CN1633967A - A kind of whitening toothpaste and manufacture method thereof - Google Patents

Abstract

Disclosed is a whitening toothpaste comprising toothpaste base material, 0.5-5 wt% of total composition of compound whitening agent (OCH) which is compounded from sepiolite with nano tunnel structure and polyvinylpyrrolidone (PVP), the composite whitening agent can sustain and stabilize the adsorption capacity of the sepiolite after being charged into the toothpaste, it can remove the dental plaque on the teeth surface and expel the dirty speckle in the teeth slots.

Description

A kind of whitening toothpaste and manufacture method thereof

technical field

The invention belongs to daily chemical products, in particular to a toothpaste with whitening effect and a manufacturing method thereof.

Background technique

Toothpaste has already become a necessity in people's daily life. With the continuous improvement of living standards, toothpaste has developed from a common tooth-cleaning type to a therapeutic type, and even to a whitening type. At present, the additives added to whitening toothpaste are mostly peroxide compounds, solvent compounds or high friction value compounds, or several or more types of compounds are added at the same time. Peroxide compounds have a more obvious whitening effect, but this type of compound is extremely unstable, and the proportioning performance with other components of toothpaste is poor, which affects its use effect, and the safety of peroxide used in the oral cavity is limited. limit. Solvent-based additives such as polyethylene glycol have a certain effect of dissolving stains, but the effect is not obvious, and the cost is not low. Compounds with high friction value, such as anhydrous calcium hydrogen phosphate, etc., are easy to wear the tooth enamel. For this type of problem, Chinese patent ZL03106274.1 (publication number CN1433750A) discloses a kind of sepiolite toothpaste and its manufacturing process, and it is mainly that the sepiolite after activation treatment is added in the toothpaste matrix, and sepiolite is used as Toothpaste abrasives are used to make sepiolite toothpaste, but because the sepiolite in this sepiolite toothpaste has not undergone any composite treatment, and the complex components in the toothpaste will make the adsorption capacity of the single sepiolite nano-tunnel structure Loss of activity, thus affecting its whitening effect.

Contents of the invention

The purpose of the present invention is aimed at the existence of the above problems, to provide a compound whitening agent prepared by compounding sepiolite first, and then adding the compound whitening agent after compounding to toothpaste to maintain and stabilize its adsorption capacity, thereby effectively improving the toothpaste. A whitening toothpaste with the use effect and a manufacturing method thereof.

Technical scheme of the present invention is realized like this:

A whitening toothpaste, including a toothpaste base, is characterized in that it also includes sepiolite with a nano-tunnel structure and polyvinylpyrrolidone (PVP) compounded by 0.5% to 5% by weight of the total composition. Compound whitening agent (OCH).

Wherein the percentages of sepiolite and polyvinylpyrrolidone (PVP) in the composite whitening agent to the total weight of the composite whitening agent are 50%-80% for sepiolite and 20%-50% for polyvinylpyrrolidone.

Wherein the above-mentioned toothpaste base adopts traditional toothpaste base, which includes wetting agent, adhesive, abrasive, essence and saccharin and an appropriate amount of deionized water, wherein the wetting agent adopts glycerin or sorbitol or propylene glycol or poly Ethylene glycol or its combination; the binder uses sodium carboxymethyl cellulose or carboxyethyl cellulose or carrageenan or xanthan gum or a combination thereof; the abrasive uses calcium carbonate or calcium hydrogen phosphate or silicon dioxide or a combination thereof . At this time, the percentages of each component in the total weight of the toothpaste are: 15% to 25% of wetting agent, 1% to 2.5% of binder, 1.5% to 2.5% of foaming agent, and 40% to 2.5% of abrasive agent. 50%, essence 1%-1.5%, saccharin 0.1%-0.5%, and the balance is deionized water. Wherein the preferred value of each component in the above-mentioned toothpaste paste base accounts for the percentage by weight of the total toothpaste composition is 18% to 23% of wetting agent, 1.5% to 2.0% of binder, 1.8% to 2.3% of foaming agent, 45%-48% abrasive, 1.2%-1.4% essence, 0.15%-0.35% saccharin, and the balance is deionized water. And the optimal value of each component in the toothpaste paste matrix accounts for the percentage of toothpaste total composition weight is wetting agent 20%, binding agent 1.8%, foaming agent 2.0%, abrasive agent 45%, essence 1.3%, saccharin 0.25%, and the balance is deionized water.

