CN111150671B - 一种去重油污洗手液及其制备方法 - Google Patents
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Abstract
本发明公开了一种去重油污洗手液及其制备方法。所述的洗手液包含以下重量百分比计的组分:C10‑13烷基苯磺酸钠2~5%、己基癸醇聚醚‑2 1~2.5%、C8‑18和不饱和C18酰胺基丙基甜菜碱2~5%、辛基/癸基葡糖苷0.5~1%、乙二醇棕榈酸酯4~8%、碳酸钠1~3%、羟基四氢甲基嘧啶羧酸0.5~1%、润肤剂2~4%、螯合剂0.1~1%、防腐剂0.1~0.3%、香精0.05~0.1%,余量为去离子水。本发明的洗手液具有起泡快、消泡快特点,且对工业类油污和顽固污渍具有良好的清洁效果,刺激性低,使用安全。
Description
技术领域
本发明属于日化洗涤用品技术领域,具体涉及一种去重油污洗手液及其制备方法。
背景技术
目前市面上的洗手液主要是针对大众人群研发的,只具备普通去污作用,或抗菌消毒作用。对于工业类油污和顽固污渍的清洗效果甚差。从事机修、油墨、印刷、化工、采油、食品加工等行业的人员常常满手工业油污,使用普通洗手液或香皂难以清洗干净,只能使用黄沙和木屑反复搓洗,这样不但容易损伤皮肤,还造成大量的固体废弃物。
公开号为CN 102670435 A的中国专利申请公开了一种去油污洗手液及其制备方法,该洗手液由选自十二烷基磺酸钠、十二烷基磺酸氨、脂肪醇聚氧乙烯醚硫酸铵、脂肪醇聚氧乙烯醚硫酸钠(AES)中的任一种阴离子表面活性剂,和选自脂肪醇聚氧乙烯醚、椰子油脂肪酸二乙醇酰胺、烷基酚聚氧乙烯醚中的任一种非离子表面活性剂,复配保湿剂、螯合剂、防腐剂、pH调节剂、增色剂、增稠剂、磨砂剂、香料和水组成。通过选用特定的阴离子表面活性剂和非离子表面活性剂,制造水包油型洗涤剂,获得良好的油污清洗效果。但是该专利配方中含有较高含量的阴离子表面活性剂(8-15wt%),产生大量泡沫的同时带来了一个弊端:大多数消费者反映在使用了这种洗手液后,由于产生的大量的泡沫无法在短时间内消散,需要用大量的水冲洗残留的泡沫,一方面对于水资源是严重的浪费,另一方面,被水冲掉的泡沫由于并没有有效地被破坏,多次洗手后,可能会导致这些泡沫通过下水管道反溢出到洗手池中,影响了美观及卫生。
因此,目前亟需一种具有去重油污功效,且具有起泡快、消泡快特点的洗手液。
发明内容
本发明的目的是提供一种去重油污洗手液及其制备方法。所述的洗手液具有起泡快、消泡快特点,且对工业类油污和顽固污渍具有良好的清洁效果,刺激性低,使用安全。
本发明是通过以下技术方案予以实现的:
一种去重油污洗手液,包含以下重量百分比计的组分:C10-13烷基苯磺酸钠2~5%、己基癸醇聚醚-2 1~2.5%、C8-18和不饱和C18酰胺基丙基甜菜碱2~5%、辛基/癸基葡糖苷0.5~1%、乙二醇棕榈酸酯4~8%、碳酸钠1~3%、羟基四氢甲基嘧啶羧酸0.5~1%、润肤剂2~4%、螯合剂0.1~1%、防腐剂0.1~0.3%、香精0.05~0.1%,余量为去离子水。
优选,所述的润肤剂选自水溶性霍霍巴油、甘油聚醚-26、小麦神经酰胺、生育酚磷酸酯钠、乳酸钠甲基硅烷醇中的至少一种。优选,所述的润肤剂为乳酸钠甲基硅烷醇。
优选,所述的螯合剂选自肌醇六磷酸十二钠、肌醇三磷酸酯三钠、肌醇六磷酸六钠、谷氨酸二乙酸四钠、N,N-二羧甲基丙氨酸三钠中的至少一种。优选,所述的螯合剂为肌醇六磷酸十二钠。
优选,所述的防腐剂选自苯氧乙醇、苯甲酸钠、安息香酸钠、山梨酸钾、乙基己基甘油、对羟基苯甲酸丙酯、三氯羟二酚醚、二丁基羟基甲苯、苯甲酸甲酯中的至少一种。优选,所述的防腐剂为苯氧乙醇和乙基己基甘油以1:0.1~0.5的质量比组成。
