Results 51 to 60 of about 387,622 (301)

Preparation and thermal properties of flame retardant phthalonitrile/epoxy blends

open access: yesScience and Engineering of Composite Materials, 2012
The blends were successfully prepared by the copolymerization of 2,2-bis [4-(3, 4-dicyanophenoxy) phenyl] propane (BAPh) and epoxy resins E-44 (EP) in the presence of 4,4′-diaminodiphenyl sulfone (DDS) as curing additive.
Zhao Xin   +3 more
doaj   +1 more source

Solid state polymerization: its action on thermal and rheological properties of PET/PC reactive blends [PDF]

open access: yesPolímeros, 2013
The solid state polymerization (SSP) of PET/PC reactive extrusion blends - with and without cobalt catalyst - at different polymer ratios was studied. Thermal and rheological evaluations were performed. DSC results showed changes in the PET's Tg, Tch, Tm
Luis C. Mendes, Patrícia S.C. Pereira
doaj   +1 more source

Population of Nonmetallic Inclusions in Liquid High‐Silicon Electrical Steel in Contact With MgO–C Refractories Based on Recyclates and Environmentally Friendly Binders

open access: yesAdvanced Engineering Materials, EarlyView.
The formation of nonmetallic inclusions (NMIs) was investigated in this study, carrying out immersion tests for 30 min at a temperature of 1600°C with liquid high‐silicon electrical steel (Si ≈ 3 mass‐%) and different MgO–C refractories. Conventional MgO–C refractories were considered, as well as MgO–C refractories containing MgO–C recyclate and ...
Lukas Neubert   +6 more
wiley   +1 more source

Thermophysical, and rheological insights of polyethylene/wax blends

open access: yesFrontiers in Chemical Engineering
Blending wax with polyethylene (PE) has garnered significant attention in recent years due to its potential to enhance processing capabilities of polyethylene-based products. The miscibility of polyethylene and low molecular mass wax blends is a critical
Thobile L. Mhlabeni   +3 more
doaj   +1 more source

A crucialidade da fonologia: um outro olhar sobre blends lexicais no português brasileiro

open access: yesRevista Linguística, 2023
O presente trabalho se presta a analisar os blends lexicais no português brasileiro tomando um outro ponto de vista em relação ao qual foi tomado por Nóbrega e Minussi (2015).
Felipe da Silva Vital   +1 more
doaj   +1 more source

Blended E85-diesel fuel droplet heating and evaporation [PDF]

open access: yes, 2019
The multidimensional quasi-discrete (MDQD) model is applied to the analysis of heating and evaporation of mixtures of E85 (85 vol % ethanol and 15 vol % gasoline) with diesel fuel, commonly known as “E85–diesel” blends, using the universal quasi-chemical
Al Qubeissi, Mansour   +3 more
core   +2 more sources

Raman Spectroscopic Identification of Oxide Phases in a Corroded MgO–Steel Composite Anode Used in Aluminum Molten Salt Electrolysis

open access: yesAdvanced Engineering Materials, EarlyView.
Micro‐Raman spectroscopy is applied to characterize corrosion products in a recycled‐based MgO–316L steel composite anode after molten salt electrolysis. A depth‐dependent Fe–O/Fe–Al–O layer sequence of magnetite, hercynite, and an Al‐doped magnetite transition zone is identified.
Felix Drechsler   +9 more
wiley   +1 more source

Interaction of MgO Recyclate‐Based Cermet Anode With KF‐AlF3‐Al2O3 at 800°C During Laboratory Scale Aluminum Molten Salt Electrolysis

open access: yesAdvanced Engineering Materials, EarlyView.
A carbon‐free, as‐sintered MgO–steel cermet anode, fabricated via cold isostatic pressing using MgO–C refractory recyclate, was evaluated under laboratory‐scale K‐cryolite electrolysis at 800°C. Operation at this reduced temperature, combined with the electrolyte's limited electrical conductivity, led to an increase in cell voltage.
Farhan Hossain   +7 more
wiley   +1 more source

Films of poly (L - lactic acid) / poly(hydroxybutyrate-co-hydroxyvalerate) blends: in vitro degradation

open access: yesMaterials Research, 2001
Biocompatible and biodegradable polymers have been studied in the last few years with good clinical success in the fixation and stabilization of bone fractures.
B.M.P. Ferreira   +2 more
doaj   +1 more source

Local and chain dynamics in miscible polymer blends: A Monte Carlo simulation study

open access: yes, 2005
Local chain structure and local environment play an important role in the dynamics of polymer chains in miscible blends. In general, the friction coefficients that describe the segmental dynamics of the two components in a blend differ from each other ...
de Gennes P.-G.   +8 more
core   +1 more source

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