JP2021126326A - Rubber odor modulation agent, rubber odor modulation method, and rubber odor modulation device - Google Patents
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Abstract
Description
本発明は、ゴム臭気の変調剤、ゴム臭気の変調方法、及びゴム臭気の変調装置に関するものである。 The present invention relates to a rubber odor modulator, a rubber odor modulator, and a rubber odor modulator.
従来、天然ゴム等のゴムを、タイヤをはじめとする各種ゴム製品に用いる場合に生じる腐敗臭や刺激臭を和らげる為に、香料、特には、特定の香気成分をマスキング剤として用いる技術が知られている。
例えば、下記特許文献１には、香料を含むゴム組成物が開示されており、該ゴム組成物中の香料が、香りを発生することによりゴム組成物特有の臭いを和らげることが開示さている。
Conventionally, in order to soften the putrid odor and pungent odor generated when rubber such as natural rubber is used for various rubber products such as tires, a technique of using a fragrance, particularly a specific aroma component, as a masking agent has been known. ing.
For example,
しかしながら、上記特許文献１に記載の技術では、天然ゴム等のゴム特有の臭いを低減する効果が十分ではなく、依然として改良の余地があった。
However, the technique described in
そこで、本発明は、上記従来技術の問題を解決し、ゴム臭気を効果的に低減することが可能な、ゴム臭気の変調剤を提供することを課題とする。
また、本発明は、ゴム臭気を効果的に低減することが可能な、ゴム臭気の変調方法、及びゴム臭気の変調装置を提供することを更なる課題とする。
Therefore, it is an object of the present invention to provide a rubber odor modulator capable of solving the above-mentioned problems of the prior art and effectively reducing the rubber odor.
Another object of the present invention is to provide a rubber odor modulation method and a rubber odor modulation device capable of effectively reducing the rubber odor.
上記課題を解決する本発明の要旨構成は、以下の通りである。 The gist structure of the present invention for solving the above problems is as follows.
本発明のゴム臭気の変調剤は、ウッディ・スパイシー調の香気成分を含むことを特徴とする。
かかる本発明のゴム臭気の変調剤は、ゴム臭気を効果的に低減することができる。
The rubber odor modulator of the present invention is characterized by containing a woody and spicy aroma component.
The rubber odor modulator of the present invention can effectively reduce the rubber odor.
本発明のゴム臭気の変調剤は、ギ酸、ｎ−吉草酸、トリメチルアミン、及び２−ピロリドンを含む臭気に対する感覚的消臭効果を有することが好ましい。この場合、ゴム臭気をより効果的に低減することが可能となる。 The rubber odor modulator of the present invention preferably has a sensory deodorizing effect on odors containing formic acid, n-valeric acid, trimethylamine, and 2-pyrrolidone. In this case, the rubber odor can be reduced more effectively.
本発明のゴム臭気の変調剤は、ジュニパーベリーオイル、及びエストラゴンオイルからなる第１の群から選択される少なくとも１種を含むことが好ましい。この場合、スパイシー調の香りを形成し易くなり、ゴム臭気をより効果的に低減することが可能となる。 The rubber odor modulator of the present invention preferably contains at least one selected from the first group consisting of juniper berry oil and estragon oil. In this case, a spicy scent is easily formed, and the rubber odor can be reduced more effectively.
本発明のゴム臭気の変調剤は、シナモンカッシア、ピンクペッパー抽出物、及びブラックペッパー抽出物からなる第２の群から選択される少なくとも１種を含むことが好ましい。この場合も、スパイシー調の香りを形成し易くなり、ゴム臭気をより効果的に低減することが可能となる。 The rubber odor modulator of the present invention preferably contains at least one selected from the second group consisting of cinnamon cassia, pink pepper extract, and black pepper extract. Also in this case, a spicy scent is easily formed, and the rubber odor can be reduced more effectively.
本発明のゴム臭気の変調剤は、バニリン、及びヒノキ抽出物からなる第３の群から選択される少なくとも１種を含むことが好ましい。この場合、ウッディ調の香りを形成し易くなり、ゴム臭気をより効果的に低減することが可能となる。 The rubber odor modulator of the present invention preferably contains at least one selected from the third group consisting of vanillin and cypress extract. In this case, a woody scent is easily formed, and the rubber odor can be reduced more effectively.
本発明のゴム臭気の変調方法は、上記の変調剤を用いることを特徴とする。かかる本発明のゴム臭気の変調方法は、ゴム臭気を効果的に低減することができる。 The method for modulating the rubber odor of the present invention is characterized by using the above-mentioned modulator. The rubber odor modulation method of the present invention can effectively reduce the rubber odor.
本発明のゴム臭気の変調装置は、上記のゴム臭気の変調剤を有し、該ゴム臭気の変調剤を噴霧する噴霧手段を具えることを特徴とする。かかる本発明のゴム臭気の変調装置は、ゴム臭気を効果的に低減することができる。 The rubber odor modulator of the present invention is characterized by having the above-mentioned rubber odor modulator and comprising a spraying means for spraying the rubber odor modulator. The rubber odor modulator of the present invention can effectively reduce the rubber odor.
本発明によれば、ゴム臭気を効果的に低減することが可能な、ゴム臭気の変調剤を提供することができる。
また、本発明によれば、ゴム臭気を効果的に低減することが可能な、ゴム臭気の変調方法、及びゴム臭気の変調装置を提供することができる。
According to the present invention, it is possible to provide a rubber odor modulator capable of effectively reducing the rubber odor.