本发明的去重油污洗手液是通过以下方法制备得到:往去离子水中加入C10-13烷基苯磺酸钠、己基癸醇聚醚-2、C8-18和不饱和C18酰胺基丙基甜菜碱、辛基/癸基葡糖苷、乙二醇棕榈酸酯,搅拌直至体系形成均匀透明液体,然后加入碳酸钠、羟基四氢甲基嘧啶羧酸、润肤剂、螯合剂、防腐剂、香精,搅拌至物料完全溶解,即得产品。
本发明以C10-13烷基苯磺酸钠(LAS-Na,CAS RN:68411-30-3)的阴离子表面活性剂、己基癸醇聚醚-2(CAS RN:52609-19-5)的非离子表面活性剂、C8-18和不饱和C18酰胺基丙基甜菜碱(CAS RN:147170-44-3)的两性离子表面活性剂,复配组成的表面活性剂型洗手液对工业类油污和顽固污渍具有优异的清洗效果,并且起泡快、消泡快,易于清洗,不浪费水资源。该C10-13烷基苯磺酸钠为直链烷基苯基磺酸盐(LAS),是一类易于生物降解的阴离子表面活性剂,其具有优良的去污、发泡、乳化、分散、润湿、增溶性能,但是耐硬水较弱,在冷水和硬水条件下,溶解度较差,形成类似大洋葱样结构的多层囊泡,可能在使用期间损失,限制其使用。己基癸醇聚醚-2是一类非离子表面活性剂,具有优良的去污、润湿、渗透、增溶、乳化、分散性能。本发明人发现将C10-13烷基苯磺酸钠和己基癸醇聚醚-2复配使用,具有显著的去重油污清洁协同作用,效果明显优于两者分别单独使用,但是两者复配时洗手液体系的泡沫起泡慢,泡沫不丰富,推测这是由于己基癸醇聚醚-2的EO数较低,影响体系的发泡效果。为解决这一缺陷,本发明人通过大量的试验发现,添加适量的C8-18和不饱和C18酰胺基丙基甜菜碱的两性离子表面活性剂,尤其是所述的C10-13烷基苯磺酸钠:己基癸醇聚醚-2:C8-18和不饱和C18酰胺基丙基甜菜碱的质量比为2:1:2,洗手液既保持高效的去重油污能力,又呈现起泡快、消泡快的特色,在清洗时能迅速形成丰富的泡沫,过水时泡沫能迅速消失,残留小,并且C8-18和不饱和C18酰胺基丙基甜菜碱还能降低C10-13烷基苯磺酸钠、己基癸醇聚醚-2对皮肤的刺激性。
辛基/癸基葡糖苷是绿色的增溶剂,刺激性低并且稳定,能降低其他表面活性剂的刺激性,增加溶解度,尤其是增加C10-13烷基苯磺酸钠的溶解度,改善其耐硬水性。螯合剂一方面可抑制硬水中的钙/镁离子与C10-13烷基苯磺酸钠的钠离子交换形成难溶于水的C10-13烷基苯磺酸钙/镁盐,避免去污力降低,另一方面,能有效去除键结油脂与污渍的“钙键”,进一步提高油污的去除能力。
碳酸钠的水溶液碱性较强,可与油污中的羧基发生皂化反应生成溶于水的皂基和甘油,促使油污溶解,提高去污力。羟基四氢甲基嘧啶羧酸一方面可调节去油污体系的碱性,减少对皮肤的刺激性和腐蚀性,另一方面具有提升皮肤细胞免疫防护的能力,有效平抑和修复皮肤过敏症状,以及很强的水分子络合能力,一分子羟基四氢甲基嘧啶羧酸可络合四、五个水分子,能使细胞内的游离水结构化,使皮肤保湿持水能力持续改善。
本发明的去重油污洗手液还添加适量的润肤剂,优选,所述的润肤剂为乳酸钠甲基硅烷醇,是生物活性硅烷醇和AHA的完美结合体,能够迅速起到保湿效果,并且持续时间更久,赋予皮肤清洗后具备明显的顺滑感和滋润感。
与现有技术相比,本发明具有以下有益效果:
本发明提供的洗手液具有优异的去重油污清洁能力,对工业类油污和顽固污渍清洁效果佳,并且具有起泡快、消泡快特点,在清洗时能迅速形成丰富的泡沫,过水时泡沫能迅速消失,残留小,此外刺激性低,使用安全,兼具一定的润肤效果,尤其适合从事机修、油墨、印刷、化工、采油、食品加工等行业的人员清洗手部油污使用。
具体实施方式
以下实施例是对本发明的进一步说明,而不是对本发明的限制。下述实施例中配方的组分,若无特别说明,均为常规市售产品。
实施例1-6
本实施例1-6去重油污洗手液的制备包括下表所示重量百分比计的组分:
