CN107589038A - A kind of method of the two-way humid keeping performance of Fast Evaluation humectant - Google Patents
A kind of method of the two-way humid keeping performance of Fast Evaluation humectant Download PDFInfo
- Publication number
- CN107589038A CN107589038A CN201711006500.6A CN201711006500A CN107589038A CN 107589038 A CN107589038 A CN 107589038A CN 201711006500 A CN201711006500 A CN 201711006500A CN 107589038 A CN107589038 A CN 107589038A
- Authority
- CN
- China
- Prior art keywords
- humectant
- sample
- keeping performance
- humid keeping
- humiture
- 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.)
- Pending
Links
Abstract
The invention discloses a kind of method of the two-way humid keeping performance of Fast Evaluation humectant, this method is together placed in water adsorption instrument by will add humectant sample and be not added with humectant sample, set the humiture change condition of water adsorption instrument, record water balance quality of the sample under each damp condition, choose the starting balance mass of sample in a certain humiture section and terminate balance mass, given humectation value calculation formula is substituted into, can rapidly calculate the humectation numerical value C of sample in the humiture section.Compared with conventional method, this method can not only evaluate the humid keeping performance of humectant in different humiture sections, can also evaluate the humid keeping performance of humidification and humectant under the conditions of wet down in identical humiture section.Data used in this method are the water balance quality of sample, and it is small by environment, instrument, artificial disturbing factor, has preferable stability and repeatability, is easy to quickly and accurately evaluate the two-way humid keeping performance of humectant.
Description
Technical field
The present invention relates to a kind of method of the two-way humid keeping performance of Fast Evaluation humectant, belongs to humectant assessment technique neck
Domain.
Background technology
Humectant as one of additive is commonly used in cigarette industry, play the role of to the quality of cigarette it is important, often
Humectant has propane diols, glycerine, xylitol, sorbierite etc..The addition of humectant can keep the moisture of cigarette products to contain
Amount, reduce influence of the ambient air humidity to product.In cigarette making process, addition humectant can keep tobacco and tobacco system
The moisture content of product, reduce tobacco leaf, pipe tobacco in process broken；The physical property of pipe tobacco can also be improved, such as improve cigarette
Pliability, the bulkiness of silk.But if the moisture of tobacco product is too high, then smoke can become very weak, and easily send out
Mildew change.Although some humectants have certain moisture absorption humectation effect in normal humidity environment, in high humidity environment
Moisture-proof role is had no, belongs to unidirectional humectant.Humectant in ideal should have sample can slow down under low moisture conditions
Water release, and can prevents the two-way humectation feature of moisture excessive consumption in high humidity environment.
It is that tobacco sample is put into the drying for filling various concentrations sulfuric acid that humid keeping performance, which is determined and evaluates initial method,
In device, or periodically sampling weighs in climatic chamber under certain temperature and humidity conditions, will weigh the mass transitions that draw into aqueous
Rate is simultaneously drawn out moisture content-time history and compared.The method can be to the humectation of tobacco or humectant
Qualitative evaluation can be carried out, but tobacco sample environment can be disturbed to cause the fluctuating change of humiture in sampling process, and weighs process
Middle tobacco sample moisture can also be influenceed and be gradually changed by external environment.
CN201517986 U disclose a kind of method that tobacco moisture percentage is determined using glove box, and this method avoid take
Influence of the sample process to stable humiture environment residing for tobacco sample, the curve of the tobacco moisture percentage-time drawn are more accurate.
This method is significantly improved in measuring method, but the aspect for qualitative comparison of mapping still is rested in evaluation method.
CN102128763 A propose a kind of method for evaluating humid keeping performance, are surveyed using DVS dynamic waters Sorption Analyzer
Amount pipe tobacco moisture content under the conditions of constant temperature and humidity changes with time, and when tobacco sample reaches balance, determines the butt of pipe tobacco
Quality, calculate the moisture content of drying base M of tobacco sample tt, and draw moisture content of drying base MtWith time t change curve；When 0.4
＜ (Mt-Me)/(M0-Me) ＜ 1.0 when, t pipe tobacco moisture content of drying base MtValue is to t0.5Meet linear relationship, gained straight line it is oblique
Rate is exactly rate constants k, and the humid keeping performance of pipe tobacco is evaluated by k values.This method is with aqueous in certain a period of time during wet down
The slope of rate and time evaluate humid keeping performance, but should in the range of do not include sample water transfer state in a complete cycle
Equilibrium process, therefore the overall evaluation to humid keeping performance has certain limitation.
