CN105547902A - Method for determination of moisture-proof curve of tobacco capsules - Google Patents
Method for determination of moisture-proof curve of tobacco capsules Download PDFInfo
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- CN105547902A CN105547902A CN201510924970.5A CN201510924970A CN105547902A CN 105547902 A CN105547902 A CN 105547902A CN 201510924970 A CN201510924970 A CN 201510924970A CN 105547902 A CN105547902 A CN 105547902A
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- capsule
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- humidity
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- moisture absorption
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/02—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by absorbing or adsorbing components of a material and determining change of weight of the adsorbent, e.g. determining moisture content
- G01N5/025—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by absorbing or adsorbing components of a material and determining change of weight of the adsorbent, e.g. determining moisture content for determining moisture content
Abstract
The invention relates to a method for determination of a moisture-proof curve of tobacco capsules, wherein the method comprises the following steps: 1) taking a to-be-tested capsule sample, balancing to a balancing end point under conditions of constant temperature and constant humidity, weighing, and recording the weight as m0; 2) laying the balanced capsule sample on a tray, putting the tray in a constant-temperature and constant-humidity box with an electronic weighing system, setting an environment with required temperature and humidity, carrying out a thin layer moisture absorption test until a moisture absorption end point is reached, and weighing at intervals during the process and recording the capsule sample weight at the time t as mt; and 3) calculating the moisture absorption percentage W of the capsule sample at the time t according to the formula defined in the specification, and drawing the capsule moisture-proof curve with the time t as an x-coordinate and the moisture absorption percentage of the capsule sample at the time t as a coordinate table. The method has the advantages of simple operation process, continuous drying process, small error, high accuracy and the like.
Description
Technical field
The present invention relates to cigarette filter rod capsule technical field of drying, particularly a kind of method of easy, reliable cigarette capsule moisture resistance curve determination.
Background technology
Soft capsule, as a kind of " small containers ", can be used for loading oils or to the liquid or solid of glue without dissolution, improving the physical property of material, is convenient to processing, storage and transport.Soft capsule has been widely used in the aspects such as daily use chemicals, medicine, food, bio-science.The capsule of soft capsule effectively could completely cut off core and external environment, plays the effect of protection core.Control the release of core simultaneously, make the object that core slowly or immediately discharges under suitable condition.Current extensive adopted capsule capsule material system is divided into: take alginate as the vegetable gum system of representative and take gelatin as the animal glue system of representative.Wherein gelatine system has dense materials, and physical strength is high, to content protection and the advantage such as sealing effect is good.
Gelatin is white or the pale yellow powder of collagenous portion degraded in the connective tissues such as a kind of animal skin, bone, sarolemma, flesh evil spirit, its molecular weight distribution several ten thousand to hundreds of thousands.Moisture is fairly obvious to gelatin materials property effect, and when moisture is lower, moisture increases by 1%, and its glass temperature can reduce by 10 DEG C.Cigarette capsule will ensure its fragility, must ensure that gelatin is in glassy state.Current cigarette capsule capsule material system is divided into animal glue system and vegetable gum system, be wherein the important problem of capsule one that the animal glue of representative does with gelatin be exactly that water absorptivity is strong, high temperature deliquescing, therefore characterizes the cigarette capsule of different formulations moisture resistance to animal glue system very important.
At present, cigarette capsule moisture resistance characteristic present means are mainly by relying on the deformation impression of manually crumbing, but each one difference of impression causes may occurring that diametrically opposite moisture resistance characteristic judges to same batch sample.In addition, because the physical strength difference of different formulations capsule capsule material own may disturb the accuracy artificially judging capsule moisture resistance characteristic.The moisture absorption behavior of capsule under hot and humid environment is the inverse process of dry behavior, and thin layer drying, by reducing material eclipsing effects, is widely used in sign crops drying property.Chinese invention patent CN101131344A discloses a kind of method by Tobacco drying curve Drying Dynamics equation, although this method has detailed regulation in sampling and balancing run, but different stack manner is difficult to repeat to realize, between different material, porosity and pore texture may cause the error of drying curve or kinetics equation to become large.
