CN1593270A - Mildew-resistant method for tobacco and its product, and mildew-resistant agent bag - Google Patents
Mildew-resistant method for tobacco and its product, and mildew-resistant agent bag Download PDFInfo
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- CN1593270A CN1593270A CN 200410045017 CN200410045017A CN1593270A CN 1593270 A CN1593270 A CN 1593270A CN 200410045017 CN200410045017 CN 200410045017 CN 200410045017 A CN200410045017 A CN 200410045017A CN 1593270 A CN1593270 A CN 1593270A
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- mildew
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- 241000208125 Nicotiana Species 0.000 title claims abstract description 83
- 235000002637 Nicotiana tabacum Nutrition 0.000 title claims abstract description 83
- 238000000034 method Methods 0.000 title claims abstract description 44
- 235000019504 cigarettes Nutrition 0.000 claims abstract description 92
- 239000003112 inhibitor Substances 0.000 claims description 30
- 239000003795 chemical substances by application Substances 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 21
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical class OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 claims description 14
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- 238000012856 packing Methods 0.000 claims description 10
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- NKHAVTQWNUWKEO-UHFFFAOYSA-N fumaric acid monomethyl ester Natural products COC(=O)C=CC(O)=O NKHAVTQWNUWKEO-UHFFFAOYSA-N 0.000 claims description 5
- NKHAVTQWNUWKEO-NSCUHMNNSA-N monomethyl fumarate Chemical compound COC(=O)\C=C\C(O)=O NKHAVTQWNUWKEO-NSCUHMNNSA-N 0.000 claims description 5
- 229940005650 monomethyl fumarate Drugs 0.000 claims description 5
- LDCRTTXIJACKKU-ONEGZZNKSA-N dimethyl fumarate Chemical group COC(=O)\C=C\C(=O)OC LDCRTTXIJACKKU-ONEGZZNKSA-N 0.000 claims description 3
- 229960004419 dimethyl fumarate Drugs 0.000 claims description 3
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- JBSLOWBPDRZSMB-BQYQJAHWSA-N dibutyl (e)-but-2-enedioate Chemical compound CCCCOC(=O)\C=C\C(=O)OCCCC JBSLOWBPDRZSMB-BQYQJAHWSA-N 0.000 description 2
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Abstract
The process for fungus-proofing disclosed by the invention is characterized by optimized graininess of anti-fungus agent, i.e. 80-140 meshes, and improved method of use, when used for sliced cigarette fungus-proofing, the anti-fungus agent is charged in during the cigarette production process, when used for handle cigarette or end product of cigarette, the anti-fungus agent is placed in sheet shape anti-fungus agent bag, the invention is also characterized by optimized DMF consumption, which is 0.01%-1.0% of the tobacco and related products.
Description
Technical field
The present invention relates to one and grow tobacco and the mold-proof method of goods, especially relate to a kind of method and anti-mildew agent bag that utilizes chemicals tobacco and goods thereof to be carried out mildew-resistant.
Background technology
Tobacco leaf is as the important source material of tobacco industry, during storing in a warehouse, very easily is subjected to the mould infringement, produces to go mouldy, dash and burn, harden, walk the wet goods phenomenon, has a strong impact on quality of tobacco, and causes heavy losses.
At present, both at home and abroad the technology of the tobacco leaf storage mold-proof method of research and development mainly contains: 1, strict temperature and humidity management, adhere to the maintaining process principle of " dehumidifying is main, and cooling is in conjunction with dehumidifying ".This method can only reduce and can not stop the infringement of mould, and very high to the storage conditional request, disposable having high input, and energy resource consumption is big, and complex management, the expense height.2, the oxygen mildew-resistant falls in sealing, is by certain method tobacco bale to be in the anaerobic environment, and fungus growth and breeding on the tobacco leaf are suppressed, and this method also can be used for pest control.But this method has the cost height, and complex operation is unfavorable for shortcomings such as tobacco natural alcoholization.3, radiation mildew-resistant is to utilize gamma-rays radiation tobacco leaf to kill mould.Because its fundamental research is not enough, ray has very big harmfulness to environment and human body, and one-time investment is very big, does not still have commercial Application at present.
