The synthesis methods of B stage resins (BA/Py,BA/Ph and PHBA)possessing triarylmethane strcuture and their unit structures of molecular chain were introduced.

• 介绍了BA/Py，BA/Ph和PHBA三种具有三芳基甲烷结构B阶树脂的合成方法及分子链的单元结构形式。