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发明授权
CN105623419B 一种橡胶O型圈表面涂覆用水性低摩擦、标识涂料及其制备方法 有权

一种橡胶O型圈表面涂覆用水性低摩擦、标识涂料及其制备方法
摘要：
本发明公开了一种橡胶O型圈表面涂覆用水性低摩擦、标识涂料及其制备方法，是将水性丙烯酸树脂、分散剂、润滑减摩剂、50％的助溶剂和60％的去离子水混合均匀，砂磨分散至细度≤10μm，再加入水性聚氨酯树脂、氨基树脂、色浆、余量的助溶剂、余量的去离子水、流平剂和消泡剂，用三乙胺调pH值至8‑9，800r/min下搅拌分散15min，即得水性低摩擦、标识涂料。本发明涂料喷涂在橡胶表面固化形成的涂层摩擦系数小，自润滑性能优良，与硫化橡胶附着力好。
摘要（英）：

The invention discloses an aqueous low-friction logo coating for coating a rubber O-shaped ring surface and a preparation method of the low-friction logo coating. The preparation method comprises the following steps: uniformly mixing waterborne crylic acid resin, a dispersing agent, a lubrication anti-friction agent, 50% of a cosolvent and 60% of deionized water, performing sanding dispersion till the fineness is less than or equal to 10 [mu]m, further adding waterborne polyurethane resin, amino resin, color paste, the rest cosolvent, the rest deionized water, a leveling agent and a defoaming agent, adjusting the pH value to 8-9 by using triethylamine, and stirring to disperse for 15 minutes at the speed of 800r/min, thereby obtaining the aqueous low-friction logo coating. A coating formed by the aqueous low-friction logo coating sprayed and cured on a rubber surface is small in friction coefficient, excellent in self-lubrication property and good in adhesion to vulcanized rubber.

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