CN105167189B - A kind of compound tow of molecular engram nanofiber and its preparation method and application - Google Patents
A kind of compound tow of molecular engram nanofiber and its preparation method and application Download PDFInfo
- Publication number
- CN105167189B CN105167189B CN201510468622.1A CN201510468622A CN105167189B CN 105167189 B CN105167189 B CN 105167189B CN 201510468622 A CN201510468622 A CN 201510468622A CN 105167189 B CN105167189 B CN 105167189B
- Authority
- CN
- China
- Prior art keywords
- molecular engram
- nanofiber
- cigarette
- preparation
- compound tow
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
Abstract
The invention discloses a kind of compound tow of molecular engram nanofiber and its preparation method and application, wherein, preparation method the following steps are included: (1) in the polymerization reaction system of styrene and function monomer, template molecule niacinamide is added, template molecule niacinamide is removed after polymerization, the molecular engram microsphere with cross-linked structure is obtained, the function monomer is acrylic acid or methacrylic acid；(2) using pipe tobacco as substrate, electrostatic spinning is carried out to the spinning solution containing molecular engram microsphere, obtains the compound tow of molecular engram nanofiber.The compound tow of molecular engram nanofiber disclosed by the invention and cigarette filter can be effectively reduced the burst size of NNK in cigarette mainstream flue gas, compared with the commercial cigarettes filter tip of same specification, NNK in flue gas can be made to reduce by 9~29%.
Description
Technical field
The present invention relates to technical field of cigarettes, and in particular to a kind of compound tow of molecular engram nanofiber and its preparation side
Method and application.
Background technique
Harmful components there are many containing in cigarette smoke, such as carbon monoxide, hydrogen cyanide, 4- methyl nitrosamino group -1- (3- pyridine
Base) -1- butanone (NNK), ammonia, benzo [α] pyrene, phenol, crotonaldehyde etc., wherein NNK is nicotine nitrosylation or micro nicotine
What nitrosylation was formed, be one kind important in tobacco-specific nitrosamine (TSNA), has been reported that and refers to that the metabolism in NNK and its urine produces
Object has special cause lung cancer.
Therefore, one of the important goal that the NNK content in cigarette smoke is Harm reduction techniques tar reduction is reduced.In cigarette smoke
Other compositions are different, and NNK is common existing ingredient in tobacco leaf (especially sunning cigarette) and flue gas, and selectively reducing NNK is
One of the important problem that tobacco business faces.
Tipped with filters is that most directly effective means, filter tip can adsorb cigarette in current Harm reduction techniques tar reduction technology on cigarette
Part harmful components in gas, as retained the total granules in cigarette mainstream flue gas, reducing tar content, absorption harmful substance,
To reduce the harm to human body.
The filter tip being commonly used is prepared by the cellulose acetate or polypropylene tows of some tens of pm size.
Electrostatic spinning is a kind of technology for simply and easily preparing nanofiber, and nanofiber, which is introduced into filter tip, can significantly improve ratio
Surface area enhances the adsorption capacity to most of poisonous and harmful substance.
The patent of invention document of Publication No. CN 1603036 discloses a kind of using electrostatic spinning nano staple fiber and existing
The method that has filter tow directly to mix increases filter area；In the patent of invention document of Publication No. CN 102423141A
In, nano fibrous membrane is first made, is then embedded between original filter tip and cigarette and composite filter tip is made, reduces tar and other
The content of harmful substance.
Recently, the patent of invention document of Publication No. CN 103628253A is direct with tow by Electrospun nano-fibers
It is compound, i.e., directly using tow as base material, nanofiber compound tow is directly formed during electrostatic spinning, is used further to
Filter tip production.Some harmful substances in cigarette mainstream flue gas, and not shadow can be effectively reduced using method disclosed in the document
Ring smoking property of cigarette quality.
In the prior art, there are no the nanofiber that can selectively reduce NNK release amount in cigarette mainstream flue gas is multiple
The document report of plying beam, more not for the technology of production application and technique.
Summary of the invention
The present invention provides a kind of preparation methods of compound tow of molecular engram nanofiber, will contain niacinamide trace position
The nanofiber and pipe tobacco of point are compound, improve the interface bond strength of nanofiber and pipe tobacco, and preparation method is simple,
Suitable for continuous production.
