CN110670241A - Mixed fiber non-woven felt for liquid guide core of electronic cigarette and preparation method thereof - Google Patents
Mixed fiber non-woven felt for liquid guide core of electronic cigarette and preparation method thereof Download PDFInfo
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- CN110670241A CN110670241A CN201910986847.4A CN201910986847A CN110670241A CN 110670241 A CN110670241 A CN 110670241A CN 201910986847 A CN201910986847 A CN 201910986847A CN 110670241 A CN110670241 A CN 110670241A
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- mixed fiber
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- 239000000835 fiber Substances 0.000 title claims abstract description 117
- 239000007788 liquid Substances 0.000 title claims abstract description 44
- 239000003571 electronic cigarette Substances 0.000 title claims abstract description 25
- 238000002360 preparation method Methods 0.000 title abstract description 7
- 238000005096 rolling process Methods 0.000 claims abstract description 20
- 238000001035 drying Methods 0.000 claims abstract description 15
- 229920001169 thermoplastic Polymers 0.000 claims abstract description 15
- 239000004416 thermosoftening plastic Substances 0.000 claims abstract description 15
- 229910052751 metal Inorganic materials 0.000 claims abstract description 14
- 239000002184 metal Substances 0.000 claims abstract description 14
- 238000002156 mixing Methods 0.000 claims abstract description 13
- 238000010521 absorption reaction Methods 0.000 claims abstract description 8
- 230000002787 reinforcement Effects 0.000 claims abstract description 6
- 238000002844 melting Methods 0.000 claims abstract description 5
- 230000008018 melting Effects 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 14
- -1 iron-chromium-aluminum Chemical compound 0.000 claims description 8
- 229920000728 polyester Polymers 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 2
- 239000004734 Polyphenylene sulfide Substances 0.000 claims description 2
- 229920001778 nylon Polymers 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 229920000069 polyphenylene sulfide Polymers 0.000 claims description 2
- 239000004677 Nylon Substances 0.000 claims 1
- 239000004760 aramid Substances 0.000 claims 1
- 229920003235 aromatic polyamide Polymers 0.000 claims 1
- 230000001788 irregular Effects 0.000 claims 1
- 239000011162 core material Substances 0.000 abstract description 19
- 239000000203 mixture Substances 0.000 abstract 1
- SNICXCGAKADSCV-JTQLQIEISA-N (-)-Nicotine Chemical compound CN1CCC[C@H]1C1=CC=CN=C1 SNICXCGAKADSCV-JTQLQIEISA-N 0.000 description 4
- 238000000889 atomisation Methods 0.000 description 4
- 229960002715 nicotine Drugs 0.000 description 4
- SNICXCGAKADSCV-UHFFFAOYSA-N nicotine Natural products CN1CCCC1C1=CC=CN=C1 SNICXCGAKADSCV-UHFFFAOYSA-N 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 230000000391 smoking effect Effects 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 229920004933 Terylene® Polymers 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000009747 swallowing Effects 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4382—Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
- D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
- D04H1/48—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres in combination with at least one other method of consolidation
- D04H1/485—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres in combination with at least one other method of consolidation in combination with weld-bonding
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
- D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
- D04H1/48—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres in combination with at least one other method of consolidation
- D04H1/49—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres in combination with at least one other method of consolidation entanglement by fluid jet in combination with another consolidation means
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
- D04H1/72—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
- D04H1/732—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged by fluid current, e.g. air-lay
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Nonwoven Fabrics (AREA)
Abstract
The invention discloses a mixed fiber non-woven felt for an electronic cigarette liquid guide core and a preparation method thereof. The mixed fiber non-woven felt is formed by mixing metal fibers, pre-oxidized fiber and thermoplastic fiber, and the mass per unit area of the mixed fiber non-woven felt is 80-130g/m2The liquid absorption rate is 1-3 times, and the wicking height is 1-3 cm. The preparation method comprises the following steps: opening and uniformly mixing metal fibers, pre-oxidized fiber fibers and thermoplastic fibers, and then feeding the mixture into an air-laid machine set to obtain a fluffy mixed fiber net; sending the fluffy mixed fiber net into a spunlace unit for entanglement and reinforcement, and drying to obtain a mixed fiber felt; and (4) putting the dried mixed fiber felt into a rolling mill for rolling. The invention utilizes the temperature resistance and the electrical conductivity of the metal fiber,the temperature resistance and the better forming processability of the pre-oxidized fiber and the hot melting adhesiveness of the thermoplastic fiber at high temperature are adopted to prepare the liquid guiding core material of the electronic cigarette, which can be directly electrified to generate heat, has high liquid guiding speed, large liquid storage capacity and high temperature resistance.
