CN108158034A - A kind of preparation method of composite aerogel type cigarette filter tip materials - Google Patents
A kind of preparation method of composite aerogel type cigarette filter tip materials Download PDFInfo
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- CN108158034A CN108158034A CN201711278092.XA CN201711278092A CN108158034A CN 108158034 A CN108158034 A CN 108158034A CN 201711278092 A CN201711278092 A CN 201711278092A CN 108158034 A CN108158034 A CN 108158034A
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- temperature
- filter tip
- cigarette filter
- composite aerogel
- type cigarette
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- 235000019504 cigarettes Nutrition 0.000 title claims abstract description 43
- 239000000463 material Substances 0.000 title claims abstract description 43
- 239000004964 aerogel Substances 0.000 title claims abstract description 26
- 239000002131 composite material Substances 0.000 title claims abstract description 25
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 229910052624 sepiolite Inorganic materials 0.000 claims abstract description 62
- 235000019355 sepiolite Nutrition 0.000 claims abstract description 62
- 239000004113 Sepiolite Substances 0.000 claims abstract description 46
- 229920002125 Sokalan® Polymers 0.000 claims abstract description 40
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical compound OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 32
- 102000003886 Glycoproteins Human genes 0.000 claims abstract description 31
- 108090000288 Glycoproteins Proteins 0.000 claims abstract description 31
- 229960001631 carbomer Drugs 0.000 claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 150000007524 organic acids Chemical class 0.000 claims abstract description 22
- 241000206575 Chondrus crispus Species 0.000 claims abstract description 18
- 238000009777 vacuum freeze-drying Methods 0.000 claims abstract description 7
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 30
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 30
- 239000003513 alkali Substances 0.000 claims description 17
- 238000002156 mixing Methods 0.000 claims description 17
- 102000001621 Mucoproteins Human genes 0.000 claims description 15
- 108010093825 Mucoproteins Proteins 0.000 claims description 15
- 210000002966 serum Anatomy 0.000 claims description 15
- 235000006408 oxalic acid Nutrition 0.000 claims description 10
- LPSKDVINWQNWFE-UHFFFAOYSA-M tetrapropylazanium;hydroxide Chemical compound [OH-].CCC[N+](CCC)(CCC)CCC LPSKDVINWQNWFE-UHFFFAOYSA-M 0.000 claims description 10
- JLPULHDHAOZNQI-ZTIMHPMXSA-N 1-hexadecanoyl-2-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phosphocholine Chemical compound CCCCCCCCCCCCCCCC(=O)OC[C@H](COP([O-])(=O)OCC[N+](C)(C)C)OC(=O)CCCCCCC\C=C/C\C=C/CCCCC JLPULHDHAOZNQI-ZTIMHPMXSA-N 0.000 claims description 9
- 241000282898 Sus scrofa Species 0.000 claims description 9
- 229940083466 soybean lecithin Drugs 0.000 claims description 9
- WLAMNBDJUVNPJU-UHFFFAOYSA-N 2-methylbutyric acid Chemical compound CCC(C)C(O)=O WLAMNBDJUVNPJU-UHFFFAOYSA-N 0.000 claims description 3
- 241000287828 Gallus gallus Species 0.000 claims description 3
- 229940082484 carbomer-934 Drugs 0.000 claims description 3
- 239000008344 egg yolk phospholipid Substances 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 2
- 239000000243 solution Substances 0.000 abstract description 48
- 238000001035 drying Methods 0.000 abstract description 10
- 238000003756 stirring Methods 0.000 abstract description 9
- 238000010521 absorption reaction Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 7
- 239000000126 substance Substances 0.000 abstract description 6
- 150000007530 organic bases Chemical class 0.000 abstract description 4
- 239000003205 fragrance Substances 0.000 abstract description 3
- 238000001914 filtration Methods 0.000 abstract description 2
- 238000002347 injection Methods 0.000 abstract description 2
- 239000007924 injection Substances 0.000 abstract description 2
- 238000001179 sorption measurement Methods 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 description 27
- 239000012141 concentrate Substances 0.000 description 21
- 239000000284 extract Substances 0.000 description 14
- 238000002803 maceration Methods 0.000 description 14
- 239000003546 flue gas Substances 0.000 description 9
- 238000007599 discharging Methods 0.000 description 8
- 239000011521 glass Substances 0.000 description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 7
- 241000208125 Nicotiana Species 0.000 description 7
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 7
- 238000000498 ball milling Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 7
- 238000007710 freezing Methods 0.000 description 7
- 230000008014 freezing Effects 0.000 description 7
- 238000004321 preservation Methods 0.000 description 7
- 238000007873 sieving Methods 0.000 description 7
- 239000007788 liquid Substances 0.000 description 6
- XKLJHFLUAHKGGU-UHFFFAOYSA-N nitrous amide Chemical compound ON=N XKLJHFLUAHKGGU-UHFFFAOYSA-N 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 239000000499 gel Substances 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- SNICXCGAKADSCV-JTQLQIEISA-N (-)-Nicotine Chemical compound CN1CCC[C@H]1C1=CC=CN=C1 SNICXCGAKADSCV-JTQLQIEISA-N 0.000 description 1
- POCJOGNVFHPZNS-ZJUUUORDSA-N (6S,7R)-2-azaspiro[5.5]undecan-7-ol Chemical class O[C@@H]1CCCC[C@]11CNCCC1 POCJOGNVFHPZNS-ZJUUUORDSA-N 0.000 description 1
- -1 Dichlorodiphenyl Acetate Chemical compound 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 108091034117 Oligonucleotide Proteins 0.000 description 1
