By Hisaya TANI, Ken MURAYAMA and Fumio TODA (Received December 7, 1963) In previous papers2, 3) the oxidative polymerization of conjugated diethynyl compounds to produce conjugated linear polymers containing triple bonds has been reported. The present paper deals with the oxidative polymerization of non-conjugated diethynyl compounds, α, ω- bis (4-ethynylphenoxy) alkanes (II: R= H) and α, ω-bis (4-ethynyl-2-methyl 一 phenoxy) ...