding device (1) is used for unwinding the cellulose diacetate non-woven fabric;
the tension control device (2) is used for controlling the tension of the unreeled diacetate fiber non-woven fabric;
a paper embossing device (3) for embossing the diacetate fiber non-woven fabric after tension control;
a plasticizer applying device (4) for applying a plasticizer to the embossed cellulose diacetate nonwoven fabric;
a gathering device (5) for gathering the diacetate fiber non-woven fabric after the plasticizer is applied;
the filter stick forming device (6) is used for carrying out filter stick forming on the collected diacetate fiber non-woven fabric through forming paper;
the cutting device (7) is used for cutting the material formed by the filter stick;
the acetate fiber non-woven fabric unwinding device (1), the tension control device (2), the paper embossing device (3), the plasticizer applying device (4), the gathering device (5), the filter rod forming device (6) and the slitting device (7) are sequentially connected.
12. The system for preparing a filter stick of cellulose diacetate according to claim 11, further comprising at least one of the following technical features:
1) the tension control device (2) comprises a plurality of rollers (21), and the unreeled cellulose diacetate fiber non-woven fabric is connected through the rollers (21);
2) the paper embossing device (3) comprises a first heating threaded roller (31), a second heating threaded roller (32) and a laser distance measuring unit (33), wherein the opposite surfaces of the first heating threaded roller (31) and the second heating threaded roller (32) are provided with groove teeth, and the laser distance measuring unit (33) faces the first heating threaded roller (31) and the second heating threaded roller (32) and is used for monitoring and controlling the roller distance between the first heating threaded roller (31) and the second heating threaded roller (32);
3) the preparation system further comprises a cigarette separating device (8), and the cigarette separating device (8) is connected with the slitting device (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210688748.XA CN114947193A (en) | 2022-06-16 | 2022-06-16 | Diacetate fiber non-woven fabric filter stick, preparation method and preparation system thereof, composite filter stick and cigarette |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210688748.XA CN114947193A (en) | 2022-06-16 | 2022-06-16 | Diacetate fiber non-woven fabric filter stick, preparation method and preparation system thereof, composite filter stick and cigarette |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115530419A (en) * | 2022-10-12 | 2022-12-30 | 湖北中烟工业有限责任公司 | Glycerol spraying device and filter tip forming machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115530419A (en) * | 2022-10-12 | 2022-12-30 | 湖北中烟工业有限责任公司 | Glycerol spraying device and filter tip forming machine |
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