JP7078043B2 - Toothpaste composition - Google Patents

Toothpaste composition Download PDF

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JP7078043B2
JP7078043B2 JP2019521282A JP2019521282A JP7078043B2 JP 7078043 B2 JP7078043 B2 JP 7078043B2 JP 2019521282 A JP2019521282 A JP 2019521282A JP 2019521282 A JP2019521282 A JP 2019521282A JP 7078043 B2 JP7078043 B2 JP 7078043B2
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mass
dentifrice composition
component
sodium
oral
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JPWO2018221620A1 (en
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裕之 清水
祐貴 猪谷
奈保 栗原
徹也 川口
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Lion Corp
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Lion Corp
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/18Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/40Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
    • A61K8/42Amides
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/18Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/73Polysaccharides
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/18Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/81Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61QSPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q11/00Preparations for care of the teeth, of the oral cavity or of dentures; Dentifrices, e.g. toothpastes; Mouth rinses

Description

本発明は、持続的かつ高い口腔内清浄感を与え、また、使用性も良い歯磨剤組成物に関する。 The present invention relates to a dentifrice composition that provides a long-lasting and high oral cleansing sensation and is also easy to use.

歯磨剤組成物を使用して歯を磨く行為は、虫歯、歯周病等の口腔内疾患や口臭の予防目的の他に、口腔内のすっきりとした清浄感を期待して行われることも多い。
歯磨剤組成物には、歯磨き時に冷涼感が得られるよう、メントールやミント油といった香料等の清涼剤やメンチルラクテート等の冷感剤が配合されることがある。近年では、強い冷感を発揮する冷感剤の開発も活発であり、N-置換-p-メンタン-カルボキサミド等が広く知られている。前記の清涼剤や冷感剤は、歯磨き中やすすぎ直後の冷涼感付与に効果があることが認められている。
The act of brushing teeth using a dentifrice composition is often performed with the expectation of a clean and clean feeling in the oral cavity, in addition to the purpose of preventing oral diseases such as tooth decay and periodontal disease and bad breath. ..
The dentifrice composition may contain a cooling agent such as a fragrance such as menthol or mint oil or a cooling sensation agent such as mentyllactate so as to obtain a cooling sensation when brushing teeth. In recent years, the development of a cooling sensation agent that exerts a strong cooling sensation has been active, and N-substituted-p-menthane-carboxamide and the like are widely known. It is recognized that the above-mentioned cooling agent and cooling sensation agent are effective in imparting a cooling sensation during tooth brushing and immediately after rinsing.

特許文献1~6(特開2014-125440号公報、特開2015-182983号公報、特開2016-102076号公報、特表2014-507440号公報、特表2012-508741号公報、特表2011-520925号公報)には、冷涼化又は清涼化剤のN-置換-p-メンタン-カルボキサミドによって清涼感やサッパリ感が改善した口腔用組成物が提案されている。 Patent Documents 1 to 6 (Japanese Patent Laid-Open Nos. 2014-125440, 2015-182983, 2016-102076, Japanese Patent Application Laid-Open No. 2014-507440, Japanese Patent Application Laid-Open No. 2012-508741, Japanese Patent Laid-Open No. 2012-508741 No. 520925) proposes an oral composition in which a refreshing sensation and a refreshing sensation are improved by N-substituted-p-menthan-carboxamide of a cooling or refreshing agent.

特開2014-125440号公報Japanese Unexamined Patent Publication No. 2014-125440 特開2015-182983号公報Japanese Unexamined Patent Publication No. 2015-182983 特開2016-102076号公報Japanese Unexamined Patent Publication No. 2016-102076 特表2014-507440号公報Special Table 2014-507440 Gazette 特表2012-508741号公報Special Table 2012-508741 特表2011-520925号公報Special Table 2011-520925 特開2012-97057号公報Japanese Unexamined Patent Publication No. 2012-97057 特開2009-149540号公報Japanese Unexamined Patent Publication No. 2009-149540

しかし、口腔内のすっきりとした清浄感を満足させるためには、まだ改善の余地があり、特に持続感においては課題があり十分とは言えなかった。清涼剤や冷感剤の配合量を多くすると、ある程度の冷涼感の向上は可能であるが、口腔内の刺激感や、味等による違和感が強くなり、良好な清浄感とはならないこともあった。 However, there is still room for improvement in order to satisfy the clean and clean feeling in the oral cavity, and there is a problem especially in the feeling of sustainability, so it cannot be said that it is sufficient. Although it is possible to improve the cooling sensation to some extent by increasing the amount of the cooling agent or cooling sensation agent, the feeling of irritation in the oral cavity and the feeling of discomfort due to taste, etc. may become stronger, resulting in a poor feeling of cleanliness. rice field.

本発明は、上記事情に鑑みなされたもので、持続的かつ高い口腔内清浄感を与え、また、使用性も良い歯磨剤組成物を提供することを目的とする。 The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a dentifrice composition that gives a long-lasting and high oral cleansing feeling and has good usability.

