CN103320085B - 粘结剂，应用该粘结剂进行表面处理的方法及制品 - Google Patents

粘结剂，应用该粘结剂进行表面处理的方法及制品 Download PDF

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CN103320085B
CN103320085B CN201210079147.5A CN201210079147A CN103320085B CN 103320085 B CN103320085 B CN 103320085B CN 201210079147 A CN201210079147 A CN 201210079147A CN 103320085 B CN103320085 B CN 103320085B
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刘旭
曹达华
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Haining Economic Development Industrial Park Development and Construction Co., Ltd
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Shenzhen Futaihong Precision Industry Co Ltd
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Abstract

一种粘结剂，该粘结剂含有γ‑缩水甘油醚氧丙基三甲氧基硅烷、乙醇、异丙醇、烷基酚聚氧乙烯醚、乙酸铯及十二烷基苯磺酸钠。本发明还提供一种应用该粘结剂进行表面处理的方法及制品。

Description

粘结剂，应用该粘结剂进行表面处理的方法及制品
技术领域
本发明涉及一种粘结剂，应用该粘结剂进行表面处理的方法及制品。
背景技术
现有技术，通常采用阳极氧化的方式在铝或铝合金基体表面形成阳极氧化膜，以使铝或铝合金基体呈现出良好的阳极效果的外观。然而，通过无缝焊接的铝或铝合金基体经阳极氧化后，焊线处易于发黑，如此将影响铝或铝合金制品的外观。
为了解决上述问题，可对焊线处涂覆仿阳极漆。但，仿阳极漆与金属基体之间的结合力较差，即使在涂覆仿阳极漆之前对铝或铝合金基体进行喷砂、蚀刻等粗化处理，两者之间的结合力也不能满足要求。
发明内容
有鉴于此，本案提供一种粘结剂，该粘结剂可有效提高仿阳极漆与金属基体之间的结合力。
同时，提供一种应用所述粘结剂进行表面处理的方法。
另，还提供一种经由该方法制得的制品。
一种粘结剂，该粘结剂含有γ-缩水甘油醚氧丙基三甲氧基硅烷、乙醇、乙醇、异丙醇、烷基酚聚氧乙烯醚、乙酸铯及十二烷基苯磺酸钠。
一种应用上述的粘结剂进行表面处理的方法，包括如下步骤:
提供一基体，该基体的材质为金属材质；
提供粘结剂，所述粘结剂的主要成分为γ-缩水甘油醚氧丙基三甲氧基硅烷、乙醇、异丙醇、烷基酚聚氧乙烯醚、乙酸铯及十二烷基苯磺酸钠；
采用喷涂的方式，向该基体表面喷涂所述粘结剂形成一粘结层；
采用喷涂的方式，在所述粘结层上形成一仿阳极漆层。
一种制品，包括基体、依次形成于该基体上的粘结层及仿阳极漆层，所述粘结层的主要成分为γ-缩水甘油醚氧丙基三甲氧基硅烷、乙醇、异丙醇、烷基酚聚氧乙烯醚、乙酸铯及十二烷基苯磺酸钠。
本发明所述粘结剂中，γ-缩水甘油醚氧丙基三甲氧基硅烷发生水解、缩合反应生成含有Si-OH的低聚硅氧烷。当所述粘结剂附着于所述基体表面时，所述低聚硅氧烷易于与基体表面的金属离子生成Si-O-M（M可以是Fe、Ni、Cr、Al、Mg等金属原子）共价键；另外，所述粘结剂与仿阳极漆层具有良好的结合力，如此，所述粘结层的形成可显著提高所述仿阳极漆层与基体之间的结合力。此外，所述粘结剂的制作方法简单。
附图说明
图1是本发明一较佳实施例被覆件的剖视图。
主要元件符号说明
制品 10
基体 11
粘结层 13
仿阳极漆层 15
如下具体实施方式将结合上述附图进一步说明本发明。
具体实施方式
