CN115097111A - Method for detecting moisture retention performance of lining paper in cigarette box - Google Patents

Abstract

The invention relates to the technical field of lining paper detection, and discloses a method for detecting the moisture retention performance of cigarette case lining paper, which comprises the following steps: s1, detecting the sealing performance of the test box; s2, selecting a plurality of identical detection devices, placing cigarettes into a test box of each detection device, and sealing each test box by using lining paper in each cigarette box; s3, placing the sealed test box in an environment with the temperature of 0-100 ℃ and the relative humidity of 30-95% RH for testing; s4, testing for a preset time, detecting the temperature and the humidity in the test box through a temperature and humidity detector, continuously recording the temperature and the humidity in the test box, and drawing a temperature and humidity change curve chart in the test box; and S5, judging the moisture retention performance of the lining paper in the cigarette box according to the drawn temperature and humidity change curve graph. The detection method can be carried out in different environments, is not easy to be interfered by other factors during testing, has accurate testing result, does not damage cigarettes in the testing process, and avoids cigarette waste.

Description

Test method for moisturizing performance of lining paper in cigarette case

technical field

The invention relates to the technical field of lining paper detection, in particular to a method for detecting the moisturizing performance of lining paper of a cigarette case.

Background technique

At present, with the development of the market economy, cigarette consumers have higher and higher requirements for the quality of cigarettes. The quality of cigarette smoking food, such as aroma and aroma, is directly related to the moisture content of cigarettes. There is generally a standard moisture value when cigarettes are produced and packaged. With the change of storage time and external environment, the moisture of the cigarettes in the cigarette case gradually changes, and the cigarettes may become dry or damp, thus affecting the smoking experience. In this regard, there are various cigarette case lining papers on the market that are moisturizing, moisturizing and fragrant. How to effectively detect whether the cigarette case lining paper can maintain a constant cigarette moisture is the direction of market research.

At this stage, the tobacco industry has two main types of tests on the moisturizing properties of the lining paper of the cigarette case: one is the direct method, which tests the moisture permeability (GB/T2679.2-2015) and the air permeability ( GB/T458-2008) reflects the moisture permeability and air permeability of the lining paper of cigarette packs, but the air permeability test is carried out under the condition of pressure difference, which cannot reflect the moisturizing effect of the lining paper for cigarettes stored under different natural conditions without pressure difference. Performance: In the moisture permeability test, one side of the paper is in a high-humidity environment, and the other side is placed with a desiccant. This method is simple and has a wide range of applications. The details do not take into account the multi-layer process structure of the lining paper and the possible coating on the inner surface of the paper. The moisturizing coating of the cigarette and the moisturizing performance of the lining paper for the cigarette when the cigarette body contains moisture.

The second is the indirect method. By adding other packaging materials to the lining paper of the cigarette case, packaging the cigarettes according to the actual packaging method and then placing them in a high-humidity or dry environment for a simulated test, and sampling periodically. However, this method requires the preparation of a large number of cigarette samples, which is time-consuming, labor-intensive, and material. The difference in moisture content of cigarette samples and the difference in the sample preparation process also have a greater impact on the test results.

SUMMARY OF THE INVENTION

The object of the present invention is to provide a method for detecting the moisturizing performance of cigarette case lining paper, so as to solve the technical problems of limited testing environment, complicated testing methods and inaccurate testing results when testing the moisturizing performance of cigarette case lining paper at the current stage.

In order to achieve the above purpose, the present invention provides a method for detecting the moisturizing performance of lining paper in a cigarette case. The detecting method is carried out by a detecting device. The detecting device includes a test box and a temperature and humidity detector, and the detecting method includes The following steps:

S1. Check the tightness of the test box;

S2, select several identical detection devices, put cigarettes in the test box of each detection device, and each test box is sealed with cigarette box lining paper respectively;

S3. Place the sealed test box in an environment with a temperature of 0-100°C and a relative humidity of 30-95% RH for testing;

S4, the test lasts for a preset time, the temperature and humidity in the test box are detected by a temperature and humidity detector, the temperature and humidity in the test box are continuously recorded, and a temperature and humidity change curve in the test box is drawn;

S5. Determine the moisturizing performance of the inner lining paper of the cigarette case according to the drawn temperature and humidity change curve.