Description
Technical Field
The invention relates to a mixed fiber non-woven felt and a preparation method thereof, in particular to a high-temperature-resistant and high-liquid-conductivity conductive fiber non-woven felt for a liquid-conducting core of an electronic cigarette and a preparation method thereof, and belongs to the technical field of functional fibers.
Background
The electronic cigarette is a product which is used for converting nicotine and the like into steam by means of atomization and the like and then enabling a user to suck the steam. The general electronic cigarette mainly comprises a smoke tube for containing nicotine solution, an evaporation and atomization device and a battery 3, wherein the evaporation and atomization device continuously conveys the solution in the smoke tube to a high-temperature resistance wire atomization part through a liquid guide core to convert liquid nicotine into mist, so that a user has a feeling similar to smoking when inhaling, and the 'cloud swallowing and mist spitting' is realized. The earliest liquid guiding cores used cotton fibers basically, and because of flammability and low temperature resistance, the liquid guiding cores were prone to scorching during the pumping process. Other organic fibers have poor liquid absorption and liquid transfer capabilities for nicotine liquids, and are prone to scorching during smoking due to dry burning without a solution.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the liquid guide core of the existing electronic cigarette has the problems of poor temperature resistance and easy scorching.
In order to solve the problems, the invention provides a mixed fiber non-woven felt for a liquid guide core of an electronic cigarette, which is characterized by being formed by mixing metal fibers, pre-oxidized fiber and thermoplastic fiber, and the mass per unit area of the mixed fiber non-woven felt is 80-130g/m2The liquid absorption rate is 1-3 times, and the wicking height is 1-3 cm.
Preferably, the metal fiber is any one of stainless steel fiber and iron-chromium-aluminum fiber. The finer the fibers, the more conducive to improved liquid retention and wicking height, as well as electrical conductivity. However, the metal fibers are too fine, and the web forming property thereof is deteriorated.
Preferably, the thermoplastic fiber is at least one of polyester fiber, polypropylene fiber, nylon fiber, polyethylene fiber, aramid fiber and PPS fiber, and preferably polyester fiber.
Preferably, the weight ratio of the metal fibers, the pre-oxidized fiber and the thermoplastic fiber is 7:2:1-5:3: 2. The higher the content of metal fibers, the lower the resistance of the liquid-conducting core.
Preferably, the cross section of the pre-oxidized fiber is profiled, so that the wicking height of the liquid guide core is improved.
The invention also provides a preparation method of the mixed fiber non-woven felt for the liquid guide core of the electronic cigarette, which is characterized by comprising the following steps of:
step 1): adding metal fiber, pre-oxidized fiber and thermoplastic fiber into a mixed opener according to a certain proportion, opening and uniformly mixing, and then feeding into an air-laid machine set to obtain the product with the mass per unit area of 80-130g/m2AwningLoosely mixed fiber webs;
step 2): sending the fluffy mixed fiber net into a spunlace unit for entanglement and reinforcement, and drying to obtain a mixed fiber felt;
step 3): putting the mixed fiber felt into a drying oven for drying;
step 4): and (4) putting the dried mixed fiber felt into a rolling mill for rolling, and taking out to obtain the mixed fiber non-woven felt for the liquid guide core of the electronic cigarette.
Preferably, the hydro-entangled unit in the step 2) is reinforced by 5 pressurizing hydro-entangled processes, and the pressure is 2-3MPa, 5-7MPa, 7-10MPa and 3-5MPa in sequence.
Preferably, the set temperature of the oven in the step 3) is the melting point T of the thermoplastic fibersmDrying at + -10 deg.C for 2-4 min. The temperature and time of the oven are reasonably controlled to adjust the melting degree of the thermoplastic fiber, so that the liquid guiding core meeting the liquid absorbing and guiding performances is obtained.
Preferably, the pressure of the rolling mill in the step 4) is 3-5MPa, and the rolling time is 0.5-1 min. The rolling pressure and time are reasonably controlled to adjust the porosity of the fiber felt, so that the liquid guide core meeting the liquid absorption and guide performances is obtained.
The invention utilizes the temperature resistance and the electrical conductivity of the metal fiber, the temperature resistance and the better forming processability of the pre-oxidized fiber and the hot melting adhesiveness of the thermoplastic fiber at high temperature to mix the three fibers into a net and then sequentially reinforce the net by three methods to form the electronic cigarette liquid guiding core material which can be directly electrified to generate heat, has high liquid guiding speed, large liquid storage capacity and high temperature resistance.
