Film gauze microspheres cosmetic permeability testing device

Abstract

The utility model belongs to the field of air permeability test, concretely relates to a kind of Film Yarn Sphere cosmetic air permeability testing device of thin film gauze microsphere, is called FYS cosmetic air permeability testing device for short. The testing device includes shell, tray, microsphere, makeup septum;Shell includes air inlet in below and air outlet in above;Tray is horizontally arranged in shell, and the outer edge of tray is connected with the inner wall circumference of shell, and a plurality of circular through holes are provided on tray;Microsphere is movably arranged above each circular through hole, and the diameter of microsphere is greater than the diameter of circular through hole;Makeup septum is arranged in shell, and the outer edge of makeup septum is connected with the inner wall circumference of shell. By air inlet in below, then observe the number of relative displacement of microsphere on tray, the air permeability of cosmetic coating on makeup septum can be directly observed visually.

Description

Technical Field

[0001] This utility model belongs to the field of air permeability testing, specifically relating to a device for testing the air permeability of thin film mesh microsphere cosmetics. Background Technology

[0002] Breathability, as one of the important indicators of cosmetic performance, directly affects skin health and the effectiveness of use.

[0003] Currently, the main testing methods for the breathability of cosmetics on the market include the breathable membrane method, the differential pressure gas permeation method, and the skin simulation method. While these traditional testing methods can reflect the breathability of cosmetics to a certain extent, they often have drawbacks such as complex operation, unstable test results, and long testing time, making it difficult to meet the needs of rapid research and development, production, and visual comparison.

[0004] To address this issue, it is particularly important to provide a testing device and method for the air permeability of Film Yarn Sphere (FYS) cosmetics. This device should be easy to operate, provide rapid results, and allow for visualization of the results, enabling direct and visual observation of the air permeability performance of the cosmetic coating on the makeup separator. Utility Model Content

[0005] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, this invention proposes a Film Yarn Sphere cosmetic breathability testing device, abbreviated as FYS cosmetic breathability testing device; this testing device and method are characterized by ease of operation, rapid result output, and result visualization.

[0006] The concept of this utility model is as follows: by introducing air into the lower part of the testing device, the air passes through the cosmetic coating to be tested, blowing up the foam particles above and causing them to shift, thereby achieving the purpose of visually testing the breathability of the cosmetic coating.

[0007] The first aspect of this utility model provides a device for testing the air permeability of thin film mesh microsphere cosmetics.

[0008] Specifically, a thin film mesh microsphere cosmetic breathability testing device includes a shell, a tray, microspheres, and a makeup diaphragm;

[0009] The housing includes an air inlet at the bottom and an air outlet at the top;

[0010] The tray is horizontally disposed inside the housing, and the outer edge of the tray is connected to the inner circumference of the housing. The tray is provided with a plurality of circular through holes.

[0011] The number of microspheres corresponds to the number of circular through holes, each microsphere is movably placed on each of the circular through holes, and the diameter of each microsphere is larger than the diameter of the circular through hole;

[0012] The makeup diaphragm is disposed inside the housing, and the outer edge of the makeup diaphragm is connected to the inner circumference of the housing.

[0013] Compared with the prior art, the beneficial effects of the thin film mesh microsphere cosmetic breathability testing device provided by the first aspect are as follows: by venting air through the air inlet below and then observing the number of microspheres that undergo relative displacement on the tray, the breathability performance of the cosmetic coating on the makeup diaphragm can be directly visualized; at the same time, the testing process is simple and efficient.

[0014] Preferably, the shell is a cylindrical shell.

[0015] It should be noted that the number of circular through holes can be adjusted according to the needs of those skilled in the art. The number of through holes in this utility model can be 2-10 or 10-30.

[0016] Preferably, the number of circular through holes is 2-100; more preferably, the number of circular through holes is 5-15.

[0017] Preferably, the circular through hole is an upwardly protruding circular through hole; more preferably, the protrusion height of the upwardly protruding circular through hole is 0.3-3mm.

[0018] Preferably, the diameter of the circular through hole is 0.1-2 mm; more preferably, the diameter of the circular through hole is 0.1-1 mm.

[0019] Preferably, the circular through holes are arranged in an array or a ring on the tray, and the distance between each circular through hole is equal.

[0020] Preferably, the microspheres are made of foamed plastic; more preferably, the foamed plastic includes polyurethane foam, polystyrene foam, polyvinyl chloride foam, polyethylene foam, and phenolic foam.

[0021] Preferably, the diameter of the microspheres is 0.1-2 mm; more preferably, the diameter of the microspheres is 0.1-1 mm.

[0022] Preferably, the density of the microspheres is 2-50 kg / m³. 3 More preferably, the density of the microspheres is 2-20 kg / m³. 3 More preferably, the density of the microspheres is 2-10 kg / m³. 3 .

[0023] Preferably, the makeup diaphragm is located below the tray.