Summary of the invention
Based on above-mentioned purpose, the invention provides a kind of method of easy, reliable cigarette capsule moisture resistance curve determination.
The technical scheme that the present invention takes the following is:
Measure a method for cigarette capsule moisture resistance curve, comprise the following steps:
1) get capsule sample to be measured, balancing to balancing terminal under constant temperature and humidity condition, weighing, be designated as m0; When described balance terminal refers to that in the unit interval, capsules weight change is less than threshold value;
2) by step 1) capsule sample that balanced is laid on pallet, put into the climatic chamber with electronic weighing system, set temperature required, humidity environment and carry out thin layer porosity test, until moisture absorption terminal, weigh and record the capsule sample weight mt of t in interval in the process; When described moisture absorption terminal refers to that in the unit interval, capsule sample weight change is less than threshold value;
3) the capsule sample Moisture percentage W of t is calculated as follows, with time t for horizontal ordinate, with the capsule sample Moisture percentage of t for coordinates table draws capsule moisture resistance curve;
The said determination cigarette method of capsule moisture resistance curve, wherein:
Preferably, described capsule refers to cigarette fragility capsule or filter stick for cigarettes capsule (following general designation cigarette capsule).
Described cigarette capsule can be prepared by existing routine techniques, such as Chinese patent publication No. CN102824887A, CN103045360A, CN102108136A, CN103361173A.
Preferably, step 1) described capsule sample weight to be measured is 5-10g;
Preferably, step 1) described constant temperature and humidity condition is temperature 25 DEG C, humidity 30%;
Preferably, step 1) carry out in climatic chamber;
Preferably, step 1) in judge balance terminal unit interval be 1min ~ 72h; More preferably 0.5h;
Preferably, step 1) in judge balance terminal threshold value be 0.1mg ~ 1g; More preferably 10mg;
Preferably, step 1), step 2) institute's sample thief is laid on pallet and forms thin layer, do not overlap each other;
Preferably, step 2) described constant temperature and humidity condition is temperature 25 DEG C, humidity 60%;
Preferably, step 2) in judge that the unit interval of moisture absorption terminal is 1min ~ 72h; More preferably 0.5h;
Preferably, step 2) in judge that the threshold value of moisture absorption terminal is 0.1mg ~ 1g; More preferably 10mg;
Preferably, step 2) described in weigh and be spaced apart 5-10min;
Preferably, by step 3) the data obtained discrete point (i.e. the capsule sample Moisture percentage W of time t and t) connects into a level and smooth curve by the mode of nonlinear fitting or difference; The Boltzmann function such as provided by origin function plotting software carries out matching to the loose point of data.
Origin is the professional function plotting software of OriginLab Company, and boltzmann is the function of the matched curve selected, and can react the trend of moisture resistance curve preferably, therefore selecting this function to carry out matching to moisture resistance curve by contrasting this function.
Particularly, step 1) comprise and get capsule sample 5-10g to be measured, uniform spreading is placed on pallet and forms thin layer, does not overlap each other; Be placed in climatic chamber, under temperature 25 DEG C, humidity 30% condition, balance capsules weight change to 0.5h be less than 10mg; Weigh, be designated as m0;
Particularly, step 2) comprise step 1) capsule sample that balanced is laid on pallet and forms thin layer, do not overlap each other; Put into the climatic chamber with electronic weighing system, design temperature 25 DEG C, humidity 60% carries out thin layer porosity test, until in 0.5h, capsules weight change is less than 10mg is moisture absorption terminal, interval 10min weighs and records the capsule sample weight mt of t in the process.
