JP3403956B2 - Toothpaste - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dentifrice, and in particular, by using a carbide powder which is a natural material,
It is intended to provide a new dentifrice which has no danger to the human body even after long-term use, has an excellent toothbrushing effect such as removal of food waste, and is comfortable to brush.

[0002]

2. Description of the Related Art Toothpastes are used as is a matter of course when brushing teeth before meals, after meals, when waking up, at bedtime, etc., and a wide variety of toothpastes are provided. In order to improve the brushing effect and the feeling of use, these dentifrices contain medicinal components such as bactericides, antiphlogistics, foaming agents, wetting agents, preservatives, synthetic colorants, and chemically synthesized components.

However, these components include substances having toxicity or allergies, and many of them are dangerous for infants and elderly people who have long-term use or weak resistance.

The ingredients contained in the dentifrices currently on the market at present and having a risk are shown in Table 1 below.

[0005]

[Table 1]

[0006]

As shown in Table 1, a great deal of toxicity and allergenicity have been reported, but when brushing teeth, these components are present in the mouth in high concentrations. . For example, tap water quality standard is 0.2 pp for anionic surfactants such as sodium lauryl sulfate.
Although it is said to be m or less, when a dentifrice containing a surfactant is contained in the mouth, a high concentration of 20000 ppm is reached during polishing. According to the survey report, the surfactant is 0.45p
It is said that about 50% of juvenile sweetfish will die in the water quality of pm. Recently, long-term brushing has become popular because it is effective in preventing tooth decay and treating periodontal disease (alveolar pyorrhea), but toothpaste containing such toxicity and allergenicity can be used at high concentration for a long time. It is clear that even if a healthy adult is covered by the mouth, there is some adverse effect on the body. Most people continue to use dentifrices containing such dangerous ingredients on a daily basis.

On the other hand, a dentifrice agent (Japanese Patent Publication No. 8-25862) in which one or both of black burnt eggplant or activated carbon is contained as an adsorbent in a conventional dentifrice agent, and charcoal powder are known as main raw materials. There is provided a dentifrice agent obtained by adding and mixing a dentifrice material (JP-A-10-95721).

However, the above Japanese Patent Publication No. 8-258.
In No. 62, activated carbon is contained only as an adsorbent in a range of up to 5% by weight. In addition, JP-A-10-95
In No. 721, the charcoal powder contains only particles having a particle size of 50 μm to 2 mm in an amount of 10 to 40% by weight. Furthermore, activated charcoal or charcoal powder used in both cases does not use charcoal or the like under a specific condition that has the effect of a dentifrice and is excellent in the feeling of use.

On the other hand, charcoal such as charcoal, activated charcoal, bamboo charcoal, and bone charcoal has excellent adsorptive power, and has an appropriate hardness for tooth enamel, so that it has a polishing effect and is very suitable as a toothpaste. It can be called a material. It has various effects such as adsorbing or polishing foreign substances such as bacteria in the mouth and food waste, making the mouth alkaline with natural minerals contained in charcoal, and preventing acidification of the mouth with waste products generated by bacteria.
Since the charcoal is a natural material, it does not have the harmful effects of the above-mentioned chemical substances, is friendly to humans, and has no water pollution, so it can be used as an earth-friendly dentifrice.

In view of the above, the present invention focuses on the carbide powder as a natural material having an excellent adsorptive power and having a proper polishing effect on tooth enamel, and does not contain harmful components as shown in Table 1 above. Or, reduce its content,
Made from natural materials that are gentle to the human body, and
It is intended to provide a dentifrice having a toothbrushing effect such as cleaning of teeth and mouth, prevention of dental caries such as removal of plaque and tartar, and prevention of periodontal disease.

[0011]

In order to solve the above problems, the present invention provides a salt of carbide powder having a particle size of 10 to 100 μm.
Carbonization by compounding sodium chloride and recrystallization
Chloride was deposited on the surface and in the pores of the product powder
Toothpaste is provided as a basic component. And, the charcoal-based powder is composed of one or more selected from charcoal, activated charcoal, bamboo charcoal, and bone charcoal, and a known dentifrice is added to the above.
The present invention provides a dentifrice prepared by mixing 10% by weight or more of the dentifrice.

