Synthesis of Wholly Alicyclic Polyimides from N-Silylated Alicyclic Diamines and Alicyclic Dianhydrides
作者:Yasufumi Watanabe、Yoshimasa Sakai、Yuji Shibasaki、Shinji Ando、Mitsuru Ueda、Yoshiyuki Oishi、Kunio Mori
DOI:10.1021/ma011627k
日期:2002.3.1
A new synthetic method to give wholly alicyclic polyimides with high molecular weights has been developed. The polymerization of cyclobutanetetracarboxylic dianhydride (1a) or bicyclo[2.2.1]heptane-2-methanecarboxylic-3,5,6-tricarboxylic-2,3:5,6-dianhydride (1b) with various N-silylated alicyclic diamines (2) was carried out in N,N-dimethylacetamide (DMAc) at room temperature, giving poly(amic acid