The A of CN 103105341 disclose a kind of evaluation method of humid keeping performance of tobacco, and this method is by the sample after balance
It is placed in consecutive weighings module, then meausring apparatus is placed in constant-temperature constant-humidity environment and regularly weighs quality；According to initially containing
Water rate calculates tobacco sample moisture content-time data with tobacco quality-time data；By formula W=a+be-αTo tobacco sample
Moisture content under different time is fitted；Obtained according to derivation formula and wet or moisture absorption Mean Speed is solved in random time sectionWillIt is worth the foundation as evaluation tobacco sample humid keeping performance.This method can measure a certain temperature using fit mathematics equation
Solution in humidity section is wet and moisture absorption rate, but this method needs quality and time relationship being converted into moisture content-time relationship,
Then math equation fitting is carried out, finally by speed and the relation of time is calculated to equation derivation, whole method calculates more
Complexity, compare and expend the time.
The A of CN 103776720 disclose a kind of evaluation method of cigarette raw material humid keeping performance, and this method is inhaled using moisture
Attached instrument gradually reduces humidity under the high humidity environment of certain temperature, with certain step-length, establishes cigarette raw aqueous rate and environment
The graph of a relation of relative humidity, using envionmental humidity as independent variable, cigarette is dependent variable with the equilibrium moisture content of raw material, onset index
Matched curve Y=b0eb1T, with coefficient b1Represent the humid keeping performance of cigarette raw material.This method establishes multiple wet under conditions of wet down
The performance matching curvilinear equation of degree condition, humid keeping performance of the humectant under the conditions of wet down can be evaluated, but existed for humectant
Humid keeping performance under humidification conditions is then without progress correlative study.
The content of the invention
The evaluation of humid keeping performance is perfect by laboratory apparatus renewal and the improvement of method, it has been developed that a variety of different
The experimental method of emphasis, but the place of some shortcomings is still had in the method announced at present：(1) in the guarantor announced
To moisten in method of evaluating performance, the research about humectant unidirectional humid keeping performance under low moisture conditions is more, and under super-humid conditions
The research of humectant moisture absorption humidity resistance is also slightly inadequate.(2) design of some methods is complex not easy enough, it is necessary to test every
The butt of individual sample, initial aqueous rate or moisture ratio are calculated, then calculate containing for Each point in time on mass-time curve
Resulting moisture content-time or dehydration ratio-time graph, are finally fitted in math equation by water rate or moisture ratio, calculate
Obtain humectation index.This method is related to substantial amounts of data processing and conversion, spends the time more.(3) for using water adsorption
The method that instrument makees moisture content and time relationship matched curve during complete wet down, due in the number and instrument of sample
The humiture difference of external environment, at the initial stage that water adsorption instrument can be caused to change in humidity, moisture fluctuation is larger, and test reaches humidity
The stable time is not quite similar, so as to be impacted to matched curve form so that the stability of data and repeatability is not high.
(4) because sample is in different humiture sections, there is the humidification and wet down mass-time curve of different shape, and it is identical
In humiture section, the humidification of sample is also not fully consistent with wet down mass-time curve, therefore unsuitable using same
Kind math equation is fitted.
Increase at present in ambient humidity with conditions of reduction, going back neither one simplicity, intuitively method evaluation humectant
Two-way humid keeping performance.Therefore in wider humidity range and in more humidity sections, though design establish one humidification or
The fast appraisement method for the two-way humid keeping performance of humectant that wet down can be applicable is significant.
