A preparation process of long-lasting makeup foundation composition

Abstract

The present invention relates to the field of cosmetic preparation, and in particular to a preparation process for a long-lasting makeup foundation composition. The process comprises the following steps: crushing a powder into coarse particles, injecting the coarse particles and freeze-dried air into a grinder, crushing the coarse particles into powder particles by using a high-speed airflow, and taking photos and sampling in a sampling area to form crushed samples. The crushed samples are transmitted to a visual learning module via a computer, and the crushed samples are learned by a crushed particle size monitoring model. The crusher pressure is adjusted, and the powder particle size is visualized by using a visual learning method, thereby achieving full recording of the powder crushing process, making the crushing efficiency higher, reducing the difficulty of preparing the foundation composition, improving the utilization rate of materials, and making the foundation composition more refined.

Description

Technical Field

[0001] The invention relates to the field of cosmetic preparation, and in particular to a preparation process of a long-lasting makeup foundation composition. Background Art

[0002] Foundation can adjust skin tone, improve facial texture, and make skin glow. It is the first step in makeup. Moreover, as the foundation of makeup, foundation is the prelude to subsequent makeup and is directly related to the overall effect of makeup. At the same time, as the first step of makeup, foundation directly contacts the skin, and its skin feel directly affects the experience of makeup.

[0003] As a widely used type of foundation, liquid foundation has the characteristics of light texture, easy to apply, and less greasy. When applying makeup, liquid foundation can form a film layer on the skin surface to cover blemishes and form the basis of makeup. The texture of liquid foundation directly affects the skin feel and makeup lasting effect. However, the existing liquid foundation on the market is usually large in particles and easy to get stuck, which clogs pores and makes the makeup effect last poorly. It leads to makeup falling off or smudges due to facial oiliness or sweating, which seriously affects the image of the user and requires frequent makeup touch-ups.

[0004] Chinese patent application number: CN112641659A discloses an efficient and long-lasting foundation and its preparation method. Its raw materials include, by weight ratio, phase A: 4-15% polydimethylsiloxane, 0.5-10% trimethylsiloxysilicate, 2-12% moisturizer, 3-15% emulsifier, 0.5-4% phenyl trimethylsiloxane, 0.1-5% glycerol derivative, 0.2-2% magnesium sulfate, 0.5-2% disteardimethylamine hectorite, 0.1-0.8% ethanol, 0.01-2% thickener, 0.02-0.2% allantoin, 0.05-2% emollient, 0.05-2% filler, 1-3% filler, 0.03-0.6% preservative, 0.1% flavor; water to make up the balance; phase B: 10-17% colorant. The invention provides a highly effective long-lasting liquid foundation, which is moisturizing and long-lasting, not easy to come off, not afraid of oil and sweat, and has the functions of moisturizing and concealing blemishes; the raw materials are environmentally friendly and have no pungent odor, and meet the requirements of cosmetic hygiene chemistry and microbiology; the product has a wide temperature resistance, strong storage stability, and has broad application prospects.

[0005] However, the above method has the following problems: the powder particles cannot be finely processed, the particle size is large and uneven, the color development and adhesion are poor, and it is easy to oxidize, which can easily clog the pores during use, resulting in poor makeup durability. Summary of the invention

[0006] To this end, the present invention provides a preparation process for a long-lasting makeup foundation composition, so as to overcome the problems in the prior art that powder particles cannot be finely processed, have large and uneven particle sizes, poor color development and adherence, are easily oxidized, and result in uneven mixing of oil and water during emulsification of the foundation, which in turn leads to easy clogging of pores during use, resulting in poor makeup durability.

[0007] To achieve the above object, the present invention provides a preparation process of a long-lasting makeup foundation composition, comprising:

[0008] Step S1, crushing the powder into coarse particles;

[0009] Step S2, detecting the particle size of the coarse particles, and when the coarse particles reach a preset particle size range, injecting the coarse particles and freeze-dried air into a pulverizer;

[0010] Step S3, using a high-speed airflow to crush the coarse particles into powder particles within a target particle size range;

[0011] Step S4, the powder particles are passed through a sampling channel from a pulverizer into a sampling area for photographing and sampling;

[0012] Step S5, the crushed sample is transmitted to the visual learning module via the computer, and the visual learning module learns the crushed sample.