Use the chemical anti mildew agent mildew-resistant, drops into for a short time, easy and simple to handle, inhale and distinguish the flavor of but tend to change tobacco, and residue in the tobacco.Because smoking is carried out under the result of combustion of tobacco situation, the mildew-resistant chemicals is as residuing in the tobacco, even itself does not have smell, can not change tobacco and inhale flavor, also might chemical change take place Yin Gaowen, thereby change the suction flavor of tobacco product, even produce harmful material.Thereby for many years, nobody is used for the tobacco mildew-resistant with chemical anti mildew agent.
The chemical anti mildew agent dimethyl fumarate, English name Dimethyl Fumara is called for short DMF, white crystals powder, easily distillation.As far back as 1940, Searle and Tisdale just found that DMF has antibacterial action.The 1980s, the anti-microbial property to DMF has carried out broad research both at home and abroad.1980, Lsiam etc. applied for the United States Patent (USP) (USP4346118) as food, Midew preventive for feed with DMF.At present, DMF is used widely in industries such as feed, food, cosmetics, leathers.
Chinese invention patent ZL98112535.2 number a kind of method that DMF is applied to the tobacco mildew-resistant is at home and abroad disclosed first.
But DMF has excitant to human body skin, and ZL98112535.2 Chinese invention patent disclosed method does not address this problem; Secondly, along with the beating and double roasting The Application of Technology, the sheet cigarette becomes the principal mode of tobacco leaf storage gradually, tobacco bale is very closely knit, according to ZL98112535.2 Chinese invention patent disclosed method, DMF gas is difficult to be penetrated in the sheet cigarette tobacco bale and goes, thereby this method is not suitable for the mildew-resistant of sheet cigarette; Once more, use the mold-proof method of this disclosure of the Invention, the mildew-resistant timeliness was shorter, no longer than 10 months.
Summary of the invention
The objective of the invention is to overcome the defective that above-mentioned prior art exists, provide a kind of chemical anti mildew agent that DMF and other can be had with the similar physicochemical property of DMF to be used to comprise the mildew-resistant of respectively growing tobacco of sheet cigarette and goods thereof, easy to operation, with low cost, the tobacco that the mildew-resistant timeliness is longer and the mold-proof method of goods and anti-mildew agent bag.
Further purpose of the present invention is, provides a kind of on the basis of realizing aforementioned purpose, can also overcome DMF or other similar compound simultaneously to the tobacco of human body skin stimulation and the mold-proof method of goods thereof.
The object of the present invention is achieved like this:
The one, the granularity of preferred DMF.Find after deliberation, DMF granularity 80 orders-14 order is comparatively suitable, preferred size is because of using object difference (sheet cigarette, cigarette, tobacco product etc.) different with using method (adding and non-interpolations) different: the sheet cigarette is 50-30 order (addition type), be used for cigarette, tobacco product and be 30-18 order (mould inhibitor for the dress type, promptly non-addition type) at the sheet cigarette that does not add DMF in process of production.The DMF granularity is thick excessively, after tobacco leaf enters moisture regain, chopping, parch, can not distil fully, has residually in pipe tobacco, influences tobacco quality; The DMF granularity is meticulous, and rate of sublimation is too fast in tobacco leaf, can shorten the timeliness of mildew-resistant.
