CN105542990A - 一种水基led芯片清洗剂 - Google Patents
一种水基led芯片清洗剂 Download PDFInfo
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- CN105542990A CN105542990A CN201610064717.1A CN201610064717A CN105542990A CN 105542990 A CN105542990 A CN 105542990A CN 201610064717 A CN201610064717 A CN 201610064717A CN 105542990 A CN105542990 A CN 105542990A
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- out system
- led chip
- water base
- base led
- clean
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 239000012459 cleaning agent Substances 0.000 title abstract 4
- -1 fatty acid ester Chemical class 0.000 claims abstract description 13
- 235000014113 dietary fatty acids Nutrition 0.000 claims abstract description 10
- 239000003995 emulsifying agent Substances 0.000 claims abstract description 10
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- 229940051841 polyoxyethylene ether Drugs 0.000 claims abstract description 4
- 229920000056 polyoxyethylene ether Polymers 0.000 claims abstract description 4
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 14
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- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 6
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- KGWDUNBJIMUFAP-KVVVOXFISA-N Ethanolamine Oleate Chemical compound NCCO.CCCCCCCC\C=C/CCCCCCCC(O)=O KGWDUNBJIMUFAP-KVVVOXFISA-N 0.000 claims description 3
- DBVJJBKOTRCVKF-UHFFFAOYSA-N Etidronic acid Chemical compound OP(=O)(O)C(O)(C)P(O)(O)=O DBVJJBKOTRCVKF-UHFFFAOYSA-N 0.000 claims description 3
- 229940090948 ammonium benzoate Drugs 0.000 claims description 3
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- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 description 1
