Macromolecular Theory and Simulations
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Best of Macromolecular Journals
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Recently Published Articles
- Parameter Estimation for an Inverse Nonlinear Stochastic Problem: Reactivity Ratio Studies in Copolymerization
Yuncheng Du, Hector Budman and Thomas Duever
Version of Record online: 1 MAR 2017 | DOI: 10.1002/mats.201600095
Inverse problem is to estimate parameters from observed data through mathematical models. It is necessary to account for uncertainty resulting from variables of models and measurement noise to improve the accuracy of parameter estimation. An estimation methodology based on a generalized polynomial chaos and a maximum likelihood function to account for such uncertainty is presented.
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- Hyperbranched Polymers Formed through Irreversible Step Polymerization of AB2-Type Monomer in a Continuous Flow Stirred-Tank Reactor (CSTR)
Version of Record online: 5 JAN 2017 | DOI: 10.1002/mats.201600078
Irreversible step polymerization of AB2 monomer in a continuous flow stirred-tank reactor leads to produce hyperbranched polymers with larger degree of branching (DB) for large polymers, compared with batch polymerization. The 3D structure of large polymer is much more compact than the polymers synthesized in batch polymerization, even more compact than those with DB = 1 produced in batch polymerization.
- Heterogeneities in Polymer Structural and Dynamic Properties in Graphene and Graphene Oxide Nanocomposites: Molecular Dynamics Simulations
Majid Azimi, Seyed Sajad Mirjavadi, Abdel Magid Salem Hamouda and Hesam Makki
Version of Record online: 3 JAN 2017 | DOI: 10.1002/mats.201600086
The effect of graphene and graphene oxide on the structural and dynamic properties of poly(propylene) and poly(vinyl alcohol), are studied by means of molecular dynamics simulations. Strong heterogeneities in polymer properties are found such that chains are more oriented and exhibit slower dynamics close to nano-fillers. Energetic analysis proves different roots for heterogeneity in structural and dynamic properties.
- Network Formation and Mechanical Properties of Telechelic Associating Polymers with Fixed Junction Multiplicity
Hiroto Ozaki and Tsuyoshi Koga
Version of Record online: 25 NOV 2016 | DOI: 10.1002/mats.201600076
A statistical–mechanical theory of thermoreversible gelation which is formed by monodisperse telechelic associating polymers with junction multiplicity of three is developed. In the present theory, the effect of loop formation is considered. Using a Monte Carlo simulation, the theoretical results are confirmed. Furthermore, the theoretical results agree well with the experimentally obtained shear modulus.