More specifically, the said determination cigarette method of capsule moisture resistance curve, comprises the following steps:
1) get capsule sample 5-10g to be measured, uniform spreading is placed on pallet and forms thin layer, does not overlap each other; Be placed in climatic chamber, under temperature 25 DEG C, humidity 30% condition, balance capsules weight change to 0.5h be less than 10mg; Weigh, be designated as m0;
2) by step 1) capsule sample that balanced is laid on pallet and forms thin layer, do not overlap each other; Put into the climatic chamber with electronic weighing system, design temperature 25 DEG C, humidity 60% carries out thin layer porosity test, until in 0.5h, capsules weight change is less than 10mg is moisture absorption terminal, interval 10min weighs and records the capsule sample weight mt of t in the process;
3) the capsule sample Moisture percentage W of t is calculated as follows,
The Boltzmann function provided by origin carries out matching to the data point (i.e. the capsule sample Moisture percentage W of time t and t) that falls apart, and draws capsule moisture resistance curve.
Gained capsule moisture resistance curve of the present invention can quantitative expression capsule moisture resistance.
The present invention also comprises said method in the application measuring cigarette capsule moisture resistance aspect of performance.
The inventive method has the advantages such as operating process is simple, dry run is continuous, error is little, accuracy is high.
The cigarette capsule sample getting 7 groups of equals in quality carries out parallel experiment according to method provided by the invention, record t capsule sample Moisture percentage, calculate the coefficient of variation of synchronization capsule sample moisture absorption water content rate, result shows, this coefficient of variation is within the scope of (0.04-0.40) %, test precision is fine, shows that capsule moisture resistance curve plotting method provided by the invention is stable, accurate, reliable.
Beneficial effect of the present invention
The present invention has following innovative point relative to prior art:
1. design a kind of thin layer fuchsin(e)test for fragility capsule designs, this experiment can characterize effectively and accurately the feature of capsule capsule material moisture diffusion under different humiture;
2. the characteristic of the moisture that characterizes of thin layer fuchsin(e)test under different humiture is corresponding rightly capsule under various circumstances can not the ability of deliquescing (moisture resistance);
3. capsule capsule material character of surface and interior porosity situation is clearly characterized by two unique points of thin layer fuchsin(e)test capsules weight change curve.
Remarkable advantage:
1. the capsule moisture resistance curve drawn can the material behavior of Efficient Characterization capsule capsule material;
2. wherein the slope in moisture absorption stage represents the compactness extent of material surface;
3. wherein the moisture absorption balance after equilibrium water absorption characterize material internal distribution of pores situation.
Accompanying drawing explanation
Fig. 1 is embodiment 1 moisture resistance curve.
Fig. 2 is embodiment 2 moisture resistance curve.
Embodiment
Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
Embodiment 1 illustrates the meaning of this method balance Moisture absorption rate
For 5 groups of capsules that orifice forming method is produced, its rubber formula sees the following form, and measures not the hydroscopicity of sample in the same time, and draw moisture resistance curve with reference to method provided by the invention.
| Sequence number | Rubber is filled a prescription |
| Formula 1 | Gelatin: PEG-400: water (100:1:10000) |
| Formula 2 | Gelatin: sucrose: water (100:2:10000) |
| Formula 3 | Gelatin: sucrose: water (100:1:10000) |
| Formula 4 | Gelatin: water (1:100) |
| Formula 5 | Gelatin: PEG-400: water (100:2:10000) |
(note: PEG400 and PEG400.)
1) get above-mentioned 5 groups of capsules (formula 1-formula 5) each about 5g, uniform spreading is about on the pallet of 10cm at diameter and forms thin layer, does not overlap each other; Be respectively 25 DEG C in humiture, balance 24h under 30% condition, until often criticize capsules weight change in 0.5h to be less than 10mg, weigh, be designated as respective m0.
2) get above-mentioned capsule sample to be laid on pallet and to form thin layer, do not overlap each other; Put into the constant temperature and humidity system with Weighing system, arranging humiture is 25 DEG C, 60%, and every 10min records a weight and is designated as mt.
3) until often criticize capsules weight change in 0.5h be all less than 10mg, stop porosity test, record discrete data point, calculates Moisture percentage:
The Boltzmann function provided by origin function plotting software carries out matching to the loose point of data, obtains Fig. 1.In Fig. 1, different moisture absorption terminal represents different materials and terminates from equilibrating to fuchsin(e)test the percentage that institute's water absorbing capacity accounts for initial weight, can be used for characterizing the power of capsule material water-intake capacity.