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Abstract
本发明公开了一种水基LED芯片清洗剂,包括如下组分:烷基醇酰胺聚氧乙烯醚、失水山梨醇脂肪酸酯聚氧乙烯醚、乳化剂、有机溶剂、四氢糠醇、三氟乙醇、三丙二醇甲醚、2-(2′-羟基苯基)苯并咪唑、异丙苯磺酸钠、分散剂、缓蚀剂以及去离子水。本发明提供的清洗剂清洗效率高,去污能力强;安全性能好,不污染环境;节约能源,洗涤成本低;洗涤过程对LED无损清洗剂能够在芯片表面形成保护膜,隔绝空气,防止大气中水及其他分子腐蚀芯片,抗氧化,方便下一步制作工艺进行。
Description
技术领域
本发明涉及一种清洗剂,具体地说,本发明涉及一种水基LED芯片清洗剂。
背景技术
在电子工业制造的电子元件的生产过程中,采用清洁剂对部件进行清洗是必不可少的工艺过程,而采用的清洗剂大部分包括氟利昂在内的清洗剂,而氟利昂是破坏大气臭氧层的物质,根据国际上签订的蒙特利尔协议书,各签订国应该逐步淘汰氟利昂等氯氟烃类物质。这是向电子工业发出的任务与挑战,因此需要选择合适的替代清洁剂和采用相应的生产工艺。
地球是人类赖以生存的家园,保护好环境就是保护人类自身。因大工业生产而造成的臭氧层空洞已经引起世界各国政府的注意,同时很多国家都已采取行动,中国是最大的发展中国家,中国的电子工业正在迅猛崛起,因此我们有义务去通过不断的发展,逐步淘汰氯氟烃类物质的使用,其中一个重要任务就是寻找非氯氟烃的清洗剂和合适的工艺。
在电子工业制造中,电子元件的生产和组装有多个阶段组成,并且每个阶段都有清洗的工艺过程,以保证产品的高可靠性和高成品率。由于污染颗粒的沾污和不恰当的清洗所导致的电子元件问题包括高漏电、短路开路、腐蚀锈蚀、检测失效、不良焊接、密封不牢和金属迁移等而造成大量降级产品和次品。因此需要进一步开发一种既环保又高效的清洗剂。
发明内容
本发明的目的是提供一种水基LED芯片清洗剂,该清洗剂能够在芯片表面形成保护膜,隔绝空气,防止大气中水及其他分子腐蚀芯片,抗氧化,方便下一步制作工艺进行。
本发明采用的技术方案为一种水基LED芯片清洗剂,包括如下重量份的组分:
优选的是,所述缓蚀剂为苯并三氮唑、苯甲酸钠、苯甲酸胺中的一种或两种。
优选的是,所述烷基醇酰胺聚氧乙烯醚为碳原子数为8~18的脂肪酸先经过乙醇胺缩合,再经过乙氧基化得到的产物,其乙氧基数为3~6。
优选的是,所述失水山梨醇脂肪酸酯聚氧乙烯醚的皂化值为80~120,其中皂化值为85~110的失水山梨醇脂肪酸酯聚氧乙烯醚的比例为80wt%以上。
优选的是,所述分散剂为乙二胺四乙酸二钠、羟基乙叉二膦酸四钠、二乙烯三胺五乙酸五钠及柠檬酸钠中的两种或三种的混合物。
优选的是,所述乳化剂为两种HLB值不同的脂肪醇聚氧乙烯醚和仲辛基酚聚氧乙烯醚复配而成,其HLB值在5~20之间。
优选的是,所述有机溶剂为异丙醇和丙酮的混合物,其中异丙醇的质量分数为50~70%,丙酮的质量分数为30~50%。
本发明至少包括以下有益效果:
(1)本发明水基LED芯片清洗剂采用安全且易于漂洗的分散剂和表面活化剂配合使用,清洗速度快且没有毒挥发性物质产生,减少对操作者皮肤的伤害及对环境的污染,同时由于清洗的效率高、速度快,成本也更低;
(2)本发明清洗剂含三氟乙醇,因而不易燃、挥发速率快,清洗剂中选用的化学试剂,不污染环境,不易燃烧,对人体无害,属于非破坏臭氧层物质,满足环保要求,可以替代目前仍在使用的氟利昂清洗剂和卤代烃溶剂;对LED表面残留物、助焊剂、松香、树脂、油污、指印、灰尘有优良的清洗效果;
(3)本发明清洗剂清洗效率高,去污能力强;安全性能好,不污染环境;节约能源,洗涤成本低;洗涤过程对LED无损伤,加入乳化剂增加了烷基醇酰胺聚氧乙烯醚的渗透效率,二者协同作用,增强去污效果,加入2-(2′-羟基苯基)苯并咪唑可以保持化学平衡,降低表面张力,防止光、热分解或氧化分解。
具体实施方式
以下将结合具体实施例来详细说明本发明的实施方式,借此对本发明如何应用技术手段来解决技术问题,并达到技术效果的实现过程能充分理解并据以实施。
