JP3756357B2 - Liquid deodorant - Google Patents

Liquid deodorant Download PDF

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Publication number
JP3756357B2
JP3756357B2 JP25405399A JP25405399A JP3756357B2 JP 3756357 B2 JP3756357 B2 JP 3756357B2 JP 25405399 A JP25405399 A JP 25405399A JP 25405399 A JP25405399 A JP 25405399A JP 3756357 B2 JP3756357 B2 JP 3756357B2
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Japan
Prior art keywords
group
carbon atoms
deodorant
liquid deodorant
deodorizing
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JP25405399A
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Japanese (ja)
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JP2001070423A (en
Inventor
紀子 山口
郁夫 菅野
和隆 白土
宏光 林
秀次 田方
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Kao Corp
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Kao Corp
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Description

【0001】
【発明の属する技術分野】
本発明は液体消臭剤に関する。
【0002】
【従来の技術及び発明が解決しようとする課題】
空間に存在する臭い物質は衣料やカーペット等に付着し悪臭の原因となる。また、汗などの体臭も衣料に付着し、不快感を与える。このような悪臭を除去する方法として特表平10−503958号公報には、特定香料成分とシクロデキストリン等の包接化合物及び/又は亜鉛塩を配合する消臭剤が開示されている。しかしながら、これらは使用当初は消臭効果が得られるが、その効果が持続しないという問題があった。特に衣料に付着した汗に由来する臭いは時間の経過と共に臭いが強くなる傾向に有り、これを抑制することは従来の消臭剤では困難であった。
【0003】
従って本発明の課題は、高い消臭効果がありしかも持続性に優れる液体消臭剤を提供することにある。
【0004】
【課題を解決するための手段】
本発明は、(a)消臭基剤、(b)下記一般式(I)で示される四級アンモニウム化合物、(c)水と共沸混合物を形成し得る沸点が100℃以下の溶剤及び(d)水を含有する液体消臭剤を提供する。
【0005】
【化2】

Figure 0003756357
【0006】
〔式中、R1は炭素数6〜18のアルキル基又はアルケニル基、R2、R4は炭素数1〜3のアルキル基又はヒドロキシアルキル基、R3は炭素数1〜3のアルキレン基、X-はアニオン基を示す。〕
【0007】
【発明の実施の形態】
本発明の液体消臭剤に配合する(a)成分の消臭基剤としては、臭気源をマスキング又は相殺することにより消臭するマスキング性(ないし相殺性)消臭基剤、臭気化合物を包接することにより消臭する包接性消臭基剤、又は臭気化合物を吸着することにより消臭する吸着性消臭基剤等が挙げられる。一般に、マスキングは、中和や二重結合による反応等の化学反応による方法と臭覚に刺激を与える方法による行われる。合成香料、天然香料等の香料成分は、これらのいずれかもしくは両方の方法で消臭効果を発現する。また、フラボノイド、亜鉛化合物等は、臭気化合物と反応することにより消臭効果を発現する(以下、このような消臭基剤を反応性消臭基剤という)。本発明の消臭基剤は、これらの方法により消臭効果を発現するものに限定されず、また複数の機能を持つものでもよい。例えば、香料としての植物精油等の天然由来の混合物には、臭覚に刺激を与えることによる消臭と臭気化合物との反応による消臭との両方の機能を兼ね備えるものがある。
【0008】
