CN101146904A - 可溶性斑点颗粒 - Google Patents
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- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
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Abstract
一种可溶性斑点颗粒在颗粒状衣物洗涤剂组合物中的应用，其特征在于该颗粒含有粘土矿物载体和云母颜料。优选该颗粒进一步含有三聚磷酸钠，并且其可以具有水溶性聚合物涂层。
Description
本发明涉及一种用于颗粒状洗涤剂组合物的可溶性斑点颗粒。
颗粒状洗涤剂组合物可以含有有色斑点。这可以通过加入有色染料来实现。然而，这种染料可能引起所洗涤的织物的染污。或者，斑点可以含有颜料如铜酞菁。尽管这样选择是因为它们很差的织物直接染色性，但是颜料仍然可能染污某些织物，并且可能会不环保。
WO0061718(Procter&Gamble)提出，与使用染料、特别是水性染料有关的问题可以通过使用反射光的颗粒涂层来克服。描述了云母或二氧化钛涂布的颗粒。示例的基底颗粒可以是二水合柠檬酸钠、碳酸钠或硫酸钠。带涂层的颗粒可以通过将光反射组分沾在颗粒材料上、然后任选地在该沾染的颗粒上施加粘合材料而形成。其陈述了另一种混合光反射材料和基底组分的方法不那么优选，因为仅有一部分光反射材料在颗粒的表面上。
WO0027980(Procter&Gamble)公开了一种清洁组合物斑点颗粒，其含有用着色剂着色的固体材料，该颗粒的斑点率为至少5％，且透光率为至少5％。该斑点颗粒优选含有结晶水合无机盐、结晶有机酸盐、结晶有机盐、结晶表面活性剂、糖或其混合物。特别优选该颗粒包括二水合柠檬酸三钠，最优选用染料着色。根据其公开内容，还可以使用在洗涤剂组合物中常用的其它结晶材料成分，例如结晶硅酸盐，包括结晶层状硅酸盐。
根据本发明，提供了一种可溶性斑点颗粒，其包括涂布在云母颗粒上的至少一种粘土矿物载体。这提供了一种有吸引力的、不同的和牢固的洗涤剂组合物斑点。优选该颗粒包括0.5到1.5wt％云母。
优选斑点(speckle)颗粒的平均粒径为0.8mm到3.0mm。更优选平均粒径为1.0mm到2.0mm。
为改善颗粒在洗涤液体中的分散速度，在颗粒中包括与粘土混合的水溶性助洗剂盐是有利的。优选的物质是三聚磷酸钠(sodiumtripolyphosphate)(STP)，并且其优选与粘土矿物以粘土∶STP为1∶2到5∶1的比例混合，最优选大约1∶1。
粘土矿物
优选粘土矿物是一种或多种选自下述的粘土：双层粘土(例如，瓷土或多水高岭石)，其可以是双八面体粘土(例如高岭土)或三八面体粘土(例如叶蛇纹石和镁绿泥石)；三层粘土例如绿土和海泡石(hormite)、膨润土、贝得石、囊脱石、锂蒙脱石、绿坡缕石、脂镍蛇纹石、云母、白云母和蛭石、以及叶蜡石/滑石、镍滑石和铁滑石粘土。优选的粘土类型是膨润土。非常希望粘土应该能够提供洗涤方面的益处。优选粘土选自能提供织物软化益处的粘土类型。优选粘土的粒径为1到2mm。然而，如果使用了降低溶涨性粘土的溶涨的物质、尤其是减少STP的量或不使用STP，则有助于分散；在这种情况中优选溶涨为20ml以下。
云母颗粒
可以使用磨碎的云母颜料材料作为云母颗粒。优选云母是涂布的。更优选其涂有二氧化钛的非常薄的层。最优选其涂有二氧化钛和氧化铁的混合物以提供金色光泽。合适的钛涂布的颜料可以从Merck公司得到，如Timiron MP115和Iriodin，其还带有氧化铁涂层。合适的颜料粒径为10到60微米。
三聚磷酸钠
优选无水三聚磷酸钠。洗涤剂配方常用的粒径的标准等级是合适的。
聚合物涂层
斑点颗粒可以任选具有水溶性聚合物涂层。这可以有助于防止在存储和加工过程中因云母颜料离开粘土而降低斑点效果。涂层可以是聚乙烯醇或微晶纤维素。我们已经发现，对于STP含量较低或者不含STP的颗粒来说，优选微晶纤维素，而当STP以最优量使用时，优选聚乙烯醇。这样选择得到了快速分散和良好涂层结合性的所需组合。
不希望被任何具体理论所限制，相信聚合物涂层渗入粘土载体的孔中并且将其自身固定在斑点的表面上。
斑点的生产方法
尽管许多方法可以用于制造斑点，我们已经发现一种特别有利的方法，在使用合适的组合物时，该方法能够以高收率得到具有需要的粒径、耐用性和可分散性的干燥且良好涂布的颗粒。
在该方法中，将干组分预混约1分钟。这包括云母颜料、膨润土粘土和可溶性STP助洗剂盐。已经发现具有多个喷头的双锥混合器对于该方法是理想的。在将干组分预混之后，在压力下向颗粒上喷洒任选的涂料材料稀溶液(或水)约25分钟，然后将混合物进一步混合几分钟，得到斑点颗粒。
洗涤剂成分
斑点颗粒可以与任何量的常见于颗粒状衣物洗涤剂清洁组合物中的任何颗粒成分相结合。其有利地以洗涤剂粉末组合物的1-4wt％的含量使用，优选1.5-3wt％。如果粘土是软化型粘土则这是特别有用的，这样其对织物提供了益处。
现在，将参考以下非限制性实施例，进一步说明本发明。
实施例
将如表1所详细列出的量的组分加入到双锥混合器中，并使用下述方法制备成斑点颗粒。
表1
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | |
