JPH05309266A - Deodorant - Google Patents
DeodorantInfo
- Publication number
- JPH05309266A JPH05309266A JP4137599A JP13759992A JPH05309266A JP H05309266 A JPH05309266 A JP H05309266A JP 4137599 A JP4137599 A JP 4137599A JP 13759992 A JP13759992 A JP 13759992A JP H05309266 A JPH05309266 A JP H05309266A
- Authority
- JP
- Japan
- Prior art keywords
- hydroxyapatite
- lower fatty
- fatty acids
- deodorant
- apatite hydroxide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Landscapes
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Treating Waste Gases (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
Description
【0001】[0001]
【産業上の利用分野】本発明は、悪臭物質である低級脂
肪酸に対して良好な脱臭効果を有する脱臭剤に関する。TECHNICAL FIELD The present invention relates to a deodorant having a good deodorizing effect on lower fatty acids which are malodorous substances.
【0002】[0002]
【従来の技術】近年生活環境の向上及び改善の目的で種
々の業務用、家庭用脱臭剤に対するニーズが高まってい
る。2. Description of the Related Art In recent years, there is an increasing need for various commercial and domestic deodorants for the purpose of improving and improving the living environment.
【0003】脱臭法を大別すると、芳香剤やマスキング
剤を用いた感覚的脱臭法、中和反応等の化学反応を利用
した化学的脱臭法、物理吸着を利用した物理吸着脱臭
法、微生物分解作用を利用した生物的脱臭法が知られて
いる。The deodorizing method is roughly classified into a sensory deodorizing method using an aromatic agent and a masking agent, a chemical deodorizing method utilizing a chemical reaction such as a neutralization reaction, a physical adsorption deodorizing method utilizing physical adsorption, and a microbial decomposition. A biological deodorizing method utilizing the action is known.
【0004】これらのうち、マスキング剤を用いた感覚
的脱臭法は悪臭成分の直接除去とは異なる方法であり、
マスキング剤の臭いに対する好悪もあり根本的解決とは
ならない。また、生物的脱臭方法は設備面で大掛かりと
なり汎用性に乏しい。Among these, the sensory deodorizing method using a masking agent is a method different from the direct removal of the malodorous component,
It is not a fundamental solution because it has a bad taste for the odor of masking agents. In addition, the biological deodorizing method requires a large amount of equipment and is not versatile.
【0005】従って、一般的な脱臭法、特に家庭用とし
ては、化学的脱臭法、物理吸着脱臭法が優れていると言
える。Therefore, it can be said that the general deodorizing method, especially for household use, is superior to the chemical deodorizing method and the physical adsorption deodorizing method.
【0006】プロピオン酸、酪酸、カプロン酸、イソ吉
草酸等の低級脂肪酸は、体臭等の悪臭成分である。Lower fatty acids such as propionic acid, butyric acid, caproic acid and isovaleric acid are malodorous components such as body odor.
【0007】これらの低級脂肪酸を、物理吸着脱臭法も
しくは化学的脱臭法により脱臭する材料としては、「消
・脱臭技術の進歩と実務」、総合技術センター発行、2
23―259 319―332 425―426 44
2―447(1991)の記載のように、酸化亜鉛等の
固体塩基や活性炭が知られているが、前者は塩基性酸化
物であることから皮膚刺激性、蒸気の毒性を有するため
に安全性に問題があり、後者は、使用条件により一旦吸
着した低級脂肪酸を放出する場合があり、黒色であるた
め使用に嫌悪感を伴い使用箇所が限られる等の問題点が
ある。As materials for deodorizing these lower fatty acids by a physical adsorption deodorizing method or a chemical deodorizing method, "Advance and practice of deodorizing technology", published by General Technology Center, 2
23-259 319-332 425-426 44
As described in 2-447 (1991), solid bases such as zinc oxide and activated carbon are known, but the former are basic oxides and therefore have skin irritation and vapor toxicity. In the latter case, the lower fatty acid once adsorbed may be released depending on the use conditions, and since it is black, there is a problem in that it has an aversion to use and the places of use are limited.
【0008】[0008]
【発明が解決しようとする課題】本発明は、低級脂肪酸
に対して優れた脱臭効果を有し、しかも悪臭物質を再放
出せず、広範な箇所で使用可能である、安価で安全性の
高い脱臭剤を提供する事を目的とするものである。The present invention has an excellent deodorizing effect on lower fatty acids, does not re-emit odorous substances, and can be used in a wide range of places. It is inexpensive and highly safe. The purpose is to provide a deodorant.