- 244000131316 Panax pseudoginseng Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 150000004982 aromatic amines Chemical class 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 125000000837 carbohydrate group Chemical group 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000005802 health problem Effects 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910001425 magnesium ion Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical group 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000214 mouth Anatomy 0.000 description 1
- 229960002715 nicotine Drugs 0.000 description 1
- SNICXCGAKADSCV-UHFFFAOYSA-N nicotine Natural products CN1CCCC1C1=CC=CN=C1 SNICXCGAKADSCV-UHFFFAOYSA-N 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000008506 pathogenesis Effects 0.000 description 1
- 239000002304 perfume Substances 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000000391 smoking effect Effects 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/02—Manufacture of tobacco smoke filters
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/06—Use of materials for tobacco smoke filters
- A24D3/067—Use of materials for tobacco smoke filters characterised by functional properties
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Seasonings (AREA)
Abstract
The invention discloses a kind of preparation methods of composite aerogel type cigarette filter tip materials, belong to filtering material preparing technical field.Ultrasonic immersing after the present invention first mixes sepiolite with organic acid soln, again through being concentrated under reduced pressure, drying, roasting, sepiolite must be pre-processed, pretreatment sepiolite is reacted with organic base again, it is concentrated under reduced pressure, dry modified meerschaum, then carbomer, phosphatide and carragheen are added to the water, after ultrasonic disperse, glycoprotein is added, constant temperature is stirred to react, and obtains mixed liquor, it again will be in injection mold after modified meerschaum and the stirring of mixed liquor constant temperature, the vacuum freeze drying after low temperature is pre-chilled is demoulded to get composite aerogel type cigarette filter tip materials.Composite aerogel type cigarette filter tip materials prepared by technical solution of the present invention have excellent absorption property, to the adsorption effect outstanding feature of harmful substance in cigarette, and with preferable mechanical property, and can retain the fragrance of cigarette.
Description
Technical field
The invention discloses a kind of preparation methods of composite aerogel type cigarette filter tip materials, belong to filtering material preparation
Technical field.
Background technology
Cigarette filter initial design is that cigarette paper sticks on lip and prevent pipe tobacco from sucking oral cavity when aspirating in order to prevent.
But after researcher issues in relation to the epidemiological study result that Smoking is harmful to your health, consumer's Dichlorodiphenyl Acetate fibrous filter end
The accreditation of face appearance and tar reduction effect causes the cellulose acetate filter market share to steeply rise, and filter tip becomes the indispensable portion of cigarette
Point.As society is to the growing interest smoked with health problem, tobacco business scientific research personnel is in filter material modification and exploitation, filter tip ginseng
Numerous studies, the filter tip reducing tar and reducing harm skill of exploitation are carried out in the fields such as number optimization, filter structures design and additives of filter tip technology
Art significantly reduces tarry matters in smoke, harmful components burst size, wherein filter tip Parameters Optimal Design, groove filter tip technology, activity
Charcoal particle filter tip technology, ventilation filter tip technology etc. are applied increasingly extensively, and in reducing tar and reducing harm and show cigarette on cigarette product
Play an important roll on Brand characteristic.At present, the filter tip retention efficiency in relation to the flue gases conventional ingredient such as cigarette smoke nicotine, tar
Research more have been reported that, but main harmful components, especially tobacco-specific nitrosamine in related flue gas（TSNAs）Filter tip retention effect
The rare report of research of rate.The pathogenesis of TSNAs is tentatively illustrated in recent years.But some critical problems according to
So failing to solve, the formation mechenism of TSNAs not yet thoroughly illustrates, and to the technology of nitrosamine in flue gas of how degrading, though have one
It is a little to break through, at present still without well solving.At present, to reduce TSNAs using physical technique more.Conventional method is by rolling up
It is metal oxide-loaded that 2%~5% is added in cigarette pipe tobacco（The oxide of magnesium, zinc, iron, manganese etc.）Zeolite, to reduce mainstream and side
Flow the nitrosamine total amount in flue gas.Sub- wait is worn to extract a variety of ketone, phenols and its derivative from pteridophyte natural plants and obtain
Compound additive is made an addition to 0.008% ratio in cigarette filter or pipe tobacco, a variety of condensed-nuclei aromatics in main flume, from
Also there is reduction by the carcinogenic content such as base and aromatic amine, also have certain scavenging effect to TSNAs in flue gas, but remove effect
Fruit is still barely satisfactory.
Therefore, the shortcomings that how improving conventional cigarette filter-tip material absorption property and bad mechanical property, to obtain more
The cigarette filter tip materials of high combination property are that it is promoted and applies, meet industrial production demand urgent problem to be solved.
