Citation:
Jin Chen, Zhi-yong Huang. ELASTIC BEHAVIOR OF COMB-LIKE POLYMER CHAINS[J]. Chinese Journal of Polymer Science,
2010, 28(3): 311-322.
doi:
10.1007/s10118-010-9006-0
ELASTIC BEHAVIOR OF COMB-LIKE POLYMER CHAINS
摘要:
Three-dimensional Monte Carlo simulations of comb-like polymer chains with various backbone lengths Nb, arm lengths Na and arm densities m are carried out to study the elastic behavior of comb-like polymer chains. The radius of gyration, the shape factors and bond length in different cases during elastic process are calculated, and it is found that the comb-like polymer molecules with longer backbone or shorter arm are more close to linear chains. But the arm density m affects the chain conformation non-monotonously. Some thermodynamic properties are also studied. Average Helmholtz free energy and elastic force f all increase with elongation ratio #61548; for all chains.
English
ELASTIC BEHAVIOR OF COMB-LIKE POLYMER CHAINS
Abstract:
Three-dimensional Monte Carlo simulations of comb-like polymer chains with various backbone lengths Nb, arm lengths Na and arm densities m are carried out to study the elastic behavior of comb-like polymer chains. The radius of gyration, the shape factors and bond length in different cases during elastic process are calculated, and it is found that the comb-like polymer molecules with longer backbone or shorter arm are more close to linear chains. But the arm density m affects the chain conformation non-monotonously. Some thermodynamic properties are also studied. Average Helmholtz free energy and elastic force f all increase with elongation ratio #61548; for all chains.
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