CN112029591A - 一种纳米乳清洗剂及其制备方法 - Google Patents
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Abstract
本发明涉及一种纳米乳清洗剂及其制备方法,属于清洗技术领域。所述清洗剂原料中,各组分及质量分数为:表面活性剂15~20%,助表面活性剂1~5%,油相5~8%,渗透剂0.5~2%,碱性助剂1~2%,余量为水。通过选油相,计算乳化油相所需HLB值;选择表面活性剂并计算HLB值,使表面活性剂HLB值与乳化油相所需HLB值的差值小于1,向表面活性剂中加入助表面活性剂,搅拌;加水搅拌均匀,逐滴加入油相,搅拌至溶液变透明,边搅拌边将渗透剂和碱性助剂加入,搅拌30min以上,得到一种纳米乳清洗剂。所述清洗剂去油污效率高、无腐蚀、气味温和、环保且易于生产,特别适用于厨房重油的清洗去除。
Description
技术领域
本发明涉及一种纳米乳清洗剂及其制备方法,属于清洗技术领域。
背景技术
目前市售的厨房油污清洁剂主要包括强碱、溶剂型和表面活性剂型三类,强碱型清洗剂虽然具有很好的除油污效果,但具有较强的刺激性,易引起操作者的不适,同时对金属、塑料等材料具有一定的腐蚀性。溶剂型油污清洗剂大多采用有机醚类,如乙二醇丁醚、二乙二醇甲醚、丙二醇甲醚等,有机醚具有非常强烈的挥发性和刺激性,对人体健康造成极大的危害,会抑制中枢神经系统,高浓度可能造成头痛、恶心以及全身无力。表面活性剂型油污清洗剂作用温和,但对重垢的去除效果不理想,在实际使用过程中需要把被洗物浸泡在含有清洗剂的溶液中较长时间,因此有必要对现有技术的厨房油污清洗剂的配方进行改进。
中国专利CN103911232A公开了一种厨房多功能清洁剂,采用三聚磷酸钠、烧碱、磺酸、脂肪醇聚氧乙烯醚硫酸钠、椰子油脂肪酸二乙醇酰胺、甜菜碱等成分复配,由于使用烧碱、磺酸等强刺激性成分,还使用了三聚磷酸钠含磷助剂,已造成水体富营养化,不利于环保。
中国专利CN104017666A公开了一种厨房多表面清洁剂,包含非离子表面活性剂、重油垢表面活性剂、有机溶剂、防腐剂、螯合剂等成分,由于使用大量有机溶剂,具有刺激性气味,污染环境。
建平等采用D-柠檬烯制备了O/W乳化型油墨清洗剂(应用化学,2008,37(10),1185-1187),采用脂肪醇聚氧乙烯(AEO-9)和司盘40作为乳化剂,以D-柠檬烯作为油相,采用正滴法(将油相滴加到水相中)制成了O/W型油墨清洗剂,获得了较好的清洗效果。但D-柠檬烯含量高达40%,成本较高。
发明内容
为克服现有技术存在的缺陷,本发明的目的之一在于提供一种纳米乳清洗剂,所述清洗剂去油污效率高、无腐蚀、气味温和、环保且易于生产,特别适用于厨房重油的清洗去除。
本发明的目的之二在于提供一种纳米乳清洗剂的制备方法。
为实现本发明的目的,提供以下技术方案。
一种纳米乳清洗剂,以所述的清洗剂原料质量为100%计,其中,各组成成分及其质量分数如下:
表面活性剂 15%~20%,
助表面活性剂 1%~5%,
油相 5%~8%,
渗透剂 0.5%~2%,
碱性助剂 1%~2%,
余量为水。
