摘要： 采用了示差扫描量热仪（DSC）、动态力学谱仪（DMA）、傅里叶红外光谱仪（FT-IR）研究了 GMA-PUA-纳米 SiO2复合涂料的非等温固化反应及动态力学性能。结果表明：该体系具有较好的相容性，固化过程可以用自催化Sestak-Berggren（S-B）动力模型描述。当改性纳米 SiO2 质量分数为 10%时，玻璃化温度达到最大值，提高了7.3℃。
关键词:
UV－光固化涂料,
甲基丙烯酸缩水甘油酯,
聚氨酯丙烯酸酯,
纳米 SiO2,
固化动力学
Abstract: The curing process and kinetics of Uv-curable hybrid coating based on glycidyl methacrylate (GMA)/polyurethane-acrylate(PUA)/nano-SiO2 were investigated by FT-IR, DSC, and DMA. The results indicated that the three components showed good compatibility. The curing reaction could be described by a two-parameter autocatalytic Sestak - Berggren(S-B) model. When the content of nano-SiO2 was 10%, the Tg, reached the highest, which was increased by 7. 3°C compared to the pure system.
Key words:
Uv-curable coating,
glycidyl methacrylate,
polyurethane-acrylate,
nano-SiO2,
curing kinetics
马营营, 高俊刚, 林浩杰. UV－固化 GMA－PUA－纳米 SiO2 杂化涂料固化动力学[J]. 涂料工业, 2011, 41(8): 39-42.
Ma Yingying, Gao Jungang, Lin Haojie. Curing Kinetics of UV-Curable Glycidyl Methacrylate/ Polyurethane-acrylate/Nano-SiO2 Hybrid Coatings[J]. Paint & Coatings Industry, 2011, 41(8): 39-42.