A kind of preparation method of the compound tow of molecular engram nanofiber, comprising the following steps:
(1) in the polymerization reaction system of styrene and function monomer, template molecule niacinamide is added, removes mould after polymerization
Plate molecule niacinamide, obtains the molecular engram microsphere with cross-linked structure, and the function monomer is acrylic acid or metering system
Acid；
(2) using pipe tobacco as substrate, electrostatic spinning is carried out to the spinning solution containing molecular engram microsphere, is obtained described
The compound tow of molecular engram nanofiber.
Molecular engram microsphere containing niacinamide imprinted sites is deposited on cigarette silk using electrostatic spinning technique by the present invention
Beam surface, the compound tow of molecular engram nanofiber being prepared can selectively be greatly reduced in cigarette mainstream flue gas
The burst size of NNK.
In step (1), crosslinking agent, stabilizer, initiator and solvent, styrene, function list are contained in polymerization reaction system
Body, crosslinking agent, stabilizer, initiator, template molecule, solvent mass ratio be 0.5~4:0.1~1:0.2~1.2:0.04~
0.15:0.05~0.4:0.1~1:50.
Crosslinking agent commonly used by the polymerization reaction system of styrene and function monomer (acrylic acid or methacrylic acid),
Initiator, stabilizer and solvent can use, micro- in order to which template molecule niacinamide is well embedded in molecular engram
In ball, and obtain ideal molecular engram microsphere size, it is preferable that the crosslinking agent is divinylbenzene (DVB) or diformazan
Base acrylic acid glycol ester (EGDMA).The stabilizer is polyvinyl alcohol or polyvinylpyrrolidone.The initiator is even
Nitrogen bis-isobutyronitrile or dibenzoyl peroxide.The solvent is water.
The diameter for the molecular engram microsphere that step (1) is prepared is that 500~800nm can be right in this size range
NNK has highest adsorption efficiency.
Preferably, the mass ratio of styrene, function monomer, crosslinking agent, stabilizer, initiator, template molecule, solvent is
0.5~2:0.1~0.5:0.8~1.2:0.04~0.1:0.05~0.2:0.1~0.5:50.
Preferably, polymeric reaction temperature is 70~90 DEG C in step (1).The time of polymerization reaction be 6~for 24 hours.Polymerization
Reaction temperature and polymerization reaction time are different and different according to the composition of polymerization reaction system, are to obtain the microballoon of cross-linked structure
It is quasi-.
It after polymerization reaction, is centrifuged, resulting microballoon is post-processed, to remove niacinamide, obtain
The molecular engram microsphere.Post-processing includes alternately being washed using ethyl alcohol and acetic acid, all carried out after washing every time from
Heart lock out operation, in order to guarantee completely removing for template molecule niacinamide, the washing times of ethyl alcohol and acetic acid are not less than three times.
In step (2), the spinning solution containing molecular engram microsphere is made of molecular engram microsphere, polyethylene alcohol and water, point
The mass ratio of sub- trace microballoon and polyvinyl alcohol is 0.01~0.4:1.
The present invention selects polyvinyl alcohol as spinning polymer, can significantly improve the interface of nanofiber and pipe tobacco
Bond strength makes nanofiber be not easy to fall off from pipe tobacco, avoids generating the wadding that floats in the manufacturing process of cigarette filter.
The present invention selects solvent of the water as spinning solution, guarantee molecular engram site fixed in molecular engram microsphere not by
It destroys, makes the compound tow of the nanofiber finally obtained that there is good selective absorption effect to NNK.
Preferably, the mass ratio of polyethylene alcohol and water is 0.04~0.18:1.
In order to enable electrostatic spinning to go on smoothly, further preferably, the mass ratio of molecular engram microsphere and polyvinyl alcohol
For 0.01~0.2:1.The mass ratio of polyethylene alcohol and water is 0.04~0.18:0.5.
Pipe tobacco uses cellulose acetate tow in the present invention, prepares Nanowire using needleless hair style electrostatic spinning technique
Dimension makes spinning electrode iron wire surface coat a thin layer spinning solution by the reciprocating movement of carrier fluid slot, is more than critical when applying voltage
After value, the spinning solution on spinning electrode iron wire surface is initially formed various taylor cones, is then drawn into very beam jet,
It is dynamic through whip again, form nanofiber.
When step (2) carries out electrostatic spinning, spinning solution is placed in the carrier fluid slot of needleless hair style electrostatic spinning machine, adjusts and spin
The winding rate of silk the distance between electrode iron wire and pipe tobacco (i.e. reception distance), spinning voltage and pipe tobacco, is obtained
Diameter is obtained in the nanofiber of 100~800nm.The diameter of nanofiber refers to the diameter without molecular engram microsphere part.
