JPH11349461A - Dentifrice composition - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain the subject composition having high cleaning effect and low abrasive property and suppressed in development of astringency and metallic taste, improved in feeling to uses and useful as a tooth paste, etc., by adding wax such as lanolin to a composition comprising a condensed phosphate, etc., and a water-soluble transition metal compound. SOLUTION: This dentifrice composition contains a dentifrice composition comprising (A) one or more salts selected from condensed phosphate, hydrogencarbonate and hydrogensulfate (e.g. sodium pyrophosphate, sodium hydrogencarbonate or sodium hydrogensulfate) and (B) a water-soluble transition metal compound (e.g. copper gluconate or manganese chloride) and (C) one or more kinds of waxes selected from lanolin and its derivative, spermaceti, carnauba wax, candelilla wax and beeswax, preferably in ratio of 1-40 wt.% component A, 0.2-2 wt.% component B and 0.3-5 wt.% component C based on whole composition.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a dentifrice composition containing one or more selected from the group consisting of condensed phosphates, hydrogen carbonates and hydrogen sulfates, and a water-soluble transition metal compound, and in particular, The present invention relates to a dentifrice composition having an improved feeling in use.

[0002]

2. Description of the Related Art Conventionally, an abrasive such as an inorganic powder has been blended into a dentifrice composition, and the cleaning power has been secured by the polishing power, which is a physical action.
However, in order to increase the cleaning power, the polishing power must be increased, but if the cleaning power is increased, the polishing power may cause damage to the teeth, and therefore, a high cleaning power without fear of damaging the teeth. Was desired.

[0003] From such a point of view, the present inventors have previously prepared a dentifrice composition with one or more selected from the group consisting of condensed phosphates, hydrogencarbonates and hydrogensulfates and a water-soluble transition metal. It has been proposed to compound a compound (Japanese Patent Application No. Hei 10-10).
No. 2061). As a result, a high cleaning power could be obtained without depending on the physical polishing power. However, the dentifrice composition containing these compounds exhibits astringency and metallic taste, and reduces the feeling of use. Therefore, it is desired to improve the feeling of use of a dentifrice composition containing such a compound that reduces the feeling of use.

[0004]

Means for Solving the Problems and Embodiments of the Invention The present inventors have conducted intensive studies to meet the above-mentioned demands, and as a result, have selected from the group consisting of condensed phosphates, hydrogencarbonates and hydrogensulfates. One or two or more and a water-soluble transition metal compound, the dentifrice composition having astringency and metallic taste,
By blending one or more waxes selected from lanolin and its derivatives, spermaceti, carnauba wax, candelilla wax and beeswax, the feeling of use is improved and the above object is achieved. It is something that has been done.

[0005] The improvement of the astringency of phytic acid, allantoin, chlorohydroxyaluminum, etc.
The compounding of compounds such as amino acids or proteins has been proposed (Japanese Patent Publication No. 61-23768), and the addition of wax or shellac to oral compositions for the purpose of imparting gloss to teeth has been proposed ( JP-A-8-3109
No. 29) is a new finding by the present inventors that it suppresses the feeling of use of a dentifrice composition containing the above-mentioned astringent compound and a compound having a metallic taste with waxes.

Hereinafter, the present invention will be described in more detail.
As described above, the dentifrice composition according to the present invention comprises (A)
One or more selected from the group consisting of condensed phosphates, hydrogen carbonates and hydrogen sulfates; (B) a water-soluble transition metal compound; and (C) lanolin and its derivatives, spermaceti, carnauba wax, candelilla wax. And a dentifrice composition using one or more waxes selected from beeswax and beeswax.

Here, of the component (A), the condensed phosphate is represented by the following general formula (1) or (2): M _{n + 2} P _n O _{3n + 1} (1) (MPO ₃ ) _m . (2) (where M represents a monovalent metal, but a part of M may be substituted with a hydrogen atom. N and m are n ≧ 2 and m ≧ 3) A shape or a ring is used.
Specifically, pyrophosphate of n = 2, tripolyphosphate of n = 3, tetrapolyphosphate of n = 4, polyphosphate of high polymerization degree, trimetaphosphate of m = 3, m = 4 Tetrametaphosphate, hexametaphosphate having m = 6 and the like, and examples of the salt (M) include sodium and potassium. Illustratively, examples of the pyrophosphate include sodium pyrophosphate and potassium pyrophosphate.
Sodium polyphosphate is exemplified as the polyphosphate of ≧ 3, and sodium hexametaphosphate is exemplified as the hexametaphosphate. Among them, sodium pyrophosphate, potassium pyrophosphate and sodium polyphosphate are preferable.

