CN210797066U - PLA composite fiber filament and filter tip containing same - Google Patents
PLA composite fiber filament and filter tip containing same Download PDFInfo
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- CN210797066U CN210797066U CN201921397850.4U CN201921397850U CN210797066U CN 210797066 U CN210797066 U CN 210797066U CN 201921397850 U CN201921397850 U CN 201921397850U CN 210797066 U CN210797066 U CN 210797066U
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B3/00—Preparing tobacco in the factory
- A24B3/12—Steaming, curing, or flavouring tobacco
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/507—Polyesters
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/10—Animal fibres
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/18—Synthetic fibres consisting of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/24—Polymers or copolymers of alkenylalcohols or esters thereof; Polymers or copolymers of alkenylethers, acetals or ketones
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
- Nonwoven Fabrics (AREA)
- Multicomponent Fibers (AREA)
Abstract
The utility model relates to a PLA composite fiber filament and contain filter tip of this fiber filament thereof. The utility model discloses a PLA composite fiber filament, it is skin core structure, include the inner core layer and wrap up in the outside PLA cortex of inner core layer, the inner core layer with airflow channel has between the cortex. The inner core layer is a continuous filament body, the filament body is made of degradable materials, the components of the PLA outer skin layer are mainly PLA, and the PLA refers to polylactic acid. The beneficial effects are as follows: the utility model discloses a PLA composite fiber filament not only pliability is good, difficult rupture, difficult coming unstuck, but also complete biodegradation does benefit to the environmental protection. Use the utility model discloses a filter tip that PLA composite fiber filament made hinders for a short time, and flue gas flow is even, and the cooling is effectual, and intensity is moderate.
Description
Technical Field
The utility model relates to a composite fiber filament especially relates to a PLA composite fiber filament and its filter tip that contains this fiber filament, and PLA composite fiber filament has strengthened the pliability, and is difficult for the rupture.
Background
Smoking has become a nuisance and has been reported to be directly or indirectly linked to chronic obstructive pulmonary disease, cardiovascular disease, stroke, gastric ulcer, cataracts, and to be associated with at least 12 tumours (especially lung cancer). According to the smoking control report issued by the ministry of health in 2007, nearly 100 thousands of people who die from smoking related diseases every year in China, 10 thousands of people die from passive smoking related diseases, and particularly, the relationship between the onset of respiratory diseases and respiratory tumors and cigarettes is closer.
With the continuous development of the tobacco industry technology and the pursuit of people for 'healthy' tobacco products, the market of the heating type non-combustion cigarette is rapidly developed, compared with the traditional combustion type cigarette, the heating type non-combustion cigarette can evaporate volatile nicotine, spices and other substances at a lower temperature, so that smokers can effectively reduce the generation of harmful substances such as smoke particles, tar, carbon monoxide and the like while smoking smoke, and the heating type non-combustion cigarette has no sidestream smoke, thereby greatly reducing the harm of second-hand smoke. A filter tip for heating a non-burning cigarette needs to meet the requirements of cooling high-temperature smoke and having proper suction resistance, Philips Morris production company has earlier research in the field of heating non-burning cigarettes and smoking appliances, and has applied a plurality of patents in layout, in the field of filter tips, the patent of CN201280072200.7 applied by the company adopts an aerosol cooling element which is formed by folded and gathered polymer sheets and can realize effective cooling, the structure preparation process is relatively complex, the cost is higher, and the uniformity of products is not well ensured, the method needs to add a specific process and equipment on a cigarette compounding machine, the polymer sheets are generally in a film belt shape and are conveyed into the equipment, are indented by a compression roller, then are rolled into a folded rod shape, and are compounded and rolled to the cigarette product, the scheme is that the cigarette is relatively mature at present and can be commercially applied to the heating non-burning cigarette products, in order to break the technical monopoly of Philips Morris production company, a plurality of China middle-grade tobacco companies and related enterprises are researched and developed in large quantities, silk threads can be used as cooling and ventilating materials for manufacturing the filter tip obtained by an applicant in the research and development process, but the existing silk threads have the defects of poor flexibility and easiness in breaking and are difficult to meet the requirements.
Therefore, research and develop a pliability stronger, difficult rupture, need not improve technology on tobacco equipment, directly make bar-like transport, cutting book connect just can prepare the heating not PLA composite fiber filament who burns cigarette filter tip, the problem that needs to solve urgently, this is also the utility model discloses an create the motivation.