制备步骤:往去离子水中加入C10-13烷基苯磺酸钠、己基癸醇聚醚-2、C8-18和不饱和C18酰胺基丙基甜菜碱、辛基/癸基葡糖苷、乙二醇棕榈酸酯,搅拌直至体系形成均匀透明液体,然后加入碳酸钠、羟基四氢甲基嘧啶羧酸、乳酸钠甲基硅烷醇、肌醇六磷酸十二钠、苯氧乙醇、乙基己基甘油、香精,搅拌至物料完全溶解,即得去重油污洗手液。
对比例1
对比例1去重油污洗手液的制备与实施例4比较,区别在于,不含C8-18和不饱和C18酰胺基丙基甜菜碱。制备步骤参考上述实施例。
对比例2
对比例2去重油污洗手液的制备与实施例4比较,区别在于,不含己基癸醇聚醚-2。制备步骤参考上述实施例。
对比例3
对比例3去重油污洗手液的制备与实施例4比较,区别在于,以己基癸醇聚醚-20替换己基癸醇聚醚-2。制备步骤参考上述实施例。
对比例4
对比例4去重油污洗手液的制备与实施例4比较,区别在于,以脂肪醇聚氧乙烯醚硫酸钠替换C10-13烷基苯磺酸钠。制备步骤参考上述实施例。
对比例5
对比例5去重油污洗手液的制备与实施例4比较,区别在于,不含羟基四氢甲基嘧啶羧酸。制备步骤参考上述实施例。
试验例一、发泡能力测定
1、试样:实施例1-6和对比例1-4制备的去重油污洗手液。
2、采用震荡法测定,在比色管中加入0.03g待测洗手液,再加入10mL蒸馏水,盖好盖子,震摇50次(震摇方向、快慢、强度等尽可能一致),取下盖子,加入10mL蒸馏水,将比色管壁上泡沫冲下,记录泡沫高度,5min后再次记录泡沫高度,以初始泡沫高度作为洗手液起泡性能量度,以5min后的泡沫高度表征泡沫的稳定性,并记录各组泡沫完全消失时间,结果见表1。
表1
组别 | 初始泡沫高度(mm) | 5min后的泡沫高度(mm) | 泡沫完全消失时间(min) |
实施例1 | 160 | 8 | 7 |
实施例2 | 166 | 9 | 7 |
实施例3 | 174 | 10 | 7 |
实施例4 | 182 | 12 | 7 |
实施例5 | 171 | 17 | 8 |
实施例6 | 179 | 19 | 8 |
对比例1 | 88 | 0 | 5 |
对比例2 | 198 | 140 | 21 |
对比例3 | 190 | 108 | 13 |
对比例4 | 175 | 91 | 10 |
注:初始起泡高度越大表示洗手液起泡性能越好;起泡5min后泡沫高度越小,表示泡沫稳定性差,消泡速度快。
结果显示,本发明实施例1-6制得的去重油污洗手液具有较佳的起泡性能,并且消泡速度快,具有起泡快、消泡快的特色。由对比例1可知,配方不含C8-18和不饱和C18酰胺基丙基甜菜碱,洗手液体系起泡性能差,泡沫不丰富。由对比例2可知,配方不含己基癸醇聚醚-2,洗手液具有较佳的起泡性能,但是消泡速度慢,残留大。由对比例3可知,配方中以己基癸醇聚醚-20替换己基癸醇聚醚-2,虽然保持较佳的起泡性能,但是消泡速度减慢,表明己基癸醇聚醚-2更有利于促使泡沫消失。由对比例4可知,以脂肪醇聚氧乙烯醚硫酸钠替换C10-13烷基苯磺酸钠,洗手液体系起泡性能稍微减弱,消泡速度稍微减慢。以上结果表明,本发明以C10-13烷基苯磺酸钠、己基癸醇聚醚-2、C8-18和不饱和C18酰胺基丙基甜菜碱复配组成的表面活性剂型洗手液具有起泡快、消泡快的特点。
试验例二、去污能力测定
1、试样:实施例1-6和对比例1-4制备的去重油污洗手液。
2、烧杯中加入0.5g洗手液,加水至10g,摇匀,滴加纯机油,振荡,滴加到最后一滴机油不溶解为止,准确记录洗手液溶解纯机油的质量,用记录质量的大小来表征洗手液去污能力的相对大小,结果见表2。
表2
组别 | 去污力(g) |
实施例1 | 1.8 |
实施例2 | 1.9 |
实施例3 | 2.1 |
实施例4 | 2.2 |
实施例5 | 2.0 |
实施例6 | 2.2 |
对比例1 | 1.9 |
对比例2 | 1.0 |
对比例3 | 1.7 |
