CN112957279A

CN112957279A - Hydrogel particles and application thereof in preparation of personal care products

Info

Publication number: CN112957279A
Application number: CN202110219824.8A
Authority: CN
Inventors: 陈超
Original assignee: Guangzhou Mika Beauty Co ltd
Current assignee: Guangzhou Mika Beauty Co ltd
Priority date: 2021-02-26
Filing date: 2021-02-26
Publication date: 2021-06-15

Abstract

The invention relates to the technical field of chemical industry, in particular to hydrogel particles and application thereof in preparation of personal care products, the hydrogel particles are prepared by taking water, hydroxyethyl cellulose, hydroxypropyl methyl cellulose, glycerol, agar, phenoxyethanol, ethylhexyl glycerol, acetylglucosamine, tremella polysaccharide, hyaluronic acid, pullulan polysaccharide, seaweed gel and the like as raw materials and adopting a dripping pill process, the product can be added into washing products such as bath cream, shampoo, etc. to keep stable shape, and the whole viscosity is not affected, therefore, the coating property and the foaming property of personal care products such as shower gel and shampoo can not be influenced, and the problem that the coating property and the foaming property are easily influenced after components such as high molecular polymers, polysaccharide moisturizers and the like are added into the existing personal care products is solved; the provided preparation method is simple and has wide market prospect.

Description

Hydrogel particles and application thereof in preparation of personal care products

Technical Field

The invention relates to the technical field of chemical industry, in particular to hydrogel particles and application thereof in preparation of personal care products.

Background

With the ever-increasing standard of living, the performance demands of people on personal care products are increasing. Among them, personal care products such as body wash, shampoo, etc. have certain requirements for the degree of foam density during use. Although the softness of foam can be improved by adding components such as high molecular polymer, polysaccharide humectant (such as hyaluronic acid, tremella polysaccharide, xanthan gum and the like), and the conditioning feeling during washing and moisturizing and moistening feeling after use can be obviously improved. However, in the existing hair washing and bathing product formula system, it is difficult to add high-content components such as high molecular polymer, polysaccharide humectant and the like based on the consideration of foaming speed, and if the components are directly added under a uniform system, the product body becomes very sticky, and the use feeling and the foaming speed are influenced.

Thus, existing personal care products suffer from the following disadvantages: the existing hair washing and bathing product formula system has the problem that the application and foaming performance of personal care products are easily affected after components such as high molecular polymer, polysaccharide humectant and the like are added.

Disclosure of Invention

An object of an embodiment of the present invention is to provide hydrogel particles that solve the problem of conventional personal care products proposed in the background art that the use coatability and foamability are easily adversely affected by the addition of components such as a high-molecular polymer and a polysaccharide humectant.

In order to achieve the above purpose, the embodiments of the present invention provide the following technical solutions:

a hydrogel particle whose raw material includes: water, hydroxyethyl cellulose, hydroxypropyl methyl cellulose, glycerol, agar, phenoxyethanol, ethylhexyl glycerol, acetylglucosamine, tremella polysaccharide, hyaluronic acid, pullulan and seaweed gel.

As a further scheme of the invention: the hydrogel particles are prepared by adopting a dripping pill process.

It is a further object of embodiments of the present invention to provide a use of the above hydrogel particles in the preparation of personal care products.

As a still further scheme of the invention: the personal care product can be shower gel and/or shampoo, and can also be other washing products, such as hand sanitizer, hair conditioner, facial cleanser and the like.

Compared with the prior art, the invention has the beneficial effects that:

the hydrogel particles provided by the embodiment of the invention take water, hydroxyethyl cellulose, hydroxypropyl methyl cellulose, glycerol, agar, phenoxyethanol, ethylhexylglycerol, acetylglucosamine, tremella polysaccharide, hyaluronic acid, pullulan, seaweed gel and the like as raw materials, the hydrogel particles are formed by adopting a dripping pill process, and the hydrogel particles still keep stable shapes when added into washing products such as shower gel, shampoo and the like, and the integral viscosity is not influenced, so that the application coating property and the foamability of personal care products such as the shower gel, the shampoo and the like are not influenced, and the problem that the application coating property and the foamability are easily influenced after components such as a high molecular polymer, a polysaccharide humectant and the like are added into the existing personal care products is solved; the provided preparation method is simple, and the prepared hydrogel particles can be widely applied to washing, protecting and bathing products, can improve the use experience of the washing, protecting and bathing products, and have wide market prospects.