所述的表面活性剂由两种以上的非离子表面活性剂组成;优选所述的表面活性剂为烷基糖苷1214(HLB=14)、脂肪醇聚氧乙烯醚-3(HLB=8)、乙氧基化脂肪酸甲酯(HLB=15)、司盘80(HLB=4.3)、司盘60(HLB=4.7)、吐温80(HLB=15)、聚氧乙烯醚氢化蓖麻油(HLB=10)和聚氧乙烯蓖麻油(HLB=13.3)中的两种以上。
所述的助表面活性剂为短链脂肪醇;优选所述的助表面活性剂为丙二醇、丁三醇、异丙醇和乙醇中的一种以上。
所述的油相为大豆油(乳化所需HLB=8)、花生油(乳化所需HLB=6)、肉豆蔻酸异丙酯(乳化所需HLB=12)、D-柠檬烯(乳化所需HLB=12)、橄榄油(乳化所需HLB=11)和霍霍巴油(乳化所需HLB=7)中的一种以上,同时满足乳化油相所需的HLB值与表面活性剂的HLB值差值小于1。
所述的渗透剂为N,N-二甲基甲酰胺、N-甲基吡咯烷酮或C7-C9(碳原子为7个~9个的)脂肪醇环氧乙烷醚。
所述的碱性助剂为硅酸钠、碳酸氢钠和碳酸钠中的一种以上。
所述的水优选为纯度在去离子水纯度以上的水。
一种本发明所述的纳米乳清洗剂的制备方法,所述方法步骤如下:
(1)选择油相,并计算乳化油相所需的HLB值。
(2)选择表面活性剂并计算表面活性剂的HLB值,使表面活性剂的HLB值与乳化油相所需的HLB值的差值小于1,向表面活性剂中加入助表面活性剂,搅拌均匀,得到溶液A;
(3)将水放入反应容器中,以6000r/min~10000r/min的转速一边搅拌一边将溶液A缓慢加入到水中,搅拌均匀,得到溶液B;
(4)一边保持转速6000r/min~10000r/min搅拌一边将油相逐滴加入到溶液B中,溶液变得粘稠,持续保持转速6000r/min~10000r/min搅拌,直到溶液变得澄清透明,得到溶液C;
(5)一边保持转速6000r/min~10000r/min搅拌一边将渗透剂和碱性助剂加入到溶液C中,搅拌30min以上,形成澄清透明的水包油(O/W)型纳米乳溶液,为本发明所述的一种纳米乳清洗剂。
有益效果
1.本发明提供了一种纳米乳清洗剂,所述清洗剂通过表面活性剂、助表面活性剂、油相和水在一定的制备工艺下,使油相以纳米级尺寸均匀的分散在水中,根据“相似相溶”原理,使厨房设备表面的油污溶解到清洗剂中,从而与设备表面分离,达到清洁的目的。
2.本发明提供了一种纳米乳清洗剂,所述清洗剂为O/W型纳米乳液,相比于传统的油污清洗剂,具有更高的油污承载量,因此具有较高的油污清洗效率;
3.本发明提供了一种纳米乳清洗剂,所述清洗剂采用的碱性助剂为弱碱,采用短链脂肪醇替代有机溶剂,既能提高油污清洗效率,又具有较低的腐蚀性和刺激性;
4.本发明提供了一种纳米乳清洗剂,所述乳清洗剂均一透明、不分相、不分层,对金属无腐蚀性;
5.本发明提供了一种纳米乳清洗剂的制备方法,所述方法简单,适合规模化生产。
附图说明
图1为实施例1制得的纳米乳清洗剂的透射电子显微镜照片。
图2为实施例2制得的纳米乳清洗剂的类型鉴别实验照片。
具体实施方式
下面结合附图和具体实施例来详述本发明,但不作为对本发明专利的限定。
实施例1
(1)选用5g D-柠檬烯为油相,乳化所需HLB值为12;
(2)称取烷基糖苷1214 10g、脂肪醇聚氧乙烯醚-3 5g放入烧杯中,计算表面活性剂的HLB值为12;加入1,2-丙二醇2g,充分搅拌均匀,得到溶液A;
