Reaction dynamics and statistical theory for the growth of hydrogen bonding clusters  

作　　者：王海军 巴信武 赵敏 

出　　处：《Science China Chemistry》2002年第2期113-121,共9页中国科学（化学英文版）

基　　金：This work was supported by the National Natural Science Foundation of China (Grant No. 20174008); Natural Science Foundation of Hebei Province (Grant Nos. 201072 and 298126) ; Ph. D Fund of Hebei Province.

摘　　要：The similarities between the formation of hydrogen bonds and polycondensation reactions are stated from the statistical viewpoint, and then taking the hydrogen bonding system of AaDd type as an example, the growing process of hydrogen bonding clusters is investigated in terms of the theory of reaction dynamics and statistical theory for polymeric reactions. The two methods lead to the same conclusions, stating that the statistical theory for polymerization is applicable to the hydrogen bonding systems. Based on this consideration, the explicit relationship between the conversions of proton-donors and proton-acceptors and the Gibbs free energy of the system under study is given. Furthermore, the sol-gel phase transition is predicted to take place in some hydrogen bonding systems, and the corresponding generalized scaling laws describing this kind of phase transition are obtained.The similarities between the formation of hydrogen bonds and polycondensation reactions are stated from the statistical viewpoint, and then taking the hydrogen bonding system of A a D d type as an example, the growing process of hydrogen bonding clusters is investigated in terms of the theory of reaction dynamics and statistical theory for polymeric reactions. The two methods lead to the same conclusions, stating that the statistical theory for polymerization is applicable to the hydrogen bonding systems. Based on this consideration, the explicit relationship between the conversions of proton-donors and proton-acceptors and the Gibbs free energy of the system under study is given. Furthermore, the sol-gel phase transition is predicted to take place in some hydrogen bonding systems, and the corresponding generalized scaling laws describing this kind of phase transition are obtained.

关 键 词：hydrogen BONDING cluster  reaction dynamics  SOL-GEL phase transition  SCALING law. 

分 类 号：O641[理学—物理化学]