JP6895584B2 - 粉体含有体臭抑制剤 - Google Patents
粉体含有体臭抑制剤 Download PDFInfo
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- JP6895584B2 JP6895584B2 JP2020508954A JP2020508954A JP6895584B2 JP 6895584 B2 JP6895584 B2 JP 6895584B2 JP 2020508954 A JP2020508954 A JP 2020508954A JP 2020508954 A JP2020508954 A JP 2020508954A JP 6895584 B2 JP6895584 B2 JP 6895584B2
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- JP
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- Prior art keywords
- activated carbon
- titanium oxide
- body odor
- mass
- odor suppressant
- 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.)
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q15/00—Anti-perspirants or body deodorants
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Birds (AREA)
- Epidemiology (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Cosmetics (AREA)
Description
〔1〕酸化チタン被覆活性炭、カチオン性ポリマー、および水を含有する体臭抑制剤、
〔2〕酸化チタン被覆活性炭の含有量が0.10〜2.0質量%である、〔1〕記載の体臭抑制剤、
〔3〕カチオン性ポリマーの含有量が0.005〜0.090質量%である、〔1〕または〔2〕記載の体臭抑制剤。
〔4〕水の含有量が6.0質量%以上である、〔1〕〜〔3〕のいずれかに記載の体臭抑制剤、に関する。
本実施形態に係る体臭抑制剤における酸化チタン被覆活性炭は、従来の体臭抑制剤に用いられている消臭成分と比較して、格段に優れた体臭抑制効果を有する。本実施形態に係る体臭抑制剤は、さらに制汗剤や殺菌剤を含有することにより、体臭抑制効果をより一層向上することができる。このため、本実施形態に係る体臭抑制剤は、優れた体臭抑制効果を発揮することができる。
本実施形態に係る体臭抑制剤は、酸化チタン被覆活性炭および水に加え、カチオン性ポリマーを含有させることにより、再分散性および酸化チタン剥離抑制効果に優れる体臭抑制剤とすることができる。
本実施形態において使用する水としては、例えば、イオン交換水、限外濾過水、逆浸透水、蒸留水等の純水、超純水等が挙げられる。
本実施形態に係る体臭抑制剤は、酸化チタン被覆活性炭、カチオン性ポリマー、および水以外の成分を含んでいてもよい。その他の成分としては、例えば、エタノール、界面活性剤、油脂、炭化水素油、ロウ類、高級脂肪酸、エステル油、シリコーン油、高級アルコール、多価アルコール、ステロール類、保湿剤、増粘剤、殺菌剤、pH調整剤、無機顔料、色素、酸化防止剤、紫外線吸収剤、ビタミン類、収斂剤、美白剤、動植物抽出物、金属イオン封鎖剤、防腐剤、制汗成分、消臭成分、清涼化剤、香料等が挙げられる。
カチオン性ポリマー1:Lubrizol社製のMerquat 550PR(表示名称「ポリクオタニウム−7」、ジメチルジアリルアンモニウムクロライド/アクリルアミド共重合体)
カチオン性ポリマー2:Lubrizol社製のMerquat PLUS 3330(表示名称「ポリクオタニウム−39」、アクリル酸/塩化ジメチルジアリルアンモニウム/アクリルアミド共重合体)
アニオン性ポリマー:Lubrizol Advanced Materials社製のCARBOPOL 980 POLYMER(表示名称「カルボマー」)
活性炭(商品名「GW−B32/60」、クラレケミカル(株)製)を解砕機を用いて破砕し、さらに分級して、平均粒子径:40.9μmの活性炭(粉末活性炭)を得た。
45%アクリル酸アルキル共重合体液(商品名「ヨドゾールGH800F」、アクゾノーベル(AkzoNobel)社製)0.1gに、精製水5.1gを加え、十分に撹拌し、混合液(1)を得た。
混合液(1)2.7gを撹拌しながら、混合液(1)を上記で得られた活性炭(平均粒子径:40.9μm)1.8gに混合し、混合液(2)を得た。
得られた混合液(2)に酸化チタン(商品名「CR−50」、石原産業(株)製、平均粒子径:0.25μm)10.8gを混合し、混合液(3)を得た。
次いで、得られた混合液(3)を115℃で2時間乾燥し、さらに、乾燥物を解砕機にて粉状に解砕して酸化チタン被覆活性炭を得た。
上記酸化チタン被覆活性炭を用い、表1および表2に示した組成(配合量)に従い、各成分を混合し、体臭抑制剤を調製した。得られた各体臭抑制剤について、下記評価を行った。
容量120mLのガラス瓶(マヨネーズ瓶)に前記試料を100mL入れ、1000rpmで2分間遠心分離して粉体を沈降させた後、15cmの振り幅で縦に振盪(1往復/秒)を繰り返し、底面の粉体が完全に分散するまでの振盪回数を計測した。計測結果は、下記の基準に従って評価した。
[評価基準]
3点(優れる):5回以内に底面の残留がなくなり、均一分散する。
2点(良好):6回以上、10回以内に底面の残留がなくなり、均一分散する。
1点(不十分):11回以上、50回以内に底面の残留がなくなり、均一分散する。
0点(不良):51回以上振盪しても底面に残留が確認できる、または均一分散できない。
容量120mLのガラス瓶(マヨネーズ瓶)に前記試料を100mL入れ、粉体が均一に分散するまで振盪後、5分間静置させることで粉体を沈降させた後、試料中の液相の透明度を目視により観察し、酸化チタン被覆活性炭から剥離して沈降せずに液相中を分散している酸化チタンの量を観察した。観察結果は、下記の基準に従って評価した。
[評価基準]
3点(優れる):液相が透明である。
2点(良好):液相が濁っているが背後が見える。
1点(不良):液相が濁って背後が見えない。
酸化チタン被覆活性炭 1.0質量%
ポリクオタニウム−7 0.03質量%
ヒドロキシプロピルセルロース 0.3質量%
シメン−5−オール 0.1質量%
エタノール 70.0質量%
精製水 残部
酸化チタン被覆活性炭 1.0質量%
ポリクオタニウム−7 0.03質量%
クロルヒドロキシアルミニウム 10.0質量%
エタノール 70.0質量%
精製水 残部
Claims (4)
- 酸化チタン被覆活性炭、カチオン性ポリマー、および水を含有し、前記カチオン性ポリマーの含有量が0.005〜0.090質量%である体臭抑制剤。
- 酸化チタン被覆活性炭の含有量が0.10〜2.0質量%である、請求項1記載の体臭抑制剤。
- カチオン性ポリマーの含有量が0.005〜0.060質量%である、請求項1または2記載の体臭抑制剤。
- 水の含有量が6.0質量%以上である、請求項1〜3のいずれか一項に記載の体臭抑制剤。
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