[0013] Wherein, the visual learning module is provided with a corresponding crushed particle size monitoring model, and the crushed particle size monitoring model is provided with a particle size threshold;

[0014] Step S6, for the powder particles exceeding the particle size threshold, return to step S2, and adjust the crusher pressure accordingly according to the actual particle size of the crushed particles;

[0015] The particle size is the diameter of the circumscribed circle of the particle projected on the horizontal plane of the sampling area.

[0016] Furthermore, the specific steps of crushing the coarse particles into powder particles include:

[0017] Step St1, collecting air and passing it into an air compressor, and passing the compressed air into a low-temperature and low-pressure refrigerator for dehumidification and refrigeration treatment;

[0018] Step St2, adjusting the pulverizer to a preset pressure and preset working parameters;

[0019] Step St3, injecting the coarse particles and the freeze-dried air into the pulverizer and pulverizing them into the powder particles.

[0020] Furthermore, the powder particles are formed into a semi-finished product with a particle size within the target particle size range under the action of the pulverizer.

[0021] Wherein, the particle size is not greater than the diameter of the sampling channel.

[0022] Furthermore, the powder particles pass through the sampling channel from the pulverizer into the sampling area for photographing and sampling.

[0023] Wherein, the sampling area is provided with a camera with fixed pixels matching visual learning.

[0024] Furthermore, the timer of the sampling area is provided with an interval time, and each time the interval time elapses, the upper surface of the powder particles entering the sampling area is photographed and sampled.

[0025] The upper surface of the powder particles is photographed and sampled, which is the crushed sample.

[0026] Furthermore, the crushed sample is fitted, and a number of corresponding filtering data are formed according to a number of particle size characteristics of the crushed sample.

[0027] Furthermore, the visual learning module is provided with a corresponding crushed particle size monitoring model.

[0028] The crushed particle size detection model is trained and generated based on the crushed particle size database to generate the filtered data, and the corresponding AI crushed particle size map is generated by the crushed particle size detection model.

[0029] The AI ​​crushed particle size diagram is a two-dimensional image formed by the filtering data.

[0030] Further, according to the AI ​​crushed particle size diagram, the powder particles reaching the particle size threshold are returned to the crusher, and the crusher working pressure is determined according to the particle size threshold and the AI ​​crushed particle size diagram, and the corresponding working pressure is adjusted in the next cycle.

[0031] The particle size threshold is the highest standard for the particle size of the crushed particles.

[0032] Furthermore, the powder particles that do not reach the particle size threshold value are passed through the pipeline from the sampling area into the grinding area for three powder treatments.

[0033] Furthermore, the powder enters a crushing box and is crushed into the coarse particles within a preset particle size range through an extrusion slot of the crushing box.

[0034] Compared with the prior art, the present invention crushes the powder into coarse particles, injects the coarse particles and freeze-dried air into a grinder, crushes the coarse particles into powder particles with a high-speed airflow, enters a sampling area to take photos and samples, forms crushed samples, and transmits them to a visual learning module through a computer. The crushed samples are learned through a crushed particle size monitoring model, the crusher pressure is adjusted, and the powder particle size is visualized by visual learning, thereby achieving full recording of the powder crushing process, making the crushing efficiency higher, reducing the difficulty of preparing the foundation composition, improving the utilization rate of materials, making the foundation composition more refined, and effectively improving the uniformity of the foundation during emulsification.

[0035] Furthermore, by subjecting the powder to multi-stage crushing, the powder is first crushed into coarse particles, which effectively reduces the difficulty of the crushing process; the coarse particles are then crushed into fine particles, which reduces the waste of materials during the powder crushing process. While improving the material utilization rate, the uniformity of the foundation during emulsification is further improved.