The purpose of the present invention is for technical problem present in above-mentioned prior art, there is provided a kind of Fast Evaluation humectant
The method of two-way humid keeping performance.This method is together placed on moisture by will add humectant sample and be not added with humectant sample
In adsorption instrument, the humiture change condition of water adsorption instrument, water balance of the record sample under each damp condition are set
Quality, choose the starting balance mass of sample in a certain humiture section and terminate balance mass, substitute into given humectation value meter
Formula is calculated, can rapidly calculate the humectation numerical value C of sample in the humiture section.With it, it can not only evaluate
The humid keeping performance of humectant in different humiture sections, it can also evaluate in identical humiture section and be protected under the conditions of humidification and wet down
Moisten the humid keeping performance of agent.
The present invention adopts the following technical scheme that：A kind of method of the two-way humid keeping performance of Fast Evaluation humectant, its feature exist
In comprising the following steps：Humectant sample will be added and be not added with humectant sample and be together placed in water adsorption instrument, set
The humiture change condition of good water adsorption instrument, the addition humectant sample and the humectant sample that is not added with are recorded every
Water balance quality under individual damp condition, choose the starting balance mass of sample in a certain humiture section and terminate balance matter
Amount, substitutes into given humectation value calculation formula, can rapidly calculate the humectation numerical value C of sample in the humiture section.
As a kind of preferred embodiment, specifically comprise the following steps：
Step SS1：Sample pre-treatments, including：After tobacco and tobacco product are well mixed, 2 parts of samples are extracted, wherein one
Part sample uniformly sprays humectant, and another described sample is blank control sample, after balancing 48h in climatic chamber
It is standby；
Step SS2：After the multiple section humitures for needing to measure are set on water adsorption instrument, weighing plate weighing is put into
The quality of blank panel；
Step SS3：The sample that with the addition of humectant and the blank control sample for being not added with humectant are weighed, is added to moisture
In the weighing plate of adsorption instrument；
Step SS4：Water adsorption instrument is run, changes program according to the temperature and humidity set, records sample quality
And the time；
Step SS5：When amplitude of variation is less than 0.01% to the quality of all samples on the weighing plate in 30min, i.e.,
Think that all samples reach moisture dynamic balance state, water adsorption instrument will automatically adjust humiture to next setting value；
Step SS6：All run and finish when all humitures of setting, and all samples are all in moisture dynamic equilibrium shape
After state, experiment terminates；
Step SS7：Bring the initial balance quality in any one humiture section of sample and end balance mass into guarantor
In lubricant nature energy judgement schematics, humectant can be intuitively evaluated in the humiture section according to numerical value C size and positive and negative values
Humid keeping performance.
As a kind of preferred embodiment, the humid keeping performance judgement schematics in the step SS7 are specific as follows：
In formula：C represents the humid keeping performance of humectant；m0Expression is not added with the sample initial balance quality of humectant；miRepresent
The sample for being not added with humectant terminates balance mass；n0Represent the sample initial balance quality of addition humectant；niRepresent that addition is protected
The sample of profit agent terminates balance mass.
As a kind of preferred embodiment, when humectant has certain two-way humectation effect, in a certain humiture area
Between, add the sample C of humectantYValue can show less balance dehydration (water suction) rate, and be not added with the sample C of humectantXValue
Larger balance dehydration (water suction) rate can be shown.The humid keeping performance judgement schematics are reduced to：
C=(CX-CY) × 100%
In formula：Expression is not added with Sample equilibration dehydration (water suction) rate of humectant；Table
Show Sample equilibration dehydration (water suction) rate of addition humectant, work as CXWith CYBoth positive differences are bigger, show the humectant of addition
Humectation effect is better；Opposite CXWith CYBoth positive differences are smaller or negative sense difference is bigger, show that humectant humectation effect is got over
Difference, even without humectation effect.
As a kind of preferred embodiment, tobacco and tobacco product described in the step SS1 include：Pipe tobacco, stem,
One or several kinds in expanded cut tobacco, reconstituted tobacoo.
As a kind of preferred embodiment, the evaluation of the two-way humid keeping performance of humectant is not limited to evaluation experimental and started
, can also be according to the Sample equilibration matter in any two humiture set in experiment with the humid keeping performance for terminating two humitures
Magnitude relation calculates the humectation value C of corresponding humectant in the humiture section, and the humid keeping performance progress to humectant is multi-faceted
Evaluation.
