Development of waste rice husk/PVC/GO nanocomposite using TA–CaO adduct and ESO as green additives

Abstract

In this study, a biobased composite utilizing waste rice husk ash (RHA) and polyvinyl chloride in a 1:1 ratio was prepared. The composites were prepared in a solventless, green pathway of melt blending using green additives such as tannic acid-calcium oxide (TA–CaO) adduct as a heat stabilizer and epoxidized soybean oil (ESO) as green compatibilizer. The addition of graphene oxide (GO) nanomaterial into the composite improved the thermal, mechanical, chemical and flame resistance properties of the composite. Composite reinforced with 0.5 phr GO, improved the tensile, flexural and, shore D hardness by 34, 37, 14%, respectively. The homogeneous dispersion of the GO layer in reinforced composite was evident from the transmission electron microscopy (TEM) study. Composites with GO as nano reinforcement showed relatively higher flame retardancy due to the synergistic effect of GO and silicon present in RHA. The composite with 0.5 phr loading of GO showed overall improvement in properties among the composites. It is expected that the incorporation of waste RHA along with other renewable bioresource materials will improve biodegradability and decrease the production cost of the composite.

Plasticized polyvinyl chloride/melamine‐cyanurate modified Mg(OH)2@bentonite nanocomposites; mechanical, thermal, and flame retardant properties

“…The mechanical parameters of a polymer nanocomposite can depend on the distribution of fillers, the interaction between them and the polymer matrix. Generally, nano‐structured fillers can enhance the tensile strength of polymers, and the mechanical strength of polymer nanocomposites tends to change with increasing nano‐filler content 58 . The stress–strain curves of the PVC films are illustrated in Figure 11.…”

“…Generally, nano-structured fillers can enhance the tensile strength of polymers, and the mechanical strength of polymer nanocomposites tends to change with increasing nanofiller content. 58 The stress-strain curves of the PVC films are illustrated in Figure 11. Also, the tensile test result data are summarized in Table 4.…”

Kinetic study of mechanical and thermal properties and thermal degradation of PVC composites based on coal gasification fine slag

“…Thank you to its high electrical insulation, outstanding corrosion resistance, and superior abrasion resistance, 1 PVC is extensively used in construction materials, imitation leather coatings, packaging materials, wires and cables, medical composites, and other fields. [2][3][4] However, regardless of its competitive mechanical properties compared to traditional resins, PVC suffers from its low tensile strength and poor thermal properties during processing and use. Consequently, reinforcing the PVC matrix by adding a suitable filler is essential to improve the thermal stability and mechanical properties of PVC to meet the requirements for practical applications.…”

Investigation of thermal and mechanical properties of new nitrogen-rich organic based heat stabilizers for poly (vinyl chloride)

“…In recent years, several studies have been conducted in the fields of nitrogencontaining compound synthesis, sustainable additives for PVC, and the investigation of the thermal and mechanical properties of this polymer as a result of modification with these additives. [18][19][20] Nitrogen-containing compounds such as urea derivatives such as DAU, MAU, and MATU have shown good potential as an organic stabilizer. [21][22][23] These nitrogen-containing organic-based thermal stabilizers indicated an excellent thermal stability for PVC products.…”