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block copolymers

Synthesis and Characterization of Block Copolymers of Polystyrene and Thermotropic Liquid Crystalline Polyesters

Synthesis and Characterization of Block Copolymers of Polystyrene and Thermotropic Liquid Crystalline Polyesters

... the block copolymers in 4-chlorophenol/1,1,2,2-tetrachloroethane (20/80% by weight) at 70 °C, are summarized in ...the block movements from PS segments; and the melting endothermic peak presented at ...

9

Fabrication routes for one-dimensional nanostructures via block copolymers

Fabrication routes for one-dimensional nanostructures via block copolymers

... of block copolymer molecules into periodic microdo- mains, on the 10–100 nm ...Here, block copolymers can form structures that are lithographically transferred into other materials such as ...

13

Block copolymers : controlling nanostructure to generate functional materials : synthesis, characterization, and engineering

Block copolymers : controlling nanostructure to generate functional materials : synthesis, characterization, and engineering

... of block copolymers, discuss several key materials opportunities enabled by block copolymers, and highlight some of the challenges that currently limit further realization of block ...

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The direct synthesis of sulfobetaine containing amphiphilic block copolymers and their self assembly behavior

The direct synthesis of sulfobetaine containing amphiphilic block copolymers and their self assembly behavior

... sulfobetaine-hydrophobic block copolymers is interesting due to their potential self-assembly and thermo-responsive ...such block copolymers has not yet been reported as polybetaines have poor ...

12

Rotation Dynamics of Star Block Copolymers under Shear Flow

Rotation Dynamics of Star Block Copolymers under Shear Flow

... Star block-copolymers (SBCs) are macromolecules formed by a number of diblock copolymers anchored to a common central core, being the internal monomers solvophilic and the end monomers ...

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Phase behavior and orientational ordering in block copolymers doped with anisotropic nanoparticles

Phase behavior and orientational ordering in block copolymers doped with anisotropic nanoparticles

... Secondly, NPs affect the stability ranges of the hexago- nal, lamellae and disordered phases of block copolymers. As shown in Section III, the interaction between NPs and monomers renormalizes the quadratic ...

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Combining uretdione and disulfide reversibly degradable polyurethanes : route to alternating block copolymers

Combining uretdione and disulfide reversibly degradable polyurethanes : route to alternating block copolymers

... Dibutyltin dilaurate was used as catalyst in order to promote the thiourethane reaction to form a third unique thiourethane polymer. The initial concentrations of the uretdione and disulphide polyurethanes require ...

8

Synthesis of novel siloxane containing block copolymers for impact modification of polybutyleneterephthalate

Synthesis of novel siloxane containing block copolymers for impact modification of polybutyleneterephthalate

... 1, 2 dichlororobenzene (8 = 20.5(MJm “3)1/2) was evaluated as a possible solvent for the copolymerisation, since it had proved to be a successful medium in the copolymerisation of polyethersulphone and PDMS block ...

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Application of poly(ethylene glycol)– distearoylphosphatidylethanolamine (PEG-DSPE) block copolymers and their derivatives as nanomaterials in drug delivery

Application of poly(ethylene glycol)– distearoylphosphatidylethanolamine (PEG-DSPE) block copolymers and their derivatives as nanomaterials in drug delivery

... (PEG-DSPE) block copolymers are biocompatible and amphiphilic polymers that can be widely utilized in the preparation of liposomes, polymeric nanoparticles, polymer hybrid nanoparticles, solid lipid ...

14

Physico-chemical Functionalization and Morphological Studies of Nanostructured Block Copolymers and Ionomers.

Physico-chemical Functionalization and Morphological Studies of Nanostructured Block Copolymers and Ionomers.

... Due to their ability to microphase-order into various nanostructures, block copolymers (BCs) remain one of the most extensively studied classes of soft materials that are suitable for ubiquitous ...

267

Differentiation of human stem cells is promoted by amphiphilic pluronic block copolymers

Differentiation of human stem cells is promoted by amphiphilic pluronic block copolymers

... In addition to stem cells, novel tissue engineering approaches utilize suitable biomaterials that provide a molecular matrix as a biomimetic surface for cell attach- ment to promote proliferation and differentiation. ...

12

Three-Dimensional Self-Assembly of Brush Block Copolymers to Photonic Crystals

Three-Dimensional Self-Assembly of Brush Block Copolymers to Photonic Crystals

... Block copolymers are the ideal material for these low-cost and large scale ...16 Block copolymers self-assemble into ordered nanostructures quickly and with minimal ...processing. Block ...

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Morphology Control of Polymer Microspheres Containing Block Copolymers with Seed Polymerization

Morphology Control of Polymer Microspheres Containing Block Copolymers with Seed Polymerization

... general block copolymers show nanometer sized microphase-separated structure, whereas simple polymer blends afford micrometer sized macrophase-separated ...A-B block copolymer to the polymer blend ...

8

Methacrylic block copolymers by sulfur free RAFT (SF RAFT) free radical emulsion polymerisation

Methacrylic block copolymers by sulfur free RAFT (SF RAFT) free radical emulsion polymerisation

... the block copolymers presented in this study were obtained via the semi-batch seeded emulsion polymerisation, colloidal and interfacial phenomena should also be considered to obtain a more complete ...

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Controlling Sub-Microdomain Structure in Microphase-Ordered Block Copolymers and Their Nanocomposites

Controlling Sub-Microdomain Structure in Microphase-Ordered Block Copolymers and Their Nanocomposites

... Block copolymers continue to remain one of the most extensively studied classes of polymers due to their intrinsic ability to infuse the dissimilar properties of homopolymers into a single material by ...

265

Asymmetric block copolymers confined in a thin film

Asymmetric block copolymers confined in a thin film

... At the end of this comparison with literature data, two remarks have to be made. First, experimental studies on films with nonselective surfaces have not been reported until now. Therefore, it is not possible to validate ...

12

Structure-Property Relationships of Imidazolium-Containing Polymer Systems: Homopolymers, Block Copolymers, and Block Copolymer/Ionic Liquid Mixtures

Structure-Property Relationships of Imidazolium-Containing Polymer Systems: Homopolymers, Block Copolymers, and Block Copolymer/Ionic Liquid Mixtures

... of block copolymers into well defined, periodic nanoscale structures makes them interesting functional materials for ion transport ...ion-containing block copolymers as solid electrolytes in ...

332

Lipiodol nanoemulsions stabilized with polyglycerol-polycaprolactone block copolymers for theranostic applications

Lipiodol nanoemulsions stabilized with polyglycerol-polycaprolactone block copolymers for theranostic applications

... glycidol was temporarily protected through the reaction of glycidol with ethyl vinyl ether. The resulting EEGE was then polymerized by ring-opening polymerization to PEEGE. The synthesized PEEGE was used as an initiator ...

10

Synthesis, aggregation and responsivity of block copolymers containing organic arsenicals

Synthesis, aggregation and responsivity of block copolymers containing organic arsenicals

... corona-forming block and NIPAm, with its ability to undergo phase transition at elevated temperatures (LCST = 32 °C), was selected as the core-forming ...and block efficiency, the PEGA blocks (DP n,th = 20) ...

7

The Incorporation of Phosphorus into Block Copolymers and Their Self-Assembly

The Incorporation of Phosphorus into Block Copolymers and Their Self-Assembly

... Heteroatoms have been incorporated into RAFT end-groups to provide novel properties to polymers produced from RAFT polymerization. For example Chakrabarty and co-workers demonstrated the use of an ammonium salt ...

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