The information disclosed in this background section is only for enhancement of understanding of the general background of the patent application and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a PLA composite fiber filament that the pliability is stronger, difficult rupture and contain the filter tip of this fiber filament. Solves the technical problems of poor flexibility, easy breakage and incapability of directly manufacturing rod-shaped coiling connection of the composite fiber filament in the prior art. The heating non-combustion filter tip containing the fiber filament has uniform suction resistance and good cooling effect.
The utility model provides a pair of PLA composite fiber filament, its technical scheme is:
the utility model provides a PLA composite fiber filament, PLA composite fiber filament is skin core structure, include the inner core layer with wrap up in the outside PLA cortex of inner core layer, the inner core layer is continuous filamentation body, the inner core layer with airflow channel has between the PLA cortex.
The filament is made of degradable material; the filament has a diameter of 0.1-0.5 mm and the PLA sheath has a thickness of 0.05-0.3 mm.
The ratio of the thickness of the PLA outer skin layer to the filament diameter is 0.2: 1-1.2: 1.
The filament body is a single fiber filament or a fiber tow formed by gathering a plurality of fiber filaments; the types of the fiber filaments in the fiber tow are the same or different.
The air flow channel also includes air flow channels formed by gaps between fiber tows.
The fiber silk is any one of viscose fiber, cotton fiber, hemp fiber, chitin fiber, alginic acid fiber, chitosan fiber, polyvinyl alcohol fiber, polycaprolactone fiber or polyglycolic acid ester fiber.
A heating non-combustible cigarette filter tip comprises rolled paper and PLA composite fiber filaments, wherein the rolled paper wraps a plurality of PLA composite fiber filaments, and an airflow channel is formed among the plurality of PLA composite fiber filaments; PLA composite fiber filament is skin core structure, including interior sandwich layer with wrap up in the outside PLA cortex of interior sandwich layer, the interior sandwich layer is continuous filamentation body, interior sandwich layer with airflow channel has between the PLA cortex.
A plurality of PLA composite fiber filaments are arranged in parallel or a plurality of PLA composite fiber filaments are twisted to form a rope-shaped structure.
The above-mentionedThe end face of the filter has 42-78% of porosity, and each millimeter of length has 210-780mm2Total surface area of (a).
The filter includes a flavor thread located in a middle portion of the filter.
The utility model discloses an implement including following technological effect:
1. the utility model provides a pair of PLA composite fiber filament, PLA composite fiber filament are skin core structure, including the inner core layer and wrap up in its outside cortex, wherein, the inner core layer is continuous filamentation body, and the cortex mainly includes PLA, and this kind of structural design makes the utility model discloses the composite fiber filament of preparation possesses stronger pliability, is difficult for breaking, also is difficult for coming unstuck. The use amount of PLA can also be reduced, the material cost is reduced, and an airflow channel is arranged between the inner core layer and the outer skin layer, so that the outer surface and the inner surface of the outer skin layer can both generate a cooling effect, almost double specific surface area is achieved, and the cooling effect is more obvious. Not only increased the heat absorption area, the structure of cortex is the tubulose moreover, and hot flue gas can not warp after passing through and glue glutinous to can not reduce airflow channel, the inhomogeneous technical problem of air current when having solved the smoking. Flexibility is better when the diameter of the filament, the thickness of the outer skin layer are defined. Therefore, the utility model discloses a PLA composite fiber filament pliability is good, difficult rupture, difficult coming unstuck.
2. The utility model provides a pair of PLA composite fiber filament adopts the degradable material preparation as the filament of inner core layer, and simultaneously, PLA cortex mainly includes PLA, and is double-phase to combine, makes the utility model discloses the composite fiber filament who produces can complete biodegradation, can not cause the burden to the environment, and the feature of environmental protection is stronger. Therefore, the utility model can be completely biodegraded, and is beneficial to environmental protection.
3. The utility model relates to a PLA composite fiber filament, when using, PLA composite fiber filament be arranged in the fragrant smell of preparation cigarette to produce the part, be particularly useful for adding hot type non-burning cigarette, do benefit to the production that reduces harmful substance such as smog granule, tar and carbon monoxide to improve market value. Therefore, the utility model discloses an application value is higher.
4. Use the utility model discloses a filter tip that PLA composite fiber filament made hinders for a short time, and flue gas flow is even, and the cooling is effectual, and intensity is moderate, thereby can reduce the PLA quantity reduce cost to middle filament has the effect of adsorbing harmful substance.
