CN1263836C - 碱性溶液中的粘度稳定 - Google Patents
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Abstract
包括至少一种苛性物质和粘度稳定量代尤坦胶的含水碱性溶液。
Description
发明领域
本发明涉及稳定碱性溶液的粘度。
发明背景
在组合物中将高分子粘度稳定剂如纤维素类、藻酸盐和生物胶(biogums)用作增稠剂。但是，这样的高分子粘度稳定剂在高度碱性含水系统如家用清洁剂中一般不具有长期稳定性。这类清洁剂通常含有约0.5至约15重量％苛性物质，例如氢氧化钠，以及具有至少10，通常约12至约14的pH。为了具有适合的贮藏寿命，这类清洁剂需要长期粘度稳定性，例如大于12个月。
如果所述溶液不稳定，就发生胶凝作用或粘度完全丧失。目前，因为在碱性条件下黄原酸胶(xanthan gum)具有相对好的稳定性，在这些系统中通常应用它。然而，黄原酸胶在更高水平的苛性物质下能显示出胶凝作用，并且随时间将表现出显著的降解，特别是在升高的温度下。因此，需要有一种提供甚至比黄原酸胶更高稳定性的增稠剂。
发明简要概述
本发明涉及一种包括至少一种苛性物质和粘度稳定量代尤坦胶(diutan gum)的含水碱性溶液。用于清洁溶液中的典型苛性物质包括氢氧化钠、氢氧化钾、氢氧化铵、碳酸钠或硅酸钠。通常，基于溶液的总重量，所述含水碱性组合物具有约0.5重量％至约15重量％的苛性物质浓度，以达到至少10的pH。基于溶液的总重量，所述代尤坦胶的量优选为约0.05重量％至约2重量％。
在进一步的实施方案中，所述含水碱性组合物含有螯合剂、表面活性剂或有机溶剂中的至少一种。
本发明的另一个实施方案涉及一种提高含水碱性组合物稳定性的方法，包括向该含水碱性组合物中加入粘度稳定量的代尤坦胶。
发明详细描述
代尤坦胶是杂多糖S-657，它是通过发酵鞘氨醇单胞菌属的种(Sphingomonas sp.)ATCC 53159菌株而制备的。它在水溶液中具有增稠、悬浮和稳定性质。杂多糖S-657主要由碳水化合物、约12％蛋白质和约7％(以O-乙酰基计算)酰基组成，所述碳水化合物部分含有约19％葡糖醛酸，和中性糖(以约3∶2摩尔比的鼠李糖和葡萄糖)。代尤坦胶结构的细节可在Diltz等的文章中找到，“Location of O-acetyl groups inS-657 using the reductive-cleavage method”Carbohydrate Research331(2001)265-270，在此将其全文引入本文作为参考。制备代尤坦胶的详细内容可在美国专利5,175,278中找到，在此将其全文引入本文作为参考。
已发现，在所述胶的不同浓度下，当与含有黄原酸胶的含水碱性溶液比较时，含有代尤坦胶的含水碱性溶液具有优越的稳定性。进一步发现，在用来配制家用和工业清洁剂的含水碱性溶液中可将代尤坦胶用作增稠剂。
可用于家用和工业清洁剂的含水碱性溶液具有至少10，通常约12至约14的pH。所述含水碱性溶液通常含有至少一种苛性物质如氢氧化钠、氢氧化钾、硅酸钠、氢氧化铵、碳酸钠或它们的混合物。基于溶液的总重量，一般地在所述碱性溶液中存在约0.5重量％至约15重量％的所述苛性物质，优选约5重量％至约12重量％，更优选约10重量％。
以有效增稠和稳定所述含水碱性溶液的量加入代尤坦胶。基于溶液的总重量，有效量包括从约0.05重量％至约2重量％，优选约0.1重量％至约1重量％，更优选约0.2重量％至约0.8重量％。
所述含水碱性溶液还含有其它用于清洁剂中的成分。这类溶液可含有效量的用作发泡剂、湿润剂和洗涤剂的表面活性剂。为有助于除去有机沉积物、污点和涂料，还可以存在有机溶剂例如二元醇和二元醇醚如聚乙二醇(PEG)或乙二醇单丁醚。还可以加入螯合剂作为助洗剂以增强所述去污剂的效果和溶解多价盐。螯合剂如葡庚糖酸钠还有助于控制多价金属如铁，如果该多价金属未被螯合，可催化生物胶增稠剂的碱水解从而导致粘度丧失。螯合剂还有助于防止多价金属诱导的胶凝作用。
实施例1
在不同温度下比较了代尤坦胶和黄原酸胶在含水碱性溶液中的稳定性。在环境温度和升高的温度下评价了所述生物胶的碱性稳定性。对于每种胶，用聚乙二醇(PEG)作为分散剂制备了在标准自来水中的2％(按水的重量)储备溶液。向每种碱性溶液中加入百分之二葡庚糖酸钠作为螯合剂。将上述胶储备溶液稀释至所需浓度并且与适当量的50％苛性物质混合，直至所述溶液看起来已完全水合以及显得是均匀的。
为200ml的批量设计试验。将该批量分成两个100ml的批量：一批在120°F(48.9℃)贮存，另一批在室温下贮存。最初在配制了溶液时、然后在1天、7天、28天、60天和90天进行粘度测定和目视观测。
1.在25℃下贮存90天。在30RPM下布鲁克菲尔德粘度的变化：
| 生物胶： | 初始粘度的增加(+)或减小(-) |
| 10％NaOH中的0.25％代尤坦胶 | -3％ |
| 10％NaOH中的0.25％黄原酸胶(KelzanT) | -70％ |
2.在25℃下贮存90天。在3RPM下布鲁克菲尔德粘度的变化：
| 生物胶： | 初始粘度的增加(+)或减小(-) |
| 10％NaOH中的0.25％代尤坦胶 | -20％ |
| 10％NaOH中的0.25％黄原酸胶(Kelzan T) | 粘度太低不能测定 |
| 生物胶： | 初始粘度的增加(+)或减小(-) |
| 10％NaOH中的0.50％代尤坦胶 | +2％ |
| 10％NaOH中的0.50％黄原酸胶(Kelzan T) | -96％ |
3.在120°F下贮存28天。在60RPM下布鲁克菲尔德粘度的变化：
| 生物胶： | 初始粘度的增加(+)或减小(-) |
