CN1662638B - 基于离子液体的产品以及其使用方法 - Google Patents
基于离子液体的产品以及其使用方法 Download PDFInfo
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- CN1662638B CN1662638B CN038148986A CN03814898A CN1662638B CN 1662638 B CN1662638 B CN 1662638B CN 038148986 A CN038148986 A CN 038148986A CN 03814898 A CN03814898 A CN 03814898A CN 1662638 B CN1662638 B CN 1662638B
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Landscapes
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- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
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Abstract
包含离子液体的组合物以及它们在表面或气体处理组合物中的应用。
Description
发明领域
本发明涉及离子液体、基于离子液体的产品以及上述离子液体产品和/或组合物的使用方法。
发明背景
近年来,离子液体已被广泛地评价为环境友好或“绿色”替代物,代替在有机合成中广泛应用的常规有机溶剂。此外,离子液体还可作为催化剂用于有机合成应用中。
离子液体也可用于在电化学,例如,燃料电池、电沉积法和其它电化学应用。
此外,在水基化学可能成问题的应用中(例如,涉及质子转递或亲核性的应用),或在某些配位化学对所包含的底物可能有破坏作用的应用中,离子液体已被证明是有效的。
在过去,已研究了很宽范围的离子液体。一类广泛研究的离子液体包括咪唑啉盐,如BMIM/PF6(丁基甲基咪唑啉六氟磷酸盐)。
其它熟知的离子液体包括N-1-乙基-3-甲基咪唑啉氯化物三氯化铝(III),其通常称为[emim]Cl-ALCl3;和N-丁基吡啶氯化物三氯化铝(III),其通常称为[Nbupy]Cl-AlCl3。
用于各种化学方法的这些离子液体及类似物的常规应用描述于J.D.Holbrey和K.R.Seddon的“Ionic Liquid”和“Clean Productsand Processes”中(第1卷,第223页至236页,1999年)中。
除了化学方法之外,离子液体还可用作微生物/植物生长调节剂(如FR 2434156中所述)、抗静电剂(如JP10-265674和美国专利3,282,728中所述)以及水果和蔬菜农产品处理剂(如WO01/19200中所述)。
离子液体的其它用途描述于美国专利6,048,388(作为墨水组合物的组分)和J.Am.Chem.Soc.,第124卷4974页至4975页(2002)(作为溶解纤维素的试剂)中。
现有技术中还未提出在表面或空气处理组合物中使用离子液体,以用于消费品和/或工业品。而且,现有技术中还未提出包括不同离子液体组分的混合物的离子液体混合物/合剂。
因此,需要提供包含离子液体的组合物,该离子液体适用于表面处理或空气处理组合物。还需要上述组合物适于消费应用(如用于房屋或汽车)和/或工业应用。
也希望上述组合物包含离子液体的混合物,以增强由若干离子液体提供的所需有益效果。
发明概述