Drawings
FIG. 1 is a schematic cross-sectional structure diagram of a PLA composite fiber filament with an inner core layer comprising a single fiber filament
Fig. 2 is a schematic cross-sectional structure of a PLA composite fiber filament in which the inner core layer includes a plurality of fiber filaments.
Fig. 3 is a schematic view of a manufacturing process of a PLA composite filament.
FIG. 4 is a schematic cross-sectional view of a cigarette filter tip made of a plurality of PLA composite fiber filaments wrapped by rolled paper and heated without combustion.
In the figure: 1. an inner core layer; 2. a PLA outer skin layer; 3. an air flow channel; 4. and (5) rolling the paper.
Detailed Description
The present invention will be described in detail with reference to the following embodiments and the accompanying drawings, wherein the described embodiments are only intended to facilitate the understanding of the present invention, and do not limit the present invention in any way.
Referring to fig. 1 and 2, in the PLA composite fiber filament provided in this embodiment, the PLA composite fiber filament is of a sheath-core structure, and includes an inner core layer 1 and a PLA outer sheath layer 2 wrapped outside the inner core layer 1, the inner core layer 1 is a continuous filament, and an air flow channel is provided between the inner core layer and the PLA outer sheath layer. It should be noted that the PLA outer skin layer 2 of the present invention refers to a main component including PLA, and may contain some necessary additives, preferably, the mass of the PLA is 80.0% -99.9% of the mass of the PLA outer skin layer 2, and PLA refers to polylactic acid. Skin-core structural design makes the utility model discloses the composite fiber filament of preparation possesses stronger pliability, is difficult for the rupture. The PLA composite fiber filament is used for manufacturing filter tips in cigarettes, is particularly suitable for filter tips of heating non-combustion cigarettes, and is beneficial to reducing the generation of harmful substances such as smoke particles, tar, carbon monoxide and the like, thereby improving the market value. PLA cortex 2 has good cooling effect, the utility model discloses a skin core structure can reduce the use amount of PLA, reduces material cost, is provided with airflow channel 3 between inner core layer 1 and the cortex 2 for surface and the internal surface of cortex 2 can all produce the cooling effect, have almost double specific surface area, and the cooling effect is more obvious. The air flow channel 3 can also increase the porosity of smoke gas, a filter tip made of PLA composite fiber filaments has small suction resistance, uniform air flow and moderate strength, and the middle filament has the function of adsorbing harmful substances. Furthermore, as is known, the PLA material can deform when heated and also can deform to a certain degree when encountering high-temperature smoke, so that the heating non-combustion filter tip prepared by singly using the PLA material, in the smoking process, one end of the PLA material close to the smoking material is burnt into blocks when encountering high-temperature smoke, the porosity is reduced, the air flow and the suction resistance can generate larger changes, the smoke flow of the front mouths and the back mouths is uneven, the experience of consumers is influenced, however, the airflow channel 3 is arranged between the inner core layer 1 and the outer skin layer 2, so that the heat absorption area is increased, and the structure of cortex 2 is the tubulose moreover, utilizes the good thermal stability of inner core fibre as the support for many parallel arrangement cortex are difficult to burnt sticking when meetting hot flue gas near the PLA of fuming material one end, thereby can not reduce airflow channel, and the inhomogeneous technical problem of air current when having solved the smoking.
Preferably, the diameter of the filament is 0.05 to 0.5mm, the diameter of the filament is preferably 0.1 to 0.5mm, and the thickness of the outer skin layer 2 is 0.05 to 0.3 mm. The ratio of the thickness of the outer skin layer 2 to the filament diameter was 0.2: 1-1.2: 1. When the diameter of the filament and the thickness of the outer skin layer 2 are limited, the flexibility is better, and the degumming is not easy. The filament body is a single fiber filament (shown in figure 1) or a fiber tow (shown in figure 2) formed by gathering a plurality of fiber filaments; the fiber filaments in the fiber tow are the same or different in type, and specifically, a plurality of PLA composite fiber filaments are arranged in parallel or a plurality of PLA composite fiber filaments are twisted to form a rope-shaped structure. The fiber yarn is any one or more of viscose fiber, cotton fiber, hemp fiber, chitin fiber, alginic acid fiber, chitosan fiber, polyvinyl alcohol fiber, polycaprolactone fiber, and polyglycolic acid ester fiber. The utility model provides a pair of PLA composite fiber filament adopts the degradable material preparation as the filament of inner core layer 1, and simultaneously, cortex 2 mainly includes PLA, and is double-phase to combine, makes the utility model discloses the composite fiber filament who produces can complete biodegradation, can not cause the burden to the environment, and the feature of environmental protection is stronger. Therefore, the utility model can be completely biodegraded, and is beneficial to environmental protection.
