Materiales

 

Materiales

Successful preparation of a biopolymeric nanocarrier enables controlled release of antinociceptive monoterpene for local pain management after transdermal barrier permeation
12/04/2024 - Improvement of the heat aging and compression permanent deformation resistance of HNBR by N,N??bismaleimide?4,4??diphenylmethane.AbstractThis paper delves to improve the upper?limit temperature of...
Heat-resistant luminescent films: a thermal study of fluorene/thiophene copolymer-elastomer blends
08/04/2024 - The luminescent properties of conjugated copolymers could be harmed due to thermo-oxidative degradation, limiting their applications. To overcome these problems, incorporating flexible and stable...
Optimized Tribological Performance of Nitrogen-Doped Diamond-like Carbon Films on NBR: Influence of Bias Voltage of DC Magnetron Sputtering
24/03/2024 - In this research, nitrogen-doped diamond-like carbon (N-DLC) coatings were deposited on Nitrile Butadiene Rubber (NBR) substrates using direct current magnetron sputtering (DC-MS) under varying bias...
A Systematic Investigation of the Kinetic Models Applied to the Transport Behaviors of Aromatic Solvents in Unfilled Hydrogenated Nitrile Rubber/Ethylene Propylene Diene Monomer Composites
25/03/2024 - Kinetic models of solvent transport behaviors are widely used in rubber–solvent systems, and some key points are still worthy of attention. In this work, the...
Establishment of strain rate?dependent intrinsic models for short?cut carbon fiber/nitrile composites in different pyrolysis states
22/03/2024 - This study tested CF/NBR composites at various heat treatment temps, establishing factors for a model that accurately predicts material properties during heating.Flexible nozzle extension technology...
Correction to “Facile synthesis of cardanol?based reactive diluents and application for anti?shrinkage UV?curable resins”
10/03/2024 - Mixing process of SBR?P and XNBR.AbstractThe blending of different elastomers can greatly broaden the application range of rubber materials. However, due to the poor compatibility between polar...
Dynamic co?ordination networks in carboxylated nitrile rubber and development of self?healing and recyclable rubber composites
24/02/2024 - Metal–ligand coordinated cross?linked polymeric composites that can alter the network topology via a dynamic bond?exchange mechanism have been recognized as very promising candidates to address the...
An Evaluation of the Luminous Performance of a School Environment Integrating Artificial Lighting and Daylight
08/02/2024 - The energy performance of buildings has been extensively studied at the Federal University of São Carlos, Brazil in order to achieve energy conservation and reduce environmental...
Thermodynamic Parameters of Crosslinked Elastomers (BR, SBR and NBR) and Their Blends
28/01/2024 - Herein, a methodology is employed based on the Flory–Rehner equation for estimating the Flory–Huggins interaction parameter (χ12*) of crosslinked elastomer...
Advantages of using a dual?filler system with carbon black and rockwool fiber on Nitrile Rubber composites from a technical standpoint
28/01/2024 - Carbon black and rockwool fiber dual?filler system on nitrile rubber composites.This study produced and characterized composites based on nitrile rubber reinforced with rockwool fiber (RW) and carbon...
Fluorographene and carbon nanotubes fillers reinforced nitrile butadiene rubber with enhanced mechanical, wear and oil resistant properties
18/01/2024 - In this work, we prepared nitrile butadiene rubber (NBR) composites with fluorographene (FG) and carbon nanotubes (CNTs) as hybrid fillers by a solution?blending method. The resulting composites...
Comparison of Two Methods for Measuring the Temperature Dependence of H2 Permeation Parameters in Nitrile Butadiene Rubber Polymer Composites Blended with Fillers: The Volumetric Analysis Method and the Differential Pressure Method
19/01/2024 - Hydrogen uptake/diffusivity in nitrile butadiene rubber (NBR) blended with carbon black (CB) and silica fillers was measured with a volumetric analysis method in the 258–323 K...
Systematic Investigation of the Degradation Properties of Nitrile-Butadiene Rubber/Polyamide Elastomer/Single-Walled Carbon Nanotube Composites in Thermo-Oxidative and Hot Oil Environments
12/01/2024 - The physical blending method was used in order to prepare nitrile-butadiene rubber/polyamide elastomer/single-walled carbon nanotube (NBR/PAE/SWCNT) composites with better thermal-oxidative aging...
A feasible way to modify microcrystalline cellulose powder and its reinforcing effect for NBR composites
03/01/2024 - The comparision of the tensile strength of our work and previous works.It has attracted tremendous attention for replacing petroleum?based carbon black or mineral fillers with renewable,...
Phosphorus?containing benzoxazine modified epoxy resin: High flame retardancy, low dielectric, and low water absorption
22/12/2023 - HNBR and NBR gaskets: prediction and decision making.AbstractAmong several available rubbers used in gaskets for plate heat exchangers, the selection of the appropriate material for each operation...
Effects of cross?linked networks on dielectric properties of epoxy resins based on molecular dynamics
26/12/2023 - Friction properties of graphene reinforced NBR composites after thermal oxidation aging.AbstractWe established friction models for pure NBR, GNS/NBR, and GO/NBR composites through molecular dynamics...
Effect of Hydrothermal Aging on the Tribological Performance of Nitrile Butadiene Rubber Seals
26/12/2023 - High temperature and humidity affect the tribological performance of nitrile butadiene rubber (NBR) seals, which affects the precise positioning of cylinder systems. Therefore, it is crucial to study...
HNBR and NBR gasket rubbers for plate heat exchangers: Thermo?oxidative aging and service lifetime prediction
22/12/2023 - Changes in the crystalline morphology, thermal, mechanical, and rheological properties of rHDPE pellets and films during preparation and processing.AbstractThis study investigated the effects of...
Effects of Peroxide and Sulfur Curing Systems on Physical and Mechanical Properties of Nitrile Rubber Composites: A Comparative Study
22/12/2023 - This study compares the effect of sulfur and dicumyl peroxide (DCP) vulcanizing systems on the physical and mechanical properties of rubber compounds based on acrylonitrile butadiene rubber (NBR)....
Using carboxyl groups to improve the compatibility of XNBR/lignin composites
20/12/2023 - Tensile stress vs strain curves for rubber composites with different carboxyl groups contents, with or without lignin.The paper and pulp industry produces lignin as a byproduct, which could be a...
Shungite/poly(vinyl alcohol) hybrid hydrogels: An efficient adsorption material for rare earth metals in aqueous media
12/12/2023 - Carboxylated acrylonitrile butadiene rubber/cryptocrystalline graphite prepared by latex blending showed a smoother worn surface, less and smaller wear debris, and lower steady state friction...