香料成分は、メチルイオノン、サリチル酸ヘキシル、イオノン、ヘディオン、フェノキシエタノール、アンバーコア、セドリルメチルエーテル、シネオール、カンファー、ピネン、リモネン、リナロール、酢酸リナロール、ネロール、酢酸ネリル、カルバクロール、チモール、シトロネロール、シトラール、ゲラニオール、サンタロール、ボルネオール、カルボン、酢酸ベンジル、オイゲノール、セドレン、酢酸ボルニル、メントール、メントン、メチルチャビコール、サイメン、プレゴール、アネトール、ツヨンから選ばれる1種以上の香料成分を用いることが好ましい。また、天然の香料成分として、セージオイル、タイムオイル、バジルオイル、ペパーミントオイル、ハッカオイル、ローズマリーオイル、ユーカリプタスオイル、マジョラムオイルセージ等を挙げることができる。香料成分を配合する場合は、液体消臭剤中に0.001〜1重量%、特に0.005〜0.5重量%配合するのが好ましい。その他に、松、ヒバ、桧、杉、茶、山茶花、桃等の植物抽出エキスを香料成分と同様にして用いてもよい。
【0009】
反応性消臭基剤としては、フラボノイド、亜鉛化合物が挙げられる。フラボノイドは、カルコン、フラバノン、フラバノール、フラボン、フラボノール、イソフラボンまたはカテキンが有用である。フラボノイドを消臭基剤として用いる場合は、液体消臭剤中に好ましくは0.001〜1重量%、特に好ましくは0.005〜0.5重量%配合するのが、消臭効果の点で望ましい。亜鉛化合物としては、塩化亜鉛、亜鉛石けん等が挙げられる。亜鉛化合物を消臭基剤として用いる場合は、液体消臭剤中に0.001〜2重量%、特に0.005〜1重量%配合するのが好ましい。
【0010】
本発明では、上記以外の反応性消臭基剤として、消臭基剤として炭素数8〜18のアルキル基を少なくとも1つ有する、カチオン基を有する化合物を使用することも可能である。これらの化合物の中でも特に下記一般式(II)、(III)又は(IV)の化合物が好ましく、一般式(IV)のアミンオキシドが消臭効果の点で最も優れている。
【0011】
【化3】
Figure 0003756357
【0012】
〔式中R11、R21、R31は、それぞれ炭素数8〜18のアルキル基又はアルケニル基であり、R12、R13、R14、R22、R23、R32、R33は、それぞれ炭素数1〜3のアルキル基又はヒドロキシアルキル基、R34は炭素数1〜5のアルキレン基である。Yは−CONR35−、−NR35CO−、−COO−、−OCO−から選ばれる連結基である。ここで、R35は水素原子又は炭素数1〜3のアルキル基である。X-はハロゲン、炭素数1〜14の脂肪酸、炭素数1〜3の低級アルコールの硫酸エステルに由来する陰イオン基を示す。〕。
【0013】
上記化合物を消臭基剤として使用する場合は、消臭効果、持続性及び衣料の風合いの点から液体消臭剤に0.1〜2.0重量%、特に0.2〜1.5重量%配合することが好ましい。
【0014】
更に、反応性の消臭基剤の一つとして、臭気化合物であるアミンや硫化物を中和することにより揮発性を低減させ消臭するものが挙げられる。このような消臭基剤は、液体消臭剤1000mlを25℃でpH10にするために必要なN/10NaOH水溶液が10〜200ml及び25℃でpH7にするために必要なN/10H2SO4水溶液が20〜500mlとなるようなpH変動抑制能を液体消臭剤に付与する一種以上の化合物が用いられる。具体的には、乳酸、グルコン酸、コハク酸、グルタル酸、アジピン酸、リンゴ酸、酒石酸、マレイン酸、フマル酸、イタコン酸、クエン酸、フタル酸、酢酸、安息香酸、サリチル酸、ジエチルバルビツル酸の他、グリシン、アラニン、バリン、ロイシン、セリン、グルタミン酸、アスパラギン酸等のアミノ酸等の有機酸又はそれらの塩、りん酸、ホウ酸、塩酸等の無機酸又はそれらの塩、モノエタノールアミン、ジエタノールアミン、トリエタノールアミン、メチルモノエタノールアミン、ジメチルエタノールアミン等のアミン類、水酸化ナトリウム、水酸化カリウム等の無機塩基等を使用することができる。これらの中でも特にりん酸、塩酸、クエン酸、コハク酸から選ばれる酸と、トリエタノールアミン、モノエタノールアミン、メチルモノエタノールアミン、水酸化ナトリウム、水酸化カリウムから選ばれる塩基との組み合わせが、より効果的な消臭効果を得ることができるため好ましい。
【0015】
液体消臭剤に上記pH変動抑制能を与える化合物は、上記のpH変動抑制能を満たすよう、液体消臭剤に0.01〜3.0重量%、特に0.05〜2.0重量%配合するのが好ましい。また、20℃におけるpHを7.5〜9.5、好ましくは7.5〜9.0に調整することが望ましい。
【0016】
包接性の消臭基剤としては、シクロデキストリン又はその誘導体等の包接化合物が挙げられる。包接化合物を消臭基剤として用いる場合は、液体消臭剤中に好ましくは0.05〜5重量%、より好ましくは0.1〜3重量%含有される。また、吸着性の消臭基剤としては、タルク等が挙げられる。
【0017】