[0036] Furthermore, by freeze-drying the air, the stickiness of the powder particles during crushing is avoided, the difficulty of preparing the foundation composition is reduced, the foundation composition is made finer, and the uniformity of the foundation during emulsification is further improved.

[0037] Furthermore, by photographing and sampling the powder particles, it is more convenient to visually study the particle size of the powder particles, and the whole powder crushing process is recorded, which reduces the difficulty of preparing the foundation composition, thereby further improving the uniformity of the foundation during emulsification.

[0038] Furthermore, by setting intervals in the sampling area to photograph and sample the powder particles, errors in visual learning results caused by different photographing durations are avoided, the fineness of the raw materials is improved, and the uniformity of the foundation during emulsification is further improved.

[0039] Furthermore, by fitting the crushed sample, the particle size of the crushed particles can be quickly identified, and the corresponding particle size data can be quickly filtered out, thereby accelerating the formation of the AI ​​crushed particle size map, making the crushing efficiency higher and reducing the difficulty of preparing the foundation composition.

[0040] Furthermore, by setting the corresponding crushed particle size detection model in the visual learning module and learning the filtered data, it is possible to effectively determine whether the crushed particle size meets the standard, thereby realizing the visualization of the powder particle size, making the crushing efficiency higher, reducing the difficulty of preparing the foundation composition, improving the utilization rate of materials, and making the foundation composition more refined.

[0041] Furthermore, by re-determining the pulverizer working pressure according to the particle size threshold and the AI ​​pulverized particle size diagram, the error generated when the pulverizer is working can be improved, the pulverizing efficiency is improved, and the foundation composition is made finer. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] Figure 1 The present invention is a flowchart of a preparation process of a long-lasting makeup foundation composition;

[0043] Figure 2 This is a flow chart of crushing coarse particles into powder particles according to the present invention; DETAILED DESCRIPTION

[0044] In order to make the objects and advantages of the present invention more clearly understood, the present invention is further described below in conjunction with embodiments; it should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0045] The preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only used to explain the technical principles of the present invention and are not intended to limit the protection scope of the present invention.

[0046] It should be noted that, in the description of the present invention, terms such as "up", "down", "left", "right", "inside" and "outside" indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings. This is merely for the convenience of description and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention.

[0047] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0048] See also Figure 1 As shown, it is a flow chart of a preparation process of a long-lasting makeup foundation composition of the present invention, comprising:

[0049] Step S1, crushing the powder into coarse particles;

[0050] Step S2, detecting the particle size of the coarse particles, and when the coarse particles reach a preset particle size range, injecting the coarse particles and freeze-dried air into a pulverizer;

[0051] Step S3, using high-speed airflow to crush the coarse particles into powder particles within a target particle size range;

[0052] Step S4, the powder particles are passed through the sampling channel from the pulverizer into the sampling area for photographing and sampling;

[0053] Step S5: The crushed samples are transmitted to the visual learning module via the computer, and the visual learning module learns the crushed samples.

[0054] Among them, a corresponding crushed particle size monitoring model is provided in the visual learning module, and a particle size threshold is provided in the crushed particle size monitoring model;

[0055] Step S6, for powder particles exceeding the particle size threshold, return to step S2, and adjust the crusher pressure according to the actual particle size of the crushed particles;

[0056] The particle size is the diameter of the circumscribed circle of the particle projected on the horizontal plane of the sampling area.

[0057] In practice, the preset particle size range is set to be optimal within the range of 0.1-0.5 μm, and the crusher has the best crushing effect on coarse particles. Any value can be selected within the preset particle size range. In particular, the target particle size range is 0.15-0.25 μm;

[0058] For the above-mentioned preset particle size range and target particle size range, the corresponding particle size threshold is 0.25 μm. When step S6 is performed, if there is a powder particle with a particle size exceeding 0.25 μm, it is determined that the powder is returned to step S2.

[0059] It can be understood by those skilled in the art that when the target particle size is relatively uniform and close to 2 μm, the corresponding foundation can be more effectively adsorbed on the skin.

