多功能灵活硬涂料具有耐候性和防热性能
Yuxi Chen1, Shenglan Tian1, Jincheng Ruan2
1College of Chemistry and Materials Engineering, Zhejiang A & F University, Hangzhou 311300, China.
Polymers
|February 26, 2025
概括
新的多功能涂层提供优越的硬度,灵活性和疏水性. 这些先进的透明涂层利用二氧化 (SiO2) 和 (Al2O3) 纳米颗粒,有效地抵抗光衰老和恶劣条件.
科学领域:
- 材料科学 材料科学 材料科学
- 纳米技术 纳米技术
- 表面化学 表面化学
背景情况:
- 多功能涂料需要增强耐用性,特别是对抗光衰老.
- 现有的涂层往往缺乏硬度,灵活性,透明度和疏水性的组合.
- 对恶劣环境条件的保护仍然是透明涂料面临的挑战.
研究的目的:
- 开发新的多功能混合涂料,提高硬度,灵活性,透明度和疏水性.
- 为了提高透明涂料的光衰老抵抗力.
- 为这些涂料创建一个简单有效的室温制造策略.
主要方法:
- 使用锡拉和环氧功能化锡拉来修改二氧化 (SiO2) 和 (Al2O3) 纳米粒子.
- 改性纳米粒子与聚乙胺固化剂的反应,形成高度交联的混合涂层.
- 涂层性能的表征,包括硬度,灵活性,透射率和疏水性.
主要成果:
- 开发的涂层具有出色的硬度 (4H),灵活性 (10毫米曲直径) 和高透射率 (>97%).
- 涂料表现出显著的疏水性,与水接触角度为141.37°,归因于PDMS和HMDS.
- SiO2和Al2O3纳米颗粒由于其高反射性,可以增强光衰老抵抗力和热屏蔽效果.
结论:
- 一种新的,高度交联的多功能混合涂层在室温下成功合成.
- 这些涂料具有独特的理想性质组合,包括硬度,灵活性,透明度和疏水性.
- 该战略提供了一种简单,高效和无紫外线辐射的方法,用于生产具有广泛应用的先进透明涂层.
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