Invention content
The present invention solves the technical problem of：For conventional cigarette filter-tip material absorption property and mechanical property not
The shortcomings that good, provides a kind of preparation method of composite aerogel type cigarette filter tip materials.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is：
（1）It is 1 in mass ratio by sepiolite and organic acid soln：10~1：After 20 mixing, ultrasonic immersing, then through being concentrated under reduced pressure,
Dry, roasting obtains pretreatment sepiolite；
（2）It is 1 in mass ratio that sepiolite, which will be pre-processed, with organic alkali solution：10~1：After 15 mixing, constant temperature is stirred to react, then is passed through
It is concentrated under reduced pressure, it is dry, obtain modified meerschaum；
（3）It counts in parts by weight, takes 30~40 parts of carbomers, 8~10 parts of glycoprotein, 6~8 parts of phosphatide, 4~6 parts of OK a karaoke clubs successively
Carbomer, phosphatide and carragheen, are first added to the water by glue, 200~300 parts of water, after ultrasonic disperse, add glycoprotein, constant temperature
It is stirred to react, obtains mixed liquor；
（4）It is 1 in mass ratio：8~1：After 10 are stirred modified meerschaum and mixed liquor constant temperature, inject in mold, then pass through
After low temperature precooling, vacuum freeze drying is demoulded to get composite aerogel type cigarette filter tip materials.
Step（1）It is 3 in mass ratio by oxalic acid, citric acid and water that the organic acid soln, which is,：1：20 are configured.
Step（2）The organic alkali solution is the tetrapropylammonium hydroxide solution that mass fraction is 10~15%.
Step（3）The carbomer is carbomer 910, any one in carbomer 934 or Acritamer 940.
Step（3）The glycoprotein is any one in Swine serum mucoprotein, cow's serum mucoprotein or chicken serum mucoprotein
Kind.
Step（3）The phosphatide is any one in soybean lecithin or egg lecithin.
Step（4）The low temperature is pre-chilled：Under the conditions of temperature is -30~-28 DEG C, 6~8h is pre-chilled.
The beneficial effects of the invention are as follows：
（1）Technical solution of the present invention is by preparing a kind of filter-tip material of aerogel type, wherein containing having excellent adsorptivity
The active ingredients such as sepiolite, carbomer, glycoprotein, the carragheen of energy, in preparation process, first, utilize organic acid and Hai Pao
Stone carries out ultrasonic immersing, and hydrogen ion in acid solution is made to replace magnesium ion in sepiolite skeleton, connects sepiolite crystals channel
It is logical, sepiolite specific surface area is made effectively to be promoted, and coordinate roasting, organic acid, which decomposes, in roasting process, in hole generates gas, can
Sepiolite pore structure is further enriched, so as to improve its absorption property, tetrapropylammonium hydroxide is recycled to carry out sepiolite
It is modified, make sepiolite skeleton structure that part desiliconization occur, non-skeleton silicon migration in system is made to be tied again to surface, and on surface
Crystalline substance enables system internal gutter to dredge, and activated centre is exposed, and surface is regular, in addition, cooperation concentration and drying, make
Organic base is deposited in sepiolite skeleton structure, and during being stirred to react with carbomer, organic base can be with carboxylic acid in carbomer
Group combines, and makes to form gel inside system, and the use of carbomer can be with saccharide residue on glycoprotein oligonucleotide chain in system
Hydrogen bond is formed, stronger mucous gels network is formed, so as to improve the mechanical property of gel rubber system and absorption property；
（2）The organic base used in technical solution of the present invention can decompose, after decomposition under flue gas heat effect in use
Reactivate acidic-group active in carbomer, so as to largely adsorb the harmful substances such as tar, nitrosamine in flue gas, separately
Outside, the salt fog that result of combustion of tobacco generates is made of a large amount of microlayer models, it often exists with suspension gaseous state, and the bands such as phosphatide, glycoprotein
There is the addition of the substance of positive and negative charge, suspension gas particles can be made to reunite, and fixed and adsorb by system, and the technology of the present invention
Each component retains the fragrance of cigarette with the use of alternative absorption harmful substances from flue gases in scheme.
