CN106906024A - 包含三嗪化合物或其盐的固体保护膜状润滑剂 - Google Patents

包含三嗪化合物或其盐的固体保护膜状润滑剂 Download PDF

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CN106906024A
CN106906024A CN201611178509.0A CN201611178509A CN106906024A CN 106906024 A CN106906024 A CN 106906024A CN 201611178509 A CN201611178509 A CN 201611178509A CN 106906024 A CN106906024 A CN 106906024A
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半泽隆
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Kyodo Yushi Co Ltd
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    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
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    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/22—Heterocyclic nitrogen compounds
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    • C10M2215/2225—Triazines used as base material
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    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
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Abstract

本发明提供一种包含三嗪化合物或其盐的固体保护膜状润滑剂。本发明提供由有机物形成的固体保护膜状的润滑剂，其特征在于，包含三聚氰胺氰尿酸酯等三嗪化合物或其盐。

Description

包含三嗪化合物或其盐的固体保护膜状润滑剂
技术领域
本发明涉及包含三嗪化合物或其盐的、具有润滑性的固体保护膜状润滑剂。
背景技术
至今为止，在润滑技术领域，三嗪化合物或其盐主要用作抗氧化剂、金属防腐剂、防腐剂(专利文献1～3等)。
另一方面，已知将三嗪化合物或其盐适用于聚对苯二甲酸乙二醇酯或聚丙烯薄膜等基材上，可以所得到作为氧气的阻隔膜的保护膜，其可以主要用于食品包装用途(专利文献4)。
但是，尚未获知将包含三嗪化合物或其盐的保护膜用作润滑剂。
现有技术文献
专利文献
专利文献1：国际公开第2006/078035号
专利文献2：日本特开2002-285186号公报
专利文献3：日本特开2002-285182号公报
专利文献4：日本特表2002-518219号公报
发明内容
发明所要解决的课题
本发明的目的在于提供一种由有机物形成的保护膜状的润滑剂。
解决课题的方法
作为三嗪化合物，代表性的三聚氰胺氰尿酸酯显示云母状的结晶结构，可以用作固体润滑剂。本发明人等发现，由三聚氰胺氰尿酸酯形成的固体润滑保护膜惊人地具有良好的润滑性，从而实现了本发明。即，根据本发明，提供了：
1.以含有三嗪化合物或其盐为特征的固体保护膜状润滑剂；以及
2.上述1项所述的固体保护膜状润滑剂，其中，三嗪化合物或其盐为三聚氰胺氰尿酸酯。
发明效果
根据本发明，可以提供由有机物形成的保护膜状的润滑剂。本发明的润滑剂，不仅可以在极低温、高温下实现润滑，而且与油或润滑脂不同，在不对周围进行污染的干净环境下也能够实现润滑，且能够不改变部件的尺寸进行组装。
具体实施方式
作为能够形成本发明的固体保护膜状润滑剂的三嗪化合物或其盐，例举1,3,5-三嗪，例如三聚氰胺、三聚氰酸二酰胺(アメリン)、三聚氰酸一酰胺(アメリド)、氰尿酸、2-脲基三聚氰胺、蜜白胺、蜜勒胺、三聚亚氰二胺(メロン)。作为三聚氰胺盐的例子，例举三聚氰胺氰尿酸酯(MCA)、磷酸三聚氰胺、焦磷酸二三聚氰胺或三聚氰胺聚磷酸盐以及官能化的三聚氰胺，例如六甲氧基甲基三聚氰胺或丙烯酸官能化三聚氰胺。尤其优选三聚氰胺氰尿酸酯。