本发明提供了离子液体、基于离子液体的产品/组合物以及它们的使用方法。
在本发明的一个方面,提供了包含离子液体的表面或空气处理组合物。
在本发明的另一个方面,提供了处理目标表面或空气的方法。
在本发明的另一个方面,提供了用本发明方法处理的表面。
在本发明的另一个方面,提供了一种制品,该制品包含底物和与该底物相联系的离子液体。
在本发明的另一个方面,还提供了离子液体混合物,该混合物包括三种或更多种不同的离子液体组分。
发明详述
定义
本文所用术语“消费品”是指使用者(即消费者)所用的物品,该物品用于他们自身、房屋(如厨房表面、浴室表面、地毯、地板、窗户、镜子和台面)、汽车(如汽车内部、汽车外部、金属表面和挡风玻璃)和其它个人或家庭用品(如盘碟、织物、炊具、器皿、餐具和玻璃器皿)之中、之上或周围。“消费品组合物”还可包括由公共场所使用者(如旅馆、饭店、办公室)或服务供应商(如商业干洗店和清洁服务)所使用的物品。
本文所用术语“工业品”是指生产制品的商业过程中所用的物品。非限制性实施例包括用于脱脂制品(如金属)的脱脂组合物和用于将纺织品加工和/或修整成织物制品(如衣服、纬幔)的纺织品处理组合物。
本文所用术语“处理”是指用于清洁、更新或维护目标表面或空气的组合物或方法。例如,“更新”包括从织物制品上除去褶皱或磨损的外观的方法,或赋予织物制品、空气或硬质表面以舒适气味的方法。
离子液体
本文所用术语“离子液体”是指室温(典型约20℃至25℃)下为液体形式的盐。典型地,离子液体具有的熔点为约40℃或更低。这些盐中,有些可具有含氮芳族部分,以作为阳离子组分。其它盐可具有含磷的阳离子组分。这些盐典型的阴离子组分包括,但不限于,甲酯硫酸根、PF6 -、BF4 -或卤化物。
应当理解,术语“离子液体(ionic liquid)”、“离子液体(ionicliquids)”和“IL”是指离子液体、离子液体复合物以及离子液体混合物(或合剂)。
离子液体所具有使它们成为比常规溶剂具有吸引力的替代品的一些性质,包括:
a)离子液体具有宽阔的液相范围;有些离子液体至-96℃仍可具有液体形式,而有些至200℃仍是热稳定的;这可在许多有机反应中进行有效的动力学控制;
b)离子液体没有显著的蒸汽压,因此它们易于处理,并且它们减少了在挥发性可能是个问题这一方面的安全考虑;
c)离子液体由于它们的高极性,是许多有机和无机物质的有效溶剂;
d)离子液体是有效的布朗斯台德酸/路易斯酸;
e)可调节离子液体至所需的特殊应用/化学性质,例如,它们可选择性地制备,以具有可从亲水性变化到疏水性的性质。
由于它们的高极性和电荷密度,离子液体具有独特的溶剂化性质,并可用于多种应用中。这些应用包括:作为绿色溶剂在有机合成中的应用,在电化学(电池、电镀)中的应用,在新型材料科学(液晶、凝胶、橡胶)的应用,以及作为新型薄膜在燃料电池和分离中的应用。
和众多具有各种反离子、烷链长度和替换环状结构(如吡啶正离子)的类似物。可调节和混合这些变量,这样可以为具体的应用定制离子液体的性质。已将这些定制的离子液体称为“设计者溶剂”。
代表性的离子液体可具有式I至VI的结构:
其中R1-R4选自直链或支链的,取代或未取代的烷基、芳基、烷氧基烷基、烯烃芳基羟基烷基或卤代烷基;X为阴离子;Y为阳离子;Z为能够形成氢键的中性分子;选择m和n以提供电中性;且q为0至1000的整数;所得盐在约40℃或更低温度下为液体。X的非限制性实施例包括甲酯硫酸根、PF6 -、BF4 -或卤化物;Z的非限制性实施例包括甘油、柠檬酸、尿素或其它中性质子给体或受体;且Y典型地包含杂原子,如氮原子或磷酸盐。可以变化R、X和Z部分,为意欲进行的应用提供所需的溶剂化性质、粘度、熔点以及其它性质。
