CN102579271A - Toothpaste composition - Google Patents

Abstract

The invention relates to a toothpaste composition. A special abradant is used in the toothpaste composition so as to simultaneously implement grinding and halitosis elimination and eliminate the problem that a user cannot feel the sweet taste. The toothpaste composition comprises 0.1 to 20 parts by mass of volcanic ash serving as the abradant and preferably comprises 1 to 5 parts by mass of cocamidopropyl betaine serving as a foam agent. The volcanic ash simultaneously comprises ingredients with a grinding effect and ingredients with an effect of eliminating the halitosis (deodorizing effect), so that the effects of grinding and eliminating the halitosis can be simultaneously achieved. Moreover, the cocamidopropyl betaine has the effect of the foam agent and cannot influence a taste receptor function of feeding the sweet taste of the tongue, and thus, the foaming power can be sufficiently kept and the user can also feel the sweet taste of fruits when eating fruits and the like after brushing teeth.

Description

Dentrifice composition

Technical field

The present invention relates to an abrasive resistance and excellent performance in addition to bad breath, and after brushing the tongue but also to maintain a feeling of sweetness dentifrice (Dental grinding ki thickener) composition.

Background technology

The known grinding agent that is usually used in the dentifrice has calcium carbonate (CaCO ₃), silicon dioxide (SiO ₂), calcium hydrogen phosphate (CaHPO ₄2H ₂O) etc.Though these raw materials have grinding effect, the effect of antihalitosis is insufficient.Thereby, also special interpolation has the antihalitosis effect except adding grinding agent in the dentifrice of routine green tea, hydrogen peroxide or spice.

In addition, in the dentifrice of routine, use sodium lauryl sulphate (Sodium Lauryl Sulfate) always as blowing agent (or surfactant) (following patent documentation 1 and 2).This raw material is used for improving the performance of brushing teeth through the foaming effect that its surface activity effect brings.

The prior art document

Patent documentation

Patent documentation 1: the spy opens 2010-155816 communique (Instructions Page 2 the 50th row-page 3 the 1st row)

Patent documentation 2: the spy opens flat 11-189518 communique (segment number of description [0011], [0016])

Summary of the invention

The problem that invention will solve

In above-mentioned dentifrice, owing to also must extra adding except grinding agent be used for the additive of antihalitosis, therefore not only Master Cost increase also must be carried out married operation to it.

In addition, because above-mentioned sodium lauryl sulphate is experienced the passivation tongue when being used for dentifrice the taste receptors of sweet taste, thereby when brushing teeth the back edible fruits, will feel very strong tart flavour and bitterness.Like this, can't feel the sweet taste of fruit such as Fructus Musae after brushing teeth, be unfavorable.

In order to address the above problem, use the raw material that replaces sodium lauryl sulphate though discussed, because blowing agent (the mood bubble drug) foaming characteristic of replacement usefulness is weak or make difficulty, what in reality, still adopt is sodium lauryl sulphate.

Therefore, first purpose of the present invention is in dentifrice (or dentifrice), to adopt specific grinding agent, realizes the effect of grinding and antihalitosis simultaneously; Second purpose is to eliminate to cause the reason that can't feel sweet taste.

The method of dealing with problems

Promptly; The present invention relates to a kind of Dentrifice composition, its volcanic ash that contains the 0.1-20 mass parts is as grinding agent, further; (コ カ ミ De プ ロ ピ Le ベ タ イ Application is Cocamidopropylbetain) as blowing agent also to hope to contain the cocamido propyl betaine of 1-5 mass parts.

The effect of invention

According to the present invention,, thereby only contain volcanic ash and can realize simultaneously grinding and antihalitosis because above-mentioned volcanic ash contains composition with abrasive action simultaneously and have the composition of antihalitosis effect (deodorization).Therefore, reduced the Master Cost of dentifrice, its preparation process also is easy to.

In order to realize the effect of above-mentioned grinding and antihalitosis simultaneously, above-mentioned volcanic ash should be the 0.1-20 mass parts with respect to the content of whole Dentrifice composition 100 mass parts.If the content is less than 0.1 parts by mass, can not play the role; if it exceeds 20 parts by mass, the abrasive is too strong, will wear gum (periodontal stem), etc.This content is the 1-15 mass parts preferably, and more preferably 5-15 mass parts is most preferably about 10 mass parts or its.

In addition; Because above-mentioned cocamido propyl betaine is the cationic surfactant that has the blowing agent effect when brushing teeth; And can not damage the taste receptors that tongue is experienced sweet taste, when therefore replacing above-mentioned sodium lauryl sulphate to add, can not only keep competent foaming power; Owing to eliminated and to experience sweet taste, still can feel sweet taste when using fruit etc. in the back of brushing teeth.