The PLA composite filament may be used to make a flavour generating component in a cigarette. Preferably, the PLA composite fiber filament is used for making a filter in a cigarette which is not burnt by heating. Referring to fig. 4, the cigarette filter tip comprises rolled paper 4 and PLA composite fiber filaments, wherein the rolled paper 4 wraps a plurality of PLA composite fiber filaments, and an airflow channel is formed between the PLA composite fiber filaments; PLA composite fiber filament is skin core structure, including inner core layer 1 and wrap up in inner core layer 1 outside PLA cortex 2, and inner core layer 1 is continuous filamentation body, has airflow channel 3 between inner core layer 1 and the PLA cortex 2. Specifically, the constituent material of the PLA outer skin layer 2 includes PLA, the mass of which accounts for 80.0% to 99.9% of the mass of the PLA outer skin layer 2, and PLA refers to polylactic acid. A plurality of PLA composite fiber filaments are arranged in parallel with respect to mainstream smoke. The end face of the filter has 42-78% of porosity, and each millimeter of length has 210-780mm2Total surface area of (a). The filter includes a flavor thread located in the middle of the filter. An airflow channel is formed among a plurality of PLA composite fiber filaments of the prepared filter tip, an airflow channel 3 is arranged between the inner core layer 1 and the PLA outer skin layer 2, an airflow channel is also formed in a gap between fiber tows, and the multiple airflow channels enable suction resistance and airflow to be uniform.
For better understanding of the present invention, referring to fig. 3, the manufacturing process of the PLA composite fiber filament described above is further explained, which includes the following steps:
firstly drying the filament to remove water, then sending the dewatered filament into a mixture to carry out impregnation operation so as to obtain an impregnated body, wherein the mixture is a uniform mixture of a plasticizer, an anti-hydrolysis agent and molten PLA, then sending the impregnated body into a mould to carry out compression molding so as to obtain a molded body, and then cooling the molded body so as to obtain the PLA composite fiber filament, wherein the mass of the PLA in the PLA composite fiber filament accounts for 80.0% -99.9% of the mass of the PLA cortex 2.
Specifically, the mass of PLA accounts for 90% of the mass of the PLA outer skin layer 2. The temperature of the molten PLA is 150 ℃ to 210 ℃. The utility model relates to a preparation technology of PLA composite fiber filament, whole preparation technology only includes stoving, flooding, the three operating procedure of shaping, and not only step quantity is less, easily operates, does benefit to and improves production efficiency, and every step is green, pollution-free moreover. Therefore, the utility model discloses not only production efficiency is higher, and pollution-free moreover, the feature of environmental protection is stronger. Compare in composite spinning technology, the utility model discloses a preparation technology of PLA composite fiber filament is particularly useful for preparing thick filament, and the cost is lower, more does benefit to and carries out quality control to the product.
The principle of the utility model is explained as follows:
the plasticizer in the utility model is any one or the mixture of any two or the mixture of any multiple of corn starch, superfine talcum powder, tributyl citrate, acetyl tributyl citrate, triethyl citrate and acetyl triethyl citrate.
The utility model discloses well inject "the thickness of PLA cortex 2 and the proportion of filament diameter be 0.2: the reason for 1-1.2: 1 "is that: the flexibility of the composite fiber filament is better.
Example 1:
the utility model provides a PLA composite fiber filament, PLA composite fiber filament are skin core structure, include inner core layer 1 and wrap up in its outside PLA cortex 2, inner core layer 1 is continuous filament, and the preparation material of this filament is degradable material, and the composition matter of PLA cortex 2 includes PLA, and the quality of this PLA accounts for 80.0% -99.9% of PLA cortex 2 quality, and PLA refers to polylactic acid.
A manufacturing process of the PLA composite fiber filament comprises the following steps: firstly drying the filament to remove water, then sending the dewatered filament into a mixture to carry out impregnation operation so as to obtain an impregnated body, wherein the mixture is a uniform mixture of a plasticizer, an anti-hydrolysis agent and molten PLA, then sending the impregnated body into a mould to carry out compression molding so as to obtain a molded body, and then cooling the molded body so as to obtain the PLA composite fiber filament, wherein the mass of PLA in the PLA composite fiber filament accounts for 80.0% -99.9% of the mass of the PLA cortex 2. The temperature of the molten PLA is 150 ℃ to 210 ℃.