Further, according to the present invention, it is possible to provide a rubber odor modulation method and a rubber odor modulation device capable of effectively reducing the rubber odor.
以下に、本発明のゴム臭気の変調剤、ゴム臭気の変調方法、及びゴム臭気の変調装置を、その実施形態に基づき、詳細に例示説明する。 Hereinafter, the rubber odor modulator, the rubber odor modulation method, and the rubber odor modulator of the present invention will be described in detail based on the embodiments thereof.
＜ゴム臭気の変調剤＞
本発明のゴム臭気の変調剤は、ウッディ・スパイシー調の香気成分を含むことを特徴とする。
ここで、「変調剤」とは、対象とする臭気と混合されて、対象とする臭気の変調により不快を和らげるものを言う。この現象は感覚的消臭とも言われる。
<Rubber odor modulator>
The rubber odor modulator of the present invention is characterized by containing a woody and spicy aroma component.
Here, the "modulator" refers to an agent that is mixed with a target odor and alleviates discomfort by modulating the target odor. This phenomenon is also called sensory deodorization.
本発明者らは、ゴムの中でも、腐敗臭や刺激臭が特に強い天然ゴムの臭気成分を鋭意検討した。天然ゴムの臭気成分としては、ギ酸、ｎ−吉草酸、トリメチルアミン、及び２−ピロリドンが臭気の主たる原因であることが知られているが、本発明者らは、ギ酸、ｎ−吉草酸、トリメチルアミン、及び２−ピロリドンからなる天然ゴム臭気の模擬臭を作製し、該模擬臭から各一臭気成分を抜いた寄与物質検討用サンプルを調製し、その官能評価を行ったところ、ギ酸及びｎ−吉草酸、特には、ｎ−吉草酸が臭気の不快感に大きく影響していることを見出した。
この知見を基に、本発明者らは、更に検討を進めたところ、ウッディ・スパイシー調の香気成分を含む変調剤を、天然ゴム臭気の模擬臭に配合したところ、ゴム臭気の不快感が大きく和らげられ、ゴム臭気を効果的に低減できることを見出した。
ウッディ・スパイシー調の香気成分が、ゴム臭気の不快感を大きく和らげるメカニズムは必ずしも明らかではなく、理論に拘束されることを望むものではないが、ゴム臭気の中でも、前述のギ酸、ｎ−吉草酸、トリメチルアミン、及び２−ピロリドンの臭気、特には、ギ酸及びｎ−吉草酸の臭気が、ウッディ・スパイシー調の香気成分と組み合わされて、それらの臭気の不快感を和らげるものと考えられる。
従って、ウッディ・スパイシー調の香気成分を含む本発明のゴム臭気の変調剤によれば、ゴム臭気を効果的に低減することができる。
The present inventors have diligently studied the odorous components of natural rubber, which has a particularly strong putrid odor and pungent odor among rubbers. It is known that formic acid, n-valeric acid, trimethylamine, and 2-pyrrolidone are the main odor components of natural rubber, but the present inventors have found that formic acid, n-valeric acid, and trimethylamine. A simulated odor of natural rubber odor consisting of, and 2-pyrrolidone was prepared, and a sample for studying a contributing substance was prepared by removing each odor component from the simulated odor, and the sensory evaluation was performed. As a result, formic acid and n-kichi were evaluated. It was found that formic acid, especially n-formic acid, has a great influence on the discomfort of odor.
Based on this finding, the present inventors further studied, and found that when a modulator containing a woody spicy odor component was added to the simulated odor of a natural rubber odor, the discomfort of the rubber odor was large. It has been found that it can be softened and the rubber odor can be effectively reduced.
The mechanism by which the woody spicy scent component greatly reduces the discomfort of rubber odors is not always clear, and we do not want to be bound by theory. , Trimethylamine, and 2-pyrrolidone odors, especially formic acid and n-valeric acid, are believed to be combined with woody spicy aroma components to alleviate the discomfort of those odors.
Therefore, according to the rubber odor modulator of the present invention containing a woody spicy odor component, the rubber odor can be effectively reduced.
前述の通り、ゴムの中でも、腐敗臭や刺激臭が特に強い天然ゴムの臭気成分の主たる原因は、ギ酸、ｎ−吉草酸、トリメチルアミン、及び２−ピロリドンであり、これに対して、本発明のゴム臭気の変調剤は、ギ酸、ｎ−吉草酸、トリメチルアミン、及び２−ピロリドンを含む臭気に対する感覚的消臭効果を有することが好ましい。変調剤は、ギ酸、ｎ−吉草酸、トリメチルアミン、及び２−ピロリドンを含む臭気に対する感覚的消臭効果を有することで、ギ酸、ｎ−吉草酸、トリメチルアミン、及び２−ピロリドンを含む臭気の不快感を和らげられ、ゴム臭気をより効果的に低減することが可能となる。 As described above, among rubbers, formic acid, n-valeric acid, trimethylamine, and 2-pyrrolidone are the main causes of the odorous components of natural rubber having a particularly strong rotting odor and pungent odor. The rubber odor modulator preferably has a sensory deodorizing effect on odors containing formic acid, n-valeric acid, trimethylamine, and 2-pyrrolidone. The modulator has a sensory deodorizing effect on odors containing formic acid, n-valeric acid, trimethylamine, and 2-pyrrolidone, thereby causing odor discomfort containing formic acid, n-valeric acid, trimethylamine, and 2-pyrrolidone. It becomes possible to reduce the rubber odor more effectively.