本発明では、好ましくはマスキング性(ないし相殺性)消臭基剤及び/又は反応性消臭基剤を使用することであり、より好ましくは消臭基剤として上記消炭素数8〜18のアルキル基を少なくとも1つ有する、カチオン基を有する化合物を使用するか、あるいは液体消臭剤にpH変動抑制能を与える化合物を配合することであり、最も好ましくは両者を併用することが消臭効果及び効果の持続性の点で好ましい。
【0018】
本発明では(b)成分として下記一般式(I)の化合物を配合する。
【0019】
【化4】
Figure 0003756357
【0020】
〔式中、R1は炭素数6〜18、好ましくは8〜16のアルキル基又はアルケニル基、R2、R4は炭素数1〜3のアルキル基又はヒドロキシアルキル基、R3は炭素数1〜3のアルキレン基、好ましくはメチレン基を示し、X-はアニオン基、好ましくはCl-等のハロゲンイオン基、エチルサルフェート等のアルキル(炭素数1〜5)サルフェート基を示す。〕。
【0021】
(b)成分は、消臭効果の点から、液体消臭剤中に0.01〜1重量%、更に0.01〜0.5重量%、特に0.02〜0.2重量%配合されるのが好ましい。
【0022】
本発明では、上記(a)成分及び(b)成分を衣料等に均一に染み込ませ、乾燥後に見られる輪染みの形成を抑制し、且つ乾燥を促進させる目的でさらに(c)成分として、水と共沸混合物を形成し得る沸点が100℃以下の溶剤を配合する。このような溶剤としてはエタノール、プロパノール、イソプロパノール、アセトン、アセトニトリル等を挙げることができ、特に消臭効果の即効性の点からエタノールが好ましい。(c)成分の溶剤は、液体消臭剤中に1〜10重量%、特に2〜8重量%配合するのが好ましい。なおエタノールを使用する場合は変性エタノールを使用することができ、特に8−アセチル化蔗糖変性エタノール又はポリオキシエチレンアルキルエーテル硫酸ナトリウム変性エタノールを用いることが好ましい。
【0023】
本発明の液体消臭剤には、布への浸透性を高める目的で炭素数8以上、特には炭素数8〜22のアルキル基またはアルケニル基を有する陰イオン界面活性剤、非イオン界面活性剤を配合することができるが、これら界面活性剤の多量の配合は、消臭基剤の作用を阻害するため、液体消臭剤中の配合量は、2重量%以下が好ましく、特に1重量%以下が好ましい。
【0024】
さらに本発明の効果に影響を与えない添加剤を配合しても差し支えない。例えば可溶化剤として、エチレングリコール、プロピレングリコール、グリセリン、ソルビトール等の多価アルコール類、p−トルエンスルホン酸塩、m−キシレンスルホン酸塩等の芳香族スルホン酸塩類が挙げられる。また、色素、増粘剤などを所望により添加してもよく、抗菌性が懸念される場合は防腐・防黴剤を含有することが好ましい。
【0025】
本発明の液体消臭剤の残部は水であり、好ましくは80〜99重量%、より好ましくは90〜96重量%含有する。使用する水は重金属や硬度成分を除去した精製水、特にイオン交換水を使用することが好ましい。
【0026】
本発明の液体消臭剤は該液体消臭剤を布などに染み込ませ、消臭対象物にこすり付ける方法や、スプレーヤーにより衣料に直接吹き付ける方法で消臭を行うことができ、特にトリガー式スプレーを用いて消臭対象物に噴霧する方法が消臭基剤などを均一に付着させる点から望ましい。このようなトリガー式スプレーとしては、特に1回のストロークで0.2g〜0.7g、好ましくは0.25〜0.5g噴出するものが良好である。また、対象物から15cm離れた場所から噴霧したとき、1回のストロークで布に該液体消臭剤が付着する面積は100〜800cm2、好ましくは150〜600cm2になる容器が好ましい。このようなトリガー式スプレーは特に限定しないが、特に実開平4−37554号公報に開示されているような蓄圧式トリガーを用いると特に良好である。容器部の容量は、使用用途や形態目的等によって好ましい容量が決められるが、通常は片手で保持可能な容量が好ましい。
【0027】
【実施例】
<消臭基剤(a)>
・a−1:アミドプロピルアミンオキシド(ラウリン酸とジメチルアミノプロピルアミンとのアミド化物を過酸化水素により反応させて得たもの)
・a−2:ジメチルラウリルアミンオキシド(アンヒトール20N、花王株式会社製)
・a−3:カテキン
・a−4:γ―メチルイオノン
・a−5:りん酸2水素ナトリウム
・a−6:β−シクロデキストリン
<四級アンモニウム化合物(b)>
・b−1:N−ドデシル−N−ベンジル−N,N−ジメチルアンモニウムクロリド
・b−2:N−テトラデシル−N−ベンジル−N,N−ジメチルアンモニウムクロリド
<溶剤(c)>・c−1:エタノール。
【0028】
実施例1
上記成分を用いて表1に示す液体消臭剤を調製した。下記に示す消臭対象物を用いて、下記に示す消臭方法にて処理した後の消臭性能を調べた。また、消臭対象物を下記消臭方法で処理した後、室内で24時間陰干しした後の消臭性能を調べた。
【0029】
