Jul 5, 2024 · The storage modulus for the CE Joncryl ADR-4400 is the highest, followed by the CE PMDA, showing that the CE Joncryl ADR-4400 is the most efficient chain extender, forming longer...
Feb 25, 2024 · In this context, reactive processing of recycled poly (ethylene terephthalate) (rPET) with pyromellitic dianhydride (PMDA) offers a frequently studied modification approach to optimize...
Aug 1, 2004 · A commercial-scale reactive extrusion processing system for recycled poly(ethylene terephthalate) (PET) flakes with an added chain extender, pyromellitic dianhydride (PMDA), was...
Oct 6, 2022 · It was observed that PMDA and JONCRYL induce a more drastic increase in melt strength and melt elasticity than BOZ and PBO due to chain branching. In a second step, melt...
The use of chain extenders is advisable when the aim is the prevention of thermal degradation of polymers during processing. The most commonly used chain extenders are TPP,...
Jan 1, 2008 · In this work pyromellitic dianhydride (PMDA) was used as a chain extender to increase the molecular weight of polyethylene-terephthalate (PET) industrial scraps with low intrinsic...