本発明のゴム臭気の変調剤は、ウッディ・スパイシー調の香気成分を含むことを特徴とするが、かかるウッディ・スパイシー調の香気成分は、種々の香料を適宜配合することで調製できる。変調剤中の、香料の含有率は、使用する香料の香りの強度にもよるが、通常は、１〜５０質量％の範囲が好ましく、５〜２０質量％の範囲が更に好ましい。 The rubber odor modulator of the present invention is characterized by containing a woody spicy scent component, and the woody spicy scent component can be prepared by appropriately blending various fragrances. The content of the fragrance in the modulator depends on the intensity of the fragrance of the fragrance used, but is usually preferably in the range of 1 to 50% by mass, more preferably in the range of 5 to 20% by mass.
本発明のゴム臭気の変調剤は、ジュニパーベリーオイル、リナリルアセテート、及びエストラゴンオイルからなる第１の群から選択される少なくとも１種を含むことが好ましい。変調剤が、第１の群から選択される少なくとも１種を含む場合、スパイシー調の香りを形成し易くなり、ゴム臭気をより効果的に低減することが可能となる。前記第１の群から選択される物質は、１種単独でもよいし、２種以上の組み合わせでもよい。
本発明のゴム臭気の変調剤中の、前記第１の群から選択される物質の含有率（複数の物質を含む場合は、合計含有率）は、１〜２０質量％の範囲が好ましく、２〜１５質量％の範囲が更に好ましく、３〜１０質量％の範囲が特に好ましい。
The rubber odor modulator of the present invention preferably contains at least one selected from the first group consisting of juniper berry oil, linaryl acetate, and estragon oil. When the modulator contains at least one selected from the first group, it is easy to form a spicy scent, and the rubber odor can be reduced more effectively. The substance selected from the first group may be one kind alone or a combination of two or more kinds.
The content of the substance selected from the first group (in the case of containing a plurality of substances, the total content) in the rubber odor modulator of the present invention is preferably in the range of 1 to 20% by mass, 2 The range of ~ 15% by mass is more preferable, and the range of 3 to 10% by mass is particularly preferable.
本発明のゴム臭気の変調剤は、シナモンカッシア（「シナニッケイ」とも呼ばれる）、ピンクペッパー抽出物、及びブラックペッパー抽出物からなる第２の群から選択される少なくとも１種を含むことが好ましい。変調剤が、第２の群から選択される少なくとも１種を含む場合、スパイシー調の香りを形成し易くなり、ゴム臭気をより効果的に低減することが可能となる。前記第２の群から選択される物質は、１種単独でもよいし、２種以上の組み合わせでもよい。
本発明のゴム臭気の変調剤中の、前記第２の群から選択される物質の含有率（複数の物質を含む場合は、合計含有率）は、０．１〜１０質量％の範囲が好ましく、０．５〜５質量％の範囲が更に好ましく、０．７〜３質量％の範囲が特に好ましい。
The rubber odor modulator of the present invention preferably comprises at least one selected from the second group consisting of cinnamon cassia (also referred to as "cinnamon"), pink pepper extract, and black pepper extract. When the modulator contains at least one selected from the second group, it is easy to form a spicy scent, and the rubber odor can be reduced more effectively. The substance selected from the second group may be one kind alone or a combination of two or more kinds.
The content of the substance selected from the second group (in the case of containing a plurality of substances, the total content) in the rubber odor modulator of the present invention is preferably in the range of 0.1 to 10% by mass. , 0.5 to 5% by mass is more preferable, and 0.7 to 3% by mass is particularly preferable.
本発明のゴム臭気の変調剤は、バニリン、及びヒノキ抽出物からなる第３の群から選択される少なくとも１種を含むことが好ましい。変調剤が、第３の群から選択される少なくとも１種を含む場合、ウッディ調の香りを形成し易くなり、ゴム臭気をより効果的に低減することが可能となる。前記第３の群から選択される物質は、１種単独でもよいし、２種の組み合わせでもよい。
本発明のゴム臭気の変調剤中の、前記第３の群から選択される物質の含有率（複数の物質を含む場合は、合計含有率）は、０．５〜１５質量％の範囲が好ましく、１〜８質量％の範囲が更に好ましく、１．５〜５質量％の範囲が特に好ましい。
The rubber odor modulator of the present invention preferably contains at least one selected from the third group consisting of vanillin and cypress extract. When the modulator contains at least one selected from the third group, it is easy to form a woody scent, and the rubber odor can be reduced more effectively. The substance selected from the third group may be one kind alone or a combination of two kinds.
The content of the substance selected from the third group (in the case of containing a plurality of substances, the total content) in the rubber odor modulator of the present invention is preferably in the range of 0.5 to 15% by mass. , 1 to 8% by mass is more preferable, and 1.5 to 5% by mass is particularly preferable.