[0060] The powder is crushed into coarse particles, the coarse particles are injected into a grinder together with freeze-dried air, the coarse particles are crushed into powder particles with a high-speed airflow, and a sampling area is entered to take photos and samples to form crushed samples, which are transmitted to a visual learning module through a computer. The crushed samples are learned through a crushed particle size monitoring model, the crusher pressure is adjusted, and the powder particle size is visualized by visual learning. The powder crushing process is fully recorded, the crushing efficiency is higher, the difficulty of preparing the foundation composition is reduced, the utilization rate of materials is improved, the foundation composition is finer, and the uniformity of the foundation during emulsification is effectively improved.

[0061] See also Figure 2 As shown, it is a flow chart of the present invention for crushing coarse particles into powder particles, including:

[0062] Step St1, collecting air and passing it into an air compressor, and passing the compressed air into a low-temperature and low-pressure refrigerator for dehumidification and refrigeration treatment;

[0063] Step St2, adjusting the crusher to a preset pressure and preset working parameters;

[0064] Step St3, injecting the coarse particles and the freeze-dried air into a pulverizer and pulverizing them into powder particles.

[0065] By subjecting the powder to multi-stage crushing, the powder is first crushed into coarse particles, which effectively reduces the difficulty of the crushing process. The coarse particles are then crushed into fine particles, which reduces the waste of materials during the powder crushing process. While improving the material utilization rate, the uniformity of the foundation during emulsification is further improved.

[0066] By freeze-drying the air, the stickiness of powder particles during crushing is avoided, the difficulty of preparing the foundation composition is reduced, the foundation composition is made finer, and the uniformity of the foundation during emulsification is further improved.

[0067] Specifically, the powder particles are formed into semi-finished products with a particle size within the target particle size range under the action of the pulverizer.

[0068] Among them, the particle size is not greater than the sampling channel diameter.

[0069] In practice, the diameter of the sampling channel is related to the corresponding caliber of the set sampling position. In particular, for powder particles with a preset particle size range of 0.1-0.5 μm, the corresponding sampling channel diameter should be set to no less than 0.1 μm.

[0070] Specifically, the powder particles pass through the sampling channel from the crusher into the sampling area for photographing and sampling.

[0071] The sampling area is equipped with a camera with fixed pixels that matches the visual learning.

[0072] It is understood that when the camera is set, it is able to identify powder particles no smaller than 0.15-0.25 μm.

[0073] By taking photos and sampling the powder particles, it is more convenient to visually learn the particle size of the powder particles, and the whole powder crushing process is recorded, which reduces the difficulty of preparing the foundation composition, thereby further improving the uniformity of the foundation during emulsification.

[0074] Specifically, the timer in the sampling area is set with an interval time t, and every interval time t, the upper surface of the powder particles entering the sampling area is photographed and sampled.

[0075] Among them, the upper surface of the powder particles is photographed and sampled, which is the crushed sample.

[0076] The preferred setting of t is in the range of 0.4s-0.6s, and the crushing effect of the crusher on the powder particles is the best. Any value of t can be selected within this range.

[0077] By setting intervals in the sampling area to take photos and samples of the powder particles, errors in visual learning results caused by different photo taking times are avoided, the fineness of the raw materials is improved, and the uniformity of the foundation during emulsification is further improved.

[0078] Specifically, the crushed sample is fitted, and a number of corresponding filtering data are formed according to a number of particle size characteristics of the crushed sample.

[0079] By fitting the crushed samples, the particle size of the crushed particles can be quickly identified, and the corresponding particle size data can be quickly filtered out, which accelerates the formation of the AI ​​crushed particle size map, makes the crushing efficiency higher, and reduces the difficulty of preparing the foundation composition.

[0080] Specifically, the visual learning module is equipped with a corresponding crushed particle size monitoring model.

[0081] Among them, the crushed particle size detection model is trained and generated based on the filter data according to the crushed particle size database, and the corresponding AI crushed particle size map is generated through the crushed particle size detection model.

