CN108795516B - 一种缸内直喷清洗剂及其制备方法 - Google Patents
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Abstract
本发明属于发动机清洗剂领域,公开了一种缸内直喷清洗剂,包括以下重量份组分:溶剂:30‑75份;助溶剂:25‑55份;助洗剂:0.5‑5份;乳化剂:0.5‑5份;无灰分散剂:0.5‑5份。本发明的目的在于提供一种用量少、清洗效率高的缸内直喷清洗剂,同时还公开了其制备方法。
Description
技术领域
本发明涉及发动机清洗剂领域,具体涉及一种缸内直喷清洗剂及其制备方法。
背景技术
CN 201710268065.8公开了一种汽车发动机清洗剂,按重量份数包括,辛基酚聚氧乙烯醚55份,山梨酸钙62份,二氯甲烷44份,直链烷基苯磺酸73份,乙醇23份,河砂33份,蔗糖脂肪酸酯21份,氯化氢34份,三氯乙烯20份,硼砂27份,烷基苯磺酸钠32份。
CN 201711217744.9公开了一种进气系统免拆清洗剂,包括按照重量百分比计的以下组分:三乙醇胺1-8%;油酸0.5-8%;表面活性剂1-20%;碱保持剂1-8%;溶剂2-20%;助洗剂0.5-5%;去离子水55-90%;上述各组分的重量百分比之和为100%。该进气系统免拆清洗剂成分简单易得,在压缩空气的作用下,可以泡沫形式彻底地清洗在免拆条件下一直难以清洗的进气阀背部积碳,清洗效率高。
CN 201510473498.8公开了一种汽油清净剂,组分包括聚异丁烯亚胺、航空煤油、聚醚胺、清净分散剂、防锈剂和破乳剂。各组分的优选百分比为聚异丁烯亚胺15-25%,航空煤油20-40%,聚醚胺20-35%,清净分散剂15-30%,防锈剂0.05-0.3%,破乳剂0.01-0.02%。聚异丁烯亚胺与聚醚胺的复配,T154为进口原液,能够有效去除油路积碳,有明显的动力增强(明显的推背感),综合节油率达到8%以上。
上述方案证实了T154、三乙醇胺、二氯甲烷、乙醇、表面活性剂等伍配能够提高气阀、油路等处的积碳清洗效果,起到保护发动机和降低油耗的功效。
在普通消费者的眼中,汽油添加剂普遍被认为不能过多的添加,基于这种消费者的消费观念,要求新开发的汽油添加剂能够在保持最少用量的情况下,能够达到更好的积碳清除效果。
发明内容
本发明的目的是提供一种用量少、清洗效率高的缸内直喷清洗剂及其制备方法。
本发明的具体方案如下:一种缸内直喷清洗剂,包括以下重量份组分:
溶剂:30-75份;
助溶剂:25-55份;
助洗剂:0.5-5份;
乳化剂:0.5-5份;
无灰分散剂:0.5-5份。
在上述的缸内直喷清洗剂中,所述的溶剂为甲苯、二甲苯、二氯乙烷中的至少一种。
在上述的缸内直喷清洗剂中,所述的助溶剂为甲醇、异丙醇、丙酮、丁酮、异弗尔酮中的至少一种。
在上述的缸内直喷清洗剂中,所述的助洗剂为乙二胺、三乙醇胺、吗啉中的至少一种。
在上述的缸内直喷清洗剂中,所述的乳化剂为司盘-80、吐温-20、司盘-85中的至少一种。
在上述的缸内直喷清洗剂中,所述的分散剂为T154和/或T151。
在上述的缸内直喷清洗剂中,包括以下重量份组分:
二甲苯18-20份;二氯乙烷20-25份;异丙醇5-8份;异弗尔酮25-30份;三乙醇胺1-2份;司盘80 1-1.5份;吐温-20 1-1.2份;T154 0.8-1.0份;T151 0.2-0.3份。
在上述的缸内直喷清洗剂中,包括以下重量份组分:
二甲苯18-20份;二氯乙烷21-23份;异丙醇6-7份;异弗尔酮26-28份;三乙醇胺1.2-1.8份;司盘80 1.1-1.3份;吐温-20 1-1.2份;T154 0.9-1.0份;T151 0.2-0.3份。
同时,本发明还公开了一种如上所述的缸内直喷清洗剂的制备方法,将溶剂、助溶剂、助洗剂、乳化剂、无灰分散剂依次混合后,分散一段时间即得。
在上述的缸内直喷清洗剂的制备方法中,分散速度为100r/min;分散时间1h。
本发明的有益效果为:
本发明的缸内直喷清洗剂添加到燃油中,较好的用量表现为100-350mg/L,气阀沉积物下降率能够达到90%以上,发动机燃烧室500℃以上残留率降低到0.7%以下,本产品是一款高效、低用量的燃油添加剂。
具体实施方式
下面结合实施例,对本发明作进一步的描述,但不构成对本发明的任何限制,任何在本发明权利要求范围所做的有限次的修改,仍在本发明的权利要求范围内。
