CN102348846B - 织物处理组合物及方法 - Google Patents
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Abstract
本发明涉及一种织物处理组合物及处理织物的方法。本发明的目的是提供一种赋予织物较好防污性能的织物处理方法及织物处理组合物。已经发现,当包含粘土、硅油和脂肪酸的组合物在水存在下,于特定的pH条件下与织物接触时,给予织物疏水性,从而提高了防污性能。
Description
技术领域
本发明涉及一种织物处理组合物以及处理织物的方法。
背景技术
贯穿说明书的现有技术的任何讨论都不应该被看作是承认该现有技术是家喻户晓的,或者该现有技术形成本领域的普通常识的一部分。
常规的清洗方法涉及有效清洗织物上的污物。有些清洗制剂包括使油污易于从织物上去除的去污剂。然而,常规清洗制剂不能有效帮助降低织物在随后的洗涤后的沾污。
另一方面,各种织物改性的工业处理,已知通过降低表面能或者通过给予表面结构最佳粗糙度,或者通过两种方法的结合而赋予织物疏水性。这种类型的织物改性通常是在织物制造过程中进行的,并且包括使用昂贵的化学药品如含氟聚合物的复杂过程。此外,这些过程相对较难在家庭中便利使用。
因此,织物处理方法中存在的一个未满足的需求,就是该方法能够在家庭中使用以降低织物后续沾污。
这样一种方法,公开在我们待审的申请1691/MUM/2007(印度联合利华有限公司)中,是在含水载体的存在下,用碱土金属、钛或者锌的化合物,用铝的水溶性化合物,以及用C8-C24的皂来处理织物的多步骤方法。然而,其中所公开的该多步骤方法相对不便利,并且用户相对不容易使用。此外,为了有效使用该方法,必须与目标用户交流以用步进方式将成份施用到织物中。目标用户可能不具有足够的教育水平来正确遵循操作指南,因此需要一种给予疏水性并减少后清洗的单步骤方法。
发明内容
本发明的目的是克服或者改善现有技术中的至少一个缺点,或者是提供有益的替代方案。
本发明的目的之一是提供一种处理织物的方法和织物处理组合物,以给予织物相对较好的疏水性。
本发明的另一目的是提供一种处理织物的方法和织物处理组合物,以给予织物相对较好的抗污性能。
本发明人惊喜地发现,在水的存在和特定的pH值条件下,一种包含粘土,硅油和脂肪酸的组合物与织物接触时可以赋予织物疏水性。
发明概要
根据发明的第一方面,提供了一种织物处理组合物,其包含粘土,硅油和脂肪酸,其特征在于
a.组合物包含至少30%重量的粘土;以及
b.组合物pH值小于或等于6。
根据本发明的第二方面,提供了一种织物处理方法,其包括在水的存在下,使用第一方面的织物处理组合物与织物相接触的步骤。
发明详述
织物
能够处理的织物包括合成纺织品和天然纺织品。织物可以由棉,聚酯棉,聚酯,丝绸或者尼龙制成。可以想到本发明的方法能够用于处理服装,以及其他布料和服装材料,这些成为家庭洗涤中通常的洗涤装载物。根据本发明的方法,能够处理的家用材料包括但不限于,床罩,毛毯,地毯,窗帘以及垫衬物。尽管本发明方法主要描述用于处理织物,可以想到,本发明的方法能够有利地用于处理其他材料,如黄麻,斜纹粗棉布以及帆布。可以想到本发明的该方法能够用于处理物品如鞋子和夹克。
粘土
织物处理组合物包含至少30%重量的粘土。粘土优选占织物处理组合物重量的30%-90%,更优选50%-90%,而且最优选60%-85%。
尽管可以用任何类型的粘土,但是优选2∶1粘土。可用的1∶1粘土包括高岭土,地开石,埃洛石(halloyside),珍珠陶土,贵橄榄石,利蛇纹石,以及镁绿泥石。优选的2∶1粘土为蒙脱石、膨润土(bentonite)以及绿土(Smectite)。
硅油
优选硅油占织物处理组合物重量的3%-50%,更优选3%-30%,并且最优选5%-10%。优选硅油为聚二甲基硅氧烷。
可使用的市购硅油的一些实例,包括Q2-1607(购于Dow Corning),1107(购于Dow Corning),SF8417(购于Dow Corning),Q2-8166(购于Dow Corning),2-8630,Q2-8460(购于Dow Corning),3-0213(购于Dow Corning),2-8040(购于Dow Corning)以及ARA-222(购于Dyetech,Inc),SM2125(购于MomentivePerformance materials),SMW32(购于Momentive Performance materials),SM2059(购于Momentive Performance materials)以及AN101(购于Resil),AE104(购于Resil)和AE112(购于Resil)。
脂肪酸
优选脂肪酸占织物处理组合物重量的5%-50%,更优选5%-30%,并且最优选5%-20%。
