CN103987283B - Cigarette filter including pla laminated paper and cigarette including the same - Google Patents

Cigarette filter including pla laminated paper and cigarette including the same Download PDF

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Publication number
CN103987283B
CN103987283B CN201380003377.6A CN201380003377A CN103987283B CN 103987283 B CN103987283 B CN 103987283B CN 201380003377 A CN201380003377 A CN 201380003377A CN 103987283 B CN103987283 B CN 103987283B
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China
Prior art keywords
filter
cigarette
paper
sub
pla
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CN201380003377.6A
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Chinese (zh)
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CN103987283A (en
Inventor
金守镐
吕运炯
黄义
黄义一
李镇诚
金愍奎
郑奉洙
李英泽
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KT&G Corp
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KT&G Corp
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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
    • 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
    • A24D3/0275—Manufacture of tobacco smoke filters for filters with special features
    • A24D3/0291—Manufacture of tobacco smoke filters for filters with special features for hollow tipped filters, e.g. recess filters
    • 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
    • A24D1/02—Cigars; Cigarettes with special covers
    • 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
    • A24D3/067—Use of materials for tobacco smoke filters characterised by functional properties
    • A24D3/068—Biodegradable or disintegrable

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  • Life Sciences & Earth Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Laminated Bodies (AREA)

Abstract

A cigarette filter includes a sub-filter portion surrounded by a filter wrapping paper, a space portion with an empty space next to the sub-filter portion, and a polylactic acid (PLA) laminated paper surrounding the sub-filter portion and the space portion.

