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
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
Ballistic Performance of Polyurea-Reinforced Ceramic/Metal Armor Subjected to Projectile Impact
Sign Up to like & getrecommendations! Published in 2022 at "Materials"
DOI: 10.3390/ma15113918
Abstract: Although polyurea has attracted extensive attention in impact mitigation due to its protective characteristics during intensive loading, the ballistic performance of polyurea-reinforced ceramic/metal armor remains unclear. In the present study, polyurea-reinforced ceramic/metal armor with different… read more here.
Keywords: metal armor; polyurea; ballistic performance; armor ... See more keywords
Cosolvent-Driven Interfacial Polymerization for Superior Separation Performance of Polyurea-Based Pervaporation Membrane
Sign Up to like & getrecommendations! Published in 2021 at "Polymers"
DOI: 10.3390/polym13081179
Abstract: A thin-film composite (TFC) polyurea membrane was fabricated for the dehydration of an aqueous tetrahydrofuran (THF) solution through interfacial polymerization, wherein polyethyleneimine (a water-soluble amine monomer) and m-xylene diisocyanate (an oil-soluble diisocyanate monomer) were reacted… read more here.
Keywords: separation performance; polyurea; membrane; interfacial polymerization ... See more keywords
Polyurea Aerogels: Synthesis, Material Properties, and Applications
Sign Up to like & getrecommendations! Published in 2022 at "Polymers"
DOI: 10.3390/polym14050969
Abstract: Polyurea is an isocyanate derivative, and comprises the basis for a well-established class of polymeric aerogels. Polyurea aerogels are prepared either via reaction of multifunctional isocyanates with multifunctional amines, via reaction of multifunctional isocyanates and… read more here.
Keywords: polyurea aerogels; polyurea; via reaction; material properties ... See more keywords