<消臭性能の評価>
・汗臭衣料の調製
20歳代の10人の男性が24時間着用した肌着(グンゼ製半袖アンダーシャツ、グンゼYG)を、ビニール袋に入れ、室温で3日間放置した。その後、背中部分を20×20cmに切断し、試験片として実験に供した。
・消臭性能の評価方法
市販のトリガー式スプレー容器(花王株式会社製アイロン用スムーザー400mlの中身を抜いた手動式スプレー容器を匂いが無くなるまで洗浄し、自然乾燥させたもの)に表1の液体消臭剤400ml入れ、実験に供した。上記消臭対象物を地面に対して垂直に吊るし、上記トリガー式スプレーにより対象物から15cm離れた場所から2回吹き付け、直後の臭いと24時間放置後の臭いを30歳代の男性及び女性10人(各5人ずつ)に臭いを嗅いでもらい、下記の六段階臭気強度表示法で評価し、平均点を求めた。平均点0以上1.0未満を◎、1.0以上2.0未満を○、2.0以上3未満を△、3以上5以下を×として、表1に結果を示す。○以上が好ましい。
0:無臭
1:何の臭いか分からないが、ややかすかに何かを感じる強さ(検知閾値のレベル)
2:何の臭いか分かる、容易に感じる弱い臭い(認知閾値のレベル)
3:明らかに感じる臭い
4:強い臭い
5:耐えられないほど強い臭い
【0030】
【表1】
Figure 0003756357
【0031】
液体消臭剤1000mlを25℃でpH10にするために必要なN/10NaOH水溶液の量は、実施例1が20ml、実施例6が22ml、比較例2が20ml、その他が10ml未満であり、また、液体消臭剤1000mlを25℃でpH7にするために必要なN/10H2SO4水溶液の量は、実施例1が130ml、実施例6が139ml、比較例2が131ml、その他が20ml未満であった。[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a liquid deodorant.
[0002]
[Prior art and problems to be solved by the invention]
Odorous substances present in the space adhere to clothing, carpets, etc. and cause odors. In addition, body odor such as sweat adheres to the clothing and gives an unpleasant feeling. Japanese Unexamined Patent Publication No. 10-503958 discloses a deodorizing agent containing a specific perfume component and an inclusion compound such as cyclodextrin and / or a zinc salt as a method for removing such malodors. However, these have a deodorizing effect at the beginning of use, but have a problem that the effect is not sustained. In particular, the odor derived from sweat adhering to clothing tends to become stronger with the passage of time, and it has been difficult to suppress this with conventional deodorants.
[0003]
Accordingly, an object of the present invention is to provide a liquid deodorant having a high deodorizing effect and excellent in sustainability.
[0004]
[Means for Solving the Problems]
The present invention includes (a) a deodorizing base, (b) a quaternary ammonium compound represented by the following general formula (I), (c) a solvent having a boiling point of 100 ° C. or less capable of forming an azeotrope with water, and ( d) To provide a liquid deodorant containing water.
