JP2022522717A - 布地上の悪臭を低減する方法 - Google Patents
布地上の悪臭を低減する方法 Download PDFInfo
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- JP2022522717A JP2022522717A JP2021550239A JP2021550239A JP2022522717A JP 2022522717 A JP2022522717 A JP 2022522717A JP 2021550239 A JP2021550239 A JP 2021550239A JP 2021550239 A JP2021550239 A JP 2021550239A JP 2022522717 A JP2022522717 A JP 2022522717A
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- acid
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- laundry detergent
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Classifications
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
- C11D17/04—Detergent materials or soaps characterised by their shape or physical properties combined with or containing other objects
- C11D17/041—Compositions releasably affixed on a substrate or incorporated into a dispensing means
- C11D17/042—Water soluble or water disintegrable containers or substrates containing cleaning compositions or additives for cleaning compositions
- C11D17/043—Liquid or thixotropic (gel) compositions
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B1/00—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
- C11D17/08—Liquid soap, e.g. for dispensers; capsuled
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
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-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
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- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/20—Organic compounds containing oxygen
- C11D3/2075—Carboxylic acids-salts thereof
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- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
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Abstract
Description
a.布地を洗浄液と組み合わせる工程であって、上記布地が、少なくとも1つの悪臭源を含み、上記洗浄液が洗剤及び濃縮酸送達源を含む、工程と、
b.上記布地を、自動洗浄操作、手動洗浄操作、又はこれらの混合、好ましくは自動洗浄操作を使用して、上記洗浄液中で洗浄する工程と、
c.上記布地と上記洗浄液とを互いに分離する工程と、
を含む、方法である。
a.布地を洗浄液と組み合わせる工程であって、上記布地が、少なくとも1つの悪臭源を含み、上記洗浄液が、6未満のpHを有する洗剤及び濃縮酸送達源を含む、工程と、
b.上記布地を、自動洗浄操作、手動洗浄操作、又はこれらの混合、好ましくは自動洗浄操作を使用して、上記洗浄液中で洗浄する工程と、
c.上記布地と上記洗浄液とを互いに分離する工程と、
を含む、方法の使用である。
本発明は、布地上の悪臭を低減する方法に関する。
本発明に従った方法は、洗濯洗剤組成物を希釈する工程を含む。洗濯洗剤組成物は、6より大きい、又は、6未満のpHを有し得る。
