Macromolecular Rapid Communications

Cover image for Vol. 32 Issue 13

July 1, 2011

Volume 32, Issue 13

Pages 939–1019

  1. Cover Picture

    1. Top of page
    2. Cover Picture
    3. Back Cover
    4. Contents
    5. Feature Article
    6. Communications
    1. Macromol. Rapid Commun. 13/2011

      Ashlee A. Jahnke and Dwight S. Seferos

      Article first published online: 24 JUN 2011 | DOI: 10.1002/marc.201190030

      Thumbnail image of graphical abstract

      Front Cover: The cover picture shows a cartoon of poly(bitellurophene-alt-9,9′-dihexylfluorene) before and after the addition of bromine. The optoelectronic properties of this polymer can be reversibly controlled by coordination with bromine at the polymers tellurium centers. Further details can be found in the article by A. A. Jahnke and D. S. Seferos*on page 943.

  2. Back Cover

    1. Top of page
    2. Cover Picture
    3. Back Cover
    4. Contents
    5. Feature Article
    6. Communications
    1. Macromol. Rapid Commun. 13/2011

      Maria Celeste R. Tria and Rigoberto C. Advincula

      Article first published online: 24 JUN 2011 | DOI: 10.1002/marc.201190031

      Thumbnail image of graphical abstract

      Back Cover: Electropatterning of macroinitiators can lead to dual patterned polymer brushes. This was done by electrodeposition of a RAFT initiator on patterned electrodes followed by backfilling with an ATRP initiator. Polymer brushes were then grown sequentially of different types. Applications include MEMS, microfluidics, sensors, and smart coatings. Further information can be found in the communication by M. C. R. Tria and R. C. Advincula*on page 966.

  3. Contents

    1. Top of page
    2. Cover Picture
    3. Back Cover
    4. Contents
    5. Feature Article
    6. Communications
    1. Macromol. Rapid Commun. 13/2011 (pages 939–942)

      Article first published online: 24 JUN 2011 | DOI: 10.1002/marc.201190029

  4. Feature Article

    1. Top of page
    2. Cover Picture
    3. Back Cover
    4. Contents
    5. Feature Article
    6. Communications
    1. Polytellurophenes (pages 943–951)

      Ashlee A. Jahnke and Dwight S. Seferos

      Article first published online: 29 APR 2011 | DOI: 10.1002/marc.201100151

      Thumbnail image of graphical abstract

      Will polytellurophenes bridge the gap between polymeric and solid-state thin-film semiconductors? We chronicle the synthetic methodologies that have been used to prepare polytellurophenes and describe what is known about their properties. Although still in the early stages of development, we outline some key challenges that will need to be addressed as the research community begins answer this question.

  5. Communications

    1. Top of page
    2. Cover Picture
    3. Back Cover
    4. Contents
    5. Feature Article
    6. Communications
    1. Polymer Brushes Showing Non-Fouling in Blood Plasma Challenge the Currently Accepted Design of Protein Resistant Surfaces (pages 952–957)

      Cesar Rodriguez-Emmenegger, Eduard Brynda, Tomas Riedel, Milan Houska, Vladimir Šubr, Aldo Bologna Alles, Erol Hasan, Julien E. Gautrot and Wilhelm T. S. Huck

      Article first published online: 3 JUN 2011 | DOI: 10.1002/marc.201100189

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      Ultra-low-fouling biofunctionalizable poly‘ N-(2-hydroxypropyl) methacrylamide’ brushes are prepared for the first time. Similarly to the so far only ultra-low-fouling surface, poly(carboxybetaine acrylamide), they resisted the fouling from blood plasma, challenging the currently accepted views for the design of non-fouling surfaces. The antifouling properties of poly-‘N-(2-hydroxypropyl) methacrylamide’ are maintained after 24 months of storage.

    2. Low Temperature Aqueous Living/Controlled (RAFT) Polymerization of Carboxybetaine Methacrylamide up to High Molecular Weights (pages 958–965)

      Cesar Rodriguez-Emmenegger, Bernhard V. K. J. Schmidt, Zdenka Sedlakova, Vladimir Šubr, Aldo Bologna Alles, Eduard Brynda and Christopher Barner-Kowollik

      Article first published online: 3 JUN 2011 | DOI: 10.1002/marc.201100176

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      The first living/controlled polymerization of a carboxybetaine monomer is presented. Aqueous RAFT polymerization of carboxybetaine methacrylamide at 70 or 37°C affords high molecular weight polymers (up to 250000 g·mol−1) with low PDI in less than 6h. Block copolymers with the bio-relevant poly(2-hydroxypropyl methacrylamide) are additionally prepared.

    3. Electropatterning of Binary Polymer Brushes by Surface-initiated RAFT and ATRP (pages 966–971)

      Maria Celeste R. Tria and Rigoberto C. Advincula

      Article first published online: 3 MAY 2011 | DOI: 10.1002/marc.201100050

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      Patterned binary polymeric materials on surfaces are of interest for attaching unique chemical functionalities and properties on selected regions of the surface. The fabrication of patterned binary brushes on ITO–glass substrate via electrodeposition and living radical polymerization techniques is demonstrated. The patterned polymers are visually characterized via AFM and optical microscopy and are chemically-mapped by FT-IR imaging.

