Applications of characterization methods in polyurethane materials: analysis of microphase-separated structures

Q Zhang, X Lin, W Chen, K Jiang… - Applied Spectroscopy …, 2022 - Taylor & Francis
Polyurethanes (PUs) have been versatilely applied in various fields because of their
preferable properties with both elasticity and hardness. Due to the thermodynamic …

Reexamination of the microphase separation in MDI and PTMG based polyurethane: Fast and continuous association/dissociation processes of hydrogen bonding

Z Kong, Q Tian, R Zhang, J Yin, L Shi, WB Ying, H Hu… - Polymer, 2019 - Elsevier
Microphase separation and hard segment packing in polyurethanes remain areas of active
research interest in order to optimize their performances. In this work, a commercial …

[HTML][HTML] The effect of hydrogen bond on the thermal and mechanical properties of furan epoxy resins: molecular dynamics simulation study

W Li, J Ma, S Wu, J Zhang, J Cheng - Polymer Testing, 2021 - Elsevier
The hydrogen bonds (H-bonds) are employed for the thermal and mechanical property
enhancement of epoxy networks; however, the formation and evolution of H-bonds …

Molecular dynamics simulation insight into the temperature dependence and healing mechanism of an intrinsic self-healing polyurethane elastomer

X Chen, J Zhu, Y Luo, J Chen, X Ma… - Physical Chemistry …, 2020 - pubs.rsc.org
An intrinsic self-healing polyurethane (PU) elastomer was synthesized in our previous work.
In this work, three-dimensional (3D) micro-crack models based on experimental samples …

Hybrid and biocompatible cellulose/polyurethane nanocomposites with water-activated shape memory properties

L Urbina, A Alonso-Varona, A Saralegi… - Carbohydrate …, 2019 - Elsevier
Water-activated shape memory bacterial cellulose/polyurethane nanocomposites were
prepared by the immersion of bacterial cellulose (BC) wet membranes into waterborne …

Mechanically robust self-repairing polyurea elastomers: The roles of hard segment content and ordered/disordered hydrogen-bonding arrays

Z Shen, J Chen, G Li, G Situ, X Ma, Y Sha… - European Polymer …, 2022 - Elsevier
It has been a challenge to impart high strength and toughness to room-temperature self-
repairing polyurethane/polyurea materials. We report a room-temperature self-repairing …

Dissipative particle dynamics study on the temperature dependent interfacial tension in surfactant-oil-water mixtures

S Wang, S Yang, R Wang, R Tian, X Zhang… - Journal of Petroleum …, 2018 - Elsevier
Abstract Effects of cationic (CATB) and anionic (SDBS) surfactants on the interfacial tension
(IFT) of surfactant/oil/water system at different temperatures are predicted using coarse …

Experimental investigation of polyurethane seal failure used in hydraulic system

PS Mahankar, AS Dhoble, R Prabhu - Engineering Failure Analysis, 2023 - Elsevier
In the hydraulic system, investigation of seal failure is very important for reliable operation.
The U-cup seal of thermosetting amorphous polyurethane material was tested to analyze the …

A comparison of non-isocyanate and HDI-based poly (ether urethane): Structure and properties

Z Shen, L Zheng, C Li, G Liu, Y Xiao, S Wu, J Liu… - Polymer, 2019 - Elsevier
DMC-derived poly (ether urethanes) were prepared via isocyanate-free route. The
transurethanization reaction of the non-isocyanate route needs higher temperature as …

Fluoride-responsive debond on demand adhesives: Manipulating polymer crystallinity and hydrogen bonding to optimise adhesion strength at low bonding …

TS Babra, M Wood, JS Godleman, S Salimi… - European Polymer …, 2019 - Elsevier
This paper reports the solvent-free synthesis of a series of six fluoride responsive debond-on-
demand polyurethane (PU) adhesives that contain a silyl functionalised degradable unit …