A kind of cigarette humid keeping performance evaluation method based on humectant filming performance
阅读说明：本技术 一种基于保润剂成膜性能的卷烟保润性能评价方法 (A kind of cigarette humid keeping performance evaluation method based on humectant filming performance ) 是由 唐丽 廖头根 刘娟 王坚 者为 陈玉芸 孟啸娟 周冰 唐军 于 2019-07-26 设计创作，主要内容包括：本发明公开一种基于保润剂成膜性能的卷烟保润性能评价方法,首先测量添加在卷烟中的保润剂成膜性能,包括膜厚度、水蒸气透过系数、抗拉强度、伸长率、水溶性和透氧率,对检测得到的数据进行标准化处理,并分别赋予一定的权重,计算出保润剂膜综合性能得分,利用保润剂成膜性能与卷烟保润性能呈现相关性的特点,建立相应的评价标准,将保润剂的膜综合性能得分与卷烟保润性能关联,实现卷烟保润性能评价的提前预判,弥补了现有评价方法的不足,为卷烟保润性能的评价提供了客观、科学的结论,本发明方法简单易行,便于推广,有很好的应用前景。(The present invention discloses a kind of cigarette humid keeping performance evaluation method based on humectant filming performance, humectant filming performance of the measurement addition in cigarette first, including film thickness, vapor transmission coefficient, tensile strength, elongation, water-soluble and oxygen transmission rate, the data obtained to detection are standardized, and certain weight is assigned respectively, calculate humectant film comprehensive performance score, the characteristics of correlation is presented with cigarette humid keeping performance using humectant filming performance, establish corresponding evaluation criterion, the film comprehensive performance score of humectant is associated with cigarette humid keeping performance, realize the anticipation in advance of cigarette humid keeping performance evaluation, compensate for the deficiency of existing evaluation method, for cigarette humid keeping performance evaluation provide it is objective, the conclusion of science, the method of the present invention is simple and easy, convenient for promoting, there is good application prospect.)
1. a kind of cigarette humid keeping performance evaluation method based on humectant filming performance, which is characterized in that itself the following steps are included:
(1) humectant film is made in humectant；
(2) humectant film obtained in step (1) is taken, the performance indicator of the humectant film is measured, and detecting number is n times, n >=3, measurement result is denoted as x respectively1, x2…xn；The performance indicator is film thickness, vapor transmission coefficient, tensile strength, stretches Six long rate, water solubility and oxygen transmission rate indexs；
(3) measurement result in step (2) is standardized according to formula (1), calculates the performance indicator measurement result mark Numerical value y after quasi-ization processing:
In formula: xavgFor measurement result x1, x2…xnAverage value；xmaxFor measurement result x1, x2…xnIn maximum value, xminFor Measurement result x1, x2…xnIn minimum value；
By six film thickness, vapor transmission coefficient, tensile strength, elongation, water solubility and oxygen transmission rate index determining result marks It is denoted as y respectively after quasi-ization processing1, y2, y3, y4, y5, y6；
(4) six film thickness, vapor transmission coefficient, tensile strength, elongation, water solubility and oxygen transmission rate indexs are assigned respectively Weight calculates the numerical value y ' after six indexs assign weight according to formula (2):
Y '=y × weight value (2)
In formula: y is the numerical value y after six index determining result standardizations1, y2, y3, y4, y5, y6；By film thickness, vapor Numerical value after six transmission coefficient, tensile strength, elongation, water solubility and oxygen transmission rate indexs imparting weights is denoted as y ' respectively1, y ’2, y '3, y '4, y '5, y '6；
(5) humectant film comprehensive performance score A is calculated according to formula (3):
A=y '1+y’2+y’3+y’4+y’5+y’6 (3)
In formula: y '1, y '2, y '3, y '4, y '5, y '6Respectively step (5) media thickness, vapor transmission coefficient, tensile strength, Six elongation, water solubility and oxygen transmission rate indexs assign the numerical value after weight；
(6) evaluation criterion is established, cigarette humid keeping performance is evaluated according to humectant film comprehensive performance score A.