该离子液体复合物包括盐(其在室温下为固体)和如上所述的质子给体Z(其可为液体或固体)的混合物。混合后,这些组分在约40℃或更低的温度下变成液体,并且该混合物的性质象离子液体。包括依照化学式III的各种盐和质子给体的离子液体复合物公开于WO02/26701中,并可购自Scionix Ltd.,London,United Kingdom。
可用于本发明的离子液体的其它实施例描述于美国专利6,048,388中。
离子液体合剂
如化学式I至VI中所描述的,每种离子液体可包括一种阴离子IL组分和一种阳离子IL组分。当离子液体为其液体形式时,这些组分可自由地相互结合(即混合)。本文所用术语“离子液体合剂”包括至少三种不同的且带电荷的IL组分,其中至少一种IL组分为阳离子,且至少一种IL组分为阴离子。因此,在合剂中,成对的阳离子IL组分和阴离子IL组分将产生至少两种不同的离子液体。
可通过混合具有不同IL组分的单独的离子液体或通过组合化学来制备离子液体合剂。
值得注意的是,尤其可以通过组合化学来制备离子液体。例如,下列基于咪唑离子的离子液体合剂可组合地由三种单独的IL组分(烷基化的咪唑、卤代烷和带阴离子电荷的反离子,如卤离子)来制备。下列图示说明了组合化学产生离子液体合剂的过程。
首先,咪唑部分与十种不同种类的R1Br相结合,以产生十种不同的烷基化咪唑阳离子与Br-反离子的混合物。然后,烷基化咪唑阳离子与十种不同种类的R2Br相结合,以产生一百种不同的烷基化咪唑阳离子与溴反离子的混合物。该混合物可进一步与十种不同种类的X-阴离子相结合,以产生1000种离子液体的混合物。R1、R2和X部分可选自化学式I至VI中公开的那些取代基和阴离子。
离子液体混合物或合剂是高度有利的,因为多个官能团和反离子赋予了不同程度的疏水性或亲水性,以及不同程度的溶剂化能力的其它方面。上述混合物或合剂在其与污渍/底物的混合物(可能存在于用该混合物或合剂所处理的目标表面上)的相互作用中,将更加有效。例如,焙盘上烧干的烤宽面条残渣/污渍可包括蛋白质/淀粉/类脂的非均匀混合物,其中的大部分可能已经是聚合的。因此,离子液体合剂中大多数带电荷的IL组分,在作用和除去上述污渍中是高度有效的。
包含离子液体的组合物
该离子液体可存在于各种组合物中,以任何所需的有效量适用于上面公开的应用中,所需有效量取决于意欲应用的性质。典型地,该离子液体的含量按所述组合物的重量计为约0.1%至约99.9%、优选为约1%至约85%、更优选为约5%至约75%。在有些实施方案中,该离子液体的含量按所述组合物的重量计至少为约50%。
许多离子液体是吸湿的,因此可包含可观量的水(本文中称为“固有水”)。该水的含量按所述离子液体的重量计为约0.01%至约50%。应当指出,在制备本发明的组合物中可加入“游离水”。本领域的普通技术人员将认识到,一旦将组分(如固有水和游离水)混合在组合物中,该组分就不再以它们的原有形式为特征,并且总体上按照总成分的百分比来报导。因此,本发明组合物可包含水,无论其原有的形式,其含量按所述组合物的重量计为约0.01%至约50%、优选约1%至约40%、更优选约5%至约30%。
可以将包含IL的组合物配制成液体、凝胶、糊剂、泡沫或固体的形式。当该组合物为固体形式时,可将其进一步加工成颗粒、粉末、片剂或条状物。
该离子液体组合物还可包括通常用于空气或表面处理组合物中的辅助成分。当含有辅助成分时,其含量按所述组合物的重量计为约0.01%至约10%、优选约0.1%至约5%。
