Solution Self Assembly Of Block Copolymers

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Block Copolymers In Solution

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Author : Ian W. Hamley
language : en
Publisher: John Wiley & Sons
Release Date : 2005-12-13

Block Copolymers In Solution written by Ian W. Hamley and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-12-13 with Technology & Engineering categories.

This unique text discusses the solution self-assembly of block copolymers and covers all aspects from basic physical chemistry to applications in soft nanotechnology. Recent advances have enabled the preparation of new materials with novel self-assembling structures, functionality and responsiveness and there have also been concomitant advances in theory and modelling. The present text covers the principles of self-assembly in both dilute and concentrated solution, for example micellization and mesophase formation, etc., in chapters 2 and 3 respectively. Chapter 4 covers polyelectrolyte block copolymers - these materials are attracting significant attention from researchers and a solid basis for understanding their physical chemistry is emerging, and this is discussed. The next chapter discusses adsorption of block copolymers from solution at liquid and solid interfaces. The concluding chapter presents a discussion of selected applications, focussing on several important new concepts. The book is aimed at researchers in polymer science as well as industrial scientists involved in the polymer and coatings industries. It will also be of interest to scientists working in soft matter self-assembly and self-organizing polymers.

Amphiphilic Block Copolymers

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Author : P. Alexandridis
language : en
Publisher: Elsevier
Release Date : 2000-10-18

Amphiphilic Block Copolymers written by P. Alexandridis and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000-10-18 with Science categories.

It is the belief of the editors of this book that the recognition of block copolymers as being amphiphilic molecules and sharing common features with other well-studied amphiphiles will prove beneficial to both the surfactant and the polymer communities. An aim of this book is to bridge the two communities and cross-fertilise the different fields. To this end, leading researchers in the field of amphiphilic block copolymer self-assembly, some having a background in surfactant chemistry, and others with polymer physics roots, have agreed to join forces and contribute to this book.The book consists of four entities. The first part discusses theoretical considerations behind the block copolymer self-assembly in solution and in the melt. The second part provides case studies of self-assembly in different classes of block copolymers (e.g., polyethers, polyelectrolytes) and in different environments (e.g., in water, in non-aqueous solvents, or in the absence of solvents). The third part presents experimental tools, ranging from static (e.g., small angle neutron scattering) to dynamic (e.g., rheology), which can prove valuable in the characterization of block copolymer self-assemblies. The fourth part offers a sampling of current applications of block copolymers in, e.g., formulations, pharmaceutics, and separations, applications which are based on the unique self-assembly properties of block copolymers.

Self Assembly Of Block Copolymers In Dilute Solution

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Author : Kathleen A. Cogan
language : en
Publisher:
Release Date : 1991

Self Assembly Of Block Copolymers In Dilute Solution written by Kathleen A. Cogan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with categories.

Solution Self Assembly Of Block Copolymers

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Author : Nitin Sharma
language : en
Publisher:
Release Date : 2011

Solution Self Assembly Of Block Copolymers written by Nitin Sharma and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with categories.

Block Copolymers In Nanoscience

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Author : Massimo Lazzari
language : en
Publisher: John Wiley & Sons
Release Date : 2007-06-27

Block Copolymers In Nanoscience written by Massimo Lazzari and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-06-27 with Technology & Engineering categories.

This first book to take a detailed look at one of the key focal points where nanotechnology and polymers meet provides both an introductory view for beginners as well as in-depth knowledge for specialists in the various research areas involved. It investigates all types of application for block copolymers: as tools for fabricating other nanomaterials, as structural components in hybrid materials and nanocomposites, and as functional materials. The multidisciplinary approach covers all stages from chemical synthesis and characterization, presenting applications from physics and chemistry to biology and medicine, such as micro- and nanolithography, membranes, optical labeling, drug delivery, as well as sensory and analytical uses.

Bulk Thin Film And Solution Self Assembly Of Block Copolymers Containing A Polyferrocenysilane Metalloblock

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Author : Adam Nunns
language : en
Publisher:
Release Date : 2014

Bulk Thin Film And Solution Self Assembly Of Block Copolymers Containing A Polyferrocenysilane Metalloblock written by Adam Nunns and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with categories.