The 2nd, improve and use method of operating.When being used for the mildew-resistant of sheet cigarette, DMF is added in sheet cigarette production process; For the sheet cigarette or the tobacco product that do not add DMF in the production process, the one side of DMF can being packed into is with ventilative material (routine nonwoven) one side usefulness gas impermeable material (hard paper for example, especially corrugated board sheet) use in sheet (flat) anti-mildew agent bag of making, because this sheet anti-mildew agent bag is simultaneously ventilative, one side is airtight, thereby the distillation diffusion of DMF has very strong directionality, can effectively prolong the mildew-resistant timeliness, and alleviate the stimulation of DMF human body skin.Preferred version is: use air-locked thin-film material (for example plastic film) and/or packing case to pack again; Or on the cigarette buttress, add a cover coverings such as air-locked thin-film material (for example plastic film), rainproof drop cloth; Like this, both helped avoiding the DMF escape of gas, prolonged the mildew-resistant timeliness, helped avoiding of the stimulation of DMF gas again human body skin.
The 3rd, further preferred DMF consumption.More suitable consumption: be generally the 0.01%-1.0% of tobacco and product weight thereof, preferable amount is 0.05%-0.2% (weight); But for the mildew-resistant of sheet cigarette, when DMF is when adding in sheet cigarette production process, suitable addition is 0.03%-0.25% (weight), and preferred addition is 0.05%-0.15% (weight).Suitable consumption has material impact to the mildew-resistant timeliness: very few, can shorten the mildew-resistant timeliness; Too much, in tobacco and goods thereof, may have residually, also may produce spread effect human body skin.
Below respectively to the sheet cigarette, use cigarette, tobacco product mold-proof method of the present invention to do concrete the introduction.
(1) sheet cigarette mold-proof method
In sheet cigarette production process, add DMF
Can manually add, but preferably adopt machine to add, this is safer to the operator, and addition is also more accurate.
Sheet cigarette production line terminal is hydraulic press-packing, above baling press feeds intake line, a DMF automatic ration adder is installed, and automatic ration adder starting switch and baling press are interconnected.When throwing in tobacco leaf toward the baling press dog-house, when baling press brings into operation, the automatic ration adder also with baling press synchronous operation, automatic ration adds DMF in the tobacco leaf of throwing in, addition is 0.03%-0.25% (weight), preferred 0.05%-0.15% (weight).The DMF granularity is 80 orders-14 orders, preferred 50 orders-30 order; Regulate automatic ration adder addition before the driving, but the addition step-less adjustment.The DMF granularity is to regulate in its production process.After the sheet cigarette is accomplished fluently bag, should use air-locked thin-film material (for example plastic film) and/or packing case to pack, this helps preventing that DMF gas from spreading everywhere, prolongs the mildew-resistant timeliness, prevents the stimulation of DMF to human body skin.
Do not add the mold-proof method of the sheet cigarette of DMF in process of production
To processing but do not add the sheet cigarette of mould inhibitor, can adopt following method to prevent to go mouldy: to do the slabbing anti-mildew agent bag, dress DMF in the bag (DMF net content 180g-20g/ bag, preferred 100g/ bag with gas impermeable materials such as gas permeable material such as nonwoven and corrugated papers; DMF granularity 80 orders-14 order, preferred 30 orders-18 order), in the 0.01%-1.0% ratio of quality of tobacco, the ratio of preferred 0.05%-0.2%,, put into smoke box, the permeable one side of DMF is towards tobacco leaf, and impervious one side is towards tank wall.
2, the mildew-resistant of cigarette tobacco leaf
(1) the common mold-proof method that goes mouldy of cigarette tobacco leaf
Need not to dry, in the general depot of deoxidation, cooling, DMF (the net content 80g-20g/ bag that nonwoven is packed, preferred 50g/ bag, DMF granularity 80 orders-14 order, preferred 30 orders-18 order), in the ratio of the 0.01%-1.0% (weight) of tobacco leaf weight, the ratio of preferred 0.05%-0.2% (weight), uniform stationing are placed between the cigarette bundle; Preferred version is to add a cover airtight thin-film material (as plastic film) again on cigarette buttress, and like this, mould inhibitor quantity can reduce 1/4, in the warehouse in the air DMF measure and also can significantly reduce, thereby significantly reduce the stimulation allergy of DMF to human body skin.After putting into DMF in the cigarette heap, need not turn over bag, stacking again, wrap stacking again because of turning over, cause broken leaf breaking to lose and a large amount of labours cost to reduce tobacco leaf.
