Physical aging in polymers and polymer nanocomposites: recent results and open questions

D Cangialosi, VM Boucher, A Alegría, J Colmenero - Soft Matter, 2013 - pubs.rsc.org
Physical aging is a ubiquitous phenomenon in glassy materials and originates from the fact
that they are generally out-of-equilibrium. Due to the technological and fundamental …

Correlation between dynamic fragility and glass transition temperature for different classes of glass forming liquids

Q Qin, GB McKenna - Journal of Non-Crystalline Solids, 2006 - Elsevier
Here we compile literature data for dynamic fragility m for six types of glass forming liquids:
polymers, small molecule organics, hydrogen bonding organics, inorganics, ionic and …

On the feasibility of using phase change materials (PCMs) to mitigate thermal cracking in cementitious materials

F Fernandes, S Manari, M Aguayo, K Santos… - Cement and Concrete …, 2014 - Elsevier
Temperature changes driven by hydration reactions and environmental loading are a
leading cause of thermal cracking in restrained concrete elements. This work describes …

Competing effects of cohesive energy and cross-link density on the segmental dynamics and mechanical properties of cross-linked polymers

X Zheng, Y Guo, JF Douglas, W Xia - Macromolecules, 2022 - ACS Publications
To develop structure–property relationships for cross-linked thermosetting polymers, it is
crucial to better understand key factors that control their segmental dynamics and …

Molecular mobility and Li+ conduction in polyester copolymer ionomers based on poly (ethylene oxide)

D Fragiadakis, S Dou, RH Colby, J Runt - The Journal of chemical …, 2009 - pubs.aip.org
We investigate the segmental and local dynamics as well as the transport of Li+ cations in a
series of model poly (ethylene oxide)-based single-ion conductors with varying ion content …

Phosphorylcholine-Based Contact Lenses for Sustained Release of Resveratrol: Design, Antioxidant and Antimicrobial Performances, and In Vivo Behavior

M Vivero-Lopez, AF Pereira-da-Mota… - … Applied Materials & …, 2022 - ACS Publications
Design of advanced contact lenses (CLs) demands materials that are safe and comfortable
for the wearers and that preserve the normal eye microbiota, avoiding chronic inflammation …

[HTML][HTML] Understanding the role of cross-link density in the segmental dynamics and elastic properties of cross-linked thermosets

X Zheng, Y Guo, JF Douglas, W Xia - The Journal of Chemical Physics, 2022 - pubs.aip.org
Cross-linking is known to play a pivotal role in the relaxation dynamics and mechanical
properties of thermoset polymers, which are commonly used in structural applications …

Influence of chain stiffness on the segmental dynamics and mechanical properties of cross-linked polymers

X Zheng, W Nie, Y Guo, JF Douglas, W Xia - Macromolecules, 2023 - ACS Publications
We extend previous systematic investigations of a family of model coarse-grained polymer
network-forming materials by focusing on the influence of varying molecular rigidity on basic …

Enthalpy recovery of glassy polymers: Dramatic deviations from the extrapolated liquidlike behavior

VM Boucher, D Cangialosi, A Alegría… - Macromolecules, 2011 - ACS Publications
We performed a systematic study on the recoverable enthalpy in several glass-forming
polymers. We found that after prolonged isothermal physical aging the enthalpy reaches a …

Competing effects of molecular additives and cross-link density on the segmental dynamics and mechanical properties of cross-linked polymers

W Nie, JF Douglas, W Xia - ACS Engineering Au, 2023 - ACS Publications
The introduction of molecular additives into thermosets often results in changes in their
dynamics and mechanical properties that can have significant ramifications for diverse …