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1,918 Newest Publications in macromolecular chemistry and physics

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Large Enhancement in Conductivity of Polyaniline Films by Cold Stretching

17-May-2010 | Xiao, Hong‐Mei; Zhang, Wei‐Dong; Lv, Chen; Fu, Shao‐Yun; Wan, Mei‐Xiang; Mai, Yiu‐ ..., Macromolecular Chemistry and Physics, 2010

The hot-stretching method has been well accepted for enhancing the electrical conductivity of conducting polymer films. High temperature is the prerequisite to soften the polymer to highly align and elongate the polymeric molecular chains. In this study, the cold-stretching method is proposed for ...

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Synthesis of a pH‐Sensitive PEO‐Based Block Copolymer and its Application for the Stabilization of Iron Oxide Nanoparticles

17-May-2010 | Kim, Keunsuk; Kim, Tae Hwan; Choi, Jin Hee; Lee, Jae Yeol; Hah, Sang Soo; Yoo, Hyun‐Oh; Hwang, Seung Sang; Ry ..., Macromolecular Chemistry and Physics, 2010

PEO-based amphiphilic block copolymers that exhibit a pH responsive phase transition behavior are synthesized. The amphiphilic block copolymers show sharp phase transitions in the physiological pH (7.2) range of aqueous media. The block copolymers were efficient stabilizers for the preparation of ...

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Polymeric Squaraine Dyes as Electron Donors in Bulk Heterojunction Solar Cells

17-May-2010 | Völker, Sebastian F.; Uemura, Shinobu; Limpinsel, Moritz; Mingebach, Markus; Deibel, Carsten; Dyakonov, Vladimi ..., Macromolecular Chemistry and Physics, 2010

A polysquaraine low-band-gap polymer was synthesized by Yamamoto coupling of a monomeric dibromoindolenine squaraine dye. The resulting polymer has [ap] 34 000 and PDI [ap] 1.7. The electronic properties of monomer and polymer were investigated by CV, absorption, and emission spectroscopy. Bulk ...

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Influence of the Doping Level on the Interactions between Poly(3,4‐ethylenedioxythiophene) and Plasmid DNA

17-May-2010 | Teixeira‐Dias, Bruno; Zanuy, David; del Valle, Luis J.; Estrany, Francesc; Armelin, Elaine; Alemán, Carlos, Macromolecular Chemistry and Physics, 2010

The influence of the doping level in the formation of specific interactions between plasmid DNA and PEDOT is investigated using experimental assays and theoretical calculations. Electrochemical methods are used to prepare polymer samples with oxidation degrees ranging from 0.14 to 1.05 positive ...

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Liquid Crystals: Viscous and Elastic Properties

17-May-2010 | White, Timothy J., Macromolecular Chemistry and Physics, 2010

No Abstract.

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Tailoring of Co-Continuous Polymer Blend Morphology: Joint Action of Nanoclays and Compatibilizers

11-May-2010 | Olivier Persenaire, Jean-Marie Raquez, Leïla Bonnaud, Philippe Dubois, Macromolecular Chemistry and Physics, 2010

The effect of both organoclay (Cloisite® 30B) and compatibilizers (EVA copolymer or MAgPE) on the morphology and mechanical properties is investigated with a special focus on co-continuous structures. For that purpose, LDPE and PBAT are selected as an inert/reactive polymer pair model. The ...

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Organostibine-Mediated Controlled/Living Radical Polymerization of Methyl Methacrylate and Styrene in Ionic Liquidsa

24-Mar-2010 | Guoyou Cui, Jun Li, Zhengping Liu, Junyan Dou, Macromolecular Chemistry and Physics, 2010

Organostibine-mediated controlled/living radical polymerization of MMA was successfully achieved in room temperature ionic liquids (RTILs) [bmim]Tf2N and [bmim]PF6. The ln([M]0/[M]) increased linearly with increasing reaction time. The number-average molecular weights of PMMA increased linearly ...

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Degradation of Poly(methyl methacrylate) Model Compounds Under Extreme Environmental Conditions

09-Mar-2010 | Francesca Bennet, Gene Hart-Smith, Till Gruendling, Thomas P. Davis, Philip J. Barker, Christopher Barner-Kowollik, Macromolecular Chemistry and Physics, 2010

There is a significant knowledge gap in the degradation of poly(methyl methacrylate) (pMMA) under conditions experienced by surface coatings in the harsh Australian environment. In the current study pMMA model compounds were exposed to 95 °C temperatures and high UV radiation (1 kW · m-2), ...

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