这些三嗪化合物或其盐，可以单独使用一种，也可以同时使用两种以上。在同时使用的情况下，可以在一层保护膜中含有多种三嗪化合物或其盐，也可以在一层保护膜中含有一种单独的三嗪化合物或其盐而使用多层膜。
本发明的保护膜，可以包含三嗪化合物或其盐之外的化合物。作为这样的化合物，例举例如二硫化钼、二硫化钨、氮化硼、PTFE。在包含三嗪化合物或其盐之外的化合物的情况下，以保护膜的总质量为基准，三嗪化合物或其盐优选为至少75质量％，更优选为至少90质量％，最优选为100质量％。
本发明的三嗪保护膜，可以在润滑位置直接形成。另外，可以与选自水、油及润滑脂所形成则组中的至少一种同时使用。作为构成能够形成保护膜的位置的材料，例举金属(例如铁、铜、银、锌、铬、铝)、玻璃、陶瓷、橡胶、塑料(例如聚酰胺、聚缩醛、聚碳酸酯等所谓工程塑料)等。
三嗪化合物或其盐，可以使用公知的气相沉积技术以及装置来适用。气相沉积温度，根据实施气相沉积的压力而不同，但优选为低于三嗪化合物或其盐发生分解的温度，更优选为600℃以下，进一步优选为500℃以下。优选为300℃以上，进一步优选为400℃以上。气相沉积，既可以在高压下进行也可以在大气压下进行，但是优选在减压下，例如1000Pa以下优选为100Pa以下进行，更优选在10至10-4Pa下进行，进一步优选为1至5×10-3Pa下进行。
气相沉积中，优选物理气相沉积。可以为通过真空气相沉积、溅射及离子镀的气相沉积的任一种，优选为真空气相沉积。
构成本发明的润滑剂的保护膜的厚度，具有至少亚微米的有序则可以作为润滑剂发挥作用。例如，0.1μm以上即可。上限没有特别限制，10～5μm为适当的。
本发明的润滑剂，只要是需要形成三嗪化合物或其盐的保护膜的位置处，没有特别限制可以适用。例如，例举滑动轴承、滚动轴承、齿轮、螺钉、汽车零部件、电气和电子设备。
实施例
实施例1
准备具有减压室与气相沉积用钨丝(将灯丝卷绕成螺旋状从而成型为篮形状的部件)的真空气相沉积装置(明石制作所VED-1554)。在气相沉积用钨丝内装入三聚氰胺氰尿酸酯。将减压室内的压力降低至5×10-3Pa～1Pa，通过将灯丝加热至400～500℃，由此使得三聚氰胺氰尿酸酯气化从而沉积在溴化钾单晶基材上。
将气相沉积的三聚氰胺氰尿酸酯层的IR光谱与气相沉积前的三聚氰胺氰尿酸酯的IR光谱进行比较。由此确认，在气相沉积后三聚氰胺氰尿酸酯的化学结构未发生变化。
实施例2
通过哑铃-片试验测定摩擦系数
除了代替溴化钾单晶基材而使用下述试验片之外，与实施例1同样地，在试验片上气相沉积三聚氰胺氰尿酸酯或矿物油(25℃下的运动粘度：100mm2/s)的保护膜，得到实施例2及比较例2的气相沉积保护膜。未形成气相沉积保护膜的试验片作为比较例3。
使哑铃形状的被测材料(Barbell型试验片)与盘(Plate)型试验片的表面接触，在该状态下，在增加荷重的同时使片材旋转，由此使得被测材料的表面与片材表面发生滑动的实验。被测材料为由的两个圆盘以及连接该两个圆盘的中央部分的轴构成的Fe-Cr合金钢。其中，与片材表面滑动接触的是圆盘的周缘部分。
(1)试验片的材质
Barbell型试验片：SCr415
片材型试验片：SUJ2
(2)试验方法
通过与圆盘进行线接触的方式，即使在较低的面压条件下也能够得到每片较少的稳定的接触状态。试验条件如表1所示。通过用负载传感器来测量滑动方向的扭矩由此测定摩擦系数。
(3)试验条件
面压210MPa
滑动速度0.1m/s
试验时间5分钟
表1

Claims (6)

1.一种固体保护膜状润滑剂，其特征在于，包含三嗪化合物或其盐。
2.如权利要求1所述的固体保护膜状润滑剂，其特征在于，所述三嗪化合物或其盐为三聚氰胺氰尿酸酯。
3.如权利要求1或2所述的固体保护膜状润滑剂，其特征在于，通过物理气相沉积成膜。
4.如权利要求3所述的固体保护膜状润滑剂，其特征在于，所述物理气相沉积为真空气相沉积。
5.一种润滑剂，其特征在于，在如权利要求1～4任一项所述的固体保护膜状润滑剂上由润滑脂或润滑油形成为膜状来构成。
6.一种固体保护膜状润滑剂的制造方法，其特征在于，包括：将三嗪化合物或其盐通过气相沉积进行成膜。
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