JP6853294B2 - 過酸化物分散体 - Google Patents
過酸化物分散体 Download PDFInfo
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- JP6853294B2 JP6853294B2 JP2019070901A JP2019070901A JP6853294B2 JP 6853294 B2 JP6853294 B2 JP 6853294B2 JP 2019070901 A JP2019070901 A JP 2019070901A JP 2019070901 A JP2019070901 A JP 2019070901A JP 6853294 B2 JP6853294 B2 JP 6853294B2
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- WWZKQHOCKIZLMA-UHFFFAOYSA-M octanoate Chemical compound CCCCCCCC([O-])=O WWZKQHOCKIZLMA-UHFFFAOYSA-M 0.000 description 1
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- 235000014593 oils and fats Nutrition 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- LCLHHZYHLXDRQG-ZNKJPWOQSA-N pectic acid Chemical compound O[C@@H]1[C@@H](O)[C@@H](O)O[C@H](C(O)=O)[C@@H]1OC1[C@H](O)[C@@H](O)[C@@H](OC2[C@@H]([C@@H](O)[C@@H](O)[C@H](O2)C(O)=O)O)[C@@H](C(O)=O)O1 LCLHHZYHLXDRQG-ZNKJPWOQSA-N 0.000 description 1
- 239000001814 pectin Substances 0.000 description 1
- 235000010987 pectin Nutrition 0.000 description 1
- 125000005634 peroxydicarbonate group Chemical group 0.000 description 1
- 239000010318 polygalacturonic acid Substances 0.000 description 1
- 239000003505 polymerization initiator Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229910000160 potassium phosphate Inorganic materials 0.000 description 1
- 235000011009 potassium phosphates Nutrition 0.000 description 1
- 230000003389 potentiating effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000000518 rheometry Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 150000004671 saturated fatty acids Chemical class 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 150000004666 short chain fatty acids Chemical class 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 239000001509 sodium citrate Substances 0.000 description 1
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000007655 standard test method Methods 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 150000003437 strontium Chemical class 0.000 description 1
- PWYYWQHXAPXYMF-UHFFFAOYSA-N strontium(2+) Chemical compound [Sr+2] PWYYWQHXAPXYMF-UHFFFAOYSA-N 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 125000000542 sulfonic acid group Chemical group 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 229940034610 toothpaste Drugs 0.000 description 1
- 239000000606 toothpaste Substances 0.000 description 1
- 150000003626 triacylglycerols Chemical class 0.000 description 1