Optionally, before the step S2, the method further includes the step of measuring and recording the weight of the lining paper of the cigarette case and the cigarette before the detection.

Optionally, in the step S2, twenty cigarettes are placed in each test box of the detection device.

Optionally, in the step S2, the cutting area of the inner lining paper of the cigarette case is the same as the area of the packaging inner lining paper of the cigarette.

Optionally, in the step S3, the sealed test box is placed in a constant temperature and humidity box with a temperature of 23° C. and a relative humidity of 50% RH for testing.

Optionally, two detection devices are selected, and the inner lining paper of the cigarette case includes a ceramic-containing inner lining paper and a ceramic-free inner lining paper.

Optionally, before the step S5, the method further includes the step of measuring and recording the weight of the lining paper of the cigarette case and the cigarette after the detection.

Compared with the prior art, the method for detecting the moisturizing performance of the lining paper of a cigarette case according to the embodiment of the present invention has the beneficial effects that: the method for detecting the moisturizing performance of the lining paper of the cigarette case according to the embodiment of the present invention uses the lining paper of the cigarette case to seal and place it. There is an opening of the test box of cigarettes, put the test box in a high humidity or dry environment for a period of time, and regularly record the change of relative humidity in the test box to obtain the basic data of the relative humidity change of the lining paper of the cigarette box, so as to judge the cigarette case. Moisturizing properties of box lining paper. The detection method can be carried out in a high humidity environment or in a dry environment, the test is not disturbed by other factors, the test result is accurate, and the cigarette is not damaged during the test, so as to avoid waste of cigarettes.

Description of drawings

1 is a schematic flowchart of a method for detecting the moisturizing performance of lining paper in a cigarette case according to an embodiment of the present invention;

2 is an exploded schematic diagram of a cigarette case lining paper detection device according to an embodiment of the present invention;

3 is a schematic structural diagram of a cigarette case lining paper detection device in an embodiment of the present invention;

FIG. 4 is a graph showing the change of relative humidity of the inner lining paper of the cigarette case according to the embodiment of the present invention.

In the figure, 100, detection device; 1, test box; 11, base; 11a, pillar; 12, gasket; 13, groove; 13a, tank body; 14, cover plate; 2, temperature and humidity detector; 21 , temperature and humidity sensor; 22, data output port; 3, cigarette case lining paper.

Detailed ways

The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments. The following examples are intended to illustrate the present invention, but not to limit the scope of the present invention.

In the description of the present invention, it should be noted that the orientations or positional relationships indicated by the terms "upper", "lower", "front", "rear", "inner", "outer", etc. are based on those shown in the accompanying drawings. The orientation or positional relationship is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated devices and elements must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

As shown in FIG. 1 , a method for detecting the moisturizing performance of a cigarette case lining paper according to a preferred embodiment of the present invention is performed by a detection device, and the detection device includes a test box and a temperature and humidity detector, and the detection method specifically includes the following steps :

S1. Check the tightness of the test box;

S2, select several identical detection devices, put cigarettes in the test box of each detection device, and each test box is sealed with cigarette box lining paper respectively;

S3. Place the sealed test box in an environment with a temperature of 0-100°C and a relative humidity of 30-95% RH for testing;

S4, the test lasts for a preset time, the temperature and humidity in the test box are detected by a temperature and humidity detector, the temperature and humidity in the test box are continuously recorded, and a temperature and humidity change curve in the test box is drawn;

S5. Determine the moisturizing performance of the inner lining paper of the cigarette case according to the drawn temperature and humidity change curve.

Based on the above technical solution, before testing the moisturizing performance of the lining paper of the cigarette case, firstly check the airtightness of the test case, seal the opening of the test case with aluminum-plastic composite film, and place it under the conditions of temperature and humidity at 24°C and 90% RH. For 5 consecutive days, observe the relative humidity change in the box; then select several identical detection devices, put cigarettes in the test box of each detection device, and each test box is sealed with cigarette box lining paper; The sealed test box is placed in an environment with a temperature of 0-100°C and a relative humidity of 30-95% RH for testing; the test lasts for 10 days, and the temperature and humidity in the test box are detected by a temperature and humidity detector, and the test box is continuously recorded. The temperature and humidity in the test box are drawn, and the temperature and humidity change curve in the test box is drawn; finally, the moisturizing performance of the lining paper of the cigarette case is judged according to the drawn temperature and humidity change curve.