(2) cigarette mould mold-proof method,
DMF (net content 80g-20g/ bag, preferred 40-60g, more preferably 45-55g will be housed; Granularity 80 orders-14 order, preferred 30 orders-18 order) anti-mildew agent bag, 0.01%-1.0% by quality of tobacco, the ratio of preferred 0.05%-0.3%, evenly cloth be placed on the cigarette buttress the top and around on the frame, use airtight thin-film material (for example plastic film) that the cigarette buttress is covered then, note not covering too sternly, breathe freely.
(3) in the open cigarette stacking tobacco leaf mold-proof method
Complete rebasing thing such as straw mat, Polypropylence Sheet, oilcloth etc. at the bottom of cigarette buttress by common stacking, DMF (net content 80g-20g/ bag, preferred 50g/ bag will be housed; Granularity 80 orders-14 order, preferred 30 orders-18 order) anti-mildew agent bag, in the 0.01%-1.0% ratio of quality of tobacco, the ratio of preferred 0.05%-0.3% is pressed 0.3m on straw mat, Polypropylence Sheet, oilcloth etc.
2One bag of DMF mould inhibitor lay is good, repaves to put cigarette is tied, and all the other DMF mould inhibitors cloth equably are placed in the cigarette buttress, with rainproof drop cloth the cigarette buttress are built then.
3, finished cigarette mold-proof method
(1) the finished cigarette mold-proof method of storing in a warehouse in batches
Generally, the storage condition in the field of circulation is better, is mostly constant temperature and humidity, and the finished cigarette storage to the field of circulation of dispatching from the factory can not gone mouldy in two to three months.But owing to the market reason, can not in time sell away in three months, or the region reason,, go mouldy once crossing the Changjiang river as northern cigarette be sorry the Yellow River, the Changjiang river.In order to prevent that finished cigarette from going mouldy, nonwoven and hard paper are done the slabbing anti-mildew agent bag, interior dress DMF (DMF net content 180g-20g/ sheet, preferred 100g/ sheet; DMF granularity 80 orders-14 order, preferred 30 orders-18 order), press one two of tobacco products, bottom a slice, lid a slice, or packing case one side a slice.The ventilative material face that can see through the DMF mould inhibitor is towards tobacco product, and the gas impermeable material face is towards the packing tank wall.Mould inhibitor granularity 80 orders-14 order, preferred 30 orders-18 order.After installing the mould inhibitor sheet, will cigarette packets install, mildew-resistant is handled the back finished cigarette and be need not to be stored in the constant temperature and humidity warehouse like this, leaves general depot in and gets final product.
(2) loose mail finished cigarette mold-proof method
The cigarette retailer, the cigarette smoker, because of multiple reason, accumulation some cigarette, the sold inside the country consumption of short-term is not gone out, and needs the storage certain hour, and this moment, finished cigarette very easily went mouldy, and its main cause is that storage condition is poor, or high humidity, or draws badly.
With granularity is airtight thin-film material (as the plastic film) bag that two bags of 80 orders-14 purpose DMF (net content 50g/ bag) put into 50 * 110cm, again finished cigarette is also put into bag, two bags of mould inhibitors separately, one bag last one bag down, or one bag at the first from left bag on the right side.The plastic film sack is tightened, and must not breathe freely.As long as also have mould inhibitor in the anti-mildew agent bag, the finished cigarette in the bag film can not go mouldy (generally can guarantee at least 18 months do not go mouldy).