The PLA composite fiber filament is used for manufacturing a flavor generation component in a cigarette.
Example 2:
the basic contents are the same as example 1, except that:
the diameter of the filament is 0.05-0.5 mm and the thickness of the PLA outer skin layer 2 is 0.05-0.3 mm. Preferably, the ratio of the thickness of the PLA outer skin layer 2 to the filament diameter is 0.2: 1-1.2: 1.
Example 3:
the basic contents are the same as example 1, except that:
the filament is a single fiber filament or a fiber tow formed by gathering a plurality of fiber filaments; the types of filaments in the tow may be the same or different. Preferably, the fiber yarn is any one of viscose fiber, cotton fiber, hemp fiber, chitin fiber, alginic acid fiber, chitosan fiber, polyvinyl alcohol fiber, polycaprolactone fiber and polyglycolic acid ester fiber.
Example 4:
the basic contents are the same as example 1, except that:
the mass of PLA was 90% of the mass of the PLA outer skin layer 2.
Example 5 to example 9:
the following embodiments only list the differences from the above embodiments (taking embodiment 1 as an example), and for the brevity of the patent text, only the parameters with differences are listed in a table manner, so that the skilled person can fully realize the technical solutions of the embodiments by combining the above embodiments (taking embodiment 1 as an example) and the following disclosure. The differences are as follows:
table 1 parameters and test results defined in examples 5 to 9
A cigarette filter which is not burned by heating was prepared by using the PLA composite fiber filaments prepared in examples 5 to 9, and the filter and the smoking material were rolled into a cigarette to be tested, and data shown in table 2 were obtained:
TABLE 2 test results of cigarette containing the above filter which was not burned by heating
As can be seen from the above table 2, the PLA composite fiber filament of the utility model is particularly suitable for preparing the heating type non-combustion cigarette filter tip.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. A PLA composite fiber filament characterized in that: PLA composite fiber filament is skin core structure, including interior sandwich layer with wrap up in the outside PLA cortex of interior sandwich layer, the interior sandwich layer is continuous filamentation body, interior sandwich layer with airflow channel has between the PLA cortex.
2. A PLA composite fibre filament according to claim 1, characterized in that: the filament is made of degradable material; the filament has a diameter of 0.1-0.5 mm and the PLA sheath has a thickness of 0.05-0.3 mm.
3. A PLA composite fibre filament according to claim 2, characterized in that: the ratio of the thickness of the PLA outer skin layer to the filament diameter is 0.2: 1-1.2: 1.
4. A PLA composite fibre filament according to claim 1, 2 or 3, characterized in that: the filament body is a single fiber filament or a fiber tow formed by gathering a plurality of fiber filaments; the types of the fiber filaments in the fiber tow are the same or different.
5. A PLA composite fibre filament according to claim 4, characterised in that: the air flow channel also includes air flow channels formed by gaps between fiber tows.
6. A PLA composite fibre filament according to claim 4, characterised in that: the fiber silk is any one of viscose fiber, cotton fiber, hemp fiber, chitin fiber, alginic acid fiber, chitosan fiber, polyvinyl alcohol fiber, polycaprolactone fiber or polyglycolic acid ester fiber.
7. A heat-not-burn cigarette filter comprising the PLA composite fiber filament as claimed in any one of claims 1 to 6, wherein: the filter tip includes roll system paper and PLA composite fiber filament, a plurality of PLA composite fiber filament of roll system paper parcel, is formed with airflow channel between a plurality of PLA composite fiber filament.
8. A heat non-combustible cigarette filter according to claim 7, wherein: a plurality of PLA composite fiber filaments are arranged in parallel or a plurality of PLA composite fiber filaments are twisted to form a rope-shaped structure.
9. A heat non-combustible cigarette filter according to claim 7, wherein: the end face of the filter has 42-78%Has a porosity of 210-780mm per mm length2Total surface area of (a).