本発明のゴム臭気の変調剤は、前記第１の群から選択される少なくとも１種と、前記第２の群から選択される少なくとも１種と、前記第３の群から選択される少なくとも１種と、を含むことが特に好ましい。変調剤が、前記第１の群から選択される少なくとも１種と、前記第２の群から選択される少なくとも１種と、前記第３の群から選択される少なくとも１種と、を含む場合、ウッディ・スパイシー調の香りが特に形成し易く、また、ゴム臭気をより一層効果的に低減することが可能となる。
ここで、第１の群から選択される物質と、第２の群から選択される物質と、第３の群から選択される物質と、の質量比（第１の群：第２の群：第３の群）は、第２の群から選択される物質を基準として、３〜５：１：１〜３の範囲が好ましい。
The rubber odor modulator of the present invention is at least one selected from the first group, at least one selected from the second group, and at least one selected from the third group. And, are particularly preferred. When the modulator comprises at least one selected from the first group, at least one selected from the second group, and at least one selected from the third group. A woody spicy scent is particularly easy to form, and the rubber odor can be reduced even more effectively.
Here, the mass ratio of the substance selected from the first group, the substance selected from the second group, and the substance selected from the third group (first group: second group: The third group) is preferably in the range of 3 to 5: 1: 1 to 3 based on the substance selected from the second group.
上述の通り、ウッディ・スパイシー調の香気成分は、種々の香料を適宜配合することで調製できるが、本発明のゴム臭気の変調剤においては、単独でウッディ・スパイシー調の香気成分を含む香料を、１種単独で使用してもよい。
ここで、スパイシー調の香気成分を含む香料としては、β−カリオフィレン、シンナムアルデヒド、クミンアルデヒド、オイゲノール、イソオイゲノール、ペリルアルデヒド、カルダモン油、丁子油、ショウガ抽出物、黒コショウ抽出物、ベルガモット抽出物、シナモン抽出物、ナツメグ抽出物、クローブ抽出物等が挙げられる。
また、ウッディ調の香気成分を含む香料としては、アンバーコア、アンバーエクストリーム、アンブロキサン、バクダノール、セドランバー、セダノール、エバノール、ヒンジノール、ヒノキチオール、ジャバノール、ノーリンバノールデキストロ、オシロール、パッチョン、ポリアンブロール、α−ピネン、β−ピネン、サンダルマイソールコア、サンダロール、サンタレックスＴ、オルビトン、セダーウッド油、パチュリ油、ビャクダン油、ベチベル油、ヒノキ抽出物、ベチバー抽出物、アイビーリーフ抽出物等が挙げられる。
更には、上記のスパイシー調の香気成分を含む香料と、ウッディ調の香気成分を含む香料を混合して、ウッディ・スパイシー調の香気成分となるように調整して、使用してもよい。
As described above, the woody spicy fragrance component can be prepared by appropriately blending various fragrances, but in the rubber odor modulator of the present invention, the fragrance containing the woody spicy fragrance component alone is used. One type may be used alone.
Here, examples of the fragrance containing a spicy aroma component include β-cariophyllene, cinnamaldehyde, cuminaldehyde, eugenol, isoeugenol, perylaldehyde, cardamon oil, clove oil, ginger extract, black pepper extract, and bergamot extract. , Cinnamon extract, nutmeg extract, clove extract and the like.
In addition, as fragrances containing woody-like aroma components, amber core, amber extreme, ambroxane, bacdanol, sedrumber, sedanol, evanol, pinene, hinoki thiol, Javanol, norin vanol dextro, osyrol, patchon, polyambrol, α -Pinene, β-Pinene, sandals mysole core, sandalol, Santalex T, orbiton, cedar wood oil, patchouli oil, biakdan oil, vetiver oil, cypress extract, vetiver extract, ivy leaf extract and the like.
Further, the above-mentioned fragrance containing a spicy-like fragrance component and a fragrance containing a woody-like fragrance component may be mixed and adjusted to have a woody-spicy-like fragrance component before use.
本発明のゴム臭気の変調剤は、上記香料成分の臭気強度を和らげるために、希釈剤（溶媒）を含んでもよい。該希釈剤としては、ジプロピレングリコール（ＤＰＧ）、流動パラフィン、エタノール、プロピレングリコール、１，２−ブチレングリコール、グリセロール、ジエチレングリコールモノエチルエーテル、ジエチルフタレート、イソプロピルミリステート、トリエチルシトレート、ベンジルベンゾエート、ベンジルアセテート等が挙げられ、これらの中でも、ジプロピレングリコール（ＤＰＧ）が好ましい。これら希釈剤は、１種単独でもよいし、２種以上の組み合わせでもよい。
希釈剤を含む場合、変調剤中の、希釈剤の含有率は、５０〜９９質量％の範囲が好ましく、８０〜９５質量％の範囲が更に好ましい。
The rubber odor modulator of the present invention may contain a diluent (solvent) in order to soften the odor intensity of the fragrance component. Examples of the diluent include dipropylene glycol (DPG), liquid paraffin, ethanol, propylene glycol, 1,2-butylene glycol, glycerol, diethylene glycol monoethyl ether, diethylphthalate, isopropylmillistate, triethylcitrate, benzylbenzoate, and benzyl. Examples thereof include acetate, and among these, dipropylene glycol (DPG) is preferable. These diluents may be used alone or in combination of two or more.
When a diluent is contained, the content of the diluent in the modulator is preferably in the range of 50 to 99% by mass, more preferably in the range of 80 to 95% by mass.
