以高聚物负载型双金属阴离子配位化合物PBM为催化剂,通过二氧化碳(CO2),1,2-环氧丁烷(BO)与ε-己内酯(CL)的三元开环共聚合反应,得到新型脂肪族聚碳酸酯(PBCL).对PBCL进行了FT-IR、1H-NMR、13C-NMR、DSC和WAXD等表征.并研究了反应温度对PBCL性能的影响.研究表明,当反应温度在60 ℃～70 ℃之间时,共聚物为无定型结构,特性粘数[η]和粘均分子量(v)随着反应温度的升高而升高;当反应温度升高至80 ℃～90 ℃时,PBCL出现部分结晶,随着反应温度的升高,[η]和v下降,CL的摩尔分数(fCL)增大,共聚物的结晶度增大,且玻璃化温度(Tg)下降,熔点(Tm)升高.
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