Specifically, in some embodiments, the detection method is performed by a detection device 100. As shown in FIG. 2-3, the detection device 100 includes a test box 1 and a temperature and humidity detector 2. The test box 1 has a base 11 and a temperature and humidity detector 2. A cover plate 14 with a through hole, the upper surface of the base 11 is provided with a groove 13 for placing cigarettes, the cover plate 14 can be covered on the upper surface of the base 11, and the temperature and humidity detector 2 includes a temperature and humidity sensor 21. The temperature and humidity sensor The temperature and humidity sensor 21 is arranged in the groove 13 and divides the groove 13 into two symmetrical groove bodies 13 a. The temperature and humidity sensor 21 is used to collect the temperature and humidity in the groove 13 . In order to improve the sealing performance during the test, a sealing gasket 12 is also arranged between the base 11 and the cover plate 14, the temperature and humidity sensor 21 is arranged in the middle position of the width of the groove 13, and the groove 13 is evenly divided into two symmetrical parts. trough body 13a. The cover plate 14 is detachably covered on the upper surface of the base 11 . The cover plate 14 and the base 11 are fastened with bolts to prevent the exchange of internal and external water vapor and prevent the water vapor from affecting the test results. In addition, the temperature and humidity detector 2 is provided with a data output port 22 for outputting temperature and humidity data. The data output port 22 is connected to an external display. During the test, the temperature and humidity data is transmitted to the display in real time, which is convenient for testers to record. In this embodiment, the bottom of the base 11 is provided with a plurality of pillars 11a, and the pillars 11a support the test box 1 to a certain height, so as to be better assembled with the temperature and humidity detector 2 .

When using the detection device 100, put ten cigarettes in each of the two groove bodies 13a of the groove 13, and the cut tobacco mouths of the cigarettes are all arranged towards the temperature and humidity sensor 21, and the sealing gasket 12 is first placed at the opening of the test box 1, Then cover the groove 13 with the inner lining paper 3 of the cigarette case. The inner lining paper 3 of the cigarette case is arranged between the sealing gasket 12 and the cover plate 14, and then cover the base 11 with the cover plate 14. Use bolts to connect the cover plate 14 to the cover plate 14. The base 11 is fastened, and finally the detection device 100 is placed in a test environment for real-time testing, so as to judge the moisturizing performance of the lining paper 3 of the cigarette case.

Preferably, in this embodiment, in order to avoid quality errors between the lining paper 3 of different cigarette cases and the cigarettes, the cigarette case is measured and recorded before all cigarettes are put into the test case 1 and sealed with the lining paper 3 of the cigarette case. For the weight of the lining paper 3 and the cigarettes, only the lining paper 3 and the cigarettes whose mass is within the allowable error range are selected for testing.

Further, in this embodiment, twenty cigarettes are placed in the test box 1 of each detection device 100 to simulate the actual situation that a pack of cigarettes packs twenty cigarettes, and the test can more directly reflect the inside of the cigarette pack. Moisturizing performance of interlining paper 3 when packing cigarettes.

For the same purpose, when the test box 1 is sealed with the lining paper 3 of the cigarette case, the cutting area of the lining paper 3 of the cigarette case is the same as the area of the packing lining paper of the actual cigarette case, and the test can more truly reflect the lining paper of the cigarette case. 3. Moisturizing properties when packing cigarettes.

Specifically, in this embodiment, the sealed test box 1 is placed in a constant temperature and humidity box for testing, and the temperature of the constant temperature and humidity box is set to 23° C. and the relative humidity is 50% RH. During testing, two detection devices are selected, and the test boxes 1 of the two detection devices 100 are respectively sealed with ceramic-containing lining paper and non-ceramic lining paper.

Further, in this embodiment, after drawing the temperature and humidity change curve diagram in the test box 1, measure and record the weight of the cigarette case lining paper 3 and the cigarette, by comparing the moisture content of the cigarette case lining paper and the cigarette, Further verify whether the lining paper of the cigarette case has moisturizing properties.