本发明较佳实施例提供一种可提高金属基体与仿阳极漆层漆之间结合力的粘结剂。该粘结剂的主要成分为γ-缩水甘油醚氧丙基三甲氧基硅烷（又名硅烷偶联剂KH560）、乙醇、异丙醇、烷基酚聚氧乙烯醚（OP-10）、乙酸铯及十二烷基苯磺酸钠。其中，所述硅烷偶联剂KH560的质量百分含量为20~40%，乙醇的质量百分含量为10~30%，异丙醇的质量百分含量为5~10%，烷基酚聚氧乙烯醚的质量百分含量为0.1~0.4%，乙酸铯的质量百分含量为0.2~0.5%，十二烷基苯磺酸钠的质量百分含量为0.1~0.4%，余量为水。
十二烷基苯磺酸钠作为表面活性剂，用于降低粘结剂的表面张力，使粘结剂对金属基体11具有良好的润湿性并牢固地结合于金属基体11的表面。同时，十二烷基苯磺酸钠还可使硅烷偶联剂KH560在粘结剂中具有良好的分散性。
由于硅烷偶联剂KH560表面能低，具有疏水性，乙醇和/或异丙醇可与硅烷偶联剂KH560反应形成硅醇基团，如此可提高粘结剂与水的相容性。
请参见图1所示，应用该粘结剂进行表面处理的方法，包括如下步骤：
提供一基体11，该基体11的材质为金属，如：不锈钢、铝合金或镁合金等。
对所述基体11表面进行脱脂除油、清洗、烘干等常规处理。
提供粘结剂。所述粘结剂主要成分为硅烷偶联剂KH560、乙醇、异丙醇、OP-10、乙酸铯及十二烷基苯磺酸钠。
所述粘结剂通过如下方法制得：
取硅烷偶联剂KH560、乙醇、异丙醇、OP-10、乙酸铯、十二烷基苯磺酸钠及去离子水为原料。其中，所述硅烷偶联剂KH560的质量百分含量为20~40%，所述乙醇的质量百分含量为10~30%，所述异丙醇的质量百分含量为5~10%，所述烷基酚聚氧乙烯醚的质量百分含量为0.1~0.4%，所述乙酸铯的质量百分含量为0.2~0.5%，所述十二烷基苯磺酸钠的质量百分含量为0.1~0.4%，余量为水。
将乙醇、异丙醇、OP-10、乙酸铯、十二烷基苯磺酸钠及去离子水混合并搅拌均匀得一混合液；向所述混合液中加入硅烷偶联剂KH560后，加热该混合液至50~60℃并在该温度下搅拌0.5~2.0h，然后在室温下静置待用。
采用喷涂的方式，在所述基体11表面喷涂粘结剂，之后将喷涂有粘结剂的基体11置于95~150℃的温度下烘烤10~15min，于所述基体11上形成一粘结层13。固化后，所述粘结层13的厚度为1~4µm。
采用喷涂的方式，在所述粘结层13上形成一仿阳极漆层15。用以形成仿阳极漆层15的油漆为仿阳极漆。喷涂用喷枪的压力为3~5MPa，喷涂距离为15~25cm，流平温度为23~27℃，流平时间为3.5~4.5min。完成喷涂后，将基体11置于80~120℃的温度下烘烤10~15min，于所述粘结层13表面形成一仿阳极漆层15。固化后，所述仿阳极漆层15的厚度为20~50µm。本实施例中，该仿阳极漆为武藏涂料有限公司提供的型号为WZ-9065的仿阳极漆。
所述仿阳极漆主要由丙烯酸树脂、丙烯酸甲酯、异丙醇、二丙酮醇、丁醇、乙醇胺及有机颜料组成。其中，丙烯酸树脂的质量百分含量为15-20%，丙烯酸甲酯的质量百分含量为15-20%，异丙醇的质量百分含量为4-6%，二丙酮醇的质量百分含量为3-5%，丁醇的质量百分含量为12-15%，乙醇胺的质量百分含量为7-10%及有机颜料的质量百分含量为10-15%。本实例中，所述有机颜料为奎酞颜料。
一种经由上述表面处理方法制得的制品包括基体、形成于该基体上的粘结层、仿阳极漆层。
所述基体11的材质可为金属。所述金属可为不锈钢、铝合金或镁合金。
所述粘结层13的厚度为1~4µm。所述粘结层13的主要成分为硅烷偶联剂KH560、乙醇、异丙醇、OP-10、乙酸铯及十二烷基苯磺酸钠。
所述仿阳极漆层15的厚度为20~50µm。用以形成该仿阳极漆层15的油漆为仿阳极漆。本实施例中，该仿阳极漆为武藏涂料有限公司提供的型号为WZ-9065仿阳极漆。
本发明所述粘结剂中，硅烷偶联剂KH560发生水解、缩合反应生成含有Si-OH的低聚硅氧烷。当所述粘结剂附着于所述基体11表面时，所述低聚硅氧烷易于与基体11表面的金属离子生成Si-O-M（M可以是Fe、Ni、Cr、Al、Mg等金属原子）共价键；另外，所述粘结剂与仿阳极漆层15具有良好的结合力，如此，所述粘结层13的形成可显著提高所述仿阳极漆层15与基体11之间的结合力。此外，所述粘结剂的制作方法简单。

