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Volumetric behavior of athermal dendritic polymers: Monte Carlo simulation

Lue, L. (2000) Volumetric behavior of athermal dendritic polymers: Monte Carlo simulation. Macromolecules, 33 (6). pp. 2266-2272. ISSN 0024-9297

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We present results of Monte Carlo simulations for dilute to concentrated solutions of athermal, homogeneous dendritic polymers. The dendritic polymers are composed of tangent hard- spheres and vary from generation 0 to generation 5. These simulations investigate the effect of hyperbranching on the structure and thermodynamics of polymer solutions. At low concentrations, dendritic polymers systems have a lower pressure than linear polymers of the same molecular weight, owing to the more compact architecture of the dendrimer. In the concentrated polymer regime, solutions containing low- generation dendrimers behave similarly to linear polymers, while those containing high-generation dendrimers have a pressure that increases more rapidly with concentration.

Item type: Article
ID code: 27949
Notes: English Article 297GF MACROMOLECULES
Keywords: angle neutron-scattering, integral-equation theory, hard-sphere chains, molecular-dynamics, starburst dendrimers, pamam dendrimers, state, macromolecules, transition, viscosity, Physical and theoretical chemistry, Materials Chemistry, Organic Chemistry, Polymers and Plastics, Inorganic Chemistry
Subjects: Science > Chemistry > Physical and theoretical chemistry
Department: Faculty of Engineering > Chemical and Process Engineering
Depositing user: Dr Leo Lue
Date Deposited: 26 Oct 2010 15:13
Last modified: 21 May 2015 12:17

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