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 1
- 235000013337 tricalcium citrate Nutrition 0.000 description 1
- 229940078499 tricalcium phosphate Drugs 0.000 description 1
- 229910000391 tricalcium phosphate Inorganic materials 0.000 description 1
- 235000019731 tricalcium phosphate Nutrition 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 229920001285 xanthan gum Polymers 0.000 description 1
- 239000000230 xanthan gum Substances 0.000 description 1
- 235000010493 xanthan gum Nutrition 0.000 description 1
- 229940082509 xanthan gum Drugs 0.000 description 1
- 150000003751 zinc Chemical class 0.000 description 1
Classifications
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- A61K9/145—Intimate drug-carrier mixtures characterised by the carrier, e.g. ordered mixtures, adsorbates, solid solutions, eutectica, co-dried, co-solubilised, co-kneaded, co-milled, co-ground products, co-precipitates, co-evaporates, co-extrudates, co-melts; Drug nanoparticles with adsorbed surface modifiers with organic compounds
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- A23L5/00—Preparation or treatment of foods or foodstuffs, in general; Food or foodstuffs obtained thereby; Materials therefor
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Description
(I) R1−[CH2−CH(OR2)−CH2O]n−R3
(式中、nの平均値は約6〜約14であり、R1、R2及びR3はそれぞれ独立してC6〜C18脂肪酸部分又は水素であるが、但し、R1、R2又はR3の少なくとも1つはC6〜C18脂肪酸部分である)に対応し得る。一実施形態では、R1、R2又はR3の少なくとも1つは水素である。構造(I)は直線上に配置されたグリセリル繰り返し単位を示すが、式は分岐鎖のポリグリセリルも包含することが理解される。
a)平均粒子径5μm未満の過酸化ベンゾイル37.5〜42重量%;
b)水53.5〜62重量%;
c)高分子ゲル化剤0.25〜1.5重量%;
d)平均8〜12個のグリセリン繰り返し単位を有するポリグリセリン部分を含有するポリグリセリルエステルであって、オクタン酸とデカン酸との混合物で部分的にエステル化されており、HLB値が12〜18のポリグリセリルエステル(例えば、カプリル酸/カプリン酸ポリグリセリル−10)0.1〜2.0重量%;
e)塩/架橋剤0.01〜0.05重量%;及び
f)塩基/安定剤/緩衝剤0.25〜1.0重量%。
次の目標組成(記載する量は重量%である)を有する水性分散体を製造する:
過酸化ベンゾイル 53.3
水 44.15
ゲル化剤 0.5
モノオレイン酸デカグリセリン 1.5
架橋剤 0.05
塩基 0.5
次の目標組成(記載する量は重量%である)を有する水性分散体を製造する:
過酸化ベンゾイル 53.3
水 45.325
実施例1のゲル化剤 0.25
カプリル酸/カプリン酸ポリグリセリル−10 0.6
実施例1の架橋剤 0.025
実施例1の塩基 0.5
ホエー流を乾燥有機過酸化物(有機過酸化物を不活性担体と混和したものなど)で処理する従来のプロセスでは、水に分散させるために、乾燥有機過酸化物の25kgの箱を持ち上げて、高剪断ミキサーに投入する。有機過酸化物が沈降しないように注意しなければならない。槽を連続的に撹拌しなければならない。次いで、得られた混合物をホエー流に計量供給する。
この実施例では、乾燥有機過酸化物製品で起こる飛散の問題が本発明の水性分散体によりどのようにして解決されるかを説明する。
取り扱い中、25kgの箱の従来の乾燥有機過酸化物がこぼれる。生じる塵雲は、あらゆる装置、設備、天井及び床を含む周囲領域全体を汚染する。これらの表面を全て、水を撒いて濡らすのに約30ガロンの水が必要となる。こぼれた有機過酸化物を含有する濡れた粉末を55ガロンのドラム缶3つに入れる場合、その清掃作業に約5時間かかる。汚染された領域は石鹸と水で清掃する。
