Toothpaste with tooth whitening function and preparation process thereof

By using PVM/MA copolymer, sodium phytate and nanotechnology in toothpaste, combined with cold pressing extraction and microcapsule technology, the problems of insufficient whitening effect and short oral care time in existing toothpaste are solved, and significant whitening effect and comprehensive nursing ability are achieved.

CN120093637APending Publication Date: 2025-06-06GUANGZHOU MINGDA IND CO LTD
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Patent Information

Application Number
CN202411084419.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-08-08
Publication Date
2025-06-06

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Abstract

The invention discloses toothpaste with a tooth whitening function and a preparation process thereof, and relates to the technical field of toothpaste production and processing. The shower gel comprises the following components: 50% of a humectant, 22.00% of hydrated silica, 18.00% of water, 2.91% of propylene glycol, 2.1% of a cleaning agent, 0.60% of essence, 0.60% of cellulose gum, 0.50% of sodium phytate, 0.50% of a PVM / MA copolymer, 0.50% of CI 77891, 0.36% of menthol, 0.30% of xanthan gum, 0.30% of tetrasodium pyrophosphate, 0.24% of menthane formylethylamine and 0.5% of a coloring agent. According to the toothpaste disclosed by the invention, by adding the PVM / MA copolymer, the growth of bacteria in an oral cavity can be effectively inhibited, and the adhesive power of streptococcus mutans can be remarkably reduced, so that the formation of dental plaque is reduced.
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Description

Technical Field

[0001] The invention relates to the technical field of toothpaste production and processing, and in particular to a toothpaste with teeth whitening function and a preparation process thereof. Background Art

[0002] In the field of oral care, toothpaste is a useful product for cleaning teeth, and it also has multiple functions such as whitening and antibacterial. As consumers' awareness of oral health increases, their requirements for toothpaste products are also getting higher and higher; currently, toothpaste products on the market generally have some problems, such as insufficient whitening effect, short protection time for the oral cavity, etc. Traditional toothpaste formulas often find it difficult to take all these aspects into account.

[0003] After searching, the application scheme of Chinese patent application No. 201310508332.6 discloses a method for preparing toothpaste, and the raw materials required by the method include by weight: 0.1-0.5 parts of bear bile powder, 15-25 parts of sorbitol, 5-10 parts of glycerol, 20-30 parts of dihydrated calcium phosphate, 10-22 parts of hydrated silica, 5-15 parts of xylitol, 2-2.6 parts of sodium lauryl sulfate, 0.5-1.2 parts of cellulose gum, 0.3-0.7 parts of xanthan gum, 0.1-0.3 parts of sodium benzoate, 0.2-0.3 parts of sodium saccharin, 0.2-0.3 parts of anhydrous sodium pyrolysis, 1-1.5 parts of essence, and water is added to 100 parts, wherein the preparation method includes the following steps: ingredient step, stirring step and degassing step. The toothpaste in the above patent has the following shortcomings: the whitening effect of teeth and the comprehensive care effect of the oral cavity are still insufficient. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings of the prior art and to propose a toothpaste with teeth whitening function and a preparation process thereof.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A toothpaste with teeth whitening function, comprising:

[0007] Humectant 50%, hydrated silica 22.00%, water 18.00%, propylene glycol 2.91%, detergent 2.1%, fragrance 0.60%, cellulose gum 0.60%, sodium phytate 0.50%, PVM / MA copolymer 0.50%, CI 77891 0.50%, menthol 0.36%, xanthan gum 0.30%, tetrasodium pyrophosphate 0.30%, menthane carboxamide 0.24%, colorant 0.5%, sodium saccharin 0.20%, methylparaben 0.15%, hydroxyapatite 0.10%, o-cymene-5-ol 0.09%, propylparaben 0.05;

[0008] Wherein, the moisturizing agent comprises: sorbitol 41.00%, maltitol 4.50%, mannitol 4.50%;

[0009] The cleaning agent includes: 1.995% sodium lauryl sulfate, 0.042% sodium sulfate, 0.0105% C12-16 alcohol, and 0.0525% water;

[0010] The colorant comprises: 0.215% corn starch, 0.155% microcrystalline cellulose, 0.1225% mannitol, 0.005% tocopherol acetate, and 0.0025% CI 73360.

