Abstract
Three-dimensional Monte Carlo simulations of comb-like polymer chains with various backbone lengths N b, arm lengths N a 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 λ for all chains.
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The work was financially supported by the National Natural Science Foundation of China (No. 20704033).
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Chen, J., Huang, Zy. Elastic behavior of comb-like polymer chains. Chin J Polym Sci 28, 311–322 (2010). https://doi.org/10.1007/s10118-010-9006-0
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DOI: https://doi.org/10.1007/s10118-010-9006-0