Drawings

Fig. 1 is a graph showing the trend of the foam volume over time during the foaming process of the shower gel product provided by one embodiment of the invention.

Fig. 2 is a graph showing the trend of the foam volume of the shower gel product provided by the embodiment of the invention changing with time after foaming.

FIG. 3 is a graph showing the results of observing the surface texture of foam by a microscope according to an embodiment of the present invention.

Fig. 4 is a TEWL measurement effect graph of the shower gel product with percutaneous water loss according to an embodiment of the present invention.

Detailed Description

The invention is described in further detail below with reference to the figures and specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications can be made by persons skilled in the art without departing from the spirit of the invention. All falling within the scope of the present invention.

The hydrogel particle provided by the embodiment of the invention is prepared by reacting a alginic acid solution with a metal ion solution (preferably a sodium ion solution), and is formed by adopting a dripping pill process; wherein, the raw materials of the hydrogel particles comprise: water, hydroxyethyl cellulose, hydroxypropyl methyl cellulose, glycerol, agar, phenoxyethanol, ethylhexyl glycerol, acetylglucosamine, tremella polysaccharide, hyaluronic acid, pullulan and seaweed gel.

As another preferred embodiment of the present invention, the hydrogel particles comprise the following raw materials in parts by weight: 55-85 parts of water, 0.05-1.2 parts of hydroxyethyl cellulose, 0.05-1.2 parts of hydroxypropyl methyl cellulose, 1-10 parts of glycerol, 0.05-0.6 part of agar, 0.05-0.6 part of phenoxyethanol, 0.05-0.6 part of ethylhexyl glycerol, 0.05-1.2 parts of acetylglucosamine, 0.05-1.2 parts of tremella polysaccharide, 0.05-1.2 parts of hyaluronic acid, 0.5-3.5 parts of pullulan and 0.3-2.4 parts of seaweed gel.

As another preferred embodiment of the present invention, the hydrogel particles comprise the following raw materials in parts by weight: 60-80 parts of water, 0.1-1 part of hydroxyethyl cellulose, 0.1-1 part of hydroxypropyl methyl cellulose, 2-8 parts of glycerol, 0.1-0.5 part of agar, 0.1-0.5 part of phenoxyethanol, 0.1-0.5 part of ethylhexyl glycerol, 0.1-1 part of acetylglucosamine, 0.1-1 part of tremella polysaccharide, 0.1-1 part of hyaluronic acid, 1-3 parts of pullulan polysaccharide and 0.5-2 parts of seaweed gel.

As another preferred embodiment of the present invention, the hydrogel particles comprise the following raw materials in parts by weight: 70 parts of water, 0.5 part of hydroxyethyl cellulose, 0.5 part of hydroxypropyl methyl cellulose, 5 parts of glycerol, 0.25 part of agar, 0.25 part of phenoxyethanol, 0.25 part of ethylhexyl glycerol, 0.5 part of acetylglucosamine, 0.5 part of tremella polysaccharide, 0.5 part of hyaluronic acid, 2 parts of pullulan polysaccharide and 1.25 parts of seaweed gel.

The seaweed gel is a colloid extracted from seaweed by a chemical method, has excellent thickening property and gelling property, and can form a gel structure by reacting a seaweed acid solution with a metal ion solution (preferably a sodium ion solution).

In the embodiment of the invention, the hydrogel particles have strong moisturizing performance, and high molecular polysaccharide components such as hyaluronic acid, pullulan, tremella polysaccharide and acetylglucosamine which have the functions of improving foam and skin feeling, bathing and skin feeling, and high molecular polymers such as hydroxyethyl cellulose and hydroxypropyl methyl cellulose in the premixed solution are wrapped by a gel structure in the reaction process.