【0009】[0009]
【課題を解決するための手段】本発明は、水酸アパタイ
トを含有したことを特徴とする脱臭剤である。DISCLOSURE OF THE INVENTION The present invention is a deodorant containing hydroxyapatite.
【0010】水酸アパタイトとは、Ca10(PO4)
6(OH)2で示され、Ca/Pモル比が1.67の基本
組成を持つ、六方晶系P63/mに属する化合物群を指
す。Hydroxyapatite is Ca 10 (PO 4 )
A group of compounds belonging to the hexagonal system P6 3 / m, which is represented by 6 (OH) 2 and has a basic composition with a Ca / P molar ratio of 1.67.
【0011】なお、化学組成が基本組成から変動したも
の(Ca/Pモル比<1.67)でも、結晶構造がアパ
タイト構造を示せば水酸アパタイトに分類されるが、本
発明で用いる水酸アパタイトは、これらの化学組成が変
動したものも含むものである。Even if the chemical composition varies from the basic composition (Ca / P molar ratio <1.67), if the crystal structure shows an apatite structure, it is classified as hydroxyapatite. Apatite includes those having a change in their chemical composition.
【0012】[0012]
【作用】悪臭成分である低級脂肪酸は、水酸アパタイト
の表面に吸着される。The lower fatty acid, which is a malodorous component, is adsorbed on the surface of hydroxyapatite.
【0013】この際、低級脂肪酸のカルボキシル基(―
COOH)と水酸アパタイト表面のCa2+ サイトとPO
4 3-サイトが作用し強固に吸着されると考えられる。At this time, the carboxyl group (-
COOH) and Ca on the surface of hydroxyapatite2+ Site and PO
Four 3-It is considered that the site acts and is strongly adsorbed.
【0014】Ca/Pモル比が1.67未満の水酸アパ
タイトの場合、上記のCa2+サイトとPO4 3-サイトに
加え、構造の変動により生じた電気的不均衡を補償する
ためにH+サイトが生じる。In the case of hydroxyapatite having a Ca / P molar ratio of less than 1.67, in addition to the above Ca 2+ sites and PO 4 3 -sites, in order to compensate for the electrical imbalance caused by the structural change. H + sites arise.
【0015】このH+サイトの作用により、さらに強固
に低級脂肪酸が吸着されると考えられる。It is considered that the lower fatty acid is more strongly adsorbed by the action of this H + site.
【0016】以上の理由から本発明に用いる水酸アパタ
イトの好ましい形状は、低結晶質、微細結晶、高比表面
積のものであり、また化学組成としては、化学的活性が
優れるCa/Pモル比が1.67未満のものが好まし
い、さらに好ましくはCa/Pモル比が1.55未満の
ものである。For the above reasons, the preferred shape of the hydroxyapatite used in the present invention is low crystalline, fine crystalline and high specific surface area, and the chemical composition is such that the Ca / P molar ratio is excellent in chemical activity. Is preferably less than 1.67, more preferably a Ca / P molar ratio of less than 1.55.
【0017】本発明に用いる水酸アパタイトは、乾式固
相反応法、湿式沈殿反応法、湿式加水分解法、水熱加水
分解法等、一般的に知られている合成法で合成すること
ができる。The hydroxyapatite used in the present invention can be synthesized by a generally known synthesis method such as a dry solid phase reaction method, a wet precipitation reaction method, a wet hydrolysis method, a hydrothermal hydrolysis method and the like. ..
【0018】その中でも、湿式沈殿反応法および湿式加
水分解法は、形状が低結晶質、微細結晶、高比表面積
で、また化学組成として化学的活性が優れるCa/Pモ
ル比が1.67未満の水酸アパタイトが得やすいため、
本発明に用いる水酸アパタイトの合成に適している。Among them, the wet precipitation reaction method and the wet hydrolysis method have low crystallinity, fine crystals, high specific surface area and excellent chemical activity as a chemical composition, and have a Ca / P molar ratio of less than 1.67. Since it is easy to obtain the hydroxyapatite of
It is suitable for the synthesis of hydroxyapatite used in the present invention.
【0019】水酸アパタイトは、生体骨の無機成分のア
パタイトに近い組成と構造を持つため、生体になじみや
すく、粉末、顆粒またはバルクの形で人工骨や人工歯根
などの材料として注目され盛んに研究されている。Hydroxyapatite has a composition and structure similar to apatite, which is an inorganic component of living bones, and therefore is easily adapted to the living body, and has been widely noticed as a material such as artificial bones and artificial roots in the form of powder, granules or bulk. Being researched.