The manufacture method of whitening toothpaste of the present invention comprises the following steps:

1. Put 0.1% to 0.5% saccharin in the total weight percentage of the toothpaste into an appropriate amount of deionized water and stir until the saccharin is completely dissolved to obtain reagent water;

2. Add the reagent water prepared in the above step 1 to the remaining amount of deionized water to obtain a deionized aqueous solution;

3. The wetting agent, binder, foaming agent, abrasive agent accounting for 75% to 95% of the total weight percentage of the toothpaste and 0.5% to 5% of the total composition of the toothpaste are compounded to obtain Add the compound whitening agent (OCH) to the deionized aqueous solution obtained in the above step 2 and stir at a high speed for 20 to 40 minutes, then add the essence that accounts for 1% to 1.5% of the total weight of the toothpaste and stir for 10 to 30 minutes. The toothpaste paste is obtained by grinding with a colloid mill, and the finished whitening toothpaste is obtained through aseptic packaging.

Wherein the composite processing of the composite whitening agent (OCH) in above-mentioned steps 3 comprises the following steps:

(31) Slowly add polyvinylpyrrolidone (PVP) accounting for 20% to 50% of the total weight of the compound whitening agent (OCH) into deionized water at 30 to 60°C, and stir at high speed for 20 to 50 minutes to form a transparent solution, spare;

(32), adding sepiolite with a nano-tunnel structure, which accounts for 50% to 80% of the total weight percentage of the composite whitening agent (OCH), into the polyvinylpyrrolidone (PVP) solution under stirring, and stirs for 15 to 30 minutes, Then it undergoes high-speed centrifugation at 5000-10000/rev per minute to separate the solid from the liquid, and then vacuum-dry the solid phase to control its water content to no more than 2%-5%;

(33), the finished product after above-mentioned drying is broken into powder grain, through 300～400 mesh sieves, take out powder grain;

(34), take out the powder obtained in the above step 33 and continue to pulverize it with a pulverizer, pulverize it into a powder with a diameter of 0.005 ~ 0.002mm, then put it into an electric constant temperature drying box and heat it to 100 ~ 120 ° C for drying Sterilize and keep for 20-50 minutes to prepare the compound whitening agent OCH.

The present invention adopts the method of adding composite whitening agent (OCH) compounded by sepiolite with nano-tunnel structure and polyvinylpyrrolidone (PVP) in toothpaste matrix, utilizes sepiolite and polyvinylpyrrolidone (PVP) with nano-tunnel structure Vinylpyrrolidone and vinylpyrrolidone have excellent compound compatibility, which makes the compound whitening agent after compound treatment can effectively maintain and stabilize the adsorption capacity of sepiolite after being added to toothpaste, so as to give full play to the compound whitening agent OCH. Numerous nano-tunnel structures, strong adsorption capacity, and adsorption to the plaque attached to the tooth surface, so that the plaque on the tooth surface can be quickly removed; it is suitable for long-term consumption of colored food or with Colored tea, coffee, cola and smoking cause pigment and plaque to deposit alternately on the surface of the teeth and between the teeth. By brushing your teeth with a whitening toothpaste containing the compound whitening agent OCH, the plaque will be quickly and obviously removed. Among them, there is an isolated tooth experiment. The isolated teeth with obvious stains are scrubbed. First, the isolated teeth are photographed with a digital camera and input into the computer, and then the isolated teeth are repeatedly treated with whitening toothpaste containing compound whitening agent OCH Wash the teeth for three minutes each time, a total of three times, then rinse with water, dry, then take pictures with a digital camera and input them into the computer, use the computer to print out the photos before and after washing, and compare the changes on the tooth surface before and after washing. It is obvious from the image that OCH whitening toothpaste has a very significant effect on removing plaque. In the same experiment, the ordinary whitening toothpaste without the compound whitening agent OCH has almost no effect, and only the sepiolite toothpaste with nano-tunnel structure is added. Since the sepiolite has not been compounded, its effect is far less than that containing The toothpaste with the same amount of compound whitening agent OCH has obvious effect. Experiments have verified that the whitening toothpaste containing the compound whitening agent OCH has a very obvious whitening effect on removing plaque, and is very effective in removing acquired plaque and pigment deposited on the tooth surface. At the same time, because the Mohs hardness of the composite whitening agent OCH is 2-2.5, it has no damage to the enamel of the teeth. The compound whitening agent OCH is added to the toothpaste, and the natural whitening of the teeth can be restored by brushing the teeth. The effect is obvious, safe and reliable, making the present invention the latest achievement and breakthrough in the field of dental cosmetics.

