摘要
采用蓖麻油、硅烷偶联剂等制备了聚脲专用环氧树脂底漆。在底漆的成膜过程中,蓖麻油能与基材形成氢键,同时与聚脲层中残留的异氰酸根(—NCO)反应,起到桥接作用,降低了漆膜的内应力,改善了漆膜柔韧性、耐冲击性,提高了粘结强度及耐剥离性能。
Aproprietary epoxy primer for polyurea was prepared with castor oil, silane cou- pling agent, etc. In the film- forming process, castor oil＇s hydroxyl was bonded on substrate via hydrogen bond, which also reacted with the residual isocyanate group （-NCO） in poly- urea layer, forming a bridge, reducing the internal stress of the paint film and improving the film flexibility, impact resistance, bonding strength and peel resistance.
出处
《涂料工业》
CAS
CSCD
北大核心
2013年第4期70-73,共4页
Paint & Coatings Industry
关键词
蓖麻油
环氧树脂
底漆
耐剥离
内应力
castor oil
epoxy resin
primer
peel resistance
internal stress