2. evaluation method according to claim 1, which is characterized in that the preparation of humectant film includes following in step (1) Step:
(1) humectant 10-50g is taken, is added in deionized water, 2-3h is stirred, pH to 7.0 is adjusted with 2-4mol/L NaOH, is obtained Humectation agent solution；
(2) the humectation agent solution that step (1) obtains is heated into 60-100 DEG C of water-bath 30-60min, takes out cooling, be added sweet Oil obtains filming emulsion；
(3) filming emulsion obtained in step (2) is deaerated 10-20min at 1MPa with vacuum degassing machine, then uses pipette It pipettes on part filming emulsion to HDPE smooth plate, is placed on 25 ± 1 DEG C, is done in the constant temperature and humidity drying case that RH is 53 ± 1% Film formed after drying is taken off, obtains humectant film by dry 0.5h.
3. evaluation method according to claim 1, which is characterized in that the weight of film thickness index described in step (5) takes Value range is 0.05-0.1, and the weight value range of the vapor transmission coefficient index is 0.2-0.4, and the tensile strength refers to Target weight value range is 0.1-0.2, and the weight value range of the elongation index is 0.1-0.2, and the water solubility refers to Target weight value range is 0.2-0.4, and the weight value range of the oxygen transmission rate index is 0.05-0.1, the power of six indexs Refetching the sum of value is 1.
4. evaluation method according to claim 1, which is characterized in that evaluation criterion in step (7) are as follows: when 0≤A≤0.3 When, cigarette humid keeping performance is poor；As 0.3 < A≤0.6, cigarette humid keeping performance is poor；As 0.6 < A≤0.8, cigarette humectation It can be general；As 0.8 < A≤0.9, cigarette humid keeping performance is preferable；As 0.9 < A≤1, cigarette humid keeping performance is good.
Technical field
The invention belongs to tobacco industry application fields, and in particular to a kind of cigarette humectation based on humectant filming performance It can evaluation method.
Background technique
In order to improve the degrading resistance property of tobacco, improve the suction quality of cigarette product, during production of cigarettes usually Need to add humectant, at present using it is relatively broad be polyalcohol, carbohydrate and some plant extracts, the addition of humectant exists Very important meaning is occupied during entire production of cigarettes.At this stage, sense organ is relied primarily on to the evaluation of cigarette humid keeping performance Smoke panel test, but evaluation carried out to cigarette humid keeping performance by sensory evaluation and is primarily present two aspect problems: one side sensory evaluating smoking by Oneself judges the experience of sucking of cigarette product in dependence crowd, there are certain subjectivities for itself, on the other hand feel The product that official smokes panel test is usually to be added to humectant and after series of process is processed, and is developed with regard to research and development of products and humectant For, carrying out the evaluation of cigarette humid keeping performance again at this time, there are hysteresis qualitys, if the cigarette product humectation being added to after humectant It can be not up to research and development of products requirement and the market demand, new humectant is selected then must start over, by a series of processing It is evaluated again afterwards, no matter is all very big waste from production cost or time cost.
Therefore, before humectant is added to cigarette product, after the self performance according to humectant is added to cigarette to it Cigarette humid keeping performance evaluated, and establish corresponding evaluation method, realize the anticipation in advance of cigarette humid keeping performance evaluation just Seem particularly necessary.
Summary of the invention
The present invention provides a kind of cigarette humid keeping performance evaluation method based on humectant filming performance comprising following step It is rapid:
(1) humectant is made to the humectant film of smooth corrugationless；
(2) humectant film obtained in step (1) is taken, the performance indicator of the humectant film is measured, and detecting number is n Secondary, n >=3, measurement result is denoted as x respectively1, x2…xn；The performance indicator is that film thickness, vapor transmission coefficient, tension are strong Six degree, elongation, water solubility and oxygen transmission rate indexs；
(3) measurement result in step (2) is standardized according to formula (1), calculates the performance indicator measurement knot Numerical value y after fruit standardization:
In formula: xavgFor measurement result x1, x2…xnAverage value；xmaxFor measurement result x1, x2…xnIn maximum value, xminFor measurement result x1, x2…xnIn minimum value；
By six film thickness, vapor transmission coefficient, tensile strength, elongation, water solubility and oxygen transmission rate index determining knots It is denoted as y respectively after fruit standardization1, y2, y3, y4, y5, y6；
(4) respectively to six film thickness, vapor transmission coefficient, tensile strength, elongation, water solubility and oxygen transmission rate indexs Weight is assigned, calculates the numerical value y ' after six indexs assign weight according to formula (2):
Y '=y × weight value (2)
In formula: y is the numerical value y after six index determining result standardizations1, y2, y3, y4, y5, y6；By film thickness, water Numerical value after six vapor permeation coefficient, tensile strength, elongation, water solubility and oxygen transmission rate indexs imparting weights is denoted as respectively y’1, y '2, y '3, y '4, y '5, y '6；
(5) humectant film comprehensive performance score A is calculated according to formula (3):
A=y '1+y’2+y’3+y’4+y’5+y’6 (3)
In formula: y '1, y '2, y '3, y '4, y '5, y '6Respectively step (5) media thickness, vapor transmission coefficient, tension are strong Six degree, elongation, water solubility and oxygen transmission rate indexs assign the numerical value after weight；
(6) evaluation criterion is established, cigarette humid keeping performance is evaluated according to humectant film comprehensive performance score A.