According to the present invention described above, particle size 10 to 10
Recrystallize by adding sodium chloride to 0 μm carbide powder
By this, chloride on the surface and inside the pores of the carbide powder
Toothpaste with precipitated sodium has an appropriate hardness for tooth enamel, and therefore has a polishing effect, adsorbs or removes foreign substances such as bacteria and food waste in the mouth, and natural minerals contained in carbides. To make the mouth alkaline,
It has various effects as a toothpaste such as preventing acidification of the mouth due to waste products generated by bacteria. Moreover, carbide powder and
Sodium chloride For natural, no adverse effects of chemicals, gently to humans, and can be obtained Earth also friendly dentifrice since it is not water pollution.

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the dentifrice according to the present invention will be described below. The dentifrice according to the present invention has sodium chloride added to carbide powder having a particle size of 10 to 100 μm.
By combining and recrystallizing, the surface of the carbide powder and
The feature is that sodium chloride is deposited in the pores . The carbide powder used in the present invention is one or more selected from charcoal, activated carbon, bamboo charcoal and bone charcoal. These carbides have excellent adsorptive power, and also have a polishing effect because they have an appropriate hardness for the tooth enamel. Furthermore, the carbide powder is mixed with sodium chloride to re-bond.
Crystallized to add a small amount of natural material to the toothpaste
And the effect of tightening the gums by sodium chloride and
It also has a bactericidal effect and enhances the tooth brushing effect, which makes it a very suitable material as a dentifrice. In addition, it has various effects such as adsorbing or polishing and removing foreign substances such as bacteria and food waste in the mouth, making the mouth alkaline with natural minerals contained in carbide, and preventing acidification of the mouth due to waste products generated by bacteria. Also has. Above all because of these carbides are natural materials, there is no adverse effects of chemicals such as previously described, friendly to people, and, it is possible to obtain the Earth to be friendly toothpaste since there is no water pollution.

As the charcoal, conifers such as cedar and cypress and hardwoods such as oak and oak can be used, and the species of the charcoal is not particularly limited. Since it has a large surface area and is excellent in adsorptivity, it is more preferable. 350-110 of these raw materials
Carbonization is performed at a temperature of 0 ° C., more preferably at a temperature of 550 to 1000 ° C., and the particle size is adjusted to 10 to 100 μm .

The adsorption characteristics of charcoal are significantly affected by the carbonization temperature in addition to the effect of the difference in tree species. This is because the physical properties such as the surface area and pore distribution of the carbide and the types of functional groups on the surface of the carbide greatly differ depending on the carbonization temperature. Surface area increases with increasing carbonization temperature, but 10
On the contrary, the surface area decreases from about 00 ° C. due to the shrinkage. Therefore, the upper limit of the carbonization temperature is preferably about 1000 ° C. so that the adsorption area is wide.

Further, the carbide has an acidic or basic oxide (functional group) on its surface, and the type of the oxide affects the amount of adsorption and the type of substance to be adsorbed. FIG. 1 is a graph showing the adsorption amount of sodium hydroxide (NaOH) due to the difference in the carbonization temperature of carbides made from cypress and Japanese cedar. The greater the adsorption amount of alkaline substance NaOH, the more
This means that the surface of the carbide contains a large amount of acidic functional groups. As shown in FIG. 1, the amount of adsorbed NaOH decreases with an increase in the carbonization temperature, and particularly at 550 ° C. or higher, almost no adsorption of NaOH is observed. This means that the reversal phenomenon of the content of acidic surface oxides and basic surface oxides on the surface of carbide is 5
This indicates that it occurs near 50 ° C., and it can be seen that the content of basic surface oxides is high on the high temperature side.

That is, the charcoal carbonized in the low temperature region has many acidic groups such as carboxyl groups on the surface thereof, and the surface shows acidity, while the charcoal carbonized in the high temperature region has a decreased acid group, It becomes basic. Since the boundary temperature of showing acidity or basicity is about 550 ° C., and the charcoal surface carbonized at 550 ° C. or higher shows basicity, it is particularly excellent in adsorption of acidic substances. Therefore, the lower limit of the carbonization temperature of charcoal is preferably about 550 ° C.

