نتایج جستجو برای: eva copolymer

تعداد نتایج: 15700  

2009
Jinu Jacob George Anil K. Bhowmick

A series of ethylene vinyl acetate (EVA) nanocomposites using four kinds of EVA with 40, 50, 60, and 70 wt% vinyl acetate (VA) contents and three different carbon-based nanofillers-expanded graphite (EG), multi-walled carbon nanotube (MWCNT), and carbon nanofiber (CNF) have been prepared via solution blending. The influence of the matrix polarity and the nature of nanofillers on the morphology ...

Journal: :Brazilian dental journal 2007
Neide Pena Coto Reinaldo Brito e Dias Ricardo Aurélio COSTA Tatiana Fioresi ANTONIAZZI Eduardo Pena Coto de Carvalho

In the present investigation, an experimental dental arch model fabricated in epoxy was assayed in Kratos universal testing machine to study the mechanical behavior of ethylene and vinyl acetate copolymer (EVA) in the form of mouthguard for sports and flat plate. The following variables were considered: thickness (3 and 4-mm plates), temperature (room and mouth temperature) and presence/absence...

Journal: :Life 2023

The lining materials of plantar orthoses are chosen for their hardness, breathability, and moisture absorption, but without there being any clear scientific criterion. Thermographic analysis would provide information about the thermal response sole foot, thereby allow choice to be adapted in accordance with this objective study was evaluate temperatures after use three different characteristics...

Journal: :Crystals 2021

The notable photophysical characteristics of perovskite quantum dots (PQDs) (CsPbBr3) are suitable for optoelectronic devices. However, the performance PQDs is unstable because their surface defects. One way to address instability passivate using different organic (polymers, oligomers, and dendrimers) or inorganic (ZnS, PbS) materials. In this study, we performed steady-state spectroscopic inve...

Journal: :Solar Energy Materials and Solar Cells 2022

In this paper, a novel fracture mechanics test-setup was developed, implemented and applied for assessment of the fatigue delamination behavior glass/encapsulant laminates under superimposed mechanical stresses environmental influences. Double cantilever beam (DCB) specimens with glass substrates were prepared using ethylene vinyl-acetate copolymer (EVA) or polyolefin elastomer (POE) encapsulan...

2012
Lili Wang Bin Li Xiaohong Zhao Chunxia Chen Jingjing Cao

BACKGROUND The study on the rare earth (RE)-doped layered double hydroxides (LDHs) has received considerable attention due to their potential applications in catalysts. However, the use of RE-doped LDHs as polymer halogen-free flame retardants was seldom investigated. Furthermore, the effect of rare earth elements on the hydrophobicity of LDHs materials and the compatibility of LDHs/polymer com...

Journal: :Polymer Engineering and Science 2021

Objective of this work was to deeper understand the influence a grafted coupling agent in EVA/LLDPE based blends containing mineral filler acting as flame-retardant. (50:50 phr) magnesium-di-hydroxide (MDH) were compounded. For comparison, parts (4%–5%) LLDPE substituted with MAA-g-LLDPE copolymer agent. No observed by differential scanning calorimetry (DSC) thermal analysis. A strong different...

2008
Hans E. Miltner Bruno Van Mele

The present work aims at investigating the thermal properties of a wide range of semicrystalline nanocomposites based on poly(amide)-6 (PA6), ethylene-vinyl acetate copolymer (EVA), poly(ε-caprolactone) (PCL) or polypropylene (iPP), in combination with various types of nanofillers (layered silicates, carbon nanotubes, sepiolite, or POSS). We report on the effect of nanofillers on the quasi-isot...

Journal: :Coatings 2023

To improve laser-capture microdissection (LCM) resolution, we designed a near-field probe LCM system that pushed resolution from 7.5 μm to 400 nm. Here, report transfer film for our constructed system, replacing commercial films used in conventional systems. A low-melting-point ethylene vinyl acetate (EVA) copolymer was chosen as the main material. Adequate concentrations of EVA and near-infrar...

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