As another preferred embodiment of the present invention, the hydrogel particles are prepared by mixing water, hydroxyethyl cellulose, hydroxypropyl methylcellulose, glycerol, agar, phenoxyethanol, ethylhexylglycerol, acetylglucosamine, tremella polysaccharide, hyaluronic acid, pullulan, and alginate gel, heating and swelling to obtain swelling materials, and dripping the swelling materials into a condensation reaction solution by a dripping pill process to form the hydrogel particles.

As another preferred embodiment of the present invention, the dropping pill process of dropping the swelling material into the condensed reaction solution by using the dropping pill process may adopt an existing process, specifically, a process of heating, melting, uniformly mixing, dropping into an immiscible condensate, and condensing by contraction. The specific process parameters can be selected according to the requirements with reference to the prior art, and are not limited herein.

It should be noted that, when the swelling material is dropped into the condensed reaction liquid by using a dropping pill process, the flow rate is controlled by a precise peristaltic pump, and the size and the particle diameter of the dropping pill (the particle diameter is also affected by the dropping pill temperature and the formula viscosity, so that the formula and the temperature process need to be precisely controlled) can be strictly controlled by a customized dropping head device.

As another preferred embodiment of the present invention, in the method for preparing hydrogel particles, the condensed reaction solution is a metal ion solution, and specifically may be any one of a sodium ion solution, a calcium ion solution, a magnesium ion solution, an aluminum ion solution, and the like, and is preferably a sodium ion solution; by adopting the condensed reaction liquid, the swelling material is dripped into the condensed reaction liquid to generate gel reaction, when the gel reaction is generated, the condensed reaction liquid mainly contains some metal ions, the metal ions can generate gel reaction with seaweed gel, meanwhile, agar is influenced by temperature and is quickly gelatinized), the temperature and the ion concentration of the condensed reaction liquid also need to be strictly controlled, and the final size and form of the dropping pill are ensured.

As another preferred embodiment of the present invention, in the method for preparing hydrogel particles, the temperature of swelling by heating is maintained at 80 to 90 ℃.

All the components are added according to the formula proportion, dispersed and swelled through heating at high temperature, and kept at the temperature of 80-90 ℃, the formula needs to be strictly controlled to control the hardness of hydrogel particles, the hydrogel particles are too soft and are easy to crack in the production and filling processes, and the hydrogel particles cannot be completely crushed in the pumping and coating foaming processes if the hydrogel particles are too hard, so that the use effect is influenced.

As another preferred embodiment of the present invention, the method for preparing hydrogel particles further comprises a step of elutriating the formed hydrogel particles with water and then sealing and soaking the hydrogel particles in phenoxyethanol aqueous solution.

As another preferred embodiment of the invention, the concentration of the phenoxyethanol aqueous solution is 0.5 to 2.5 wt%.

Preferably, in the method for preparing the hydrogel particles, the formed hydrogel particles are elutriated by water and then are placed in a phenoxyethanol aqueous solution with the concentration of 1 wt% for sealing and soaking.

The embodiment of the invention also provides an application of the hydrogel particle in preparation of personal care products.

As another preferred embodiment of the present invention, in the use of said hydrogel particles in the preparation of a personal care product, said hydrogel particles are added to the personal care product in an amount of 1 to 50 wt.%, preferably 5 wt.% of the hydrogel particles in the personal care product.

As another preferred embodiment of the invention, the personal care product can be shower gel and/or shampoo, and can also be other washing products, such as hand sanitizer, hair conditioner, facial cleanser and the like.

The technical effects of the hydrogel particles of the present invention will be further described below by way of specific examples.

Example 1

A hydrogel particle is prepared by reacting alginic acid solution with sodium ion solution, and making into hydrogel particle by dripping pill process; wherein, the raw materials of the hydrogel particles comprise: water, hydroxyethyl cellulose, hydroxypropyl methyl cellulose, glycerol, agar, phenoxyethanol, ethylhexyl glycerol, acetylglucosamine, tremella polysaccharide, hyaluronic acid, pullulan and seaweed gel. The specific raw material formulation is shown in table 1 below.