As a kind of preferred embodiment, the scope of the humiture in the step SS2 is：Temperature range be 5 DEG C-
60 DEG C, humidity range 10%-90%.
As a kind of preferred embodiment, the humectant is that either propane diols or sorbierite or trimethyl are sweet for glycerine
Propylhomoserin.
The beneficial effect that the present invention is reached：First, the present invention, can be with one-time detection by the setting of experiment condition parameter
The humid keeping performance of multiple humiture constant interval humectants, and only need to use same equation just can be evaluated humectant two-way guarantor
Lubricant nature energy；Second, the present invention enormously simplify the operating process and calculation of evaluation humid keeping performance, without carrying out extra pair
Each point in time moisture content corresponding to the butt quality detection and calculating of sample, it is only necessary to record the sample under each temperature and humidity conditions
Product balance mass, balance dehydration (water suction) rate of incipient stage and ending phase sample is calculated, substitute into given formula and calculate
Go out numerical value, you can evaluate the humid keeping performance of humectant；3rd, the present invention can both avoid water adsorption instrument in wet down and be humidified
Cheng Zhong, instrument are influenceed to cause fluctuating for ambient humidity in instrument by external environment, moreover it is possible to avoid with the increasing of laboratory sample quantity
It is more, in instrument environment humidification or wet down speed it is slack-off on matched curve morphologic change and caused by influence；4th, the present invention can be with
The flexibly change program of setting humiture, the humectant for calculating experimental study corresponding to person's humiture excursion of interest
Humid keeping performance；5th, of the invention is applied widely, can be in 5 DEG C -60 DEG C of temperature and humidity 10%-90% a wide range of area
It is interior, evaluate the two-way humid keeping performance of humectant in any humiture section.
Embodiment
The invention will be further described below.Following examples are only used for the technical side for clearly illustrating the present invention
Case, and can not be limited the scope of the invention with this.
Sample pre-treatments：The tobacco to be tested and tobacco product are chosen, 2 parts of laboratory samples are divided into after well mixed.
According to tobacco and the quality of tobacco product, a certain proportion of humectant is configured to the aqueous solution, using atomizer by it equably
Be sprayed onto on a laboratory sample, it is well mixed after with another be not added with the blank control sample of humectant together be put into constant temperature
In constant humidity cabinet, balanced 48 hours under the conditions of 22 DEG C of temperature, relative humidity 60%.
Embodiment 1
In the present embodiment, the tobacco product used is pipe tobacco, and the humectant of addition is glycerine, addition 1.0%.
The starting equilibrium temperature of water adsorption instrument is set as 22 DEG C, equilibrium humidity change is followed successively by 60%-40%-20%,
It is put into the quality that weighing plate weighs blank panel.
About 1.2g (being accurate to 0.0001g) is weighed respectively to the addition of humectant and be not added with 2 parts of samples of humectant, is put into
Into weighing plate, sample quality is weighed.
Water adsorption instrument is run, the environmental condition that program is run first is 22 DEG C of temperature, and humidity 60%, instrument starts automatically
Record sample quality and the variation relation of time.
When amplitude of variation is less than 0.01% to the quality of all samples on weighing plate in 30min, that is, think all samples
Reach the dynamic balance state of moisture, water adsorption instrument will will automatically adjust humidity to next setting value automatically.
It is 22 DEG C of temperature when water adsorption instrument runs to environmental condition, during humidity 20%, all samples are all in moisture
After dynamic balance state, experiment terminates.
Record 2 parts of laboratory samples under the conditions of 22 DEG C of temperature, humidity be 60%-40%-20% respective balance mass, generation
Enter into humid keeping performance judgement schematics, calculate successively in 60%-20% humidity constant interval, the wet down humectation value of glycerine
C is 0.826%, wherein in 60%-40% humidity constant interval, wet down humectation value C is 0.581%；Wherein in 40%-
In 20% humidity constant interval, wet down humectation value C is 0.289%.