Specific embodiment
It is 3 in mass ratio：1：20 pour into oxalic acid, citric acid and water in beaker, with glass bar stirring and dissolving 20~
30min obtains organic acid soln；After sepiolite ball milling, 300~500 mesh sieve is crossed, and the sepiolite after sieving and organic acid is molten
Liquid is 1 in mass ratio：10~1：20 mixing after, in supersonic frequency be 45~55kHz, temperature be 45~55 DEG C under the conditions of, ultrasound
Impregnate 1~3h, obtain maceration extract, and gained maceration extract is moved into Rotary Evaporators, in temperature be 65~75 DEG C, pressure for 500~
Under the conditions of 600kPa, 3~5h is concentrated under reduced pressure, obtains No. 1 concentrate, and by No. 1 concentrate of gained in temperature be 85~95 DEG C of conditions
Under, after dry 2~4h, tube furnace is transferred to, under the conditions of temperature is 350~400 DEG C, heat preservation 45~60min of roasting, furnace cooling
To room temperature, discharging obtains pretreatment sepiolite；It is 1 in mass ratio that sepiolite and organic alkali solution, which will then be pre-processed,：10~1：15
It is 45~55 DEG C in temperature after mixing, under the conditions of rotating speed is 400~600r/min, constant temperature is stirred to react 2~4h, obtains reaction solution,
And gained reaction solution is moved into Rotary Evaporators, it is 75~85 DEG C in temperature, under the conditions of pressure is 600~700kPa, decompression is dense
Contract 3~5h, obtains No. 2 concentrates, and by No. 2 concentrates of gained be 85~90 DEG C in temperature under the conditions of dry 2~4h, sea must be modified
Afrodite；It counts in parts by weight, takes 30~40 parts of carbomers successively, 8~10 parts of glycoprotein, 6~8 parts of phosphatide, 4~6 parts of carragheens,
200~300 parts of water, first pour into carbomer, phosphatide, carragheen and water in reaction kettle, in temperature be 65~75 DEG C, supersonic frequency
Under the conditions of 45~55kHz, after 2~4h of ultrasonic disperse, then glycoprotein is added in into reaction kettle, be 75~85 with after temperature
DEG C, under the conditions of rotating speed is 600~800r/min, constant temperature is stirred to react 3~5h, obtains mixed liquor；It is 1 in mass ratio：8~1：10 will
Modified meerschaum and mixed liquor are poured into batch mixer, in rotating speed be 800~1200r/min, it is permanent under the conditions of temperature is 65~75 DEG C
After temperature is stirred 4~6h, material in batch mixer is injected by syringe in mold, and mold is moved into refrigerator, Yu Wen
Spend be -30~-28 DEG C under the conditions of be pre-chilled 6~8h, then by after precooling mold move into vacuum freezing drying oven, in temperature be -50
~-48 DEG C, under the conditions of pressure is 20~30Pa, 24~36h of vacuum freeze drying, discharging is demoulded to get composite aerogel type perfume
Tobacco filters material.The organic alkali solution is the tetrapropylammonium hydroxide solution that mass fraction is 10~15%.The carbomer
Any one for carbomer 910, in carbomer 934 or Acritamer 940.The glycoprotein is Swine serum mucoprotein, cow's serum
Any one in mucoprotein or chicken serum mucoprotein.The phosphatide is any one in soybean lecithin or egg lecithin
Kind.
Example 1
It is 3 in mass ratio：1：20 pour into oxalic acid, citric acid and water in beaker, with glass bar stirring and dissolving 30min, obtain organic
Acid solution；After sepiolite ball milling, 500 mesh sieve is crossed, and is 1 in mass ratio by the sepiolite after sieving and organic acid soln：20
It is 55kHz in supersonic frequency after mixing, under the conditions of temperature is 55 DEG C, ultrasonic immersing 3h obtains maceration extract, and by gained maceration extract
Rotary Evaporators are moved into, is 75 DEG C in temperature, under the conditions of pressure is 600kPa, 5h is concentrated under reduced pressure, obtains No. 1 concentrate, and by institute
No. 1 concentrate is obtained under the conditions of temperature is 95 DEG C, after dry 4h, is transferred to tube furnace, under the conditions of temperature is 400 DEG C, heat preservation roasts
60min is burnt, cools to room temperature with the furnace, discharges, obtains pretreatment sepiolite；Sepiolite then will be pre-processed and organic alkali solution presses matter
Amount is than being 1：It is 55 DEG C in temperature after 15 mixing, under the conditions of rotating speed is 600r/min, constant temperature is stirred to react 4h, obtains reaction solution, and
By gained reaction solution move into Rotary Evaporators, in temperature be 85 DEG C, pressure be 700kPa under the conditions of, be concentrated under reduced pressure 5h, obtain No. 2 it is dense
Contracting liquid, and be 4h dry under the conditions of 90 DEG C in temperature by No. 2 concentrates of gained, obtain modified meerschaum；It counts in parts by weight, successively
Take 40 parts of carbomers, 10 parts of glycoprotein, 8 parts of phosphatide, 6 parts of carragheens, 300 parts of water, first by carbomer, phosphatide, carragheen and water
It pours into reaction kettle, is 75 DEG C in temperature, under the conditions of supersonic frequency is 55kHz, after ultrasonic disperse 4h, then is added in into reaction kettle
Glycoprotein, with being 85 DEG C after temperature, under the conditions of rotating speed is 800r/min, constant temperature is stirred to react 5h, obtains mixed liquor；In mass ratio
It is 1：10 pour into modified meerschaum and mixed liquor in batch mixer, in rotating speed be 1200r/min, it is permanent under the conditions of temperature is 75 DEG C
After temperature is stirred 6h, material in batch mixer is injected by syringe in mold, and mold is moved into refrigerator, in temperature
8h is pre-chilled under the conditions of being -28 DEG C, then the mold after precooling is moved into vacuum freezing drying oven, is -48 DEG C in temperature, pressure is
Under the conditions of 30Pa, vacuum freeze drying 36h, discharging is demoulded to get composite aerogel type cigarette filter tip materials.It is described organic
Aqueous slkali is the tetrapropylammonium hydroxide solution that mass fraction is 15%.The carbomer is carbomer 910.The glycoprotein is
Swine serum mucoprotein.The phosphatide is soybean lecithin.
