Macromolecular Chemistry and Physics

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Recently Published Articles

  1. Synthesis of Telechelic and Three-Arm Polytetrahydrofuran-block-amylose

    Rachmawati Rachmawati, Hilde D. de Gier, Albert J. J. Woortman and Katja Loos

    Article first published online: 30 MAR 2015 | DOI: 10.1002/macp.201500018

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    Telechelic and three-arm polytetrahydrofuran-block-amylose can be synthesized by coupling telechelic and three-arm poly­tetrahydrofuran with maltoheptaose, followed by enzymatic polymerization to elongate the saccharide blocks. The covalently attached amylose in these block copolymers can form inclusion complexes with suitable guest molecules which leads to a facile approach in modifying block copolymers to result in highly ordered supramolecules.

  2. Surface Functionalization of Electrospun Poly(butylene terephthalate) Fibers by Surface-Initiated Radical Polymerization

    Yuji Higaki, Hirofumi Kabayama, Di Tao and Atsushi Takahara

    Article first published online: 26 MAR 2015 | DOI: 10.1002/macp.201500066

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    A facile surface modification procedure for electrospun poly(butylene terephthalate) (PBT) fibers by surface-initiated atom transfer radical polymerization (SI-ATRP) is reported. Initiators were introduced through aminolysis and chemical vapor adsorption. SI-ATRP was subsequently carried out to prepare a polymer-grafted layer at the PBT fiber surface without altering the fiber geometry.

  3. Solvent and Steric Hindrance Effects of Bulky Poly(9,9-diarylfluorene)s on Conformation, Gelation, Morphology, and Electroluminescence

    Bin Liu, Jinyi Lin, Zhenfeng Lei, Mingli Sun, Linghai Xie, Wei Xue, Chengrong Yin, Xinwen Zhang and Wei Huang

    Article first published online: 23 MAR 2015 | DOI: 10.1002/macp.201400568

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    The evolution from solution to film of bulky poly(9,9-diarylfluorene)s (PFs) is studied. The gelation behaviors that are demonstrated in 1,2-dichloroethane (DCE) solutions feature emission of 470 nm, and β-phase. Obvious solvent and steric hindrance effects happen in the morphology in annealing thin films and g-band in photoluminescence (PL) and electroluminescence (EL), demonstrating that the less solvent effects, the more stable the chain conformation and morphology.

  4. Nanostructures of Stereocomplex Polylactide in Poly(l-lactide) Doped with Poly(d-lactide)

    Wei Huang, Xian-Zi Luo, Bing-Jie Wang, Wen-Feng Wei, Peng Chen, Qun Gu, Sicco de Vos, Ru-Yin Wang and Cornelis A. P. Joziasse

    Article first published online: 23 MAR 2015 | DOI: 10.1002/macp.201500050

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    Nanostructures of predominantly stereocomplex polylactide (sc-PLA), including nanogranules and nanofibrils, are obtained during direct melt process of poly(l-lactide) doped with poly(d-lactide). The nanostructures take diverse, but well-defined, morphologies and substructures, as governed by thermal and flow conditions. This opens up a facile and scalable route toward either all-PLA nanocomposites or nanofibrils and membranes of sc-PLA.

  5. Scaling Law of the Disjoining Pressure Reveals 2D Structure of Polymeric Fluids

    Armando Gama Goicochea and Elías Pérez

    Article first published online: 20 MAR 2015 | DOI: 10.1002/macp.201400623

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    Polymers strongly confined by parallel surfaces are found to obey 2D scaling laws in their disjoining pressure and radius of gyration, using mesoscopic computer simulations. These scaling characteristics depend on solvent quality as well. Our predictions are in excellent agreement with results obtained for strictly 2D polymers, and can be tested in polymeric fluids using atomic force microscopy, for example.

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