Preferably, spinning voltage is 10~50kV in step (2), receiving distance is 5~25cm, the volume of pipe tobacco
It is 50~400m/min around rate.
In order to obtain diameter in the nanofiber of 100~400nm, further preferably, in step (2), spinning voltage 35
~50kV, receiving distance is 5~15cm, and the winding rate of pipe tobacco is 50~150m/min.
The present invention uses needleless hair style electrostatic spinning technique, and high production efficiency will not generate the problems such as blocking syringe needle, maintenance
Convenient, enclosed mobile carrier fluid slot ensure that the constant of concentration of dope, can be conducive to continuous big with long-time stable spinning
Large-scale production.
The present invention also provides a kind of compound tow of molecular engram nanofiber obtained using the preparation method, institutes
Stating the compound tow of molecular engram nanofiber includes pipe tobacco and the nanofiber for being deposited on pipe tobacco surface, described to receive
The diameter of rice fiber is 100~800nm.
The nanofiber of appropriate dosage is deposited on pipe tobacco, to obtain optimal NNK removal effect, it is preferable that described
The mass ratio of nanofiber and pipe tobacco is 0.002~0.08:1.
Further preferably, the mass ratio of the nanofiber and pipe tobacco is 0.002~0.04:1.
The compound tow of molecular engram nanofiber provided by the invention has imprinted sites and high-specific surface area, to cigarette cigarette
NNK in gas has good selective absorption effect.
The present invention also provides a kind of cigarette filters, by the compound tow of molecular engram nanofiber and cigarette paper roll
It makes.
Cigarette filter provided by the invention can be effectively reduced the burst size of NNK in cigarette mainstream flue gas, with same specification
Commercial cigarettes filter tip compare, NNK can be made to reduce by 9~29% in flue gas.
Specific embodiment
The present invention is described in more detail by following embodiment, but the embodiment is not constituted to limit of the invention
System.
Embodiment 1
By styrene, methacrylic acid, DVB, polyvinyl alcohol, azodiisobutyronitrile, niacinamide and water in mass ratio 2:
0.5:0.9:0.1:0.2:0.5:50 mixing, and is dispersed with stirring, react 12 hours at 80 DEG C, centrifuge separation, with ethanol washing,
Centrifuge separation, is washed with acetic acid, repeats above-mentioned ethyl alcohol and acetic acid washing process 3 times, is finally centrifugated and is dried at normal temperature,
The molecular engram microsphere with cross-linked structure that average diameter is 650nm is made.
8g polyvinyl alcohol, the above-mentioned molecular engram microsphere of 1.6g and 100g water are configured to uniform spinning solution, wherein polyethylene
The mass ratio of alcohol and water is 0.08, and the mass ratio of molecular engram microsphere and polyvinyl alcohol is 0.2；Adjust spinning electrode iron wire and cigarette
It is 15cm with the distance between tow (i.e. reception distance), adjusting spinning voltage is 35kV, and spinning solution is then placed in needle-less
In the carrier fluid slot of formula electrostatic spinning machine；By pipe tobacco shredding to breadth 25cm, pipe tobacco winding rate is set as 100m/
Min opens power supply to voltage is set, and spinning solution forms diameter and is the nanofiber of 180 ± 20nm, and is deposited on for received
The pipe tobacco surface continuously moved obtains the compound tow of molecular engram nanofiber, wherein nanofiber and pipe tobacco
Mass ratio be 0.021:1.The compound tow of gained molecular engram nanofiber is finally rolled into cigarette on filter-stick forming device
Filter stick, and it is further prepared into sample cigarette.
The sample cigarette rolled is subjected to cigarette smoking reality according to ISO3308 mode using CeruleanSM450 type smoking machine
It tests, the burst size of NNK in measure and calculation main flume.Using the commercial cigarettes of same specification as control cigarette, cigarette filter
It is prepared using cellulose acetate tow, cigarette preparation method and cigarette smoking method are all identical as sample cigarette.It the results are shown in Table 1.
Pumping volume is set as 35mL in suction experiment, and suction time 2s, puff interval 58s, following embodiment is such as
Without specified otherwise, it is all made of identical experiment condition.
