نتایج جستجو برای: grafted copolymer
تعداد نتایج: 22029 فیلتر نتایج به سال:
Modification of Xanthan Gum with Methyl Methacrylate and Investigation of Its Rheological Properties
Xanthan gum modification is considered a significant step in improving shearing, thermal degradation performance, and rheological properties. This paper investigates the rheology properties of grafted copolymer based on xanthan methyl methacrylate (XG-g-MMA), including shear stress viscosity versus rate. The XG-g-MMA was synthesized with different composition ratios (MMA) (1:1.6, 1:5, 1:8 wt.%)...
Superabsorbent polymer was prepared by graft polymerization of acrylic acid onto the chain of cellulose from flax shive by using potassium persulfate (KPS) as an initiator and N,N-methylenebisacrylamide (MBA) as a crosslinker under microwave irradiation. SEM photographs were also studied for more information about the shive, cellulose from shive, and the superabsorbent polymer. The structure of...
A robust nanogenerator based on poly(tert-butyl acrylate) (PtBA)-grafted polyvinylidene difluoride (PVDF) copolymers via dielectric constant control through an atom-transfer radical polymerization technique, which can markedly increase the output power, is demonstrated. The copolymer is mainly composed of α phases with enhanced dipole moments due to the π-bonding and polar characteristics of th...
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