- Effect of Structural Inhomogeneity on Mechanical Behavior of Injection Molded Polypropylene Investigated with Microbeam X-ray Scattering
[作者:Shinohara, Y; Yamazoe, K; Sakurai, T; Kimata, S; Maruyama, T; Amemiya, Y,期刊:Macromolecules, 页码:1398-1407 , 文章类型: Article,,卷期:2012年45-3]
- Relationship between the structure of injection-molded isotactic polypropylene and its tensile mechanical properties, necking and fracture behaviors in particular, was investigated in terms of micrometer-scale structural...
- Protracted Crossover to Reptation Dynamics: A Field Cycling H-1 NMR Study Including Extremely Low Frequencies
[作者:Herrmann, A; Kresse, B; Gmeiner, J; Privalov, AF; Kruk, D; Fujara, F; Rossler, EA,期刊:Macromolecules, 页码:1408-1416 , 文章类型: Article,,卷期:2012年45-3]
- The segmental dynamics of 1,4-polybutadiene is investigated by means of electronic field cycling H-1 NMR. The frequency dependence (dispersion) of the spin-lattice relaxation time is probed over a broad range of temperat...
- Synthesis and Characterization of Brush-Shaped Hybrid Inorganic/Organic Polymers Based on Polyphosphazenes
[作者:Liu, X; Tian, ZC; Chen, C; Allcock, HR,期刊:Macromolecules, 页码:1417-1426 , 文章类型: Article,,卷期:2012年45-3]
- A series of densely grafted star- and comb-shaped molecular brushes composed of polystyrene, poly(tertbutyl acrylate), and poly(N-iscopropylacrylamide) were prepared by atom transfer radical polymerization (ATRP) using e...
- Morphology Evolution of PS-b-P2VP Diblock Copolymers via Supramolecular Assembly of Hydroxylated Gold Nanoparticles
[作者:Jang, SG; Khan, A; Hawker, CJ; Kramer, EJ,期刊:Macromolecules, 页码:1553-1561 , 文章类型: Article,,卷期:2012年45-3]
- We report on the strong segregation of core shell Au nanoparticles, with a shell layer consisting of a random copolymer brush of styrene and vinylphenol (PS-r-PVPh-SH), in poly(styrene-b-2-vinylpyridine) (PS-b-P2VP) dibl...
- Cross-Linked Benzoxazine-Benzimidazole Copolymer Electrolyte Membranes for Fuel Cells at Elevated Temperature
[作者:Kim, SK; Choi, SW; Jeon, WS; Park, JO; Ko, T; Chang, H; Lee, JC,期刊:Macromolecules, 页码:1438-1446 , 文章类型: Article,,卷期:2012年45-3]
- Here we report new H3PO4-doped cross-linked benzoxazine-benzimidazole copolymer membranes showing high proton conductivity and long-term durability for use in proton-exchange membrane fuel cells at elevated temperatures ...
- Fully Aromatic Ionomers with Precisely Sequenced Sulfonated Moieties for Enhanced Proton Conductivity
[作者:Li, XF; Paoloni, FPV; Weiber, EA; Jiang, ZH; Jannasch, P,期刊:Macromolecules, 页码:1447-1459 , 文章类型: Article,,卷期:2012年45-3]
- A series of six fully aromatic ionomers with precisely sequenced sulfonated sites along the polymer chains have been designed, prepared, and characterized as proton-exchange membranes. Two straightforward and efficient s...
- Janus Nanosheets of Polymer-Inorganic Layered Composites
[作者:Chen, Y; Liang, FX; Yang, HL; Zhang, CL; Wang, Q; Qu, XZ; Li, JL; Cai, YL; Qiu, D; Yang, ZZ,期刊:Macromolecules, 页码:1460-1467 , 文章类型: Article,,卷期:2012年45-3]
- Janus nanosheets of polymer inorganic layered composites are fabricated by crushing the corresponding Janus composite hollow spheres, which are synthesized by materialization of an amphiphilic emulsion interface with sel...
- Oligomeric Compatibilizers for Control of phase Separation in Conjugated Polymer Blend Films
[作者:Slota, JE; Elmalem, E; Tu, GL; Watts, B; Fang, JF; Oberhumer, PM; Friend, RH; Huck, WTS,期刊:Macromolecules, 页码:1468-1475 , 文章类型: Article,,卷期:2012年45-3]
- Control over phase separation and morphology is critical to optimal function in polymer optoelectronic devices. Here, two fully conjugated oligomeric compatibilizers are introduced, and their effect on the phase separati...
- Sulfonated Polyaniline Nanostructures Synthesized via Rapid Initiated Copolymerization with Controllable Morphology, Size, and Electrical Properties
[作者:Liao, YZ; Strong, V; Chian, W; Wang, X; Li, XG; Kaner, RB,期刊:Macromolecules, 页码:1570-1579 , 文章类型: Article,,卷期:2012年45-3]
- Sulfonated polyaniline (SPANi), a self-doped conjugated polymer, has received great interest in recent years; however, controlling its shape, size, and conductivity at the nanoscale remains a significant challenge. Here,...
- Network Connectivity and Long-Range Continuity of Lamellar Morphologies in Block Copolymer Thin Films
[作者:Campbell, IP; Lau, GJ; Feaver, JL; Stoykovich, MP,期刊:Macromolecules, 页码:1587-1594 , 文章类型: Article,,卷期:2012年45-3]
- The connectivity, and thus long-range continuity of the domains, in a lamellar polystyrene-block-poly(methyl methacrylate) copolymer in thin films depends on the volume fraction of each block and can be shifted by homopo...
- Chain Stiffness of Stilbene Containing Alternating Copolymers by SAXS and SEC
[作者:Li, Y; Zhang, MQ; Mao, M; Turner, SR; Moore, RB; Mourey, TH; Slater, LA; Hauenstein, JR,期刊:Macromolecules, 页码:1595-1601 , 文章类型: Article,,卷期:2012年45-3]
- Persistence lengths of stilbene and styrene containing alternating copolymers were measured using small-angle X-ray scattering (SAXS) and size-exclusion chromatography (SEC). For SAXS measurement, a graphical approach an...
- Block Copolymer Concentration Gradient and Solvent Effects on Nanostructuring of Thin Epoxy Coatings Modified with Epoxidized Styrene-Butadiene-Styrene Block Copolymers
[作者:Ramos, JA; Esposito, LH; Fernandez, R; Zalakain, I; Goyanes, S; Avgeropoulos, A; Zafeiropoulos, NE; Kortaberria, G; Mondragon, I,期刊:Macromolecules, 页码:1483-1491 , 文章类型: Article,,卷期:2012年45-3]
- The gradient on block copolymer concentration through film thickness as well as the effects of casting solvents used on the nanostructuring of a thermosetting epoxy coating modified with an epoxidized poly(styrene-b-buta...
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