Results 251 to 260 of about 92,115 (282)
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Nonionic Block Copolymer Antifoams
Langmuir, 2006Aqueous dispersions of alkoxylated alcohol block copolymer (BCP) drops are investigated as antifoams. A model aqueous nonionic surfactant solution of Polysorbate 20 and an industrial white water suspension are used as foaming systems. Visual evidence obtained using a two-bubble technique involving a CCD camera coupled with high magnification lenses ...
K. S. JOSHI +5 more
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Bactericidal Block Copolymer Micelles
Macromolecular Bioscience, 2011AbstractBlock copolymer micelles with bactericidal properties were designed to deactivate pathogens such as E. coli bacteria. The micelles of PS‐b‐PAA and PS‐b‐P4VP block copolymers were loaded with biocides TCMTB or TCN up to 20 or 30 wt.‐%, depending on the type of antibacterial agent.
Renata, Vyhnalkova +2 more
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Bioinspired functional block copolymers
Soft Matter, 2007The diversity and complexity of structures and functions in synthetic polymer systems can be increased through conjugation with biological segments or, in other words, through generation of "polymer-bioconjugates" or "macromolecular chimeras". The present contribution highlights major synthetic approaches toward sophisticated functional hybrid block ...
Börner, H., Schlaad, H.
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All-Conjugated Block Copolymers
Accounts of Chemical Research, 2008All-conjugated block copolymers of the rod-rod type came into the focus of interest because of their unique and attractive combination of nanostructure formation and electronic activity. Potential applications in a next generation of organic polymer materials for photovoltaic devices ("bulk heterojunction"-type solar cells) or (bio)sensors have been ...
Ullrich, Scherf +2 more
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2014
Phase separation of block copolymers, also known as directed self-assembly has potential application for increasing the resolution of existing lithographic tools to increase the density of patterns and interconnects in integrated circuits.
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Phase separation of block copolymers, also known as directed self-assembly has potential application for increasing the resolution of existing lithographic tools to increase the density of patterns and interconnects in integrated circuits.
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Light‐Responsive Block Copolymers
Macromolecular Rapid Communications, 2010AbstractStimuli‐responsive polymers are the subject of intense research because they are able to show responses to various environmental changes. Among those stimuli, light has attracted much attention since it can be localized in time and space and it can also be triggered from outside of the system.
Jean-Marc, Schumers +2 more
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Reactive block copolymer scaffolds
Chemical Communications, 2007Block copolymers with sequences of differential reactivity were synthesized, and the step-wise and selective derivatization to form a new block copolymer was demonstrated.
Ronald C, Li +2 more
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Metallo‐Supramolecular Block Copolymers
Advanced Materials, 2007AbstractSupramolecular copolymers have become of increasing interest in recent years for the search of new materials with tunable properties. In particular, metallo‐supramolecular block copolymers—copolymers in which the blocks are linked together by a metal–ligand complex—have seen important progresses, allowing better control over the synthetic ...
Fustin, C.A. +3 more
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Layered Dendritic Block Copolymers
Angewandte Chemie International Edition, 1998A star-shaped molecule and a layered structure are displayed by the title compound, where the layers consist of high molecular weight polymers. A core molecule that is functionalized by six hydroxyl groups acts as the initiator for the ring-opening polymerization of ε-caprolactone, leading to a six-arm star polymer.
Mikael, Trollsås +3 more
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Block copolymer micelle nanolithography
Nanotechnology, 2003Au-nanoclusters between 2 and 8 nm in diameter were deposited onto solid substrates in different pattern geometries. The basis of this approach is the self-assembly of polystyrene-b-poly[2-vinylpyridine (HAuCl4)] diblock copolymer micelles into uniform monomicellar films on solid supports such as Si-wafers or glass cover slips.
Glass, R., Möller, M., Spatz, J.
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