Description

Cigarette filter including pla laminated paper and the medicated cigarette including this cigarette filter
Technical field
A kind of cigarette filter including polylactic acid (pla) laminated paper and the medicated cigarette including this cigarette filter are provided.
Background technology
Generally, in order to manufacture medicated cigarette, various Nicotiana tabacum Lves are mixed and processes to obtain required local flavor and taste.
Processed Nicotiana tabacum L. is cut to prepare tobacco shred, and wraps up this tobacco shred to provide no filter plug fragrant with cigarette paper Cigarette.
Filter plug can be affixed to described no cigarette with filter tip.
Cigarette paper may include the material of such as Caulis et Folium Lini, wood pulp or its mixture etc.Cigarette paper in smoking process Maintain the taste of burning or medicated cigarette.
Cigarette filter can include activated carbon, spice.Cigarette filter can be single-filtering mouth or many filter plug, and Can by wrapping cigarette filter tip around.
Medicated cigarette filler and cigarette filter are connected to each other by cork paper, and cork paper can include aperture.
The cigarette filter with the interval of sky can be recessed cigarette filter or pipe filter plug.Empty interval can prevent Got wet by lip or saliva or rotten in the inside of cigarette filter.
In smoking process, according to the smoking habit of user, the local collapse at the interval of the sky of cigarette filter.
Filter-tipped packing paper can be the thick rigidity to increase cigarette filter so that the above-mentioned local at the interval of sky Shape can be kept.By cementing agent is applied to filter-tipped packing paper, the water penetration of cigarette filter can be reduced.
However, the wrapping paper thickening filter plug can deteriorate the machinability manufacturing cigarette filter, and it is coated with cementing agent Environmental pollution can be increased.
Content of the invention
A kind of example can increase the rigidity of the cigarette filter at interval with sky and reduce the water to cigarette filter Infiltration.
A kind of example can keep manufacturing the machinability of cigarette filter and reducing environmental pollution.
A kind of example can be used for the other problems realizing specifically not referred to.
In one example, cigarette filter include by filter-tipped packing paper around sub- filter segment, adjoin described sub- mistake Filter tip portion and have sky space spatial portion, and the polylactic acid (pla) around described sub- filter segment and described spatial portion Laminated paper.
Described pla laminated paper can include inner paper layer, external paper layer and be arranged on described inner paper layer and described external paper layer it Between intermediate layer.
Described intermediate layer can include pla and one or more polymeric materials.
In one example, medicated cigarette include by cigarette paper around medicated cigarette filler portion and be connected to described medicated cigarette filler portion Cigarette filter mouth, described medicated cigarette filler portion includes medicated cigarette filler, and wherein said cigarette filter mouth is included by filter plug bag Dress paper around sub- filter segment, adjoin described sub- filter segment and there is the spatial portion in the space of sky, and around described son Polylactic acid (pla) laminated paper of filter segment and described spatial portion.
Described cigarette filter mouth can be single-filtering mouth.
Described cigarette filter partly can include by the first filter-tipped packing paper around the first sub- filter segment and quilt Second filter-tipped packing paper around the second sub- filter segment, and described second sub- filter segment can be arranged on described Between one sub- filter segment and described spatial portion.
Described pla laminated paper can be around the described second sub- filter segment and described spatial portion.
Described pla laminated paper can be around the described first sub- filter segment, described second sub- filter segment and described spatial portion.
Further feature, will be apparent from described in detail below, drawings and claims.
Example can increase the rigidity of the described cigarette filter in space with sky, reduces the water to this cigarette filter Infiltration, keeps manufacturing the machinability of cigarette filter, and reduces environmental pollution.
Brief description
Fig. 1 is the perspective view of the medicated cigarette according to an example.
Fig. 2 is the sectional view of the medicated cigarette according to an example.
Fig. 3 is the sectional view of the pla laminated paper according to an example.
Fig. 4 is the sectional view of the medicated cigarette according to an example.
Fig. 5 is the sectional view of the medicated cigarette according to an example.
Specific embodiment
It is more fully described various example embodiment below in reference to accompanying drawing, some example embodiment shown in accompanying drawing.So And, at least one example embodiment can be implemented in many different forms and should not be construed as being limited to described in this paper Example embodiment.On the contrary, these exemplary embodiments are provided to make the disclosure by for thorough and complete, and will at least one The scope of individual example embodiment is fully conveyed to those skilled in the art.In the accompanying drawings, for clarity, the chi in layer and region Very little and relative size can be exaggerated.Below it will be understood that, when an element or layer be referred to as another element or layer " on ", by " even It is connected to " or when " being connected to " another element or layer, it can be directly connected to or be connected to this directly on this another element or layer Another element or layer, or there may be and have intermediary element or layer.But, when an element or layer are referred to as " direct " in another unit Part or layer " on ", when " being directly connected to " or " being directly coupled to " another element or layer, there is no intermediary element or layer.Identical Reference