本発明のゴム臭気の変調剤は、上述した香料、希釈剤（溶媒）の他、目的に応じて添加剤を含んでもよい。かかる添加剤としては、酸化防止剤等が挙げられる。 The rubber odor modulator of the present invention may contain an additive in addition to the above-mentioned fragrance and diluent (solvent) depending on the purpose. Examples of such additives include antioxidants and the like.
本発明のゴム臭気の変調剤は、上述の通り、ゴムの中でも、腐敗臭や刺激臭が特に強い天然ゴムの臭気を効果的に低減できる。従って、本発明のゴム臭気の変調剤は、天然ゴムの他、種々のゴムの臭気の低減にも利用できる。 As described above, the rubber odor modulator of the present invention can effectively reduce the odor of natural rubber, which has a particularly strong putrid odor and pungent odor among rubbers. Therefore, the rubber odor modulator of the present invention can be used to reduce the odor of various rubbers as well as natural rubber.
＜ゴム臭気の変調方法＞
本発明のゴム臭気の変調方法は、上記のゴム臭気の変調剤を用いることを特徴とする。本発明のゴム臭気の変調方法においては、上述の変調剤を用いることで、ゴムの臭気を効果的に低減することができる。
前記変調剤の使用形態は、特に限定されるものではなく、一実施形態においては、ゴム臭気を含む気体や液体と、変調剤とを接触させて、ゴム臭気を低減する。例えば、ゴム臭気が放たれる工場の排気口、煙突等に、変調剤を噴霧することで、ゴム臭気の不快感を効果的に低減することが可能となる。
また、変調剤を含む浴を、ゴム臭気を含む気体が通過するようにして、ゴム臭気を含む気体と、変調剤とを接触させて、ゴム臭気を低減することもできる。
また、変調剤を洗浄液として、スクラバーに充填して、ゴム臭気を有する気体を、スクラバーを通過させるようにして、ゴム臭気を低減することもできる。
<Rubber odor modulation method>
The method for modulating the rubber odor of the present invention is characterized by using the above-mentioned rubber odor modulator. In the method for modulating the rubber odor of the present invention, the odor of rubber can be effectively reduced by using the above-mentioned modulator.
The mode of use of the modulator is not particularly limited, and in one embodiment, the rubber odor is reduced by bringing the gas or liquid containing the rubber odor into contact with the modulator. For example, by spraying a modulator on an exhaust port, a chimney, or the like of a factory where a rubber odor is emitted, it is possible to effectively reduce the discomfort of the rubber odor.
It is also possible to reduce the rubber odor by allowing the gas containing the rubber odor to pass through the bath containing the modulator and bringing the gas containing the rubber odor into contact with the modulator.
It is also possible to reduce the rubber odor by filling the scrubber with a modulator as a cleaning liquid and allowing a gas having a rubber odor to pass through the scrubber.
＜ゴム臭気の変調装置＞
本発明のゴム臭気の変調装置は、上記のゴム臭気の変調剤を有し、該変調剤を噴霧する噴霧手段を具えることを特徴とする。本発明のゴム臭気の変調装置によれば、ゴムの臭気に対して、上述の変調剤を噴霧することで、ゴムの臭気を低減することができる。該ゴム臭気の変調装置は、前記ゴム臭気の変調剤を有するが、例えば、容器中に変調剤を収容し、該容器を、変調装置中の任意の位置に配置することができる。
また、前記噴霧手段としては、特に制限はなく、スプレー、シャワー等が挙げられる。
前記ゴム臭気の変調装置は、更に他の構成部品を具えてもよく、かかる構成部品としては、変調剤を収容する容器と噴霧手段とを連結する流路、噴霧手段からの変調剤の噴霧量を制御する制御手段（流量調節機、温度調節機等）等が挙げられる。
<Rubber odor modulator>
The rubber odor modulator of the present invention is characterized by having the above-mentioned rubber odor modulator and comprising a spraying means for spraying the modulator. According to the rubber odor modulator of the present invention, the odor of rubber can be reduced by spraying the above-mentioned modulator on the odor of rubber. The rubber odor modulator has the rubber odor modulator, for example, the modulator can be housed in a container and the container can be placed at any position in the modulator.
The spraying means is not particularly limited, and examples thereof include a spray and a shower.
The rubber odor modulator may further include other components, such as a flow path connecting a container accommodating the modulator and the spray means, and an amount of the modulator sprayed from the spray means. Control means (flow rate controller, temperature controller, etc.) for controlling the above can be mentioned.
以下に、実施例を挙げて本発明を更に詳しく説明するが、本発明は下記の実施例に何ら限定されるものではない。 Hereinafter, the present invention will be described in more detail with reference to examples, but the present invention is not limited to the following examples.
＜１．ゴム臭気寄与物質の検討＞
（１）天然ゴム臭気の模擬臭の調製
ゴムの中でも、腐敗臭や刺激臭が特に強い天然ゴムの臭気成分として、ギ酸、ｎ−吉草酸、トリメチルアミン、及び２−ピロリドンが知られているが、各化学物質の臭気への寄与度を検討した。
まず、表１に示す配合処方の臭気組成物を調製した。該臭気組成物は、臭気が強すぎるため、該臭気組成物を流動パラフィンで１０倍希釈し、臭気強度３に調整して、天然ゴム臭気の模擬臭を作製した。
<1. Examination of rubber odor contributing substances>
(1) Preparation of simulated odor of natural rubber odor Among rubbers, formic acid, n-valeric acid, trimethylamine, and 2-pyrrolidone are known as odor components of natural rubber having a particularly strong rotting odor and pungent odor. The contribution of each chemical substance to the odor was examined.