| 10％NaOH中的0.50％代尤坦胶 | -4％ |
| 10％NaOH中的0.50％黄原酸胶(Kelzan T) | -85％ |
在室温下贮存的样品具有比在120°F下贮存的样品更好的稳定性。在很苛性的环境中，温度加速所述胶的变质。在升高的温度下28天后维持粘度的样品被视为“良好的”表现者。在升高的温度下，0.50％代尤坦胶比0.50％黄原酸胶具有更好的表现。更高浓度的代尤坦胶还比0.25％的代尤坦胶表现更好。
尽管已经参照包括目前实施本发明的优选方式的具体实施例描述了本发明，但是本领域的技术人员将理解，存在上述系统和技术的许多变化和置换，它们落入在所附权利要求书中提出的本发明的实质和范围。
Claims (20)
1.一种含水碱性溶液，包括至少一种苛性物质和粘度稳定量的代尤坦胶。
2.权利要求1的含水碱性溶液，其中pH是至少10。
3.权利要求1的含水碱性溶液，其中pH是从12至14。
4.权利要求1的含水碱性组合物，其中所述苛性物质是氢氧化钠、氢氧化钾、硅酸钠、氢氧化铵、碳酸钠或它们的混合物。
5.权利要求1的含水碱性组合物，其中所述苛性物质的浓度是从0.5重量％至15重量％，基于所述溶液的总重量。
6.权利要求5的含水碱性组合物，其中所述苛性物质的浓度是从5重量％至12重量％，基于所述溶液的总重量。
7.权利要求1的含水碱性组合物，进一步包括螯合剂、表面活性剂或有机溶剂中的至少一种。
8.权利要求1的含水碱性组合物，其中所述代尤坦胶的量是从0.05重量％至2重量％，基于所述溶液的总重量。
9.权利要求8的含水碱性组合物，其中所述代尤坦胶的浓度是从0.1重量％至1重量％，基于所述溶液的总重量。
10.权利要求9的含水碱性组合物，其中所述代尤坦胶的浓度是从0.2重量％至0.8重量％，基于所述溶液的总重量。
11.一种含水碱性溶液，包括基于所述溶液总重量的从0.5重量％至15重量％的苛性物质，和基于所述溶液总重量的从0.05重量％至2重量％的代尤坦胶。
12.权利要求11的含水碱性溶液，其中pH是至少10。
13.权利要求12的含水碱性溶液，其中pH是从12至14。
14.权利要求11的含水碱性组合物，其中所述苛性物质是氢氧化钠。
15.权利要求11的含水碱性组合物，其中所述苛性物质的浓度是从5重量％至12重量％，基于所述溶液的总重量。
16.权利要求11的含水碱性组合物，进一步包括螯合剂、表面活性剂或有机溶剂中的至少一种。
17.权利要求11的含水碱性组合物，其中所述代尤坦胶的浓度是从0.1重量％至1重量％，基于所述溶液的总重量。
18.权利要求17的含水碱性组合物，其中所述代尤坦胶的浓度是从0.2重量％至0.8重量％，基于所述溶液的总重量。
19.一种提高含水碱性组合物稳定性的方法，包括向该含水碱性组合物中加入粘度稳定量的代尤坦胶。
20.权利要求1的含水碱性溶液，其中该含水碱性溶液是一种清洁剂组合物。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/992,563 | 2001-11-26 | ||
| US09/992,563 US6620775B2 (en) | 2001-11-26 | 2001-11-26 | Viscosity stabilization in alkaline solutions |
Publications (2)
| Publication Number | Publication Date |
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| CN1589316A CN1589316A (zh) | 2005-03-02 |
| CN1263836C true CN1263836C (zh) | 2006-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN02823176.7A Expired - Fee Related CN1263836C (zh) | 2001-11-26 | 2002-11-13 | 碱性溶液中的粘度稳定 |
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| Country | Link |
|---|---|
| US (1) | US6620775B2 (zh) |
| EP (1) | EP1448756B1 (zh) |
| JP (1) | JP2005510621A (zh) |
| CN (1) | CN1263836C (zh) |
| AT (1) | ATE301180T1 (zh) |
| AU (1) | AU2002340272A1 (zh) |
| CA (1) | CA2468150A1 (zh) |
| DE (1) | DE60205403T2 (zh) |
| DK (1) | DK1448756T3 (zh) |
| ES (1) | ES2244813T3 (zh) |
| PT (1) | PT1448756E (zh) |
| WO (1) | WO2003046116A1 (zh) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4712719B2 (ja) * | 2003-11-21 | 2011-06-29 | ダブリュー・アール・グレイス・アンド・カンパニー−コネチカット | 硫酸塩分散クロム酸塩還元剤 |
| US7595282B2 (en) * | 2004-05-20 | 2009-09-29 | Halliburton Energy Services, Inc. | Methods and compositions of controlling the rheology of a diutan-containing well treatment fluid at high temperatures |