适宜的辅助成分可选自酶、漂白剂、表面活性剂、香料、共溶剂、清洁剂、抗菌剂、抗静电剂、增白剂、染料固化剂、染料磨损抑制剂、摩擦脱色牢度改进剂、去皱剂、抗皱剂、去污聚合物、防晒剂、抗褪色剂、助洗剂、起泡剂、组合物恶臭控制剂、染料、着色剂、色斑、pH缓冲剂、防水剂、拒污剂,以及它们的混合物。
适宜辅助成分的实施例公开于Beerse等人的U.S.6,488,943、Buzzaccarini等人的U.S.6,548,470、Gordon等人的U.S.6,482,793、Sivik等人的U.S.6,573,234、Price等人的U.S.6,525,012、Littig等人的U.S.6,566,323、Jackson等人的U.S.6,090,767和Sherry等人的U.S.6,420,326中。
酶典型的实施例包括蛋白酶、淀粉酶、脂肪酶,以及它们的混合物。当含有酶时,其含量按所述组合物的重量计为约0.01%至约10%、优选约0.1%至约5%。
共溶剂典型的实施例包括直链或支链的C1-C10的醇、二醇,以及它们的混合物。共溶剂,如乙醇、异丙醇、丙二醇,被用于本发明的一些组合物中。
低粘度离子液体与合剂
典型地,离子液体在室温下具有高粘度(大于约1000mPa·s)。在配制组合物和在应用中,高粘度可产生问题。因此,本发明涉及的离子液体或离子液体合剂(未用助剂、共溶剂或游离水稀释)所具有的粘度在20℃下测定,小于约750mPa·s、优选小于约500mPa·s。在有些实施方案中,未经稀释的离子液体的粘度为约0.1至约400mPa·s、优选为约0.5至约300mPa·s、更优选为约1至约250mPa·s。
20℃下,可在Brookfield粘度计(型号LVDVII+)上测量离子流体以及包含它们的组合物的粘度,该粘度计配有S31号的转子以适宜的转速测量不同粘度的物质。典型地,可如下进行测量:12rpm的转速测量粘度大于约1000mPa·s的产物;以30rpm的转速测量粘度在约500mPa·s至约1000mPa·s之间的产物;以60rpm的转速测量粘度小于约500mPa·s的产物。可如下处理未稀释状态:室温下,在测量粘度前,将离子液体或合剂在含有干燥剂(如氯化钙)的干燥器中保存至少约48小时。这个平衡周期使未稀释样本中固有水的量达到一致。
供消费者和公共场所使用的组合物中离子液体的新用途
申请人已令人惊奇地发现,可将离子液体加入到表面处理组合物中,以增强它们的清洁和护理有益效果。上述有益效果包括,但不限于,从所处理表面上渗透并移除污垢,或改进织物和纤维的美观性。表面可包括存在于厨房、浴室、汽车等处的硬质表面,和通常存在于衣服、纬幔、亚麻制品、地毯等处的软质表面,包括纤维、纺织品、织物或织物制品及其组合。在一个技术方案中,软质表面选自织物制品、纺织品、纤维,以及它们的组合;并且硬质表面选自盘碟、炊具、器皿、玻璃器皿、台面、浴室表面、厨房表面、地板、窗户、汽车内部、汽车外部、金属以及它们的混合。
申请人还已发现,离子液体还可有利地用于空气处理组合物中。
不受理论的束缚,据信可将离子液体上固有的化学属性和/或物理属性有利地用于表面或空气处理组合物中。一方面,由于离子液体的高极性和电荷密度,使其具有高度的增溶能力;从而离子液体是污垢的有效溶剂。因此,包含离子液体的组合物与不包含离子液体的类似组合物相比,显示具有增强的污垢移除能力。另一方面,可变化离子液体的官能团和反离子,这样可将所得的离子液体“调节”至目标污垢或表面的特性。例如,可选择官能团,以使所得离子液体具有所需的亲水度或疏水度,以与目标污垢或表面进行更强烈或更有利的相互作用。离子液体可有效地与污垢或底物相互作用的机理包括,但不限于,电荷转移、离子交换、范德瓦尔斯力和氢键。另一方面,离子液体有效的溶剂化性能还能够使其溶解某些聚合材料,该聚合材料可溶解于即使有也是极少数的溶剂介质中。上述难于溶解的聚合物的实施例包括,但不限于,生物薄膜、烤干或烧干的污垢、聚合的污垢,等等。
