Preparation and performance of an immiscible PVC-HDPE blend compatibilized with maleic anhydride (MAH) via in-situ reactive extrusion

The effects of surface modified date‐palm fiber fillers upon the thermo‐physical performances of high density polyethylene‐polyvinyl chloride blend with maleic anhydride as a grafting agent

“…18 Meanwhile, the disappearance of the carboncarbon double bond (C C) peak of MAH at 1638 cm À1 confirms the maleation reactions between MAH and the PVC and HDPE polymers. 14 These results demonstrate that the MAH efficiently reacted with the hydroxyl groups of the DPFs and was grafted onto both the PVC and HDPE polymers, as seen in Figure 1. These results agree with the SEM micrographs, indicating that DPFs-HDPE-g-PVC composites have a single-phase morphology.…”

“…Their results indicated that the combined alkali‐silane treated jute fibers yielded the greatest improvements in the mechanical performance of the LDPE composite with MAH as additive. Similarly, the present authors previously reported the in situ grafting of immiscible HDPE‐PVC blends with MAH initiated by dicumyl peroxide (DCP) using a twin screw extruder 14 . Recently, several researchers have reported the preparation of bio‐composites and have investigated the effects of treated fiber and matrix maleation 15–17 .…”

“…Furthermore, the peaks at 1737 and 2847 cm −1 due to the CO and CH 2 groups, respectively, exhibit their highest intensities for the G‐Hydro sample, thereby indicating an increase in the number of surface contacts between the hydrolyzed micro cellulose and MAH 18 . Meanwhile, the disappearance of the carbon–carbon double bond (CC) peak of MAH at 1638 cm −1 confirms the maleation reactions between MAH and the PVC and HDPE polymers 14 . These results demonstrate that the MAH efficiently reacted with the hydroxyl groups of the DPFs and was grafted onto both the PVC and HDPE polymers, as seen in Figure 1.…”

“…Similarly, the present authors previously reported the in situ grafting of immiscible HDPE-PVC blends with MAH initiated by dicumyl peroxide (DCP) using a twin screw extruder. 14 Recently, several researchers have reported the preparation of bio-composites and have investigated the effects of treated fiber and matrix maleation. [15][16][17] Other studies have reported that MAH forms bridges between both the hydroxyl groups of the fibers and the polymer matrix.…”

Blending of the Thermodynamically Incompatible Polyvinyl Chloride and High-Pressure Polyethylene Polymers Using a Supercritical Fluid Anti-Solvent Method (SEDS) Dispersion Process

“…The stress-strain behavior and morphology of partially compatible PVC/CPE blends were studied by Zhang and Peixin [6]. The mechanical and thermal properties of an uncompatibilized blend of (PVC/HDPE) were studied by Maou et al [7]. They showed that MAH formed bridges between the PVC and HDPE polymers improved adhesion between the two immiscible polymers, increased the initial thermal degradation temperature of the blend at approximately 31 • C, and increased the glass transition temperature.…”