The present invention is described in detail below in conjunction with the examples.

Detailed ways

Embodiment 1: the whitening toothpaste described in the present embodiment comprises the following materials accounting for the weight percent of the total composition: glycerin 10%, sorbitol 15%, CMC 1.4%, saccharin 0.25%, sodium lauryl sulfate 1.9%, Calcium carbonate 47%, compound whitening agent OCH 0.5%, essence 1.0%, deionized water balance.

The percentages of sepiolite and polyvinylpyrrolidone in the composite whitening agent in this embodiment to the total weight of the composite whitening agent are respectively 80% of sepiolite and 20% of polyvinylpyrrolidone.

Wherein the manufacture method of this whitening toothpaste comprises the following steps:

1. Put 0.25% saccharin, which accounts for 0.25% of the total weight of the toothpaste, into an appropriate amount of deionized water and stir until the saccharin is completely dissolved to obtain reagent water;

2. Add the reagent water prepared in the above step 1 to the remaining amount of deionized water to obtain a deionized aqueous solution;

3. Combining glycerin, sorbitol, sodium carboxymethyl cellulose, sodium lauryl sulfate, calcium carbonate, etc. that account for 75.3% of the total weight percentage of the toothpaste and 0.5% of the total toothpaste composition by weight The composite whitening agent (OCH) obtained after the treatment is added to the deionized aqueous solution obtained in the above step 2 and stirred at a high speed for 20 to 40 minutes, and then the essence that accounts for 1% of the total weight percentage of the toothpaste is added and stirred for 10 to 30 minutes. The toothpaste paste is obtained by grinding with a colloid mill, and the finished whitening toothpaste is obtained through aseptic packaging.

Wherein the composite processing of the composite whitening agent (OCH) in above-mentioned steps 3 comprises the following steps:

(31) Slowly add polyvinylpyrrolidone (PVP), which accounts for 50% of the total weight percentage of the compound whitening agent (OCH), into deionized water at 30-60°C, stir at high speed for 20-50 minutes, and form a transparent solution for later use ;

(32), add the sepiolite with nano-tunnel structure, which accounts for 50% of the total weight percentage of the composite whitening agent (OCH), into the polyvinylpyrrolidone (PVP) solution under stirring, stir for 15 to 30 minutes, and then mix it After high-speed centrifugation at 5,000-10,000 rpm per minute, the solid-liquid is separated, and then the solid phase is vacuum-dried to control its moisture content to no more than 2%-5%;

(33), the finished product after above-mentioned drying is broken into powder grain, through 300～400 mesh sieves, take out powder grain;

(34), take out the powder obtained in the above step 33 and continue to pulverize it with a pulverizer, pulverize it into a powder with a diameter of 0.005 ~ 0.002mm, then put it into an electric constant temperature drying box and heat it to 100 ~ 120 ° C for drying Sterilize and keep for 20-50 minutes to prepare the compound whitening agent OCH.