Preferably, in step (1) humectant film preparation the following steps are included:
(1) humectant 10-50g is taken, is slowly added in the deionized water stirred, continues to stir 2-3h, with 2-4mol/ L NaOH adjusts pH to 7.0, obtains humectation agent solution；
(2) the humectation agent solution that step (1) obtains is heated into 60-100 DEG C of water-bath 30-60min, takes out cooling, Glycerol is added, obtains filming emulsion；
(3) filming emulsion obtained in step (2) is deaerated 10-20min with vacuum degassing machine at 1MPa, then with moving Liquid pipe pipettes on part filming emulsion to HDPE smooth plate, is placed on 25 ± 1 DEG C, the constant temperature and humidity drying case that RH is 53 ± 1% Middle dry 0.5h takes film formed after drying off, obtains the humectant film of smooth corrugationless.
Preferably, the weight value range of film thickness index described in step (5) is 0.05-0.1, and the vapor penetrates The weight value range of coefficient index is 0.2-0.4, and the weight value range of the tensile strength index is 0.1-0.2, described The weight value range of elongation index is 0.1-0.2, and the weight value range of the water solubility index is 0.2-0.4, described The weight value range of oxygen transmission rate index is 0.05-0.1, and the sum of weight value of six indexs is 1.
Preferably, evaluation criterion in step (7) are as follows: as 0≤A≤0.3, cigarette humid keeping performance is poor；When 0.3 < A≤ When 0.6, cigarette humid keeping performance is poor；As 0.6 < A≤0.8, cigarette humid keeping performance is general；As 0.8 < A≤0.9, cigarette Humid keeping performance is preferable；As 0.9 < A≤1, cigarette humid keeping performance is good, that is to say, that and humectant film comprehensive performance score A is higher, Illustrate that cigarette humid keeping performance is better.
The present invention measures humectant film properties using following methods:
(1) film thickness: measuring thickness with micrometer caliper, measures the thickness on four vertex of film and central point and asks it average Value.
(2) vapor transmission coefficient: according to GB 1037-1988 " plastic film and sheet material water vapor permeability test method cup Formula method " measurement.
(3) wax-anti dispersant tensile strength, elongation: is measured using AXT2i- property tester.
(4) water-soluble: film to be placed in 105 DEG C of electric heating constant-temperature blowing drying box after drying for 24 hours, it is made to be substantially soluble in water In, the water-soluble size of film is indicated by dissolving the percentage of caudacoria weight reduction.
(5) oxygen transmission rate: foundation GB/T 1038-2000 " plastic film and thin slice gas-premeable test method pressure differential method ", It is measured using " concentration increase " method measuring principle.
The present invention compared with the existing technology, has the advantages that
1, the present invention passes through measurement humectant film properties, film thickness, vapor transmission coefficient, tensile strength, elongation, water Dissolubility and oxygen transmission rate, the data obtained to detection are standardized, and assign certain weight respectively, calculate humectant Film comprehensive performance score, establishes corresponding evaluation criterion, evaluation method of the invention compensate in existing evaluation method only with The deficiency that the method for sensory evaluating smoking investigates cigarette humid keeping performance provides scientific, objective for the evaluation of cigarette humid keeping performance Conclusion.
2, the present invention is added to the cigarette humid keeping performance presentation after cigarette using the filming performance and the humectant of humectant Humectant film comprehensive performance score is associated with by the characteristics of correlation with cigarette humid keeping performance, and the cigarette for adding the humectant produces Product obtain sensory evaluating smoking's result identical with evaluation method of the present invention after sensory evaluating smoking personnel sensory evaluating smoking, that is to say, that this Invention evaluation method is accurate and reliable, realizes the anticipation in advance of cigarette humid keeping performance evaluation, compensates for existing evaluation method not Foot, has saved cost.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to the present invention It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to Limit the present invention.
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