この実施例は、本発明の水性分散体を脱色プロセスに使用する場合に可能となる、効率の向上を実証する。
Claims (19)
- 次の成分:
a)800〜2000センチポアズの粘度を有しかつ剪断減粘性であるポンプ圧送可能、注入可能又は噴霧可能な水性分散体であって、前記水性分散体が、
i)前記水性分散体に対して約35重量%以上の、平均粒子径10μm未満の固体過酸化ベンゾイル、及び
ii)前記水性分散体に対して0.1重量%〜2重量%の界面活性剤であって、前記界面活性剤がオクタン酸、デカン酸、及びこれらの混合物からなる群から選択される1種以上の脂肪酸のポリグリセリルエステルである界面活性剤であり、12〜18のHLB値を有する界面活性剤
から構成される水性分散体と、
b)任意に、少なくとも1種の薬学的に許容される追加成分と、
c)任意に、1種以上の医薬品添加物と
を含む組成物。 - 前記少なくとも1種の薬学的に許容される追加成分が抗菌剤、抗微生物及び漂白活性化剤よりなる群から選択される、請求項1に記載の組成物。
- 前記少なくとも1種の薬学的に許容される追加成分が医薬有効成分である、請求項1に記載の組成物。
- 前記1種以上の医薬品添加物が充填剤、担体、界面活性剤、顔料、安定剤、レオロジー調整剤、ゲル化剤、香料、再石灰化剤及び皮膚軟化剤よりなる群から選択される、請求項1に記載の組成物。
- 医薬有効成分である少なくとも1種の薬学的に許容される追加成分を含む、請求項1に記載の組成物。
- 医薬有効成分である少なくとも1種の薬学的に許容される追加成分と、少なくとも1種の医薬品添加物と、任意に水とを含む、請求項1に記載の組成物。
- 前記1種以上の脂肪酸のポリグリセリルエステルが、平均8〜12個のグリセリン繰り返し単位を有するポリグリセリン部分を含有する、請求項1に記載の組成物。
- 前記界面活性剤が、ヒドロキシル基を有するポリグリセリルをベースにしており、前記ポリグリセリルのヒドロキシル基の約25%〜約60%がエステル化されている、請求項1に記載の組成物。
- 前記界面活性剤が、カプリル酸/カプリン酸ポリグリセリル−10である、請求項1に記載の組成物。
- 前記界面活性剤が薬学的に許容される界面活性剤である、請求項1に記載の組成物。
- 前記固体過酸化ベンゾイルの平均粒子径が5μm未満である、請求項1に記載の組成物。
- 前記界面活性剤が構造(I):
(I) R1−[CH2−CH(OR2)−CH2O]n−R3(式中、nの平均値は約6〜約14であり、R1、R2及びR3はそれぞれ独立してC8〜C10脂肪酸部分又は水素であるが、但し、R1、R2又はR3の少なくとも1つがC8〜C10脂肪酸部分である)を有する、請求項1に記載の組成物。 - 前記組成物が抗ニキビ組成物である、請求項1に記載の組成物。
- 前記組成物が歯ホワイトニング組成物である、請求項1に記載の組成物。
- 前記組成物がヘアカラー組成物又はヘアブリーチ組成物である、請求項1に記載の組成物。
- 前記組成物がペースト、ローション、石鹸、ゲル又はクリームである、請求項1に記載の組成物。
- 前記800〜2000センチポアズの粘度を有しかつ剪断減粘性であるポンプ圧送可能、注入可能又は噴霧可能な水性分散体が、
平均粒子径5μm未満の過酸化ベンゾイルを前記分散体に対して約37〜約42重量%;
水を前記分散体に対して約53〜約62重量%;
ゲル化剤を前記分散体に対して約0.2〜約2重量%;
平均8〜12個のグリセリン繰り返し単位を有するポリグリセリン部分を含有するポリグリセリルエステルであって、オクタン酸とデカン酸との混合物で部分的にエステル化されており、HLB値が12〜18のポリグリセリルエステルを前記分散体に対して約0.1〜約2重量%;
架橋剤を前記分散体に対して約0.01〜約0.05重量%;及び
塩基を前記分散体に対して約0.2〜約1重量%
含む、請求項1に記載の組成物。 - 組成物の製造方法であって、
a)800〜2000センチポアズの粘度を有しかつ剪断減粘性であるポンプ圧送可能、注入可能又は噴霧可能な水性分散体であって、前記水性分散体が、
i)前記水性分散体に対して約35重量%以上の、平均粒子径10μm未満の固体過酸化ベンゾイル、及び
ii)前記水性分散体に対して0.1重量%〜2重量%の界面活性剤であって、前記界面活性剤がオクタン酸、デカン酸、及びこれらの混合物からなる群から選択される1種以上の脂肪酸のポリグリセリルエステルである界面活性剤であり、12〜18のHLB値を有する界面活性剤
から構成される水性分散体と、
b)少なくとも1種の薬学的に許容される追加成分、又は
c)1種以上の医薬品添加物
のいずれかとを混合させる工程を含む方法。 - 前記800〜2000センチポアズの粘度を有しかつ剪断減粘性であるポンプ圧送可能、注入可能又は噴霧可能な水性分散体が、
平均粒子径5μm未満の過酸化ベンゾイルを前記分散体に対して約37〜約42重量%;
水を前記分散体に対して約53〜約62重量%;
ゲル化剤を前記分散体に対して約0.2〜約2重量%;
平均8〜12個のグリセリン繰り返し単位を有するポリグリセリン部分を含有するポリグリセリルエステルであって、オクタン酸とデカン酸との混合物で部分的にエステル化されており、HLB値が12〜18のポリグリセリルエステルを前記分散体に対して約0.1〜約2重量%;
架橋剤を前記分散体に対して約0.01〜約0.05重量%;及び
塩基を前記分散体に対して約0.2〜約1重量%
含む、請求項18に記載の方法。
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