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Melt Electrowriting of Elastic Scaffolds Using PEOT-PBT Multi-block Copolymer. [PDF]
Adv Healthc MaterAmirsadeghi A +6 more
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Orienting Block Copolymer Microdomains with Block Copolymer Brushes
ACS Nano, 2012A simple, rapid, and robust technique for controlling the self-assembly of block copolymers (BCPs) with a large segmental interaction parameter, χ, is described using a surface modified with anchored BCP brushes. End-functionalized poly(styrene-b-ethylene oxide)s (PS-b-PEOs), where the fraction of PS (f(PS)) was varied, end-functionalized neat PS, and ...
Weiyin, Gu +2 more
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Biodegradable block copolymers
Advanced Drug Delivery Reviews, 2001Recently, block copolymers have got tremendous impetus on the ongoing research in the area of drug delivery technology, due to their capability to provide a biomaterial having a broad range of amphiphilic characteristics, as well as targeting the drugs to specific site.
N, Kumar, M N, Ravikumar, A J, Domb
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Journal of the American Chemical Society, 2009
Chiral block copolymers (BCPs*) comprising chiral entities were designed to fabricate helical architectures (i.e., twisted morphologies) from self-assembly. A new helical phase (H*) with P622 symmetry was discovered in the self-assembly of poly(styrene)-b-poly(l-lactide) (PS-PLLA) BCPs*. Hexagonally packed, interdigitated PLLA helical microdomains in a
Ho, Rong-Ming +8 more
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Chiral block copolymers (BCPs*) comprising chiral entities were designed to fabricate helical architectures (i.e., twisted morphologies) from self-assembly. A new helical phase (H*) with P622 symmetry was discovered in the self-assembly of poly(styrene)-b-poly(l-lactide) (PS-PLLA) BCPs*. Hexagonally packed, interdigitated PLLA helical microdomains in a
Ho, Rong-Ming +8 more
openaire +2 more sources
Journal of the American Chemical Society, 2019
In this report, we merge block copolymers with vitrimers in an effort to realize the prospect of higher-order, nanoscale control over associative cross-link exchange and flow. We show the use of controlled polymerization as a vital tool to understand fundamental structure-property effects through the precise control of polymer architecture and ...
Jacob J. Lessard +5 more
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In this report, we merge block copolymers with vitrimers in an effort to realize the prospect of higher-order, nanoscale control over associative cross-link exchange and flow. We show the use of controlled polymerization as a vital tool to understand fundamental structure-property effects through the precise control of polymer architecture and ...
Jacob J. Lessard +5 more
openaire +2 more sources
Skin delivery by block copolymer nanoparticles (block copolymer micelles)
International Journal of Pharmaceutics, 2015Block copolymer nanoparticles often referred to as "block copolymer micelles" have been assessed as carriers for skin delivery of hydrophobic drugs. Such carriers are based on organic biocompatible and biodegradable materials loaded with hydrophobic drugs: poly(lactide)-block-poly(ethylene glycol) copolymer (PLA-b-PEG) nanoparticles that have a solid ...
Laredj-Bourezg, Faiza +6 more
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Polymer Bulletin, 1996
The preparation of acid chloride of poly(propylene oxide), PPO, the synthesis of prepolymer poly(p-benzamide), and of block copolymers of poly(p-benzamide)-b-poly(propylene oxide) are reported. The preparation of prepolymer poly(p-benzamide), PBA, and activated PPO, as well as PBA-PPO block copolymer are discussed according to their FTIR spectra.
F. M. Rabagliati +5 more
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The preparation of acid chloride of poly(propylene oxide), PPO, the synthesis of prepolymer poly(p-benzamide), and of block copolymers of poly(p-benzamide)-b-poly(propylene oxide) are reported. The preparation of prepolymer poly(p-benzamide), PBA, and activated PPO, as well as PBA-PPO block copolymer are discussed according to their FTIR spectra.
F. M. Rabagliati +5 more
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Current Opinion in Solid State and Materials Science, 1999
The efficient synthesis of structurally well-defined block copolymers is exciting and important area of research. This article describes several methods for the preparation of di- and triblock copolymers. Examples are taken from the literature and include anionic, cationic, free-radical and metal-catalyzed polymerizations that are useful for the ...
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The efficient synthesis of structurally well-defined block copolymers is exciting and important area of research. This article describes several methods for the preparation of di- and triblock copolymers. Examples are taken from the literature and include anionic, cationic, free-radical and metal-catalyzed polymerizations that are useful for the ...
openaire +1 more source
Dynamic Assembly of Block-Copolymers
2011Block copolymers (BCs) are well-known building blocks for the creation of a large variety of nanostructured materials or objects through a dynamic assembly stage which can be either autonomous or guided by an external force. Today's nanotechnologies require sharp control of the overall architecture from the nanoscale to the macroscale.
D, Quémener +2 more
openaire +3 more sources