摘要
可再生的大豆油、TDI为原料，合成出端-NCO的大豆油基聚氨酯PU。对聚氨酯中的-NCO含量进行了测定。采用FT—IR对材料进行了定性分析，对聚氨酯的色泽、粘度、容纳度等性能进行了测试。结果表明：大豆油基聚氨酯预聚体反应中NCO与OH的物质的量比为1：1时，保温时间40h，反应温度70℃反应最完全。在-NCO含量为2．0％～2．5％时，各项性能最适合在印刷油墨连接料中应用。
Soybean oil based polyurethane PU with --NCO end was synthesized with reproducible soy- bean oil and TDI. The content of --NCO in the polyurethane was determined and the material was analyzed qualitatively with FT-IR. The color, viscosity, and accommodation degree were tested. The results showed that soybean oil based polyurethane reaction achieved the most completeness when the NCO ： OH is 1 ： 1, temperature holding time is 40h, and reaction temperature is 70℃. When --NCO content is 5.24 to 4.93 percent, the polyurethane PU has the best performance for application in printing ink.
出处
《包装工程》
CAS
CSCD
北大核心
2009年第1期65-67,70,共4页
Packaging Engineering
关键词
大豆油
聚氨酯
适印性
soybean oil
polyurethane
printability
