杂环羧酸锌类配合物催化二氧化碳与环氧化合物的三元共聚反应  

Terpolymerization of Carbon Dioxide and Epoxides Catalyzed by Zinc Complexes of Heterocyclic Carboxylic Acids

作　　者：秦刚[1,2] 张瑞[1] 万幸[1] 曹少魁[1] 

机构地区：[1]郑州大学材料科学与工程学院,郑州450052 [2]河南理工大学材料科学与工程学院,焦作454001

出　　处：《高分子通报》2010年第4期88-93,共6页Polymer Bulletin

摘　　要：以2-呋喃甲酸锌(FCA-Zn)、2-噻吩甲酸锌(TCA-Zn)和2-吡啶甲酸锌(PCA-Zn)三种杂环羧酸锌为催化剂,以环氧丙烷(PO)、马来酸酐(MA)和丁内酯(GBL)为第三单体,催化CO2和氧化环己烯(CHO)三元共聚反应,得到脂肪族聚碳酸酯。采用1H-NMR和FT-IR表征了聚合物结构,用GPC测定了聚合物的分子量。所采用催化剂均对三元共聚反应有一定的催化活性,第三单体参与了聚合反应,实现了二氧化碳的三元共聚。Chemical fixation of carbon dioxide is a very attractive subject not only from the viewpoint of carbon resource utilization,but also from the increasing environmental concerns.Aliphatic polycarbonate was successfully synthesized by the terpolymerization of carbon dioxide with cyclohexene oxide（CHO） and a third monomer including γ-butyrolactone（GBL）,maleic anhydride（MA） and propylene oxide（PO）.The catalytic behavior of some heterocyclic carboxylic acid zinc complexes,such as 2-furancarboxylic acid zinc（FCA-Zn）,2-thiophenecarboxylic acid zinc（TCA-Zn） and 2-pyridinecarboxylic acid zinc（PCA-Zn）,for the terpolymerization was evaluated.The terpolymers were characterized by FT-IR and ~1H-NMR, which showed that the ring of the third monomers has been opened and involved into the polymer chain formation.

关 键 词：二氧化碳 环氧化物 杂环羧酸锌 脂肪族聚碳酸酯 三元共聚 

分 类 号：O631.5[理学—高分子化学]