導電 どうでん せい こう分子 ぶんしではありませんでした
dō denseikōbunshidewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 導電性高分子

1. Was not a conductive polymer.; Was not a highly conductive polymer.

Past/Perfective
Negative
Polite
Formal Register