TABLE 1 hydrogel particles raw materials proportioning Table

In this embodiment, the method for preparing the hydrogel particles includes the following steps:

1) weighing water, hydroxyethyl cellulose, hydroxypropyl methyl cellulose, glycerol, agar, phenoxyethanol, ethylhexyl glycerol, acetylglucosamine, tremella polysaccharide, hyaluronic acid, pullulan and seaweed gel according to the formula proportion in table 1, mixing, heating for swelling (heating for high-temperature dispersion swelling), and keeping at 80-90 ℃ to obtain a swelling material; wherein, the formulation needs to be strictly controlled to control the hardness of hydrogel particles, the hydrogel particles are easy to break in the production and filling processes when the hydrogel particles are too soft, and the hydrogel particles cannot be completely broken in the pumping and smearing foaming processes when the hydrogel particles are too hard, so that the use effect is influenced.

2) Then dropping the swelling material into the condensed reaction liquid by adopting a dropping pill process to form the hydrogel particles, wherein the dropping pill process can adopt the existing process, and specifically comprises the steps of heating, melting and uniformly mixing the raw material substrate, then dropping the mixture into immiscible condensate, and carrying out shrinkage condensation to obtain the hydrogel particles; when the swelling material is dripped into the condensed reaction liquid by adopting a dripping pill process, the flow rate is controlled by a precise peristaltic pump, and the size and the particle diameter of the dripping pill (the particle diameter is also influenced by the temperature of the dripping pill and the viscosity of the formula, so that the formula and the temperature process control need to be precise) can be strictly controlled by a customized dripper device; the condensed reaction liquid is a sodium ion solution; by adopting the condensed reaction liquid, the swelling material is dripped into the condensed reaction liquid to generate gel reaction, when the gel reaction is generated, the condensed reaction liquid mainly contains some metal ions and can generate gel reaction with the seaweed gel, meanwhile, the agar is also influenced by temperature and is quickly gelatinized, the temperature and the ion concentration of the condensed reaction liquid are also strictly controlled, and the final size and form of the dropping pill are ensured.

3) Elutriating the formed hydrogel particles with clear water, and then placing the elutriated hydrogel particles into a phenoxyethanol water solution with the concentration of 1 wt% for sealing and soaking for later use.

In the examples of the present invention, the hydrogel particles prepared have a certain toughness and strength, and the high molecular weight and polysaccharide components are stabilized in the particles, and the hydrogel particles are formed by applying an active ingredient to a high surfactant system by encapsulation. When the particles are mixed with the material body, the particles still keep stable shapes, cannot be combined with surfactant micelles in the body of the shower gel and the shampoo, cannot influence the micelle structure and stability, and cannot influence the integral viscosity, so that the use coating property and the foamability of the shower gel/shampoo system cannot be influenced.

Example 2

The hydrogel particles prepared in example 1 were applied to a body wash formulation, specifically the performance of the hydrogel particles was tested in a simplified version of the body wash formulation. The shower gel formula comprises the following raw materials in percentage by mass: sodium laureth sulfate (active content 70 wt.%), cocoamide DEA (cocoanut diethanolamide) 2%, ethylene glycol distearate 1.5%, cocoamidopropyl betaine (active content 30 wt.%) 15%, phenoxyethanol 0.6%, propylene glycol 3%, sodium chloride (viscosity-adjusted) 1%, and finally purified water to 100.0%. In this example, the shower gel formulation was used as a blank; a test group 1 in which 5wt% of hydrogel particles were added based on the formulation of the blank group; the test group 2 is a blank group of formulations in which no hydrogel particles are added, but polysaccharide components such as tremella polysaccharide, hyaluronic acid, pullulan and the like in the hydrogel particles are converted, and the comparison is performed. The raw material formulation composition of the blank group, the test group 1 and the test group 2 is shown in table 2.

TABLE 2 raw material proportioning table

In this example, the process for the shower gel formulation prepared for blank, test 1 and test 2 refers to the following steps:

1. refined water and sodium laureth sulfate (70%) are mixed, stirred and heated to 80 ℃ until completely dissolved.

2. Cocamide DEA and ethylene glycol distearate were added at high temperature and stirred until dissolved.

3. Keeping stirring and cooling, and controlling the cooling speed not to be too fast and not to exceed 1 ℃/min.

4. Cooling to below 50 deg.C, adding cocamidopropyl betaine (CAB) 30% from Shanghai XueJie chemical Co., Ltd., that is, 30% of product type of cocamidopropyl betaine), phenoxyethanol, and propylene glycol, and stirring.