In order to bring into play above-mentioned effect, above-mentioned cocamido propyl betaine should be the 1-5 mass parts with respect to the content of whole Dentrifice composition 100 mass parts.If its content is lower than 1 mass parts, can't realize above-mentioned effect; In case it is not surpass 5 mass parts, barbotage will be strong excessively, therefore preferred.Preferred this content is the 1-3 mass parts, most preferably about 2 mass parts or its.

The specific embodiment

In Dentrifice composition of the present invention, above-mentioned volcanic ash preferably is made up of the microgranule white sand below the particle diameter 10 μ m (シ ラ ス) (the more preferably ultra micron white sand below the particle diameter 2 μ m).This is because the microgranule white sand not only has the particle diameter that can bring into play abrasive action with flying colors, also has the excellent SiO of grinding effect ₂Deng composition, and contain mineral compositions such as MgO with deodorising effect.

Above-mentioned microgranule white sand can obtain through following method: utilizing pulverizer that volcanic glass matter deposit is crushed to particle diameter is below the 10 μ m, carries out micronize.And the gyratory sifter of centrifugal force grain size screening capable of using obtains uniform particle diameter.Need to prove that above-mentioned ultra micron white sand can obtain through above-mentioned pulverizing and the particle diameter screening that utilizes sieve to carry out, and conventional white sand spherolite directly is 10 μ m.

This ultra micron white sand is because its surface has negative charge, thereby has and can remove the tooth that has positive charge and the effect of gingival surface attachment.This can produce synergy with the excellent grinding effect that ultra micron has.In addition,, thereby himself in the trickle part that arrives the object surface, can also adsorb and keep above-mentioned blowing agent and following other additive, play a role with flying colors because the ultra micron white sand is a porous matter.

Dentrifice composition of the present invention comprises above-mentioned volcanic ash (further hope have cocamido propyl betaine) and interior necessary composition, also can contain other additives such as known viscosifier, wetting agent, sweeting agent and solvent except containing.For example, can adopt sodium carboxymethyl cellulose viscosifier, sorbitol wetting agents such as (Sorbitol), stevioside (stevioside), glucide sweeting agent, water equal solvent or disperse medium such as (saccharin) such as (Sodium carboxymethylcellulose).

And,,, can add stevioside, glucide therefore in order to feel sweet taste because the dentifrice of making through conventional method has bitterness.That is be in order to make the inherent sweet taste of dentifrice embody the composition that adds owing to stevioside waits, so its effect is different from the sweet taste sensation maintenance effect of the cocamido propyl betaine that adds as blowing agent.

Embodiment

Next, the present invention will be described in more detail through embodiment.

At first, will describe to the volcanic ash that in dentifrice (or dentifrice) compositions of present embodiment, is used as grinding agent.This volcanic ash is to gather from the Japan Kagoshima county the geographic material of Jitian, is called as " Jitian's white sand (ヨ シ ダ シ ラ ス) " in Japan.

This volcanic ash can confirm to comprise following composition (% is expressed as quality %) according to component analysis.

SiO ₂：73.3％

TiO ₂：0.37％

Al ₂O ₃：13.4％

Fe ₂O ₃：2.29％

MgO：0.38％

CaO：1.75％

Na ₂O：3.29％

K ₂O：3.56％

H ₂O:1.66% (evaporation capacity during drying)

Visible from mentioned component, this volcanic ash contains the SiO with grinding effect ₂, TiO ₂, Al ₂O ₃Etc. main component, also contain the MgO with deodorising effect, CaO, the Na of certain content simultaneously ₂Mineral compositions such as O.

Here, about lapping degree, estimate according to following standard during with the lapping degree of known tooth wear degree (lapping degree) test method determination dentifrice: be middle lapping degree, be high lapping degree 100 or more for low lapping degree, 50-100 below 50.

Above-mentioned Jitian's white sand is that volcanic ash is crushed to refining forming behind the particle diameter of 2000 orders (6.4 μ m); Owing to demonstrate the middle lapping degree about 70; Compare with the high lapping degree composition more than 100, the probability of bringing out gingiva abrasion disease is less, and affirmation can be used safely and successfully.In addition, other volcanic ash also has effect and the function equal with Jitian's white sand.

In addition, adopt the conventional ammonia (NH that uses ₃) when deodorize experimental technique: KICM-FIR-1085 (2006) carried out ammonia deodorize experiment to Jitian's white sand, the deodorize rate after 60 minutes was more than 80%.This has proved that it can remove the ammonia as the halitosis reason fully.

Next make dentifrice (or dentifrice) compositions that constitutes by composition shown in the following table 1 (each numeric representation in the table be mass parts) according to conventional method.

That is, in making still, add entry and sorbitol, be heated to 60 ℃, heat the back and add grinding agent, stir, after adding sodium carboxymethyl cellulose and silicon dioxide stir, add blowing agent and stirring at last.