Example 2
It is 3 in mass ratio：1：20 pour into oxalic acid, citric acid and water in beaker, with glass bar stirring and dissolving 30min, obtain organic
Acid solution；It will count in parts by weight, and take 40 parts of carbomers successively, 10 parts of glycoprotein, 8 parts of phosphatide, 6 parts of carragheens, 300 parts of water,
First carbomer, phosphatide, carragheen and water are poured into reaction kettle, is 75 DEG C in temperature, under the conditions of supersonic frequency is 55kHz, surpasses
After sound dispersion 4h, then glycoprotein is added in into reaction kettle, with being 85 DEG C after temperature, under the conditions of rotating speed is 800r/min, constant temperature
5h is stirred to react, obtains mixed liquor；It is 1 in mass ratio：10 pour into modified meerschaum and mixed liquor in batch mixer, are in rotating speed
Material in batch mixer under the conditions of temperature is 75 DEG C, after constant temperature is stirred 6h, is injected mold by 1200r/min by syringe
In, and mold is moved into refrigerator, 8h is pre-chilled under the conditions of being -28 DEG C in temperature, then the mold after precooling is moved into vacuum refrigeration
Drying box is -48 DEG C in temperature, and under the conditions of pressure is 30Pa, vacuum freeze drying 36h, discharging is demoulded to get compound airsetting
Glue-type cigarette filter tip materials.The organic alkali solution is the tetrapropylammonium hydroxide solution that mass fraction is 15%.The card wave
Nurse is carbomer 910.The glycoprotein is Swine serum mucoprotein.The phosphatide is soybean lecithin.
Example 3
It is 3 in mass ratio：1：20 pour into oxalic acid, citric acid and water in beaker, with glass bar stirring and dissolving 30min, obtain organic
Acid solution；After sepiolite ball milling, 500 mesh sieve is crossed, and is 1 in mass ratio by the sepiolite after sieving and organic acid soln：20
It is 55kHz in supersonic frequency after mixing, under the conditions of temperature is 55 DEG C, ultrasonic immersing 3h obtains maceration extract, and by gained maceration extract
Rotary Evaporators are moved into, is 75 DEG C in temperature, under the conditions of pressure is 600kPa, 5h is concentrated under reduced pressure, obtains No. 1 concentrate, and by institute
No. 1 concentrate is obtained under the conditions of temperature is 95 DEG C, after dry 4h, is transferred to tube furnace, under the conditions of temperature is 400 DEG C, heat preservation roasts
60min is burnt, cools to room temperature with the furnace, discharges, obtains pretreatment sepiolite；It counts in parts by weight, takes 40 parts of carbomers successively, 10 parts
Glycoprotein, 8 parts of phosphatide, 6 parts of carragheens, 300 parts of water first pour into carbomer, phosphatide, carragheen and water in reaction kettle, Yu Wen
It is 75 DEG C to spend, and under the conditions of supersonic frequency is 55kHz, after ultrasonic disperse 4h, then glycoprotein is added in into reaction kettle, with after temperature
It it is 85 DEG C, under the conditions of rotating speed is 800r/min, constant temperature is stirred to react 5h, obtains mixed liquor；It is 1 in mass ratio：10 will change pretreatment
Sepiolite and mixed liquor are poured into batch mixer, are 1200r/min in rotating speed, under the conditions of temperature is 75 DEG C, constant temperature is stirred 6h
Afterwards, material in batch mixer is injected by syringe in mold, and mold is moved into refrigerator, under the conditions of temperature is -28 DEG C
Be pre-chilled 8h, then by after precooling mold move into vacuum freezing drying oven, in temperature be -48 DEG C, pressure be 30Pa under the conditions of, vacuum
36h is freeze-dried, discharging is demoulded to get composite aerogel type cigarette filter tip materials.The organic alkali solution is mass fraction
For 15% tetrapropylammonium hydroxide solution.The carbomer is carbomer 910.The glycoprotein is Swine serum mucoprotein.It is described
Phosphatide is soybean lecithin.
Example 4
It is 3 in mass ratio：1：20 pour into oxalic acid, citric acid and water in beaker, with glass bar stirring and dissolving 30min, obtain organic
Acid solution；After sepiolite ball milling, 500 mesh sieve is crossed, and is 1 in mass ratio by the sepiolite after sieving and organic acid soln：20
It is 55kHz in supersonic frequency after mixing, under the conditions of temperature is 55 DEG C, ultrasonic immersing 3h obtains maceration extract, and by gained maceration extract
Rotary Evaporators are moved into, is 75 DEG C in temperature, under the conditions of pressure is 600kPa, 5h is concentrated under reduced pressure, obtains No. 1 concentrate, and by institute
No. 1 concentrate is obtained under the conditions of temperature is 95 DEG C, after dry 4h, is transferred to tube furnace, under the conditions of temperature is 400 DEG C, heat preservation roasts
60min is burnt, cools to room temperature with the furnace, discharges, obtains pretreatment sepiolite；Sepiolite then will be pre-processed and organic alkali solution presses matter
Amount is than being 1：It is 55 DEG C in temperature after 15 mixing, under the conditions of rotating speed is 600r/min, constant temperature is stirred to react 4h, obtains reaction solution, and
By gained reaction solution move into Rotary Evaporators, in temperature be 85 DEG C, pressure be 700kPa under the conditions of, be concentrated under reduced pressure 5h, obtain No. 2 it is dense
Contracting liquid, and be 4h dry under the conditions of 90 DEG C in temperature by No. 2 concentrates of gained, obtain modified meerschaum；It counts in parts by weight, successively
Take 10 parts of glycoprotein, 8 parts of phosphatide, 6 parts of carragheens, 300 parts of water first pour into phosphatide, carragheen and water in reaction kettle, in temperature
It is 75 DEG C, under the conditions of supersonic frequency is 55kHz, after ultrasonic disperse 4h, then glycoprotein is added in into reaction kettle, be with after temperature
85 DEG C, under the conditions of rotating speed is 800r/min, constant temperature is stirred to react 5h, obtains mixed liquor；It is 1 in mass ratio：10 by modified meerschaum
It is poured into batch mixer with mixed liquor, is 1200r/min in rotating speed, under the conditions of temperature is 75 DEG C, after constant temperature is stirred 6h, will mix
Material is injected by syringe in mold in material machine, and mold is moved into refrigerator, and 8h is pre-chilled under the conditions of being -28 DEG C in temperature,
The mold after precooling is moved into vacuum freezing drying oven again, is -48 DEG C in temperature, under the conditions of pressure is 30Pa, vacuum refrigeration is done
Dry 36h, discharging, demoulds to get composite aerogel type cigarette filter tip materials.The organic alkali solution is that mass fraction is 15%
Tetrapropylammonium hydroxide solution.The glycoprotein is Swine serum mucoprotein.The phosphatide is soybean lecithin.