Embodiment 2
By styrene, methacrylic acid, DVB, polyvinyl alcohol, azodiisobutyronitrile, niacinamide and water in mass ratio 0.5:
0.1:0.2:0.04:0.05:0.1:50 mixing, and is dispersed with stirring, 6h is reacted at 90 DEG C, is centrifugated, with ethanol washing, from
Heart separation, is washed with acetic acid, repeats above-mentioned ethyl alcohol and acetic acid washing process 3 times, is finally centrifugated and is dried at normal temperature, is made
Obtain the molecular engram microsphere with cross-linked structure that diameter is 500nm.
8g polyvinyl alcohol, the above-mentioned molecular engram microsphere of 1.6g and 100g water are configured to uniform spinning solution, wherein polyethylene
The mass ratio of alcohol and water is 0.08, and the mass ratio of molecular engram microsphere and polyvinyl alcohol is 0.2；Adjust spinning electrode iron wire and silk
The distance between beam is 15cm, and adjusting spinning voltage is 35kV, then spinning solution is placed in the load of needleless hair style electrostatic spinning machine
In liquid bath；By pipe tobacco shredding to breadth 25cm, pipe tobacco winding rate is set as 100m/min, opens power supply to setting
Voltage, spinning solution forms diameter and is the nanofiber of 180 ± 20nm, and is deposited on for the received pipe tobacco continuously moved
Surface obtains the compound tow of molecular engram nanofiber, and wherein the mass ratio of nanofiber and pipe tobacco is 0.021:1.
Finally the compound tow of gained molecular engram nanofiber is rolled into cigarette filter rod on filter-stick forming device, and is further prepared into
Sample cigarette.
The sample cigarette rolled is subjected to cigarette smoking reality according to ISO3308 mode using CeruleanSM450 type smoking machine
It tests, the burst size of NNK in measure and calculation main flume.Using the commercial cigarettes of same specification as control cigarette, cigarette filter
It is prepared using cellulose acetate tow, cigarette preparation method and cigarette smoking method are all identical as sample cigarette.It the results are shown in Table 1.
Embodiment 3
Styrene, acrylic acid, EGDMA, polyvinylpyrrolidone, dibenzoyl peroxide, niacinamide and water are pressed into matter
Amount is mixed than 4:1:1.2:0.15:0.4:1:50, is dispersed with stirring, and is reacted at 70 DEG C for 24 hours, centrifuge separation, with ethanol washing, from
Heart separation, is washed with acetic acid, repeats above-mentioned ethyl alcohol and acetic acid washing process 3 times, is finally centrifugated and is dried at normal temperature, is made
Obtain the molecular engram microsphere with cross-linked structure that diameter is 800nm.
8g polyvinyl alcohol, the above-mentioned molecular engram microsphere of 1.6g and 100g water are configured to uniform spinning solution, wherein polyethylene
The mass ratio of alcohol and water is 0.08, and the mass ratio of molecular engram microsphere and polyvinyl alcohol is 0.2；Adjust spinning electrode iron wire and cigarette
It is 15cm with the distance between tow, adjusting spinning voltage is 35kV, and spinning solution is then placed in needleless hair style electrostatic spinning machine
Carrier fluid slot in；By pipe tobacco shredding to breadth 60cm, pipe tobacco winding rate is set as 100m/min, opens power supply extremely
Voltage is set, spinning solution forms diameter and is the nanofiber of 180 ± 20nm, and is deposited on and uses for the received cigarette continuously moved
Tow surface obtains the compound tow of molecular engram nanofiber, and wherein the mass ratio of nanofiber and pipe tobacco is
0.021:1.Finally the compound tow of gained molecular engram nanofiber is rolled into cigarette filter rod on filter-stick forming device, goes forward side by side one
Step is prepared into sample cigarette.
The sample cigarette rolled is subjected to cigarette smoking reality according to ISO3308 mode using CeruleanSM450 type smoking machine
It tests, the burst size of NNK in measure and calculation main flume.Using the commercial cigarettes of same specification as control cigarette, cigarette filter
It is prepared using cellulose acetate tow, cigarette preparation method and cigarette smoking method are all identical as sample cigarette.It the results are shown in Table 1.
