[HTML][HTML] Printable lightweight polymer-based energy harvesting systems: materials, processes, and applications

T Rodrigues-Marinho, N Perinka, P Costa… - Materials Today …, 2023 - Elsevier
Polymer-based flexible energy harvesting systems based on several physical phenomena
such as piezo-, pyro-, thermo-, and triboelectric effects have become increasingly relevant …

State-of-the-Art Polyurea Coatings: Synthesis Aspects, Structure–Properties Relationship, and Nanocomposites for Ballistic Protection Applications

G Toader, A Diacon, SM Axinte, A Mocanu, E Rusen - Polymers, 2024 - mdpi.com
This review presents polyurea (PU) synthesis, the structure–properties relationship, and
characterization aspects for ballistic protection applications. The synthesis of polyurea …

Benign fabrication process of hierarchal porous polyurea microspheres with tunable pores and porosity: Their Pd immobilization and use for hexavalent chromium …

MS Bashir - Chemical Engineering Research and Design, 2021 - Elsevier
Developing new strategies for fabrication of porous materials with tunable morphology
which have fewer environmental impacts is highly desired. Herein, conventional …

[HTML][HTML] Mechanical behavior and failure mechanism of polyurea nanocomposites under quasi-static and dynamic compressive loading

Q Liu, P Chen, Y Guo, J Su, L Han, A Arab, J Yuan - Defence Technology, 2021 - Elsevier
Polyurea is an elastomeric material that can be applied to enhance the protection ability of
structures under blast and impact loading. In order to study the compressive mechanical …

Chemical Structure and Side Reactions in Polyurea Synthesized via the Water–Diisocyanate Synthesis Pathway

T Stern - Polymers, 2023 - mdpi.com
Industrial polyureas are typically synthesized using diisocyanates via two possible
alternative pathways: the extremely quick and highly exothermal diamine–diisocyanate …

Influence of polyurea composite coating on selected mechanical properties of AISI 304 steel

M Duda, J Pach, G Lesiuk - Materials, 2019 - mdpi.com
This paper contains experimental results of mechanical testing of the AISI 304 steel with
composite coatings. The main goal was to investigate the impact of the applied polyurea …

Aromatic versus aliphatic: Hydrogen bonding pattern in chain‐extended high‐performance polyurea

N Iqbal, M Tripathi, S Parthasarathy, D Kumar… - …, 2018 - Wiley Online Library
Polyurea, a reaction product of functional isocyanates and amines, is finding increasing
application in the field of protective coatings, especially for retrofitting purposes. The …

Effect of aromatic chain extenders on polyurea and polyurethane coatings designed for defense applications

G Toader, AE Moldovan, A Diacon, FM Dirloman… - Polymers, 2023 - mdpi.com
The present work describes the synthesis of new versatile polyurea (PU) and polyurethane
(PUR) matrices, including different chain extenders, which facilitate the design of distinct …

Systematic study on interfacial polymerization mechanism of toluene diisocyanate and water for the preparation of polyurea microspheres

MS Bashir, XZ Kong, N Ramzan, M Arif, H Bashir… - Inorganic Chemistry …, 2022 - Elsevier
Polyureas (PU) are important materials in wide range of applications from protective
coatings and catalyst supports to biomaterials for drug release and hydrogels. However, it …

A facile synthesis route of hybrid polyurea-polyurethane-mwcnts nanocomposite coatings for ballistic protection and experimental testing in dynamic regime

G Toader, A Diacon, E Rusen, F Rizea, M Teodorescu… - Polymers, 2021 - mdpi.com
This study describes a simple, practical, inexpensive, improved, and efficient novel method
for obtaining polyurea-polyurethane-multiwall carbon nanotubes (MWCNTs) …