The above DMF can replace with other fumaric acid esters mould inhibitor, for example monomethyl fumarate (MMF), DEF (DEF), fumaric acid dipropyl (DPF), dibutyl fumarate (DBF), monomethyl ester (MEF), fumaric acid list propyl ester (MPF), fumaric acid mono (MBF) etc., they and DMF have many denominators: toxicity is low, the efficient restraining and sterilizing bacteria effect of tool, tool distillation characteristic, can pass through sublimation gases phase sterilization and disinsection, easy to use, no residual hazard, and production cost is low, low price.
Use the present invention to tobacco and goods mildew-resistant thereof, technology is simple and easy to do, and is with low cost, and the mildew-resistant timeliness is longer, and to tobacco and the goods thereof of depositing in the warehouse, the mildew-resistant timeliness can reach 18 months at least; The cigarette air storage, at least also can guarantee not go mouldy in 12 months.Simultaneously can also overcome the spread effect of DMF to human body skin.
Embodiment
The invention will be further described below in conjunction with embodiment.
1 cigarette mildew-resistant of embodiment embodiment
At the hydraulic press-packing of the sheet cigarette production line terminal line that feeds intake, a mould inhibitor automatic ration adder is installed, the starting switch and the baling press of this automatic ration adder are interconnected, synchronous operation.30 purpose DMF are pressed 0.5 ‰, 0.8 ‰, 1 ‰ of sheet cigarette weight directly add in the sheet cigarette, the plastic bag sealing of then the sheet cigarette being packed into is placed a week down in normal temperature, does not add DMF in contrast with same sheet cigarette simultaneously.Above-mentioned processing and contrast tobacco leaf conditioning, chopping, burning are fried, obtain handling and the contrast pipe tobacco.To handle and contrast pipe tobacco and roll, contrast is smoked panel test, and the outward appearance of above-mentioned three concentration is compared with contrast, and the sensory evolution index has obvious difference.
Handle DMF residual quantity testing result in the tobacco leaf with the DMF mildew-resistant, get sheet cigarette 2kg, be divided into two parts, a copy of it is added DMF by 0.8 ‰ ratio of sheet cigarette weight, another part is not added DMF and is made blank.To handle and contrast and use plastic bag sealing, under room temperature, place a week.Moisture regain respectively, chopping, parch obtain handling and the contrast pipe tobacco then.
Get respectively and handle pipe tobacco and contrast pipe tobacco 5.0g, place 250ml pears type separatory funnel,, leave standstill, draw clear liquid and carry out chromatography, compare sample size 0.2ml with standard sample with ethyl acetate extracting 5 minutes.
Chromatographic condition, capillary gas chromatograph, band hydrogen opium ionization assessor, chromatographic column 12m * 0.2mm is coated with the 0V-1 fixer, and column temperature 40-100 ℃, 150 ℃ of sample introduction temperature, 170 ℃ of detector temperatures, pressure 53kpg, distribution ratio: 22, about 7min peak.Through the check of Hunan Province basic organic product quality supervision and inspection granting station, the content of handling DMF in pipe tobacco and the contrast pipe tobacco is zero, has promptly added the sheet cigarette of DMF mould inhibitor, and behind moisture regain, chopping, parch, no DMF is residual in the pipe tobacco.
Because DMF is wrapped in the tobacco bale, the DMF volatilization gas has seldom overcome the spread effect of DMF to human body skin in the storage warehouse.
Anti-mold effect: effective mildew-resistant phase of 0.5 ‰, 0.8 ‰, 1 ‰ that the DMF addition is respectively sheet cigarette weight was respectively 18 months, 20 months, 24 months.Do not add the DMF mould inhibitor, promptly went mouldy in 2 months.
Embodiment 2, the mildew-resistant of cigarette tobacco leaf
The MMF mould inhibitor 50g/ bag that nonwoven is packed, granularity 80 orders, in 0.1% ratio of cigarette tobacco leaf weight, uniform stationing is placed between the cigarette bundle, covers plastic film on the cigarette buttress.After putting into mould inhibitor in the cigarette heap, need not turn over bag, stacking again.Do not go mouldy in 18 months.