Embodiment 2
In the present embodiment, the tobacco product used is stem, and the humectant of addition is propane diols, addition 1.8%.
The starting equilibrium temperature of water adsorption instrument is set as 20 DEG C, equilibrium humidity, which becomes, turns to 60%-80%, is put into weighing plate
Weigh the quality of blank panel.
About 0.9g (being accurate to 0.0001g) is weighed respectively to the addition of humectant and be not added with 2 parts of samples of humectant, is put into
Into weighing plate, sample quality is weighed.
Water adsorption instrument is run, the environmental condition that program is run first is 20 DEG C of temperature, and humidity 60%, instrument starts automatically
Record sample quality and the variation relation of time.
When amplitude of variation is less than 0.01% to the quality of all samples on weighing plate in 30min, that is, think all samples
Reach the dynamic balance state of moisture, water adsorption instrument will will automatically adjust humidity to next setting value automatically.
It is 20 DEG C of temperature when water adsorption instrument runs to environmental condition, during humidity 80%, all samples are all in moisture
After dynamic balance state, experiment terminates.
2 parts of laboratory samples are recorded under the conditions of 20 DEG C of temperature, humidity is respectively 60% and 80% respective balance mass, generation
Enter into humid keeping performance judgement schematics, calculate in 60%-80% humidity constant interval, the humidification humectation value C of propane diols
For -0.452%.
Embodiment 3
In the present embodiment, the tobacco product used is reconstituted tobacoo, and the humectant of addition is sorbierite, and addition is
0.8%
The starting equilibrium temperature of water adsorption instrument is set as 25 DEG C, equilibrium humidity change is followed successively by 60%-30%, is put into title
Measure the quality that disk weighs blank panel.
About 1g (being accurate to 0.0001g) is weighed respectively to the addition of humectant and be not added with 2 parts of samples of humectant, is put into
In weighing plate, sample quality is weighed.
Water adsorption instrument is run, the environmental condition that program is run first is 25 DEG C of temperature, and humidity 60%, instrument starts automatically
Record sample quality and the variation relation of time.
When amplitude of variation is less than 0.01% to the quality of all samples on weighing plate in 30min, that is, think all samples
Reach the dynamic balance state of moisture, water adsorption instrument will will automatically adjust humidity to next setting value automatically.
It is 25 DEG C of temperature when water adsorption instrument runs to environmental condition, during humidity 30%, all samples are all in moisture
After dynamic balance state, experiment terminates.
2 parts of laboratory samples are recorded under the conditions of 25 DEG C of temperature, humidity is respectively 60% and 30% respective balance mass, band
Enter into humid keeping performance judgement schematics, calculate in 60%-30% humidity constant interval, the wet down humectation value C of sorbierite
For 0.718%.
Embodiment 4
In the present embodiment, the tobacco product used is pipe tobacco, and the humectant of addition is trimethylglycine, and addition is
1.2%.
The starting equilibrium temperature of water adsorption instrument is set as 18 DEG C, equilibrium humidity changes 60%-80%-60% successively, puts
Enter the quality that weighing plate weighs blank panel.
About 0.8g (being accurate to 0.0001g) is weighed respectively to the addition of humectant and be not added with 2 parts of samples of humectant, is put into
Into weighing plate, sample quality is weighed.
Water adsorption instrument is run, the environmental condition that program is run first is 18 DEG C of temperature, and humidity 60%, instrument starts automatically
Record sample quality and the variation relation of time.
When amplitude of variation is less than 0.01% to the quality of all samples on weighing plate in 30min, that is, think all samples
Reach the dynamic balance state of moisture, water adsorption instrument will will automatically adjust humidity to next setting value automatically.
Be 18 DEG C of temperature when water adsorption instrument runs to environmental condition again, during humidity 60%, all samples all in
After moisture dynamic balance state, experiment terminates.
Record 2 parts of laboratory samples under the conditions of 18 DEG C of temperature, humidity be 60%-80%-60% respective balance mass, band
Enter into humid keeping performance judgement schematics, calculate in 60%-80% humidity constant interval, amino acid humectant trimethyl is sweet
The humidification humectation value C of propylhomoserin is 1.122%, and in 80%-60% humidity constant interval, wet down humectation value C is 1.035%.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, some improvement and deformation can also be made, these are improved and deformation
Also it should be regarded as protection scope of the present invention.
