Comparison among Slip-Link Simulations of Bidisperse Linear Polymer Melts Export

@article{masubuchi08, abstract = {Abstract: Recent simulations of entangled polymer dynamics are based on slip-link models pioneered by Hua and Schieber (J. Chem. Phys. 1998, 109, 10018). In this study, we compare different slip-link models in their prediction of the linear viscoelasticity of bidisperse linear polymers to examine how effectively such models account for constraint release. We compare the DT model by Doi and Takimoto (Philos. Trans. R. Soc. London, Ser. A 2003, 361, 641), the NS model by Nair and Schieber (Macromolecules 2006, 39, 3386), and the primitive chain network (PCN) model by Masubuchi et al. (J. Chem. Phys. 2001, 115, 4387). It is found that DT and PCN models are in better quantitative agreement with literature data than is the NS model. This indicates that renewal of entanglements along the chain due to constraint release, explicitly accounted for in DT and PCN, is not equivalent to spatial fluctuations of slip-links, as included in the NS mean field approach.}, address = {Institute for Chemical Research, Kyoto University, Gokasyo, Uji, Kyoto 611-0011, Japan, Japan Science and Technology, Kyoto 611-0011, Japan, Dipartimento di Ingegneria Chimica, Universita� degli studi di Napoli Federico II, Piazzale Tecchio 80, 80125 Napoli, Italy, and Istituto di Ricerche sulla Combustione  CNR, Piazzale Tecchio 80, 80125 Napoli, Italy}, author = {Masubuchi, Yuichi and Watanabe, Hiroshi and Ianniruberto, Giovanni and Greco, Francesco and Marrucci, Giuseppe}, citeulike-article-id = {3388531}, citeulike-linkout-0 = {http://dx.doi.org/10.1021/ma800954q}, citeulike-linkout-1 = {http://pubs.acs.org/doi/abs/10.1021/ma800954q}, day = {8}, doi = {10.1021/ma800954q}, journal = {Macromolecules}, keywords = {binary, blend, comparison, linear, link, slip}, month = {October}, posted-at = {2009-06-15 19:27:12}, priority = {2}, title = {Comparison among Slip-Link Simulations of Bidisperse Linear Polymer Melts}, url = {http://dx.doi.org/10.1021/ma800954q}, year = {2008} }

TY - JOUR ID - masubuchi08 L3 - citeulike-article-id:3388531 N2 - Abstract: Recent simulations of entangled polymer dynamics are based on slip-link models pioneered by Hua and Schieber (J. Chem. Phys. 1998, 109, 10018). In this study, we compare different slip-link models in their prediction of the linear viscoelasticity of bidisperse linear polymers to examine how effectively such models account for constraint release. We compare the DT model by Doi and Takimoto (Philos. Trans. R. Soc. London, Ser. A 2003, 361, 641), the NS model by Nair and Schieber (Macromolecules 2006, 39, 3386), and the primitive chain network (PCN) model by Masubuchi et al. (J. Chem. Phys. 2001, 115, 4387). It is found that DT and PCN models are in better quantitative agreement with literature data than is the NS model. This indicates that renewal of entanglements along the chain due to constraint release, explicitly accounted for in DT and PCN, is not equivalent to spatial fluctuations of slip-links, as included in the NS mean field approach. JF - Macromolecules AD - Institute for Chemical Research, Kyoto University, Gokasyo, Uji, Kyoto 611-0011, Japan, Japan Science and Technology, Kyoto 611-0011, Japan, Dipartimento di Ingegneria Chimica, Universita� degli studi di Napoli Federico II, Piazzale Tecchio 80, 80125 Napoli, Italy, and Istituto di Ricerche sulla Combustione  CNR, Piazzale Tecchio 80, 80125 Napoli, Italy TI - Comparison among Slip-Link Simulations of Bidisperse Linear Polymer Melts KW - binary KW - blend KW - comparison KW - linear KW - link KW - slip AU - Masubuchi, Yuichi AU - Watanabe, Hiroshi AU - Ianniruberto, Giovanni AU - Greco, Francesco AU - Marrucci, Giuseppe PY - 2008/10/08/ UR - http://dx.doi.org/10.1021/ma800954q ER -