Embodiment 3, and the cigarette mould is prevented
Need not to dry, in the general depot of deoxidation, cooling, the DEF50g that nonwoven is packed, granularity 15 orders, in 2.0% ratio of cigarette tobacco leaf weight, evenly cloth be placed on the cigarette buttress the top and around on the frame, with plastic film the cigarette buttress is covered then, note not covering too sternly, breathe freely.Can prevent 20 months mould.
Embodiment 4, in the open the mildew-resistant of cigarette stacking tobacco leaf
Complete rebasing thing such as straw mat, Polypropylence Sheet, oilcloth etc. at the bottom of cigarette buttress, the granularity 60 purpose DMF50g/ bags that nonwoven is packed, in 1.0% ratio of tobacco leaf weight on rebasing things such as straw mat by 0.3m
2One bag of lay is good, repaves to put cigarette is tied, and all the other mould inhibitors cloth equably are placed in the cigarette buttress, with rainproof drop cloth the cigarette buttress are built then, can guarantee that 12 months interior tobacco leaves of cigarette buttress do not go mouldy.
Embodiment 5, do not add the mildew-resistant of DMF mould inhibitor sheet cigarette
Hard papers such as nonwoven and corrugated paper are done the slabbing anti-mildew agent bag, adorn 50 order DMF100g/ sheets in the bag, in 0.1% ratio of tobacco leaf weight, place in the vanning of sheet tobacco bale, the nonwoven one side that can see through DMF gas is towards tobacco leaf, and paper is towards plastic film, chest bottom surface a slice, loam cake a slice.The inventive method can be prevented 24 months no moulds.
Embodiment 6, the finished cigarette mold-proof method
Nonwoven and hard paper are made the mould inhibitor paper bag, in adorn 25 order MEF100g/ sheets, press one two of tobacco products, bottom a slice, lid a slice, or packing case a slice on one side.The nonwoven cloth cover is towards tobacco product, and paper is towards the packing case paper.After installing the mould inhibitor sheet, will cigarette packets install.Mildew-resistant is handled the back finished cigarette and be need not to be stored in the constant temperature and humidity warehouse like this, can guarantee not go mouldy in 18 months.
Embodiment 7, the loose mail finished cigarette
Two bags of plastic film bags of putting into 50 * 110cm of 80 order DMF (net content 50g/ bag) that nonwoven is packed are also put into bag with finished cigarette again, two bags of mould inhibitors separately, one bag last one bag down, or one bag at the first from left bag on the right side.The plastic film sack is tightened, and must not breathe freely.Can guarantee not go mouldy more than 18 months.
Claims (10)
1, one grows tobacco and the mold-proof method of goods, it is characterized in that: it is 80 orders-14 orders that granularity will be housed, weight is the sheet anti-mildew agent bag of the fumaric acid esters mould inhibitor of 180g-20g/ bag, ratio in the 0.01%-1.0% of tobacco and product weight thereof, put into smoke box, anti-mildew agent bag be the one side of ventilative material towards tobacco leaf, for the one side of gas impermeable material towards tank wall.
2, the mold-proof method of tobacco according to claim 1 and goods thereof is characterized in that, the granularity of described fumaric acid esters mould inhibitor is the 30-18 order, and consumption is the 0.05%-0.2% of tobacco and product weight thereof.
3, the mold-proof method of tobacco according to claim 1 and 2 and goods thereof is characterized in that, described fumaric acid esters mould inhibitor is dimethyl fumarate or monomethyl fumarate.
4, one grow tobacco and the mold-proof method of goods, it is characterized in that: quantitatively adding granularity in the tobacco leaf is 80-14 purpose fumaric acid esters mould inhibitor, and addition is the 0.03%-0.25% of tobacco and product weight thereof.