Claims (9)

1.一种粘结剂，其特征在于：所述粘结剂含有γ-缩水甘油醚氧丙基三甲氧基硅烷、乙醇、异丙醇、烷基酚聚氧乙烯醚、乙酸铯及十二烷基苯磺酸钠。
2.如权利要求1所述的粘结剂，其特征在于：该粘结剂中，γ-缩水甘油醚氧丙基三甲氧基硅烷的质量百分含量为20~40%，乙醇的质量百分含量为10~30%，异丙醇的质量百分含量为5~10%，烷基酚聚氧乙烯醚的质量百分含量为0.1~0.4%，乙酸铯的质量百分含量为0.2~0.5%，十二烷基苯磺酸钠的质量百分含量为0.1~0.4%。
3.一种应用权利要求1-2中任一项所述的粘结剂进行表面处理的方法，包括如下步骤:
提供一基体，该基体的材质为金属材质；
提供粘结剂，所述粘结剂的主要成分为γ-缩水甘油醚氧丙基三甲氧基硅烷、乙醇、异丙醇、烷基酚聚氧乙烯醚、乙酸铯及十二烷基苯磺酸钠；
采用喷涂的方式，向该基体表面喷涂所述粘结剂形成一粘结层；
采用喷涂的方式，在所述粘结层上形成一仿阳极漆层。
4.如权利要求3所述的表面处理的方法，其特征在于：该粘结剂中，γ-缩水甘油醚氧丙基三甲氧基硅烷的质量百分含量为20~40%，乙醇的质量百分含量为10~30%，异丙醇的质量百分含量为5~10%，烷基酚聚氧乙烯醚的质量百分含量为0.1~0.4%，乙酸铯的质量百分含量为0.2~0.5%，十二烷基苯磺酸钠的质量百分含量为0.1~0.4%。
5.如权利要求3或4所述的表面处理的方法，其特征在于：所述粘结剂通过如下方式制得：将乙醇、异丙醇、烷基酚聚氧乙烯醚、乙酸铯、十二烷基苯磺酸钠及去离子水混合并搅拌均匀得一混合液；向所述混合液中加入γ-缩水甘油醚氧丙基三甲氧基硅烷后，加热该混合液至50~60℃并在该温度下搅拌0.5~2.0h，然后在室温下静置待用。
6.一种制品，包括基体及形成于基体上的仿阳极漆层，其特征在于：所述制品还包括形成在所述基体与仿阳极漆层之间的粘结层，所述粘结层的主要成分为γ-缩水甘油醚氧丙基三甲氧基硅烷、乙醇、异丙醇、烷基酚聚氧乙烯醚、乙酸铯及十二烷基苯磺酸钠。
7.如权利要求6所述的制品，其特征在于：所述粘结层的厚度为1~4µm。
8.如权利要求6所述的制品，其特征在于：所述仿阳极漆层的厚度为20~50µm。
9.如权利要求6所述的制品，其特征在于：所述基体的材质为为金属。
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