High‐Toughness CO2‐Sourced Ionic Polyurea Adhesives
Sign Up to like & getrecommendations! Published in 2024 at "Advanced Materials"
DOI: 10.1002/adma.202312906
Abstract: Polyurea (PUa) adhesives are renowned for their exceptional adhesion to diverse substrates even in harsh environments. However, the presence of quadruple bidentate intermolecular hydrogen bonds in the polymer chains creates a trade‐off between cohesive energy… read more here.
Keywords: energy; co2; polyurea; pua adhesives ... See more keywords
Polyurea‐Amide Based Thin‐Film Composite Nanofiltration Membrane With Improved Acid Resistance
Sign Up to like & getrecommendations! Published in 2025 at "Journal of Applied Polymer Science"
DOI: 10.1002/app.57147
Abstract: Polyurea emerges as a promising material for acid nanofiltration membranes due to its high hydrogen‐bonding capacity and low electron density from carbonyl groups. However, conventional polyurea‐based composite membranes suffer from limited separation performance and acid… read more here.
Keywords: nanofiltration; film composite; thin film; polyurea ... See more keywords
Improving damping property of carbon-fiber reinforced epoxy composite through novel hybrid epoxy-polyurea interfacial reaction
Sign Up to like & getrecommendations! Published in 2019 at "Composites Part B: Engineering"
DOI: 10.1016/j.compositesb.2019.01.064
Abstract: Abstract A Carbon-fiber reinforced Hybrid- Matrix Composite (CHMC) was designed to improve the material damping property in conventional carbon-fiber reinforced epoxy (CF/E) through the interfacial reaction of two reactive polymeric compounds: still-curing epoxy-based phase I… read more here.
Keywords: fiber reinforced; damping property; epoxy polyurea; carbon fiber ... See more keywords
Near field underwater explosion response of polyurea coated composite cylinders
Sign Up to like & getrecommendations! Published in 2018 at "Composite Structures"
DOI: 10.1016/j.compstruct.2018.04.048
Abstract: Abstract The response of composite cylinders to near field underwater explosive (UNDEX) loading, including the effects of polyurea coatings, have been studied through experiments with corresponding computational simulations. Experiments were conducted on woven E-glass/epoxy roll… read more here.
Keywords: response; field underwater; near field; polyurea ... See more keywords
Polyurea coating for foamed concrete panel: An efficient way to resist explosion
Sign Up to like & getrecommendations! Published in 2020 at "Defence Technology"
DOI: 10.1016/j.dt.2019.06.010
Abstract: Abstract Autoclaved aerated concrete (AAC) panels have ultra-light weight, excellent thermal insulation and energy absorption, so it is an ideal building material for protective structures. To improve the blast resistance of the AAC panels, three… read more here.
Keywords: explosion; polyurea coating; polyurea; blast resistance ... See more keywords
Easy preparation of porous polyurea through copolymerization of toluene diisocyanate with ethylenediamine and its use as absorbent for copper ions
Sign Up to like & getrecommendations! Published in 2018 at "Reactive and Functional Polymers"
DOI: 10.1016/j.reactfunctpolym.2018.10.010
Abstract: Abstract Porous and functional polyurea (PPU) is prepared through a very simple one-step precipitation copolymerization of toluene diisocyanate and ethylenediamine in acetonitrile, and is shown to have high adsorption for Cu2+ ions with high selectivity… read more here.
Keywords: adsorption; copolymerization toluene; toluene diisocyanate; ppu ... See more keywords
Rational Design of a Robust Flexible Triblock Polyurea Copolymer Protective Layer for High-Performance Lithium Metal Batteries.
Sign Up to like & getrecommendations! Published in 2022 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.2c19226
Abstract: Dendrite growth and volume expansion in lithium metal are the most important obstacles affecting the actual applications of lithium metal batteries. Herein, we design a robust flexible artificial solid electrolyte interphase layer based on a… read more here.
Keywords: metal batteries; design robust; polyurea; lithium ... See more keywords
Preparation of STF-loaded micron scale polyurethane polyurea double layer microcapsules and study on the mechanical properties of composites
Sign Up to like & getrecommendations! Published in 2023 at "RSC Advances"
DOI: 10.1039/d2ra08111c
Abstract: In this study, we report on a novel and effective approach for the encapsulation of the shear thickening fluid in polyurethane polyurea double layer microcapsules. Under the action of dibutyltin disilicate as a catalyst, CD-MDI… read more here.
Keywords: double layer; stf; polyurea; polyurea double ... See more keywords
Performance Study and Formulation Optimization of Rapid‐Curing Local Insulating Spray Coating Materials
Sign Up to like & getrecommendations! Published in 2024 at "Advances in Polymer Technology"
DOI: 10.1155/2024/2230714
Abstract: With the increasing incidence of bird damage affecting the reliability of transmission lines, addressing bird pest control has become an important task for the operation and maintenance of transmission lines. A viable solution involves the… read more here.
Keywords: spray; polyurea elastomers; performance polyurea; performance ... See more keywords
Experimental Study on the Effect of Hardness on the Erosion Resistance of Coatings and Rubber for Hydropower Applications
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Testing and Evaluation"
DOI: 10.1520/jte20180775
Abstract: Polymeric coatings are used to protect concrete hydropower structures from damage by particle-laden, fast-moving water. In this research, a new experimental method is proposed to simulate this tribosystem. Test materials are submerged in an agitated… read more here.
Keywords: experimental study; erosion resistance; erosion; polyurea ... See more keywords
Explosion Test and Numerical Simulation of Coated Reinforced Concrete Slab Based on BLAST Mitigation Polyurea Coating Performance
Sign Up to like & getrecommendations! Published in 2022 at "Materials"
DOI: 10.3390/ma15072607
Abstract: The mechanical strength, thermal stability, thermal performance, and microstructure of Qtech T26 blast mitigation polyurea (T26 polyurea) were studied using quasi-static and dynamic mechanical experiments, thermogravimetric experiments, differential scanning calorimetry (DSC), scanning electron microscopy (SEM)… read more here.
Keywords: explosion; blast mitigation; polyurea; coated reinforced ... See more keywords