refer to identical element all the time.As used herein, term "and/or" includes one or more being associated List any and all combination of project.Below it will be understood that although term first, second, third, etc. herein can be used to Describe various elements, assembly, region, layer and/or part, but these elements, assembly, region, layer and/or part should not be by these Term limits.These terms are used only to an element, assembly, region, floor or part and another region, floor or part area Separately.Therefore, following first elements, assembly, region, layer or partly can be referred to as the second element, assembly, region, layer or portion Point, without departing from the teaching of example embodiment.The term of space correlation, such as " lower section ", " below ", " below ", " above ", " top " etc., can herein be used for describing shown in figure a element or feature and another (some) unit for ease of description Part or the relation of feature.Below it will be understood that, the device during the term of space correlation is intended to comprise use or in operation except in figure Different azimuth outside the orientation described.For example, if the device of in figure is reversed, it is described as be in other elements or spy The element levying " below " or " lower section " will be positioned in " above " of this other element or feature.Therefore, this exemplary term " below " orientation above and following both orientation can be comprised.This device (for example, can be rotated by alternatively positioning 90 degree or in other orientation), and space used herein relative descriptors are interpreted accordingly.Art used herein Language, only for describing the purpose of particular example embodiment, is not intended to limit example embodiment.As used herein, odd number Form " one ", " one " and " being somebody's turn to do " are it is intended that also comprise plural form, unless the context clearly dictates otherwise.One will be entered below Step understands, when using in this manual, term " inclusion " and/or "comprising" state clearly stated feature, entirety, step Suddenly, the presence of operation, element and/or assembly, but be not precluded from one or more of the other feature, entirety, step, operation, element, The presence of assembly and/or a combination thereof or increase.Herein in reference to sectional view, various exemplary embodiments are described, this sectional view is reason The schematic diagram of the example embodiment (and intermediate structure) of wanting.So it is contemplated that because such as manufacturing technology and/or tolerance are led The change of the shape from diagram causing.Therefore, example embodiment should not be construed as being limited to specific area shown herein Domain shape, but include due to for example manufacturing the deviation in shape causing.For example, it is shown as the injection zone of rectangle (implanted region) generally will have the gradient of the feature of circle or arc and/or the implantation concentration in its edge, Rather than the binary change from injection zone to non-implanted region.Similarly, by injecting the buried region (buried being formed Region) can lead to some injections in the region between the surface of injection in buried region and by it.Therefore, attached Actually schematically, their shape is not intended to illustrate the true form in the region of device in this region shown in figure, And not in order to limit the scope of example embodiment.Unless otherwise defined, otherwise all terms used herein (include skill Art term and scientific terminology) be there is the identical meaning being generally understood that with example embodiment those of ordinary skill in the art. Will be further understood that below, such as those terms defined in common dictionary are it should be interpreted as having to it in related neck The consistent meaning of the meaning in the background in domain, and will explain without the preferable or excessively formal meaning, unless herein In clearly so specified.
Describe cigarette filter and the medicated cigarette according to example referring to figs. 1 to Fig. 3 in detail.
Fig. 1 is the perspective view of the medicated cigarette according to an example, and Fig. 2 is the sectional view of the medicated cigarette according to an example, and Fig. 3 is The sectional view of the pla laminated paper according to an example.
Referring to Fig. 1 and Fig. 2, medicated cigarette 1 includes the cigarette filter of the medicated cigarette post portion 10 burnt by fire and filter cigarette smog Portion 20.
Medicated cigarette post portion 10 and cigarette filter mouth 20 are connected with each other by cork paper 29.
Medicated cigarette post portion 10 includes medicated cigarette filler 11, and by cigarette paper 19 around.
Cigarette filter mouth 20 includes sub- filter segment 21 and spatial portion 24.
Sub- filter segment 21 can be the cellulose acetate tow of fiber shape or filamentary form.
Spatial portion 24 is empty and can prevent the mouth contact site of cigarette filter from being got wet by lip or saliva so that fragrant The function of tobacco filters can not deteriorate.
Cigarette filter mouth 20 can include at least one spice and at least one adsorbent.
Cigarette filter mouth 20 is the single-filtering mouth including sub- filter segment 21.
Cigarette filter mouth 20 can be the multi-filtering mouth including some sub- filter plug.
For example, as shown in Figure 3 or Figure 4, cigarette filter mouth 20 can be double filter-tip, triple filter mouth or quadruple mistake Filter tip.
Additionally, the length of every sub- filter plug in multi-filtering mouth can be suitably adapted.
Cigarette filter mouth 20 can be by one or more wrapping papers around and wrapping paper can have based on medicated cigarette species The porosity of various values.
Sub- filter segment 21 by wrapping cigarette filter tip 28 around.
Sub- filter portion 21 and spatial portion 24 by polylactic acid (pla) laminated paper 25 around.
Pla has high rigidity, high moistureproof and high biological degradability.
