Phenomena associated with the phase behaviour and self-assembled nanostructures of three block copolymer systems have been studied by small-angle X-ray scattering (SAXS), small-angle neutron scattering (SANS) and transmision electron microscopy (TEM). 1) System A-b-B/A (dPS-b-PMMA/PS homopolymer) were studied as a function of molecular weight and concentration of the added homopolymer. The para...

Block copolymer nano-micelles are especially important in cancer treatment because of their fine dimensions. In this article, three systems of amphiphilic copolymers with similar lengths and different ratios of the hydrophobic and hydrophilic chains are studied using implicit-solvent coarse-grained molecular dynamics simulations. The factor fphil is defined as the ratio of the number...

Although block copolymer motifs have received considerable attention as supramolecular templates for inorganic nanoparticles, experimental observations of a nanostructured diblock copolymer containing inorganic nanoparticles-supported by theoretical trends predicted from a hybrid self-consistent field/density functional theory-confirm that nanoparticle size and selectivity can likewise stabiliz...

In this study, we report the formation of a hierarchical supermolecular structure, a fiber-shaped block copolymer/ paclitaxel complex, from the self-assembly of stereoregular amphiphilic block copolymer mixtures with paclitaxel, a wellknown anticancer drug. The behavior of the unusual selfassembled structure in drug loading and in vitro release is explored for potential biomedical applications ...

We present methodologies for fabricating block copolymer assemblies grafted onto flat solid substrates, where each block of the copolymer possesses a systematic and gradual variation of molecular weight as a function of the position on the substrate. We demonstrate the utility of this technique on two case studies. In the first project, we generate surface-tethered poly[(2-hydroxyethyl methacry...

Periodic organic-inorganic multilayer films are constructed by stepwise alternate build-up of UV-stabilized poly(styrene-block-vinylpyridine) block copolymer inverse micelles and poly(styrene-block-ethylene oxide) block copolymer layers containing inorganic moieties at the polar core blocks. The layered block copolymer inverse micelle films show strong reflective color and well-defined photonic...

Block copolymer melts have been previously used to control the position and alignment of anisotropic nanoparticles. In this work, 2D 3D mesoscopic simulations are explore phase behavior block copolymer/nanoparticle systems. The method combines a time-dependent Ginzburg-Landau for polymer Brownian dynamics Rhomboidal spheroidal shaped particles simulated in two three dimensions, respectively. It...

The co–polymer (Poly-ClBN) of 1, 2 Di-ChloroBenzene and Naphthalene has been synthesised. The copolymer (Poly-ClBN) has been characterised by X Ray Diffraction (XRD) and UV spectroscopic method. Thermo Gravimetric analysis (DTA, DTG and TG) has been used for analysis of thermal stability of the copolymer.

Recent advances on the use of mesoporous and mesostructured materials for electronic and optical applications are reported. The focus is on materials which are processed by block-copolymer templating of silica under weakly acidic conditions and by employing dip- and spin-coating as well as soft lithographic methods to bring them into a well-defined macroscopic shape. Several chemical strategies...