Embodiment 4
By styrene, methacrylic acid, DVB, polyvinyl alcohol, azodiisobutyronitrile, niacinamide and water in mass ratio 2:
0.5:0.9:0.1:0.2:0.5:50 mixing, is dispersed with stirring, 12h is reacted at 80 DEG C, is centrifugated, with ethanol washing, centrifugation
Separation, is washed with acetic acid, repeats above-mentioned ethyl alcohol and acetic acid washing process 3 times, is finally centrifugated and is dried at normal temperature, is made
Average diameter is the molecular engram microsphere with cross-linked structure of 650nm.
4g polyvinyl alcohol, the above-mentioned molecular engram microsphere of 0.8g and 100g water are configured to uniform spinning solution, wherein polyethylene
The mass ratio of alcohol and water is 0.04, and the mass ratio of molecular engram microsphere and polyvinyl alcohol is 0.2；Adjust spinning electrode iron wire and cigarette
It is 5cm with the distance between tow, adjusting spinning voltage is 10kV, and spinning solution is then placed in needleless hair style electrostatic spinning machine
In carrier fluid slot；By pipe tobacco shredding to breadth 60cm, pipe tobacco winding rate is set as 50m/min, unlatching power supply is to setting
Constant voltage, spinning solution forms diameter and is the nanofiber of 100 ± 10nm, and is deposited on for the received cigarette silk continuously moved
Beam surface obtains the compound tow of molecular engram nanofiber, and wherein the mass ratio of nanofiber and pipe tobacco is 0.024:
1.Finally the compound tow of gained molecular engram nanofiber is rolled into cigarette filter rod on filter-stick forming device, and further prepared
At sample cigarette.
The sample cigarette rolled is subjected to cigarette smoking reality according to ISO3308 mode using CeruleanSM450 type smoking machine
It tests, the burst size of NNK in measure and calculation main flume.Using the commercial cigarettes of same specification as control cigarette, cigarette filter
It is prepared using cellulose acetate tow, cigarette preparation method and cigarette smoking method are all identical as sample cigarette.It the results are shown in Table 1.
Embodiment 5
By styrene, methacrylic acid, DVB, polyvinyl alcohol, azodiisobutyronitrile, niacinamide and water in mass ratio 2:
0.5:0.9:0.1:0.2:0.5:50 mixing, is dispersed with stirring, 12h is reacted at 80 DEG C, is centrifugated, with ethanol washing, centrifugation
Separation, is washed with acetic acid, repeats above-mentioned ethyl alcohol and acetic acid washing process 3 times, is finally centrifugated and is dried at normal temperature, is made
Average diameter is the molecular engram microsphere with cross-linked structure of 650nm.
18g polyvinyl alcohol, the above-mentioned molecular engram microsphere of 3.6g and 100g water are configured to uniform spinning solution, wherein polyethylene
The mass ratio of alcohol and water is 0.18, and the mass ratio of molecular engram microsphere and polyvinyl alcohol is 0.2；Adjust spinning electrode iron wire and cigarette
It is 25cm with the distance between tow, adjusting spinning voltage is 50kV, and spinning solution is then placed in needleless hair style electrostatic spinning machine
Carrier fluid slot in；By pipe tobacco shredding to breadth 60cm, pipe tobacco winding rate is set as 50m/min, opens power supply extremely
Voltage is set, spinning solution forms diameter and is the nanofiber of 800 ± 40nm, and is deposited on and uses for the received cigarette continuously moved
Tow surface obtains the compound tow of molecular engram nanofiber, and wherein the mass ratio of nanofiber and pipe tobacco is
0.080:1.Finally the compound tow of gained molecular engram nanofiber is rolled into cigarette filter rod on filter-stick forming device, goes forward side by side one
Step is prepared into sample cigarette.
The sample cigarette rolled is subjected to cigarette smoking reality according to ISO3308 mode using CeruleanSM450 type smoking machine
It tests, the burst size of NNK in measure and calculation main flume.Using the commercial cigarettes of same specification as control cigarette, cigarette filter
It is prepared using cellulose acetate tow, cigarette preparation method and cigarette smoking method are all identical as sample cigarette.It the results are shown in Table 1.
Embodiment 6
By styrene, methacrylic acid, DVB, polyvinyl alcohol, azodiisobutyronitrile, niacinamide and water in mass ratio 2:
0.5:0.9:0.1:0.2:0.5:50 mixing, is dispersed with stirring, 12h is reacted at 80 DEG C, is centrifugated, with ethanol washing, centrifugation
Separation, is washed with acetic acid, repeats above-mentioned ethyl alcohol and acetic acid washing process 3 times, is finally centrifugated and is dried at normal temperature, is made
Average diameter is the molecular engram microsphere with cross-linked structure of 650nm.
