在氮气的保护下,采用本体聚合的方法,以自制的季铵碱Z-0710作为催化剂,控制催化剂用量、反应温度及反应时间等条件,合成六亚甲基二异氰酸酯(HDI)三聚体固化剂.用凝胶渗透色谱(GPC)跟踪反应进程,采用傅里叶红外光谱(FT-IR)表征了HDI异氰脲酸酯的结构,研究了其合成工艺条件.实验结果表明:该季铵碱催化剂具有较高的活性.在70℃下,滴加0.5％的催化剂,反应2h得到的三聚体的含量最多.
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