Macromolecular Chemistry and Physics

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Recently Published Articles

  1. Quantitatively Probing Cross-Termination in RAFT Polymerization by an Externally Applied Magnetic Field

    Ling Lv, Jian Zhou, Gang Zou and Qijin Zhang

    Article first published online: 27 JAN 2015 | DOI: 10.1002/macp.201400531

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    Bulk reversible addition-fragmentation chain transfer polymerizations (RAFTPs) of styrene (St) are performed, mediated by (2-cyano-2-propyl)dithiobenzoate (CPDB) and S-1-dodecyl-S-(α, α′-dimethyl-α′′-acetic acid)trithiocarbonate (DDMAT) under different magnetic field strengths. A quantitative parameter RM is proposed to evaluate the polymerization rate retardation due to cross-termination. Calculated RM values for CPDB- and DDMAT-mediated bulk RAFTP of St demonstrate an efficient way to probe cross-termination in situ.

  2. Supramolecular Assembly-Assisted Synthesis of Responsive Polymeric Materials with Controlled Chain Topologies

    Jinming Hu and Shiyong Liu

    Article first published online: 26 JAN 2015 | DOI: 10.1002/macp.201400578

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    Recent advances concerning the fabrication of stimuli-responsive polymeric materials under the assistance of supramolecular self-assembly are summarized. The templated synthesis of linear (multiblock) copolymers, non-linear shaped copolymers, as well as crosslinked nanostructures on the basis of supramolecular assemblies is discussed.

  3. In Vitro Platelet Adhesion of PNaAMPS/PAAm and PNaAMPS/PDMAAm Double-Network Hydrogels

    Wen Jiang Zheng, Zhen Qi Liu, Feng Xu, Jie Gao, Yong Mei Chen, Jian Ping Gong and Yoshihito Osada

    Article first published online: 23 JAN 2015 | DOI: 10.1002/macp.201400481

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    Human platelet adhesion on the surface of double-network (DN) hydrogels is investigated under static conditions in vitro. The numbers of adherent platelet on poly (sodium 2-acrylamido-2-methyl-propanesulfonate) (PNaAMPS)/poly acry­lamide (PAAm) and PNaAMPS/poly (N,N'-dimethylacrylamide) (PDMAAm) hydro­gels are far less than that on the polyethylene terephthalate (PET) and the negatively charged PNaAMPS hydrogels. The platelet adhesion is affected by the chemical component, zeta potential, and serum proteins adsorption of the hydrogel.

  4. Synthesis, Photophysical, and Morphological Properties of Azomethine-Persylilated α-Cyclodextrin Main-Chain Polyrotaxane

    Aurica Farcas, Ana-Maria Resmerita, Pierre-Henri Aubert, Indrajit Ghosh, Sophie Cantin and Werner M. Nau

    Article first published online: 23 JAN 2015 | DOI: 10.1002/macp.201400543

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    Host–guest complexation of azomethine backbones into TMS-αCD cavities leads to improvement of the solubility and better film-forming ability associated with a smoother surface and lower root-mean-square roughness.

  5. Tunable Morphology and Hydrophobicity of Polyfluoroacrylate/Clay Nanocomposite Prepared by In Situ RAFT Polymerization in Miniemulsion

    Arindam Chakrabarty and Nikhil K Singha

    Article first published online: 22 JAN 2015 | DOI: 10.1002/macp.201400499

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    Nanoclay is armored on poly (2,2,3,3,4,4,4-heptafluoro butyl acrylate) (PHFBA) particles, with 2-acryloxy ethyl trimethyl ammonium chloride (AETAC) used as comonomer. The nanocomposite armored with nanoclay show very high water contact angle of 128.1° compared to the nanocomposite, where nanoclay is encapsulated in presence of poly(ethylene glycol) methyl ether methacrylate (PEGMEMA) as comonomer.