Results 21 to 30 of about 751,378 (297)
High porosity polyethylene aerogels [PDF]
Polyolefins Journal, 2015 Monolithic aerogels of high molecular weight polyethylene (Mw= 3x106- 6x106 g/mol) have been prepared by solvent extraction with supercritical carbon dioxide from thermoreversible gels prepared in decalin.
Christophe Daniel +2 more
doaj +1 more source
Ciência e Agrotecnologia, 2007 Visou-se com este trabalho, comparar a vida útil de presunto fatiado sem capa de gordura (condicionadas à temperatura entre -1 e 4ºC), usando os tratamentos: sistema de embalagem a vácuo (EV) e sistema de embalagem com atmosfera modificada (AM) (50% de ...
Maria Cristina Bressan +5 more
doaj +1 more source
Influence of xylene on the dielectric response of an organoclay-containing nanocomposite
IET Nanodielectrics, 2020 The dielectric effect, investigated using dielectric spectroscopy and DC dielectric breakdown strength measurements, of introducing xylene into a composite system containing polyethylene, a co-polymer of ethylene and vinyl acetate and an organoclay can ...
Allison V. Shaw +3 more
doaj +1 more source
The physical and thermal properties of modified rotational molding grade silane cross-linked polyethylene compound [PDF]
, 2007 This study is aimed at investigating the physical and thermal properties of the modified rotational molding grade cross-linked polyethylene compound with respect to process ability. Rotational molding grade High Density Polyethylene (HDPE) was blended at
Ahmad, Fareed +2 more
core +1 more source
Research on the Migration and Transformation Behavior of Microplastics in Groundwater Systems and Their Ecological Health Risks [PDF]
E3S Web of ConferencesA comprehensive approach integrating laboratory column experiments, field monitoring, and adsorption-desorption studies was employed to investigate the migration mechanisms of microplastics (MPs) in groundwater systems and their associated compound ...
Xu Haotian
doaj +1 more source
Numerical modeling transient flow in plastic pipes [PDF]
MATEC Web of Conferences, 2019 We present a numerical code for calculating transient flow in plastic pipes, especially in the polyethylene pipe, to analysis effect of material viscoelasticity on water hammer phenomena.
Achak N., Bahrar B., Gueraoui K.
doaj +1 more source
, 2012 The upper limit of the thermal conductivity and the mechanical strength are predicted for the polyethylene chain, by performing the {\it ab initio} calculation and applying the quantum mechanical non-equilibrium Green's function approach.
Jiang, Jin-Wu +3 more
core +1 more source
Surface flashover of oil-immersed dielectric materials in uniform and non-uniform fields [PDF]
, 2009 The applied electrical fields required to initiate surface flashover of different types of dielectric material immersed in insulating oil have been investigated, by applying impulses of increasing peak voltage until surface flashover occurred.
Given, M.J. +6 more
core +1 more source
Industrial Crops and ProductsThe development of high-performance waterborne polyurethane (WPU) from biomass materials represents a significant issue in green industry. In this work, a rosin-based epoxidized soybean oil polyol (RE) was synthesized via a ring-opening reaction between ...
Tao Zhang +13 more
doaj +1 more source
اثر اصلاح کنند ه ها روی فعالیت کاتالیزورهای زیگلر-ناتا و خواص نهایی پلیمر در پلیمرشدن اولفین ها [PDF]
Baspārish, 2015 فعالیت کاتالیزور از مهم ترین پارامترها در فرایندهای پلیمرشدن است. برای یک سامانه کاتالیزوریفعالیت ممکن است به شرایط پلیمرشدن از قبیل دما و فشار وابسته باشد.
رضا بازوند +3 more
doaj +1 more source