[0011] Preferably: the preparation process of the toothpaste comprises the following steps:

[0012] S1: Moisturizer, hydrated silica, water, propylene glycol, detergent, cellulose gum, sodium phytate, PVM / MA copolymer, CI77891, menthol, xanthan gum, tetrasodium pyrophosphate, menthane carboxamide, methylparaben, hydroxyapatite, o-cymene-5-ol and propylparaben are mixed uniformly according to the formula ratio to form a mixture A;

[0013] S2: adding flavor, colorant and sodium saccharin to mixture A and stirring evenly to form mixture B;

[0014] S3: Grinding the mixture B to a certain particle size to form a mixture C;

[0015] S4: Filling the mixture C to prepare a toothpaste with teeth whitening function.

[0016] Preferably: in said S1, the specific processing method comprises the following steps:

[0017] S11: Raw material preparation, weighing each component to ensure accurate proportion; checking the validity period and quality of raw materials to ensure that the raw materials before feeding meet the production standards, and the weighing accuracy is controlled within ±0.5%;

[0018] S12: Main mixing, except for detergent, cellulose gum, and PVM / MA copolymer, premix the solid powder ingredients, add the liquid ingredients, stir slowly to avoid splashing, control the stirring speed at 30RPM, and control the stirring time at 10min;

[0019] S13: Add auxiliary ingredients, add detergent, cellulose gum, and PVM / MA copolymer to the mixture, stir to make the components fully dispersed and uniform, control the stirring speed at 50RPM, and control the stirring time at 20min.

[0020] Preferably: in said S2, the specific processing method comprises the following steps:

[0021] S21: Accurately weigh colorants and flavors, taking care to avoid any cross contamination;

[0022] S22: Slowly add colorant and flavor under low speed stirring to ensure complete blending. The stirring speed is controlled at 25 RPM and the stirring time is controlled at 5 minutes.

[0023] S23: Measure sodium saccharin and pre-dissolve it in the small batch mixture;

[0024] S24: Add into the main mixture, stir evenly, and control the stirring time within 10 minutes.

[0025] Preferably: in said S3, the specific processing method comprises the following steps:

[0026] S31: Check if the grinder is clean to avoid cross contamination;

[0027] S32: Setting the parameters of the grinding machine, the grinding gap is controlled at 0.1 mm, and the rotation speed is controlled at 1500 RPM;

[0028] S33: putting the mixture B into a grinder for fine grinding;

[0029] S34: Real-time monitoring of grinding temperature and particle size to ensure product quality, control grinding temperature below 45°C, and target particle size less than 10 microns.

[0030] Preferably, in S4, the specific processing method includes the following steps:

[0031] S41: Choose a suitable toothpaste tube and clean and disinfect it;

[0032] S42: Check whether the filling machine is operating normally and set filling parameters;

[0033] S43: Fill the ground mixture C into the toothpaste tube, check the filling weight and sealing quality to ensure the integrity of the product, control the weight error of each tube within ±1 gram, and control the sealing temperature at 180°C;

[0034] S44: Final inspection and packaging.

[0035] Preferably: in the toothpaste preparation process, during the grinding process of the mixture C, the hydrated silica and the hydroxyapatite are treated by nanotechnology;

[0036] The specific steps are:

[0037] S51: Preliminary crushing and screening of hydrated silica and hydroxyapatite to ensure uniform particle size of raw materials;

[0038] S52: performing high temperature baking to remove moisture and impurities in the raw materials; the baking temperature is 120° C. and the time is 2 hours;

[0039] S53: Use nano-grinding machine for fine grinding, adjust machine parameters to ensure that the particle size reaches the predetermined range; ensure the stability and uniformity of nanoparticles through real-time monitoring equipment; nanoparticle target size is 50-100 nanometers; grinding time is 30 minutes;

[0040] S54: Surface treatment of nanoparticles to improve their stability in toothpaste;

[0041] S55: Add the treated nanoparticles into mixture C in proportion and mix them thoroughly.

[0042] Preferably: in the preparation process of the toothpaste, sorbitol, maltitol and mannitol are extracted by cold pressing technology;

[0043] The specific steps are:

[0044] S81: Select high-quality sorbitol, maltitol and mannitol raw materials for cleaning and disinfection;

[0045] S82: Cut into small pieces to fit the requirements of the cold press;

[0046] S83: placing the prepared raw material block into a cold press, setting the pressure to 50 bar and the temperature to below 40°C;

[0047] S84: collecting the extract, filtering and purifying it;

[0048] S85: Conduct quality testing on the extracted moisturizers, including purity, active ingredient content and other indicators;

[0049] S86: Qualified products are stored in an environment with a temperature of 5°C and a relative humidity not exceeding 60% to maintain their stability and activity.

[0050] The beneficial effects of the present invention are:

[0051] 1. The toothpaste of the present invention, by adding PVM / MA copolymer, can effectively inhibit the growth of bacteria in the oral cavity, and can significantly reduce the adhesion of Streptococcus mutans, thereby reducing the formation of dental plaque.