在织物清洁和/或处理应用中,离子液体可提供高极性而没有水的有害作用。例如,水可造成对某些织物的损伤;这些损伤包括收缩、掉色、变形和折皱等。
此外,当配制供处理织物或类似软质表面所用的组合物时,水的亲核性和质子性可导致不可取的效果。例如,水对纤维素的溶胀能力和氢键结合能力可增加织物的磨损和收缩。可特制或选择无亲核性和/或质子惰性的离子液体,这样它们就不会对纤维素纤维或织物有这些不利的影响。
另一方面,该离子液体还是非挥发性和不易燃的,并且具有高度的热稳定性;因而,它们尤其适用于表面或空气处理组合物中,以保证安全和美观性。用于消费、工业或公共场所设备中的组合物具有化学蒸汽或低闪点通常是不可取的。组合物在用它们处理的表面上留下难看的条痕也是不可取的。通常所用的有机清洁溶剂趋于具有化学蒸汽,该蒸汽可能是有毒的、易燃的或有恶臭的。其它通常所用的组合物可在所处理的表面上留下难看的或条纹状的残余,因而在应用后,需要将它们从该表面上除去(如通过擦拭、漂洗等)。相比之下,离子液体基本上没有蒸汽压(即在室温或接近室温下,无明显的蒸汽压);用离子液体作为溶剂或活性成分的组合物可避免与化学蒸汽有关的问题,因此这是高度有利的。此外,上述组合物可用作免洗型产品,并在所处理表面上产生美学上令人愉悦的效果。
因此,独特的和可定制的物理和化学性质使得离子液体克服了一些在处理软质或硬质表面或空气方面一直存在于现有技术组合物中的问题。
因此,在下列应用中,本发明涉及组合物、消费品、工业品,以及使用上述产品的方法:盘碟/食品清洁、家庭护理(厨房/浴室)、生物薄膜除去、干洗(家用和商用)、洗涤(预处理、清洁和织物护理)、纺织品加工和修整、汽车护理(内部和外部)、工业脱脂,以及空气护理。
该离子液体在这些应用或产品中,可用作纯溶剂(即作为纯的未稀释的离子液体或离子液体复合物),用作与水或其它有机溶剂相结合的共溶剂,或用作助剂(其中连续相是水或别的溶剂,如直链或环状硅氧烷、卤代烃)。可将各种辅助成分掺入到上述组合物中。
可通过输送部件(如泵、喷雾器等),将该离子液体或包含它们的组合物以液体或液体组合物的形式递送到目标表面上或空气中。还可通过片状底物(如由纺织材料物或无纺材料制成的擦拭物)、蜂窝状底物(如海绵或泡沫)或类似底物,递送该离子液体或包含它们的组合物。此外,可将该离子液体或包含它们的组合物掺入/沉积到惰性多孔载体物质中,制成粉末、片剂等形式。
本发明还涉及包括底物和与所述底物相结合的本发明组合物的制品,其中所述底物选自纺织的纤维底物、无纺纤维底物、编织的纤维底物、基于纸浆的透气毡底物、基于纸浆的湿法成网底物、泡沫、海绵以及它们的组合。
家庭护理
住宅周围硬质表面上的某些污垢非常难以除去,并且无法用常规的清洁制剂充分地处理或除去。这些污垢可包括食物类污垢、户外污垢、汽车污垢等,这些污垢可存在于厨房、浴室、盥洗室内及四周、家具上,以及其它地方。
离子液体组合物可以液体的形式,作为液体喷剂、作为气溶胶喷剂或作为倾倒的液体,施用到目标表面上当作为倾倒的液体时,其可通过底物,如纤维网底物(由纺织技术、无纺技术或编织技术制成)、基于纸浆的底物(由气毡或湿法成网技术制成,包括纸巾、薄纸)、海绵底物或泡沫底物,直接或间接倾倒在目标表面上。另一种使用方式是将离子液体组合物掺入到这些底物中或底物上(如浸渍于擦拭物中或连指手套中),这缓解了那些需要完全弄干的应用中存在的残余物的问题。
