To provide a method for producing poly(diacylhydrazine) in which a monomer which is easily measured may be used without any problem such as a toxicological problem or explodability and a polymer with a high degree of polymerization may be produced at a high yield using a single monomer; and to provide a novel poly(diacyl hydrazine) having various physical properties. 毒性、爆発性等の問題がなく計量が容易なモノマーを使用でき、単一のモノマーを用いて高収率で重合度の高いポリマーを製造可能である、ポリ(ジアシルヒドラジン)の製造方法を提供すること、及び、種々の物性を有する新規なポリ(ジアシルヒドラジン)を提供すること。 - 特許庁