Articles with "diblock copolymers" as a keyword



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Self-assembly of poly(ethylene glycol-b-phenyl oxazoline) diblock copolymers in aqueous media and their interactions with proteins

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Published in 2017 at "Colloid and Polymer Science"

DOI: 10.1007/s00396-017-4076-y

Abstract: AbstractAmphiphilic block copolymers composed of poly(ethylene glycol) (PEG) and poly(2-phenyl-2-oxazoline) (PPhOx) with different molecular weights and compositions are synthesized. Their molecular characteristics are determined by size exclusion chromatography (SEC), proton nuclear magnetic resonance (1H NMR),… read more here.

Keywords: phenyl oxazoline; poly ethylene; ethylene glycol; diblock copolymers ... See more keywords
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Degradation of thermoresponsive laponite/PEG-b-PLGA nanocomposite hydrogels controlled by blending PEG-b-PLGA diblock copolymers with different PLGA molecular weights

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Published in 2021 at "Polymer Degradation and Stability"

DOI: 10.1016/j.polymdegradstab.2021.109535

Abstract: Abstract The thermoresponsive gelation behavior and the degradation behavior of the nanocomposites consisting of poly(ethylene glycol)-b-poly(lactic acid-co-glycolic acid) (PEG-b-PLGA) diblock copolymers and clay nanoparticles (laponite) (laponite/PEG-b-PLGA nanocomposites) were studied by changing the blend ratio of… read more here.

Keywords: peg plga; plga diblock; plga; diblock copolymers ... See more keywords
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Effect of solvent selectivity on crystallization-driven fibril growth kinetics of diblock copolymers

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Published in 2018 at "Polymer"

DOI: 10.1016/j.polymer.2018.01.074

Abstract: Abstract We performed dynamic Monte Carlo simulations of diblock copolymers to investigate how the selective solvents on two blocks can suppress the crystallization-driven fibril self-assembly growth in dilute solutions. We found that either a lower… read more here.

Keywords: growth; crystallization; effect; driven fibril ... See more keywords
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Stabilization of complex morphologies in highly disperse AB diblock copolymers

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Published in 2020 at "Polymer"

DOI: 10.1016/j.polymer.2020.122519

Abstract: Abstract Block copolymers have the unique property to self-assemble into ordered microstructures with well-defined periodicity. Among the various attainable microdomain morphologies, complex morphologies with inherent structural connectivity are highly desirable. While such structures are difficult… read more here.

Keywords: complex morphologies; block; dispersity; diblock copolymers ... See more keywords
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Tadpole and Mixed Linear/Tadpole Micelles of Diblock Copolymers: Thermodynamics and Chain Exchange Kinetics

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Published in 2017 at "Macromolecules"

DOI: 10.1021/acs.macromol.6b02481

Abstract: Chain architecture is known to control macromolecular self-assembly and furthermore affect in a more complex way nanostructure stability. Equilibrium properties and chain exchange kinetics between micelles formed by tadpole-shaped diblock copolymers containing a loop-shaped hydrophobic… read more here.

Keywords: chain; chain exchange; thermodynamics; diblock copolymers ... See more keywords
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Characterization of Diblock Copolymers by Capillary Electrophoresis: From Electrophoretic Mobility Distribution to Distribution of Composition

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Published in 2019 at "Macromolecules"

DOI: 10.1021/acs.macromol.9b01978

Abstract: Free solution capillary electrophoresis (CE) is a powerful separation technique for the characterization of diblock copolymers. In this work, four series of double-hydrophilic anionic and cationic block copolymers, namely, poly(acrylamide)-block-poly(acrylic acid), poly(acrylamide)-block-poly((3-acrylamidopropyl)trimethylammonium chloride), poly(ethylene oxide)-block-poly(acrylic… read more here.

Keywords: capillary electrophoresis; block; poly; distribution ... See more keywords
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Toward Lateral Length Standards at the Nanoscale Based on Diblock Copolymers.

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Published in 2017 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.7b00509

Abstract: The self-assembly (SA) of diblock copolymers (DBCs) based on phase separation into different morphologies of small and high-density features is widely investigated as a patterning and nanofabrication technique. The integration of conventional top-down approaches with… read more here.

Keywords: length; lateral length; center; length standards ... See more keywords
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Modulating Microphase Separation of Lamellae-Forming Diblock Copolymers via Ionic Junctions

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Published in 2020 at "ACS Macro Letters"

DOI: 10.1021/acsmacrolett.0c00592

Abstract: We present a molecular dynamics simulation study investigating the phase behavior of lamellae-forming diblock copolymers with a single ionic junction on the backbone. Our results show qualitative a... read more here.

Keywords: lamellae forming; modulating microphase; forming diblock; diblock copolymers ... See more keywords
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Side-Chain Density Driven Morphology Transition in Brush-Linear Diblock Copolymers.

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Published in 2022 at "ACS macro letters"

DOI: 10.1021/acsmacrolett.2c00068

Abstract: We report the synthesis and self-assembly of brush-linear diblock copolymers with variable side-chain length and density. Poly(pentafluorophenyl acrylate-g-ethylene glycol)-b-polystyrene ((PPFPA-g-PEG)-b-PS) brush-linear diblock copolymers are prepared by sequential reversible addition-fragmentation chain transfer (RAFT) polymerization of PPFPA… read more here.

Keywords: linear diblock; side chain; chain; diblock copolymers ... See more keywords
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Surface Engineering of Liquid Metal Nanodroplets by Attachable Diblock Copolymers.

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Published in 2020 at "ACS nano"

DOI: 10.1021/acsnano.0c02720

Abstract: Liquid metal (LM) micro/nano droplets have promising applications in various fields such as flexible electronics, catalysis, and soft composites as well as biomedicines. However, the preparation of highly stable LM nanodroplets suspension based on eutectic… read more here.

Keywords: liquid metal; egain nanodroplets; polymer brushes; attachable diblock ... See more keywords
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Synthesis of amphiphilic diblock copolymers of isotactic polystyrene-block-isotactic poly(p-hydroxystyrene) using a titanium complex with an [OSSO]-type bis(phenolate) ligand and sequential monomer addition

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Published in 2017 at "RSC Advances"

DOI: 10.1039/c7ra01450c

Abstract: A series of isotactic diblock copolymers of polystyrene-block-poly(p-tert-butyldimethylsilyloxystyrene) (iPS-b-iP(p-TBDMSOS)) were successfully synthesized using living coordination polymerization techniques with a kind of titanium dichloro complex containing a 1,4-dithiabutandiyl-linked [OSSO]-type bis(6-cumyl-4-methyl phenolato) ligand (complex 1) activated by… read more here.

Keywords: block; amphiphilic diblock; poly; diblock copolymers ... See more keywords