在家庭护理应用中,离子液体的性质在去除生物薄膜方面是独特的。生物薄膜包括固定于表面上的微生物有机体的高细胞密度群落;并且典型地,该微生物包埋于多糖底物中。已知,生物薄膜非常顽强,并且对于常规抗微生物试剂的处理有抗力。甚至用具有极端侵蚀性的清洁剂(如氯漂白剂),也无法将生物薄膜从目标表面上除去或清除。由于该离子液体是许多有机物质的有效溶剂,所以它们显示具有可溶解多糖的能力。因此,包含离子液体的组合物可用于清洁和/或除去硬质和软质表面上的生物薄膜、霉菌和其它包含微生物的污垢。
而且,离子液体的阳离子部分是四烷基胺或四烷基膦基团,其据信具有杀菌性能。因此,包含一种或多种该离子部分的离子液体可作为杀菌剂与微生物有机体相互作用,以提供消毒的有益效果。上述清洁和杀菌功能还可施用在非住宅设备上,如在公共场所(如医院或饭店)中,其中卫生处理以及污垢去除是极为重要的。
盘碟清洁和护理
离子液体及组合物还可用于清洁盘碟、餐具和炊具上的某些顽固的食物污垢。例如,可用它们有效地预处理烧干或烤干的污垢,除用高温或高机械能(如剧烈的擦洗)方法外,这些污垢是几乎不可能除去的。不受理论的束缚,据信离子液体溶解聚合物质或极性物质的能力,可有效地用于清洁和/或去除上述顽固污垢。离子液体去除聚合油脂尤其有效,这些聚合油脂来自于蒸煮过程中,烤后残留或烧后残留的油脂或油;更糟的是,该聚合油脂通常是在较长的时间内,经过重复使用和使用之间无效的清洗形成的。据发现,在去除聚合油脂方面,离子液体组合物甚至比最强的有机溶剂或有机溶剂混合物更加有效。为了处理存在于大部分厨房中的各种食物污垢,将需要包含离子液体与共溶剂混合物的组合物。
洗涤
由于离子液体的溶解力,它们在用于衣物洗涤剂配制上具有令人惊奇的优点。在本发明的一个方面中,离子液体可提供预处理的有益效果,尤其是对于传统溶剂和表面活性剂都无能为力的污渍。例如,机油污渍和“多相的”体垢,其包括颗粒、类脂、蛋白质等的混合物。对于这个应用,该离子液体可以是纯液体或包括在组合物中,并且可作为预处理产品或作为助剂,施用到手洗或机洗衣物洗涤剂中。
在本发明的另一方面,离子液体可对于重垢型衣物(HDL)洗涤剂提供配制有益效果。由于许多成分的化学或物理不稳定性和/或与其它成分的不相容性(导致从衣物洗涤剂中相分离、沉淀等),所以不能配制到衣物洗涤剂中。这些“难以掺入的”成分包括某些阴离子聚合物和某些漂白成分(例如聚羧酸盐)。离子液体的溶解力、极性以及可调节的亲水性和/或疏水性使其更易于用这些成分配制。
在一个技术方案中,衣物洗涤剂选自重垢型衣物洗涤剂、预处理组合物以及它们的组合。
干洗、无水清洁及特殊的织物护理
离子液体及包含它们的组合物在织物清洁应用中是尤其有用的,该应用涉及只能干洗的织物或易损的织物。如上所述,离子液体组合物可避免水的破坏作用,同时还提供所需的高极性以溶解极性污渍(如食物、饮料和颗粒),常规的干洗溶剂对于这些污渍不是特别有效。
该离子液体可用作预处理溶剂或用作主要的清洁溶剂。大多数常规预处理溶剂或干洗溶剂是基于水的或基于挥发性有机化合物(VOC)。一方面,离子液体对于这些易损的织物没有水的有害效果;另一方面,离子液体也没有有机溶剂挥发性所产生的健康和安全问题。
而且,对于具有离子交换的污渍或不溶于水或有机溶剂的污渍,该离子液体的功效甚至更大。例如,离子液体可与蛋白质相互作用,以使得它们更易溶解于硅氧烷溶剂中,如十甲基环五硅氧烷(D5)。应用包括商用干洗用具、家用干洗用具,或用于“家庭干洗”的套盒(如)。
此外,离子液体通过产生离子中间体的电荷转移/形成,可在干洗体系中进行漂白。而且在包括溶剂再循环的体系中,离子液体使清理和溶剂再循环更加容易。
纺织品加工和家庭织物护理
离子液体及包含它们的组合物还可用于织物处理应用中,尤其是用于基于纤维素的织物中,如棉织品。
