نتایج جستجو برای: polyethylene g maleic anhydride

تعداد نتایج: 475573  

Journal: :polyolefins journal 0
mohammadreza rahnama department of plastics engineering, iran polymer and petrochemical institute, p.o.box14975/112, tehran, i.r. iran abdulrasoul oromiehie department of plastics engineering, iran polymer and petrochemical institute, p.o.box14975/112, tehran, i.r. iran shervin ahmadi department of plastics engineering, iran polymer and petrochemical institute, p.o.box14975/112, tehran, i.r. iran ismaeil ghasemi department of plastics engineering, iran polymer and petrochemical institute, p.o.box14975/112, tehran, i.r. iran

in this research, high oxygen-barrier films were organized based on low-density polyethylene (ldpe)/ ethylene vinyl alcohol (evoh)/ polyethylene-grafted maleic anhydride (ldpe-g-ma) compatibilizer. the effects of 10–30 wt. % evoh and 0–10 wt. % ldpe-g-ma loadings on the properties of final films were evaluated. the morphology of specimens was observed by using scanning electron microscopy (sem)...

Journal: :International Journal of Technology: IJ Tech 2022

This work succeeded in synthesizing sponges from chitosan-graft-maleic anhydride. Chitosan and maleic anhydride at a certain mass ratio (1:2, 1:1; 2:1) were reacted dimethyl sulfoxide (DMSO) 60

2012
Ping’an Song Youming Yu Qiang Wu Shenyuan Fu

In this letter, nanocomposites based on maleic anhydride grafted high density polyethylene (HDPE-g-MA) and amine-functionalized nanodiamond (ND) were fabricated via one-step reactive melt-blending, generating a homogeneous dispersion of ND, as evidenced by transmission electron microscope observations. Thermal analysis results suggest that addition of ND does not affect significantly thermal st...

2015
Jong-Seok Park Youn-Mook Lim Young-Chang Nho

Polyurethane (PU) is a very popular polymer that is used in a variety of applications due to its good mechanical, thermal, and chemical properties. However, PU recycling has received significant attention due to environmental issues. In this study, we developed a recycling method for waste PU that utilizes the radiation grafting technique. Grafting of waste PU was carried out using a radiation ...

Journal: :Chemical communications 2014
Qingliang He Tingting Yuan Xingru Yan Zhiping Luo Neel Haldolaarachchige David P Young Suying Wei Zhanhu Guo

Polypropylene grafted maleic anhydride (PP-MA, 2500 g mole(-1)) has demonstrated its unique capability to synthesize 1-D ferromagnetic hard (292.7 Oe) γ-Fe2O3 nanochains made of ~24 nm nanoparticles vs. PP-MA with 8000 g mole(-1) for the synthesis of 1-D ferromagnetic soft (70.5 Oe) γ-Fe2O3 nanochains (30 nm) made of flowerlike nanoparticles.

Journal: :Journal of Polymers and The Environment 2021

This work aimed to investigate the biopolyethylene (BioPE)/wood powder (WP) composites compatibilized with polyethylene-grafted maleic anhydride (PE-g-MA), using macaíba oil (OM) as a processing aid. The were prepared, fist, in an internal mixer and, later, crushed flakes molded by injection. Mechanical properties (impact, tensile, flexural and Shore D hardness), heat deflection temperature (HD...

2011
Yanjun Xu Sun-Young Lee Qinglin Wu

The effect of chemical treatment at fiber–plastic interface and fiber loading level on creep property of bamboo fiber high-density polyethylene (BF/HDPE) composites was investigated. For single modifier systems, the use of maleic anhydride grafted polyethylene (PE-g-MA) as a coupling agent helped reduce the creep and achieved the optimum effect at the 5.7% loading level. The addition of either ...

Journal: :Nanotechnology reviews 2021

Abstract This article presents the assessment of bulk and in situ mechanical properties rubber–wood–plastic composites (RubWPC) their correlations, aiming to obtain a thorough understanding behaviour RubWPC, which is an essential prerequisite realising optimal design applications. Dynamic analysis results showed that treated with multiple coupling agents (combination maleic anhydride polyethyle...

Journal: :polyolefins journal 2015
sepideh gomari ismaeil ghasemi mohammad karrabi hamed azizi

nanocomposites based on polyamide 6 (pa6) and poly(ethylene-co-1-butene)-graft-maleic anhydride (eb-g-mah) blends have been prepared via melt mixing. the effect of blend ratio and organoclay concentration onthe crystallization and melting behavior of specimens were studied. three types of commercial organo-modifiedclay (cloisite 30b, cloisite 15a and cloisite 20a) were employed to assess the im...

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