本発明者らは、上記目的を達成するため鋭意検討を行った結果、特定のN-置換-p-メンタン-カルボキサミドを特定量配合した歯磨剤組成物に、キサンタンガムの特定量とポリアクリル酸ナトリウム及びアルギン酸ナトリウムから選ばれる1種以上とを特定割合で併用して配合すると、口腔内清浄感の付与効果が高まりその持続感が向上すること、また、使用性を維持することもできることを知見した。即ち、本発明では、(A)N-(4-シアノメチルフェニル)-2-イソプロピル-5-メチルシクロヘキサンカルボキサミドを0.00001~0.01質量%、(B)キサンタンガムを1.4~2.5質量%、及び(C)ポリアクリル酸ナトリウム及びアルギン酸ナトリウムから選ばれる1種以上を含有し、(B)/(C)が質量比として6~20である歯磨剤組成物によって、持続的かつ高い口腔内清浄感を与え、また、歯ブラシに載せやすく違和感もない良好な使用性を保持し得ることを見出し、本発明をなすに至った。 As a result of diligent studies to achieve the above object, the present inventors have added a specific amount of xanthan gum and sodium polyacrylate to a dentifrice composition containing a specific amount of specific N-substituted-p-menthan-carboxamide. It was also found that when one or more kinds selected from sodium alginate and one or more are mixed in combination at a specific ratio, the effect of imparting a feeling of cleanliness in the oral cavity is enhanced, the feeling of sustainability is improved, and the usability can be maintained. .. That is, in the present invention, (A) N- (4-cyanomethylphenyl) -2-isopropyl-5-methylcyclohexanecarboxamide is 0.00001 to 0.01% by mass, and (B) xanthan gum is 1.4 to 2. Sustainable and with a dentifrice composition containing 5% by weight and one or more selected from (C) sodium polyacrylate and sodium alginate and (B) / (C) in mass ratio of 6-20. We have found that it can give a high oral cleanliness and can maintain good usability that is easy to put on a toothbrush and does not cause discomfort, and has led to the present invention.

N-置換-p-メンタン-カルボキサミドによる口腔内への清浄感付与効果は十分ではないが、本発明では、(A)成分に(B)及び(C)成分を組み合わせると、(B)/(C)の質量比が特定範囲内において、歯磨剤として良好な使用性を保持して優れた口腔内清浄感付与効果を奏する。本発明の作用効果は、(A)成分に(B)及び(C)成分の併用系を組み合わせることによってのみ得られる格別な作用効果であり、(A)、(B)又は(C)成分を欠く場合、あるいは(A)、(B)及び(C)成分を含んでいても、(A)及び(B)成分の含有量が不適切であったり、(B)/(C)の質量比が不適切である場合は作用効果が劣る。
後述の比較例にも示すように、(A)成分と共に(C)成分を含み、(B)成分を欠くと、(B)成分や(C)成分と同様に有機粘結剤成分として知られているカルボキシメチルセルロースナトリウムを含んでいても、口腔内清浄感が劣った(比較例1、5)。更に、(A)成分に代えて、冷涼剤であっても不適切なN-置換-p-メンタンカルボキサミドやメンチルラクテートを使用すると、(B)及び(C)成分を含んでいても口腔内清浄感が持続しなかった(比較例8、9)。また、(A)及び(B)成分を含み、(C)成分を欠くと、無機粘結剤の増粘性シリカを含んでいても歯ブラシに載せ難く、使用性を保って口腔内清浄感を改善できなかった(比較例10)。
更に詳述すると、本発明は、歯磨き後の口腔内の優れた清浄感、特に清浄感の持続には、適切な清浄感付与成分の選択のみならず、歯磨剤組成も深く関係するとの観点から検討を行った。その結果、清浄感付与剤として(A)成分を特定量で使用し、これに、歯磨剤成分として、粘結剤である(B)成分を特定量以上使用するとともに(C)成分を特定割合で併用した粘結剤系を組み合わせることで、上記した特異的かつ格別な作用効果を得ることができた。この場合、(A)成分に(B)成分を特定量配合することによる泡質が関与して(A)成分の持つ冷涼感が増強し、これによって持続的かつ優れた口腔内清浄感を与え、更に(C)成分を配合することによって、(A)及び(B)成分の併用系で歯ブラシにも載せやすい良好な使用性を保つこともできたと推測される。
The effect of N-substituted-p-menthan-carboxamide on the oral cavity is not sufficient, but in the present invention, when the component (A) is combined with the components (B) and (C), (B) / ( When the mass ratio of C) is within a specific range, it maintains good usability as a dentifrice and exhibits an excellent oral cleansing effect. The action and effect of the present invention is a special action and effect obtained only by combining the component (A) with the combined system of the components (B) and (C), and the component (A), (B) or (C) can be used. If it is lacking, or even if it contains the components (A), (B) and (C), the content of the components (A) and (B) is inappropriate, or the mass ratio of (B) / (C). If is inappropriate, the effect is inferior.
As shown in the comparative example described later, when the component (C) is contained together with the component (A) and the component (B) is lacking, it is known as an organic binder component like the component (B) and the component (C). Even if the sodium carboxymethyl cellulose was contained, the oral cleanliness was inferior (Comparative Examples 1 and 5). Furthermore, if N-substituted-p-menthanecarboxamide or mentyllactate, which is inappropriate even if it is a cooling agent, is used instead of the component (A), the oral cavity is cleaned even if the components (B) and (C) are contained. The feeling did not last (Comparative Examples 8 and 9). In addition, if the components (A) and (B) are contained and the component (C) is absent, it is difficult to put it on the toothbrush even if it contains the thickening silica of the inorganic binder, and the usability is maintained and the oral cleanliness is improved. It could not be done (Comparative Example 10).
More specifically, the present invention is based on the viewpoint that not only the selection of an appropriate cleansing component but also the composition of the dentifrice is deeply related to the excellent cleanliness in the oral cavity after brushing, especially the maintenance of the cleanliness. Study was carried out. As a result, the component (A) is used in a specific amount as a cleansing agent, and the component (B), which is a binder, is used in a specific amount or more as a dentifrice component, and the component (C) is used in a specific ratio. By combining the binder system used in combination with the above-mentioned specific action and effect, the above-mentioned specific action and effect could be obtained. In this case, the foam quality due to the addition of the component (B) in a specific amount to the component (A) is involved, and the cool feeling of the component (A) is enhanced, thereby giving a continuous and excellent oral cleansing feeling. Furthermore, it is presumed that by further blending the component (C), it was possible to maintain good usability that is easy to put on a toothbrush by the combined system of the components (A) and (B).