如无特殊说明,本实施例以及对比例中用量均为重量份或重量百分比。
实施例1:
一种缸内直喷清洗剂,由以下重量份组分组成:
甲苯:60份;
甲醇:30份;
乙二胺:3份;
司盘-80:3份;
无灰分散剂T154:4份。
实施例2:
一种缸内直喷清洗剂,由以下重量份组分组成:
二氯乙烷:50份;
异弗尔酮:40份;
吗啉:4份;
吐温-20:3份;
无灰分散剂T154:3份。
实施例3:
一种缸内直喷清洗剂,由以下重量份组分组成:
甲苯:25份;
二甲苯:25份;
丙酮:20份;
丁酮:20份
三乙醇胺:4份;
司盘-85:3份;
无灰分散剂T151:3份
实施例4
一种缸内直喷清洗剂,由以下重量份组分组成:
二甲苯20份;二氯乙烷25份;异丙醇6份;异弗尔酮28份;三乙醇胺1.5份;司盘801.3份;吐温-20 1.1份;T154 0.9份;T151 0.25份。
实施例5
一种缸内直喷清洗剂,由以下重量份组分组成:
二甲苯18份;二氯乙烷25份;异丙醇8份;异弗尔酮30份;三乙醇胺1份;司盘80 1份;吐温-20 1.2份;T154 1.0份;T151 0.2份。
实施例6
一种缸内直喷清洗剂,由以下重量份组分组成:
二甲苯19份;二氯乙烷22份;异丙醇6.5份;异弗尔酮27份;三乙醇胺1.5份;司盘801.2份;吐温-20 1.1份;T154 1.0份;T151 0.25份。
实施例1-6的制备方法为:
将溶剂、助溶剂、助洗剂、乳化剂、无灰分散剂依次混合后,以100r/min的速度分散1h即得。
性能测试实验:
进气阀沉积物实验参考GB/T19592-2004《车用汽油清净剂》附录B汽油机进气阀沉积物模拟实验方法测试。
测试结果如下表:
100mg/L | 200mg/L | 300mg/L | 400mg/L | |
实施例1 | 90.1 | 90.5 | 91 | 90.5 |
实施例2 | 89.7 | 90.2 | 90.4 | 90.1 |
实施例3 | 89.4 | 89.9 | 90.2 | 89.7 |
实施例4 | 92.5 | 92.7 | 92.4 | 91.7 |
实施例5 | 93.1 | 93.9 | 94.1 | 93.5 |
实施例6 | 96.4 | 97.8 | 97.6 | 97.2 |
在实施例1-6中,进气阀沉积物下降率能够达到89.4%以上。特别重要的是,本实施例1-6能够将汽油添加剂的用量降低到每箱油5g左右,大大降低了用户对于汽油添加剂的抵触情绪。
究其原因来说,本方案着重考虑如何提高T151和T154在油品中的分散效果,使其能够表现出更好的积碳清洗效果。特别是采用二甲苯和二氯乙烷作为互配的助溶剂、异丙醇和异弗尔酮作为助溶剂的情况下,能够提高乳化剂在溶剂体系的乳化分散效果,助洗剂和分散剂的组合能提高在润滑油中的分散效果并起到协同清洗的作用,同时在乳化分散良好的互配型的乳化剂中,助洗剂和分散剂能够达到优异的配合的效果。
上述实施例为本发明较佳的实施方式,但本发明的实施方式并不受上述实施例的限制,其它的任何未背离本发明的精神实质与原理下所作的改变、修饰、替代、组合、简化,均应为等效的置换方式,都包含在本发明的保护范围之内。
Claims (4)
1.一种缸内直喷清洗剂,其特征在于,包括以下重量份组分:
二甲苯18-20份;二氯乙烷20-25份;异丙醇5-8份;异弗尔酮25-30份;三乙醇胺1-2份;司盘80 1-1.5份;吐温-20 1-1.2份;T154 0.8-1.0份;T151 0.2-0.3份。
2.根据权利要求1所述的缸内直喷清洗剂,其特征在于,包括以下重量份组分:
二甲苯18-20份;二氯乙烷21-23份;异丙醇6-7份;异弗尔酮26-28份;三乙醇胺1.2-1.8份;司盘80 1.1-1.3份;吐温-20 1-1.2份;T154 0.9-1.0份;T151 0.2-0.3份。
3.一种如权利要求1或2所述的缸内直喷清洗剂的制备方法,其特征在于,将二甲苯、二氯乙烷、异丙醇、异弗尔酮、三乙醇胺、司盘80、吐温-20、T154、T151依次混合后,分散一段时间即得。
4.根据权利要求3所述的缸内直喷清洗剂的制备方法,其特征在于,分散速度为100r/min;分散时间1h。
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