[0005]
[Chemical 2]
Figure 0003756357
[0006]
[Wherein, R 1 is an alkyl group or alkenyl group having 6 to 18 carbon atoms, R 2 and R 4 are alkyl groups or hydroxyalkyl groups having 1 to 3 carbon atoms, R 3 is an alkylene group having 1 to 3 carbon atoms, X represents an anionic group. ]
[0007]
DETAILED DESCRIPTION OF THE INVENTION
As the deodorizing base of the component (a) to be blended in the liquid deodorant of the present invention, a masking (or offsetting) deodorizing base that deodorizes by masking or offsetting the odor source, and an odor compound are included. Examples include a clathrate deodorant base that deodorizes by contact, or an adsorptive deodorant base that deodorizes by adsorbing odorous compounds. In general, masking is performed by a chemical reaction method such as neutralization or a double bond reaction and a method of stimulating olfaction. Perfume ingredients such as synthetic fragrances and natural fragrances exhibit a deodorizing effect by either or both of these methods. Further, flavonoids, zinc compounds and the like exhibit a deodorizing effect by reacting with an odor compound (hereinafter, such a deodorizing base is referred to as a reactive deodorizing base). The deodorant base of the present invention is not limited to those that exhibit a deodorizing effect by these methods, and may have a plurality of functions. For example, some naturally derived mixtures such as plant essential oils as fragrances have both functions of deodorizing by stimulating odor and deodorizing by reaction with odorous compounds.
[0008]
Perfume ingredients are methylionone, hexyl salicylate, ionone, hedion, phenoxyethanol, ambercore, cedolyl methyl ether, cineole, camphor, pinene, limonene, linalool, linalool acetate, nerol, neryl acetate, carvacrol, thymol, citronellol, citral, It is preferable to use one or more perfume ingredients selected from geraniol, santalol, borneol, carvone, benzyl acetate, eugenol, cedrene, bornyl acetate, menthol, menthone, methylchavicol, cymene, pregol, anethole, and thuyon. Natural fragrance ingredients include sage oil, thyme oil, basil oil, peppermint oil, mint oil, rosemary oil, eucalyptus oil, marjoram oil sage and the like. When a fragrance component is blended, it is preferably blended in the liquid deodorant in an amount of 0.001 to 1% by weight, particularly 0.005 to 0.5% by weight. In addition, plant extract extracts such as pine, hiba, persimmon, cedar, tea, mountain tea flower, and peach may be used in the same manner as the fragrance component.
[0009]
Examples of the reactive deodorant base include flavonoids and zinc compounds. As the flavonoid, chalcone, flavanone, flavanol, flavone, flavonol, isoflavone or catechin is useful. When flavonoid is used as a deodorant base, it is preferably 0.001 to 1% by weight, particularly preferably 0.005 to 0.5% by weight in the liquid deodorant in terms of the deodorizing effect. desirable. Examples of the zinc compound include zinc chloride and zinc soap. When using a zinc compound as a deodorant base, it is preferable to mix | blend 0.001-2 weight% in a liquid deodorizer, especially 0.005-1 weight%.
[0010]
In this invention, it is also possible to use the compound which has a cationic group which has at least 1 C8-C18 alkyl group as a deodorizing base other than the above as a reactive deodorizing base. Among these compounds, compounds of the following general formula (II), (III) or (IV) are particularly preferable, and amine oxides of the general formula (IV) are most excellent in terms of deodorizing effect.
[0011]
[Chemical 3]
Figure 0003756357
[0012]
[Wherein R 11 , R 21 and R 31 are each an alkyl group or alkenyl group having 8 to 18 carbon atoms, and R 12 , R 13 , R 14 , R 22 , R 23 , R 32 , R 33 are Each is an alkyl group having 1 to 3 carbon atoms or a hydroxyalkyl group, and R 34 is an alkylene group having 1 to 5 carbon atoms. Y is a linking group selected from —CONR 35 —, —NR 35 CO—, —COO—, and —OCO—. Here, R 35 is a hydrogen atom or an alkyl group having 1 to 3 carbon atoms. X represents an anion group derived from a halogen, a fatty acid having 1 to 14 carbon atoms, or a sulfuric ester of a lower alcohol having 1 to 3 carbon atoms. ].