Flow Directed Solution Self Assembly Of Block Copolymers In Microfluidic Devices

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Author : Joe Chih-Wei Wang
language : en
Publisher:
Release Date : 2012

Flow Directed Solution Self Assembly Of Block Copolymers In Microfluidic Devices written by Joe Chih-Wei Wang and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with categories.

The self-assembly of polystyrene-stabilized cadmium sulfide nanoparticles (PS-CdS) with amphiphilic stabilizing chains of polystyrene-block-poly(acrylic acid) (PS-b-PAA) into colloidal quantum dot compound micelles (QDCMs) is studied on two-phase gas-liquid segmented microfluidic reactors. The resulting particle sizes are found to arise from the interplay of shear-induced coalescence and particle breakup, depending on a combination of chemical and flow conditions. Variation of water content, gas-to-liquid ratio, and total flow rate, enable control of QDCM sizes in the range of 140? 40 nm. The flow-variable shear effect on similar microfluidic reactors is then applied to direct the solution self-assembly of a PS-b-PAA block copolymer into various micelle morphologies. The difference between off-chip and on-chip morphologies under identical chemical conditions is explained by a mechanism of shear-induced coalescence enabled by strong and localized on-chip shear fields, followed by intraparticle chain rearrangements to minimize local free energies. Time-dependent studies of these nanostructures reveal that on-chip kinetic structures will relax to global equilibrium given sufficient time off-chip. Further investigations into the effect of chemical variables on on-chip shear-induced morphologies reveal a combination of thermodynamic and kinetic effects, opening avenues for morphology control via combined chemical (bottom-up) and shear (top-down) forces. An equilibrium phase diagram of off-chip micelle morphologies is constructed and used in conjunction with kinetic considerations to rationalize on-chip mechanisms and morphologies, including cylinders and vesicles, under different chemical conditions. Finally, we extend our strategy of two-phase microfluidic self-assembly of PS-b-PAA to the loading of fluorescent hydrophobic probes (pyrene and naphthalene) with different affinities for the PS core. The on-chip loading approach provides a fast alternate to the slow off-chip method, with implications for the potential development for point-of-care devices for drug loading. On-chip loading results indicate that loading efficiencies are dependent on water content and, to a lesser extent, on flow rate; the results also suggest that the on-chip morphologies of the PS-b-PAA micelles are an important factor in the loading efficiencies.

Macromolecular Self Assembly

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Author : Laurent Billon
language : en
Publisher: John Wiley & Sons
Release Date : 2016-09-06

Macromolecular Self Assembly written by Laurent Billon and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-09-06 with Technology & Engineering categories.

This book describes techniques of synthesis and self-assembly of macromolecules for developing new materials and improving functionality of existing ones. Because self-assembly emulates how nature creates complex systems, they likely have the best chance at succeeding in real-world biomedical applications. • Employs synthetic chemistry, physical chemistry, and materials science principles and techniques • Emphasizes self-assembly in solutions (particularly, aqueous solutions) and at solid-liquid interfaces • Describes polymer assembly driven by multitude interactions, including solvophobic, electrostatic, and obligatory co-assembly • Illustrates assembly of bio-hybrid macromolecules and applications in biomedical engineering

Synthesis And Solution State Self Assembly Of Linear Dendritic Block Copolymers

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Author : Kristoffer Keith Stokes
language : en
Publisher:
Release Date : 2007

Synthesis And Solution State Self Assembly Of Linear Dendritic Block Copolymers written by Kristoffer Keith Stokes and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with categories.

Linear-dendritic block copolymers consisting of a poly(styrene) linear block and poly(amidoamine) dendrimer block were synthesized and examined for their ability to self-assemble in both aqueous environments and organic/aqueous mixtures. These polymers were shown to assemble into vesicle structures under a variety of conditions. Furthermore, size measurements of the dendritic portion were taken by means of Langmuir-Blodgett isotherms, demonstrating both the steric area, as well as the electrostatic area occupied by the dendrimer in a monolayer. Further studies into the rapid synthesis of such systems were also undertaken, with a particular interest in use of the so-called "click" reaction to be used as a facile means toward block copolymer synthesis.

Self Assembly And Applications Of Silicon Containing Block Copolymers From Solution To Bulk And Thin Film

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Author : 羅廷亞
language : en
Publisher:
Release Date : 2015

Self Assembly And Applications Of Silicon Containing Block Copolymers From Solution To Bulk And Thin Film written by 羅廷亞 and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with categories.