Example 5
It is 3 in mass ratio：1：20 pour into oxalic acid, citric acid and water in beaker, with glass bar stirring and dissolving 30min, obtain organic
Acid solution；After sepiolite ball milling, 500 mesh sieve is crossed, and is 1 in mass ratio by the sepiolite after sieving and organic acid soln：20
It is 55kHz in supersonic frequency after mixing, under the conditions of temperature is 55 DEG C, ultrasonic immersing 3h obtains maceration extract, and by gained maceration extract
Rotary Evaporators are moved into, is 75 DEG C in temperature, under the conditions of pressure is 600kPa, 5h is concentrated under reduced pressure, obtains No. 1 concentrate, and by institute
No. 1 concentrate is obtained under the conditions of temperature is 95 DEG C, after dry 4h, is transferred to tube furnace, under the conditions of temperature is 400 DEG C, heat preservation roasts
60min is burnt, cools to room temperature with the furnace, discharges, obtains pretreatment sepiolite；Sepiolite then will be pre-processed and organic alkali solution presses matter
Amount is than being 1：It is 55 DEG C in temperature after 15 mixing, under the conditions of rotating speed is 600r/min, constant temperature is stirred to react 4h, obtains reaction solution, and
By gained reaction solution move into Rotary Evaporators, in temperature be 85 DEG C, pressure be 700kPa under the conditions of, be concentrated under reduced pressure 5h, obtain No. 2 it is dense
Contracting liquid, and be 4h dry under the conditions of 90 DEG C in temperature by No. 2 concentrates of gained, obtain modified meerschaum；It counts in parts by weight, successively
Take 40 parts of carbomers, 10 parts of glycoprotein, 8 parts of phosphatide, 300 parts of water first pour into carbomer, phosphatide and water in reaction kettle, Yu Wen
It is 75 DEG C to spend, and under the conditions of supersonic frequency is 55kHz, after ultrasonic disperse 4h, then glycoprotein is added in into reaction kettle, with after temperature
It it is 85 DEG C, under the conditions of rotating speed is 800r/min, constant temperature is stirred to react 5h, obtains mixed liquor；It is 1 in mass ratio：10 will modified Hai Pao
Stone and mixed liquor are poured into batch mixer, are 1200r/min in rotating speed, under the conditions of temperature is 75 DEG C, after constant temperature is stirred 6h, are incited somebody to action
Material is injected by syringe in mold in batch mixer, and mold is moved into refrigerator, is pre-chilled under the conditions of being -28 DEG C in temperature
8h, then by after precooling mold move into vacuum freezing drying oven, in temperature be -48 DEG C, pressure be 30Pa under the conditions of, vacuum refrigeration
Dry 36h, discharging are demoulded to get composite aerogel type cigarette filter tip materials.The organic alkali solution is that mass fraction is
15% tetrapropylammonium hydroxide solution.The carbomer is carbomer 910.The glycoprotein is Swine serum mucoprotein.The phosphorus
Fat is soybean lecithin.