Detailed Description
In order to make the invention more comprehensible, preferred embodiments are described in detail below.
Example 1
Stainless steel fibers (with the diameter of 28 microns and the length of 50 millimeters), pre-oxidized fiber (with the fineness of 1.7dtex and the length of 38 millimeters) and polyester (with the fineness of 1.56dtex and the length of 42 millimeters) are added into a mixing opener according to the blending ratio of 7:2:1, the fibers are opened and mixed uniformly and then enter an air-laid machine set, and a fluffy mixed fiber net with the mass of 100g/m2 per unit area is prepared by optimizing process parameters.
Sending the fluffy mixed fiber net into a spunlace unit for entanglement and reinforcement, wherein the 5-step process pressure sequentially comprises the following steps: 3MPa, 7MPa, 10MPa and 4MPa, and drying to obtain the mixed fiber felt with certain dimensional stability.
Further placing the mixed fiber felt into an oven, setting the temperature of the oven to be 260 ℃ and the drying time to be 2 min. And (3) taking the heated mixed fiber felt out of the oven, immediately rolling in a rolling mill, controlling the pressure of the rolling mill to be 3MPa and the time to be 1min, and taking out to obtain the mixed fiber non-woven felt for the liquid guide core of the electronic cigarette. The absorption capacity was 1 fold and the wicking height was 1 cm.
Example 2
Adding stainless steel fiber (diameter of 28 micrometers and length of 50 mm), preoxidized fiber (fineness of 1.5dtex and length of 38mm) and terylene (fineness of 0.96dtex and length of 42mm) into a mixed opener according to a blending ratio of 5:3:2, opening and mixing uniformly, then feeding into an air-laid machine set, and preparing the product with the mass per unit area of 80g/m by optimizing process parameters2The lofty commingled fibrous web of (a).
Sending the fluffy mixed fiber net into a spunlace unit for entanglement and reinforcement, wherein the 5-step process pressure sequentially comprises the following steps: 2MPa, 5MPa, 7MPa, 10MPa and 3MPa, and drying to obtain the mixed fiber felt with certain dimensional stability.
Further placing the mixed fiber felt into an oven, setting the temperature of the oven to be 250 ℃, and drying for 4 min. And taking the heated mixed fiber felt out of the oven, immediately rolling in a rolling mill, controlling the pressure of the rolling mill to be 5MPa and the time to be 0.5min, and taking out to obtain the mixed fiber non-woven felt for the liquid guide core of the electronic cigarette. The liquid absorption rate was 2.5 times, and the wicking height was 2 cm.
Example 3
Adding iron-chromium-aluminum fiber (diameter is 8 micrometers and length is 30 millimeters), special-shaped section pre-oxidized fiber (fineness is 1.5dtex and length is 38 millimeters) and polypropylene fiber (fineness is 1.56dtex and length is 38 millimeters) into a mixing opener according to a blending ratio of 5.5:3:1.5, opening and mixing uniformly, and introducing airThe unit area mass of the fluid net forming machine set is 130g/m by optimizing the process parameters2The lofty commingled fibrous web of (a).
Sending the fluffy mixed fiber net into a spunlace unit for entanglement and reinforcement, wherein the 5-step process pressure sequentially comprises the following steps: 2MPa, 5MPa, 10MPa and 4MPa, and drying to obtain the mixed fiber felt with certain dimensional stability.
Further placing the mixed fiber felt into an oven, setting the temperature of the oven to be 170 ℃, and drying for 3 min. And taking the heated mixed fiber felt out of the oven, immediately rolling in a rolling mill, controlling the pressure of the rolling mill to be 4MPa and the time to be 0.5min, and taking out to obtain the mixed fiber non-woven felt for the liquid guide core of the electronic cigarette. The liquid absorption rate was 3 times, and the wicking height was 3 cm.
Claims (9)
1. The mixed fiber non-woven felt for the liquid guide core of the electronic cigarette is characterized by being formed by mixing metal fibers, pre-oxidized fiber and thermoplastic fiber, and the mass per unit area of the mixed fiber non-woven felt is 80-130g/m2The liquid absorption rate is 1-3 times, and the wicking height is 1-3 cm.
2. The mixed fiber non-woven felt for the liquid guide core of the electronic cigarette according to claim 1, wherein the metal fiber is any one of stainless steel fiber and iron-chromium-aluminum fiber.
3. The mixed fiber non-woven felt for the liquid guide core of the electronic cigarette according to claim 1, wherein the thermoplastic fiber is at least one of polyester, polypropylene, nylon, polyethylene, aramid and PPS fiber.