なお、特許文献7、8(特開2012-97057号公報、特開2009-149540号公報)は、キサンタンガムの使用による歯磨組成物の使用中の泡性能や口腔内分散性の改善であり、すすぎ後の口腔内清浄感について言及もない。特許文献1~6、更には特許文献7、8から、本発明の(A)成分に(B)及び(C)成分を特定量及び割合で組み合わせることによる持続的かつ優れた口腔内清浄感の付与は予測できない。 Patent Documents 7 and 8 (Japanese Patent Laid-Open Nos. 2012-97057 and 2009-149540) improve foaming performance and oral dispersibility during use of the dentifrice composition by using xanthan gum, and rinse them. There is no mention of the later feeling of cleanliness in the oral cavity. From Patent Documents 1 to 6 and further from Patent Documents 7 and 8, a continuous and excellent oral cleansing feeling is achieved by combining the components (B) and (C) with the component (A) of the present invention in a specific amount and ratio. Grants are unpredictable.

従って、本発明は、下記の歯磨剤組成物を提供する。
〔1〕
(A)N-(4-シアノメチルフェニル)-2-イソプロピル-5-メチルシクロヘキサンカルボキサミド 0.00001~0.01質量%、
(B)キサンタンガム 1.4~2.5質量%
及び
(C)ポリアクリル酸ナトリウム及びアルギン酸ナトリウムから選ばれる1種以上
を含有し、(B)/(C)が質量比として6~20である歯磨剤組成物。
〔2〕
(C)成分を0.1~0.3質量%含有する〔1〕に記載の歯磨剤組成物。
〔3〕
更に、(D)増粘性シリカを0.1~10質量%含有する〔1〕又は〔2〕に記載の歯磨剤組成物。
〔4〕
更に、(E)界面活性剤を0.1~5質量%含有する〔1〕~〔3〕のいずれかに記載の歯磨剤組成物。
〔5〕
(E)界面活性剤が、スルホン酸基を含有するアニオン性界面活性剤である〔4〕に記載の歯磨剤組成物。
〔6〕
(B)及び(C)成分以外の有機粘結剤の含有量が0~0.5質量%である〔1〕~〔5〕のいずれかに記載の歯磨剤組成物。
Therefore, the present invention provides the following dentifrice composition.
[1]
(A) N- (4-cyanomethylphenyl) -2-isopropyl-5-methylcyclohexanecarboxamide 0.00001 to 0.01% by mass,
(B) Xanthan gum 1.4-2.5% by mass
And (C) a dentifrice composition containing one or more selected from sodium polyacrylate and sodium alginate, and (B) / (C) having a mass ratio of 6 to 20.
[2]
(C) The dentifrice composition according to [1], which contains 0.1 to 0.3% by mass of the component.
[3]
The dentifrice composition according to [1] or [2], which further contains (D) 0.1 to 10% by mass of thickening silica.
[4]
The dentifrice composition according to any one of [1] to [3], which further contains (E) a surfactant in an amount of 0.1 to 5% by mass.
[5]
(E) The dentifrice composition according to [4], wherein the surfactant is an anionic surfactant containing a sulfonic acid group.
[6]
The dentifrice composition according to any one of [1] to [5], wherein the content of the organic binder other than the components (B) and (C) is 0 to 0.5% by mass.

本発明によれば、持続的かつ高い口腔内清浄感を与え、また、使用性も良い歯磨剤組成物を提供できる。 According to the present invention, it is possible to provide a dentifrice composition that gives a long-lasting and high oral cleansing feeling and has good usability.

以下、本発明につき更に詳述する。本発明の歯磨剤組成物は、(A)N-(4-シアノメチルフェニル)-2-イソプロピル-5-メチルシクロヘキサンカルボキサミド、(B)キサンタンガム、及び(C)ポリアクリル酸ナトリウム及びアルギン酸ナトリウムから選ばれる1種以上を含有し、(B)/(C)の質量比が特定割合であることを特徴とする。 Hereinafter, the present invention will be described in more detail. The dentifrice composition of the present invention is selected from (A) N- (4-cyanomethylphenyl) -2-isopropyl-5-methylcyclohexanecarboxamide, (B) xanthan gum, and (C) sodium polyacrylate and sodium alginate. It is characterized in that it contains one or more of these, and the mass ratio of (B) / (C) is a specific ratio.

(A)N-(4-シアノメチルフェニル)-2-イソプロピル-5-メチルシクロヘキサンカルボキサミドは、口腔内清浄感の付与作用を奏する。
(A)成分の配合量は、組成物全体の0.00001~0.01%(質量%、以下同様)であり、好ましくは0.0001~0.005%である。配合量が0.00001%に満たないと口腔内清浄感が劣る。0.01%を超えると、口腔内の違和感や刺激感が強くなることがある。
(A) N- (4-cyanomethylphenyl) -2-isopropyl-5-methylcyclohexanecarboxamide exerts an effect of imparting a feeling of cleanliness in the oral cavity.
The blending amount of the component (A) is 0.00001 to 0.01% (mass%, the same applies hereinafter) of the entire composition, preferably 0.0001 to 0.005%. If the blending amount is less than 0.00001%, the oral cleanliness is inferior. If it exceeds 0.01%, the feeling of discomfort or irritation in the oral cavity may become stronger.

(B)キサンタンガムの配合量は、組成物全体の1.4~2.5%であり、好ましくは1.6~2.0%である。配合量が1.4%に満たないと、口腔内清浄感が劣る。2.5%を超えると、口腔内清浄感が低下する。 The blending amount of (B) xanthan gum is 1.4 to 2.5%, preferably 1.6 to 2.0% of the total composition. If the blending amount is less than 1.4%, the oral cleanliness is inferior. If it exceeds 2.5%, the feeling of cleanliness in the oral cavity is lowered.