5. And testing the group 1, finally adding hydrogel particles into a shower gel system, and uniformly stirring at a low speed.

6. Test group 2, using propylene glycol to disperse tremella polysaccharide, hyaluronic acid, pullulan powder at high speed, adding into the bath lotion system after fully dispersing, stirring until swelling into homogeneous system

7. Finally, sodium chloride is used for adjusting the viscosity of the formula.

Example 3

The shower gel products prepared in the blank group, the test group 1 and the test group 2 in the example 2 were subjected to viscosity test, and the viscosity test method of the formulation: using brookfield viscometer LVT, the parameters were measured: spindle #4,20rpm, 60s, 25 ℃. The results obtained by measuring the viscosity are as follows:

blank group viscosity: 2500 mpas;

test group 1 viscosity: 2300 mpas;

test group 2 viscosity: 15800 mpas.

Example 4

In order to verify that the hydrogel particles prepared by the embodiment of the invention have obvious effects on improving the softness of foam, conditioning feeling during rinsing and moisturizing and moistening feeling after use, and do not influence the application and foaming properties of a body wash/shampoo system. The shower gel products prepared in the blank, test 1 and test 2 of example 2 were subjected to the foaming and foam-lasting tests. Referring to a method for testing foaming property and foam durability of shampoo of Japan Kao corporation, the invention weighs 7.5g of a shower gel product to be tested, adds the shower gel product into 42.5g of deionized water, then jointly adds the shower gel product into a household small stirrer (a Jiuyang brand juicer with 1L of scales is selected in the experiment), and respectively stirs the shower gel product for 15 seconds, 30 seconds, 45 seconds and 1 minute; stopping the machine at the four time points, respectively recording the integral height scales of the foam as a reference index of the foaming speed, and obtaining a time-varying trend chart of the foam volume in the foaming process as shown in figure 1. After the 1 minute stirring was completed, the mixture was kept still, and the total foam height was observed for 5 minutes, 10 minutes and 15 minutes, and the resulting trend graph of the foam volume after foaming as a reference index of the foam durability was shown in FIG. 2.

As can be seen from fig. 1, the final foam amount of the sample of test group 1 is the maximum, which can reach about 850ml, and therefore, the application and foaming performance of the body wash/shampoo system are not affected by adding the hydrogel particles.

As can be seen from fig. 2, the foam breaking speed of the sample of test group 1 is slower and is not much different from that of test group 2, and the foam is most quickly broken in the blank group without hydrogel particles, so that the application and foaming properties of the body wash/shampoo system are not affected by the hydrogel particles.

Therefore, it can be seen from FIG. 1 that the final foam amount of the sample of test group 1 to which the hydrogel particles were added was the largest, whereas the foaming rate was significantly affected in test group 2 to which the high molecular weight polysaccharide component was added alone. And the foam texture is very thick and not easy to foam. The blank in fig. 2 defoams most quickly, while test 1 and test 2, both maintained a very stiff foam state that could last for a long time, with the foam being more consistent.

Example 5

In this example, the foam texture was evaluated and tested, specifically, 7.5g of the shower gel products prepared in the blank group, the test group 1 and the test group 2 in example 2 were weighed as a cleaning agent, respectively, and added to 42.5g of deionized water, and then stirred for 1 minute by a household small stirrer (the experiment selects the jiuyang brand juicer), and then the surface layer foam was scooped up with a spoon, placed in a shallow glass petri dish, and the foam was spread and observed on the surface with a microscope. The specific results are shown in FIG. 3.

Comparison of foam surface texture conditions observed by a microscope as shown in FIG. 3: the left panel is blank and the right panel is test set 1, with dimensions of 500 μm. It can be seen that the foam texture of test group 1 was fine and smooth. The tight foam ensures a good surface tactile feel and resiliency of the foam.

Example 6

In this embodiment, the skin moisturizing and moistening effects of the shower gel products prepared in the blank group, the test group 1, and the test group 2 in example 2 are tested, and specifically, the skin moisturizing and moistening effects of the shower gel products prepared in the blank group, the test group 1, and the test group 2 in example 2 are respectively tested by using a percutaneous Water loss tewl (trans Epidermal Water loss) measurement method (buratang biotechnology laboratory). Wherein, the test instrument: TEWL tester, Tewameter TM300 model, CK, Germany.

