Two series of thermotropic liquid crystalline polyureas were synthesized by the copolymerization of benzidine (or o-tolidine),1,6-hexane diamine and 2,4-toluene diisocyanate.
为合成新型热致聚脲,以基元的联二(联邻)、1,6-己二、2,4-二异氰酸酯为原料进行合成。
Two series of thermotropic liquid crystalline polyureas were synthesized by the copolymerization of benzidine (or o-tolidine),1,6-hexane diamine and 2,4-toluene diisocyanate.
为合成新型热致聚脲,以基元的联二(联邻)、1,6-己二、2,4-二异氰酸酯为原料进行合成。
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