Macromolecular Reaction Engineering

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Recently Published Articles

  1. Modeling of the ATRcoP Processes of Methyl Methacrylate and 2-(Trimethylsilyl) Ethyl Methacrylate in Continuous Reactors: From CSTR to PFR

    Wei Wang, Yin-Ning Zhou and Zheng-Hong Luo

    Article first published online: 26 FEB 2015 | DOI: 10.1002/mren.201400056

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    A tubular reactor model was developed to describe the ATRcoP of methyl methacrylate (MMA) and 2-(trimethylsilyl) ethyl methacrylate (HEMA-TMS) under different axial dispersions. The main ATRcoP behaviors and polymer micro-characteristics were obtained. Finally, the effects of flow patterns (including the CSTR and PFR modes) in different reactors on the ATRcoP characteristics were investigated using the model.

  2. Copolymerization of Limonene with n-Butyl Acrylate

    Shanshan Ren, Esther Trevino and Marc A. Dubé

    Article first published online: 24 FEB 2015 | DOI: 10.1002/mren.201400068

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    d-limonene, a renewable monoterpene derived from citrus fruit peels, is investigated to be used in polymer formulations. The copolymerization of d-limonene/n-butyl acrylate is evaluated by estimating the reactivity ratios and examining the composition drift with conversion. The incorporation of d-limonene into copolymer involves two routes: the normal propagation mechanism and a degradative chain transfer mechanism.

  3. D-Optimality in Model-Based Experimental Designs: Applications in NMRP of Styrene

    Alison J. Scott, Mark D. Hazlett, Eduardo Vivaldo-Lima and Alexander Penlidis

    Article first published online: 19 FEB 2015 | DOI: 10.1002/mren.201400060

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    Model-based D-optimal design of experiments is applied to the NMRP of styrene using three model levels: a fully mechanistic model, a refined mechanistic model, and a substantially reduced model. The D-optimal designs formulated using these models are compared to each other and are contrasted with additional optimality criteria (Bayesian design and anti-correlation criteria).

  4. Neodymium-Based Catalyst for the Coordination Polymerization of Butadiene: From Fundamental Research to Industrial Application

    Han Zhu, Ping Chen, Chang-Feng Yang and Yi-Xian Wu

    Article first published online: 19 FEB 2015 | DOI: 10.1002/mren.201400063

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    The neodymium-based catalyst system with high catalytic activity and stereoselectivity to butadiene polymerization was developed to produce polybutadiene with extremely high cis-1,4 configuration. The innovation technology has been achieved from fundamental research to industrial application.

  5. Comparison of RAFT Ab Initio Emulsion Polymerization of Methyl Methacrylate and Styrene Mediated by Oligo(methacrylic acid-b-methyl methacrylate) Trithiocarbonate Surfactant

    Yue Zhu, Shangyu Bi, Xiang Gao and Yingwu Luo

    Article first published online: 19 FEB 2015 | DOI: 10.1002/mren.201400058

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    MMA RAFT emulsion polymerization using oligo(MAA41-b-MMA8) RAFT as surfactant is conducted by comparison with the classical styrene systems. In MMA system, the coagulum-free latexes of high living polymers were achieved at 80 °C and low KPS concentrations, together with a broader final PDI than that in styrene system. The poorer polymerization performance of MMA RAFT emulsion polymerization is explained by the combination of the homogeneous nucleation mode of particles and the slow transportation rate of the oligomeric RAFT agent molecules from micelles to new-born particles.