Novel polyurea polymers with enhanced mechanical properties

G Toader, E Rusen, M Teodorescu… - Journal of Applied …, 2016 - Wiley Online Library
The present work describes the preparation of a set of new polyurea polymers suitable for
ballistic protection applications by employing different aromatic diamines derivatives with …

Synthesis and characterization of novel poly (amide urea) s, materials with outstanding mechanical properties

N San‐José, A Gómez‐Valdemoro… - Journal of Polymer …, 2007 - Wiley Online Library
Four novel A‐B condensation monomers containing an amine and a carboxylic acid function
are described, along with their polymerization to give main chain aromatic poly (amide urea) …

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 …

Novel quinoline-based polyurethane elastomers. The effect of the hard segment structure in properties enhancement

S Oprea - Journal of Polymer Research, 2012 - Springer
Polyurethane elastomers incorporating a quinoline moiety along their polymeric backbones
and aliphatic, aromatic or heterocyclic crosslinkers have been synthesized and …

Curcumin incorporated polyurethane urea elastomers with tunable thermo-mechanical properties

SAA Shah, M Imran, Q Lian, FK Shehzad, N Athir… - Reactive and Functional …, 2018 - Elsevier
Polyurethane urea (PUU) elastomers were synthesized using 1, 4-diaminobutane (DAB) as
a chain extender, hexamethylene diisocynate (HMDI) as a hard segment and …

Enhancement of mechanical property of modified polyurethane with bis-butyl succinate

TS Vo, TTBC Vo, TT Tien, NT Sinh - Journal of the Turkish Chemical …, 2021 - dergipark.org.tr
In this study, we explore an a new crosslinker (bis-butyl succinate, BBS) with terminal alkyne
group to react with glycidyl azide polymer-based polyurethane (original PU) via “azide …

Solvent-free processes to polyurea elastomers from diamines and diphenyl carbonate

WC Pan, K Liao, CH Lin, SA Dai - Journal of Polymer Research, 2015 - Springer
Two solvent-free processes without using volatile organic chemical (VOC) for making
polyurea elastomers have been successfully developed from diamines and diphenyl …

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 …

Synthesis and characterization of novel linear and cross-linked polyurethane urea elastomers with 2, 3-diaminopyridine in the main chain

S Oprea, VO Potolinca - High Performance Polymers, 2013 - journals.sagepub.com
Novel polyurethane urea containing pyridine moieties in their main chains have been
prepared by a two-step solution polymerization procedure. These polyurethane urea …

Effect of pyridazine content and crosslinker structure on the properties of polyurethane elastomers

S Oprea - Journal of applied polymer science, 2013 - Wiley Online Library
This article studies the development of a series of heterocyclic polyurethanes (PUs) with
various pyridazine content and different crosslinker structure in their main chains. All of the …