【0020】このように水酸アパタイトは安全性が高
く、長期間安定であり、かつ自身は白色であり無臭であ
る。As described above, hydroxyapatite is highly safe, stable for a long period of time, and is white and odorless.
【0021】また、水酸アパタイトは、熱的に非常に安
定であり、900℃で焼成してもその構造は保たれる。Hydroxyapatite is also very stable thermally and its structure is maintained even if it is fired at 900 ° C.
【0022】このため使用済みの水酸アパタイトを焼
成、スチーミング等の熱処理により再生することが可能
である。Therefore, it is possible to regenerate used hydroxyapatite by heat treatment such as firing and steaming.
【0023】本発明は、デオドラント等の体臭除去用脱
臭剤として、生ゴミ、トイレ、冷蔵庫、自動車内などの
家庭用脱臭剤として、あるいは汚水処理、鶏糞、パルプ
工場などの工業用脱臭剤等に使用できる。INDUSTRIAL APPLICABILITY The present invention is used as a deodorant for removing body odor such as deodorant, as a domestic deodorant for kitchen garbage, toilets, refrigerators, automobiles, etc. Can be used.
【0024】水酸アパタイトは、単独で用いてもよく、
他の脱臭剤と組み合わせて用いてもよい。Hydroxyapatite may be used alone,
It may be used in combination with other deodorants.
【0025】[0025]
【実施例】次に実施例により本発明を詳細に説明する。The present invention will be described in detail with reference to examples.
【0026】(1)加水分解法による水酸アパタイトの
調製例 リン酸水素カルシウム・二水和物80gを400mlの
蒸留水に加えた後、アンモニア水を加え、pH8.5に
調製し、40℃で3時間加熱攪拌した。(1) Preparation Example of Hydroxyapatite by Hydrolysis Method After adding 80 g of calcium hydrogen phosphate dihydrate to 400 ml of distilled water, ammonia water was added to adjust the pH to 8.5, and 40 ° C. The mixture was heated and stirred for 3 hours.
【0027】得られた白色固体を水洗、濾別した後12
0℃で真空乾燥した。乾燥した後、空気中550℃で焼
成することにより水酸アパタイト50gを得た。The white solid obtained was washed with water and filtered to obtain 12
It was vacuum dried at 0 ° C. After drying, it was baked in air at 550 ° C. to obtain 50 g of hydroxyapatite.
【0028】得られた水酸アパタイトのCa/Pモル比
は、1.51であった。The Ca / P molar ratio of the obtained hydroxyapatite was 1.51.
【0029】(2)沈殿反応法による水酸アパタイトの
調製 12wt%の硝酸カルシウム・四水和物水溶液500m
lを、500mlの7wt%のリン酸水素アンモニウム
水溶液に滴下した。アンモニア水を加えてpH9.0に
調製し、室温で24時間攪拌した。(2) Preparation of hydroxyapatite by precipitation reaction method 500 m of 12 wt% calcium nitrate tetrahydrate aqueous solution
1 was added dropwise to 500 ml of a 7 wt% ammonium hydrogenphosphate aqueous solution. Ammonia water was added to adjust the pH to 9.0, and the mixture was stirred at room temperature for 24 hours.
【0030】得られた白色固体を水洗、濾別した後、1
20℃で真空乾燥した。乾燥した後、空気中550℃で
焼成することにより水酸アパタイト25gを得た。The white solid obtained was washed with water, filtered off and
It was vacuum dried at 20 ° C. After drying, 25 g of hydroxyapatite was obtained by baking in air at 550 ° C.
【0031】得られた水酸アパタイトのCa/Pモル比
は、1.50であった。The Ca / P molar ratio of the obtained hydroxyapatite was 1.50.
【0032】[0032]
【実施例1、2、比較例1、2】各種の脱臭剤1gを1
lの真空ガス捕集ビンに入れ、系内を真空にした後、マ
イクロシリンジでイソ吉草酸3μl(約2.79mg)
を導入し気化させた。Examples 1 and 2 and Comparative Examples 1 and 2 1 g of various deodorants
It was put in a vacuum gas collection bottle of 1 l, and the inside of the system was evacuated.
Was introduced and vaporized.
【0033】系内に空気を導入し大気圧とし、1時間室
温で脱臭させた。脱臭剤を取りだし、0.5gづつに二
分割し、一方はそのままアルカリ抽出によりイソ吉草酸
を抽出しガスクロマトグラフィーにより定量し脱臭剤の
0.5gあたりの吸着量を求めた。Air was introduced into the system to bring it to atmospheric pressure, and it was deodorized at room temperature for 1 hour. The deodorant was taken out and divided into 0.5 g portions, and one part of the mixture was directly extracted with isovaleric acid by alkali extraction and quantified by gas chromatography to determine the adsorption amount of the deodorant per 0.5 g.