[0013]
When the above compound is used as a deodorant base, it is 0.1 to 2.0% by weight, particularly 0.2 to 1.5% by weight in the liquid deodorant from the viewpoint of deodorizing effect, durability and texture of clothing. % Is preferable.
[0014]
Furthermore, as one of the reactive deodorizing bases, there can be mentioned those which deodorize by reducing volatility by neutralizing amines and sulfides which are odorous compounds. Such a deodorizing base is composed of 10 to 200 ml of an N / 10 NaOH aqueous solution necessary for bringing 1000 ml of liquid deodorant to pH 10 at 25 ° C. and N / 10H 2 SO 4 necessary for adjusting pH to 7 at 25 ° C. One or more compounds that impart a pH deterrent to the liquid deodorant such that the aqueous solution is 20 to 500 ml are used. Specifically, lactic acid, gluconic acid, succinic acid, glutaric acid, adipic acid, malic acid, tartaric acid, maleic acid, fumaric acid, itaconic acid, citric acid, phthalic acid, acetic acid, benzoic acid, salicylic acid, diethyl barbituric acid In addition, organic acids such as amino acids such as glycine, alanine, valine, leucine, serine, glutamic acid and aspartic acid or salts thereof, inorganic acids such as phosphoric acid, boric acid and hydrochloric acid or salts thereof, monoethanolamine, diethanolamine Further, amines such as triethanolamine, methylmonoethanolamine and dimethylethanolamine, and inorganic bases such as sodium hydroxide and potassium hydroxide can be used. Among these, a combination of an acid selected from phosphoric acid, hydrochloric acid, citric acid, and succinic acid and a base selected from triethanolamine, monoethanolamine, methylmonoethanolamine, sodium hydroxide, and potassium hydroxide is more preferable. This is preferable because an effective deodorizing effect can be obtained.
[0015]
The compound which gives the liquid deodorant the above pH fluctuation suppressing ability is 0.01 to 3.0% by weight, particularly 0.05 to 2.0% by weight in the liquid deodorant so as to satisfy the above pH fluctuation suppressing ability. It is preferable to mix. Further, it is desirable to adjust the pH at 20 ° C. to 7.5 to 9.5, preferably 7.5 to 9.0.
[0016]
Examples of the inclusion deodorant base include inclusion compounds such as cyclodextrin or a derivative thereof. When using the clathrate compound as a deodorant base, the liquid deodorant is preferably contained in an amount of 0.05 to 5% by weight, more preferably 0.1 to 3% by weight. Moreover, talc etc. are mentioned as an adsorptive deodorant base.
[0017]
In the present invention, it is preferable to use a masking (or offsetting) deodorizing base and / or a reactive deodorizing base, and more preferably an alkyl having 8 to 18 carbon atoms as the deodorizing base. It is to use a compound having a cationic group having at least one group, or to give a liquid deodorant a compound that imparts pH fluctuation-inhibiting ability, and most preferably using both together as a deodorizing effect and It is preferable from the viewpoint of sustaining the effect.
[0018]
In the present invention, the compound of the following general formula (I) is blended as the component (b).
[0019]
[Formula 4]
Figure 0003756357
[0020]
[Wherein R 1 is an alkyl group or alkenyl group having 6 to 18 carbon atoms, preferably 8 to 16 carbon atoms, R 2 and R 4 are alkyl groups or hydroxyalkyl groups having 1 to 3 carbon atoms, and R 3 is 1 carbon atom. An alkylene group of ˜3, preferably a methylene group, and X represents an anion group, preferably a halogen ion group such as Cl , or an alkyl (C 1-5) sulfate group such as ethyl sulfate. ].
[0021]
The component (b) is blended in the liquid deodorant from 0.01 to 1% by weight, more preferably from 0.01 to 0.5% by weight, particularly from 0.02 to 0.2% by weight, from the point of the deodorizing effect. It is preferable.