脂肪酸中的碳原子数优选为8-50,更优选10-48,最优选12-22。
尽管饱和与不饱和脂肪酸都能使用,但是优选脂肪酸为饱和脂肪酸。优选,饱和脂肪酸选自月桂酸,肉豆蔻酸,硬脂酸,棕榈酸,或者它们的混合物。
不饱和脂肪酸的例子包括油酸,亚油酸,亚麻酸,蓖麻油酸,反油酸,伞形花子油酸,芥子酸,棕榈油酸,十四烯酸(myrostoleic acid),12-羟基油酸。
可以直接添加脂肪酸到组合物中,或者,可以想到将相应的脂肪酸皂和无机或者有机酸添加到组合物中,以在组合物中原位生成脂肪酸。
优选粘土与脂肪酸的质量比大于1。
织物处理组合物的pH值
织物处理组合物的pH值是指将1份织物处理组合物加入到99份水中所得的混合物的pH值。重要的是组合物的pH值小于或等于6。织物处理组合物优选包含除脂肪酸外的酸,以确保织物处理组合物的pH值小于或等于6。除脂肪酸外的酸,优选占织物处理组合物重量的0.1%-20%,更优选0.5%-10%,最优选1%-5%。
表面活性剂
组合物可以包含表面活性剂。但是如果表面活性剂存在,优选其不大于所述组合物重量的5%,更优选不大于2%,并且最优选不大于1%。
任选成份
织物处理组合物可以包含其他任选成份,该任选成份包括荧光增白剂、香精和防腐剂。
处理织物的方法
处理织物的方法包括,在水的存在下,将织物处理组合物与织物相接触的步骤。
重要的是,在水的存在下,织物处理组合物与织物相接触的步骤中pH值小于或等于6。可以通过向织物处理组合物中加入酸来维持该pH值。或者,在接触的步骤中加入酸,以确保在接触织物的步骤中pH值小于或等于6。
具体实施方式
实施例
现将使用实施例来展示说明本发明。实施例的目的仅仅是为了说明,并不以任何方式限制本发明的范围。
处理织物的方法
如果没有其他明确说明,织物处理组合物的制备是通过混合粘土、聚二甲基硅氧烷(来自Dow Corning的Q2-1607乳液)以及脂肪酸,并加入柠檬酸溶液调节pH值为5。如果没有其他明确说明,聚二甲基硅氧烷占组合物的重量百分比是基于无水基给出的。织物处理组合物加入到水中(200mL水中加入1.4g组合物)以制备水性悬浮液。退浆棉、聚酯棉或者聚酯(都是来自Bombay Dyeing,印度)的织物样本(尺寸10cm×10cm)浸入上述悬浮液中。保持液体与布的比例大约为3。浸渍15分钟后,织物样本从悬浮液中取出并在40℃干燥大约1小时。然后熨烫干燥的样本。
织物疏水性评价
使用Kruss接触角测试设备测量接触角。放置织物样本(处理过的或者未处理的),使用注射器在织物上放置20μL去离子水滴。使用2分钟内间隔2秒钟捕捉到的数码相片来测定接触角。如果在2分钟内保持水滴的接触角大于90°,织物被评价为疏水性的。如果液滴在2分钟之前在织物上铺展开,织物被评价为非疏水性的。
粘土含量的影响:
将织物处理组合物列于下表。所有织物处理都在pH值为5下进行。疏水性评价结果也列于下表。
表1粘土含量的影响
从结果可以清楚知晓,包含至少30%粘土的织物处理组合物赋予棉、聚酯棉以及聚酯样本疏水性,而包含小于30wt.%粘土的织物处理组合物只赋予聚酯样本疏水性。可以更进一步看出,当组合物中粘土与脂肪酸的质量比超过1时,处理的织物的疏水性提高。
pH值的影响
采用与实施例1类似的组合物处理织物,除了用肉豆蔻酸替代了硬脂酸。该处理是在如下表所示不同的pH值条件下进行的。所有试验中粘土与脂肪酸的质量比均为5。疏水性评价结果列于下表。
表2:处理中pH值的影响
从结果可以清楚知晓,在pH值为6或者小于6的情况下处理织物,提供了棉,聚酯棉和聚酯样本疏水性,同时,在pH值大于6的情况下处理织物,仅提供棉样本疏水性。
粘土类型的影响
实施例8与实施例1所用的处理组合物各个方面均相同,除了用1∶1粘土替代了2∶1粘土。在pH值为5的情况下处理。疏水性评价结果列于下表。为了方便起见,将实施例1的结果复制在下面。
表3:粘土类型的影响
根据结果可以清楚知晓,包含2∶1粘土的织物处理组合物提供棉、聚酯棉和聚酯样本疏水性,而包含1∶1粘土的织物处理组合物只提供聚酯棉和聚酯样本疏水性。
脂肪酸类型的影响
除了脂肪酸类型,处理组合物与实施例1中使用的相同,这些脂肪酸在下表中列出。在pH值为5的情况下进行所有处理。疏水性评价结果列于下表。
表4:脂肪酸类型的影响
根据结果可以清楚知晓,包含饱和脂肪酸的织物处理组合物提供棉,聚酯棉和聚酯样本疏水性,而包含不饱和脂肪酸的织物处理组合物仅提供聚酯棉和聚酯样本疏水性。
组合物中脂肪酸含量的影响
如下表所示,织物处理组合物包含硬脂酸,硅油和钠质膨润土。在pH值为5的情况下进行所有处理。疏水性评价结果列于下表。
表5:组合物中脂肪酸含量的影响
能够看出,包含至少5%重量的脂肪酸的组合物为包括棉在内的所有基材提供疏水性。
抗污性能评价
织物的污渍
采用由下述方法制得的三种类型的污渍。