[0052] 2. The toothpaste of the present invention can better whiten teeth and improve the oral care effect by adding sodium phytate and PVM / MA copolymer; the use of nanotechnology, microcapsule technology and cold press extraction technology further improves the scientific and technological content and market competitiveness of the product, and can meet consumers' demand for high-end oral care products. BRIEF DESCRIPTION OF THE DRAWINGS

[0053] Figure 1 The present invention is a flow chart of a preparation process of a toothpaste with teeth whitening function. DETAILED DESCRIPTION

[0054] The technical solution of the present invention is further described in detail below in conjunction with specific implementation methods.

[0055] Embodiment 1:

[0056] A toothpaste with teeth whitening function, comprising:

[0057] Humectant 50%, hydrated silica 22.00%, water 18.00%, propylene glycol 2.91%, detergent 2.1%, fragrance 0.60%, cellulose gum 0.60%, sodium phytate 0.50%, PVM / MA copolymer 0.50%, CI 77891 0.50%, menthol 0.36%, xanthan gum 0.30%, tetrasodium pyrophosphate 0.30%, menthane carboxamide 0.24%, colorant 0.5%, sodium saccharin 0.20%, methylparaben 0.15%, hydroxyapatite 0.10%, o-cymene-5-ol 0.09%, propylparaben 0.05.

[0058] Wherein, the moisturizing agent comprises: 41.00% of sorbitol, 4.50% of maltitol and 4.50% of mannitol.

[0059] The cleaning agent includes: 1.995% sodium lauryl sulfate, 0.042% sodium sulfate, 0.0105% C12-16 alcohol, and 0.0525% water.

[0060] Wherein, the colorant comprises: 0.215% corn (ZEA MAYS) starch, 0.155% microcrystalline cellulose, 0.1225% mannitol, 0.005% tocopherol acetate, and 0.0025% CI 73360.

[0061] Wherein, the preparation process of the toothpaste comprises the following steps:

[0062] S1: Moisturizer, hydrated silica, water, propylene glycol, detergent, cellulose gum, sodium phytate, PVM / MA copolymer, CI77891, menthol, xanthan gum, tetrasodium pyrophosphate, menthane carboxamide, methylparaben, hydroxyapatite, o-cymene-5-ol and propylparaben are mixed uniformly according to the formula ratio to form a mixture A;

[0063] S2: adding flavor, colorant and sodium saccharin to mixture A and stirring evenly to form mixture B;

[0064] S3: Grinding the mixture B to a certain particle size to form a mixture C;

[0065] S4: Filling the mixture C to prepare a toothpaste with teeth whitening function.

[0066] Among them, in said S1, the specific processing method includes the following steps:

[0067] S11: Raw material preparation, weighing each component to ensure accurate proportion; checking the validity period and quality of raw materials to ensure that the raw materials before feeding meet the production standards, and the weighing accuracy is controlled within ±0.5%;

[0068] S12: Main mixing, except for detergent, cellulose gum, and PVM / MA copolymer, pre-mix solid powder ingredients (humectant, hydrated silica, sodium phytate, etc.), add liquid ingredients (water, propylene glycol), stir slowly to avoid splashing, control the stirring speed at 30RPM, and control the stirring time at 10min;

[0069] S13: Add auxiliary ingredients, add detergent, cellulose gum, and PVM / MA copolymer to the mixture, stir to make the components fully dispersed and uniform, control the stirring speed at 50RPM, and control the stirring time at 20min.

[0070] Among them, in said S2, the specific processing method includes the following steps:

[0071] S21: Accurately weigh colorants and flavors, taking care to avoid any cross contamination;

[0072] S22: Slowly add colorant and flavor under low speed stirring to ensure complete blending. The stirring speed is controlled at 25 RPM and the stirring time is controlled at 5 minutes.

[0073] S23: Measure sodium saccharin and pre-dissolve it in the small batch mixture;

[0074] S24: Add into the main mixture, stir evenly, and control the stirring time within 10 minutes.

[0075] Among them, in said S3, the specific processing method includes the following steps:

[0076] S31: Check if the grinder is clean to avoid cross contamination;

[0077] S32: Setting the parameters of the grinding machine, the grinding gap is controlled at 0.1 mm, and the rotation speed is controlled at 1500 RPM;

[0078] S33: putting the mixture B into a grinder for fine grinding;

[0079] S34: Real-time monitoring of grinding temperature and particle size to ensure product quality, control grinding temperature below 45°C, and target particle size less than 10 microns.

