Polyimides, thermosetting resin compositions containing the polyimides, formed articles of the resin compositions, and production process of the polyimides

摘要

A polymide comprises structural units represented by the following formula: wherein Ar is a group consisting of 10-90 mole % of a first specific structural sub-unit and 90-10 mole % of a second particular structural sub-unit. A process for the production of the polyimide and a thermosetting resin composition comprising the polyimide and a particular polymaleimide are also disclosed.