(C)成分は、ポリアクリル酸ナトリウム、アルギン酸ナトリウムであり、いずれかを単独で用いても、効果発現の点で両者を併用してもよい。
(C)成分の配合量は、後述の(B)/(C)が適切となるよう設定されるが、組成物全体の0.1~0.3%が好ましい。0.1%以上であると、歯ブラシへの載せやすさが十分に良く、0.3%以下であると、曳糸性を十分良好に維持できる。
The component (C) is sodium polyacrylate or sodium alginate, and either of them may be used alone or both may be used in combination in terms of exhibiting the effect.
The blending amount of the component (C) is set so that (B) / (C) described later is appropriate, but is preferably 0.1 to 0.3% of the total composition. When it is 0.1% or more, the ease of mounting on the toothbrush is sufficiently good, and when it is 0.3% or less, the spinnability can be sufficiently maintained.

本発明では、(B)及び(C)成分の量比が特定範囲内であると、歯ブラシへの載せやすさを良好に保って持続的かつ優れた口腔内清浄感を付与できる。
この場合、(B)成分と(C)成分との配合割合を示す(B)/(C)は、質量比として6~20であり、好ましくは6~15、より好ましくは6~10である。(B)/(C)の質量比が6に満たないと、歯ブラシへの載せやすさが劣り、また、口腔内清浄感が低下することがあり、20を超えると、歯ブラシへの載せやすさが劣る。
In the present invention, when the amount ratio of the components (B) and (C) is within a specific range, it is possible to maintain good ease of mounting on the toothbrush and impart a continuous and excellent oral cleansing feeling.
In this case, (B) / (C) indicating the blending ratio of the component (B) and the component (C) is 6 to 20 as a mass ratio, preferably 6 to 15, and more preferably 6 to 10. .. If the mass ratio of (B) / (C) is less than 6, the ease of mounting on the toothbrush may be inferior, and the feeling of cleanliness in the oral cavity may be reduced. Is inferior.

本発明では、更に、無機粘結剤として(D)増粘性シリカを配合することが好ましい。(D)増粘性シリカを配合すると、(B)キサンタンガムの増量に起因する曳糸性の悪化がより抑えられ、歯ブラシへの載せやすさがより向上する。 In the present invention, it is preferable to further add (D) thickening silica as an inorganic binder. When (D) thickening silica is blended, deterioration of spinnability due to (B) increase in the amount of xanthan gum is further suppressed, and ease of mounting on a toothbrush is further improved.

(D)増粘性シリカを配合する場合、その配合量は組成物全体の0.1~10%が好ましく、より好ましくは0.5~8%、更に好ましくは1~8%である。多く配合し過ぎると、歯ブラシへの載せやすさが劣る場合がある。 (D) When the thickening silica is blended, the blending amount thereof is preferably 0.1 to 10%, more preferably 0.5 to 8%, still more preferably 1 to 8% of the whole composition. If too much is added, it may not be easy to put on the toothbrush.

本発明では、更に、(B)及び(C)成分(キサンタンガム、ポリアクリル酸ナトリウム及びアルギン酸ナトリウム)以外の有機粘結剤は配合しなくてもよいが、本発明の効果を妨げない範囲であれば配合することもできる。
具体的には、(B)及び(C)成分以外の有機粘結剤として、カルボキシメチルセルロースナトリウム、ポリビニルピロリドン、カラギーナン、メチルセルロース、ヒドロキシエチルセルロースナトリウム、トラガントガム、カラヤガム、アラビヤガム、ローカストビーンガム、ポリビニルアルコール、カルボキシビニルポリマー、カーボポール、アルギン酸プロピレングリコール等が挙げられる。これら有機粘結剤を配合する場合、その配合量は、0.5%以下であることが好ましい。配合せず0%であってもよい。
In the present invention, it is not necessary to further add an organic binder other than the components (B) and (C) (xanthan gum, sodium polyacrylate and sodium alginate), but as long as the effect of the present invention is not impaired. It can also be blended.
Specifically, as organic binders other than the components (B) and (C), sodium carboxymethyl cellulose, polyvinylpyrrolidone, carrageenan, methyl cellulose, sodium hydroxyethyl cellulose, tragant gum, karaya gum, arabiya gum, locust bean gum, polyvinyl alcohol, and carboxy Examples include vinyl polymer, carbopol, propylene glycol alginate and the like. When these organic binders are blended, the blending amount thereof is preferably 0.5% or less. It may be 0% without blending.

本発明では、更に、(E)界面活性剤を配合することが好ましく、(E)界面活性剤を配合すると、発泡性が適度に高まることによって口腔内清浄感がより向上する。 In the present invention, it is preferable to further add (E) a surfactant, and when (E) a surfactant is added, the foamability is appropriately increased and the oral cleanliness is further improved.

(E)界面活性剤としては、特にアニオン性界面活性剤が好ましい。
アニオン性界面活性剤としては、アルキル硫酸塩、α-オレフィンスルホン酸塩、水素添加ココナッツ脂肪酸モノグリセリドモノ硫酸塩、ラウリルスルホ酢酸塩、N-メチル-N-アシルタウリン塩等のN-アシルタウリン塩、アシルサルコシン塩、N-アシル-L-グルタミン酸塩等のアシルアミノ酸塩が挙げられる。これらは1種又は2種以上で使用できる。中でも、泡立ち、泡質の良さの点で、スルホン酸基を含有するアニオン性界面活性剤が好ましく、より好ましくはアルキル硫酸塩、α-オレフィンスルホン酸塩である。前記塩としては、ナトリウム塩、カリウム塩、アンモニウム塩等が挙げられ、特にナトリウム塩が好ましい。
As the (E) surfactant, an anionic surfactant is particularly preferable.
Examples of the anionic surfactant include alkyl sulfates, α-olefin sulfonates, hydrogenated coconut fatty acid monoglyceride monosulfates, lauryl sulfoacetates, N-acyl taurine salts such as N-methyl-N-acyl taurine salts, and the like. Examples thereof include acyl amino acid salts such as acyl sulfosin salt and N-acyl-L-glutamate. These can be used in one kind or two or more kinds. Among them, an anionic surfactant containing a sulfonic acid group is preferable, and an alkyl sulfate and an α-olefin sulfonate are more preferable in terms of foaming and good foam quality. Examples of the salt include sodium salt, potassium salt, ammonium salt and the like, and sodium salt is particularly preferable.

