| 摘要 |
<p>The present invention provides a polyimide resin having high transparency, excellent heat resistance, and a low coefficient of linear thermal expansion, and pertains more specifically to a polyimide resin obtained by running an imidization polymerization reaction of bicyclo[4.2.0]octane-3,4,7,8-tetracarboxylic dianhydride, an aromatic diamine compound, and, as needed, an alicyclic diamine compound, the total of the diamine compounds being in the range of 90-110 in terms of molar ratio in relation to 100 of the tetracarboxylic dianhydride.</p> |
