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通过静电喷涂进行坚固和功能性的水凝涂层.

Lei Wang1,2,3, Yaoting Xue1, Siyang Li1

  • 1Center for X-Mechanics, Department of Engineering Mechanics, Zhejiang University, Hangzhou, 310027, China.

Small (Weinheim an der Bergstrasse, Germany)
|December 21, 2024
PubMed
概括

软化粘合剂水凝粉末 (LAHPs) 克服了将水凝涂层应用于复杂表面的挑战. 这种多功能方法在各种材料上创建了坚固的,功能性的涂层,使广泛的应用成为可能.

关键词:
静电喷雾是一种静电喷雾.功能性涂层是一种功能性涂层.水凝涂层是用水凝涂层进行的.

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科学领域:

  • 材料科学 材料科学 材料科学
  • 聚合物化学 聚合物化学
  • 表面工程是什么?表面工程是什么?

背景情况:

  • 水凝涂层提供了先进的表面性能,但对于大型/复杂的基板而言,在湿化和固化方面存在局限性.
  • 现有的方法在不同的材料类型和几何形状上扎着统一的应用和受控的固化.

研究的目的:

  • 开发一种用于在大型和复杂的基板上涂抹水凝涂层的新方法.
  • 为了克服与传统水凝涂层技术相关的湿条件和固化过程的局限性.

主要方法:

  • 从聚烯酸-co-3-trimethoxysilyl-propyl甲基烯酸盐) 和奇托中开发冷化粘合液粉 (LAHPs).
  • 在基板上对LAHP进行静电喷涂,然后再加水,形成散装水凝涂层.
  • 涂料的机械性能,附着性和功能属性的表征.

主要成果:

  • LAHP可在各种材料上进行光滑,可调节厚度的水凝涂层,无论其尺寸或几何状况如何.
  • 涂料表现出优异的机械强度 (2.62 MPa),弹性模量 (6.84 MPa),伸展性 (>3折) 和粘附性 (≈900 J m-2).
  • 水凝涂层提供滑性,水友性,核化抑制和pH响应式启动,具有热响应和气体指示的潜力.

结论:

  • 这种LAHP策略为制造先进的水凝涂层提供了一种简单,灵活和方便的方法.
  • 该方法克服了水凝涂层应用中的关键挑战,为广泛的工业和生物医学应用铺平了道路.
  • 这些涂料的可调性性质允许各种功能,扩大了基于水凝的材料的实用性.