アルキル硫酸塩は、アルキル基の炭素数が好ましくは12~14であり、具体的には、アルキル硫酸塩としてラウリル硫酸ナトリウム、ミリストイル硫酸ナトリウムが挙げられる。
α-オレフィンスルホン酸塩としては、炭素数が14~16のα-オレフィンスルホン酸のナトリウム、カリウム等のアルカリ金属塩を用いることができ、中でも炭素数14のα-オレフィンスルホン酸塩、特にナトリウム塩(一般名;テトラデセンスルホン酸ナトリウム)が好ましい。これらは口腔用製剤に使用可能な市販品を入手することができ、例えばライオン・スペシャリティ・ケミカルズ(株)製の商品名「KリポランPJ-400CJ」を使用し得る。
The alkyl sulfate preferably has 12 to 14 carbon atoms in the alkyl group, and specific examples thereof include sodium lauryl sulfate and sodium myristyl sulfate.
As the α-olefin sulfonate, alkali metal salts such as sodium and potassium of α-olefin sulfonic acid having 14 to 16 carbon atoms can be used, and among them, the α-olefin sulfonate having 14 carbon atoms, particularly sodium. A salt (generic name; sodium tetradecenesulfonate) is preferred. Commercially available products that can be used for oral preparations can be obtained for these, and for example, the trade name "K Liporan PJ-400CJ" manufactured by Lion Specialty Chemicals Co., Ltd. can be used.

(E)界面活性剤、特にアニオン性界面活性剤の配合量は、組成物全体の0.1~5%が好ましく、より好ましくは0.5~2.5%、更に好ましくは1.0~2.0%である。
なお、(E)界面活性剤として、ノニオン性界面活性剤、両性活性剤等を組成物全体の5%以下の範囲で配合してもよい。アニオン性界面活性剤とアニオン性界面活性剤以外の界面活性剤を併用して配合する場合は、本発明の効果を妨げない範囲で用いることが好ましく、アニオン性界面活性剤以外の上記界面活性剤の配合量は組成物全体の4.5%以下、特に3%以下が好ましく、また、配合せず0%であってもよい。
(E) The blending amount of the surfactant, particularly the anionic surfactant, is preferably 0.1 to 5%, more preferably 0.5 to 2.5%, still more preferably 1.0 to 1.0% of the whole composition. It is 2.0%.
As the (E) surfactant, a nonionic surfactant, an amphoteric tenside, or the like may be blended in a range of 5% or less of the entire composition. When an anionic surfactant and a surfactant other than the anionic surfactant are used in combination, it is preferable to use the surfactant within a range that does not interfere with the effect of the present invention, and the above-mentioned surfactant other than the anionic surfactant is preferable. The blending amount of is preferably 4.5% or less, particularly preferably 3% or less of the entire composition, and may be 0% without blending.

本発明の歯磨剤組成物は、ペースト状、液体等の液状などの形態にして、練歯磨、液体歯磨、液状歯磨、潤製歯磨等の様々な剤型にすることが可能であるが、好ましくは練歯磨であり、また、通常の方法で調製できる。更に、上記成分に加えて、通常、歯磨剤組成物に使用されている公知成分を、本発明の効果を損なわない範囲で必要に応じて配合できる。配合できる任意成分としては、研磨剤、湿潤剤、甘味剤、防腐剤、pH調整剤、香料、薬効成分等が挙げられる。 The dentifrice composition of the present invention can be in the form of a paste, liquid such as liquid, and various dosage forms such as dentifrice, liquid dentifrice, liquid dentifrice, and dentifrice, but it is preferable. Is a toothpaste and can be prepared in the usual way. Further, in addition to the above-mentioned components, known components usually used in a dentifrice composition can be added as needed within a range that does not impair the effects of the present invention. Examples of the optional ingredients that can be blended include abrasives, wetting agents, sweeteners, preservatives, pH adjusters, fragrances, medicinal ingredients and the like.

研磨剤としては、第2リン酸カルシウム・2水和塩又は無水和物、第1リン酸カルシウム、第3リン酸カルシウム、ピロリン酸カルシウム等のリン酸カルシウム系研磨剤;沈降性シリカ、アルミノシリケート、ジルコノシリケート、チタン結合性シリカ等のシリカ系研磨剤;炭酸カルシウム等の炭酸カルシウム系研磨剤;水酸化カルシウム、水酸化アルミニウム、第3リン酸マグネシウム、炭酸マグネシウム、硫酸カルシウム、ベントナイト、ハイドロキシアパタイトが挙げられ、これらの1種又は2種以上を配合できる。これらの中では、特に沈降性シリカ、アルミノシリケート、ジルコノシリケート、チタン結合性シリカ等のケイ酸塩を主成分とするシリカ系研磨剤や炭酸カルシウム系研磨剤、とりわけ沈降性シリカ等のシリカ系研磨剤が好ましい。 Examples of the polishing agent include calcium phosphate-based polishing agents such as dicalcium phosphate dihydrate or anhydrous, first calcium phosphate, tertiary calcium phosphate, calcium pyrophosphate, etc .; sedimentation silica, aluminosilicate, zirconosilicate, titanium-binding silica. Calcium-based abrasives such as; calcium carbonate-based abrasives such as calcium carbonate; calcium hydroxide, aluminum hydroxide, tertiary magnesium phosphate, magnesium carbonate, calcium sulfate, bentonite, hydroxyapatite, etc. Two or more types can be mixed. Among these, silica-based polishing agents and calcium carbonate-based polishing agents containing silicates as main components such as precipitated silica, aluminosilicate, zirconosilicate, and titanium-binding silica, and silica-based such as precipitated silica in particular. Abrasives are preferred.