Embodiment 2 illustrates the meaning of this method moisture resistance rate of curve
For 3 groups of capsules that orifice forming method is produced, its rubber formula sees the following form, and measures not the hydroscopicity of sample in the same time, and draw moisture resistance curve with reference to method provided by the invention.
| Sequence number | Rubber is filled a prescription |
| Formula 1 | Gelatin: water (1:90) |
| Formula 2 | Gelatin: sucrose: water (100:1:9000) |
| Formula 3 | 2 capsules of filling a prescription carry out surface treatment (filling process) |
1) get the capsule (formula 1-formula 3) of above-mentioned 3 groups of different rubber formulas, each about 5g, uniform spreading is about on the pallet of 10cm at diameter and forms thin layer, does not overlap each other; Be respectively 25 DEG C in humiture, balance 24h under 30% condition, until often criticize capsules weight change in 0.5h to be less than 10mg, weigh, be designated as respective m0.
2) get above-mentioned capsule sample to be laid on pallet and to form thin layer, do not overlap each other; Be placed in and have in the constant temperature and humidity system of Weighing system, arranging humiture is 25 DEG C, 60%, and every 10min records a weight and is designated as mt.
3) until often criticize capsules weight change in 0.5h be all less than 10mg, stop porosity test, record discrete data point, calculates Moisture percentage:
The Boltzmann function provided by origin function plotting software carries out matching to the loose point of data, obtains Fig. 2.In Fig. 2, different capsule moisture resistance rate of curve difference when absorbing water initial is huge, the 3<< formula 2< that wherein fills a prescription fills a prescription 1, and visible moisture resistance curve initial slope reflects the improvement of surface treatment to formula 2 water absorption character.
Although above the present invention is described in detail with a general description of the specific embodiments, on basis of the present invention, can make some modifications or improvements it, this will be apparent to those skilled in the art.Therefore, these modifications or improvements without departing from theon the basis of the spirit of the present invention, all belong to the scope of protection of present invention.
Claims (10)
1. measure a method for cigarette capsule moisture resistance curve, comprise the following steps:
1) get capsule sample to be measured, balancing to balancing terminal under constant temperature and humidity condition, weighing, be designated as m0; When described balance terminal refers to that in the unit interval, capsules weight change is less than threshold value;
2) by step 1) capsule sample that balanced is laid on pallet, put into the climatic chamber with electronic weighing system, set temperature required, humidity environment and carry out thin layer porosity test, until moisture absorption terminal, weigh and record the capsule sample weight mt of t in interval in the process; When described moisture absorption terminal refers to that in the unit interval, capsule sample weight change is less than threshold value;
3) the capsule sample Moisture percentage W of t is calculated as follows, with time t for horizontal ordinate, with the capsule sample Moisture percentage of t for coordinates table draws capsule moisture resistance curve;
2. method according to claim 1, is characterized in that, step 1) described capsule sample weight to be measured is 5-10g; Described constant temperature and humidity condition is temperature 25 DEG C, humidity 30%.
3. method according to claim 1, is characterized in that, step 1) in judge balance terminal unit interval be 1min ~ 72h; Be preferably 0.5h; And/or
Step 1) in judge balance terminal threshold value be 0.1mg ~ 1g; Be preferably 10mg.
4. the method according to any one of claim 1-3, is characterized in that, step 2) described constant temperature and humidity condition is temperature 25 DEG C, humidity 60%.
5. the method according to any one of claim 1-3, is characterized in that, step 2) unit interval of described judgement moisture absorption terminal is 1min ~ 72h; Be preferably 0.5h; And/or
The threshold value of described judgement moisture absorption terminal is 0.1mg ~ 1g; Be preferably 10mg.
6. the method according to any one of claim 1-3, is characterized in that, step 2) described in weigh and be spaced apart 5-10min.