洗剤組成物は、サルフェート界面活性剤、有機酸、及びアルコキシル化ポリアミン化合物を含む、低pH洗剤組成物であってもよい。サルフェート界面活性剤は、例えば、硬質表面及び/又は洗濯物を洗浄するために好適な、組成物中での洗浄効果をもたらす。特に洗濯物に対する効果的な洗浄をもたらすために、サルフェート界面活性剤は、特定の鎖長、例えば、少なくとも10個の炭素、又は少なくとも12個の炭素、又は少なくとも14個の炭素の、アルキル基を有するのが望ましい。しかし、アルキル鎖が長くなると、サルフェート界面活性剤の間でより多くの界面の形成がもたらされる傾向にあると考えられている。これは、サルフェート界面活性剤が低pH系において加水分解する傾向にあるが故に、安定性の課題を提示し得、これは部分的には、界面活性剤間の界面に起因するものと考えられている。驚くべきことに、特定のアルコキシル化ポリアミン化合物が加水分解速度を低減させることができるということが、発見されている。ポリアミンは、H+の、界面への接近を妨げることにより、かつ/又は、サルフェート界面活性剤間の相互作用を妨げることにより、安定化効果をもたらすと考えられている。
6を下回るpHを有する洗剤組成物は、酢酸、乳酸、及びクエン酸からなる群から選択される、1つ以上の有機酸を含む。
濃縮酸送達源は、後述する活性剤を含む繊維状水溶性単位用量を含む。本明細書で使用するとき、語句「水溶性単位用量物品」、「水溶性繊維構造体」、及び「水溶性繊維要素」は、単位用量物品、繊維構造体、及び繊維要素が水と混和性であることを意味する。換言すれば、単位用量物品、繊維構造体、又は繊維要素は、周囲条件で水と均質な溶液を形成することができる。本明細書で使用するとき、「周囲条件」とは、23℃±1.0℃及び相対湿度50%±2%を意味する。水溶性単位用量物品は、水性洗浄条件で約20マイクロメートル未満又は約50マイクロメートル未満の懸濁平均粒径で分散可能である不溶性材料を含有し得る。
繊維構造体は、1つ以上の繊維要素を含む。繊維要素は、互いに関連付けられて構造体を形成することができる。繊維構造体は、構造体内及び又は構造体上に粒子を含み得る。繊維構造体は、均質、層状、単一、ゾーン形、又は他の点で所望されるとおりであってもよく、異なる活性剤が様々な前述の部分を画定する。
繊維要素は、水溶性であってもよい。繊維要素は、1つ以上のフィラメント形成材料及び/又は界面活性剤などの1つ以上の活性剤を含み得る。1つ以上の活性剤は、意図される使用条件に繊維要素及び/又は繊維要素を含む繊維構造体が曝されたときなどに、繊維要素から放出可能であり得る。
(R)(R1)(R2)(R3)N+X-
式中、Rは、直鎖状又は分岐状、置換又は非置換のC6~18アルキル又はアルケニル部分であり、R1及びR2は、独立して、メチル又はエチル部分から選択され、R3は、ヒドロキシル、ヒドロキシメチル又はヒドロキシエチル部分であり、Xは、電荷的中性を提供するアニオンであり、好適なアニオンとしては、例えばクロリドのようなハロゲン化物、硫酸塩、及びスルホン酸塩である。好適なカチオン性洗浄性界面活性剤は、モノ-C6~18アルキルモノ-ヒドロキシエチルジメチル四級アンモニウムクロリドである。非常に好適なカチオン性洗浄性界面活性剤は、モノ-C8~10アルキルモノ-ヒドロキシエチルジメチル四級アンモニウムクロリド、モノ-C10~12アルキルモノ-ヒドロキシエチルジメチル四級アンモニウムクロリド、及びモノ-C10アルキルモノ-ヒドロキシエチルジメチル四級アンモニウムクロリドである。
本明細書に記載の水溶性単位用量物品は、1つ以上の活性剤を含有し得る。活性薬剤は、繊維要素中に、異なる粒子の形態で、粒子の形態で若しくは粒子に一体化され、又は、物品中にプレミックスとして、存在することができる。プレミックスは、例えば、水性吸収剤と組み合わされた活性剤のスラリーであってもよい。
以下の試験では、単独で又は組み合わせでの、本明細書に記載する複数の洗剤、すすぎ液、及び濃縮酸送達源を比較する。具体的には、酸すすぎ液(9 Elements Rinse)及び本発明の濃縮酸送達システムの両方を用いる際の、9 elementsの低pHフォーミュラ洗剤、中pH(8.5のpH)のフォーミュラ洗剤、及びPlatinum Advanced Shirt& Laundry Detergentの使用。
本明細書において特に明記しない限り、組成物のpHは、20±2℃の組成物の未希釈pHとして定義される。pHを±0.01pH単位まで測定することができる任意の計測器が好適である。Orion meters(Thermo Scientific,Clintinpark-Keppekouter,Ninovesteenweg 198,9320 Erembodegem-Aalst,Belgium)又は等価物が、許容可能な計器である。pHメーターは、カロメル又は銀/塩化銀基準を有する好適なガラス電極を備えていなければならない。例としては、Mettler DB 115が挙げられる。電極は、製造業者が推奨する電解質溶液中で保管する必要がある。pHは、pHメーター製造業者の標準的な手順に従って測定される。更に、pHアセンブリを設定し較正するには、製造業者の指示に従うべきである。