(3)向反应釜中投入75g去离子水,将高速分散器转速设定为8000r/min,一边搅拌一边将溶液A缓慢加入水中,搅拌均匀,得到溶液B;
(4)一边保持转速8000r/min搅拌一边将油相逐滴加入溶液B中,溶液变得粘稠,继续保持转速8000r/min搅拌,直至溶液变的澄清透明,得到溶液C;
(5)一边保持转速8000r/min搅拌一边将N-甲基吡咯烷酮1g、碳酸氢钠0.8g和硅酸钠1.2g加入到反应釜的溶液C中,继续保持转速8000r/min搅拌30min,形成澄清透明的水包油(O/W)型纳米乳液,为本发明所述的一种纳米乳清洗剂。
实施例2
(1)选用5g肉豆蔻酸异丙脂和1g大豆油的混合物为油相,乳化所需HLB值为12.33;
(2)称取司盘80 14.4g和吐温80 8g放入烧杯中,计算表面活性剂的HLB值为12.1;加入1g乙醇,充分搅拌均匀,得到溶液A;
(3)向反应釜中投入71.5g去离子水,将高速分散器转速设定为10000r/min,一边搅拌一边将溶液A缓慢加入水中,充分搅拌均匀,得到溶液B;
(4)一边保持转速10000r/min搅拌一边将油相逐滴加入溶液B中,溶液变得粘稠,继续保持转速10000r/min搅拌,直至溶液变的澄清透明,得到溶液C;
(5)一边保持转速10000r/min搅拌一边将C7-C9脂肪醇环氧乙烷醚0.5g和碳酸钠1g加入到反应釜的溶液C中,继续保持转速10000r/min搅拌30min,形成澄清透明的水包油(O/W)型纳米乳液,为本发明所述的一种纳米乳清洗剂。
实施例3
(1)选用橄榄油6g和化生油2g充分混合均匀形成油相,所需乳化的HLB值为9.75;
(2称取乙氧基化脂肪酸甲酯1.8g、聚氧乙烯醚氢化蓖麻油14.4g、司盘601.8g放入烧杯中,计算表面活性剂的HLB值为9.97;加入丁三醇2g和异丙醇3g,充分搅拌均匀,得到溶液A;
(3)向反应釜中投入65.5g去离子水,将高速分散器转速设定为6000r/min,一边搅拌一边将溶液A缓慢加入水中,搅拌均匀,得到溶液B;
(4)一边保持转速6000r/min搅拌一边将油相逐滴加入溶液B中,溶液变得粘稠,继续保持转速6000r/min搅拌,直至溶液变的澄清透明,得到溶液C;
(5)一边保持转速6000r/min搅拌一边将C7-C9醇环氧乙烷醚2g和硅酸钠1.5g加入到反应釜的溶液C中,继续保持转速6000r/min搅拌30min,形成澄清透明的水包油(O/W)型纳米乳液,为本发明所述的一种纳米乳清洗剂。
实施例4
以实施例1~3中制得的纳米乳清洗剂作为样品进行如下评定测试:
1.去污力评定:按照QB/T 4348-2012中附录A中的方法进行测试。
2.腐蚀量评定:按QB/T 2117-1995中5.6测试,使用样品原液150mL,两块硬铝试片,水浴加热使溶液温度为(25±2)℃,浸泡时间为30分钟。
3.稳定性评定:按QB/T 4348-2012中4.3测试。取量不少于100mL的样品两份至200mL的无色具塞广口玻璃瓶中,分别置于(-5±2)℃的冰箱和(40±2)℃的保温箱24h,取出观察。
试验结果如表1所示:
表1实验测试结果
从测试结果可以看出,和市售厨房重油清洗剂相比,本发明的纳米乳清洗剂具有优异的去污效果,无腐蚀性,温定性好,可克服现有厨房油污清洗剂的缺陷。