8g polyvinyl alcohol, the above-mentioned molecular engram microsphere of 0.08g and 100g water are configured to uniform spinning solution, wherein polyethylene
The mass ratio of alcohol and water is 0.08, and the mass ratio of molecular engram microsphere and polyvinyl alcohol is 0.01；Adjust spinning electrode iron wire with
The distance between pipe tobacco is 15cm, and adjusting spinning voltage is 35kV, and spinning solution is then placed in needleless hair style electrostatic spinning
In the carrier fluid slot of machine；By pipe tobacco shredding to breadth 60cm, pipe tobacco winding rate is set as 100m/min, opens power supply
To setting voltage, spinning solution forms diameter and is the nanofiber of 170 ± 20nm, and is deposited on for the received cigarette continuously moved
With tow surface, the compound tow of molecular engram nanofiber is obtained, wherein the mass ratio of nanofiber and pipe tobacco is
0.023:1.Finally the compound tow of gained molecular engram nanofiber is rolled into cigarette filter rod on filter-stick forming device, goes forward side by side one
Step is prepared into sample cigarette.
The sample cigarette rolled is subjected to cigarette smoking reality according to ISO3308 mode using CeruleanSM450 type smoking machine
It tests, the burst size of NNK in measure and calculation main flume.Using the commercial cigarettes of same specification as control cigarette, cigarette filter
It is prepared using cellulose acetate tow, cigarette preparation method and cigarette smoking method are all identical as sample cigarette.It the results are shown in Table 1.
Embodiment 7
By styrene, methacrylic acid, DVB, polyvinyl alcohol, azodiisobutyronitrile, niacinamide and water in mass ratio 2:
0.5:0.9:0.1:0.2:0.5:50 mixing, is dispersed with stirring, 12h is reacted at 80 DEG C, is centrifugated, with ethanol washing, centrifugation
Separation, is washed with acetic acid, repeats above-mentioned ethyl alcohol and acetic acid washing process 3 times, is finally centrifugated and is dried at normal temperature, is made
Average diameter is the molecular engram microsphere with cross-linked structure of 650nm.
4g polyvinyl alcohol, the above-mentioned molecular engram microsphere of 1.6g and 100g water are configured to uniform spinning solution, wherein polyethylene
The mass ratio of alcohol and water is 0.04, and the mass ratio of molecular engram microsphere and polyvinyl alcohol is 0.4；Adjust spinning electrode iron wire and cigarette
It is 15cm with the distance between tow, adjusting spinning voltage is 35kV, and spinning solution is then placed in needleless hair style electrostatic spinning machine
Carrier fluid slot in；By pipe tobacco shredding to breadth 60cm, pipe tobacco winding rate is set as 400m/min, opens power supply extremely
Voltage is set, spinning solution forms diameter and is the nanofiber of 140 ± 25nm, and is deposited on and uses for the received cigarette continuously moved
Tow surface obtains the compound tow of molecular engram nanofiber, and wherein the mass ratio of nanofiber and pipe tobacco is
0.002:1.Finally the compound tow of gained molecular engram nanofiber is rolled into cigarette filter rod on filter-stick forming device, goes forward side by side one
Step is prepared into sample cigarette.
The sample cigarette rolled is subjected to cigarette smoking reality according to ISO3308 mode using CeruleanSM450 type smoking machine
It tests, the burst size of NNK in measure and calculation main flume.Using the commercial cigarettes of same specification as control cigarette, cigarette filter
It is prepared using cellulose acetate tow, cigarette preparation method and cigarette smoking method are all identical as sample cigarette.It the results are shown in Table 1.
Table 1
| Sample name | NNK release amount ng/cig |
| Embodiment 1 | 2.04 |
| Embodiment 2 | 2.01 |
| Embodiment 3 | 2.15 |
| Embodiment 4 | 1.98 |
| Embodiment 5 | 2.00 |
| Embodiment 6 | 2.49 |
| Embodiment 7 | 2.52 |
| Compare cigarette | 2.79 |
By in table 1 it can be concluded that, using the cigarette filter of the compound tow preparation of molecular engram nanofiber for cigarette master
Flowing the NNK in flue gas has good suction-operated, and the burst size of NNK can at most reduce 0.81ng/cig compared to control cigarette.
