Block Copolymer Self Assembly In Solution

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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.

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.

Block Copolymer Self Assembly In Solution

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Author : Soo-Hyung Choi
language : en
Publisher:
Release Date : 2010

Block Copolymer Self Assembly In Solution written by Soo-Hyung Choi and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with categories.

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.

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.

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.

Physical Aspects Of Polymer Self Assembly

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Author : P. R. Sundararajan
language : en
Publisher: John Wiley & Sons
Release Date : 2016-11-15

Physical Aspects Of Polymer Self Assembly written by P. R. Sundararajan 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 2016-11-15 with Science categories.

Offering an overview of principles and techniques, this book covers all major categories of self-assembled polymers – properties, processes, and design. Each chapter focuses on morphology, applications, and advanced concepts to illustrate the advantages of polymer self-assembly across industrial and academic research. • Provides an organized, comprehensive overview of polymer self-assembly, its fundamentals, principles, and applications • Includes chapters on block copolymers, amphiphilic polymers, supramolecular polymers, rotaxenes, polymer gels, dendrimers, and small molecules in polymer matrices • Focuses on novel applications, block copolymer assembly to nanotechnology, photonics and metamaterials, molecular machines and artificial muscle, gels that can be applied to polymer science, materials science, and nanotechnology • Examines state-of-the-art concepts, like lithographic patterning and foldaxane • Discusses challenges and future outlook of a popular and emerging field of study

Design And Characterization Of Self Assembled Nanostructures Of Block Copolymers In Solution

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Author :
language : en
Publisher:
Release Date : 2009

Design And Characterization Of Self Assembled Nanostructures Of Block Copolymers In Solution written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Block copolymers categories.

Self-assembling amphiphilic block copolymers have been studied extensively due to their ability to form a wide range of morphologies including spheres, cylinders, and vesicles. Changing the molecular composition of the block copolymer, the relative block lengths, and the solution conditions can alter the assembly behavior. The main goal of this dissertation is to investigate the self-assembly of two different amphiphilic block copolymer systems in an effort to controllably make different assembled structures. Amphiphilic, triblock copolymers of poly(acrylic acid)- b -poly(methyl acrylate)- b -polystyrene (PAA-PMA-PS) in tetrahydrofuran (THF)/ water solvent mixtures were studied. The solution conditions and the relative block lengths were varied, and complexation with an amine counterion was used to influence the self-assembly of these materials. A variety of structures were observed including phase-separated nanoparticles, bulk-like lamellar phase separation, spherical, cylindrical, and disk-like micelles, as well as toroidal assemblies. The specific structure formed was dependent on the composition of the triblock copolymer, the amount and valency of the counterion present, and the THF to water volume ratio. The structure of polymer nanoparticles and networks formed in low water content systems was examined. The size of the nanoparticles and whether separated nanoparticles vs. an interconnected network was formed was controlled via solvent composition. Importantly, both the nanoparticles and network phases contained their own inherent nanostructure due to local phase separation of the block copolymers. This phase behavior within the nanoparticles could be tuned, i.e. porous or lamellar internal structure, by changing the valency of the amine counterion. Cryo-transmission electron microscopy (TEM), traditional TEM, and neutron scattering were used to examine these samples. In addition to these triblock copolymers, amphiphilic diblock copolypeptides of hydrophobic leucine (L) and hydrophilic lysine (K) with poly(ethylene glycol) side groups were investigated. The effect of the copolypeptide design on the resulting morphology was studied by examining diblock compositions with different block lengths and secondary structures. It was determined that the secondary structure of these peptides plays a significant role in influencing the assembly of these materials.

Synthesis And Solution Self Assembly Of Poly L Lactide Based Amphiphilic Block Copolymers

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Author : Amy Petretic
language : en
Publisher:
Release Date : 2015

Synthesis And Solution Self Assembly Of Poly L Lactide Based Amphiphilic Block Copolymers written by Amy Petretic 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.