若未特别指明,实施例中所采用的技术手段为本领域技术人员所熟知的常规手段,所采用的原料也均为可商业获得的。未详细描述的各种过程和方法是本领域中公知的常规方法。
一种水基LED芯片清洗剂,包括如下重量份的组分:
作为本发明进一步改进,所述缓蚀剂为苯并三氮唑、苯甲酸钠、苯甲酸胺中的一种或两种。
作为本发明进一步改进,所述烷基醇酰胺聚氧乙烯醚为碳原子数为8~18的脂肪酸先经过乙醇胺缩合,再经过乙氧基化得到的产物,其乙氧基数为3~6。
作为本发明进一步改进,所述失水山梨醇脂肪酸酯聚氧乙烯醚的皂化值为80~120,其中皂化值为85~110的失水山梨醇脂肪酸酯聚氧乙烯醚的比例为80wt%以上。本发明采用非离子表面活性剂失水山梨醇脂肪酸酯聚氧乙烯醚通过三步法反应制得。首先,山梨醇脱水形成去水山梨糖;去水山梨糖同脂肪酸如油酸、硬脂酸,棕榈酸生成己糖酯;最后在催化剂作用下和环氧乙烷反应生成失水山梨醇脂肪酸酯聚氧乙烯醚。合适皂化值的失水山梨醇脂肪酸酯聚氧乙烯醚其乳化力、洗涤力、分散力好,与分散剂配合使用,可以显著提高清洗剂的去污能力。
作为本发明进一步改进,所述分散剂为乙二胺四乙酸二钠、羟基乙叉二膦酸四钠、二乙烯三胺五乙酸五钠及柠檬酸钠中的两种或三种的混合物。
作为本发明进一步改进,所述乳化剂为两种HLB值不同的脂肪醇聚氧乙烯醚和仲辛基酚聚氧乙烯醚复配而成,其HLB值在5~20之间。本发明采用的乳化剂HLB范围在5~20之间,这主要是从乳化剂的增效和协同反应出发,两种乳化剂混合体系协同效应的存在不仅取决于它们之间相互作用的强度,而且也取决于混合体系中各组分乳化剂的相关性质。为使两种乳化剂产生协同效应,它们必须有相互吸引作用,且它们的相关性质差异不能太大。
作为本发明进一步改进,所述有机溶剂为异丙醇和丙酮的混合物,其中异丙醇的质量分数为50~70%,丙酮的质量分数为30~50%。有机溶剂在该清洗剂的的作用是溶解其他组分,同时清洗剂需要易挥发有机体系、且快速、高效、因此选用异丙醇与丙酮二者的混合物作为有机溶剂,不仅可以满足溶解其他组分的性能,提高清洗剂的清洗性能,还使得整个清洗剂具有易挥发有机体系,可以有效降低清洗剂的清洗残留物。
表1列出不同实施例和对比例的具体组分及其含量。
表1实施例1~3和对比例1~4具体的组分
注:3EO是指乙氧基数为3,其他类似的表示也指该含义。
表2列出了实施例1~3和对比例1~4的测试结果。
表2实施例1~3和对比例1~4的测试结果
尽管本发明的实施方案已公开如上,但其并不仅仅限于说明书和实施方式中所列运用,它完全可以被适用于各种适合本发明的领域,对于熟悉本领域的人员而言,可容易地实现另外的修改,因此在不背离权利要求及等同范围所限定的一般概念下,本发明并不限于特定的细节。
Claims (7)
1.一种水基LED芯片清洗剂,其特征在于,包括如下重量份的组分:
2.如权利要求1所述的水基LED芯片清洗剂,其特征在于,所述缓蚀剂为苯并三氮唑、苯甲酸钠、苯甲酸胺中的一种或两种。
3.如权利要求1所述的水基LED芯片清洗剂,其特征在于,所述烷基醇酰胺聚氧乙烯醚为碳原子数为8~18的脂肪酸先经过乙醇胺缩合,再经过乙氧基化得到的产物,其乙氧基数为3~6。
4.如权利要求1所述的水基LED芯片清洗剂,其特征在于,所述失水山梨醇脂肪酸酯聚氧乙烯醚的皂化值为80~120,其中皂化值为85~110的失水山梨醇脂肪酸酯聚氧乙烯醚的比例为80wt%以上。
5.如权利要求1所述的水基LED芯片清洗剂,其特征在于,所述分散剂为乙二胺四乙酸二钠、羟基乙叉二膦酸四钠、二乙烯三胺五乙酸五钠及柠檬酸钠中的两种或三种的混合物。
6.如权利要求1所述的水基LED芯片清洗剂,其特征在于,所述乳化剂为两种HLB值不同的脂肪醇聚氧乙烯醚和仲辛基酚聚氧乙烯醚复配而成,其HLB值在5~20之间。
7.如权利要求1所述的水基LED芯片清洗剂,其特征在于,所述有机溶剂为异丙醇和丙酮的混合物,其中异丙醇的质量分数为50~70%,丙酮的质量分数为30~50%。
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