5, the mold-proof method of tobacco according to claim 4 and goods thereof is characterized in that, the granularity of described fumaric acid esters mould inhibitor is the 50-30 order, and consumption is the 0.05%-0.15% of tobacco and product weight thereof.
According to the mold-proof method of claim 4 or 5 described tobaccos and goods thereof, it is characterized in that 6, the tobacco leaf that has added described mould inhibitor re-uses air-locked thin-film material and/or packing case packing.
According to the mold-proof method of claim 4 or 5 described tobaccos and goods thereof, it is characterized in that 7, described fumaric acid esters mould inhibitor is dimethyl fumarate or monomethyl fumarate.
8, one grow tobacco and the mold-proof method of goods, it is characterized in that: it is 80 orders-14 orders that granularity will be housed, the anti-mildew agent bag of fumaric acid esters mould inhibitor net content 80g-20g/ bag, in the ratio of the 0.01%-1.0% of tobacco leaf weight, uniform stationing is placed between the cigarette bundle; On the cigarette buttress, add a cover airtight thin-film material more then.
9, one grow tobacco and the mold-proof method of goods, it is characterized in that: the bottom at the cigarette buttress is completed rebasing thing straw mat or Polypropylence Sheet or oilcloth, it is 80 orders-14 orders that granularity will be housed, the anti-mildew agent bag of fumaric acid esters mould inhibitor net content 80g-20g/ bag, in the ratio of the 0.01%-1.0% of tobacco leaf weight, on straw mat or Polypropylence Sheet or oilcloth, press 0.3m
2One bag of lay is good, repaves to put cigarette is tied, and all the other anti-mildew agent bags cloth equably are placed in the cigarette buttress, with rainproof drop cloth the cigarette buttress are built then.
10, a kind of anti-mildew agent bag is characterized in that: it is the flat anti-mildew agent bag that one side is made with gas impermeable material with ventilative material one side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410045017 CN1290456C (en) | 2004-07-12 | 2004-07-12 | Mildew-resistant method for tobacco and its product, and mildew-resistant agent bag |
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| CN 200410045017 CN1290456C (en) | 2004-07-12 | 2004-07-12 | Mildew-resistant method for tobacco and its product, and mildew-resistant agent bag |
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| CN 200610084296 Division CN1868820A (en) | 2004-07-12 | 2004-07-12 | Tobacco and mildew preventive bag for mildewproop of its product |
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| CN1593270A true CN1593270A (en) | 2005-03-16 |
| CN1290456C CN1290456C (en) | 2006-12-20 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100336475C (en) * | 2005-11-15 | 2007-09-12 | 王春录 | On-situ utilization method of tobacco insect-killing and mould-proof agent |
| CN108065446A (en) * | 2016-11-12 | 2018-05-25 | 贵州嘉利达科技有限公司 | For tobacco storage mildew resistant moistureproof agent and preparation method thereof |
| CN108347994A (en) * | 2015-09-08 | 2018-07-31 | R.J.雷诺兹烟草公司 | The high pressure low temperature pasteurize of tobacco-containing material |
-
2004
- 2004-07-12 CN CN 200410045017 patent/CN1290456C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100336475C (en) * | 2005-11-15 | 2007-09-12 | 王春录 | On-situ utilization method of tobacco insect-killing and mould-proof agent |
| CN108347994A (en) * | 2015-09-08 | 2018-07-31 | R.J.雷诺兹烟草公司 | The high pressure low temperature pasteurize of tobacco-containing material |
| US10869497B2 (en) | 2015-09-08 | 2020-12-22 | R.J. Reynolds Tobacco Company | High-pressure cold pasteurization of tobacco material |
| CN108065446A (en) * | 2016-11-12 | 2018-05-25 | 贵州嘉利达科技有限公司 | For tobacco storage mildew resistant moistureproof agent and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN1290456C (en) | 2006-12-20 |
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