Table 1 (composition of dentifrice)

With known tooth wear degree (lapping degree) test method(s) each dentifrice that is made up of mentioned component is ground test.Following table 2 shows the result.

In this test, the tooth of using the people who pulls up cuts off the wear intensity of the area estimation dentifrice on surface in the external test of carrying out tooth lapping degree (tooth wear degree) according to the BIAO and BEN tooth of the loss of brushing teeth.The tooth lapping degree of dentifrice used herein (tooth wear degree) test method(s) is wearing and tearing dentine surface profile methods (Surface profile Method), also can use wearing and tearing dentine radiometric determination (Radio-tracer method), wearing and tearing dentine gravimetry test method(s)s such as (Weight-loss Technique) in addition.At this moment adopt the Surftestsv-2000 of Mitutoyo company to measure machine as surface profile.

Specifically, in the process of brushing teeth, apply the tension force of 300g on the surface of BIAO and BEN gear piece (enamel that will pull up tooth remove after, experimentize with the ivory), the speed that came and went about 200 times with 1 minute is brushed teeth 3000 times.At this moment the machine that adopts is to keep electric toothbrush to have the tensile spring of 300g (ス プ リ Application グ) device.Subsequently; After the BIAO and BEN gear piece taken off, measure machine (Surface profiler) with surface profile and once more the surface of its wearing and tearing is measured, doing on the recorder chart of overwriting; Loss area with planimeter mensuration BIAO and BEN gear piece calculates the surface area that causes the BIAO and BEN gear piece of loss because of dentifrice.

Table 2 (grinding test)

Example	Lapping degree
		Embodiment 1	70
Embodiment 2	71
		Comparative example 1	80
Comparative example 2	60
		Comparative example 3	40

Can find out that from the result show the middle lapping degree about 70 based on the dentifrice of the embodiment of the invention 1 and 2, the probability of bringing out gingiva abrasion disease is less, affirmation can be carried out safety, use smoothly.

In addition, above-mentioned each dentifrice is measured the ammonia that constitutes the halitosis reason with known halitosis tester (mBA-21 of Plustech corporate system), to carry out the antihalitosis test.This halitosis tester will represent that with numerical value (halitosis degree) 1-100 the high more ammonia concentration of numerical value (ppm) is high more according to the content of ammonia.As a rule, the basic value of ordinary people before brushing teeth is about 30.Select each 30 people of men and women to use dentifrice respectively, measure before using and the numerical value after using.Following table 3 shows the mensuration result.

Table 3 (antihalitosis test)

Example	Average halitosis degree before using	Average halitosis degree after the use
			Embodiment 1	31	4
Embodiment 2	31	5
			Comparative example 1	32	27
Comparative example 2	31	25
			Comparative example 3	30	27

Can find out from The above results, compare with each comparative example that the ability of antihalitosis is more excellent based on the dentifrice of the embodiment of the invention 1 and 2.

In addition, use above-mentioned each dentifrice by 10 people respectively, the back fruit such as edible banana of brushing teeth, whether test can feel the sweet taste of fruit this moment.Following table 4 shows its result.

Table 4 (sweet taste sensory test)

Example	After brushing teeth through 1 minute	After brushing teeth through 30 minutes
			Embodiment 1	Feel sweet taste	Feel sweet taste
Comparative example 1	Do not feel sweet taste	Do not feel sweet taste
			Comparative example 2	Do not feel sweet taste	Do not feel sweet taste
Comparative example 3	Do not feel sweet taste	Do not feel sweet taste

Can find out from this result, when brushing teeth the back edible fruits, can feel the sweet taste of fruit fully, and each comparative example all can't be felt sweet taste based on the dentifrice of the embodiment of the invention 1.

Industrial applicibility

The invention provides the Dentrifice composition that a kind ofly has excellent abrasiveness and antihalitosis property, can also keep the sweet taste sensation after brushing teeth.

Claims (6)

1. a Dentrifice composition wherein, with respect to Dentrifice composition 100 mass parts, contains volcanic ash 0.1-20 mass parts.

2. the described Dentrifice composition of claim 1 wherein, with respect to Dentrifice composition 100 mass parts, also contains cocamido propyl betaine 1-5 mass parts.

3. the described Dentrifice composition of claim 1, wherein, above-mentioned volcanic ash plays and grinds and the effect of antihalitosis.

4. the described Dentrifice composition of claim 2 wherein, can not influence the sweet feel of tongue as the above-mentioned cocamido propyl betaine of blowing agent.

5. each described Dentrifice composition in the claim 1 to 4, wherein, above-mentioned volcanic ash comprises the microgranule white sand below the particle diameter 10 μ m.

6. each described Dentrifice composition in the claim 1 to 5, it also contains:

Viscosifier,

Wetting agent,

Sweeting agent and

Solvent or disperse medium.