[0008] Examples of the bicarbonate include sodium bicarbonate, potassium bicarbonate, ammonium bicarbonate and sodium sesquicarbonate. Examples of the hydrogen sulfate include sodium hydrogen sulfate and potassium hydrogen sulfate.

The above-mentioned condensed phosphate, hydrogen carbonate,
The hydrogen sulfate may contain one of these or two or more thereof. These compounds are appropriately used in various amounts depending on the purpose of each compounding, but usually 0.1 to 50% (% by weight, hereinafter the same) of the whole composition, particularly 1 to 40%. it can. If it is less than 0.1%, sufficient cleaning power cannot be obtained, and if it exceeds 50%, the composition is separated, which may adversely affect the quality.

Next, the atomic numbers of the transition metals constituting the water-soluble transition metal compound (B) are 21 to 30, 39 to 4
7, 57 to 80, and 89 or more. Preferably 2
Transition metal compounds having an atomic number of 1 to 30, 39 to 47, more preferably titanium, vanadium, manganese,
It is a compound of copper, zirconium, molybdenum, palladium, and silver.

In this case, these compounds need only be water-soluble, and the counter ions of the above metals are not particularly limited, but inorganic salts such as chlorides, bromides, fluorides, sulfates, and nitrates; Organic salts such as salts, oxalates, gluconates, citrates and the like are mentioned, and complex salts or double salts may be used.

For example, as the sulfate, cobalt sulfate,
Manganese sulfate, nickel sulfate, palladium sulfate, chromium sulfate, copper sulfate and the like. Examples of the nitrate include cobalt nitrate, chromium nitrate, manganese nitrate, palladium nitrate, nickel nitrate, and copper nitrate. Examples of the chloride include gold chloride, platinum chloride, rhenium chloride, iridium chloride, manganese chloride, vanadium chloride, nickel chloride, titanium chloride, copper chloride and the like. The bromide includes gold bromide, manganese bromide, nickel bromide, molybdenum bromide, copper bromide and the like. Examples of the fluoride include platinum fluoride and vanadium fluoride.

The acetate includes cobalt acetate, nickel acetate, chromium acetate, iron acetate, manganese acetate and the like. Examples of the oxalate include chromium oxalate, iron oxalate and the like, and copper gluconate, copper citrate and the like may also be used.

As complex salts, hexaammineiridium chloride [Ir (NH ₃ ) ₆ ] Cl ₃ , tris (ethylenediammine) nickel chloride dihydrate [Ni (C ₂ H ₈ N)
₂ ) ₃ ] Cl ₂ .2H ₂ O, tetraammine palladium chloride monohydrate [Pd (NH ₃ ) ₄ ] Cl ₂ .H ₂ O, and the like, and copper chlorophyllin sodium is also used.

The amount of the water-soluble transition metal compound is 0.001 to 5%, preferably 0.1 to 3% of the whole composition.
%, More preferably 0.2 to 2%. The blending amount is 0.
If it is less than 001%, the cleaning power cannot be obtained, and if it exceeds 5%, the composition is separated, which may adversely affect the quality.

As the wax of component (C), one or more of lanolin and its derivatives, spermaceti, carnauba wax, candelilla wax and beeswax are used.

The compounding amount of the above wax is 0.1% of the whole composition.
The content is preferably 1 to 10%, particularly preferably 0.3 to 5%.
If the amount is less than 0.1%, sufficient effects cannot be obtained,
If it exceeds 10%, the taste of the wax itself may adversely affect the taste.

The dentifrice composition according to the present invention can be prepared into a toothpaste, a liquid dentifrice and the like. In this case, as other components, appropriate components usually used can be blended, and an abrasive, Binders, thickeners, surfactants, sweeteners, fragrances, preservatives, various active ingredients and the like can be blended.

For example, abrasives include calcium hydrogen phosphate / anhydride, calcium hydrogen phosphate / dihydrate,
Tribasic calcium phosphate, calcium carbonate, calcium pyrophosphate, aluminum hydroxide, silicic acid anhydride, aluminum silicate, insoluble sodium metaphosphate, tribasic magnesium phosphate, magnesium carbonate, calcium sulfate, bentonite, zirconium silicate, polymethyl methacrylate, One or more kinds of other synthetic resins and the like can be blended.