研磨剤、特に沈降性シリカは、粒径が1~40μmである研磨粒子が好ましく、また更に、BET比表面積は1gあたり80~250平方メートルであることが好ましい。前記粒径は、粒度分布測定装置(日機装(株)製、マイクロトラック粒度分布計、分散媒;水)による測定値である。
このようなシリカ系研磨剤としては、市販品を使用でき、例えば、HUBER社製のZeodent124、Zeodent113、Rhodia社製のTIXOSIL 73、TIXOSIL 63、Degussa社製のSident 3、Sident 20、多木化学(株)製のジルコノシリケート、アルミノシリケート等が挙げられる。
Abrasives, particularly sedimentary silica, are preferably abrasive particles having a particle size of 1 to 40 μm, and further preferably have a BET specific surface area of 80 to 250 square meters per gram. The particle size is a measured value by a particle size distribution measuring device (Microtrak particle size distribution meter manufactured by Nikkiso Co., Ltd., dispersion medium; water).
Commercially available products can be used as such silica-based abrasives, and for example, HUBER's ZEODENT 124, ZEODENT 113, Rhodia's TIXOSIL 73, TIXOSIL 63, Degussa's Side 3, Siden 20, and Taki Chemical Co., Ltd. Examples include zirconosilicate and aluminosilicate manufactured by Co., Ltd.

また、研磨剤は顆粒状であってもよく、研磨性を有する成分として、顆粒を配合できる。顆粒としては、水不溶性粉体を顆粒状に形成させた粒子であり、シリカゲルを破砕した顆粒や粒状化に結合剤を用いた造粒物でもよい。
研磨剤の配合量は、組成物全体の8~70%、特に10~50%が好ましい。
Further, the abrasive may be in the form of granules, and granules can be blended as a component having abrasiveness. The granules are particles obtained by forming water-insoluble powder into granules, and may be granules obtained by crushing silica gel or granules using a binder for granulation.
The blending amount of the abrasive is preferably 8 to 70%, particularly preferably 10 to 50% of the entire composition.

湿潤剤としては、ソルビット、キシリット等の糖アルコール、プロピレングリコール、グリセリン等の多価アルコールが挙げられる。配合量は通常、組成物全体の5~50%、特に20~45%である。 Examples of the wetting agent include sugar alcohols such as sorbitol and xylit, and polyhydric alcohols such as propylene glycol and glycerin. The blending amount is usually 5 to 50%, particularly 20 to 45% of the total composition.

甘味剤としては、サッカリンナトリウム、ステビオサイド、ステビアエキス、パラメトキシシンナミックアルデヒド、ネオヘスペリジルジヒドロカルコン、ペリラルチン、グリチルリチン、ソーマチン、アスパラチルフェニルアラニンメチルエステル等が挙げられる。
防腐剤としては、パラオキシ安息香酸エステル、安息香酸ナトリウム等が挙げられる。
pH調整剤としては、クエン酸、乳酸等の有機酸やその塩類;塩酸、水酸化ナトリウム、水酸化カリウム、リン酸水素二ナトリウム、リン酸二水素ナトリウム等の無機化合物が挙げられる。
Examples of the sweetener include saccharin sodium, stebioside, stevia extract, paramethoxycinnamic aldehyde, neohesperidyldihydrochalcone, perillartine, glycyrrhizin, thaumatin, aspalathylphenylalanine methyl ester and the like.
Examples of the preservative include paraoxybenzoic acid ester, sodium benzoate and the like.
Examples of the pH adjuster include organic acids such as citric acid and lactic acid and salts thereof; inorganic compounds such as hydrochloric acid, sodium hydroxide, potassium hydroxide, disodium hydrogen phosphate and sodium dihydrogen phosphate.

香料としては、公知の口腔用香料、例えばメントール、アネトール、カルボン、オイゲノール、リモネン、n-デシルアルコール、シトロネロール、α-テルピネオール、シトロネリルアセテート、シネオール、リナロール、エチルリナロール、ワニリン、チモール、スペアミント油、ペパーミント油、レモン油、オレンジ油、セージ油、ローズマリー油、桂皮油、ピメント油、桂葉油、シソ油、冬緑油、丁字油、ユーカリ油等が挙げられる。 Examples of the fragrance include known oral fragrances such as menthol, anetol, carboxylic, eugenol, limonene, n-decyl alcohol, citronellol, α-terpineol, citronellyl acetate, cineole, linalol, ethyl linalol, wanillin, timole and sparemint oil. Peppermint oil, lemon oil, orange oil, sage oil, rosemary oil, katsura oil, pimento oil, katsura leaf oil, perilla oil, winter green oil, choji oil, eucalyptus oil and the like can be mentioned.

薬効成分としては、デキストラナーゼ、アミラーゼ、プロテアーゼ、ムタナーゼ等の酵素;トラネキサム酸、イプシロンアミノカプロン酸、アズレン、グリチルリチン酸塩、グリチルレチン酸塩等の抗炎症剤;塩化ナトリウム、ビタミン類、アラントイン類等の細胞賦活剤;イソプロピルメチルフェノール、塩化セチルピリジニウム、塩化ベンザルコニウム、ヒノキチオール、塩化リゾチーム等の殺菌剤;銅クロロフィル、グルコン酸銅等の水溶性銅化合物;ゼオライト等の歯石予防剤;ビタミンE等の血行促進剤;アラニン、グリシン、プロリン等のアミノ酸類を配合できる。なお、薬効成分の配合量は、本発明の効果を妨げない範囲で有効量とすることができる。 As medicinal ingredients, enzymes such as dextranase, amylase, protease, mutanase; anti-inflammatory agents such as tranexamic acid, epsilon aminocaproic acid, azulene, glycyrrhizinate, glycyrrhetinate; sodium chloride, vitamins, allantin, etc. Cell activator; bactericidal agent such as isopropylmethylphenol, cetylpyridinium chloride, benzalkonium chloride, hinokithiol, lysoteam chloride; water-soluble copper compound such as copper chlorophyll, copper gluconate; tooth stone preventive agent such as zeolite; vitamin E, etc. Blood circulation promoter; Amino acids such as alanine, glycine, and proline can be blended. The blending amount of the medicinal ingredient can be an effective amount within a range that does not interfere with the effect of the present invention.