Example 6
It is 3 in mass ratio：1：20 pour into oxalic acid, citric acid and water in beaker, with glass bar stirring and dissolving 30min, obtain organic
Acid solution；After sepiolite ball milling, 500 mesh sieve is crossed, and is 1 in mass ratio by the sepiolite after sieving and organic acid soln：20
It is 55kHz in supersonic frequency after mixing, under the conditions of temperature is 55 DEG C, ultrasonic immersing 3h obtains maceration extract, and by gained maceration extract
Rotary Evaporators are moved into, is 75 DEG C in temperature, under the conditions of pressure is 600kPa, 5h is concentrated under reduced pressure, obtains No. 1 concentrate, and by institute
No. 1 concentrate is obtained under the conditions of temperature is 95 DEG C, after dry 4h, is transferred to tube furnace, under the conditions of temperature is 400 DEG C, heat preservation roasts
60min is burnt, cools to room temperature with the furnace, discharges, obtains pretreatment sepiolite；Sepiolite then will be pre-processed and organic alkali solution presses matter
Amount is than being 1：It is 55 DEG C in temperature after 15 mixing, under the conditions of rotating speed is 600r/min, constant temperature is stirred to react 4h, obtains reaction solution, and
By gained reaction solution move into Rotary Evaporators, in temperature be 85 DEG C, pressure be 700kPa under the conditions of, be concentrated under reduced pressure 5h, obtain No. 2 it is dense
Contracting liquid, and be 4h dry under the conditions of 90 DEG C in temperature by No. 2 concentrates of gained, obtain modified meerschaum；It counts in parts by weight, successively
Take 40 parts of carbomers, 8 parts of phosphatide, 6 parts of carragheens, carbomer, phosphatide, carragheen and water first pours into reaction kettle by 300 parts of water
In, it is 75 DEG C in temperature, under the conditions of supersonic frequency is 55kHz, after ultrasonic disperse 4h, with being 85 DEG C after temperature, rotating speed is
Under the conditions of 800r/min, constant temperature is stirred to react 5h, obtains mixed liquor；It is 1 in mass ratio：10 pour into modified meerschaum and mixed liquor
In batch mixer, it is 1200r/min in rotating speed, under the conditions of temperature is 75 DEG C, after constant temperature is stirred 6h, material in batch mixer is led to
It crosses in syringe injection mold, and mold is moved into refrigerator, 8h is pre-chilled, then will be after precooling under the conditions of being -28 DEG C in temperature
Mold moves into vacuum freezing drying oven, is -48 DEG C in temperature, under the conditions of pressure is 30Pa, vacuum freeze drying 36h discharges, and takes off
Mould is to get composite aerogel type cigarette filter tip materials.The organic alkali solution is the tetrapropyl hydroxide that mass fraction is 15%
Ammonium salt solution.The carbomer is carbomer 910.The phosphatide is soybean lecithin.
Example 7
It is 3 in mass ratio：1：20 pour into oxalic acid, citric acid and water in beaker, with glass bar stirring and dissolving 30min, obtain organic
Acid solution；After sepiolite ball milling, 500 mesh sieve is crossed, and is 1 in mass ratio by the sepiolite after sieving and organic acid soln：20
It is 55kHz in supersonic frequency after mixing, under the conditions of temperature is 55 DEG C, ultrasonic immersing 3h obtains maceration extract, and by gained maceration extract
Rotary Evaporators are moved into, is 75 DEG C in temperature, under the conditions of pressure is 600kPa, 5h is concentrated under reduced pressure, obtains No. 1 concentrate, and by institute
No. 1 concentrate is obtained under the conditions of temperature is 95 DEG C, after dry 4h, is transferred to tube furnace, under the conditions of temperature is 400 DEG C, heat preservation roasts
60min is burnt, cools to room temperature with the furnace, discharges, obtains pretreatment sepiolite；Sepiolite then will be pre-processed and organic alkali solution presses matter
Amount is than being 1：It is 55 DEG C in temperature after 15 mixing, under the conditions of rotating speed is 600r/min, constant temperature is stirred to react 4h, obtains reaction solution, and
By gained reaction solution move into Rotary Evaporators, in temperature be 85 DEG C, pressure be 700kPa under the conditions of, be concentrated under reduced pressure 5h, obtain No. 2 it is dense
Contracting liquid, and be 4h dry under the conditions of 90 DEG C in temperature by No. 2 concentrates of gained, obtain modified meerschaum；It counts in parts by weight, successively
Taking 40 parts of carbomers, 10 parts of glycoprotein, 6 parts of carragheens, 300 parts of water first pour into carbomer, carragheen and water in reaction kettle,
In temperature be 75 DEG C, supersonic frequency be 55kHz under the conditions of, after ultrasonic disperse 4h, then glycoprotein is added in into reaction kettle, with after
Temperature is 85 DEG C, and under the conditions of rotating speed is 800r/min, constant temperature is stirred to react 5h, obtains mixed liquor；It is 1 in mass ratio：10 will be modified
Sepiolite and mixed liquor are poured into batch mixer, are 1200r/min in rotating speed, under the conditions of temperature is 75 DEG C, constant temperature is stirred 6h
Afterwards, material in batch mixer is injected by syringe in mold, and mold is moved into refrigerator, under the conditions of temperature is -28 DEG C
Be pre-chilled 8h, then by after precooling mold move into vacuum freezing drying oven, in temperature be -48 DEG C, pressure be 30Pa under the conditions of, vacuum
36h is freeze-dried, discharging is demoulded to get composite aerogel type cigarette filter tip materials.The organic alkali solution is mass fraction
For 15% tetrapropylammonium hydroxide solution.The carbomer is carbomer 910.The glycoprotein is Swine serum mucoprotein.
Comparative example：Take certain commercially available brand cigarette.
The composite aerogel type cigarette filter tip materials of 1 to 7 gained of example and comparative example product are subjected to performance detection, tool
Body detecting method is as follows：
1. absorption property：According to GB/T 19609 to the burst size of tar（Single branch）It is detected；According to GB/T 23228 to Asia
Nitramine class flue gas（Single branch）Burst size be detected；
2. mechanical property：The hardness of test specimen is detected according to YC/T223.2.