The amount of minerals rich in charcoal also increases with the increase of carbonization temperature. FIG. 2 (A)-
(D) is a graph showing the relationship between the carbonization temperature and the elution amount of alkali, and the elution amount of magnesium (A), the elution amount of calcium (B), the elution amount of sodium (C), and the elution amount of potassium (D), which are natural minerals, are shown. Shows. As shown in FIG. 2, the elution amount of the natural minerals contained in the carbide increases as the carbonization temperature rises. Especially the elution amount of potassium is large (only the graph of D has a large number of digits of elution amount), 550 ° C
Above, remarkable elution is seen.

Further, the carbonization temperature of about 550 ° C. exhibits alkalinity of pH 7 or higher. Figure 3 shows the carbonization temperature and p
FIG. 3 is a graph showing a relationship of H, and p when a carbide is suspended in distilled water with an increase in the amount of mineral elution shown in FIG.
H also rises, and the pH becomes alkaline at pH 7 or higher near the carbonization temperature of 550 ° C. By utilizing the characteristics of charcoal, which is rich in minerals and has alkalinity, it is possible to prevent acidification of the mouth due to waste products produced by bacteria and to enhance the tooth brushing effect. Therefore, the lower limit of the carbonization temperature of charcoal is preferably about 550 ° C.

Even if the carbonization temperature is in the range of 350 to 1100 ° C., the effect is inferior to the above-mentioned carbonization temperature of 550 to 1000 ° C., but as a dentifrice, bacteria in the mouth and foreign matters such as food waste are absorbed. Adsorption or polishing removal,
Natural charcoal contained in charcoal makes the mouth alkaline, and various effects such as preventing acidification of the mouth by waste products generated by bacteria are used. Therefore, charcoal charred at a carbonization temperature of about 350 to 1100 ° C is also used. be able to.

[0021] The charcoal carbonized in this way 10-10
The charcoal powder is obtained by adjusting the particle size to 0 μm . Particle size 10μ
If it is less than m, the polishing effect will be small for use as a toothpaste, and it will easily enter between the teeth. On the other hand, if the thickness is 100 μm or more, the tooth enamel may be damaged due to being too large, and the feeling of foreign matter may be increased, resulting in poor polishing comfort. Therefore, the particle size is about 10 to 100 μm, which is good in polishing comfort and can maintain an appropriate polishing effect .

Next, as the activated carbon, a woody raw material such as coconut husk is 350 to 1100 ° C., more preferably 550 to 1
Activated carbon obtained by activation at 000 ° C. is 10 to 100 μm.
Adjust to the particle size of . As a method of activating activated carbon (activation method), a steam activation method is preferable to a chemical activation method. There are roughly two types of activation methods, chemical activation with zinc chloride and steam activation, but the oxides on the activated carbon surface, so-called functional groups, differ greatly depending on the activation method.According to chemical activation, the activated carbon surface is acidic. The surface oxide content increases, and the steam activation reduces the acid surface oxide content. Therefore, steam activated charcoal is superior to the adsorption of acidic substances, and steam activated charcoal is preferable in order to prevent acidification of the mouth due to waste products generated by bacteria. Further, since the purpose is a dentifrice, steam activated carbon is more preferable from the viewpoint of not using chemicals as much as possible in the manufacturing process. The conditions for the carbonization temperature and the reason for determining the particle size as a dentifrice are the same as those for charcoal.

As the bamboo charcoal, bamboo is 350 to 110.
Carbonize at 0 ° C, more preferably 550 to 1000 ° C, 1
Adjust the particle size from 0 to 100 μm . The conditions for the carbonization temperature and the reason for determining the particle size as a dentifrice are the same as those for charcoal.

Further, as bone charcoal, beef bones are degreased and dried, and then roughly crushed, and then 350 to 1100 ° C., more preferably 550.
Carbonize by firing at ~ 1000 ° C. 10 to the obtained bone charcoal
Adjust to a particle size of 100 μm . The method for producing the bone charcoal is not particularly limited, and any method may be used, and the raw material is not limited to beef bone and may be other bone. The reason for determining the particle size as a toothpaste is the same as in the case of charcoal.

