采用1,4-丁二醇-三氟化硼乙醚（BDO/BTFE）体系通过阳离子开环聚合合成了3,3-二溴甲基氧丁环/环氧氯丙烷（BBMO/ECH）无规共聚物,再通过叠氮化反应,得到3,3-二叠氮甲基氧丁环/叠氮缩水甘油醚（BAMO/GAP）无规共聚物。通过反应条件优化,确定了阳离子开环反应的最佳条件是n（BTFE）∶n（BDO）=1∶2,反应温度15℃。通过红外光谱（FT-IR）,核磁共振（13^C-NMR）,凝胶渗透色谱（GPC）和差示扫描量热（DSC）对其进行了表征。BAMO/GAP无规共聚物的-Mn=1750,分子量分布1.12,齐聚物含量约为22%;DSC结果证明,其玻璃化转变为-57.68℃,无结晶性。
3,3-bis（bromomethyl）oxetane-r-glycidyl azide copolymer was synthesized by cationic copolymerization,using butane-1,4-diol and boron trifluoride etherate as the initiator and catalyst,followed by the azidition of the halogenated copolymer.n（BF3-dimethyl ether complex）/n（1,4-butylene glycol）（n（BTFE）/n（BDO））=1∶2,15 ℃ was chosen as better experimental condition for the cationic copolymerization.FT-IR,13^C-NMR,GPC and DSC were used to characterize the copolymer.The results show that n of the copolymer is 1750 and the molecular weight distribution is 1.12.The content of the oligomers is about 22 percents by weight.DSC shows that Tg of the product is-57.68 ℃,and the crystallization of 3,3-bis（azidomethyl）oxetane（PBAMO） was disturbed by the addition of glycidyl azide polymer（GAP）.
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