| US20050261138A1 (en) * | 2004-05-20 | 2005-11-24 | Robb Ian D | Viscosified treatment fluids comprising scleroglucan or diutan and associated methods |
| US7781380B2 (en) * | 2005-01-24 | 2010-08-24 | Schlumberger Technology Corporation | Methods of treating subterranean formations with heteropolysaccharides based fluids |
| US8367589B2 (en) * | 2005-01-24 | 2013-02-05 | Schlumberger Technology Corporation | Polysaccharide treatment fluid and method of treating a subterranean formation |
| US7494957B2 (en) * | 2005-01-24 | 2009-02-24 | Schlumberger Technology Corporation | Energized fluids and methods of use thereof |
| US7833949B2 (en) * | 2005-01-24 | 2010-11-16 | Schlumberger Technology Corporation | Polysaccharide treatment fluid and method of treating a subterranean formation |
| CN103087970B (zh) | 2005-02-04 | 2016-12-21 | Cp凯尔科美国公司 | 多糖粘液形成菌的靶基因缺失 |
| US7776796B2 (en) * | 2006-03-20 | 2010-08-17 | Schlumberger Technology Corporation | Methods of treating wellbores with recyclable fluids |
| US7888308B2 (en) * | 2006-12-19 | 2011-02-15 | Cp Kelco U.S., Inc. | Cationic surfactant systems comprising microfibrous cellulose |
| US8097666B2 (en) * | 2007-05-30 | 2012-01-17 | W. R. Grace & Co.-Conn. | Cement additive for stucco applications |
| US7678745B2 (en) | 2007-09-24 | 2010-03-16 | Schlumberger Technology Corporation | Viscosity reduction |
| US20090105097A1 (en) * | 2007-10-22 | 2009-04-23 | Carlos Abad | Degradable Friction Reducer |
| FR2950879B1 (fr) * | 2009-10-02 | 2012-11-23 | Cemex Res Group Ag | Mortier a base d'anhydrite pour la fabrication chape fluide et procede de preparation d'anhydrite pour la fabrication d'un tel mortier |
| US9296939B2 (en) | 2010-05-05 | 2016-03-29 | Halliburton Energy Services, Inc. | Compositions for modifying rheological properties of cement systems |
| ES2748357T3 (es) | 2011-03-11 | 2020-03-16 | Angus Holdings Safety Group Ltd | Composición de una espuma anti incendios |
| US9296943B2 (en) | 2012-05-22 | 2016-03-29 | Schlumberger Technology Corporation | Subterranean treatment fluid composition and method of treatment |
| US20130333886A1 (en) | 2012-06-19 | 2013-12-19 | Halliburton Energy Services, Inc. | Breaking diutan with metal activitor down to 140 °f or lower |
| EP4034623A1 (en) * | 2019-09-26 | 2022-08-03 | Ecolab USA Inc. | High alkaline solvent-based degreaser and cleaner with diutan gum as a primary thickening system |