[0080] Among them, in said S4, the specific processing method includes the following steps:

[0081] S41: Choose a suitable toothpaste tube and clean and disinfect it;

[0082] S42: Check whether the filling machine is operating normally and set filling parameters;

[0083] S43: Fill the ground mixture C into the toothpaste tube, check the filling weight and sealing quality to ensure the integrity of the product, control the weight error of each tube within ±1 gram, and control the sealing temperature at 180°C;

[0084] S44: Final inspection and packaging.

[0085] Embodiment 2:

[0086] A toothpaste with teeth whitening function. This embodiment is based on the embodiment 1, and the following improvements are made:

[0087] During the grinding process of Mixture C, hydrated silica and hydroxyapatite are treated with nanotechnology to reduce these ingredients to nanoscale. This treatment significantly increases the cleaning and whitening effects of teeth because the nanoparticles can penetrate deeper into the micro-cracks of tooth enamel and carry away more stain particles.

[0088] The specific steps are:

[0089] S51: Preliminary crushing and screening of hydrated silica and hydroxyapatite to ensure uniform particle size of raw materials;

[0090] S52: performing high temperature baking to remove moisture and impurities in the raw materials; the baking temperature is 120° C. and the time is 2 hours;

[0091] S53: Use nano-grinding machine for fine grinding, adjust machine parameters to ensure that the particle size reaches the predetermined range; ensure the stability and uniformity of nanoparticles through real-time monitoring equipment; nanoparticle target size is 50-100 nanometers; grinding time is 30 minutes;

[0092] S54: Surface treatment of nanoparticles to improve their stability in toothpaste;

[0093] S55: Add the treated nanoparticles into mixture C in proportion and mix them thoroughly.

[0094] Embodiment 3:

[0095] A toothpaste with teeth whitening function. This embodiment is based on the embodiment 1, and the following improvements are made:

[0096] Replace the flavor with microcapsule flavor. Add microencapsulated flavor to mixture B. Microencapsulated flavor has the characteristics of controlled release, which can achieve a long-term oral freshness effect. In addition, the flavor released after the microcapsule is broken can further enhance the freshness when brushing teeth.

[0097] The shell material of the microcapsule flavor is a food-grade water-insoluble polymer, and the content of the microcapsule flavor accounts for 0.1% of the total weight.

[0098] Embodiment 4:

[0099] A toothpaste with teeth whitening function. This embodiment is based on the embodiment 1, and the following improvements are made:

[0100] Sorbitol, maltitol and mannitol are extracted through cold pressing technology to ensure the purity and activity of the moisturizers and retain their natural properties to the greatest extent, thereby effectively improving the moisturizing and moisturizing effect of the toothpaste;

[0101] The specific steps are:

[0102] S81: Select high-quality sorbitol, maltitol and mannitol raw materials for cleaning and disinfection;

[0103] S82: Cut into small pieces to fit the requirements of the cold press;

[0104] S83: placing the prepared raw material block into a cold press, setting the pressure to 50 bar and the temperature to below 40°C;

[0105] S84: collecting the extract, filtering and purifying it;

[0106] S85: Conduct quality testing on the extracted moisturizers, including purity, active ingredient content and other indicators;

[0107] S86: Qualified products are stored in an environment with a temperature of 5°C and a relative humidity not exceeding 60% to maintain their stability and activity.

[0108] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A toothpaste with teeth whitening function, characterized in that the ingredients include: Humectant 50%, hydrated silica 22.00%, water 18.00%, propylene glycol 2.91%, detergent 2.1%, fragrance 0.60%, cellulose gum 0.60%, sodium phytate 0.50%, PVM / MA copolymer 0.50%, CI 77891 0.50%, menthol 0.36%, xanthan gum 0.30%, tetrasodium pyrophosphate 0.30%, menthane carboxamide 0.24%, colorant 0.5%, sodium saccharin 0.20%, methylparaben 0.15%, hydroxyapatite 0.10%, o-cymene-5-ol 0.09%, propylparaben 0.05; Wherein, the moisturizing agent comprises: sorbitol 41.00%, maltitol 4.50%, mannitol 4.50%; The cleaning agent includes: 1.995% sodium lauryl sulfate, 0.042% sodium sulfate, 0.0105% C12-16 alcohol, and 0.0525% water; The colorant comprises: 0.215% corn starch, 0.155% microcrystalline cellulose, 0.1225% mannitol, 0.005% tocopherol acetate, and 0.0025% CI 73360.