【0034】もう一方の試料は100℃で2時間真空脱
気した後、アルカリ抽出によりイソ吉草酸を抽出し、同
様に定量し、脱臭剤の0.5gあたりの脱気後の吸着量
を求めた。The other sample was vacuum degassed at 100 ° C. for 2 hours, and then isovaleric acid was extracted by alkali extraction, and the same determination was carried out to obtain the adsorption amount per 0.5 g of the deodorant after degassing. It was
【0035】また、真空ガス捕集ビンについてもアルカ
リ水溶液で洗浄して回収し同様に定量し、残存量を求め
た。The vacuum gas collecting bottle was also washed with an alkaline aqueous solution, collected, and similarly quantified to determine the remaining amount.
【0036】以上の実験結果より脱臭率、保持率を求め
た。The deodorization rate and retention rate were determined from the above experimental results.
【0037】[0037]
【数1】 [Equation 1]
【0038】[0038]
【数2】 [Equation 2]
【0039】脱臭剤として市販活性炭、酸化亜鉛(試薬
特級)、加水分解法により調製した水酸アパタイト、沈
殿反応法により調製した水酸アパタイトを用いた結果を
第1表に示す。Table 1 shows the results using commercial activated carbon, zinc oxide (special grade reagent), hydroxyapatite prepared by the hydrolysis method, and hydroxyapatite prepared by the precipitation reaction method as the deodorant.
【0040】[0040]
【表1】 [Table 1]
【0041】第1表から分かるように、水酸アパタイト
は、低級脂肪酸を効率良く、かつ強力に脱臭することが
判る。As can be seen from Table 1, hydroxyapatite efficiently and strongly deodorizes lower fatty acids.
【0042】[0042]
【発明の効果】本発明により、悪臭成分である低級脂肪
酸を効率良くかつ、再放出することなく強力に脱臭する
脱臭剤を提供することができる。Industrial Applicability According to the present invention, it is possible to provide a deodorizing agent that efficiently deodorizes lower fatty acids, which are malodorous components, and strongly deodorizes them without re-emission.
【0043】また、水酸アパタイト自身が白色で無臭で
あり、人体に対する安全性が非常に高いため、使用上の
制限が少なく、産業用や家庭用脱臭剤分野での意義は大
きい。Further, since hydroxyapatite itself is white and odorless and has a very high level of safety for the human body, there are few restrictions on its use, and its significance in the field of industrial and household deodorants is great.
Claims (2)
する脱臭剤。1. A deodorant containing hydroxyapatite.
1.67未満である請求項1記載の脱臭剤。2. The Ca / P molar ratio of hydroxyapatite is
The deodorant according to claim 1, which is less than 1.67.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4137599A JPH05309266A (en) | 1992-05-01 | 1992-05-01 | Deodorant |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4137599A JPH05309266A (en) | 1992-05-01 | 1992-05-01 | Deodorant |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH05309266A true JPH05309266A (en) | 1993-11-22 |
Family
ID=15202468
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4137599A Withdrawn JPH05309266A (en) | 1992-05-01 | 1992-05-01 | Deodorant |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH05309266A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1996037433A1 (en) * | 1995-05-22 | 1996-11-28 | Advance Co., Ltd. | Method of treating bone charcoal, product of said method, method of extracting apatite from untreated bone or bone ash, and apatitic material |
JP2013188652A (en) * | 2012-03-12 | 2013-09-26 | Gifu Prefecture | Decomposition method of volatile organic gas |
WO2020201103A1 (en) | 2019-03-29 | 2020-10-08 | Kalichem S.r.l. | Antiperspirant and deodorant compositions |
-
1992
- 1992-05-01 JP JP4137599A patent/JPH05309266A/en not_active Withdrawn
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1996037433A1 (en) * | 1995-05-22 | 1996-11-28 | Advance Co., Ltd. | Method of treating bone charcoal, product of said method, method of extracting apatite from untreated bone or bone ash, and apatitic material |
JP2013188652A (en) * | 2012-03-12 | 2013-09-26 | Gifu Prefecture | Decomposition method of volatile organic gas |
WO2020201103A1 (en) | 2019-03-29 | 2020-10-08 | Kalichem S.r.l. | Antiperspirant and deodorant compositions |
US11426337B2 (en) | 2019-03-29 | 2022-08-30 | Kalichem Srl | Antiperspirant and deodorant compositions |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 19990706 |