In the present example, the test samples were still the body wash products prepared from the blank, test 1, and test 2. The treatment method comprises the following steps: washing the wet arm with water at about 35 deg.C, collecting 3g of test sample, smearing and wetting the arm, kneading and soaking for 2 min, washing with hot water at about 35 deg.C for 2 min (no kneading, natural water state), and drying with dry towel. The subjects were rested in a constant temperature and humidity test room (temperature 20 + -1 deg.C, relative humidity 50% + -2%) for 3 hours, once every half hour. The corresponding measured effect of the percutaneous water loss TEWL is shown in figure 4.

As can be seen from the effect graph of the TEWL measurement of percutaneous water loss shown in fig. 4, the shower gel of the blank group had no moisturizing effect on the skin, and the test group 1 to which the hydrogel particles were added had a more significant effect of reducing the percutaneous water loss. In addition, in the trial feedback of a large sample amount of the product of the tissue (the shower gel product to which the hydrogel particles are added), the most experienced feeling keywords are mentioned as: rich foam, dense foam, smooth feeling after washing, no dryness after washing, easy foaming and the like. In concert with previous experimental data.

Further, when analyzing the data shown in fig. 1 to 4, the release of the polymer component and the polysaccharide component after the hydrogel particles are pumped out along with the body wash/shampoo liquid includes the following stages:

the first stage is as follows: when the water gel is pumped out, the hydrogel particles are sheared into chips by the shearing of the pump head, the polysaccharide active ingredients are not effectively released, the bathing and hair washing processes are smearing, kneading and foaming, the sticky feeling generated by the polysaccharide and the polymer is not generated during smearing, and the foaming speed is not greatly influenced;

and in the second stage, along with the kneading process, the foam is increased, the hydrogel particles are gradually and completely dissolved under the action of the kneading shearing force, and at the moment, the polysaccharide and the high-molecular colloid which are dispersed and swelled in the hydrogel particle preparation stage are completely released into the foam, so that the foam is denser and finer, and the foam is firm and has texture. In the rinsing process, a part of the high molecular polysaccharide component can be adsorbed on the skin or hair, so that smooth and moist skin feeling is brought.

It is to be noted that the key points of the formula process are: ensuring the ionic potential difference between the hydrogel particles and the body wash body, ensuring that the hydrogel particles can not excessively absorb water and expand, and can not shrink and harden; to ensure appearance, uniform size control of the particles is ensured; the pump-out performance of the pressing pump head of the product packaging material is ensured, the situation that the pump is blocked or completely broken when being pumped out can not occur, and therefore the feeling of smearing and foaming of the shower gel is influenced.

Example 7

Compared to example 1, except that the hydrogel particles were prepared from the following raw materials: 55 kg of water, 0.05 kg of hydroxyethyl cellulose, 0.05 kg of hydroxypropyl methyl cellulose, 1 kg of glycerol, 0.05 kg of agar, 0.05 kg of phenoxyethanol, 0.05 kg of ethylhexyl glycerol, 0.05 kg of acetylglucosamine, 0.05 kg of tremella polysaccharide, 0.05 kg of hyaluronic acid, 0.5 kg of pullulan and 0.3 kg of seaweed gel. The rest is the same as in example 1.

Example 8

Compared to example 1, except that the hydrogel particles were prepared from the following raw materials: 85 kg of water, 1.2 kg of hydroxyethyl cellulose, 1.2 kg of hydroxypropyl methyl cellulose, 10 kg of glycerol, 0.6 kg of agar, 0.6 kg of phenoxyethanol, 0.6 kg of ethylhexyl glycerol, 1.2 kg of acetylglucosamine, 1.2 kg of tremella polysaccharide, 1.2 kg of hyaluronic acid, 3.5 kg of pullulan and 2.4 kg of seaweed gel. The rest is the same as in example 1.