1.泥污渍——从印度班加罗尔本地获得的1g红土壤(平均粒径为180微米),将其分散在200mL去离子水中。
2.番茄酱污渍——将5mL Kissan(Hindustan Unilever Limited)的番茄汁与200mL去离子水混合。
将1mL上述沾污溶液用微量吸液管一滴一滴倒在处理过的(根据实施例1)和未处理的样本上,样本置于相对于水平面倾斜40°角的一平坦表面上。在两极限值之间观测液滴的变化。在一些情况下,沾污溶液的液滴从织物上滚落,而在某些情况下,沾污溶液在织物上完全铺展,而不是滚落。织物得到的沾污通过7人小组评价得出,该小组在0-5分值之间为沾污打分,分数为0意味着没有沾污,而分数为5意思是最大沾污。低分数意思是高抗污性,反之亦然。抗污性能评价结果列于下表。
表6处理后织物的抗污性能
从结果可以看出,由本发明的组合物和方法处理的织物具有相对较高的防污性能。
应当承认的是,根据本发明的处理织物的方法和组合物,能赋予织物相对较高的疏水性,并给予织物相对较好的防污性能。
Claims (9)
1.一种织物处理组合物,其包含粘土,硅油,以及脂肪酸,其特征在于:
i)该组合物包含至少30wt%的粘土,以及
ii)该组合物的pH值小于或等于6,其中织物处理组合物的pH值是指将1份织物处理组合物加入到99份水中所得的混合物的pH值,
其中所述脂肪酸占该组合物重量的5%-50%,
其中织物处理组合物上述组分的总重量不超过100%。
2.权利要求1所述的织物处理组合物,其中所述的粘土为2∶1粘土。
3.权利要求1或2所述的织物处理组合物,其中所述脂肪酸为饱和脂肪酸。
4.权利要求1所述的织物处理组合物,其中粘土与脂肪酸的质量比大于1。
5.权利要求1所述的织物处理组合物,其中所述粘土占该组合物重量的30%-90%。
6.权利要求1所述的织物处理组合物,其中所述硅油占该组合物重量的3%-50%。
7.权利要求1所述的织物处理组合物,其中所述组合物还包含表面活性剂,其中所述表面活性剂不大于组合物重量的5%。
8.权利要求1所述的织物处理组合物,其还包含0.1wt%-20wt%的除脂肪酸外的一种酸。
9.一种处理织物的方法,包括将权利要求1所述的织物处理组合物在水的存在下与织物接触的步骤。
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PCT/EP2010/051963 WO2010102882A2 (en) | 2009-03-09 | 2010-02-17 | Fabric treatment composition and method |
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EP0244500A1 (en) * | 1984-11-12 | 1987-11-11 | Mitsubishi Kasei Corporation | Water repellent composition |
CN1653168A (zh) * | 2002-05-17 | 2005-08-10 | 宝洁公司 | 包含织物软化硅氧烷的液体洗涤剂调理组合物 |
CN101142357A (zh) * | 2005-03-18 | 2008-03-12 | 荷兰联合利华有限公司 | 织物护理组合物 |
CN101326321A (zh) * | 2005-12-12 | 2008-12-17 | 美利肯公司 | 防污和去污织物整理剂 |
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Publication number | Priority date | Publication date | Assignee | Title |
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EP0244500A1 (en) * | 1984-11-12 | 1987-11-11 | Mitsubishi Kasei Corporation | Water repellent composition |
CN1653168A (zh) * | 2002-05-17 | 2005-08-10 | 宝洁公司 | 包含织物软化硅氧烷的液体洗涤剂调理组合物 |
CN101142357A (zh) * | 2005-03-18 | 2008-03-12 | 荷兰联合利华有限公司 | 织物护理组合物 |
CN101326321A (zh) * | 2005-12-12 | 2008-12-17 | 美利肯公司 | 防污和去污织物整理剂 |
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