First, an odor composition having a formulation shown in Table 1 was prepared. Since the odor composition has too strong an odor, the odor composition was diluted 10-fold with liquid paraffin and adjusted to an odor intensity of 3 to prepare a simulated odor of a natural rubber odor.
（２）寄与物質検討用サンプルの調製
上記模擬臭の作製に使用した物質から、１物質ずつ除いたサンプルを調製し、上記模擬臭と同様に流動パラフィンで希釈して、寄与物質検討用サンプルを作製した。
(2) Preparation of sample for studying contributors Prepare a sample from which one substance is removed from the substances used to prepare the simulated odor, and dilute it with liquid paraffin in the same manner as the simulated odor to prepare a sample for studying contributors. Made.
（３）臭気強度、快・不快度、容認性、臭いの質の評価
臭気強度を調整した天然ゴムの模擬臭と、各寄与物質検討用サンプルと、のそれぞれを臭い紙に付着させ、臭気強度、快・不快度、容認性、臭いの質をパネルに評価してもらった。
各評価においては、パネル選定試験に合格した１８〜１９歳の男女２６名をパネルとした。
図１に、天然ゴム臭気の模擬臭と、寄与物質検討用サンプルと、の臭気強度の評価結果を示す。
また、図２に、天然ゴム臭気の模擬臭と、寄与物質検討用サンプルと、の快・不快度の評価結果を示す。
また、図３に、天然ゴム臭気の模擬臭と、寄与物質検討用サンプルと、の非容認率の評価結果を示す。
更に、図４に、天然ゴム臭気の模擬臭と、寄与物質検討用サンプルと、の臭いの質の評価結果を示す。
(3) Evaluation of odor intensity, pleasantness / discomfort, tolerance, and odor quality The simulated odor of natural rubber with adjusted odor intensity and the sample for examining each contributor are attached to odor paper, and the odor intensity is increased. The panel evaluated the comfort / discomfort, tolerance, and odor quality.
In each evaluation, 26 men and women aged 18 to 19 who passed the panel selection test were selected as panels.
FIG. 1 shows the evaluation results of the odor intensity of the simulated odor of natural rubber odor and the sample for examining contributing substances.
Further, FIG. 2 shows the evaluation results of the degree of comfort and discomfort of the simulated odor of natural rubber odor and the sample for examining contributing substances.
In addition, FIG. 3 shows the evaluation results of the unacceptability rate of the simulated odor of natural rubber odor and the sample for examining contributors.
Further, FIG. 4 shows the evaluation results of the odor quality of the simulated odor of the natural rubber odor and the sample for examining the contributor.
図１から、ｎ−吉草酸を除くことで、１段階以上臭気強度が下がることが分かる。
また、図２から、ギ酸、又はｎ−吉草酸を除くことで、１段階以上不快度が改善することが分かる。
これらの結果から、ｎ−吉草酸は、臭気強度、快・不快度において、天然ゴム臭気の模擬臭への寄与が最も高く、天然ゴム臭気の臭気強度、不快度に対する寄与が特に大きいことが分かる。
From FIG. 1, it can be seen that the odor intensity is reduced by one step or more by removing n-valeric acid.
Further, from FIG. 2, it can be seen that the degree of discomfort is improved by one step or more by removing formic acid or n-valeric acid.
From these results, it can be seen that n-valeric acid has the highest contribution to the simulated odor of natural rubber odor in terms of odor intensity and pleasantness / discomfort, and the contribution of natural rubber odor to odor intensity and discomfort is particularly large. ..
また、図３から、天然ゴム臭気の模擬臭からギ酸、又はｎ−吉草酸を除くことで、非容認率が２５％前後まで低下することが分かる。この結果から、ギ酸、ｎ−吉草酸は、非容認性においても、天然ゴム臭気の模擬臭への寄与が特に高いことが分かる。 Further, from FIG. 3, it can be seen that by removing formic acid or n-valeric acid from the simulated odor of the natural rubber odor, the unacceptable rate is reduced to around 25%. From this result, it can be seen that formic acid and n-valeric acid have a particularly high contribution to the simulated odor of the natural rubber odor even in the unacceptable state.
また、図４から、ギ酸、又はｎ−吉草酸を除いたサンプルと、トリメチルアミン、又は２−ピロリドンを除いたサンプルとでは、臭いの質が異なることが分かる。
特に、ギ酸、又はｎ−吉草酸を除くと、刺激臭、イソ吉草酸、腐敗臭、糞臭等の不快な評価が少なくなることから、ギ酸、ｎ−吉草酸は、天然ゴム臭気の模擬臭の臭いの質、特には、模擬臭の中の、刺激臭、イソ吉草酸、腐敗臭、糞臭等の不快な臭いに対する寄与も大きいことが分かる。
Further, from FIG. 4, it can be seen that the odor quality is different between the sample excluding formic acid or n-valeric acid and the sample excluding trimethylamine or 2-pyrrolidone.