[0022]
In the present invention, the component (a) and the component (b) are uniformly infiltrated into clothing, etc., and for the purpose of suppressing the formation of ring stains seen after drying and further promoting the drying, And a solvent having a boiling point of 100 ° C. or less capable of forming an azeotrope. Examples of such a solvent include ethanol, propanol, isopropanol, acetone, acetonitrile and the like, and ethanol is particularly preferable from the viewpoint of immediate effect of deodorizing effect. The component (c) solvent is preferably blended in the liquid deodorant in an amount of 1 to 10% by weight, particularly 2 to 8% by weight. When ethanol is used, denatured ethanol can be used, and it is particularly preferable to use 8-acetylated sucrose-modified ethanol or polyoxyethylene alkyl ether sodium sulfate-modified ethanol.
[0023]
The liquid deodorant of the present invention includes an anionic surfactant and a nonionic surfactant having an alkyl group or an alkenyl group having 8 or more carbon atoms, particularly 8 to 22 carbon atoms, for the purpose of enhancing the permeability to cloth. However, since a large amount of these surfactants inhibits the action of the deodorant base, the amount of the liquid deodorant is preferably 2% by weight or less, particularly 1% by weight. The following is preferred.
[0024]
Furthermore, an additive that does not affect the effect of the present invention may be blended. Examples of solubilizers include polyhydric alcohols such as ethylene glycol, propylene glycol, glycerin and sorbitol, and aromatic sulfonates such as p-toluenesulfonate and m-xylenesulfonate. In addition, pigments, thickeners and the like may be added as desired, and when antibacterial properties are concerned, it is preferable to contain antiseptic / antifungal agents.
[0025]
The balance of the liquid deodorant of the present invention is water, preferably 80 to 99% by weight, more preferably 90 to 96% by weight. It is preferable to use purified water from which heavy metals and hardness components are removed, particularly ion-exchanged water.
[0026]
The liquid deodorant of the present invention can be deodorized by a method of impregnating the liquid deodorant into a cloth and rubbing it on an object to be deodorized or a method of spraying directly on clothing by a sprayer. A method of spraying on a deodorant object using a spray is desirable from the viewpoint of uniformly attaching a deodorant base or the like. As such a trigger type spray, it is particularly preferable to spray 0.2 g to 0.7 g, preferably 0.25 to 0.5 g in one stroke. Moreover, when spraying from the place 15 cm away from the object, the area where the liquid deodorant adheres to the cloth in one stroke is 100 to 800 cm 2 , preferably 150 to 600 cm 2 . Although such trigger type spray is not particularly limited, it is particularly preferable to use a pressure accumulation type trigger as disclosed in Japanese Utility Model Publication No. 4-37554. A preferable capacity of the container portion is determined depending on the intended use, form purpose, and the like, but usually a capacity that can be held with one hand is preferable.
[0027]
【Example】
<Deodorant base (a)>
A-1: Amidopropylamine oxide (obtained by reacting amidated product of lauric acid and dimethylaminopropylamine with hydrogen peroxide)
A-2: dimethyl lauryl amine oxide (Amphitol 20N, manufactured by Kao Corporation)
A-3: catechin a-4: γ-methylionone a-5: sodium dihydrogen phosphate a-6: β-cyclodextrin <quaternary ammonium compound (b)>
B-1: N-dodecyl-N-benzyl-N, N-dimethylammonium chloride b-2: N-tetradecyl-N-benzyl-N, N-dimethylammonium chloride <solvent (c)> c-1 :ethanol.
[0028]
Example 1
Liquid deodorants shown in Table 1 were prepared using the above components. Using the deodorizing object shown below, the deodorizing performance after processing by the deodorizing method shown below was investigated. Moreover, after processing the deodorizing object by the following deodorizing method, the deodorizing performance after carrying out shade drying indoors for 24 hours was investigated.
[0029]
<Evaluation of deodorant performance>
-Preparation of sweat odor clothing Underwear (Gunze short-sleeve undershirt, Gunze YG) worn by 10 men in their 20s for 24 hours was placed in a plastic bag and left at room temperature for 3 days. Then, the back part was cut | disconnected to 20x20 cm, and it used for experiment as a test piece.