    4. Optically Triggered Dissociation of Kinetically Stabilized Block Copolymer Vesicles in Aqueous Solution (pages 972–976)

      Bin Yan, Jie He, Patrick Ayotte and Yue Zhao

      Article first published online: 25 MAY 2011 | DOI: 10.1002/marc.201100118

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      Dissociation of kinetically stabilized block copolymer vesicles in aqueous solution occurs as a result of a cascade of events triggered by UV-induced isomerization inside the vesicle membrane converting a number of neutral spiropyran groups to charged merocyanine moieties.

    5. Amphiphilic Diblock Copolymer with Dithienylethene Pendants: Synthesis and Photo-Modulated Self-Assembly (pages 977–982)

      Zhen Chen, Yaning He, Yang Wang and Xiaogong Wang

      Article first published online: 13 MAY 2011 | DOI: 10.1002/marc.201100142

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      A novel amphiphilic diblock copolymer with photochromic dithienylethene (DTE) pendants, PEG43-b-PSDTE29, has been synthesized by reversible addition fragmentation chain transfer polymerization. The mass ratio between hydrophilic and hydrophobic chains of the diblock copolymer is about 1/9. The self-assembly behavior of this DTE-based amphiphilic diblock copolymer in selected solvents can be photo-modulated.

    6. The β Phase Formation Limit in Two Poly(9,9-di-n-octylfluorene) based Copolymers (pages 983–987)

      Daniel W. Bright, Kathryn C. Moss, Kiran T. Kamtekar, Martin R. Bryce and Andrew P. Monkman

      Article first published online: 19 MAY 2011 | DOI: 10.1002/marc.201100221

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      β Phase is shown to form in thin films of PF8 copolymers up to a limit of 20% dibenzothiophene or 15% dibenzothiophene-S,S-dioxide as co-monomer, as currently used for research into charge-transfer polymers for white light devices.

    7. Crystalline Complex of Syndiotactic Polystyrene with Poly(ethylene Glycol) Dimethyl Ethers (pages 988–993)

      Fumitoshi Kaneko and Keita Sasaki

      Article first published online: 19 MAY 2011 | DOI: 10.1002/marc.201100136

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      Poly(ethylene glycol) (PEG) oligomers with methyl end groups, whose molecular weights range from 178 to 1000 g·mol−1, are incorporated into the crystalline region of syndiotactic polystyrene (sPS) as guests through a guest exchange procedure assisted with a plasticizing agent. It is suggested that the PEG oligomer with average molecular weight of 1000 g·mol−1 occupies two or more cages of the sPS complex lattice.

    8. Phantom Ring-Closing Condensation Polymerization: Towards Antibacterial Oligoguanidines (pages 994–999)

      Claudia Mattheis, Martin C. Schwarzer, Gernot Frenking and Seema Agarwal

      Article first published online: 13 MAY 2011 | DOI: 10.1002/marc.201100123

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      Phantom ring-closing condensation polymerization has given new oligoguanidines with a ring structure as proved by spectroscopy and quantum chemical calculations. They are promising candidates as fast antibacterial materials.

    9. Controlled Dispersion of Silver Nanoparticles into the Bulk of Thermosensitive Polymer Microspheres: Tunable Plasmonic Coupling by Temperature Detected by Surface Enhanced Raman Scattering (pages 1000–1006)

      Peng-Gang Yin, Ying Chen, Li Jiang, Ting-Ting You, Xian-Yong Lu, Lin Guo and Shihe Yang

      Article first published online: 20 MAY 2011 | DOI: 10.1002/marc.201100143

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      A 3D polymer-supported network ((P(NIPAM-co-MAA)) of silver nanoparticles is synthesized and SERS activity of the silver nanoparticle network embedded in the microsphere can be well controlled by thermal-induced variation of special separation. When the temperature is above 32°C, the spatial separation of the silver nanoparticles decreases and an increase in the numbers of Ag nanoparticles is measured as a result of the shrinkage of the P(NIPAM-co-MAA) chains.

    10. Polyglycidol Based Amphiphilic Double-Comb Copolymers and Their Self-Association in Aqueous Solution (pages 1007–1013)

      Firat Ozdemir, Helmut Keul, Ahmed Mourran and Martin Moeller

      Article first published online: 25 MAY 2011 | DOI: 10.1002/marc.201100175

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      Well-defined amphiphilic double-comb copolymers are prepared via a “grafting-onto” strategy from multifunctional polyglycidols. Their ability to self-assemble in water makes them promising candidates for novel multilayer polymersomes.

    11. Controllable Optical, Electrical, and Morphologic Properties of 3,4-Ethylenedioxythiophene Based Electrocopolymerization Films (pages 1014–1019)

      Cheng Gu, He Liu, Dehua Hu, Wensi Zhang, Ying Lv, Ping Lu, Dan Lu and Yuguang Ma

      Article first published online: 3 JUN 2011 | DOI: 10.1002/marc.201100194

      Thumbnail image of graphical abstract

      EDOT based ECP films which are neutral and colorless is reported. The ECP films exhibit the conductivity of 0.2–0.5S·cm−1, WF of 4.79–5.20eV, and RMS roughness of 3.51–5.26nm. The OLEDs where ECP films as HTL Exhibit 20–30% improvements than those prepared with PEDOT:PSS, and the ECP films are more benefit for the stability of neighboring layers.

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