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.
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- 为合成新型热致液晶聚脲,以含液晶基元的联苯二胺(或联邻甲苯胺)、1,6-己二胺、2,4-甲苯二异氰酸酯为原料进行合成。