Mechanical and thermal properties of poly(vinyl chloride) composites filled with carbon microspheres chemically modified by a biopolymer coupling agent
Source abstract
Abstract
Abstract In this study, carbon microspheres (CMSs) were prepared using l (+)-ascorbic acid by hydrothermal carbonization and then modified with a polyether titanate coupling agent (eTi4000) and a self-synthesized biopolymer coupling agent (CCS), respectively. These modified CMSs (mCMSs) were added into poly(vinyl chloride) (PVC) to prepare mCMSs/PVC composites. The results suggest that CCS has a better modification effect than eTi4000, which imparts CCS-CMSs/PVC composites with good thermal stability and mechanical properties. The impact strength of CCS-CMSs/PVC composite (8.7 kJ m−2) is remarkably increased by 64.2% compared with that of CMSs/PVC composite (5.3 kJ m−2), and its rapidest decomposition temperature (309 °C) is increased by 29 °C and 16 °C in comparison with that of PVC and CMSs/PVC composite, respectively. The interfacial interaction between PVC and mCMSs is evaluated by dielectric loss and DMA. In conclusion, CCS is an effective biopolymer coupling agent that can endow CCS-CMSs/PVC composites with good comprehensive properties.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: biodegradable polymer synthesis and properties · Polymer Nanocomposites and Properties · Polymer Science and PVC
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (28)
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