纳米改性氟碳涂料的研究进展

doi:10.3969/j.issn.1001-1803.2019.05.009

摘要/Abstract

摘要：

简述了纳米材料的基本概念和氟碳涂料的类型。归纳介绍了SiO₂、TiO₂和Al₂O₃等新型纳米材料改性氟碳涂料的制备、性能和应用,并展望了其未来发展前景。

Abstract:

The basic concept of nano materials and the types of fluorocarbon coatings are briefly described. The preparation, properties and application of new fluorocarbon coatings modified with nano materials such as SiO₂, TiO₂and Al₂O₃ are introduced. Their future development has also been prospected.

Key words: fluorocarbon coating, modification, nano materials

中图分类号:

TQ637

韩明虎,张腊腊,武芸,张琪,胡浩斌. 纳米改性氟碳涂料的研究进展[J]. 日用化学工业, 2019, 49(5): 328-334.

HAN Ming-hu,ZHANG La-la,WU Yun,ZHANG Qi,HU Hao-bin. Research progress of nano-modified fluorocarbon coatings[J]. China Surfactant Detergent & Cosmetics, 2019, 49(5): 328-334.

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类型	优点	缺点
PVF	耐候、耐腐蚀和耐化学品性能优异,价格低且附着力强;柔韧,耐折,抗冲击性好	常温不能直接加工,需加潜溶剂;干燥要快,光亮度和丰满度较差,不宜刷涂
PVDF	耐热、耐候、耐老化、耐腐蚀、耐化学品和抗紫外线性能良好	冷却固化时容易结晶,附着力较差;使用前需共混改性,涂覆需要底漆;漆膜易出现针孔和气泡
PTFE	耐腐蚀和耐化学品性能极好	孔隙率高,涂层薄,难以涂覆加厚;刚性强,易结晶,相容性差;加工和溶解困难,难以单独使用

项目	优等品技术要求	检测结果
在容器中状态	无硬块,搅拌后成均匀状态	合格
施工性	涂刷2道无障碍	合格
干燥时间/h	≤2	1
耐水性（96 h）	无异常	无异常
耐碱性（48 h）	无异常	无异常
耐洗刷/次	≥2 000	20 000
对比率/%	≥0.93	0.95
低温稳定性（5次循环）	不变质	不变质
耐温变性（5次循环）	无异常	无异常
耐沾污性/%	≤15	6.1
耐人工老化性/h	600 h不起泡、不剥落、无裂纹,粉化≤1级、变色≤2级	2 000 h不起泡、不剥落、无裂纹,粉化0级、变色 1级
内部温差/℃	23	5

项目	技术指标	水性纳米TiO₂氟碳涂料
干燥时间（表干）/h	2	0.9
遮盖率/%	90	99
耐水性/h	168	780
耐酸性/h	168	590
耐碱性/h	168	550
耐洗刷性/h	10 000	35 400
耐人工老化性/h	2 500	3 500