Materiales

Materiales

Preparation and Characterization of Acrylonitrile Butadiene Rubber Reinforced with Bio-Hydroxyapatite from Fish Scale
31/01/2023 - This work aims to enhance the mechanical properties, oil resistance, and thermal properties of acrylonitrile butadiene rubber (NBR) by using the Nile tilapia fish scales as a filler and using...
Molecular-Level Insight of CP52/NBR Damping Composites through a Combination of Molecular Dynamics Simulation and Experimental Method
24/01/2023 - To enhance the damping properties of nitrile butadiene rubber (NBR), the elastomer used was blended with chlorinated paraffin 52 (CP52) to prepare NBR/CP52 composites. The results showed that CP52...
Gamma Attenuation and Mechanical Characteristics of a Lead/NBR/SBR Rubber Composite with Black Nanocarbon Reinforcement
24/01/2023 - In this work, black nanocarbon-loaded 0–100 parts-per-hundred (phr) PbO-filled acrylonitrile butadiene rubber (NBR)/styrene-butadiene rubber (SBR) blend composites were prepared by...
Achieving High Thermal Conductivity and Satisfactory Insulating Properties of Elastomer Composites by Self-Assembling BN@GO Hybrids
19/01/2023 - With increasing heat accumulation in advanced modern electronic devices, dielectric materials with high thermal conductivity (λ) and excellent electrical insulation have attracted...
Effects of Particle Size Distribution of Standard Sands on the Physical-Mechanical Properties of Mortars
15/01/2023 - Obtained natural sands can present different particle size distributions (PSD), although they have the same mineralogical origin. These differences directly influence the physical and mechanical...
Aramid Nanofiber/XNBR Nanocomposite with High Mechanical, Thermal, and Electrical Performance
13/01/2023 - Aramid nanofibers (ANFs) were successfully produced by deprotonation of Kevlar fiber followed by grafting epichlorohydrin in dimethyl sulfoxide solution. The ANFs were then incorporated into...
Load Models Representative of Brazilian Actual Traffic in Girder-Type Short-Span Highway Bridges
12/01/2023 - The Brazilian code NBR 7188 for highway bridge design prescribes a live load model consisting of a 3-axle vehicle plus a uniform load, which are both affected by an impact factor when considering...
Application of Plasticizer Glycerol in Lignosulfonate-Filled Rubber Compounds Based on SBR and NBR
09/01/2023 - The work deals with the application of biopolymer fillers in rubber formulations. Calcium lignosulfonate was incorporated into styrene–butadiene rubber and...
Rubber-Composite-Nanoparticle-Modified Epoxy Powder Coatings with Low Curing Temperature and High Toughness
30/12/2022 - In this study, a rubber-composite-nanoparticle-modified epoxy powder composite coating with low curing temperature and high toughness was successfully fabricated. The effects of...
Thermal?oxidative aging behavior of graphene and graphene oxide?filled nitrile butadiene rubber: A molecular simulation approach
28/12/2022 - Nitrile rubber (NBR) is commonly used as a stator rubber for screw pumps because of its excellent mechanical properties. However, under high?temperature conditions, using NBR for long?term operations...
Manufacturing and Joining PP/NBR Blends in the Presence of Dual Compatibilizer and Halloysite Nanotubes
22/12/2022 - Polypropylene (PP)/acrylonitrile butadiene rubber (NBR) composite plates reinforced with halloysite nanotubes (HNTs) were manufactured in the presence of dual compatibilizers: PP-grafted maleic...
Thermoplastic vulcanizates with an integration of good mechanical performance and excellent resistance to high temperature and oil based on HNBR/TPEE
12/12/2022 - Thermoplastic vulcanizates (TPVs), with a combination of excellent resilience of conventional elastomer and re?processibility of thermoplastic, have been widely explored both in academia and industry...
Investigation of the properties and aging mechanisms of vulcanized hydrogenated nitrile rubber in different mediums
11/12/2022 - Packer rubber cylinders in oil drilling operations must withstand high pressure, high temperature, and destruction of mediums. To ensure the long?term service time of the hydrogenated nitrile rubber...
Surface modification of zirconia by various modifiers to investigate its reinforcing efficiency toward nitrile rubber
07/12/2022 - Three different surface modifiers (SDS: a surfactant, MPS: an organosilane and Tris: an amine buffer) are employed to modify the surface of sol–gel derived in?situ generated zirconia. Effect of...
Calcium-Lignosulfonate-Filled Rubber Compounds Based on NBR with Enhanced Physical–Mechanical Characteristics
07/12/2022 - Calcium lignosulfonate in the amount 30 phr was incorporated into rubber compounds based on pure NBR and an NBR carbon black batch, in which the content of carbon black was 25 phr. Glycerine, as a...
High Performance of Titanium Dioxide Reinforced Acrylonitrile Butadiene Rubber Composites
02/12/2022 - Recently, dielectric elastomer actuators (DEA) have emerged as one of the most promising materials for use in soft robots. However, DEA needs a high operating voltage and high mechanical properties....
Generating crosslinking network in XNBR based on copper (I)–carboxylate interaction
30/11/2022 - Carboxylated nitrile rubber (XNBR) is crosslinked via metal–ligand coordination bond by simple mixing and compounding as an alternate to chemically rich traditional vulcanization route. Basis of...
Physical and mechanical properties of kenaf/flax hybrid composites
22/11/2022 - Progression of aging time and temperature?induced an increase in compression set, hardness, and cross?link density. In high temperatures, non?uniform aging of the NBR gaskets was observed due to the...
Microstructural based constitutive modeling and subsurface microhardness prediction in machining of network-structured TiBw/TA15 composites
01/02/2023 - There is a gap that should be filled in a deeper understanding of the potential role played by multiple microstructures in the material mechanical properties during the machining of...
Molecular dynamics simulations of defective carbon nanotubes on the aging and friction properties of nitrile butadiene rubber composites
17/11/2022 - Molecular modeling of defective carbon nanotubes, RD antioxidants, nitrile butadiene rubber and mechanical properties.The thermal?oxidative aging (TOA) and tribological properties of rubber had...
Tea?polyphenols mediated interfacial modifier to integrate reinforcement, reprocessability, and shape memory properties into rubber/carbon black composites via coordination bonds
16/11/2022 - Carbon blacks are important fillers to reinforce, functionalize rubber materials and reduce their prices. However, environment?friendly surface modification of carbon blacks is not trivial to...