Embodiment 2: the whitening toothpaste described in the present embodiment comprises the following materials accounting for the weight percent of the total composition: glycerin 5%, propylene glycol 15%, sorbitol 10%, sodium carboxymethyl cellulose 0.9%, hydroxyethyl cellulose 0.4%, 0.25% saccharin, 2.1% sodium lauryl sulfate, 42% calcium hydrogen phosphate, 2.0% compound whitening agent OCH, 1.0% essence, and the balance of deionized water.

The percentages of sepiolite and polyvinylpyrrolidone in the composite whitening agent in this embodiment to the total weight of the composite whitening agent are 70% of sepiolite and 30% of polyvinylpyrrolidone, respectively.

Wherein, the manufacturing method of the whitening toothpaste is the same as that of Example 1, and will not be described in detail here.

Embodiment 3: the whitening toothpaste described in the present embodiment comprises the following materials accounting for the weight percent of the total composition: polyethylene glycol 10%, sorbitol 15%, sodium carboxymethylcellulose 1.0%, xanthan gum 0.3%, Saccharin 0.21%, sodium lauryl sulfate 2.2%, calcium hydrogen phosphate 35%, silicon dioxide 10%, compound whitening agent OCH 4.0%, essence 1.0%, deionized water balance.

The percentages of sepiolite and polyvinylpyrrolidone in the composite whitening agent in this embodiment to the total weight of the composite whitening agent are 60% of sepiolite and 40% of polyvinylpyrrolidone, respectively.

Wherein, the manufacturing method of the whitening toothpaste is the same as that of Example 1, and will not be described in detail here.

Embodiment 4: The whitening toothpaste described in the present embodiment comprises the following materials accounting for the weight percent of the total composition: polyethylene glycol 5%, propylene glycol 10%, sorbitol 15%, CMC 0.9%, carrageenan 0.4%, saccharin 0.22%, sodium lauryl sulfate 2.2%, calcium carbonate 25%, silicon dioxide 15%, compound whitening agent OCH 5.0%, essence 1.0%, deionized water balance.

The percentages of sepiolite and polyvinylpyrrolidone in the composite whitening agent in this embodiment to the total weight of the composite whitening agent are 50% of sepiolite and 50% of polyvinylpyrrolidone, respectively.

Wherein, the manufacturing method of the whitening toothpaste is the same as that of Example 1, and will not be described in detail here.

Claims (12)