Specific testing result is as shown in table 1：
Table 1
By 1 testing result of table it is found that the composite aerogel type cigarette filter tip materials of technical solution of the present invention preparation are with excellent
Absorption property, to the adsorption effect outstanding feature of harmful substance in cigarette, and with preferable mechanical property, and can retain
The fragrance of cigarette has broad prospects in the development of cigarette filter material industry.
Claims (7)
1. a kind of preparation method of composite aerogel type cigarette filter tip materials, it is characterised in that specifically preparation process is：
（1）It is 1 in mass ratio by sepiolite and organic acid soln：10~1：After 20 mixing, ultrasonic immersing, then through being concentrated under reduced pressure,
Dry, roasting obtains pretreatment sepiolite；
（2）It is 1 in mass ratio that sepiolite, which will be pre-processed, with organic alkali solution：10~1：After 15 mixing, constant temperature is stirred to react, then is passed through
It is concentrated under reduced pressure, it is dry, obtain modified meerschaum；
（3）It counts in parts by weight, takes 30~40 parts of carbomers, 8~10 parts of glycoprotein, 6~8 parts of phosphatide, 4~6 parts of OK a karaoke clubs successively
Carbomer, phosphatide and carragheen, are first added to the water by glue, 200~300 parts of water, after ultrasonic disperse, add glycoprotein, constant temperature
It is stirred to react, obtains mixed liquor；
（4）It is 1 in mass ratio：8~1：After 10 are stirred modified meerschaum and mixed liquor constant temperature, inject in mold, then pass through
After low temperature precooling, vacuum freeze drying is demoulded to get composite aerogel type cigarette filter tip materials.
2. a kind of preparation method of composite aerogel type cigarette filter tip materials according to claim 1, it is characterised in that：
Step（1）It is 3 in mass ratio by oxalic acid, citric acid and water that the organic acid soln, which is,：1：20 are configured.
3. a kind of preparation method of composite aerogel type cigarette filter tip materials according to claim 1, it is characterised in that：
Step（2）The organic alkali solution is the tetrapropylammonium hydroxide solution that mass fraction is 10~15%.
4. a kind of preparation method of composite aerogel type cigarette filter tip materials according to claim 1, it is characterised in that：
Step（3）The carbomer is carbomer 910, any one in carbomer 934 or Acritamer 940.
5. a kind of preparation method of composite aerogel type cigarette filter tip materials according to claim 1, it is characterised in that：
Step（3）The glycoprotein is any one in Swine serum mucoprotein, cow's serum mucoprotein or chicken serum mucoprotein.
6. a kind of preparation method of composite aerogel type cigarette filter tip materials according to claim 1, it is characterised in that：
Step（3）The phosphatide is any one in soybean lecithin or egg lecithin.
7. a kind of preparation method of composite aerogel type cigarette filter tip materials according to claim 1, it is characterised in that：
Step（4）The low temperature is pre-chilled：Under the conditions of temperature is -30~-28 DEG C, 6~8h is pre-chilled.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109463796A (en) * | 2018-10-10 | 2019-03-15 | 湖北中烟工业有限责任公司 | A kind of glass fiber toughened composite aerogel and preparation method thereof |
| CN110200317A (en) * | 2019-05-08 | 2019-09-06 | 中山市博海精细化工有限公司 | A kind of low viscosity cigarette filter filler and preparation method |
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| CN101172243A (en) * | 2006-11-01 | 2008-05-07 | 中国石油化工股份有限公司 | Mesoporous material/micropore molecular sieve composite material and preparation method thereof |
| CN102423132A (en) * | 2011-08-15 | 2012-04-25 | 武汉力诚生物科技有限公司 | Plant polysaccharide cigarette filter tip and preparation method thereof |
| CA2871808A1 (en) * | 2012-05-03 | 2013-11-07 | British American Tobacco (Investments) Limited | Improvements in smoking article filters |
| CN107199015A (en) * | 2017-06-29 | 2017-09-26 | 滁州卷烟材料厂 | A kind of preparation method of sepiolite base volume cigarette filter tip adsorbent |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1376433A (en) * | 2001-03-22 | 2002-10-30 | 周永璋 | Molecular sieve for cigarette |
| CN101172243A (en) * | 2006-11-01 | 2008-05-07 | 中国石油化工股份有限公司 | Mesoporous material/micropore molecular sieve composite material and preparation method thereof |
| CN102423132A (en) * | 2011-08-15 | 2012-04-25 | 武汉力诚生物科技有限公司 | Plant polysaccharide cigarette filter tip and preparation method thereof |
| CA2871808A1 (en) * | 2012-05-03 | 2013-11-07 | British American Tobacco (Investments) Limited | Improvements in smoking article filters |
| CN107199015A (en) * | 2017-06-29 | 2017-09-26 | 滁州卷烟材料厂 | A kind of preparation method of sepiolite base volume cigarette filter tip adsorbent |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109463796A (en) * | 2018-10-10 | 2019-03-15 | 湖北中烟工业有限责任公司 | A kind of glass fiber toughened composite aerogel and preparation method thereof |
| CN110200317A (en) * | 2019-05-08 | 2019-09-06 | 中山市博海精细化工有限公司 | A kind of low viscosity cigarette filter filler and preparation method |
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