For the intrinsic characteristic of pla, the rigidity of pla laminated paper 25 can increase, the water penetration into pla laminated paper 25 Can reduce, and the biological degradability of pla laminated paper 25 can improve.
Therefore, by pla laminated paper 25 around spatial portion 24 can be indeformable or subside.
As shown in figure 3, pla laminated paper 25 includes inner paper layer 258, external paper layer 259 and is arranged on inner paper layer 258 and outer Intermediate layer 251 between ply of paper 259.
Intermediate layer 251 can include pla.
Pla has weak heat stability, but is because being arranged on inner paper layer 258 and outer paper including the intermediate layer 251 of pla Between layer 259, pla laminated paper 25 can have improved heat stability and the rigidity improved.
Pla laminated paper 25 can be manufactured with t shape mould by expressing technique.
For example, it is possible to respectively from both sides provide in paper and outer paper.Polymeric material including pla can pass through t shape mould quilt Extrusion is to be arranged between interior paper and outer paper, and correspondingly can manufacture inner paper layer 258, the intermediate layer including pla and external paper layer 259.
Internally paper and outer paper can apply sided corona treatment so that the bonding strength between paper and intermediate layer 251 can increase, And therefore during manufacturing cigarette filter using pla laminated paper 25, pla laminated paper 25 can not be between the layers Come off, and manufacture the processability of cigarette filter and can improve.
Additionally, the thickness in intermediate layer 251 can be controlled by the thickness of the polymeric material of t shape mould extrusion by adjusting.
For example, the thickness including the intermediate layer of pla can be about 10 μm to about 100 μm.
The thickness in intermediate layer 251 can be controlled by the thickness of paper and outer paper in adjusting.
Pla laminated paper 25 is controlled to be not thick, the circularity of cigarette filter can be kept and manufacture cigarette filter Processability can improve.
Can internally paper apply in gluing, and can externally paper applying in gluing and surface sizing.
In the manufacture process of laminated paper, the surface with relatively low paper smoothness can be exposed, and has higher The reverse side of paper smoothness can contact with intermediate layer 251.
Interior paper or outer paper have about 1.2 loft.
For example, the thickness of interior paper can be about 30 μm, and the basis weight of interior paper can be about 25g/m2, the thickness of outer paper can be about 70 μm to about 75 μm, the basis weight of outer paper can be about 50g/m2To about 60g/m2.
Intermediate layer 251 can be the hardness having the polymeric material of pla for one or more to reduce pla, and therefore The machinability that the circularity of cigarette filter can be kept and manufacture cigarette filter can also be kept.
Described polymeric material can be biodegradable polymer such as pla, or non-biodegradable polymers.
Biodegradable polymer can be, such as pbs(poly butylene succinate), pha(poly (hydroxy alkanoate) Ester), tps(thermoplastic starch), pe(polyethylene), pp(polypropylene), pet(polyethylene terephthalate), peti(gather to benzene Naphthalate altogether M-phthalic acid), ptt(propylene glycol ester terephthalate), pbt(polybutylene terephthalate Ester), pbat(polyadipate/butylene terephthalate), pa(polyamide), pcl(polycaprolactone), pga(polyglycolic acid), Phb(poly butyric ester) or its mixture.
Can be with various contents than one or more polymeric material of mixing.
In this example, describe medicated cigarette in detail with reference to Fig. 4.
As above-mentioned with respect to Fig. 1 to Fig. 3, can be omitted with the medicated cigarette identical description with regard to Fig. 1 to Fig. 3.
Fig. 4 is the sectional view of the medicated cigarette according to an example.
As shown in figure 4, cigarette filter mouth 20 includes two sub- filter segment 22 and 23 and spatial portion 24.
Each in two sub- filter segment 22 and 23 can be provided with the cellulose acetate of fiber shape or filamentary form Tow.
Cigarette filter mouth 20 is the double filter-tip including two sub- filter segment 22 and 23, and two sub- filter plug The length of each in portion 22 and 23 can be suitably adapted according to the target property of cigarette filter.
Cigarette filter mouth 20 can be by one or more wrapping papers around and the porosity of wrapping paper can have and be based on The various values of medicated cigarette species.
Two sub- filter segment 22 and 23 respectively by wrapping cigarette filter tip 27 and 26 around.
Sub- filter segment 23 and spatial portion 24 by pla laminated paper 25 around.
For the intrinsic characteristic of pla, the rigidity of pla laminated paper 25 can increase, the water penetration into pla laminated paper 25 Can reduce, and the biological degradability of pla laminated paper 25 can improve.
Therefore, by pla laminated paper 25 around spatial portion 24 can be indeformable or subside.
Pla laminated paper 25 includes inner paper layer 258, external paper layer 259 and is arranged between inner paper layer 258 and external paper layer 259 Intermediate layer 251.
Two sub- filter segment 22 and 23 are by a wrapping cigarette filter tip 28 around to be connected to each other.
In one example, describe medicated cigarette in detail with reference to Fig. 5.
As above-mentioned with respect to Fig. 1 to Fig. 3, can be omitted with the medicated cigarette identical description with regard to Fig. 1 to Fig. 3.
Fig. 5 is the sectional view of the medicated cigarette according to an example.
As shown in figure 5, cigarette filter mouth 20 includes two sub- filter segment 22 and 23 and spatial portion 24.
Each in two sub- filter segment 22 and 23 can have the acetate silk of fiber shape or filamentary form Bundle.
Cigarette filter mouth 20 is the double filter-tip including two sub- filter segment 22 and 23, and two sub- filter plug The length of each in portion 22 and 23 can be suitably adapted according to the target property of cigarette filter.
Cigarette filter mouth 20 can be by one or more wrapping papers around and the porosity of wrapping paper can have and be based on The various values of medicated cigarette species.