更に、任意成分として、雲母チタン、酸化チタン、ベントナイト等の無機化合物;結晶性セルロース等のセルロース系の有機粉末;寒天、ゼラチン、デンプン、グルコマンナン等の天然高分子化合物;ポリ酢酸ビニル、アクリル樹脂、ポリウレタン、ポリエステル、ポリ塩化ビニル、ナイロン末、ポリエチレン末等の合成高分子化合物又はそれらの共重合体;カルナバワックス、ロジン、ライスワックス、マイクロクリスタリンワックス、ミツロウ、パラフィンワックス等のワックス類;セタノール、ステアリルアルコール等の高級アルコール;ポリイソブチレン、ポリブタジエン、シリコーン、天然ゴムなどを、本発明の効果を妨げない範囲で配合することができる。 Further, as optional components, inorganic compounds such as mica titanium, titanium oxide and bentonite; cellulosic organic powders such as crystalline cellulose; natural polymer compounds such as agar, gelatin, starch and glucomannan; vinyl acetate and acrylic resin. , Polyurethane, polyester, polyvinyl chloride, nylon powder, polyethylene powder and other synthetic polymer compounds or their copolymers; carnauba wax, rosin, rice wax, microcrystallin wax, honey wax, paraffin wax and other waxes; cetanol, Higher alcohols such as stearyl alcohol; polyisobutylene, polybutadiene, silicone, natural rubber and the like can be blended within a range that does not interfere with the effects of the present invention.

以下、実施例及び比較例を示し、本発明を具体的に説明するが、本発明は下記の実施例に制限されるものではない。なお、下記の例において%は特に断らない限りいずれも質量%を示す。 Hereinafter, the present invention will be specifically described with reference to Examples and Comparative Examples, but the present invention is not limited to the following Examples. In the following examples,% indicates mass% unless otherwise specified.

[実施例、比較例]
表1~3に示す組成の歯磨剤組成物(練歯磨)を常法によって調製して通常のラミネートチューブ容器に充填した。これらをサンプルとして用い、下記方法で評価した。結果を表1~3に併記した。
[Examples, comparative examples]
The dentifrice composition (dentifrice) having the composition shown in Tables 1 to 3 was prepared by a conventional method and filled in a normal laminated tube container. These were used as samples and evaluated by the following method. The results are also shown in Tables 1 to 3.

評価方法
被験者4名によって評価を行った。
歯ブラシ(クリニカアドバンテージ歯ブラシ、4列コンパクトふつうタイプ、ライオン(株)製)にサンプルの歯磨剤組成物1gを載せ、3分間歯磨きを行った。
口腔内清浄感については、歯磨きして口腔内を水ですすぎ、直後と、すすぎ後30分間経過後の口腔内清浄感を、それぞれ下記の評点基準で判定した。なお、ここで、口腔内清浄感とは、口腔内の汚れが落ちたと感じるすっきりとした感覚である。
歯磨き中の口腔内の違和感(味の悪さや刺激感に起因する違和感)については、下記の評点基準で判定した。
歯ブラシへの載せやすさについては、チューブ容器からサンプルを歯ブラシ上に押し出した際の載せやすさを下記の評点基準で判定した。サンプルの物性により曳糸したり、サンプルの保形性が高すぎて歯ブラシから落ちそうになったりするかについて判定し、これらがないものを載せやすいと判断した。
これら判定結果は、それぞれ平均値を求めて下記に示す評価基準に基づいて評価した。
Evaluation method Evaluation was performed by 4 subjects.
1 g of a sample dentifrice composition was placed on a toothbrush (Clinica Advantage toothbrush, 4-row compact normal type, manufactured by Lion Corporation), and the toothbrush was brushed for 3 minutes.
Regarding the oral cleanliness, the oral cleanliness immediately after brushing the teeth and rinsing the oral cavity with water and 30 minutes after rinsing were judged according to the following score criteria. Here, the oral cleanliness is a refreshing sensation that the dirt in the oral cavity has been removed.
The discomfort in the oral cavity during brushing (discomfort caused by bad taste and irritation) was judged by the following score criteria.
Regarding the ease of mounting on the toothbrush, the ease of mounting when the sample was extruded onto the toothbrush from the tube container was judged based on the following scoring criteria. It was judged whether the sample was towed depending on the physical characteristics of the sample, or whether the sample was too high in shape retention and was likely to fall off the toothbrush, and it was judged that it was easy to put a sample without these.
Each of these judgment results was evaluated based on the evaluation criteria shown below by obtaining an average value.