7. the method according to any one of claim 1-3, is characterized in that, by step 3) the data obtained discrete point connects into a level and smooth curve by the mode of nonlinear fitting or difference; Preferably, the Boltzmann function provided by origin function plotting software carries out matching to the loose point of data.
8. method according to claim 1, is characterized in that, step 1) comprise and get capsule sample 5-10g to be measured, uniform spreading is placed on pallet and forms thin layer, does not overlap each other; Be placed in climatic chamber, under temperature 25 DEG C, humidity 30% condition, balance capsules weight change to 0.5h be less than 10mg; Weigh, be designated as m
0; And/or
Step 2) comprise step 1) capsule sample that balanced is laid on pallet and forms thin layer, do not overlap each other; Put into the climatic chamber with electronic weighing system, design temperature 25 DEG C, humidity 60% carries out thin layer porosity test, until in 0.5h, capsules weight change is less than 10mg is moisture absorption terminal, interval 10min weighs and records the capsule sample weight mt of t in the process.
9. method according to claim 8, is characterized in that, by step 3) the data obtained discrete point connects into a level and smooth curve by the mode of nonlinear fitting or difference; Preferably, the Boltzmann function provided by origin function plotting software carries out matching to the loose point of data.
10. the method described in any one of claim 1-9 is measuring the application of cigarette capsule moisture resistance aspect of performance.
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| CN201510924970.5A CN105547902A (en) | 2015-12-14 | 2015-12-14 | Method for determination of moisture-proof curve of tobacco capsules |
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| CN201510924970.5A CN105547902A (en) | 2015-12-14 | 2015-12-14 | Method for determination of moisture-proof curve of tobacco capsules |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107271311A (en) * | 2017-06-28 | 2017-10-20 | 西安工程大学 | A kind of test yarn moisture absorption and the method for rule of dehumidification |
| CN113109212A (en) * | 2021-03-23 | 2021-07-13 | 安徽黄山胶囊股份有限公司 | Method for establishing water migration control standard of gelatin hollow capsule |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996027125A1 (en) * | 1995-03-01 | 1996-09-06 | Ensio Laine | Method and device for the investigation of the humidity-related behaviour of powders |
| CN101131344A (en) * | 2007-06-05 | 2008-02-27 | 中国烟草总公司郑州烟草研究院 | Method for on-line measuring drying property of tobacco and kinetic analysis |
| CN201749070U (en) * | 2010-06-30 | 2011-02-16 | 中国人民解放军第三军医大学第一附属医院 | Moisture-absorption-material weight change monitoring device |
| 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 |
| CN102636407A (en) * | 2012-04-10 | 2012-08-15 | 广西中烟工业有限责任公司 | Tobacco physical humectation performance testing method |
-
2015
- 2015-12-14 CN CN201510924970.5A patent/CN105547902A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996027125A1 (en) * | 1995-03-01 | 1996-09-06 | Ensio Laine | Method and device for the investigation of the humidity-related behaviour of powders |
| CN101131344A (en) * | 2007-06-05 | 2008-02-27 | 中国烟草总公司郑州烟草研究院 | Method for on-line measuring drying property of tobacco and kinetic analysis |
| CN201749070U (en) * | 2010-06-30 | 2011-02-16 | 中国人民解放军第三军医大学第一附属医院 | Moisture-absorption-material weight change monitoring device |
| 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 |
| CN102636407A (en) * | 2012-04-10 | 2012-08-15 | 广西中烟工业有限责任公司 | Tobacco physical humectation performance testing method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107271311A (en) * | 2017-06-28 | 2017-10-20 | 西安工程大学 | A kind of test yarn moisture absorption and the method for rule of dehumidification |
| CN113109212A (en) * | 2021-03-23 | 2021-07-13 | 安徽黄山胶囊股份有限公司 | Method for establishing water migration control standard of gelatin hollow capsule |
| CN113109212B (en) * | 2021-03-23 | 2024-04-12 | 安徽黄山胶囊股份有限公司 | Method for formulating gelatin hollow capsule moisture migration control standard |
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