Two sub- filter segment 22 and 23 respectively by wrapping cigarette filter tip 27 and 26 around.
Two sub- filter segment 22 and 23 and spatial portion 24 by pla laminated paper 25 around and therefore two sons filter Mouth 22 and 23 is connected to each other.
For the intrinsic characteristic of pla, the rigidity of pla laminated paper 25 can increase, the water penetration into pla laminated paper 25 Can reduce, and the biological degradability of pla laminated paper 25 can improve.
Therefore, by pla laminated paper 25 around spatial portion 24 can be indeformable or subside.
Pla laminated paper 25 includes inner paper layer 258, external paper layer 259, and is arranged between inner paper layer 258 and external paper layer 259 Intermediate layer 251.
Hereinafter, illustrate in greater detail embodiment with reference to example.However, they are exemplary embodiment rather than restriction Property.
Example 1
Pla and pbs to be prepared compositionss with the weight of 80:20 than mixing.Compositionss are expressed into interior paper by t shape mould To manufacture pla laminated paper and outer paper between.
The melting temperature of the pla being used is about 170 DEG C to about 180 DEG C, and melt index be about 7.5g/10min extremely About 8.0g/10min.
The thickness of the compositionss being extruded is about 20m.
The interior paper being used has about 24.1g/m2Basis weight, about 33.2 μm of thickness, about 0.73t and about 1.78w Smoothness, and gluing time of about 0.5sec.The outer paper being used has 59.7g/m2Basis weight, about 75.3 μm The gluing time of thickness, the smoothness of about 138.3t and about 47.1w, and about 19.8sec.
The integral thickness of pla laminated paper is about 122 μm.
Using manufactured pla laminated paper, manufacture cigarette filter mouth same as shown in Figure 4, and and then pass through group Blending tobacco filters portion and medicated cigarette filler portion are manufacturing medicated cigarette.
Comparative example 1
Except using, there is about 90g/m2Basis weight and the filter-tipped packing paper of about 112 μm of thickness replace pla layer Outside platen, by with example 1 identical process manufacture cigarette filter mouth, and and then pass through Combined cigarette filter segment and Medicated cigarette filler portion is manufacturing medicated cigarette.
Physical property and machinability
Manufacture 50 cigarette filters according to example 1 and 50 cigarette filters according to comparative example 1, and measure its thing Rationality matter and the machinability manufacturing cigarette filter, and show the result in table 1.
Table 1
As shown in table 1, the machinability of example 1 is similar to the machinability of comparative example 1 and physical property with physical property.
Because thick about 10 μm than filter-tipped packing paper of the thickness of pla laminated paper, the absorption resistance ratios comparative example of example 1 1 absorption resistance is higher.
However, according to the various uses of pla laminated paper, by thickness and the extrusion thickness of paper and outer paper in adjustment, pla The thickness of laminated paper is controlled.
For example, the cigarette filter girth that the pla laminated paper of adjustment thickness can apply to have about 16.7mm ultra-fine Tobacco product, and the common cigarette product with the cigarette filter girth of about 24.2mm can also be applied to.
Deformation intensity
Described deformation intensity is using crushing strength measuring instrument, when test objective under drying or wet condition by with perseverance Fixed speed puts on when depressing the depth of about 2mm to be measured during the maximum, force of test objective.
Drying test target in dry conditions, described deformation intensity is the end points about 2mm in mouth contact site middle-range medicated cigarette Distance at measurement.
In a wetted condition, test objective is immersed in about 10 seconds in the water of about 0.2ml, described deformation intensity is in mouth contact Measurement at the distance of end points about 2mm of portion's middle-range medicated cigarette.
Manufacture 30 cigarette filters according to example 1 and 30 cigarette filters according to comparative example 1, and measure its change Shape intensity, and show the result in table 2.
Table 2
As shown in table 2, in dry conditions the cigarette filter of example 1 deformation intensity than comparative example 1 cigarette filter The deformation intensity of mouth about 43%, and in humid conditions the cigarette filter of example 1 deformation intensity than comparative example 1 perfume (or spice) The deformation intensity of tobacco filters about 50%.
Because pla laminated paper is better protected from water penetration than filter-tipped packing paper, so deformation in humid conditions is strong The increment rate of degree is more than the increment rate of deformation intensity in dry conditions.
Under about 38 DEG C and about 100%rh, the moisture permeability of the pla thin film of about 20 μ m-thick is every 24 hours about 300-500g/ m2, and the moisture permeability of filter-tipped packing paper pla thin film be difficult to measured.
Manufacture 40 cigarette filters according to example 1 and 40 cigarette filters according to comparative example 1, and measure its change Shape intensity, and show the result in table 3.
Table 3
As shown in table 3, in dry conditions the cigarette filter of example 1 deformation intensity than comparative example 1 cigarette filter The deformation intensity of mouth about 37%, and in humid conditions the cigarette filter of example 1 deformation intensity than comparative example 1 perfume (or spice) The deformation intensity of tobacco filters about 66%.
Although combined the exemplary embodiment being presently believed to be practical to describe the disclosure, however, it is to be appreciated that extremely A few example embodiment is not limited to the disclosed embodiments, but on the contrary it is intended that covering the essence of appended claims The various changes being comprised in god and scope and equivalent arrangements.