[0082] Among them, the AI ​​crushed particle size map is a two-dimensional image formed by filtering data.

[0083] By setting the corresponding crushed particle size detection model in the visual learning module and learning the filtered data, it is possible to effectively determine whether the crushed particle size meets the standard, thereby realizing the visualization of the powder particle size, making the crushing efficiency higher, reducing the difficulty of preparing the foundation composition, improving the utilization rate of materials, and making the foundation composition more refined.

[0084] Specifically, according to the AI ​​crushed particle size diagram, the powder particles that reach the particle size threshold are returned to the crusher. According to the particle size threshold and the AI ​​crushed particle size diagram, the crusher working pressure is determined, and the corresponding working pressure is adjusted in the next cycle.

[0085] Among them, the particle size threshold is the highest standard for the particle size of crushed particles.

[0086] In implementation, for powder particles with a target particle size range of 0.1-0.5 μm, the corresponding particle size threshold is 0.5 μm.

[0087] Embodiment 1:

[0088] The preset pressure of the pulverizer was adjusted to 0.03 MPa, and the preset working parameters were a speed of 500 rpm, a time of 50 minutes, and a target powder particle size of 0.25 μm. Coarse particles with a particle size of less than 0.1-0.5 μm were injected into the pulverizer together with freeze-dried air for pulverization. The pulverized powder particles entered the sampling area for photography. The visual learning module learned the pulverized samples, and the particle size threshold was set to 0.25 μm. The AI ​​pulverized particle size graph showed that the powder particle size was 0.5 μm. The powder particles that reached the particle size threshold were returned to the pulverizer, and the pulverizer working pressure was adjusted to 0.04 MPa for secondary pulverization in the next cycle.

[0089] By redetermining the pulverizer operating pressure based on the particle size threshold and the AI ​​pulverized particle size map, the error generated when the pulverizer is working can be improved, the pulverizing efficiency can be improved, and the foundation composition can be made finer.

[0090] Specifically, the powder particles that do not reach the particle size threshold are passed from the sampling area to the emulsification area through a pipeline for emulsification.

[0091] Embodiment 2:

[0092] The preset pressure of the pulverizer was adjusted to 0.04 MPa, and the preset working parameters were a speed of 500 rpm, a time of 50 minutes, and a target powder particle size of 0.25 μm. Coarse particles with a particle size of less than 0.1-0.5 μm and freeze-dried air were injected into the pulverizer for pulverization. The pulverized powder particles entered the sampling area for photography. The visual learning module learned the pulverized samples, and the particle size threshold was set to 0.25 μm. The AI ​​pulverized particle size graph showed that the powder particle size was 0.25 μm. The powder particles that did not reach the particle size threshold were sent from the sampling area to the grinding area through a pipeline for three powder treatments.

[0093] In practice, the preparation process of the foundation composition includes five steps: encapsulation, crushing, grinding, emulsification, and homogenization. Specifically, it includes:

[0094] Step Sp1, wrapping: The powder adopts wet process + amino acid + silicone wrapping technology, with uniform powder particles and delicate fit.

[0095] Step Sp2, crushing: high-speed air flow crushing technology, small particle size, fine powder, uniform color, not easy to oxidize and discolor.

[0096] Step Sp3, grinding: 360 degree roller high precision grinding can be as fine as 5μm.

[0097] Step Sp4, emulsification: emulsification at a constant temperature, extending the emulsification time.

[0098] Step Sp5, homogenization: the emulsion is refined by flow shearing to make the emulsion particle size stably distributed and finely dispersed.

[0099] In particular, the preparation process adopts the method of elastic soft and hard film + water-oil film bidirectional film to achieve directional lock makeup.

[0100] In a specific implementation, the powder is a uniform mixture of talc powder, mica powder, silica, titanium dioxide and / or metal soap.