| STP1膨润土1云母2涂料A涂料B水 | 089.01.00010.0 | 089.01.00.2509.75 | 089.01.000.19.9 | 17.871.21.00010.0 | 17.871.21.00010.0 | 44.544.51.00010.0 | 44.544.51.00010.0 | 44.544.51.00.2509.75 | 44.544.51.000.19.9 |
| 分散时间mm:ss | 13:38 | 15:21 | 16:19 | 13:02 | 6:57 | 6:00 | 2:54 | 6:46 | 6:22 |
1膨润土是颗粒形式，粒径为1.0到2.0mm，得自Bentonit 
公司，名为Pelben 10(实施例5和7)或Pelben 35。Pelben 10的溶涨为10ml，而Pelben 35的溶涨为35ml+。
2云母的粒径为10到60微米，得自Merck公司，名为Iriodin 300和Timiron Starluserr MP-115。
膨润土、云母和STP(当使用时)在混合器中温和地混合1分钟。然后，将涂料溶液喷洒到混合器中，并连续混合25分钟。使用两种不同类型的涂料溶液：涂料A是微晶纤维素，而涂料B是聚乙烯醇。它们的组成在表2中详细列出。
表2
| 成分 | 最终颗粒的wt％ | 最终颗粒的wt％ |
| 微晶纤维素聚乙烯醇水 | 0.250.009.75 | 0.00.19.9 |
控制该方法以使制成的斑点颗粒的粒径与最初的膨润土颗粒基本相同。然而，从表1中可以看出，不含STP的颗粒的分散时间过长，以致在某些洗涤过程中无法实际使用，尤其是在其涂上涂料之后，这样在后续的人工处理中云母不能揉搓(rub-off)表面。由于通常必需使用这种涂层以避免涂层揉搓从而导致颗粒轮廓不清晰和不适合用作斑点，因此在斑点颗粒中使用STP是明显有利的。
1.可溶性斑点颗粒在颗粒状衣物洗涤剂组合物中的用途，其特征在于所述颗粒包括膨润土粘土矿物载体材料和云母。
2.根据权利要求1所述的斑点颗粒的用途，其中所述颗粒进一步含有三聚磷酸钠。
3.根据权利要求1或2所述的用途，其中所述颗粒具有水溶性聚合物涂层。
4.根据权利要求3所述的用途，其中所述聚合物是聚合醇。
5.根据权利要求3所述的用途，其中所述聚合物是纤维素。
6.根据前述权利要求中任一项所述的斑点颗粒的用途，其中所述颗粒的平均粒径为0.8mm到3.0mm。
7.根据权利要求5所述的斑点颗粒的用途，该颗粒平均粒径为1.0mm到2.0mm。
8.根据前述权利要求中任一项所述的斑点颗粒的用途，该颗粒包括0.5到1.5wt％的云母。
9.根据前述权利要求中任一项所述的斑点颗粒的用途，其中所述粘土矿物包括软化粘土。
10.根据前述权利要求中任一项所述的斑点颗粒的用途，其中所述云母是涂布的，优选用二氧化钛涂布。
11.根据权利要求10所述的斑点颗粒的用途，其中所述云母用二氧化钛和氧化铁涂布。
12.根据前述权利要求中任一项所述的斑点颗粒的用途，其中所述洗涤剂组合物包括1到4wt％的所述斑点颗粒。
13.根据权利要求12所述的斑点颗粒的用途，其中所述洗涤剂组合物包括1.5到3wt％的所述斑点颗粒。
Claims (14)
1.可溶性斑点颗粒在颗粒状衣物洗涤剂组合物中的用途，其特征在于所述颗粒包括粘土矿物载体材料和云母。
2.根据权利要求1所述的斑点颗粒的用途，其中所述颗粒进一步含有三聚磷酸钠。
3.根据权利要求1或2所述的用途，其中所述颗粒具有水溶性聚合物涂层。
4.根据权利要求3所述的用途，其中所述聚合物是聚合醇。
5.根据权利要求3所述的用途，其中所述聚合物是纤维素。
6.根据前述权利要求中任一项所述的斑点颗粒的用途，其中所述颗粒的平均粒径为0.8mm到3.0mm。
7.根据权利要求5所述的斑点颗粒的用途，该颗粒平均粒径为1.0mm到2.0mm。
8.根据前述权利要求中任一项所述的斑点颗粒的用途，该颗粒包括0.5到1.5wt％的云母。
9.根据前述权利要求中任一项所述的斑点颗粒的用途，其中所述粘土矿物包括软化粘土。
10.根据权利要求9所述的斑点颗粒的用途，其中所述粘土矿物包括膨润土粘土。
11.根据前述权利要求中任一项所述的斑点颗粒的用途，其中所述云母是涂布的，优选用二氧化钛涂布。
12.根据权利要求11所述的斑点颗粒的用途，其中所述云母用二氧化钛和氧化铁涂布。
13.根据前述权利要求中任一项所述的斑点颗粒的用途，其中所述洗涤剂组合物包括1到4wt％的所述斑点颗粒。
14.根据权利要求13所述的斑点颗粒的用途，其中所述洗涤剂组合物包括1.5到3wt％的所述斑点颗粒。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB0505778.1 | 2005-03-22 | ||
| GBGB0505778.1A GB0505778D0 (en) | 2005-03-22 | 2005-03-22 | Soluble speckle granule |
| PCT/EP2006/002302 WO2006099964A1 (en) | 2005-03-22 | 2006-03-13 | Soluble speckle granule |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101146904A true CN101146904A (zh) | 2008-03-19 |
