Statistical and thermodynamic properties of binary self-condensing vinyl polymerization

查看全文 作　　者：GU [1]Fang;WANG [1,2,3]HaiJun;ZHAO [1]ZuoFei

机构地区：[1]College of Chemistry and Environment Science, Hebei University, Baoding 071002, China;[2]International Centre for Materials Physics, Chinese Academy of Sciences, Shenyang 110016, China;[3]Key Laboratory of Medicinal Chemistry and Molecular Diagnosis, Ministry of Education; Hebei University, Baoding 071002, China

出　　处：《Science China Chemistry》索引2011年第54卷第3期,共8页

基　　金：supported by the National Natural Science Foundation of China (20873035) 摘　　要：The thermodynamic properties of a binary self-condensing vinyl polymerization system consisting of monomers and inimers are investigated by the principle of statistical mechanics.In detail,in terms of two types of canonical partition functions constructed from different viewpoints,the equilibrium free energy,the law of mass action and the size distribution of hyperbranched polymers are obtained.As an application,the specific heat,equation of state and isothermal compressibility concerning the polymerization are given as well.To study the dimension of hyperbranched polymers in the system,a recursion formula satisfied by the(k+1)-th and k-th mean square radius of gyration is derived,and then the first,second and third radius of gyration under different solvent conditions are presented.The influences of the fraction of inimers,the conversion of vinyl groups and the solvent effect on the average dimension of hyperbranched polymers are discussed. 关键词：自缩合乙烯基聚合热力学性质二元统计超支化聚合物均方回转半径平均尺寸溶剂效应

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Statistical and thermodynamic properties of binary self-condensing vinyl polymerization

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