[0025]

[0026]

As a method of compounding sodium chloride into the carbide powder, sodium chloride crystals and the carbide powder are mechanically mixed or recrystallized on the carbide powder in an aqueous sodium chloride solution. The latter method is suitable for more homogeneously mixing the carbide powder and the sodium chloride crystals. That is, in mechanical mixing, it is difficult to uniformly mix sodium chloride crystals because they have a larger specific gravity than carbide powder, and if vibration is applied even after mixing, sodium chloride with a large specific gravity will be in the lower layer, and a carbide with a small specific gravity. The powder separates into the upper layer in the container. On the other hand, according to the recrystallization method, sodium chloride is precipitated not only on the surface of the carbide powder but also inside the pores, and a homogeneous blending can be realized. Also,
By doing so, the specific gravity of the carbide powder itself becomes large, and there is also an effect that dust is less likely to stand when used as a toothpaste.

Next , another embodiment of the dentifrice according to the present invention
As the condition , sodium chloride is added to the above-mentioned carbide powder.
The dentifrice which has been combined and recrystallized is mixed with a known dentifrice material . There is no particular limitation on the material of the known toothpaste, and the medicinal components such as bactericides, antiphlogistics, foaming agents, wetting agents, binders, preservatives, synthetic colorants, etc. used for toothbrushing and chemical synthesis. Ingredients and moisture can be used. Distribute sodium chloride to the above-mentioned carbide powder.
By mixing the dentifrice recrystallization engaged, it is possible to provide as high toothpaste effective dentifrice consisting existing materials in safety. Therefore, carbide powder blended with salt sodium reduction is at least 10 wt%
As described above, preferably 50% by weight or more is mixed, and the upper limit of the mixing amount is not limited. The toothpaste may be powder toothpaste or brick toothpaste.

[0029]

According to the present invention described above, the particle size is 10
~ 100 μm carbide powder mixed with sodium chloride
By recrystallizing, the surface and pores of the carbide powder
Toothpaste with sodium chloride precipitated on
And, carbide powder, charcoal, activated carbon, charcoal, Ri Do from those have been one or more selected from bone black, even the toothpaste
By mixing the agent with a known dentifrice, the following effects are exhibited. First, add sodium chloride to the carbide powder.
The dentifrice blended and recrystallized can adsorb and remove microorganisms and food waste in the mouth due to its excellent adsorptive power, and since it is excellent in adsorbing acidic substances, waste products generated by microorganisms make the mouth acidic. Can be prevented. In addition, since it has an appropriate hardness to the enamel of teeth, it can polish and remove foreign matter and plaque adhering to teeth, and can make the mouth alkaline by the rich natural minerals contained in carbide powder. Therefore, the effect of preventing tooth decay can be expected.

Also, unlike conventional abrasives such as calcium phosphate and calcium carbonate, it can be used for long-term brushing without damaging the enamel due to excessive polishing effect. Further, since the charcoal-based powder is tasteless and odorless, it is suitable for those who are not good at flavor components, and it has a good polishing feeling and a refreshing feeling after polishing. Further, since the charcoal-based powder is a natural material, there is no fear of carcinogenicity or allergic effects on the body.

Further, since the charcoal-based powder made of bamboo charcoal contains a large amount of fibrous material, it has a great effect of polishing and removing the foreign matter phase adhering to the teeth, particularly the foreign matter phase between the teeth. Further, since the carbide powder made of bone charcoal contains the same apatite as the main component of the tooth, it also has the action of repairing the tooth defect portion.

Sodium chloride was added to the carbide powder and
By was crystallized, also joined tightening effect and bactericidal effect of the gums, is highly effective in the treatment of tooth decay prevention and periodontal disease. Furthermore, when blended with existing toothpaste materials and toothpastes, the amount of chemicals used can be reduced in addition to the effect of the above-mentioned carbide powder.

[Brief description of drawings]

FIG. 1 is a graph showing the amount of NaOH adsorbed depending on the difference in carbonization temperature.

FIG. 2 is a graph showing the relationship between carbonization temperature and elution amount of magnesium (A), elution amount of calcium (B), elution amount of sodium (C), and elution amount of potassium (D) which are elution amounts of alkali.

FIG. 3 is a graph showing the relationship between carbonization temperature and pH. Reference number P2871

Claims (2)

(57) [Claims] 1. A kind selected from charcoal, bamboo charcoal and bone charcoal.
Is a toothpaste characterized by precipitating sodium chloride on the surface and pores of the carbide powder by mixing and recrystallizing a plurality of carbide powders having a particle size of 10 to 100 μm with each other . Wherein the known dentifrice, the dentifrice being characterized in that a mixture of 10 wt% or more dentifrice of claim 1 Symbol placement.