对比例4 | 1.4 |
结果显示,本发明实施例1-6制得的去重油污洗手液对机油具有较好的去除能力,去污力≥1.8g。由对比例1可知,配方不含C8-18和不饱和C18酰胺基丙基甜菜碱,对洗手液去油污能力影响不大,去污力略降低。由对比例2可知,配方不含己基癸醇聚醚-2,对洗手液去油污能力影响较大,去污力明显降低。由对比例3可知,配方中以己基癸醇聚醚-20替换己基癸醇聚醚-2,洗手液去污力降低,表明己基癸醇聚醚-2和C10-13烷基苯磺酸钠复配更有利于提高洗手液的去污力。由对比例4可知,以脂肪醇聚氧乙烯醚硫酸钠替换C10-13烷基苯磺酸钠,洗手液去污力降低较为明显,再次证明己基癸醇聚醚-2和C10-13烷基苯磺酸钠复配更有利于提高洗手液的去污力。以上结果表明,本发明以C10-13烷基苯磺酸钠、己基癸醇聚醚-2、C8-18和不饱和C18酰胺基丙基甜菜碱复配组成的表面活性剂型洗手液具有较佳的去重油污能力,其中C10-13烷基苯磺酸钠、己基癸醇聚醚-2对洗手液的去油污效果具有重要作用。
试验例三、使用效果
1、试样:实施例1-4和对比例1-5制备的去重油污洗手液。
2、将实验对象分为9组,分别使用实施例1-4和对比例1-5制备的去重油污洗手液。每组5人。每人每次用5g机油涂抹双手,涂抹均匀后,用对应1g的洗手液清洗,前后搓20次后用清水冲洗干净,评价去油效果、皮肤刺激性、保湿效果三个指标,每个指标最高分为10分,最低分为1分,分数越高代表去油效果越好,皮肤刺激性越低,保湿效果越好,结果见表3。
表3
组别 | 去油效果 | 皮肤刺激性 | 保湿效果 |
实施例1 | 8 | 9 | 9 |
实施例2 | 8.5 | 9.5 | 9.5 |
实施例3 | 9 | 9.5 | 9.5 |
实施例4 | 10 | 10 | 10 |
对比例1 | 8.5 | 8 | 10 |
对比例2 | 4 | 9.5 | 10 |
对比例3 | 7.5 | 9.5 | 10 |
对比例4 | 6 | 8 | 10 |
对比例5 | 9.5 | 6.5 | 8 |
结果显示,本发明实施例1-4制得的去重油洗手液去油污效果好,皮肤刺激性低,保湿效果佳,以实施例4产品的使用性能最为优异。效果优于对比例1-5的产品。
以上仅是本发明的优选实施方式,应当指出的是,上述优选实施方式不应视为对本发明的限制,本发明的保护范围应当以权利要求所限定的范围为准。对于本技术领域的普通技术人员来说,在不脱离本发明的精神和范围内,还可以做出若干改进和润饰,这些改进和润饰也应视为本发明的保护范围。
Claims (2)
1.一种去重油污洗手液,其特征在于,包含以下重量百分比计的组分:C10-13烷基苯磺酸钠2~5%、己基癸醇聚醚-2 1~2.5%、C8-18和不饱和C18酰胺基丙基甜菜碱2~5%、辛基/癸基葡糖苷0.5~1%、乙二醇棕榈酸酯4~8%、碳酸钠1~3%、羟基四氢甲基嘧啶羧酸0.5~1%、润肤剂2~4%、螯合剂 0.1~1%、防腐剂0.1~0.3%、香精0.05~0.1%,余量为去离子水;
所述的润肤剂为乳酸钠甲基硅烷醇;所述的螯合剂为肌醇六磷酸十二钠;所述的防腐剂为苯氧乙醇和乙基己基甘油以1:0.1~0.5的质量比组成;所述C8-18和不饱和C18酰胺基丙基甜菜碱的CAS 号为147170-44-3。
2.一种制备权利要求1所述的去重油污洗手液的方法,其特征在于,包括以下步骤:往去离子水中加入C10-13烷基苯磺酸钠、己基癸醇聚醚-2、C8-18和不饱和C18酰胺基丙基甜菜碱、辛基/癸基葡糖苷、乙二醇棕榈酸酯,搅拌直至体系形成均匀透明液体,然后加入碳酸钠、羟基四氢甲基嘧啶羧酸、润肤剂、螯合剂、防腐剂、香精,搅拌至物料完全溶解,即得产品。
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