نتایج جستجو برای: polyethylene structure

تعداد نتایج: 1594296  

Journal: :Journal of the Society of Materials Science, Japan 2004

Journal: :Journal of Physics: Condensed Matter 2021

Abstract Polyethylene (PE) telechelics with carboxylate functional groups at both ends have been shown to assemble into hexagonal nanocrystal platelets a height defined by their chain length in basic CsOH-solution. In this coarse grained (CG) simulation study we show how properties of the alter aggregation and crystallization behavior those telechelics. Systematic variation parameters CG model ...

Journal: :X-ray Structure Analysis Online 2022

The structure of [{Rh2II,II(O2CCH3)4}{Pt2II,II(acam)2(NH3)4}2(PF6)4·C24H48O12]n (acam = acetamidate) was determined via X-ray crystallography. substance crystallizes in a triclinic system, and is described as follows: P-1, 10.8370(3), b 11.4188(4), c 19.4055(7)Å, α 84.079(3)°, β 89.031(3)°, γ 62.366(3)°, Z 2, V 2114.77(13) Å3. crystal solved by direct methods refined full-matrix least-squares o...

Journal: :Molecules 2012
Feng Lv Bo Cao Yanli Cui Tianjun Liu

Zinc phthalocyanine labelled polyethylene glycol was prepared to track and monitor the in vivo fate of polyethylene glycol. The chemical structures were characterized by nuclear magnetic resonance and infrared spectroscopy. Their light stability and fluorescence quantum yield were evaluated by UV-Visible and fluorescence spectroscopy methods. The interaction of zinc phthalocyanine labelled poly...

Journal: :IOP Conference Series: Materials Science and Engineering 2021

Journal: :Tanzania journal of science 2021

The present study aimed to analyze the application of waste material from copper production– slag (ŻŻL) as filler for composites based on high-density polyethylene (HDPE). Copper was introduced in amounts 1–20 wt%, and its influence appearance (color analysis), chemical structure (Fourier-transform infrared (FTIR) spectroscopy), microstructure (optical microscopy), well static (tensile tests) d...

Journal: :E3S web of conferences 2023

The article presents the results of a study on development petrochemical industry, which is part structure fuel and energy complex Kazakhstan. industry country carried out through creation cluster construction plants for production products (polyethylene, butadiene, polypropylene, polyethylene terephthalate), are geographically located in western region country, where main hydrocarbon reserves ...

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