4. The mixed fiber non-woven felt for the liquid guide core of the electronic cigarette according to claim 1, wherein the weight ratio of the metal fibers, the pre-oxidized fiber and the thermoplastic fiber is 7:2:1-5:3: 2.
5. The mixed fiber non-woven felt for the liquid guide core of the electronic cigarette according to claim 1, wherein the cross section of the pre-oxidized fiber is irregular.
6. The method for preparing the mixed fiber non-woven felt for the liquid conducting core of the electronic cigarette according to any one of the claims 1 to 5, which is characterized by comprising the following steps:
step 1): adding metal fiber, pre-oxidized fiber and thermoplastic fiber into a mixed opener according to a certain proportion, opening and uniformly mixing, and then feeding into an air-laid machine set to obtain the product with the mass per unit area of 80-130g/m2The fluffy mixed fiber web of (a);
step 2): sending the fluffy mixed fiber net into a spunlace unit for entanglement and reinforcement, and drying to obtain a mixed fiber felt;
step 3): putting the mixed fiber felt into a drying oven for drying;
step 4): and (4) putting the dried mixed fiber felt into a rolling mill for rolling, and taking out to obtain the mixed fiber non-woven felt for the liquid guide core of the electronic cigarette.
7. The method for preparing the mixed fiber non-woven felt for the liquid guide core of the electronic cigarette according to claim 6, wherein the hydro-entangled unit in the step 2) is reinforced by 5 pressurizing processes, and the pressures are 2-3MPa, 5-7MPa, 7-10MPa and 3-5MPa in sequence.
8. The method for preparing the mixed fiber non-woven felt for the liquid conducting core of the electronic cigarette according to claim 6, wherein the set temperature of the oven in the step 3) is the melting point T of the thermoplastic fibermDrying at + -10 deg.C for 2-4 min.
9. The method for preparing the mixed fiber non-woven felt for the liquid conducting core of the electronic cigarette according to claim 6, wherein the pressure of the rolling mill in the step 4) is 3-5MPa, and the rolling time is 0.5-1 min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910986847.4A CN110670241B (en) | 2019-10-17 | 2019-10-17 | Mixed fiber non-woven felt for liquid guide core of electronic cigarette and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910986847.4A CN110670241B (en) | 2019-10-17 | 2019-10-17 | Mixed fiber non-woven felt for liquid guide core of electronic cigarette and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN110670241A true CN110670241A (en) | 2020-01-10 |
| CN110670241B CN110670241B (en) | 2024-03-29 |
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| CN201910986847.4A Active CN110670241B (en) | 2019-10-17 | 2019-10-17 | Mixed fiber non-woven felt for liquid guide core of electronic cigarette and preparation method thereof |
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| Country | Link |
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| CN104073973A (en) * | 2014-06-26 | 2014-10-01 | 厦门金纶科技有限公司 | Metal fiber contained non-woven fabric manufacturing process |
| CN107373770A (en) * | 2017-08-28 | 2017-11-24 | 云南中烟工业有限责任公司 | A kind of tabular oil storage and the electronic cigarette to generate heat |
| CN109198725A (en) * | 2017-06-30 | 2019-01-15 | 效益蒸汽有限公司 | Compound micro- vaporizer core material |
| CN109715876A (en) * | 2016-09-26 | 2019-05-03 | 株式会社巴川制纸所 | Copper fiber non-woven fabrics |
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| CN110150753A (en) * | 2019-04-30 | 2019-08-23 | 伍鹏飞 | Atomizer and electronic cigarette cartridge |
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2019
- 2019-10-17 CN CN201910986847.4A patent/CN110670241B/en active Active
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| CN101160425A (en) * | 2004-12-28 | 2008-04-09 | 欧文科宁知识产权资产有限公司 | Polymer/wucs mat for use in automotive applications |
| DE102007033083A1 (en) * | 2007-07-14 | 2009-01-15 | Kornelia Tebbe | Tobacco substitute and tobacco substitute molding |
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| CN109715876A (en) * | 2016-09-26 | 2019-05-03 | 株式会社巴川制纸所 | Copper fiber non-woven fabrics |
| CN109891016A (en) * | 2017-01-16 | 2019-06-14 | 株式会社巴川制纸所 | Metallic fiber nonwoven fabric |
| CN109198725A (en) * | 2017-06-30 | 2019-01-15 | 效益蒸汽有限公司 | Compound micro- vaporizer core material |
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| CN110150753A (en) * | 2019-04-30 | 2019-08-23 | 伍鹏飞 | Atomizer and electronic cigarette cartridge |
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| Publication number | Publication date |
|---|---|
| CN110670241B (en) | 2024-03-29 |
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