Specifically, in some embodiments, as shown in FIG. 4 , under the condition that the initial moisture content of the lining paper of the cigarette case and the moisture content of the cigarette are basically the same, the moisturizing performance test of the lining paper of the cigarette case is started under the condition of 50% humidity. After a ten-day test period, it was found that: in the initial stage, the humidity in the two test boxes 1 gradually increased with the release of moisture from the cigarette and the cigarette box lining paper 3. The moisture permeability of the ceramic lining paper causes the moisture in the test box 1 to be released to the outside, so the humidity in the test box 1 has an inflection point and begins to drop; after the ceramic lining paper is tested for five days, the humidity in the test box 1 tends to be flat. , until the end of the test, the humidity in the test box 1 was maintained at 63.6%. According to the humidity change curve, it can be judged that the moisturizing performance of the cigarette case lining paper containing ceramics for cigarettes is obviously better than that of the ordinary cigarette case lining paper without ceramics, that is, the waterproof and air permeability of the cigarette case lining paper containing ceramics The ability is obviously better than that of ordinary cigarette case lining paper.

The working process of the present invention is as follows: firstly, the tightness of the test box is detected, then several identical detection devices are selected, cigarettes are placed in the test box of each detection device, and each test box is sealed with cigarette box lining paper respectively. ; Then place the sealed test box in an environment with a temperature of 0-100°C and a relative humidity of 30-95% RH for testing; the test lasts for a preset time, and the temperature and humidity in the test box are detected by a temperature and humidity detector. , continuously record the temperature and humidity in the test box, and draw the temperature and humidity change curve in the test box; finally, judge the moisturizing performance of the lining paper of the cigarette case according to the drawn temperature and humidity change curve.

To sum up, the embodiments of the present invention provide a method for detecting the moisturizing performance of cigarette case lining paper, which can be performed in a high humidity environment or in a dry environment, and is not disturbed by other factors during the test. It is accurate, and the test process will not cause damage to the cigarettes and avoid waste of cigarettes.

The above are only the preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, without departing from the technical principle of the present invention, several improvements and replacements can be made. These improvements and replacements It should also be regarded as the protection scope of the present invention.

Claims (7)

1. a cigarette case lining paper moisturizing performance detection method, is characterized in that, described detection method is carried out by detection device, and described detection device comprises test box and temperature and humidity detector, The detection method includes the following steps: S1. Check the tightness of the test box; S2, select several identical detection devices, put cigarettes in the test box of each detection device, and each test box is sealed with cigarette box lining paper respectively; S3. Place the sealed test box in an environment with a temperature of 0-100°C and a relative humidity of 30-95% RH for testing; S4, the test lasts for a preset time, the temperature and humidity in the test box are detected by a temperature and humidity detector, the temperature and humidity in the test box are continuously recorded, and a temperature and humidity change curve in the test box is drawn; S5. Determine the moisturizing performance of the inner lining paper of the cigarette case according to the drawn temperature and humidity change curve. 2. cigarette case lining paper moisturizing performance detection method as claimed in claim 1, is characterized in that, before described step S2, also comprises step: Measure and record the weight of the cigarette pack liner and the cigarette before testing. 3. The method for detecting the moisturizing performance of the lining paper of a cigarette case according to claim 1, wherein in the step S2, twenty cigarettes are placed in the test box of each of the detection devices. 4. The method for detecting the moisturizing performance of cigarette case lining paper as claimed in claim 1, wherein in the step S2, the cutting area of the cigarette case lining paper and the packaging lining paper area of the cigarette same. 5. The method for detecting the moisturizing performance of cigarette case lining paper as claimed in claim 1, wherein in the step S3, the sealed test box is placed at a constant temperature where the temperature is 23°C and the relative humidity is 50% RH Tested in a constant humidity chamber. 6 . The method for detecting the moisturizing performance of cigarette case lining paper according to claim 1 , wherein two of the detection devices are selected, and the cigarette case lining paper comprises ceramic-containing lining paper and ceramic-free lining paper. 7 . 7. cigarette case lining paper moisturizing performance detection method as claimed in claim 1, is characterized in that, before described step S5, also comprises step: Measure and record the weights of the cigarette pack liner and the cigarettes after testing.

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