Examples of the binder include cellulose derivatives such as carrageenan, sodium carboxymethylcellulose, methylcellulose and hydroxyethylcellulose; alginic acid derivatives such as sodium alginate and propylene glycol alginate; gums such as xanthan gum, jeuran gum, tragacanth gum and karaya gum. , Polyvinyl alcohol, sodium polyacrylate, carboxyvinyl polymer and the like, and one or more kinds of inorganic binders such as silica gel, veegum and laponite.

As humectants, glycerin, sorbit, propylene glycol, polyethylene glycol,
One or more polyhydric alcohols such as xylitol, maltitol and lactitol may be blended.

As the surfactant, an anionic surfactant, a nonionic surfactant and an amphoteric surfactant are used.

Examples of the anionic surfactant include sodium alkyl sulfates such as sodium lauryl sulfate and sodium myristyl sulfate, and sodium N-lauroyl sarcosinate and N-myristoyl sarcosinate.
N-acyl glutamates such as sodium acylsarcosinate, sodium dodecylbenzenesulfonate, hydrogenated coconut fatty acid, sodium monoglyceride monosulfate, sodium lauryl sulfoacetate, sodium N-palmitoyl glutamate, sodium N-methyl-N-acyl taurate, N -Methyl-N-acylalanine sodium, sodium α-olefin sulfonate and the like are used.

Examples of the nonionic surfactant include sugar fatty acid esters such as sucrose fatty acid ester, maltose fatty acid ester and lactose fatty acid ester, sugar alcohol fatty acid esters such as maltitol fatty acid ester and lactitol fatty acid ester, and polyoxyethylene sorbitan monolau. Rate, polyoxyethylene sorbitan fatty acid ester such as polyoxyethylene sorbitan monostearate, polyoxyethylene fatty acid ester such as polyoxyethylene hydrogenated castor oil, lauric acid mono- or diethanolamide, fatty acid mono- or myristic acid mono- or diethanolamide or the like. Diethanolamide, sorbitan fatty acid ester, polyoxyethylene higher alcohol ether, polyoxyethylene polyoxypropylene copolymer, polyoxy Etc. Ji Ren polyoxypropylene fatty acid ester is used.

As the fragrance component, menthol, anethole, carvone, eugenol, limonene, n-decyl alcohol, citronellol, α-terpineol, cineol, linalool, ethyl linalool, crocodile, thymol, peppermint oil, spearmint oil, wintergreen oil, Flavors such as clove oil and eucalyptus oil may be used alone or in combination.

As the sweetener, saccharin sodium,
Sweetening agents such as stevioside, dipotassium glycyrrhizinate, perillartin, thaumatin and the like can be added.

Active ingredients include fluorides such as sodium fluoride and sodium monofluorophosphate, enzymes such as dextranase, mutanase, lysozyme, amylase, protease, lytic enzyme, tranexamic acid, epsilon aminocaproic acid, dipotassium glycyrrhizinate. , Glycyrrhetinic acid, bisabolol, chlorophyll, sodium chloride, water-soluble inorganic phosphate compound, triclosan, cetylpyridinium chloride, benzalkonium chloride,
One or more active ingredients such as benzethonium chloride may be blended.

[0028]

According to the present invention, the dentifrice composition can be prepared by using one or more selected from the group consisting of condensed phosphates, hydrogencarbonates and hydrogensulfates, without using physical polishing. By compounding the compound, the cleaning effect is high and the polishing property is low. In addition, the astringency and metallic taste of these compounds are suppressed, and the feeling of use is improved, resulting in high commercial value.

[0029]

EXAMPLES The present invention will be described below in detail with reference to examples and comparative examples, but the present invention is not limited to the following examples. In addition, all% in each example are weight%.

Examples 1 to 5 and Comparative Examples 1 to 5 The dentifrice compositions shown in Table 1 were prepared by a conventional method, and their astringency and metallic taste were evaluated by the following methods. Table 1 shows the results.