| CN101146904B CN101146904B (zh) | 2011-02-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200680009170XA Expired - Fee Related CN101146904B (zh) | 2005-03-22 | 2006-03-13 | 可溶性斑点颗粒 |
Country Status (5)
| Country | Link |
|---|---|
| CN (1) | CN101146904B (zh) |
| BR (1) | BRPI0609708B8 (zh) |
| GB (2) | GB0505778D0 (zh) |
| WO (1) | WO2006099964A1 (zh) |
| ZA (1) | ZA200707937B (zh) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8318652B2 (en) | 2009-08-25 | 2012-11-27 | Milliken & Company | Colored speckles comprising a porous carrier and a releasing agent layer |
| US8470760B2 (en) | 2010-05-28 | 2013-06-25 | Milliken 7 Company | Colored speckles for use in granular detergents |
| US8476216B2 (en) | 2010-05-28 | 2013-07-02 | Milliken & Company | Colored speckles having delayed release properties |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1071452A (zh) * | 1991-10-17 | 1993-04-28 | 王学波 | 清洗剂混合物及其制备方法和用途 |
| US6770609B1 (en) * | 1999-04-13 | 2004-08-03 | Procter & Gamble Company | Light reflecting particles |
| GB2348884A (en) * | 1999-04-13 | 2000-10-18 | Procter & Gamble | Light reflecting particles |
| US6541437B2 (en) * | 2000-04-05 | 2003-04-01 | The Procter & Gamble Company | Speckled detergent composition |
| BRPI0211408B1 (pt) * | 2001-08-20 | 2017-01-31 | Unilever Nv | composição granular, composição detergente de lavagem de roupa particulada, e, processo para a fabricação de uma composição granular |
-
2005
- 2005-03-22 GB GBGB0505778.1A patent/GB0505778D0/en not_active Ceased
-
2006
- 2006-03-13 ZA ZA200707937A patent/ZA200707937B/xx unknown
- 2006-03-13 BR BRPI0609708A patent/BRPI0609708B8/pt not_active IP Right Cessation
- 2006-03-13 GB GB0717486A patent/GB2441444B/en not_active Expired - Fee Related
- 2006-03-13 CN CN200680009170XA patent/CN101146904B/zh not_active Expired - Fee Related
- 2006-03-13 WO PCT/EP2006/002302 patent/WO2006099964A1/en not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| ZA200707937B (en) | 2009-06-24 |
| BRPI0609708B1 (pt) | 2016-10-18 |
| BRPI0609708B8 (pt) | 2016-11-16 |
| GB0717486D0 (en) | 2007-10-17 |
| WO2006099964A1 (en) | 2006-09-28 |
| BRPI0609708A2 (pt) | 2011-10-18 |
| GB2441444B (en) | 2010-03-10 |
| GB2441444A8 (en) | 2008-03-06 |
| GB2441444A (en) | 2008-03-05 |
| CN101146904B (zh) | 2011-02-09 |
| GB0505778D0 (en) | 2005-04-27 |
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