In particular, when formic acid or n-valeric acid is removed, unpleasant evaluations such as pungent odor, isovaleric acid, rotting odor, and fecal odor are reduced. Therefore, formic acid and n-valeric acid are simulated odors of natural rubber odor. It can be seen that the quality of the odor, particularly the unpleasant odor such as pungent odor, isovaleric acid, rotten odor, and fecal odor, among the simulated odors, is greatly contributed.
＜２．感覚的消臭実験＞
（１）臭いサンプルの調製
表２に示す配合処方の臭いサンプルを調製し、上記の天然ゴム臭気の模擬臭の感覚的消臭実験を行った。
なお、比較対象である強度調整をした前記天然ゴム臭気の模擬臭と、各臭いサンプルに含まれる模擬臭の割合を合わせるため、模擬臭１０．０％、香料９０．０％の割合で作製した。この内、香料９０．０％が変調剤に相当し、いずれも主としてスパイシー調の香調を有しており、より程度は低いもののウッディ調の香調も有していた。
ここで、「割合」は、「質量の割合」を意味する。
<2. Sensory deodorant experiment ＞
(1) Preparation of odor sample An odor sample having the formulation shown in Table 2 was prepared, and a sensory deodorization experiment of the simulated odor of the above-mentioned natural rubber odor was carried out.
In addition, in order to match the ratio of the simulated odor of the natural rubber odor whose strength was adjusted and the simulated odor contained in each odor sample, the simulated odor was produced at a ratio of 10.0% and a fragrance of 90.0%. .. Of these, 90.0% of the fragrances corresponded to the modulators, all of which mainly had a spicy scent, and to a lesser extent, also had a woody scent.
Here, "ratio" means "ratio of mass".
＊１ 天然ゴム模擬臭組成物： 表１に示す配合の組成物
＊２ ジュニパーベリーオイル： ジュニパーベリーオイルを１０質量％の濃度で、ジプロピレングリコール（ＤＰＧ）に希釈したもの
＊３ リナリルアセテート： リナリルアセテートを１０質量％の濃度で、ジプロピレングリコール（ＤＰＧ）に希釈したもの
＊４ エストラゴンオイル： エストラゴンオイルを１０質量％の濃度で、ジプロピレングリコール（ＤＰＧ）に希釈したもの
＊５ シナモンカッシア： シナモンカッシアを１０質量％の濃度で、ジプロピレングリコール（ＤＰＧ）に希釈したもの
＊６ ピンクペッパー抽出物： ピンクペッパー抽出物を１０質量％の濃度で、ジプロピレングリコール（ＤＰＧ）に希釈したもの
＊７ ブラックペッパー抽出物： ブラックペッパー抽出物を１０質量％の濃度で、ジプロピレングリコール（ＤＰＧ）に希釈したもの
＊８ バニリン： バニリンを１０質量％の濃度で、ジプロピレングリコール（ＤＰＧ）に希釈したもの
＊９ ヒノキ抽出物： ヒノキ抽出物を１０質量％の濃度で、ジプロピレングリコール（ＤＰＧ）に希釈したもの
* 1 Natural rubber simulated odor composition: Composition with the composition shown in Table 1 * 2 Juniper berry oil: Juniper berry oil diluted with dipropylene glycol (DPG) at a concentration of 10% by
（２）臭気強度、快・不快度、容認性、臭いの質の評価
臭気強度を調整した天然ゴム臭気の模擬臭と、天然ゴム臭気の模擬臭を用いて調香を行った各臭いサンプルと、市販の消臭剤（シキボウ株式会社製、商品名「デオマジック」）を用いて調香を行った臭いサンプルと、に対して官能評価実験を行った。臭い紙に各サンプルを付着させ、臭気強度、快・不快度、容認性、臭いの質をパネルに評価してもらい、更に、臭いから感じたことを、自由記述してもらった。
各評価においては、パネル選定試験に合格した１８〜１９歳の男女２５名をパネルとした。
図５に、天然ゴム臭気の模擬臭と、市販の消臭剤を用いたサンプルと、実施例１〜３の臭いサンプルと、の臭気強度の評価結果を示す。
また、図６に、天然ゴム臭気の模擬臭と、市販の消臭剤を用いたサンプルと、実施例１〜３の臭いサンプルと、の快・不快度の評価結果を示す。
また、図７に、天然ゴム臭気の模擬臭と、市販の消臭剤を用いたサンプルと、実施例１〜３の臭いサンプルと、の非容認率の評価結果を示す。
更に、図８に、天然ゴム臭気の模擬臭と、市販の消臭剤を用いたサンプルと、実施例１の臭いサンプルと、の臭いの質の評価結果を示す。
(2) Evaluation of odor intensity, pleasantness / discomfort, tolerance, and odor quality A simulated odor of natural rubber odor with adjusted odor intensity and each odor sample adjusted using the simulated odor of natural rubber odor. , A sensory evaluation experiment was conducted on an odor sample that had been scented with a commercially available deodorant (manufactured by Shikibo Co., Ltd., trade name "Deomagic"). Each sample was attached to odor paper, and the panel was asked to evaluate the odor intensity, pleasantness / discomfort, tolerability, and odor quality, and to freely describe what they felt from the odor.
In each evaluation, 25 men and women aged 18 to 19 who passed the panel selection test were selected as panels.