不受理论的束缚,据信离子液体溶解纤维素的能力可促进纤维素某种晶体结构的变化;已证实,上述变化改进了纺织品的品质。纤维素几乎不溶于任何事物。而且,不采用苛刻的化学处理而使纤维素产生变化,是困难或昂贵的。
多种应用包括为家用设计的消费者织物护理产品,或为纺织品加工和修整产业设计的工业织物处理产品。例如,离子液体可以辅助熨烫组合物的形式得到消费应用,消费者可将该组合物喷在织物表面上,然后熨烫之。在纺织品加工工业中,离子液体组合物可用作浴液或薄雾,以向纺织品或纤维引入有益的变化。离子液体还可用作“引物”,以将其它纺织品活性物质或方法施用到纺织品或纤维上。总之,用离子液体组合物处理的织物、纺织品或纤维,显示更好的功能或美学上更加令人愉悦的外观,以及其它有益效果,如耐久熨压的有益效果、耐皱的有益效果、防静电的有益效果、纤维强化的有益效果、防缩水的有益效果,和类似的织物护理有益效果。
而且,由于离子液体没有蒸汽压,浴液不会产生化学蒸汽,并不会对工业用户产生VOC安全问题或环境问题。
汽车护理
存在于汽车内部和外部的某些污垢是非常难于除去的,尤其当它们由于发动机加热和/或日光暴晒而被烤干时。上述污垢可包括死的昆虫、油脂、烟灰、鸟粪、食物或饮料溢出物。可选择离子液体以渗透和帮助去除上述污垢。而且,与有机溶剂不同,可以调节该离子液体的化学结构,以便不损伤所处理的表面,例如汽车外部的磨光。该组合物的应用可采用充满IL组合物的喷剂或擦拭物的形式或其它本领域已知的形式,以用于递送液体组合物。由于离子液体的惰性,它们还用作汽车防冻剂组合物。
空气护理
离子液体还能够有利地用于空气护理组合物或装置中。在本发明的一个实施例中,由于离子液体基本上没有蒸汽压,其可用作静电除尘器。在本发明的另一个实施例中,离子液体作为溶剂可在基于气旋的空气取样器中提供优点。此外,离子液体可通过电荷转移机理/缔合,有助于从空气中除去带电的颗粒(烟灰等),因而免除或减少了对了基于底物/纤维的昂贵技术的需要,并且由于不需高压来经由过滤器抽气,所以通过增加通过量而提高了效率。
工业脱脂
在许多工业应用中,油脂,尤其由于高温和/或机器中存在的摩擦而变得聚合的油脂,是一个主要的问题。典型地,用有机溶剂或高压蒸汽进行清洁。在上述应用中,离子液体或包含它们的组合物是高度有利的,因为它们可有效地除去顽固的油脂,并且与使用挥发性化学药品或高压蒸汽相比,使用更加安全。
实施例
下列是包含离子液体的消费品组合物的非限制性实施例。
1 | 2 | 3 | 4 | 5 | 6 | 7 | |
离子液体 | 50 | 50 | 90 | 90 | 95 | 95 | 98 |
美感剂<sup>1</sup> | 1 | 2 | 1 | 1 | 1 | 1 | 1 |
酶<sup>2</sup> | 2 | - | - | 1 | - | - | - |
助剂<sup>3</sup> | 10 | 5 | 5 | - | - | - | - |
共溶剂<sup>4</sup> | - | 5 | 2 | - | - | - | - |
水 | 余量 | 余量 | 余量 | 余量 | 余量 | 余量 | 余量 |
1.美感剂可选自染料、着色剂、色斑、香料,以及它们的混合物。
2.酶可选自蛋白酶、淀粉酶、脂肪酶,以及它们的混合物。
3.助剂可选自表面活性剂、酶、漂白剂、防腐剂,以及它们的混合物。
4.共溶剂可选自乙醇、异丙醇、丙二醇,以及它们的混合物。
可将所有上述组合物浸渍在吸收剂底物的一侧或两侧上,以提供“擦拭物”用于某些应用中。所述吸收剂底物可由任何纺织的或无纺的纤网或泡沫网组成。所述吸收剂底物应具有足够的湿强度,以容纳有效量的含离子液体的组合物。