悪臭除去洗浄試験の目的は、異なる洗浄方法が布地上で悪臭を低減する能力を、交差比較することである。後続のフルスケールの洗浄スケールで洗浄される洗濯物に悪臭カクテルを塗布し、その後、乾燥した布地における残りの悪臭活性物質の量を、GC-MSヘッドスペースSPME分析によって分析的に決定する。各製品を8つの異なる洗濯機で試験し、各洗濯機は、16の悪臭トレーサ(したがって、合計64個の複製物)を含み、個々の結果を平均し、報告する。
● 洗濯機:高効率前側投入機(Duet9200)
● 洗浄サイクル:通常サイクル、洗浄サイクルにおいて19.6Lの水、7gpg、25℃、3.9kgの混合綿/ポリコットンバラスト負荷(50×50cmニット布見本:17綿/12ポリコットン)、16の悪臭トレーサ(2×5インチのポリコットン(50/50)布見本)
● 洗浄製品:25.4gの試験洗剤を含む1つの可溶性単位用量
● 乾燥機:Maytag Double Stack
● 乾燥サイクル:60~65℃で35分(設定:LOW)
● 保管:乾燥した布見本を、分析試験前に保管するためにヒートシーラーで封止したマイラーバッグ(評価まで布地を保管するために使用されるポリエステル樹脂コーティングされたアルミニウム袋)に入れる。
分析悪臭特性評価技術の背後にある原理は、悪臭成分の物性が、成分が低蒸気圧及び/又は低臭気検出閾値を有することを必要とするということである。これら特性を有することにより、悪臭をヘッドスペース内に分配することが可能になる。したがって、布地上のヘッドスペース測定を行って、布見本における悪臭の量を決定することができる。
Gerstelオートサンプラパラメータ:
● SPME:インキュベータから
● インキュベーション温度:80℃
● インキュベーション時間:90.00分
● サンプルトレーの種類:VT32-10
● バイアル浸透量:22.00mm
● 抽出時間:20.00分
● 注入浸透量:54.00mm
● 脱離時間:300秒
● フロントSS入口He
■ モードスプリット
■ ヒータ:250℃
■ 圧力:11.962psi
■ 全流速:79.5mL/分
■ セプタムパージ流:3mL/分
■ スプリット比:50:1
■ GCランタイム:22.5分
● オーブン
■ 初期温度:40℃
■ 保持時間:0分
■ 加熱プログラム
● 速度:12℃/分
● 温度:250℃
● 保持時間:5分
最小範囲が40~350m/zであるスキャンモードで検出を実行する。定量化のための標的イオンは、最小で1種類のクオリファイアイオン、好ましくは2種類のクオリファイアイオンと共に、各悪臭成分について決定する。各成分について規定された標的及びクオリファイアイオンは、MSD化合物ライブラリ又は標準に基づいていなければならない。
1)悪臭トレーサの調製:
潜在的に干渉を引き起こす可能性がある繊維工場で布地に塗布された布地仕上げ剤を除去したポリコットン(polycotton、PC)(50/50)布見本に、新たに作製した悪臭カクテルを塗布することによって、悪臭トレーサを調製する。フルスケールの運転を行うのと同じ朝に、悪臭カクテルを2×5インチのポリコットン50/50布見本に塗布する。PC50/50布見本は、APD(Accurate Product Development、Cincinnati,Ohioに位置する世界的な材料供給元)によって供給される。
以下の悪臭カクテルを、個々の化合物の混合によって調製した:
下表に示すデータは、全ての実施例配合物に対する、ABS及びスクワレンの酸化性副産物中での有意な低減を示す。実施例の配合物は、以下を含む:
ABS及びスクワレンの酸化的副生成物の有意な低減は、参照製剤に対して有意に改善された実施例の悪臭低減プロファイルを示す。
染み除去の試験は、家庭での洗濯において、染み除去性能を評価するためのASTM4265-14規格ガイドにより提供される案内に沿って、Front Loader HEマシンにて実施する。22個の染みを含有する綿CW120の、技術的な染み見本を購入した。染み見本は、ガロン硬度当たり7グレインを使用し、86Fでの通常サイクルを選択し、下表に列挙する、対応する洗剤組成物の各々を使用して、従来の北米式洗濯機(Whirlpool(登録商標))で洗浄した。画像解析を使用して、各染みを染みの付いていない布地の対照例と比較した。ソフトウエアは得られる画像を標準の色値に変換し、通常使用されるマクベス色保持チャートに基づいてそれらを基準値と比較し、各染みに色値を割り当てた(染みレベル)。各8つの複製を調製した。次いで、染み除去指数を以下に示す式に従って計算した。
表1は、本開示に従った組成物を示す。添加するSarah:
● All Free & Clear洗剤(マーケット製品)
● 9 Elements PowerTab
実施例.洗浄方法でクエン酸ベースのPowerTabブースターを添加して、水の液のpHを抑制する効果
Claims (17)
