Effects of modified carbon nanotubes with different sizes on properties of epoxy shape memory polymers
Source abstract
Abstract
Abstract Shape memory polymers (SMPs) have occupied an important role in material application, in which the contribution of various fillers on the enhancement of their low mechanical and thermal properties is indispensable. Lots of excellent researches on carbon nanotubes improving comprehensive performance have been accomplished, while few comparative studies about carbon nanotubes with different sizes. In the present study, epoxy shape memory composites of multi‐walled carbon nanotubes/epoxy matrix (MWCNTs/epoxy) were prepared, in which MWCNTs with different sizes modified through epoxidation act as enhancement filler. The results indicated that MWCNTs with smaller size possess an efficient effect on improving mechanical properties, and MWCNTs with larger size achieve higher enhancement on increasing heat resistance as the filler content is low (0.1%, 0.2%). Furthermore, the effect of MWCNTs on shape recovery ratio and shape recovery speed of composites has also been systematically investigated.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Polymer composites and self-healing · Conducting polymers and applications · Silicone and Siloxane Chemistry
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Faculty of Petroleum Engineering China University of Petroleum (East China) Qingdao China
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