Making Highly Elastic and Tough Hydrogels from Doughs
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Materials"
DOI: 10.1002/adma.202206577
Abstract: A hydrogel is often fabricated from preexisting polymer chains by covalently crosslinking them into a polymer network. The crosslinks make the hydrogel swell‐resistant but brittle. This conflict is resolved here by making a hydrogel from… read more here.
Keywords: elastic tough; polymer; hydrogel; swell resistant ... See more keywords
Wavelength-Selective Folding of Single Polymer Chains with Different Colors of Visible Light.
Sign Up to like & getrecommendations! Published in 2019 at "Macromolecular rapid communications"
DOI: 10.1002/marc.201900414
Abstract: Photochemistry allows chemists to exert control over chemical reactions with spatiotemporal precision. Furthermore, light holds the potential to not only gate when and where but also which reaction takes place. Herein, two photocycloaddition reactions-initiated by… read more here.
Keywords: colors visible; visible light; polymer chains; single polymer ... See more keywords
Tensile characteristics of carbene-functionalized CNTs subjected to physisorption of polymer chains: a molecular dynamics study
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Molecular Modeling"
DOI: 10.1007/s00894-019-4189-y
Abstract: Tensile properties such as Young’s modulus and ultimate tensile force are important properties in understanding the characteristics of nanocomposites. Besides, the importance of functionalization methods in modification of the unique mechanical and elastic properties of… read more here.
Keywords: physisorption polymer; young modulus; polymer chains; molecular dynamics ... See more keywords
Dehydration of polymer chains initiates graphene folding in water
Sign Up to like & getrecommendations! Published in 2021 at "Carbon"
DOI: 10.1016/j.carbon.2021.05.009
Abstract: Abstract The popularity of graphene origami - eyed for applications in electronics, energy harvesting, molecular storage and membrane development - has been on the rise for the last few years. Experimental studies have demonstrated that… read more here.
Keywords: graphene folding; water; graphene; polymer chains ... See more keywords
Self-coacervation of ampholyte polymer chains as an efficient encapsulation strategy.
Sign Up to like & getrecommendations! Published in 2019 at "Journal of colloid and interface science"
DOI: 10.1016/j.jcis.2019.04.033
Abstract: Coacervation is a phase separation process involving two aqueous phases, one solute-phase and one solute-poor phase. It is frequently observed among oppositely-charged polyelectrolyte systems. In this study, we focus on self-coacervation involving a single polymer… read more here.
Keywords: phase; polymer chains; coacervation; self coacervation ... See more keywords
Bamboo-like nanostructures prepared using template-based wetting methods: Molecular arrangements of polyimide and carbon tubes in cylindrical nanopores
Sign Up to like & getrecommendations! Published in 2019 at "Polymer"
DOI: 10.1016/j.polymer.2019.121979
Abstract: Abstract With excellent mechanical and physical properties, polyimides (PIs) possess diverse applications in different fields. PI-based materials can also be converted to carbon materials by high temperature carbonization processes. The fabrication and properties of PI-based… read more here.
Keywords: carbon; bamboo like; polymer chains; carbon tubes ... See more keywords
Magnetic Polymer Chains of Iron and Zwitterionic Quinoidal Ligands on the Ag(111) Surface
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Physical Chemistry C"
DOI: 10.1021/acs.jpcc.9b08209
Abstract: On-surface polymerization of iron atoms and zwitterion quinone (ZQ) molecules on Ag(111) is studied experimentally under ultra-high vacuum and theoretically in the framework of density functional theory. The resulting one-dimensional (1D) polymer chain is a… read more here.
Keywords: polymer; polymer chains; chains iron; magnetic polymer ... See more keywords
Conformational Transitions of Dynamic Polymer Chains Induced by Colloidal Particles in Dilute Solution
Sign Up to like & getrecommendations! Published in 2020 at "Macromolecules"
DOI: 10.1021/acs.macromol.0c00524
Abstract: Understanding the conformational dynamics of polymer chains interacting with colloidal particles is of great significance to manipulate the properties of nanocomposites and polymer–solid interfaces... read more here.
Keywords: chains induced; dynamic polymer; polymer chains; colloidal particles ... See more keywords
Do Physically Trapped Polymer Chains Contribute to the Mechanical Response of a Host Double-Network Hydrogel under Finite Tensile Deformation?
Sign Up to like & getrecommendations! Published in 2017 at "Macromolecules"
DOI: 10.1021/acs.macromol.7b01382
Abstract: This paper describes the effect of physically trapped polymer chains (PTPCs) on the mechanical behavior of pseudo-semi-interpenetrating (pseudo-SIPN) and pseudo-interpenetrating (pseudo-IPN) double-network (DN) hydrogels synthesized from 3-sulfopropyl acrylate potassium salt (SAPS) and acrylamide (AAm). DN… read more here.
Keywords: polymer; polymer chains; double network; trapped polymer ... See more keywords
Polymer Chains Fold Prior to Crystallization.
Sign Up to like & getrecommendations! Published in 2022 at "ACS macro letters"
DOI: 10.1021/acsmacrolett.1c00789
Abstract: There are long-standing debates in crystallization mechanism of polymer chains at the molecular levels: Which comes first, chain folding or lamellae formation during crystallization? In this study, we report the local chain trajectory of 13C-labeled… read more here.
Keywords: polymer chains; local chain; crystallization; prior crystallization ... See more keywords
Subtle End Group Functionalization of Polymer Chains Drives Surface Depletion of Entire Polymer Chains
Sign Up to like & getrecommendations! Published in 2018 at "ACS Macro Letters"
DOI: 10.1021/acsmacrolett.8b00394
Abstract: The surface of a blend of 6 kDa polystyrene and 6 kDa polystyrene functionalized with hydroxymethyl ends not only is depleted of the higher energy end groups but also is depleted of any segments belonging… read more here.
Keywords: entire chains; end; surface; polymer ... See more keywords