Astringency and metal taste evaluation method The astringency and metal taste of the dentifrice composition were organoleptically evaluated by a panel of 10 experts. The evaluation criteria are as follows. [Evaluation Criteria] な し: No astringency and no metallic taste (response that there are no 10 persons) ○: No astringency and no metallic taste (response that there is no 8 to 9 persons) △: Somewhat astringent and metallic taste (3) ×: Astringency and metallic taste (response that there are 8 or more)

[0032]

[Table 1]

Example 6 Toothpaste Purified lanolin 0.5% Sodium pyrophosphate 5 Copper gluconate 0.2 Silica 10 Propylene glycol 3 Glycerin (85%) 25 Propylene glycol alginate 0.6 Xanthan gum 0.5 Lauroyl sarcosine Sodium 0.3 Sodium lauryl sulfate 1 Tranexamic acid 0.05 Sodium fluoride 0.21 Saccharin sodium 0.1 Fragrance 1.2 Purified water Balance 100%

Example 7 Toothpaste Purified Lanolin 1% Sodium Pyrophosphate 3 Sodium Tripolyphosphate 2 Manganese Chloride 0.15 Silica 20 Propylene Glycol 2 Sorbitol (70%) 30 Xanthan Gum 0.8 Carrageenan 0.2 Sodium Lauryl Sulfate 1 0.5 ε-aminocaproic acid 0.05 Sodium fluoride 0.21 Saccharin sodium 0.15 Fragrance 1 Purified water Balance 100%

Example 8 Toothpaste Carnauba wax 1.5% Potassium pyrophosphate 5 Copper sulfate 0.3 Silica 15 Propylene glycol 3 Glycerin (85%) 23 Sodium carboxymethylcellulose 0.2 Xanthan gum 0.6 Sodium lauryl sulfate 1. 2 Dipotassium glycyrrhizinate 0.05 Sodium fluoride 0.21 Sodium saccharin 0.1 Fragrance 1.3 Purified water Balance 100%

Example 9 Toothpaste Beeswax 2% Manganese chloride 0.4 Sodium bicarbonate 8 Aluminum hydroxide 40 Propylene glycol 3 Glycerin (85%) 35 Carrageenan 0.1 Xanthan gum 0.8 Sodium lauryl sulfate 1.8 Glycyrrhizin Dipotassium acid 0.05 Sodium monofluorophosphate 0.76 Sodium saccharin 0.3 Perfume 0.8 Purified water Balance 100%

Example 10 Toothpaste Carnauba wax 3% Zinc chloride 0.1 Sodium hydrogen sulfate 0.3 Calcium hydrogen phosphate dihydrate 35 Propylene glycol 3 Sorbitol (70%) 40 Sodium carboxymethyl cellulose 0.5 Xanthan gum 0.5 Sodium lauryl sulfate 1 ε-aminocaproic acid 0.05 Saccharin sodium 0.15 Fragrance 0.8 Purified water Balance 100%

Example 11 Toothpaste Beeswax 0.5% Sodium hexametaphosphate 0.2 Copper gluconate 0.1 Aluminum hydroxide 45 Propylene glycol 2.5 Glycerin (85%) 25 Carrageenan 0.4 Xanthan gum 0.5 Lauroyl sarcosine sodium 0.1 Sodium lauryl sulfate 1.2 Tranexamic acid 0.05 Triclosan 0.05 Saccharin sodium 0.2 Fragrance 1.5 Purified water Balance 100%

Example 12 Toothpaste Purified lanolin 1.3% Sodium pyrophosphate 4 Sodium tripolyphosphate 1 Copper chlorophyllin 0.1 Calcium carbonate 40 Propylene glycol 3 Glycerin (85%) 20 Sodium alginate 0.4 Xanthan gum 0.6 Sodium lauryl sulfate 1.5 ε-aminocaproic acid 0.05 Saccharin sodium 0.15 Fragrance 1.3 Purified water Balance 100%

Example 13 Liquid Toothpaste Purified Lanolin 0.6% Sodium Pyrophosphate 3 Copper Gluconate 0.2 Silica 15 Propylene Glycol 3 Glycerin (85%) 40 Sodium Polyacrylate 0.2 Xanthan Gum 0.2 Lauryl Sulfate Sodium 1.5 Sodium fluoride 0.21 Saccharin sodium 0.15 Fragrance 1 Purified water Balance 100%

Claims (1)

[Claims] (A) one or more kinds selected from the group consisting of condensed phosphates, hydrogen carbonates and hydrogen sulfates;
(B) A dentifrice composition containing a water-soluble transition metal compound, and (C) one or more waxes selected from lanolin and its derivatives, spermaceti, carnauba wax, candelilla wax and beeswax. A dentifrice composition comprising: