A review on microphase separation measurement techniques for polyurethanes

M Gholami, V Haddadi-Asl… - Journal of Plastic Film & …, 2022 - journals.sagepub.com
Polyurethanes (PUs) microstructure and characteristics is strongly affected by microphase
separation that arises from the thermodynamic immiscibility between the hard and soft …

Water‐triggered stiffening of shape‐memory polyurethanes composed of hard backbone dangling PEG soft segments

W Liu, A Wang, R Yang, H Wu, S Shao… - Advanced …, 2022 - Wiley Online Library
Shape‐memory polymers (SMPs) induced by heat or water are commonly used candidates
for biomedical applications. Shape recovery inevitably leads to a dramatic decrease of …

Advancements in the development of biostable polyurethanes

PA Gunatillake, LS Dandeniyage, R Adhikari… - Polymer …, 2019 - Taylor & Francis
Strategies to design biostable polyurethanes are briefly reviewed to understand the effect of
the polyurethane chemical structure on mechanical properties and resistance to degradation …

Isocyanate-free, thermoplastic polyhydroxyurethane elastomers designed for cold temperatures: Influence of PDMS soft-segment chain length and hard-segment …

S Hu, X Chen, JM Torkelson - Polymer, 2022 - Elsevier
Abstract Polydimethylsiloxane (PDMS)-based, segmented polyhydroxyurethanes (PHUs)
was synthesized from Bisphenol A (BPA) dicarbonate and diamine-terminated PDMS. Two …

Novel shape-memory polyurethane fibers for textile applications

M Sáenz-Pérez, T Bashir, JM Laza… - Textile Research …, 2019 - journals.sagepub.com
In this work, thermoresponsive shape-memory polyurethane (SMPU) fibers were produced
by melt spinning from different SMPU pellets. Afterwards, the knitted fabric samples were …

Coarse-grained molecular simulation of the role of curing rates on the structure and strength of polyurea

M Liu, J Ye, J Oswald - Computational Materials Science, 2023 - Elsevier
We present a reactive coarse-grained model that can more accurately simulate the interplay
between step-growth polymerization and phase segregation in elastomeric copolymers such …

ReaxFF reactive force field model enables accurate prediction of physiochemical and mechanical properties of crystalline and amorphous shape‐memory …

MM Afroz, YK Shin, ACT van Duin… - Journal of Applied …, 2023 - Wiley Online Library
We investigate reactive force field (ReaxFF) prediction of physiochemical and mechanical
properties, and stimuli response behavior of a shape‐memory polyurethane (SMPU) rigid …

Structural and viscoelastic properties of thermoplastic polyurethanes containing mixed soft segments with potential application as pressure sensitive adhesives

M Fuensanta, JM Martín-Martínez - Polymers, 2021 - mdpi.com
Thermoplastic polyurethanes (TPUs) were synthetized with blends of poly (propylene
glycol)(PPG) and poly (1, 4-butylene adipate)(PAd) polyols, diphenylmethane-4, 4 …

Influence of hard segment content and diisocyanate structure on the transparency and mechanical properties of poly (dimethylsiloxane)-based urea elastomers for …

N Riehle, K Athanasopulu, L Kutuzova, T Götz… - Polymers, 2021 - mdpi.com
The effect of hard segment content and diisocyanate structure on the transparency and
mechanical properties of soft poly (dimethylsiloxane)(PDMS)-based urea elastomers (PSUs) …

Self-assembly of a patterned hydrophobic-hydrophilic surface by soft segment microphase separation in a segmented polyurethane: Combined experimental study …

H Vakili, M Mohseni, H Makki, H Yahyaei, H Ghanbari… - Polymer, 2020 - Elsevier
Designing surfaces with patterns of varying wettability is of significant importance for many
applications. This fascinating feature is inspired by nature where it is vital for the survival of …