实施例5
1.粒径测试
取实施例1制得的纳米乳清洗剂10mL作为样品,去离子水稀释5倍,采用透射电子显微镜观察样品的微观形态,激光力度分析仪测定其平均粒径。测试结果如图1所示,样品中油相的平均颗粒在200nm左右,因此具有更好的渗透性,优异的去油污效果。
2.染色法纳米乳类型鉴别
实施例2制得的纳米乳清洗剂同体积的两份作为样品,同时加入苏丹红染料和亚甲基蓝染料溶液各两滴,静置放置,观察两种染料(红色和蓝色)在样品中扩散速度的快慢以及外观变化。苏丹红为油性染料,易在油相中扩散;亚甲基蓝为水溶性染料,易在水溶液中扩散,如果蓝色的扩散速率大于红色的扩散速率,则为水包油型(O/W型)纳米乳,反之则为油包水型(W/O型)纳米乳。测试结果如图2所示,蓝色染料的扩散速率快于红色染料,因此,所述样品为O/W型。
本发明包括但不限于以下实施例,凡是在本发明精神的原则之下进行的任何等同替换或局部改进,都将视为在本发明的保护范围之内。
Claims (7)
2.根据权利要求1所述的一种纳米乳清洗剂,其特征在于:所述表面活性剂为烷基糖苷1214、脂肪醇聚氧乙烯醚-3、乙氧基化脂肪酸甲酯、司盘80、司盘60、吐温80、聚氧乙烯醚氢化蓖麻油和聚氧乙烯蓖麻油中的两种以上。
3.根据权利要求1所述的一种纳米乳清洗剂,其特征在于:所述助表面活性剂为丙二醇、丁三醇、异丙醇和乙醇中的一种以上。
4.根据权利要求1所述的一种纳米乳清洗剂,其特征在于:所述水为纯度在去离子水纯度以上的水。
5.根据权利要求1所述的一种纳米乳清洗剂,其特征在于:所述表面活性剂为烷基糖苷1214、脂肪醇聚氧乙烯醚-3、乙氧基化脂肪酸甲酯、司盘80、司盘60、吐温80、聚氧乙烯醚氢化蓖麻油和聚氧乙烯蓖麻油中的两种以上;
所述助表面活性剂为丙二醇、丁三醇、异丙醇和乙醇中的一种以上。
6.根据权利要求1所述的一种纳米乳清洗剂,其特征在于:所述表面活性剂为烷基糖苷1214、脂肪醇聚氧乙烯醚-3、乙氧基化脂肪酸甲酯、司盘80、司盘60、吐温80、聚氧乙烯醚氢化蓖麻油和聚氧乙烯蓖麻油中的两种以上;
所述助表面活性剂为丙二醇、丁三醇、异丙醇和乙醇中的一种以上;
所述水为纯度在去离子水纯度以上的水。
7.一种如权利要求1~6中任一项所述的纳米乳清洗剂的制备方法,其特征在于:所述方法步骤如下:
(1)选择油相,并计算乳化油相所需的HLB值;
(2)选择表面活性剂并计算表面活性剂的HLB值,使表面活性剂的HLB值与乳化油相所需的HLB值的差值小于1,向表面活性剂中加入助表面活性剂,搅拌均匀,得到溶液A;
(3)将水放入反应容器中,以6000r/min~10000r/min的转速一边搅拌一边将溶液A加入水中,搅拌均匀,得到溶液B;
(4)一边保持转速6000r/min~10000r/min搅拌一边将油相逐滴加入到溶液B中,持续保持转速6000r/min~10000r/min搅拌,直到溶液变得澄清透明,得到溶液C;
(5)一边保持转速6000r/min~10000r/min搅拌一边将渗透剂和碱性助剂加入到溶液C中,搅拌30min以上,形成澄清透明的纳米乳溶液,为一种纳米乳清洗剂。
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