Example 9

Compared to example 1, except that the hydrogel particles were prepared from the following raw materials: 60 kg of water, 0.1 kg of hydroxyethyl cellulose, 0.1 kg of hydroxypropyl methyl cellulose, 2 kg of glycerol, 0.1 kg of agar, 0.1 kg of phenoxyethanol, 0.1 kg of ethylhexyl glycerol, 0.1 kg of acetylglucosamine, 0.1 kg of tremella polysaccharide, 0.1 kg of hyaluronic acid, 1 kg of pullulan and 0.5 kg of seaweed gel. The rest is the same as in example 1.

Example 10

Compared to example 1, except that the hydrogel particles were prepared from the following raw materials: 80 kg of water, 1 kg of hydroxyethyl cellulose, 1 kg of hydroxypropyl methyl cellulose, 8 kg of glycerol, 0.5 kg of agar, 0.5 kg of phenoxyethanol, 0.5 kg of ethylhexyl glycerol, 1 kg of acetylglucosamine, 1 kg of tremella polysaccharide, 1 kg of hyaluronic acid, 3 kg of pullulan and 2 kg of seaweed gel. The rest is the same as in example 1.

Example 11

Compared to example 1, except that the hydrogel particles were prepared from the following raw materials: 70 kg of water, 0.5 kg of hydroxyethyl cellulose, 0.5 kg of hydroxypropyl methyl cellulose, 5 kg of glycerol, 0.25 kg of agar, 0.25 kg of phenoxyethanol, 0.25 kg of ethylhexyl glycerol, 0.5 kg of acetylglucosamine, 0.5 kg of tremella polysaccharide, 0.5 kg of hyaluronic acid, 2 kg of pullulan and 1.25 kg of seaweed gel. The rest is the same as in example 1.

Example 12

The same procedure as in example 1 was repeated, except that the swelling temperature was maintained at 80 ℃ in comparison with example 1.

Example 13

The same as example 1 except that the temperature for swelling was maintained at 82 ℃ in comparison with example 1.

Example 14

The procedure of example 1 was repeated, except that the swelling temperature was maintained at 85 ℃ in comparison with example 1.

Example 15

The same procedure as in example 1 was repeated, except that the swelling temperature was maintained at 88 ℃ in comparison with example 1.

Example 16

The same as example 1 except that the temperature for swelling was maintained at 90 ℃ in comparison with example 1.

Example 17

The same as example 1 except that the concentration of the aqueous phenoxyethanol solution was 0.5 wt% as compared with example 1.

Example 18

The same as example 1 except that the concentration of the aqueous phenoxyethanol solution was 1.5% by weight as compared with example 1.

Example 19

The same as example 1 except that the concentration of the aqueous phenoxyethanol solution was 2.0 wt% as compared with example 1.

Example 20

The same as example 1 except that the concentration of the aqueous phenoxyethanol solution was 2.5wt% as compared with example 1.

Example 21

The same procedure as in example 1 was repeated, except that the condensed reaction solution was a calcium ion solution as compared with example 1.

Example 22

The same procedure as in example 1 was repeated, except that the condensed reaction solution was an aluminum ion solution as compared with example 1.

It should be noted that, in the existing hair washing and bathing product formula system, it is difficult to add high content of high molecular polymer, polysaccharide humectant and other components (such as hyaluronic acid, tremella polysaccharide, xanthan gum and other components) based on the consideration of foaming speed, and if the components are added under a uniform system, the product body becomes very sticky, which affects the use feeling and the foaming speed. However, the functional components have obvious effects on improving the softness of foam, conditioning feeling during washing and moisturizing and moistening feeling after use. The invention uses the characteristics of sodium alginate and agar components, uses hydroxyethyl cellulose, hydroxypropyl methyl cellulose, glycerol, agar, phenoxyethanol, ethylhexyl glycerol, acetylglucosamine, tremella polysaccharide, hyaluronic acid, pullulan, seaweed gel and the like as raw materials to form hydrogel particles, wraps the sodium alginate and the agar components in the wrapped hydrogel particle system, can keep the functions of high molecular polymers and polysaccharide moisturizers, keeps the characteristic of easy foaming of the formula system of the original shampoo and bath products, because the hydrogel particles can be extruded and crushed when the shampoo and bath products containing the hydrogel particles are pumped out through the matched wrapping material pump head, but the wrapped high molecular polymers and polysaccharide moisturizers can not swell immediately, thereby not influencing the experience feeling in the initial stages of foaming and smearing and kneading, after the subsequent rubbing hair washing and bath, the hydrogel particles are fully swelled by rubbing, and the improvement effect on foam and rinsing feeling (improvement on the softness of the foam, conditioning feeling during rinsing and moisturizing and moistening feeling after use) is exerted, so that the use experience of the product is improved.