FIG. 5 shows the evaluation results of the odor intensity of the simulated odor of natural rubber odor, the sample using a commercially available deodorant, and the odor samples of Examples 1 to 3.
Further, FIG. 6 shows the evaluation results of the pleasantness / discomfort of the simulated odor of natural rubber odor, the sample using a commercially available deodorant, and the odor sample of Examples 1 to 3.
Further, FIG. 7 shows the evaluation results of the unacceptability rate of the simulated odor of natural rubber odor, the sample using a commercially available deodorant, and the odor sample of Examples 1 to 3.
Further, FIG. 8 shows the evaluation results of the odor quality of the simulated odor of natural rubber odor, the sample using a commercially available deodorant, and the odor sample of Example 1.
図６から、実施例１〜３の臭いサンプルは、臭気強度を調整した天然ゴム臭気の模擬臭と比較して、１段階以上不快度が改善することが分かる。また、実施例１〜３の臭いサンプルは、芳香消臭脱臭剤協議会の判定基準を満たしていた。
また、図７から、実施例１〜３の臭いサンプルは、非容認率が約２０％まで下がることが分かり、日本建築学会臭気規準である非容認率２０％以下の基準まで改善できることが分かる。
これらの結果から、本発明に従うゴム臭気の変調剤は、天然ゴム臭気の模擬臭の快・不快度の軽減に加え、非容認率の低下にも有効であることが分かる。
From FIG. 6, it can be seen that the odor samples of Examples 1 to 3 have one or more steps of improvement in discomfort as compared with the simulated odor of the natural rubber odor whose odor intensity has been adjusted. In addition, the odor samples of Examples 1 to 3 satisfied the criteria of the Aroma Deodorant Deodorant Council.
Further, from FIG. 7, it can be seen that the odor samples of Examples 1 to 3 have a non-acceptance rate of about 20%, which can be improved to a standard of 20% or less of the odor standard of the Architectural Institute of Japan.
From these results, it can be seen that the rubber odor modulator according to the present invention is effective not only in reducing the pleasantness and discomfort of the simulated odor of natural rubber odor, but also in reducing the unacceptability rate.
また、図８から、天然ゴム臭気の模擬臭と、快・不快度において効果の高かった実施例１の臭いサンプルを比較したところ、悪臭を思わせる臭い質から、爽快感を思わせる臭い質へと変化しており、臭いの質の改善が見られた。
特に、実施例１の臭いサンプルは、刺激臭、イソ吉草酸、腐敗臭、糞臭等の不快な評価が少なく、上述のギ酸、ｎ−吉草酸の影響を和らげられていることが分かる。
Further, from FIG. 8, when the simulated odor of the natural rubber odor and the odor sample of Example 1 which was highly effective in terms of pleasantness and discomfort were compared, the odor quality reminiscent of a bad odor changed to the odor quality reminiscent of a refreshing feeling. The quality of the odor was improved.
In particular, it can be seen that the odor sample of Example 1 has few unpleasant evaluations such as pungent odor, isovaleric acid, putrefactive odor, and fecal odor, and the effects of the above-mentioned formic acid and n-valeric acid are alleviated.
（３）パネラーによる自由記述の分類
更に、パネラーの自由記述を、「菓子」、「ナッツ」等の食べられる表現と、「フローラル」、「ウッディ」等の自然的な表現に分類した。結果を表３に示す。
(3) Classification of free descriptions by panelists Furthermore, the free descriptions of panelists were classified into edible expressions such as "confectionery" and "nuts" and natural expressions such as "floral" and "woody". The results are shown in Table 3.
表３に示すように、市販の消臭剤を用いたサンプルでは、自然的な表現は少なく、食べられる表現が多かったのに対し、実施例１の臭いサンプルでは、食べられる表現と自然的な表現が同程度見られ、特徴が異なることが分かった。特に、実施例１の臭いサンプルでは、自然的な表現が多かったことから、本発明に従うゴム臭気の変調剤は、工場からの排気を、自然に感じられるようにするのに有効であることが分かる。 As shown in Table 3, in the sample using a commercially available deodorant, there were few natural expressions and many edible expressions, whereas in the odor sample of Example 1, the edible expressions and natural expressions were natural. It was found that the expressions were seen to the same extent and the characteristics were different. In particular, since the odor sample of Example 1 had many natural expressions, the rubber odor modulator according to the present invention is effective in making the exhaust from the factory feel natural. I understand.
本発明の変調剤は、ゴム臭気の低減に利用できる。 The modulator of the present invention can be used to reduce rubber odor.
Claims (7)
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| JP2019189745A (en) * | 2018-04-24 | 2019-10-31 | 住友ゴム工業株式会社 | Manufacturing method of natural rubber composition and rubber composition for tire using the same |
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| JPS50160434A (en) * | 1974-06-21 | 1975-12-25 | ||
| JP2005160845A (en) * | 2003-12-04 | 2005-06-23 | Sagami Gomme Kogyo Kk | Condom where rubber smell is masked with perfume ingredient having physiological effect, and lubricant for condom |
| JP2012180420A (en) * | 2011-02-28 | 2012-09-20 | Bridgestone Corp | Method of deodorizing rubber and method of producing cleaned air |
| JP2019099718A (en) * | 2017-12-05 | 2019-06-24 | 住友ゴム工業株式会社 | Rubber composition for tire and tire |
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