<口腔内清浄感(すすぎ直後、すすぎ後30分間経過後)>
評点基準
5:非常に感じた
4:感じた
3:やや感じた
2:どちらともいえない
1:感じなかった
評価基準
◎:4人の平均点が4点以上
○:4人の平均点が3点以上4点未満
△:4人の平均点が2点以上3点未満
×:4人の平均点が2点未満
<Mouth cleanliness (immediately after rinsing, 30 minutes after rinsing)>
Score criteria 5: Very felt 4: Feeled 3: Slightly felt 2: Neither can be said 1: Not felt Evaluation criteria ◎: Average score of 4 people is 4 points or more ○: Average score of 4 people is 3 Points or more and less than 4 points △: Average score of 4 people is 2 points or more and less than 3 points ×: Average score of 4 people is less than 2 points

<口腔内の違和感>
評点基準
5:感じなかった
4:どちらともいえない
3:やや感じた
2:感じた
1:強く感じた
評価基準
◎:4人の平均点が4.5点以上
○:4人の平均点が4点以上4.5点未満
△:4人の平均点が2点以上4点未満
×:4人の平均点が2点未満
<Discomfort in the oral cavity>
Score criteria 5: I didn't feel 4: I couldn't say either 3: I felt a little 2: I felt 1: I felt strongly Evaluation criteria ◎: The average score of 4 people was 4.5 points or more ○: The average score of 4 people was 4 points or more and less than 4.5 points Δ: Average score of 4 people is 2 points or more and less than 4 points ×: Average score of 4 people is less than 2 points

<歯ブラシへの載せやすさ>
評点基準
5:非常に載せやすい
4:載せやすい
3:どちらともいえない
2:載せにくい
1:非常に載せにくい
評価基準
◎:4人の平均点が4点以上
○:4人の平均点が3点以上4点未満
△:4人の平均点が2点以上3点未満
×:4人の平均点が2点未満
<Easy to put on a toothbrush>
Score criteria 5: Very easy to put 4: Easy to put 3: Neither can be said 2: Difficult to put 1: Very difficult to put Evaluation criteria ◎: Average score of 4 people is 4 points or more ○: Average score of 4 people is 3 Points or more and less than 4 points △: Average score of 4 people is 2 points or more and less than 3 points ×: Average score of 4 people is less than 2 points

使用原料の詳細を下記に示す。
(A)N-(4-シアノメチルフェニル)-2-イソプロピル-5-メチル
シクロヘキサンカルボキサミド:エバクール180(ジボダンジャパ
ン(株)製)
メンチルラクテート(比較品):フレスコラットML(シムライズ(株)製)
N-エチル-p-メンタンカルボキサミド(比較品):WS-3(登録商標、ジボダンジャパン(株)製)
(B)キサンタンガム:モナートガムDA(CPケルコ社製)
(C)ポリアクリル酸ナトリウム:レオジック260H(東亞合成(株)製)
(C)アルギン酸ナトリウム:キミカアルギン((株)キミカ社製)
カルボキシメチルセルロースナトリウム(比較品):CMC1260(ダイセルファインケム(株)製)
ポリビニルピロリドン(比較品):ルビスコールK30(BASF社製)
(D)増粘性シリカ:Carplex#67(DSLジャパン社製)
(E)ラウリル硫酸ナトリウム:Texapon(BASF社製)
Details of the raw materials used are shown below.
(A) N- (4-cyanomethylphenyl) -2-isopropyl-5-methylcyclohexanecarboxamide: Evacool 180 (manufactured by Givaudan Japan Co., Ltd.)
Mentil Lactate (comparative product): Frescorat ML (manufactured by Symrise Co., Ltd.)
N-ethyl-p-menthanecarboxamide (comparative product): WS-3 (registered trademark, manufactured by Givaudan Japan Co., Ltd.)
(B) Xanthan gum: Monato gum DA (manufactured by CP Kelco)
(C) Sodium polyacrylate: Leosic 260H (manufactured by Toagosei Co., Ltd.)
(C) Sodium alginate: Kimika algin (manufactured by Kimika Co., Ltd.)
Sodium Carboxymethyl Cellulose (Comparative Product): CMC1260 (manufactured by Daicel FineChem Co., Ltd.)
Polyvinylpyrrolidone (comparative product): Rubiscor K30 (manufactured by BASF)
(D) Viscous silica: Carplex # 67 (manufactured by DSL Japan)
(E) Sodium lauryl sulfate: Texaspon (manufactured by BASF)

Figure 0007078043000001
Figure 0007078043000001

Figure 0007078043000002
Figure 0007078043000002

Figure 0007078043000003
Figure 0007078043000003

Claims (6)

(A)N-(4-シアノメチルフェニル)-2-イソプロピル-5-メチルシクロヘキサンカルボキサミド
0.00001~0.01質量%、
(B)キサンタンガム 1.4~2.5質量%
及び
(C)ポリアクリル酸ナトリウム及びアルギン酸ナトリウムから選ばれる1種以上
を含有し、(B)/(C)が質量比として6~20である歯磨剤組成物。
(A) N- (4-cyanomethylphenyl) -2-isopropyl-5-methylcyclohexanecarboxamide
0.00001-0.01% by mass,
(B) Xanthan gum 1.4-2.5% by mass
And (C) a dentifrice composition containing one or more selected from sodium polyacrylate and sodium alginate, and (B) / (C) having a mass ratio of 6 to 20.
(C)成分を0.1~0.3質量%含有する請求項1記載の歯磨剤組成物。 (C) The dentifrice composition according to claim 1, which contains 0.1 to 0.3% by mass of the component. 更に、(D)増粘性シリカを0.1~10質量%含有する請求項1又は2記載の歯磨剤組成物。 The dentifrice composition according to claim 1 or 2, further comprising (D) 0.1 to 10% by mass of thickening silica. 更に、(E)界面活性剤を0.1~5質量%含有する請求項1~3のいずれか1項記載の歯磨剤組成物。 The dentifrice composition according to any one of claims 1 to 3, further comprising (E) 0.1 to 5% by mass of a surfactant. (E)界面活性剤が、スルホン酸基を含有するアニオン性界面活性剤である請求項4記載の歯磨剤組成物。 (E) The dentifrice composition according to claim 4, wherein the surfactant is an anionic surfactant containing a sulfonic acid group. (B)及び(C)成分以外の有機粘結剤の含有量が0~0.5質量%である請求項1~5のいずれか1項記載の歯磨剤組成物。 The dentifrice composition according to any one of claims 1 to 5, wherein the content of the organic binder other than the components (B) and (C) is 0 to 0.5% by mass.
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