| JP2023547685A (ja) | 2020-11-10 | 2023-11-13 | ユニリーバー・アイピー・ホールディングス・ベスローテン・ヴェンノーツハップ | 水性アルカリ性研磨洗浄組成物 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE2841383A1 (de) | 1978-09-22 | 1980-04-10 | Helmut G Reitenspies | Siebreinigerpaste |
| US5175278A (en) | 1985-06-28 | 1992-12-29 | Merck & Co., Inc. | Heteropolysaccharide S-657 |
| JP4642160B2 (ja) | 1995-12-15 | 2011-03-02 | モンサント・カンパニー | セメント系における改善された流動学的性質の制御方法 |
| US6362156B1 (en) | 1998-12-16 | 2002-03-26 | Unilever Home & Personal Care, Usa, Division Of Conopco, Inc. | Pourable transparent/translucent liquid detergent composition with suspended particles |
| EP1261717B1 (en) | 2000-03-02 | 2008-05-07 | CP Kelco U.S., Inc. | Mutant bacterial strains of the genus sphingonomas deficient in production of polyhydroxybutyrate and a process of clarification of sphingans |
| WO2002055641A1 (en) | 2000-11-24 | 2002-07-18 | The Clorox Company | Mixed surfactant cleaning compositions with reduced streaking |
-
2001
- 2001-11-26 US US09/992,563 patent/US6620775B2/en not_active Expired - Fee Related
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2002
- 2002-11-13 DK DK02778620T patent/DK1448756T3/da active
- 2002-11-13 AT AT02778620T patent/ATE301180T1/de not_active IP Right Cessation
- 2002-11-13 CA CA002468150A patent/CA2468150A1/en not_active Abandoned
- 2002-11-13 DE DE60205403T patent/DE60205403T2/de not_active Expired - Fee Related
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- 2002-11-13 AU AU2002340272A patent/AU2002340272A1/en not_active Abandoned
- 2002-11-13 EP EP02778620A patent/EP1448756B1/en not_active Expired - Lifetime
- 2002-11-13 PT PT02778620T patent/PT1448756E/pt unknown
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Also Published As
| Publication number | Publication date |
|---|---|
| JP2005510621A (ja) | 2005-04-21 |
| ES2244813T3 (es) | 2005-12-16 |
| US20030100460A1 (en) | 2003-05-29 |
| ATE301180T1 (de) | 2005-08-15 |
| WO2003046116A1 (en) | 2003-06-05 |
| CN1589316A (zh) | 2005-03-02 |
| PT1448756E (pt) | 2005-10-31 |
| EP1448756B1 (en) | 2005-08-03 |
| AU2002340272A1 (en) | 2003-06-10 |
| DK1448756T3 (da) | 2005-10-17 |
| DE60205403D1 (de) | 2005-09-08 |
| EP1448756A1 (en) | 2004-08-25 |
| DE60205403T2 (de) | 2006-06-01 |
| CA2468150A1 (en) | 2003-06-05 |
| US6620775B2 (en) | 2003-09-16 |
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