10. A heat non-combustible cigarette filter according to claim 7, wherein: the filter includes a flavor thread located in a middle portion of the filter.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811466284.8A CN109610174A (en) | 2018-12-03 | 2018-12-03 | A kind of PLA composite fibre long filament and its manufacture craft and purposes |
| CN2018114662848 | 2018-12-03 |
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| Publication Number | Publication Date |
|---|---|
| CN210797066U true CN210797066U (en) | 2020-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811466284.8A Pending CN109610174A (en) | 2018-12-03 | 2018-12-03 | A kind of PLA composite fibre long filament and its manufacture craft and purposes |
| CN201921397850.4U Active CN210797066U (en) | 2018-12-03 | 2019-08-27 | PLA composite fiber filament and filter tip containing same |
| CN201910793949.4A Pending CN110396822A (en) | 2018-12-03 | 2019-08-27 | A kind of PLA composite fibre long filament and its manufacture craft and purposes |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811466284.8A Pending CN109610174A (en) | 2018-12-03 | 2018-12-03 | A kind of PLA composite fibre long filament and its manufacture craft and purposes |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910793949.4A Pending CN110396822A (en) | 2018-12-03 | 2019-08-27 | A kind of PLA composite fibre long filament and its manufacture craft and purposes |
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| CN (3) | CN109610174A (en) |
| WO (1) | WO2020114325A1 (en) |
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| CN110396822A (en) * | 2018-12-03 | 2019-11-01 | 武汉红金叶新材料科技有限公司 | A kind of PLA composite fibre long filament and its manufacture craft and purposes |
| CN113598409A (en) * | 2021-08-31 | 2021-11-05 | 南通烟滤嘴有限责任公司 | Filter tip with suspended inner core and cigarette |
| CN115449957A (en) * | 2022-10-01 | 2022-12-09 | 刘玉文 | Household textile fabric and preparation method thereof |
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| CN111528524A (en) * | 2019-01-21 | 2020-08-14 | 浙江迈博高分子材料有限公司 | Aerial fog dispersing device with liquid guide element |
| CN112795994B (en) * | 2021-02-03 | 2024-01-26 | 武汉红金叶新材料科技有限公司 | Preparation method and product of embedded cooling and filtering double-excellent composite fiber |
| CN112831882B (en) * | 2021-02-03 | 2024-02-27 | 武汉红金叶新材料科技有限公司 | Manufacturing process of cooling type granule viscose fiber and product |
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| KR101783247B1 (en) * | 2016-04-28 | 2017-10-10 | 주식회사 삼흥 | Process Of Producing Cigarette Filter Using Biodegradable Poly-Lactic-Acid Fiber Tow |
| CN108588898A (en) * | 2018-04-28 | 2018-09-28 | 苏州金泉新材料股份有限公司 | A kind of cellulose acetate/polylactic acid core-skin composite fiber pipe tobacco and preparation method thereof |
| CN108624986A (en) * | 2018-05-09 | 2018-10-09 | 同济大学 | Novel PLA/PET bi-component sheath-cores structural fibers and preparation method thereof |
| CN108685192A (en) * | 2018-06-27 | 2018-10-23 | 常州龙途新材料科技有限公司 | A kind of degradable smell generating element and smoking article for non-combustion-cigarette |
| CN109610174A (en) * | 2018-12-03 | 2019-04-12 | 武汉红金叶新材料科技有限公司 | A kind of PLA composite fibre long filament and its manufacture craft and purposes |
-
2018
- 2018-12-03 CN CN201811466284.8A patent/CN109610174A/en active Pending
-
2019
- 2019-08-27 CN CN201921397850.4U patent/CN210797066U/en active Active
- 2019-08-27 CN CN201910793949.4A patent/CN110396822A/en active Pending
- 2019-11-29 WO PCT/CN2019/121915 patent/WO2020114325A1/en active Application Filing
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110396822A (en) * | 2018-12-03 | 2019-11-01 | 武汉红金叶新材料科技有限公司 | A kind of PLA composite fibre long filament and its manufacture craft and purposes |
| CN113598409A (en) * | 2021-08-31 | 2021-11-05 | 南通烟滤嘴有限责任公司 | Filter tip with suspended inner core and cigarette |
| CN115449957A (en) * | 2022-10-01 | 2022-12-09 | 刘玉文 | Household textile fabric and preparation method thereof |
| CN115449957B (en) * | 2022-10-01 | 2024-05-28 | 佛山市顺德区丽轩纺织实业有限公司 | Household textile fabric and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110396822A (en) | 2019-11-01 |
| WO2020114325A1 (en) | 2020-06-11 |
| CN109610174A (en) | 2019-04-12 |
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