Claims (8)

1. a kind of cigarette filter, comprising:
By filter-tipped packing paper around sub- filter segment；
Adjoin described sub- filter segment and there is the spatial portion in the space of sky；And
Around polylactic acid (pla) laminated paper of described sub- filter segment and described spatial portion,
Wherein said pla laminated paper includes inner paper layer, external paper layer and is arranged between described inner paper layer and described external paper layer Intermediate layer, and wherein said intermediate layer includes polylactic acid and contacts both described inner paper layer and described external paper layer,
The thickness in wherein said intermediate layer is 10 μm to 100 μm.
2. cigarette filter as claimed in claim 1, wherein said intermediate layer includes pla and one or more polymeric materials.
3. a kind of medicated cigarette, including by cigarette paper around medicated cigarette filler portion and the medicated cigarette mistake being connected to described medicated cigarette filler portion Filter tip portion, described medicated cigarette filler portion includes medicated cigarette filler,
Wherein said cigarette filter portion includes:
By filter-tipped packing paper around sub- filter segment；
Adjoin described sub- filter segment and there is the spatial portion in the space of sky；And
Around polylactic acid (pla) laminated paper of described sub- filter segment and described spatial portion,
Wherein said pla laminated paper includes inner paper layer, external paper layer and is arranged between described inner paper layer and described external paper layer Intermediate layer, and wherein said intermediate layer includes polylactic acid and contacts both described inner paper layer and described external paper layer,
The thickness in wherein said intermediate layer is 10 μm to 100 μm.
4. medicated cigarette as claimed in claim 3, wherein said cigarette filter mouth is single-filtering mouth.
5. medicated cigarette as claimed in claim 3, wherein said cigarette filter mouth include by the first filter-tipped packing paper around First sub- filter segment and by the second filter-tipped packing paper around the second sub- filter segment, and described second sub- filter segment It is arranged between the described first sub- filter segment and described spatial portion.
6. medicated cigarette as claimed in claim 5, wherein said pla laminated paper is around the described second sub- filter segment and described space Portion.
7. medicated cigarette as claimed in claim 5, wherein said pla laminated paper around the described first sub- filter segment, described second Sub- filter segment and described spatial portion.
8. medicated cigarette as claimed in claim 3, wherein said intermediate layer includes pla and one or more polymeric materials.
CN201380003377.6A 2012-06-12 2013-06-11 Cigarette filter including pla laminated paper and cigarette including the same Active CN103987283B (en)

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KR1020120062447A KR101375774B1 (en) 2012-06-12 2012-06-12 Cigarette filter including pla laminated paper and cigarette including the same
KR10-2012-0062447 2012-06-12
PCT/KR2013/005147 WO2013187676A1 (en) 2012-06-12 2013-06-11 Cigarette filter including pla laminated paper and cigarette including the same

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JP6000366B2 (en) 2016-09-28
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KR101375774B1 (en) 2014-03-18
KR20130138924A (en) 2013-12-20
WO2013187676A1 (en) 2013-12-19

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