Claims (8)
- A kind of 1. method of the two-way humid keeping performance of Fast Evaluation humectant, it is characterised in that comprise the following steps：Humectation will be added Agent sample and it is not added with humectant sample and is together placed in water adsorption instrument, sets the humiture change bar of water adsorption instrument Part, record the addition humectant sample and the water balance matter for being not added with humectant sample under each damp condition Amount, choose the starting balance mass of sample in a certain humiture section and terminate balance mass, substitute into given humectation value and calculate Formula, it can rapidly calculate the humectation numerical value C of sample in the humiture section.
- 2. the method for a kind of two-way humid keeping performance of Fast Evaluation humectant according to claim 1, it is characterised in that specific Comprise the following steps：Step SS1：Sample pre-treatments, including：After tobacco and tobacco product are well mixed, 2 parts of samples, a copy of it institute are extracted State sample and uniformly spray humectant, another described sample is blank control sample, and 48h standby is balanced in climatic chamber With；Step SS2：After the multiple section humitures for needing to measure are set on water adsorption instrument, it is put into weighing plate and weighs blank panel Quality；Step SS3：The sample that with the addition of humectant and the blank control sample for being not added with humectant are weighed, is added to water adsorption In the weighing plate of instrument；Step SS4：Run water adsorption instrument, change program according to the temperature and humidity that set, record sample quality and when Between；Step SS5：When amplitude of variation is less than 0.01% to the quality of all samples on the weighing plate in 30min, that is, think All samples reach moisture dynamic balance state, and water adsorption instrument will automatically adjust humiture to next setting value；Step SS6：All run and finish when all humitures of setting, and all samples are all in moisture dynamic balance state Afterwards, experiment terminates；Step SS7：Bring the initial balance quality in any one humiture section of sample and end balance mass into humectation In energy judgement schematics, humectant can be intuitively evaluated in the humiture section according to humectation numerical value C size and positive and negative values Humid keeping performance.
- 3. the method for a kind of two-way humid keeping performance of Fast Evaluation humectant according to claim 2, it is characterised in that described The humid keeping performance judgement schematics in step SS7 are specific as follows：<mrow> <mi>C</mi> <mo>=</mo> <mrow> <mo>(</mo> <mfrac> <mrow> <mo>|</mo> <msub> <mi>m</mi> <mi>i</mi> </msub> <mo>-</mo> <msub> <mi>m</mi> <mn>0</mn> </msub> <mo>|</mo> </mrow> <msub> <mi>m</mi> <mn>0</mn> </msub> </mfrac> <mo>-</mo> <mfrac> <mrow> <mo>|</mo> <msub> <mi>n</mi> <mi>i</mi> </msub> <mo>-</mo> <msub> <mi>n</mi> <mn>0</mn> </msub> <mo>|</mo> </mrow> <msub> <mi>n</mi> <mn>0</mn> </msub> </mfrac> <mo>)</mo> </mrow> <mo>&times;</mo> <mn>100</mn> <mi>%</mi> </mrow>In formula：C represents the humid keeping performance of humectant；m0Expression is not added with the sample initial balance quality of humectant；miExpression does not add The sample of humectant is added to terminate balance mass；n0Represent the sample initial balance quality of addition humectant；niRepresent addition humectant Sample terminate balance mass.
- 4. the method for a kind of two-way humid keeping performance of Fast Evaluation humectant according to claim 3, it is characterised in that described Humid keeping performance judgement schematics are reduced to：C=(CX-CY) × 100%In formula：Expression is not added with Sample equilibration dehydration (water suction) rate of humectant；Represent addition Sample equilibration dehydration (water suction) rate of humectant, works as CXWith CYBoth positive differences are bigger, show the humectant humectation effect of addition Fruit is better；Opposite CXWith CYBoth positive differences are smaller or negative sense difference is bigger, show that humectant humectation effect is poorer.
