Daniel Salatto
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View article: Self‐assembling Process of Block Copolymers at the Solid–Polymer Melt Interface: Fundamentals and Applications
Self‐assembling Process of Block Copolymers at the Solid–Polymer Melt Interface: Fundamentals and Applications Open
We present new pieces of experimental findings on the self-assembling process of block copolymers (BCPs) on nonneutral solid substrate surfaces. The key to this event is the concurrent physisorption of preferred blocks and nonpreferred blo…
View article: Structure-Based Design of Dual Bactericidal and Bacteria-Releasing Nanosurfaces
Structure-Based Design of Dual Bactericidal and Bacteria-Releasing Nanosurfaces Open
Here, we report synergistic nanostructured surfaces combining bactericidal and bacteria-releasing properties. A polystyrene-block-poly(methyl methacrylate) (PS-block-PMMA) diblock copolymer is used to fabricate vertically oriented cylindri…
View article: Structural and Dynamical Roles of Bound Polymer Chains in Rubber Reinforcement
Structural and Dynamical Roles of Bound Polymer Chains in Rubber Reinforcement Open
The addition of nanofillers to rubber matrices is a powerful route to improve the mechanical properties. Here, we focus on a molecular understanding of basic mechanisms that are important for the reinforcement in rubbers. The key role in t…
View article: Collective Nanoparticle Dynamics Associated with Bridging Network Formation in Model Polymer Nanocomposites
Collective Nanoparticle Dynamics Associated with Bridging Network Formation in Model Polymer Nanocomposites Open
The addition of nanoparticles (NPs) to polymers is a powerful method to improve the mechanical and other properties of macromolecular materials. Such hybrid polymer-particle systems are also rich in fundamental soft matter physics. Among s…
View article: Bridging-Controlled Network Microstructure and Long-Wavelength Fluctuations in Silica–Poly(2-vinylpyridine) Nanocomposites: Experimental Results and Theoretical Analysis
Bridging-Controlled Network Microstructure and Long-Wavelength Fluctuations in Silica–Poly(2-vinylpyridine) Nanocomposites: Experimental Results and Theoretical Analysis Open
We have performed small-angle X-ray scattering (SAXS) measurements to study the evolution of length-scale-dependent nanoparticle (NP) correlations over a wide range of loadings in miscible silica–poly(2-vinylpyridine) polymer nanocomposite…
View article: Structural Dynamics in UV Curable Resins Resolved by In Situ 3D Printing X-ray Photon Correlation Spectroscopy
Structural Dynamics in UV Curable Resins Resolved by In Situ 3D Printing X-ray Photon Correlation Spectroscopy Open
Additive manufacturing (AM) is a promising technique to rapidly produce polymeric materials into complex 3-dimensional (3D) geometries. While AM is widespread and relevant for a range of applications, implementation in industry has outpace…
View article: Generalized Protein-Repellent Properties of Ultrathin Homopolymer Films
Generalized Protein-Repellent Properties of Ultrathin Homopolymer Films Open
Fouling is the undesirable accumulation of a material on a wide variety of objects and has now become a widespread global problem from land to ocean with both economic and environmental penalties. Here, we report protein-repellent properti…
View article: Revealing nanoscale dynamics during an epoxy curing reaction with x-ray photon correlation spectroscopy
Revealing nanoscale dynamics during an epoxy curing reaction with x-ray photon correlation spectroscopy Open
The evolution of nanoscale properties is measured during the thermally triggered curing of an industrial epoxy adhesive. We use x-ray photon correlation spectroscopy (XPCS) to track the progression of the curing reaction through the local …
View article: Protein Resistance Driven by Polymer Nanoarchitecture
Protein Resistance Driven by Polymer Nanoarchitecture Open
We report that the nanometer-scale architecture of polymer chains plays a crucial role in its protein resistant property over surface chemistry. Protein-repellent (noncharged), few nanometer thick polymer layers were designed with homopoly…
View article: “Structurally Neutral” Densely Packed Homopolymer-Adsorbed Chains for Directed Self-Assembly of Block Copolymer Thin Films
“Structurally Neutral” Densely Packed Homopolymer-Adsorbed Chains for Directed Self-Assembly of Block Copolymer Thin Films Open
In this work adsorbed chains composed of one of the constituent blocks can be used as a new surface modification approach to induce perpendicularly oriented lamellar microdomains in block copolymer thin films. A nearly symmetric polystyren…
View article: Self-Organization of Triblock Copolymer Melt Chains Physisorbed on Non-neutral Surfaces
Self-Organization of Triblock Copolymer Melt Chains Physisorbed on Non-neutral Surfaces Open
We here report the self-organization process of poly(styrene-b-ethylene/butadiene-b-styrene) (SEBS) triblock copolymer chains physically adsorbed on a non-neutral surface. Spin-cast SEBS thin films were prepared on silicon (Si) substrates …