Claims (7)
1. a kind of preparation method of the compound tow of molecular engram nanofiber, which comprises the following steps:
(1) in the polymerization reaction system of styrene and function monomer, template molecule niacinamide is added, template point is removed after polymerization
Sub- niacinamide, obtains the molecular engram microsphere with cross-linked structure, and the function monomer is acrylic acid or methacrylic acid；It is poly-
It closes and contains crosslinking agent, stabilizer, initiator and solvent, styrene, function monomer, crosslinking agent, stabilizer, initiation in reaction system
Agent, template molecule, solvent mass ratio be 0.5~4:0.1~1:0.2~1.2:0.04~0.15:0.05~0.4:0.1~1:
50；
(2) using pipe tobacco as substrate, electrostatic spinning is carried out to the spinning solution containing molecular engram microsphere, obtains the molecule
The compound tow of trace nanofiber；In step (2), the spinning solution containing molecular engram microsphere is by molecular engram microsphere, polyethylene
The mass ratio of alcohol and water composition, molecular engram microsphere and polyvinyl alcohol is 0.01~0.4:1.
2. the preparation method of the compound tow of molecular engram nanofiber as described in claim 1, which is characterized in that step (1)
In, polymeric reaction temperature is 70~90 DEG C.
3. the preparation method of the compound tow of molecular engram nanofiber as described in claim 1, which is characterized in that the stabilization
Agent is polyvinyl alcohol or polyvinylpyrrolidone.
4. the preparation method of the compound tow of molecular engram nanofiber as described in claim 1, which is characterized in that polyvinyl alcohol
Mass ratio with water is 0.04~0.18:1.
5. the preparation method of the compound tow of molecular engram nanofiber as described in claim 1, which is characterized in that step (2)
In, spinning voltage is 10~50kV, and receiving distance is 5~25cm, and the winding rate of pipe tobacco is 50~400m/min.
6. a kind of compound tow of molecular engram nanofiber that the preparation method using as described in Claims 1 to 5 is any obtains,
It is characterized in that, the compound tow of molecular engram nanofiber includes pipe tobacco and is deposited on receiving for pipe tobacco surface
Rice fiber, the diameter of the nanofiber are 100~800nm；The mass ratio of the nanofiber and pipe tobacco be 0.002~
0.08:1.
7. a kind of cigarette filter, which is characterized in that by the compound tow of molecular engram nanofiber as claimed in claim 6 and volume
Cigarette paper rolls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510468622.1A CN105167189B (en) | 2015-08-04 | 2015-08-04 | A kind of compound tow of molecular engram nanofiber and its preparation method and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510468622.1A CN105167189B (en) | 2015-08-04 | 2015-08-04 | A kind of compound tow of molecular engram nanofiber and its preparation method and application |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105167189A CN105167189A (en) | 2015-12-23 |
| CN105167189B true CN105167189B (en) | 2019-02-12 |
Family
ID=54890027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510468622.1A Active CN105167189B (en) | 2015-08-04 | 2015-08-04 | A kind of compound tow of molecular engram nanofiber and its preparation method and application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105167189B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106674405B (en) * | 2016-12-09 | 2020-03-24 | 上海烟草集团有限责任公司 | Molecularly imprinted polymer microsphere and preparation method and application thereof |
| CN107226882B (en) * | 2017-05-11 | 2019-09-13 | 佛山科学技术学院 | A kind of surface modification molecular blotting solid phase microextraction probe and its preparation and application |
| CN108669650B (en) * | 2018-03-21 | 2020-11-10 | 云南中烟工业有限责任公司 | Composite material for reducing release amount of smoke crotonaldehyde, and preparation method and application thereof |
| CN108620040A (en) * | 2018-05-08 | 2018-10-09 | 广东省金叶科技开发有限公司 | Preparation method of 3,4- 4-dihydroxy benzaldehyde adsorbents and products thereof and application |
| CN109007950B (en) * | 2018-05-25 | 2021-02-19 | 吉首大学 | Preparation method and application of N-nitrosamine poison composite imprinted sheet |
| CN109554826B (en) * | 2019-01-31 | 2021-04-27 | 福州大学 | Nano electro-spinning membrane with efficient selectivity on amino acid and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101224042A (en) * | 2007-12-21 | 2008-07-23 | 湖南中烟工业有限责任公司 | Molecule printing materials for selectivity reducing cigarette fume TSNA amount and application thereof |
