Articles with "ppda" as a keyword



Preparation of Grafted Long‐Lasting Aging‐Resistant Natural Rubber and Its Performance Study

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Published in 2025 at "Polymers for Advanced Technologies"

DOI: 10.1002/pat.70196

Abstract: The molecular structure of natural rubber (NR) comprises several unsaturated double bonds, rendering it susceptible to aging, which diminishes the functional value of rubber goods. This study suggests a method for preparing grafted natural rubber… read more here.

Keywords: ppda; resistant natural; rubber; performance ... See more keywords

Evaluation of physicochemical properties and catalytic activity of poly(PMDAH-co-ODA/PPDA) nanocomposites towards the removal of toxic pollutants.

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Published in 2021 at "Chemosphere"

DOI: 10.1016/j.chemosphere.2021.129890

Abstract: Synthesis of Polyimides (PIs) between pyromellitic dianhydride (PMDAH) and oxydianiline (ODA) or p-phenylenediamine (PPDA) in the presence and absence of V2O5 and Ag nanoparticles (NPs) were carried out under N2 atmosphere at 160 °C for 5 h… read more here.

Keywords: ppda; evaluation physicochemical; physicochemical properties; pmdah ... See more keywords