- 5. the method for a kind of two-way humid keeping performance of Fast Evaluation humectant according to claim 2, it is characterised in that described Tobacco and tobacco product described in step SS1 include：It is a kind of or several in pipe tobacco, stem, expanded cut tobacco, reconstituted tobacoo Kind.
- 6. the method for a kind of two-way humid keeping performance of Fast Evaluation humectant according to claim 2, it is characterised in that described The evaluation of the two-way humid keeping performance of humectant is not limited to the humid keeping performance of two humitures of evaluation experimental beginning and end, can be with According to corresponding to calculating in the humiture section Sample equilibration relationship between quality in any two humiture set in experiment The humectation value C of humectant, multi-faceted evaluation is carried out to the humid keeping performance of humectant.
- 7. the method for a kind of two-way humid keeping performance of Fast Evaluation humectant according to claim 2, it is characterised in that described The scope of the humiture in step SS2 is：Temperature range is 5 DEG C -60 DEG C, humidity range 10%-90%.
- 8. the method for a kind of two-way humid keeping performance of Fast Evaluation humectant according to claim 2, it is characterised in that described Humectant is glycerine either propane diols or sorbierite or trimethylglycine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711006500.6A CN107589038A (en) | 2017-10-25 | 2017-10-25 | A kind of method of the two-way humid keeping performance of Fast Evaluation humectant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711006500.6A CN107589038A (en) | 2017-10-25 | 2017-10-25 | A kind of method of the two-way humid keeping performance of Fast Evaluation humectant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107589038A true CN107589038A (en) | 2018-01-16 |
Family
ID=61045308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711006500.6A Pending CN107589038A (en) | 2017-10-25 | 2017-10-25 | A kind of method of the two-way humid keeping performance of Fast Evaluation humectant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107589038A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112098262A (en) * | 2020-08-11 | 2020-12-18 | 红塔烟草(集团)有限责任公司 | Method for evaluating comprehensive moisture retention performance of small cigarette case |
| CN113433026A (en) * | 2021-05-14 | 2021-09-24 | 斯坦德检测集团股份有限公司 | Rapid evaluation method for stability of disinfectant |
| CN113433026B (en) * | 2021-05-14 | 2024-04-23 | 斯坦德检测集团股份有限公司 | Rapid evaluation method for stability of disinfectant |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS615005A (en) * | 1984-06-19 | 1986-01-10 | Yoshitomi Pharmaceut Ind Ltd | Humectant |
| CN102221511A (en) * | 2011-03-24 | 2011-10-19 | 上海烟草集团有限责任公司 | Method for testing moisture adsorption-desorption performance of tobacco leaf |
| CN103471957A (en) * | 2013-09-25 | 2013-12-25 | 上海烟草集团有限责任公司 | Tobacco moisture-retaining performance test method |
| CN103760061A (en) * | 2014-02-14 | 2014-04-30 | 江苏中烟工业有限责任公司 | Evaluation method of humidity preservation property of cigarette |
| CN103760062A (en) * | 2014-02-14 | 2014-04-30 | 江苏中烟工业有限责任公司 | Method for evaluating humidifying performance of tobacco humectant |
| CN103776720A (en) * | 2014-02-14 | 2014-05-07 | 江苏中烟工业有限责任公司 | Evaluation method for moisture keeping performance of cigarette raw materials |
| JP2015077071A (en) * | 2012-01-31 | 2015-04-23 | 日本たばこ産業株式会社 | Method of reducing nicotine in tobacco raw material and tobacco product |
-
2017
- 2017-10-25 CN CN201711006500.6A patent/CN107589038A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS615005A (en) * | 1984-06-19 | 1986-01-10 | Yoshitomi Pharmaceut Ind Ltd | Humectant |
| CN102221511A (en) * | 2011-03-24 | 2011-10-19 | 上海烟草集团有限责任公司 | Method for testing moisture adsorption-desorption performance of tobacco leaf |
| JP2015077071A (en) * | 2012-01-31 | 2015-04-23 | 日本たばこ産業株式会社 | Method of reducing nicotine in tobacco raw material and tobacco product |