| CN101366551A (en) * | 2008-10-08 | 2009-02-18 | 湖南中烟工业有限责任公司 | Molecular engram material selectively removing TSNA in cigarette flue gas, preparation and application method thereof |
| CN103601855A (en) * | 2013-09-30 | 2014-02-26 | 广东中烟工业有限责任公司 | Molecularly imprinted monodisperse microsphere having specific adsorption for nitrosamine specific to tobacco, preparation method of the microsphere, and applications of the microsphere |
| CN103628253A (en) * | 2013-11-18 | 2014-03-12 | 湖南中烟工业有限责任公司 | Preparation method of functionalized tobacco shred bundles for filter stick and application of preparation method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9198462B2 (en) * | 2011-09-04 | 2015-12-01 | Jalaledin Ghanavi | Nanostructural filter for removing toxic compounds |
-
2015
- 2015-08-04 CN CN201510468622.1A patent/CN105167189B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101224042A (en) * | 2007-12-21 | 2008-07-23 | 湖南中烟工业有限责任公司 | Molecule printing materials for selectivity reducing cigarette fume TSNA amount and application thereof |
| CN101366551A (en) * | 2008-10-08 | 2009-02-18 | 湖南中烟工业有限责任公司 | Molecular engram material selectively removing TSNA in cigarette flue gas, preparation and application method thereof |
| CN103601855A (en) * | 2013-09-30 | 2014-02-26 | 广东中烟工业有限责任公司 | Molecularly imprinted monodisperse microsphere having specific adsorption for nitrosamine specific to tobacco, preparation method of the microsphere, and applications of the microsphere |
| CN103628253A (en) * | 2013-11-18 | 2014-03-12 | 湖南中烟工业有限责任公司 | Preparation method of functionalized tobacco shred bundles for filter stick and application of preparation method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105167189A (en) | 2015-12-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105167189B (en) | A kind of compound tow of molecular engram nanofiber and its preparation method and application | |
| US8602036B2 (en) | Smoking articles enhanced to deliver additives incorporated within electrospun microfibers and nonofibers, and related methods | |
| US20080245376A1 (en) | Process For Making Filter Tow | |
| US7806817B2 (en) | Process for making filter tow | |
| CN105088376B (en) | High compound tow of interfacial-adhesion strength nanofiber and its preparation method and application | |
| CN104159460A (en) | Products of high denier per filament and law total denier tow bands | |
| CN103628253B (en) | A kind of preparation method and applications of filter stick functionalization tow | |
| Khalf et al. | Influence of solvent characteristics in triaxial electrospun fiber formation | |
| CN102423141A (en) | Preparation method for cigarette filter tip adopting electrostatically spun cellulose acetate membrane | |
| CN103625089A (en) | Preparation method and application of nanofiber membrane-modified cellulose molding paper | |
| CN105064131B (en) | A kind of molecular engram nanofiber extrusion coating paper and its preparation method and application | |
| CN106418689A (en) | Cigarette filter tip and preparation method thereof | |
| CN102499478B (en) | Filter tip stick and preparation method thereof | |
| CN107502992B (en) | Fragrant electrospinning film of a kind of load and preparation method thereof | |
| CN102845832B (en) | Cigarette filter and manufacture method thereof and application | |
| CN105155027B (en) | Compound tow of nanofiber of phenol content and its preparation method and application in a kind of reduction flue gas | |
| CN102440436A (en) | Production method of cigarette filter stick capable of selectively adsorbing heavy metal substances in smoke gas | |
| CN105002587B (en) | A kind of organic-inorganic nano fiber composite tow and its preparation method and application | |
| CN102771893B (en) | Tip rod adopting chitosan fiber beams as filter materials and preparation method of tip rod | |
| CN111150094B (en) | Superfine fiber functional filter stick tow with fragrance carrying and smoke phenol content selectively reducing functions and preparation and application thereof | |
| CN111155357B (en) | Superfine fiber functionalized cellulose forming paper with fragrance carrying and smoke phenol content selectively reducing functions and preparation and application thereof | |
| CN203072870U (en) | cigarette filter and cigarette equipped therewith | |
| CN107296298B (en) | A kind of compound tow of vegetable protein nanofiber and its preparation method and application | |
| CN111155358B (en) | Superfine fiber functional paper filter stick base material with fragrance and function of selectively reducing phenol content in smoke and preparation and application thereof | |
| Freyer et al. | Electrospun silica nanofiber mats: effects of sol viscosity and application to thin layer chromatography |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |