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Thermomechanical and Conductive Properties of Thiol–Ene Poly(ionic liquid) Networks Containing Backbone and Pendant Imidazolium Groups

Bratton, Abigail F.; Kim, Sung-Soo; Ellison, Christopher J.; Miller, Kevin M.

 (Natural) polymersApplicationCharacteristic dimensionCharacterizationCustomer publicationsMaterialOtherPolymer researchRenewable energySAXSSelf-assembled materialTechniqueTemperatureWAXS

Thermomechanical and Conductive Properties of Thiol–Ene Poly(ionic liquid) Networks Containing Backbone and Pendant Imidazolium Groups

Bratton, Abigail F.; Kim, Sung-Soo; Ellison, Christopher J.; Miller, Kevin M.

A series of covalently cross-linked poly(ionic liquid) networks were prepared using thiol–ene “click” photopolymerization. In these networks, imidazolium groups are placed in the backbone and pendant to the main chain, creating a “hybrid”-type network architecture. The pendant imidazolium groups were incorporated into the networks from monofunctional “ene” monomers that contained…
Effects of Urea and TMAO on Lipid Self-Assembly under Osmotic Stress Conditions

Pham, Quoc Dat; Wolde-Kidan, Amanuel; Gupta, Anirudh; Schlaich, Alexander; Schneck, Emanuel; Netz, Roland R.; Sparr, Emma

 ApplicationCharacteristic dimensionCharacterizationCustomer publicationsLipidsMaterialOtherPhase analysisSAXSSelf-assembled materialTechniqueWAXS

Effects of Urea and TMAO on Lipid Self-Assembly under Osmotic Stress Conditions

Pham, Quoc Dat; Wolde-Kidan, Amanuel; Gupta, Anirudh; Schlaich, Alexander; Schneck, Emanuel; Netz, Roland R.; Sparr, Emma

Most land-living organisms regularly experience dehydration. In nature, one commonly applied strategy to protect against this osmotic stress is to introduce small polar molecules with low vapor pressure, commonly called osmolytes. Two examples of naturally occurring small polar compounds are urea and trimethylamine N-oxide (TMAO), which are known to have…
Pore size dependent cation adsorption in a nanoporous polymer film derived from a plastic columnar phase

Bhattacharjee, Subham; Lugger, Jody AM; Sijbesma, Rint P.

 (Natural) polymersApplicationCharacterizationCustomer publicationsLiquid crystalsMaterialPolymer researchPore size and pore size distributionSelf-assembled materialTechniqueTemperatureThin filmsWAXS

Pore size dependent cation adsorption in a nanoporous polymer film derived from a plastic columnar phase

Bhattacharjee, Subham; Lugger, Jody AM; Sijbesma, Rint P.

Chemical Communications, 2018, vol 54, 68, pp. 9521–9524DOI:Back to the overview
Strong synergistic improvement of mechanical properties in HDPE/COC blends with fibrillar morphology

Ostafinska, Aleksandra; Vackova, Tatana; Slouf, Miroslav

 (Natural) polymersApplicationCharacterizationCrystalline fractionCustomer publicationsFibersMaterialPolymer researchSAXSTechniqueWAXS

Strong synergistic improvement of mechanical properties in HDPE/COC blends with fibrillar morphology

Ostafinska, Aleksandra; Vackova, Tatana; Slouf, Miroslav

High-density polyethylene/cycloolefin copolymer (HDPE/COC) blends with fibrous morphology were prepared. Mechanical properties in the whole concentration range were measured in both macroscale (tensile measurements) and microscale (microindentation hardness testing). Strong improvement of mechanical performance was observed namely for the blends with soft HDPE matrix reinforced with the stiff…
3D Printing of Liquid Crystal Elastomeric Actuators with Spatially Programed Nematic Order

Kotikian, Arda; Truby, Ryan L.; Boley, John William; White, Timothy J.; Lewis, Jennifer A.

 (Natural) polymersApplicationCharacterizationCustomer publicationsLiquid crystalsMaterialOrientation analysisOtherTechniqueWAXS

3D Printing of Liquid Crystal Elastomeric Actuators with Spatially Programed Nematic Order

Kotikian, Arda; Truby, Ryan L.; Boley, John William; White, Timothy J.; Lewis, Jennifer A.

Liquid crystal elastomers (LCEs) are soft materials capable of large, reversible shape changes, which may find potential application as artificial muscles, soft robots, and dynamic functional architectures. Here, the design and additive manufacturing of LCE actuators (LCEAs) with spatially programed nematic order that exhibit large, reversible, and repeatable contraction with…
Overcoming efficiency and stability limits in water-processing nanoparticular organic photovoltaics by minimizing microstructure defects

Xie, Chen; Heumüller, Thomas; Gruber, Wolfgang; Tang, Xiaofeng; Classen, Andrej; Schuldes, Isabel; Bidwell, Matthew; Späth, Andreas; Fink, Rainer H.; Unruh, Tobias; McCulloch, Iain; Li, Ning; Brabec, Christoph J.

 ApplicationCharacterizationCrystalline fractionCustomer publicationsGIWAXSMaterialNanoparticles & colloidsPhase analysisRenewable energySAXSSelf-assembled materialTechniqueThin filmsWAXS

Overcoming efficiency and stability limits in water-processing nanoparticular organic photovoltaics by minimizing microstructure defects

Xie, Chen; Heumüller, Thomas; Gruber, Wolfgang; Tang, Xiaofeng; Classen, Andrej; Schuldes, Isabel; Bidwell, Matthew; Späth, Andreas; Fink, Rainer H.; Unruh, Tobias; McCulloch, Iain; Li, Ning; Brabec, Christoph J.

Water-based semiconducting polymer nanoparticles are eco-friendly and non-toxic but their performance suffers from the surfactants. Here Xie et al. design an approach to minimize the amount of residual surfactant in these nanoparticles and make high-efficiency and stability solar…
Adduct modified nano-clay mineral dispersed polystyrene nanocomposites as advanced corrosion resistance coatings for aluminum alloys

Raju, Annu; Lakshmi, V.; Vishnu Prataap, R. K.; Resmi, V. G.; Rajan, T. P. D.; Pavithran, C.; Prasad, V. S.; Mohan, S.

 (Natural) polymersApplicationCharacteristic dimensionCharacterizationCompositesCustomer publicationsMaterialPolymer researchSAXSTechniqueWAXS

Adduct modified nano-clay mineral dispersed polystyrene nanocomposites as advanced corrosion resistance coatings for aluminum alloys

Raju, Annu; Lakshmi, V.; Vishnu Prataap, R. K.; Resmi, V. G.; Rajan, T. P. D.; Pavithran, C.; Prasad, V. S.; Mohan, S.

The present investigation is on processing of a series of clay polystyrene nanocomposite (CPS) coatings containing different adduct modified montmorillonite (Mt) for corrosion resistance coating applications. The corrosion properties were studied using potentiodynamic and electrochemical impedance spectroscopy measurements in 3.5wt% aqueous NaCl electrolyte. The CPS coatings offered enhanced…
Amino-functionalized breath-figure cavities in polystyrene–alumina hybrid films: effect of particle concentration and dispersion

V, Lakshmi; Raju, Annu; G, Resmi V.; Pancrecious, Jerin K.; D, Rajan T. P.; C, Pavithran

 (Natural) polymersCompositesCustomer publicationsParticle interactionsPolymer researchWAXS

Amino-functionalized breath-figure cavities in polystyrene–alumina hybrid films: effect of particle concentration and dispersion

V, Lakshmi; Raju, Annu; G, Resmi V.; Pancrecious, Jerin K.; D, Rajan T. P.; C, Pavithran

We report the formation of breath-figure (BF) patterns with amino-functionalized cavities in a BF incompatible polystyrene (PS) by incorporating functionalized alumina nanoparticles. The particles were amphiphilic-modified and the modifier ratio was regulated to achieve a specific hydrophobic/hydrophilic balance of the particles. The influence of the physical and chemical properties of…
Anomalies in the low frequency vibrational density of states for a polymer with intrinsic microporosity – the Boson peak of PIM-1

Zorn, Reiner; Yin, Huajie; Lohstroh, Wiebke; Harrison, Wayne; Budd, Peter M.; Pauw, Brian R.; Böhning, Martin; Schönhals, Andreas

 (Natural) polymersApplicationCharacteristic dimensionCharacterizationCustomer publicationsFractal dimensionMaterialPolymer researchSAXSTechniqueWAXS

Anomalies in the low frequency vibrational density of states for a polymer with intrinsic microporosity – the Boson peak of PIM-1

Zorn, Reiner; Yin, Huajie; Lohstroh, Wiebke; Harrison, Wayne; Budd, Peter M.; Pauw, Brian R.; Böhning, Martin; Schönhals, Andreas

Polymers with intrinsic microporosity are promising candidates for the active separation layer in gas separation membranes. Here, the vibrational density of states (VDOS) for PIM-1, the prototypical polymer with intrinsic microporosity, is investigated by means of inelastic neutron scattering. The results are compared to data measured for a more conventional…
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