[0024] Preferably, the material of the makeup diaphragm includes at least one of natural fiber fabric, synthetic fiber fabric, and filter paper; more preferably, the natural fiber fabric includes at least one of cotton, linen, silk, and animal hair, and the synthetic fiber fabric includes at least one of polyester, nylon, and spandex.

[0025] Preferably, the denier of the makeup diaphragm is 20-600D; more preferably, the denier of the makeup diaphragm is 40-200D.

[0026] Preferably, the film mesh microsphere cosmetic breathability testing device further includes a support ring, the outer edge of which is connected to the inner circumference of the outer shell, the support ring being located below and connected to the makeup diaphragm and used to support the makeup diaphragm.

[0027] Preferably, the film mesh microsphere cosmetic air permeability testing device further includes a pressure ring, the outer edge of which is connected to the inner circumference of the outer shell. The pressure ring is located above and connected to the makeup diaphragm, and is used to clamp and fix the makeup diaphragm onto the support ring.

[0028] The combination of the bearing ring and the pressure ring can also improve the sealing performance and prevent experimental errors caused by uneven cosmetic coating at the edge of the makeup diaphragm.

[0029] The method for testing the breathability of cosmetics using the aforementioned film mesh microsphere cosmetic breathability testing device includes the following steps:

[0030] (1) Coat the cosmetic coating to be tested onto the makeup diaphragm and assemble the thin film mesh microsphere cosmetic air permeability testing device;

[0031] (2) Introduce gas at a preset pressure into the air inlet;

[0032] (3) Observe the number of displacements of the microspheres.

[0033] Preferably, the preset air pressure is greater than 0.101325 MPa and less than or equal to 1.01325 MPa; more preferably, the preset air pressure is greater than 0.101325 MPa and less than or equal to 0.506625 MPa.

[0034] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0035] (1) By ventilating through the air inlet below and then observing the number of microspheres that undergo relative displacement on the tray, the breathability of the cosmetic coating on the makeup diaphragm can be visually observed and compared. At the same time, the test process is simple and efficient. Attached Figure Description

[0036] Figure 1 This is a schematic diagram of the structure of a thin film mesh microsphere cosmetic air permeability testing device according to an embodiment of the present invention;

[0037] Figure label:

[0038] 100 housing, 110 air outlet, 120 air inlet, 200 tray, 210 circular through hole, 300 microspheres, 400 makeup diaphragm. Detailed Implementation

[0039] To enable those skilled in the art to more clearly understand the technical solution described in this utility model, the following embodiments are provided for illustration. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. It should be noted that the following embodiments do not constitute a limitation on the scope of protection claimed by this utility model.

[0040] Reference Figure 1 , Figure 1 This is a schematic diagram of the structure of a thin film mesh microsphere cosmetic air permeability testing device according to an embodiment of the present utility model, including a shell 100, a tray 200, microspheres 300, and a makeup diaphragm 400;

[0041] The housing 100 includes an air inlet 120 at the bottom and an air outlet 110 at the top;

[0042] The tray 200 is horizontally disposed inside the housing 100, and the outer edge of the tray 200 is connected to the inner circumference of the housing 100. The tray 200 is provided with a number of circular through holes 210.

[0043] The number of microspheres 300 corresponds to the number of circular through holes 210, each microsphere 300 is movably placed on each of the circular through holes 210, and the diameter of the microsphere 300 is larger than the diameter of the circular through hole 210.

[0044] The makeup diaphragm 400 is disposed inside the housing 100, and the outer edge of the makeup diaphragm 400 is connected to the inner circumference of the housing 100.

[0045] According to some embodiments of the present invention, the shell 100 is a cylindrical shell.

[0046] It should be noted that the number of circular through holes 210 can be adjusted according to the needs of those skilled in the art. The number of through holes in this utility model can be 2-10 or 10-30.

[0047] According to some embodiments of this utility model, the number of microspheres 300 is the same as the number of circular through holes 210.

[0048] According to some embodiments of the present invention, the circular through hole 210 is an upwardly protruding circular through hole 210; more preferably, the protrusion height of the upwardly protruding circular through hole 210 is 0.3-3mm.

[0049] According to some embodiments of the present invention, the diameter of the circular through hole 210 is 0.1-2 mm; more preferably, the diameter of the circular through hole 210 is 0.1-1 mm.

[0050] According to some embodiments of the present invention, the circular through holes 210 are arranged in an array or a ring on the tray 200, and the distance between each circular through hole 210 is equal.

[0051] According to some embodiments of the present invention, the microspheres 300 are made of foamed plastic; more preferably, the foamed plastic includes polyurethane foam, polystyrene foam, polyvinyl chloride foam, polyethylene foam, and phenolic foam.

[0052] According to some embodiments of the present invention, the diameter of the microspheres 300 is 0.1-2 mm; more preferably, the diameter of the microspheres 300 is 0.1-1 mm.

[0053] According to some embodiments of this utility model, the density of microspheres 300 is 1-50 kg / m³. 3 Further preferably, the density of microspheres 300 is 1-20 kg / m³. 3 Furthermore, the density of microspheres 300 is 1-10 kg / m³. 3 .