[0101] The elastic soft film refers to acrylic (ester) / polydimethylsiloxane copolymer and polyvinyl pyrrolidone, the hard film refers to trimethylsiloxy silicate, the water film refers to polyvinyl pyrrolidone, and the oil film refers to acrylic (ester) / polydimethylsiloxane copolymer and trimethylsiloxy silicate. Among them, in trimethylsiloxy silicate, the ratio of acrylic (ester) / polydimethylsiloxane copolymer, trimethylsiloxy silicate and polyvinyl pyrrolidone is 5:4:1.

[0102] Specifically, the powder enters the crushing box and is crushed into coarse particles within a preset particle size range through the extrusion slot of the crushing box.

[0103] So far, the technical solutions of the present invention have been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it is easy for those skilled in the art to understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

[0104] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A preparation process of a long-lasting makeup foundation composition, characterized in that: include: Step S1, crushing the powder into coarse particles; Step S2, detecting the particle size of the coarse particles, and when the coarse particles reach a preset particle size range, injecting the coarse particles and freeze-dried air into a pulverizer; Step S3, using a high-speed airflow to crush the coarse particles into powder particles within a target particle size range; Step S4, the powder particles are passed through a sampling channel from a pulverizer into a sampling area for photographing and sampling; Step S5: The crushed samples are transmitted to the visual learning module via the computer, and the visual learning module learns the crushed samples. Wherein, the visual learning module is provided with a corresponding crushed particle size monitoring model, and the crushed particle size monitoring model is provided with a particle size threshold; Step S6, for the powder particles exceeding the particle size threshold, return to step S2, and adjust the crusher pressure accordingly according to the actual particle size of the crushed particles; Wherein, the particle size is the diameter of the circumscribed circle of the particle projected on the horizontal plane of the sampling area; The crushed particle size detection model is trained and generated based on the filter data according to the crushed particle size database, and the corresponding AI crushed particle size map is generated by the crushed particle size detection model. The AI ​​crushed particle size map is a two-dimensional image formed by the filtering data; According to the AI ​​crushed particle size diagram, the powder particles reaching the particle size threshold are returned to the crusher, and the crusher working pressure is determined according to the particle size threshold and the AI ​​crushed particle size diagram, and the corresponding working pressure is adjusted in the next cycle. The particle size threshold is the highest standard for the crushed particle size.

2. The preparation process of the long-lasting makeup foundation composition according to claim 1, characterized in that: The specific steps of crushing the coarse particles into powder particles include: Step St1, collecting air and passing it into an air compressor, and passing the compressed air into a low-temperature and low-pressure refrigerator for dehumidification and refrigeration treatment; Step St2, adjusting the pulverizer to a preset pressure and preset working parameters; Step St3, injecting the coarse particles and the freeze-dried air into the pulverizer and pulverizing them into the powder particles.

3. The preparation process of the long-lasting makeup foundation composition according to claim 2, characterized in that: The powder particles are formed into a semi-finished product with a particle size within the target particle size range under the action of the pulverizer. Wherein, the particle size is not greater than the diameter of the sampling channel.

4. The preparation process of the long-lasting makeup foundation composition according to claim 3, characterized in that: The powder particles pass through the sampling channel from the pulverizer into the sampling area for photographing and sampling. Wherein, the sampling area is provided with a camera with fixed pixels matching visual learning.

5. The preparation process of the long-lasting makeup foundation composition according to claim 4, characterized in that: The timer of the sampling area is provided with an interval time, and each time the interval time elapses, the upper surface of the powder particles entering the sampling area is photographed and sampled. The upper surface of the powder particles is photographed and sampled and recorded as the crushed sample.

6. The preparation process of the long-lasting makeup foundation composition according to claim 5, characterized in that: The crushed sample is fitted, and a number of corresponding filtering data are formed according to a number of particle size characteristics of the crushed sample.

7. The preparation process of the long-lasting makeup foundation composition according to claim 6, characterized in that: The powder particles that do not reach the particle size threshold value enter the grinding area from the sampling area through the pipeline to undergo three powder treatments.

8. The preparation process of the long-lasting makeup foundation composition according to claim 7, characterized in that: include: The powder enters the crushing box and is crushed into the coarse particles within a preset particle size range through the extrusion slot of the crushing box.

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