- 布地上の悪臭を低減する方法であって、
a.布地を洗浄液と組み合わせる工程であって、前記布地が、少なくとも1つの悪臭源を含み、前記洗浄液が、洗剤及び水溶性単位用量の形態の濃縮酸送達源を含む、工程と、
b.前記布地を、自動洗浄操作、手動洗浄操作、又はこれらの混合、好ましくは自動洗浄操作を使用して、前記洗浄液中で洗浄する工程と、
c.前記布地と前記洗浄液とを互いに分離する工程と、
を含む、方法。 - a.前記布地が、10℃~60℃、好ましくは10℃~45℃、より好ましくは10℃~35℃の温度で、前記洗浄液中で洗浄され、
b.工程bにおける前記洗浄操作が、5分~60分、好ましくは5分~45分、より好ましくは5分~30分間行われ、
c.又はこれらの混合である、
請求項1に記載の方法。 - 前記洗濯洗剤が、カチオン性ポリマー、ポリエステルテレフタレート、両親媒性グラフトコポリマー、カルボキシメチルセルロース、酵素、香料、カプセル化香料、漂白剤、又はこれらの混合物を含むリストから選択される成分を含む、請求項1又は2に記載の方法。
- 前記洗濯洗剤組成物が、液体であり、前記液体洗濯洗剤組成物が、6~10、より好ましくは6.5~8.9、最も好ましくは7~8のpHを有し、前記液体洗濯洗剤組成物のpHが、未希釈pHとして測定される、請求項1~3のいずれか一項に記載の方法。
- 前記洗濯洗剤組成物が、液体であり、前記液体洗濯洗剤組成物が、6~10、より好ましくは6.5~8.9、最も好ましくは7~8のpHを有し、前記液体洗濯洗剤組成物のpHが、未希釈pHとして測定される、請求項1~4のいずれか一項に記載の方法。
- 前記洗濯洗剤組成物が、液体であり、前記液体洗濯洗剤組成物が、2~6、より好ましくは2~5、最も好ましくは3~4のpHを有し、前記液体洗濯洗剤組成物のpHが、未希釈pHとして測定される、請求項1~4のいずれか一項に記載の方法。
- 前記水溶性単位用量が、単独又は組み合わせのいずれかで、酢酸、アジピン酸、アスパラギン酸、カルボキシメチルオキシマロン酸、カルボキシメチルオキシコハク酸、クエン酸、ギ酸、グルタル酸、グルコン酸、ヒドロキシエチルイミノ二酢酸、イミノ二酢酸、乳酸、マレイン酸、リンゴ酸、マロン酸、オキシ二酢酸、オキシジコハク酸、コハク酸、スルファミン酸、酒石酸、酒石二コハク酸、酒石モノコハク酸、これらの塩、又はこれらの混合物からなる群から選択される活性剤酸を含む、請求項1~6のいずれか一項に記載の方法。
- 前記活性剤酸が、クエン酸及びクエン酸ナトリウムである、請求項7に記載の方法。
- 前記水溶性単位用量が、コーティングを含むクエン酸を含む、請求項1~8のいずれか一項に記載の方法。
- 前記クエン酸が、前記水溶性単位用量物品内で苦味剤としての役割を果たす、請求項7~9のいずれか一項に記載の方法。
- 前記水溶性繊維状単位用量が、外側表面上に苦味剤を含む、請求項1~10のいずれか一項に記載の方法。
- 前記水溶性単位用量が、活性剤を含み、前記活性剤が、約50重量%~70重量%の前記水溶性単位用量を含む、請求項1~11のいずれか一項に記載の方法。
- 前記水溶性単位用量が、可溶性繊維構造体を含み、前記可溶性繊維構造体が、活性剤を包むパウチを形成する、請求項1~12のいずれか一項に記載の方法。
- 前記活性剤が、前記可溶性繊維構造体と混合されて、コフォーム構造体を形成する、請求項13に記載の方法。
- 前記可溶性繊維構造体が、内部に界面活性剤を有する繊維要素を含む、請求項13又は14に記載の方法。
- 前記水溶性単位用量の前記組成物が、50%以上のバイオベース材料を含む、請求項1~15のいずれか一項に記載の方法。
- 前記繊維構造体が、デンプンを含む繊維要素を含む、請求項13~16のいずれか一項に記載の方法。
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2020
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JP2017517611A (ja) * | 2014-06-30 | 2017-06-29 | ザ プロクター アンド ギャンブル カンパニー | 洗濯洗剤組成物 |
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JP7513623B2 (ja) | 2024-07-09 |
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US12031254B2 (en) | 2024-07-09 |
JP2024129088A (ja) | 2024-09-26 |
CA3131816A1 (en) | 2020-09-24 |
EP3942008A1 (en) | 2022-01-26 |
CA3131816C (en) | 2024-04-30 |
WO2020191166A1 (en) | 2020-09-24 |
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