1, a kind of whitening toothpaste, comprise toothpaste body base, it is characterized in that also comprising the percentage by weight that accounts for total composition and is 0.5%～5% by the sepiolite that has nano-tunnel structure and polyvinylpyrrolidone (PVP) composite The compound whitening agent (OCH) made. 2. The whitening toothpaste according to claim 1, characterized in that the toothpaste paste base includes a wetting agent, adhesive, foaming agent, abrasive, essence and saccharin and an appropriate amount of deionized water, wherein the wetting agent adopts Glycerin or sorbitol or propylene glycol or polyethylene glycol or a combination thereof; the binder is sodium carboxymethyl cellulose or hydroxyethyl cellulose or carrageenan or xanthan gum or a combination thereof; the foaming agent is lauryl Sodium sulfate; calcium carbonate or calcium hydrogen phosphate or silicon dioxide or a combination thereof are used as abrasives. 3. The whitening toothpaste according to claim 2, characterized in that the toothpaste paste base includes wetting agents, adhesives, foaming agents, abrasives, flavors, saccharin and an appropriate amount of deionized water, wherein each group The percentages by weight of the total toothpaste composition are: wetting agent 15%-25%, binder 1%-2.5%, foaming agent 1.5%-2.5%, abrasive agent 40%-50%, essence 1%- 1.5%, 0.1% to 0.5% saccharin, and the balance is deionized water. 4. The whitening toothpaste according to claim 3, characterized in that the ratio of each component in the toothpaste base to the total weight of the toothpaste is preferably 18% to 23% of the wetting agent and 1.5% of the binder ～2.0%, foaming agent 1.8%～2.3%, abrasive agent 45%～48%, essence 1.2%～1.4%, saccharin 0.15%～0.35%, and the balance is deionized water. 5. The whitening toothpaste according to claim 4, characterized in that the optimum percentages of each component in the toothpaste paste base to the total weight of the toothpaste are 20% wetting agent, 1.8% adhesive, and 1.8% foaming agent. 2.0% agent, 45% abrasive, 1.3% essence, 0.25% saccharin, and the balance is deionized water. 6. The whitening toothpaste according to claim 1, characterized in that the compound whitening agent preferably accounts for 1%-4% by weight of the total composition. 7. The whitening toothpaste according to claim 6, characterized in that the optimum weight percentage of the composite whitening agent in the total composition is 2.5%. 8. The whitening toothpaste according to claim 1, 6 or 7, characterized in that the percentages of sepiolite and polyvinylpyrrolidone (PVP) in the composite whitening agent to the total weight of the composite whitening agent are respectively 50% to 80% of sepiolite , Polyvinylpyrrolidone 20% to 50%. 9. The whitening toothpaste according to claim 8, characterized in that the preferred percentages of sepiolite and polyvinylpyrrolidone (PVP) in the composite whitening agent to the total weight of the composite whitening agent are respectively 60% to 70% of sepiolite , Polyvinylpyrrolidone 30% to 40%. 10. The whitening toothpaste according to claim 9, characterized in that the optimum percentages of sepiolite and polyvinylpyrrolidone (PVP) in the composite whitening agent in the total weight of the composite whitening agent are respectively 65% of sepiolite and 65% of polyvinylpyrrolidone (PVP). Vinylpyrrolidone 35%. 11. A manufacturing method of whitening toothpaste, characterized by comprising the following steps: 1. Put 0.1% to 0.5% saccharin in the total weight percentage of the toothpaste into an appropriate amount of deionized water and stir until the saccharin is completely dissolved to obtain reagent water; 2. Add the reagent water prepared in the above step 1 to the remaining amount of deionized water to obtain a deionized aqueous solution; 3. The wetting agent, binder, foaming agent, abrasive agent accounting for 75% to 95% of the total weight percentage of the toothpaste and 0.5% to 5% of the total composition of the toothpaste are compounded to obtain Add the compound whitening agent (OCH) to the deionized aqueous solution obtained in the above step 2 and stir at a high speed for 20 to 40 minutes, then add the essence that accounts for 1% to 1.5% of the total weight of the toothpaste and stir for 10 to 30 minutes. The toothpaste paste is obtained by grinding with a colloid mill, and the finished whitening toothpaste is obtained through aseptic packaging. 12. The method for producing whitening toothpaste according to claim 11, characterized in that the compound treatment of the compound whitening agent (OCH) in the above step 3 comprises the following steps: (31) Slowly add polyvinylpyrrolidone (PVP) accounting for 20% to 50% of the total weight of the compound whitening agent (OCH) into deionized water at 30 to 60°C, and stir at high speed for 20 to 50 minutes to form a transparent solution, spare; (32), adding sepiolite with a nano-tunnel structure, which accounts for 50% to 80% of the total weight percentage of the composite whitening agent (OCH), into the polyvinylpyrrolidone (PVP) solution under stirring, and stirs for 15 to 30 minutes, Then it undergoes high-speed centrifugation at 5000-10000/rev per minute to separate the solid from the liquid, and then vacuum-dry the solid phase to control its water content to no more than 2%-5%; (33), the finished product after above-mentioned drying is broken into powder grain, through 300～400 mesh sieves, take out powder grain; (34), take out the powder obtained in the above step 33 and continue to pulverize it with a pulverizer, pulverize it into a powder with a diameter of 0.005 ~ 0.002mm, then put it into an electric constant temperature drying box and heat it to 100 ~ 120 ° C for drying Sterilize and keep for 20-50 minutes to prepare the compound whitening agent OCH.