・ Evaluation method of deodorant performance Liquids listed in Table 1 in commercially available trigger spray containers (manual spray containers made by Kao Co., Ltd.) 400 ml of deodorant was put in and used for the experiment. The above-mentioned deodorant object is hung vertically with respect to the ground, sprayed twice from a place 15 cm away from the object by the above-mentioned trigger type spray, and the odor immediately after being left for 24 hours and the odor after being left for 24 hours 10 A person (five people each) smelled and evaluated by the following six-step odor intensity display method to obtain an average score. The results are shown in Table 1, with an average score of 0 or more and less than 1.0 being ◎, 1.0 or more and less than 2.0 being ◯, 2.0 or more and less than 3 being Δ, and 3 or more and 5 or less being x. ○ or more is preferable.
0: Odorless 1: I do not know what the odor is, but the strength to feel something slightly (level of detection threshold)
2: Know what odor, easily feel weak odor (recognition threshold level)
3: Obvious smell 4: Strong smell 5: Unbearable smell [0030]
[Table 1]
Figure 0003756357
[0031]
The amount of N / 10 NaOH aqueous solution required to bring the liquid deodorant 1000 ml to 25 at 25 ° C. is 20 ml in Example 1, 22 ml in Example 6, 20 ml in Comparative Example 2, and less than 10 ml in others. The amount of the N / 10H 2 SO 4 aqueous solution necessary to bring 1000 ml of liquid deodorant to pH 7 at 25 ° C. is 130 ml for Example 1, 139 ml for Example 6, 131 ml for Comparative Example 2, and less than 20 ml for others. Met.

Claims (5)

(a)下記一般式 (IV)の化合物から選ばれる消臭基剤、(b)下記一般式(I)で示される四級アンモニウム化合物、(c)水と共沸混合物を形成し得る沸点が100℃以下の溶剤及び(d)水を含有する液体消臭剤。
Figure 0003756357
〔式中、R1は炭素数6〜18のアルキル基又はアルケニル基、R2、R4は炭素数1〜3のアルキル基又はヒドロキシアルキル基、R3は炭素数1〜3のアルキレン基、X-はアニオン基を示す。〕
Figure 0003756357
〔式中R 31 、炭素数8〜18のアルキル基又はアルケニル基であり、R 32 、R33は、それぞれ炭素数1〜3のアルキル基又はヒドロキシアルキル基、R34は炭素数1〜5のアルキレン基である。Yは−CONR35−、−NR35CO−、−COO−、−OCO−から選ばれる連結基である。ここで、R35は水素原子又は炭素数1〜3のアルキル基である。〕
(A) a deodorizing base selected from compounds of the following general formula (IV) , (b) a quaternary ammonium compound represented by the following general formula (I), and (c) a boiling point capable of forming an azeotrope with water. A liquid deodorant containing a solvent of 100 ° C. or lower and (d) water.
Figure 0003756357
[Wherein, R 1 is an alkyl group or alkenyl group having 6 to 18 carbon atoms, R 2 and R 4 are alkyl groups or hydroxyalkyl groups having 1 to 3 carbon atoms, R 3 is an alkylene group having 1 to 3 carbon atoms, X represents an anionic group. ]
Figure 0003756357
[Wherein R 31 is an alkyl group or an alkenyl group having a carbon number of 8 to 18, R 32, R 33 are each alkyl or hydroxyalkyl group having 1 to 3 carbon atoms, R 34 is C1-5 An alkylene group. Y is a linking group selected from —CONR 35 —, —NR 35 CO—, —COO—, and —OCO—. Here, R 35 is a hydrogen atom or an alkyl group having 1 to 3 carbon atoms. ]
前記(a)消臭基剤を0.1〜2.0重量%含有する請求項1記載の液体消臭剤。  The liquid deodorant according to claim 1, comprising 0.1 to 2.0% by weight of the (a) deodorant base. 更にpH変動抑制能を与える化合物を含有する請求項1又は2記載の液体消臭剤。  Furthermore, the liquid deodorizer of Claim 1 or 2 containing the compound which gives pH fluctuation suppression ability. 20℃におけるpHが7.5〜9.5である請求項1〜3の何れか1項記載の液体消臭剤。  The liquid deodorant according to any one of claims 1 to 3, wherein the pH at 20 ° C is 7.5 to 9.5. (c)水と共沸混合物を形成し得る沸点が100℃以下の溶剤を含有する請求項1〜3の何れか1項記載の液体消臭剤。  (C) The liquid deodorant of any one of Claims 1-3 containing the solvent whose boiling point which can form an azeotrope with water is 100 degrees C or less.
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