| CN103471957A (en) * | 2013-09-25 | 2013-12-25 | 上海烟草集团有限责任公司 | Tobacco moisture-retaining performance test method |
| CN103760061A (en) * | 2014-02-14 | 2014-04-30 | 江苏中烟工业有限责任公司 | Evaluation method of humidity preservation property of cigarette |
| CN103760062A (en) * | 2014-02-14 | 2014-04-30 | 江苏中烟工业有限责任公司 | Method for evaluating humidifying performance of tobacco humectant |
| CN103776720A (en) * | 2014-02-14 | 2014-05-07 | 江苏中烟工业有限责任公司 | Evaluation method for moisture keeping performance of cigarette raw materials |
Non-Patent Citations (2)
| Title |
|---|
| 张安丰 等: "烟草保润剂的物理保润性能研究", 《江西农业学报》 * |
| 张安丰: "烟草保润剂的筛选及性能评价研究", 《中国优秀硕士学位论文全文数据库 工程科技I辑》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112098262A (en) * | 2020-08-11 | 2020-12-18 | 红塔烟草(集团)有限责任公司 | Method for evaluating comprehensive moisture retention performance of small cigarette case |
| CN113433026A (en) * | 2021-05-14 | 2021-09-24 | 斯坦德检测集团股份有限公司 | Rapid evaluation method for stability of disinfectant |
| CN113433026B (en) * | 2021-05-14 | 2024-04-23 | 斯坦德检测集团股份有限公司 | Rapid evaluation method for stability of disinfectant |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5231683B2 (en) | Method for measuring moisture retention of tobacco | |
| Dupouey et al. | Modelling carbon isotope fractionation in tree rings based on effective evapotranspiration and soil water status | |
| CN103760061B (en) | A kind of evaluation method of humidity preservation property of cigarette | |
| CN103776720B (en) | A kind of evaluation method of cigarette raw material humid keeping performance | |
| CN107037090B (en) | A kind of photosynthesis prediction technique based on the variation of blade tensity | |
| CN103105341A (en) | Method for evaluating humidity keeping performance of tobacco | |
| CN101685092B (en) | Method for judging alcoholization quality of flue-cured tobacco by pH detection value of tobacco leaf | |
| Jha et al. | Surface stiffness and density of eggplant during storage | |
| CN101131344A (en) | Method for on-line measuring drying property of tobacco and kinetic analysis | |
| CN102636407A (en) | Tobacco physical humectation performance testing method | |
| CN103471957A (en) | Tobacco moisture-retaining performance test method | |
| CN102048234A (en) | Tobacco leaf weighing and curing method | |
| CN103293189A (en) | Plant leaf surface humidity sensor and plant leaf surface humidity measurement device | |
| AU2018437833A1 (en) | Method employing an experiment to measure shortest spontaneous combustion period of coal | |
| CN105548277B (en) | A kind of ammonia gas sensor based on squaric acid derivertives and its production and use | |
| CN107589038A (en) | A kind of method of the two-way humid keeping performance of Fast Evaluation humectant | |
| CN105699239A (en) | Method for analyzing moisture retention ability of tobaccos and tobacco products by aid of near-infrared spectral models | |
| CN105842103B (en) | A kind of test method of humid keeping performance of tobacco | |
| CN106918525A (en) | A kind of offal volume change detection method | |
| CN109405884B (en) | System and method for realizing humidity calibration function based on temperature and humidity sensor | |
| Uddin et al. | Accuracy of grain moisture content prediction using temperature and relative humidity sensors | |
| CN103760062B (en) | A kind of evaluation methodology of humectant for smoke humid keeping performance | |
| CN108572087B (en) | Parameter testing method and system of temperature test box | |
| CN108508156A (en) | A kind of method of plant inorganic carbon gross assimilation ability under acquisition outdoor habitatss | |
| Stigter et al. | Leaf diffusion resistance to water vapour and its direct measurement: Design, calibration and pertinent theory of an improved leaf diffusion resistance meter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180116 |
|
| RJ01 | Rejection of invention patent application after publication |