2. A toothpaste with teeth whitening function according to claim 1, characterized in that: The preparation process of the toothpaste comprises the following steps: S1: Moisturizer, hydrated silica, water, propylene glycol, detergent, cellulose gum, sodium phytate, PVM / MA copolymer, CI77891, menthol, xanthan gum, tetrasodium pyrophosphate, menthane carboxamide, methylparaben, hydroxyapatite, o-cymene-5-ol and propylparaben are mixed uniformly according to the formula ratio to form a mixture A; S2: adding flavor, colorant and sodium saccharin to mixture A and stirring evenly to form mixture B; S3: Grinding the mixture B to a certain particle size to form a mixture C; S4: Filling the mixture C to prepare a toothpaste with teeth whitening function.

3. The toothpaste with teeth whitening function according to claim 2, characterized in that: In S1, the specific processing method includes the following steps: S11: Raw material preparation, weighing each component to ensure accurate proportion; checking the validity period and quality of raw materials to ensure that the raw materials meet the production standards before feeding, and the weighing accuracy is controlled within ±0.5%; S12: Main mixing, except for detergent, cellulose gum, and PVM / MA copolymer, premix the solid powder ingredients, add the liquid ingredients, stir slowly to avoid splashing, control the stirring speed at 30RPM, and control the stirring time at 10min; S13: Add auxiliary ingredients, add detergent, cellulose gum, and PVM / MA copolymer to the mixture, stir to make the components fully dispersed and uniform, control the stirring speed at 50RPM, and control the stirring time at 20min.

4. The toothpaste with teeth whitening function according to claim 2, characterized in that: In S2, the specific processing method includes the following steps: S21: Accurately weigh colorants and flavors, taking care to avoid any cross contamination; S22: Slowly add colorant and flavor under low speed stirring to ensure complete blending. The stirring speed is controlled at 25 RPM and the stirring time is controlled at 5 minutes. S23: Measure sodium saccharin and pre-dissolve it in the small batch mixture; S24: Add into the main mixture, stir evenly, and control the stirring time within 10 minutes.

5. The toothpaste with teeth whitening function according to claim 2, characterized in that: In S3, the specific processing method includes the following steps: S31: Check if the grinder is clean to avoid cross contamination; S32: Setting the parameters of the grinding machine, the grinding gap is controlled at 0.1 mm, and the rotation speed is controlled at 1500 RPM; S33: putting the mixture B into a grinder for fine grinding; S34: Real-time monitoring of grinding temperature and particle size to ensure product quality, control grinding temperature below 45°C, and target particle size less than 10 microns.

6. The toothpaste with teeth whitening function according to claim 2, characterized in that: In S4, the specific processing method includes the following steps: S41: Choose a suitable toothpaste tube and clean and disinfect it; S42: Check whether the filling machine is operating normally and set filling parameters; S43: Fill the ground mixture C into the toothpaste tube, check the filling weight and sealing quality to ensure the integrity of the product, control the weight error of each tube within ±1 gram, and control the sealing temperature at 180°C; S44: Final inspection and packaging.

7. The toothpaste with teeth whitening function according to claim 2, characterized in that: In the toothpaste preparation process, during the grinding process of the mixture C, the hydrated silica and the hydroxyapatite are treated by nanotechnology; The specific steps are: S51: Preliminary crushing and screening of hydrated silica and hydroxyapatite to ensure uniform particle size of raw materials; S52: performing high temperature baking to remove moisture and impurities in the raw materials; the baking temperature is 120° C. and the time is 2 hours; S53: Use nano-grinding machine for fine grinding, adjust machine parameters to ensure that the particle size reaches the predetermined range; ensure the stability and uniformity of nanoparticles through real-time monitoring equipment; nanoparticle target size is 50-100 nanometers; grinding time is 30 minutes; S54: Surface treatment of nanoparticles to improve their stability in toothpaste; S55: Add the treated nanoparticles into mixture C in proportion and mix them thoroughly.

8. The toothpaste with teeth whitening function according to claim 2, characterized in that: In the toothpaste preparation process, sorbitol, maltitol and mannitol are extracted by cold pressing technology; The specific steps are: S81: Select high-quality sorbitol, maltitol and mannitol raw materials for cleaning and disinfection; S82: Cut into small pieces to fit the requirements of the cold press; S83: placing the prepared raw material block into a cold press, setting the pressure to 50 bar and the temperature to below 40°C; S84: collecting the extract, filtering and purifying it; S85: Conduct quality testing on the extracted moisturizers, including purity, active ingredient content and other indicators; S86: Qualified products are stored in an environment with a temperature of 5°C and a relative humidity not exceeding 60% to maintain their stability and activity.

Citation Information

Patent Citations

  • Toothpaste and preparation method thereof

    CN103536515A