所有引用文献的相关部分均引入本文以供参考,任何文献的引用不可解释为对其作为本发明的现有技术的认可。
尽管已说明和描述了本发明的具体实施方案,但对于本领域的技术人员显而易见的是,在不背离本发明的精神和保护范围的情况下可作出许多其它的变化和修改。因此有意识地在附加的权利要求书中包括属于本发明范围内的所有这些变化和修改。
Claims (4)
1.用于消费品的空气处理的组合物,所述组合物包含离子液体和辅助成分,所述离子液体的含量按所述组合物的重量计为50%至99.9%,所述辅助成分选自清洁剂、酶、漂白剂、表面活性剂、美感剂、水、共溶剂以及它们的混合物,其中所述组合物为空气护理组合物,和其中所述离子液体在40℃或更低温度下为液体且具有以下通式:
或它们的混合物;
其中R1-R2选自直链或支链的,取代或未取代的烷基、芳基、烷氧基烷基、烯烃芳基羟基烷基或卤代烷基;X为阴离子;并且选择m和n以提供电中性;
其中在20℃下,所述离子液体在其未稀释形式下测得的粘度小于750mPa·s;且
所述组合物为固体形式,所述固体形式选自片剂、条状物以及它们的混合物。
2.如权利要求1所述的组合物,其中所述美感剂选自香料。
3.如权利要求1-2中任一项所述的组合物,其中辅助成分的含量按所述组合物的重量计为0.01%至10%。
4.处理空气的方法,所述方法包括以下步骤:
将所述空气与如权利要求1-3中任一项所述的组合物接触。
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CA2488217C (en) | 2012-12-11 |
KR20050016943A (ko) | 2005-02-21 |
ATE498676T1 (de) | 2011-03-15 |
CN1931989B (zh) | 2011-01-12 |
MXPA04012619A (es) | 2005-03-23 |
KR100669842B1 (ko) | 2007-01-19 |
WO2004003120A3 (en) | 2004-09-02 |
KR100669841B1 (ko) | 2007-01-19 |
BR0312275A (pt) | 2005-04-26 |
CN1931989A (zh) | 2007-03-21 |
US20040077519A1 (en) | 2004-04-22 |
EP1517982A2 (en) | 2005-03-30 |
EP1517982B1 (en) | 2011-02-16 |
US20080017224A1 (en) | 2008-01-24 |
US20060240728A1 (en) | 2006-10-26 |
WO2004003120A2 (en) | 2004-01-08 |
AU2003251635A1 (en) | 2004-01-19 |
JP2005530910A (ja) | 2005-10-13 |
US20060240727A1 (en) | 2006-10-26 |
DE60336059D1 (de) | 2011-03-31 |
CN1662638A (zh) | 2005-08-31 |
CA2488217A1 (en) | 2004-01-08 |
AU2003251635B2 (en) | 2007-11-29 |
KR20060092296A (ko) | 2006-08-22 |
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