On the other hand, the existing hydrogel particle technology is mainly applied to high-end skin care products, such as LaPraitie roe essence cream, and is used for wrapping some active ingredients and providing unique skin feel and appearance design feel, but no precedent for applying the technology to a high-surfactant bath product system exists, because the high salt content and the ionic property of a high-surfactant can cause hydrogel to lose water and deform, become hard or swell and damage, the invention not only can be added into the high-surfactant bath product system through reasonable matching of various raw materials, but also solves the application problem in the surfactant system (shampoo, bath and other washing products) by applying a high polymer and a polysaccharide humectant and combining with hydrogel components such as alginic acid and agar, and improves the experience and performance of the product. The key point of the invention is that by adopting the core formula component proportion of the hydrogel particles in the embodiment of the invention (the components comprise conditioning components such as agar, seaweed gel, hyaluronic acid, pullulan, cellulose, organic silicon and derivatives thereof), the formed hydrogel particles can be widely applied to washing and caring bath products as the hydrogel particle form wrapping isolation high molecular colloid and polysaccharide humectant. The hydrogel particles can improve the use experience of the shampoo and bath products, and the application technology of the formula and the formula proportion of the shampoo and bath products are still in the protection scope of the invention.

While the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the scope of the invention.

Claims

1. A hydrogel particle, wherein the hydrogel particle comprises the following raw materials: water, hydroxyethyl cellulose, hydroxypropyl methyl cellulose, glycerol, agar, phenoxyethanol, ethylhexyl glycerol, acetylglucosamine, tremella polysaccharide, hyaluronic acid, pullulan and seaweed gel.

2. The hydrogel particle according to claim 1, comprising the following raw materials in parts by weight: 60-80 parts of water, 0.1-1 part of hydroxyethyl cellulose, 0.1-1 part of hydroxypropyl methyl cellulose, 2-8 parts of glycerol, 0.1-0.5 part of agar, 0.1-0.5 part of phenoxyethanol, 0.1-0.5 part of ethylhexyl glycerol, 0.1-1 part of acetylglucosamine, 0.1-1 part of tremella polysaccharide, 0.1-1 part of hyaluronic acid, 1-3 parts of pullulan polysaccharide and 0.5-2 parts of seaweed gel.

3. The hydrogel particles of claim 1, wherein the hydrogel particles are prepared by mixing water, hydroxyethyl cellulose, hydroxypropyl methylcellulose, glycerol, agar, phenoxyethanol, ethylhexylglycerol, acetylglucosamine, tremella polysaccharide, hyaluronic acid, pullulan, and alginate gel, heating to swell, and dripping the swollen material into a condensation reaction solution by a dripping pill process to form the hydrogel particles.

4. The hydrogel particle according to claim 3, wherein the condensed reaction solution is a metal ion solution, specifically any one of a sodium ion solution, a calcium ion solution, a magnesium ion solution, and an aluminum ion solution.

5. The hydrogel particles according to claim 3, wherein the temperature for swelling by heating is maintained at 80 to 90 ℃ in the method for producing hydrogel particles.

6. The hydrogel particles according to claim 3, further comprising a step of elutriating the hydrogel particles with water and then immersing the elutriated hydrogel particles in an aqueous solution of phenoxyethanol in a sealed state.

7. The hydrogel particle of claim 6, wherein the concentration of the aqueous phenoxyethanol solution is 0.5 to 2.5 wt.%.

8. Use of hydrogel particles according to any of claims 1 to 7 in the preparation of personal care products, such as hair-washing and hair-care products, bath products and personal care cleansing products including at least facial cleansing products, and facial and body skin-care products for application.

9. Use of hydrogel particles according to claim 8 in the preparation of a personal care product, wherein the hydrogel particles are added in an amount of 1 to 50wt% in the personal care product.