[0054] According to some embodiments of the present invention, the makeup diaphragm 400 is located below the tray 200.

[0055] According to some embodiments of the present invention, the material of the makeup diaphragm 400 includes at least one of natural fiber fabric, synthetic fiber fabric, and filter paper; more preferably, the natural fiber fabric includes at least one of cotton, linen, silk, and animal hair, and the synthetic fiber fabric includes at least one of polyester, nylon, and spandex.

[0056] According to some embodiments of the present invention, the denier of the makeup diaphragm 400 is 20-600D; more preferably, the denier of the makeup diaphragm 400 is 40-200D.

[0057] According to some embodiments of the present invention, the thin film mesh microsphere cosmetic air permeability testing device further includes a support ring. The outer edge of the support ring is connected to the inner circumference of the outer shell. The support ring is located below the makeup diaphragm 400 and connected to the makeup diaphragm 400, and is used to support the makeup diaphragm 400.

[0058] According to some embodiments of the present invention, the thin film mesh microsphere cosmetic air permeability testing device further includes a pressure ring, the outer edge of which is connected to the inner circumference of the outer shell. The pressure ring is located above and connected to the makeup diaphragm 400, and is used to clamp and fix the makeup diaphragm 400 onto the support ring. Example 1

[0059] A test method for the breathability of cosmetics.

[0060] This method uses a cosmetic air permeability testing device for thin-film mesh microspheres, including a cylindrical shell, a tray, and microspheres with a diameter of 0.5 mm and a density of 5 kg / m³. 3 Polyethylene foam microspheres, 100D silk diaphragm, support ring and pressure ring;

[0061] The housing includes an air inlet at the bottom and an air outlet at the top;

[0062] The tray is horizontally positioned inside the housing, with its outer edge connected to the inner circumference of the housing. The tray has eight annularly arranged, upward-protruding circular through holes with a diameter of 0.4 mm and a protrusion height of 0.5 mm.

[0063] Each circular through hole has a movably disposed above it, and the diameter of the microsphere is larger than the diameter of the circular through hole;

[0064] The makeup diaphragm is located inside the housing, and the outer edge of the makeup diaphragm is connected to the inner circumference of the housing. The makeup diaphragm is located below the tray.

[0065] The outer edge of the support ring is connected to the inner circumference of the outer shell, and the outer edge of the pressure ring is connected to the inner circumference of the outer shell. The support ring is located below the makeup diaphragm, and the pressure ring is located above the makeup diaphragm. The support ring and the pressure ring clamp and fix the makeup diaphragm.

[0066] The steps for testing the breathability of cosmetics are as follows:

[0067] (1) Coat the cosmetic coating to be tested with the diaphragm and assemble the thin film mesh microsphere cosmetic air permeability test device;

[0068] (2) Introduce gas with a preset pressure of 0.202650 MPa into the air inlet;

[0069] (3) Observe the number of displacements of the microspheres.

[0070] The cosmetics to be tested were foundation I, foundation II, foundation III, and foundation IV. The breathability test data are recorded in Table 1.

[0071] Table 1. Air permeability test data for Example 1

[0072] Number of microsphere displacements (individuals) Foundation I 4 Foundation II 2 Foundation III 1 Foundation IV 2

[0073] By venting air through the lower air inlet and then observing the number of microspheres that undergo relative displacement on the tray, the breathability of the cosmetic coating on the makeup diaphragm can be visually observed.

Claims

1. A device for testing the air permeability of thin film mesh microspheres in cosmetics, characterized in that, The thin film mesh microsphere cosmetic breathability testing device includes a shell, a tray, microspheres, and a makeup diaphragm; The housing includes an air inlet at the bottom and an air outlet at the top; The tray is horizontally disposed inside the housing, and the outer edge of the tray is connected to the inner circumference of the housing. The tray is provided with a plurality of circular through holes. The number of microspheres corresponds to the number of circular through holes, each microsphere is movably placed on each of the circular through holes, and the diameter of each microsphere is larger than the diameter of the circular through hole; The makeup diaphragm is disposed inside the housing, and the outer edge of the makeup diaphragm is connected to the inner circumference of the housing.

2. The cosmetic air permeability testing device for thin film mesh microspheres according to claim 1, characterized in that, The circular through hole is an upwardly protruding circular through hole, and the protrusion height of the upwardly protruding circular through hole is 0.3-3mm.

3. The device for testing the air permeability of thin film mesh microsphere cosmetics according to claim 1, characterized in that, The diameter of the circular through hole is 0.1-2 mm.

4. The device for testing the air permeability of thin film mesh microsphere cosmetics according to claim 1, characterized in that, The diameter of the microspheres is 0.1-2 mm.

5. The device for testing the air permeability of thin film mesh microsphere cosmetics according to claim 1, characterized in that, The density of the microspheres is 2-50 kg / m³. 3 .

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