Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
7889403 | Composites Part A: Applied Science and Manufacturing | 2018 | 49 Pages |
Abstract
The potential prospect of hexagonal boron nitride (h-BN) in the fields of polymer composites is severely limited by undesirable exfoliation efficiency and chemical inertness. Herein, bio-based dopamine was employed toward exfoliating bulk h-BN with hydrogen bond action and imparting a highly-active surface. With assistance of polypodamine, SnO2 nanoparticles were in-situ synthesized and strengthened the interfacial interaction between h-BN and epoxy (EP) matrix. The integrated function of metal oxide/h-BN toward flame retardant and smoke suppression of polymer materials was firstly studied and obtained, in term of reduced peak heat release rate (decreased by 41.1%), lower total heat release (decreased by 30.1%), and suppressed total smoke production (decreased by 21.6%). In addition, the mechanism for enhancements on flame retardant and smoke suppression of EP composites was systematically investigated. Such a design route simultaneously achieves the exfoliation and functionalization of h-BN, thus offering an active platform for further functionalization modification.
Related Topics
Physical Sciences and Engineering
Materials Science
Ceramics and Composites
Authors
Wei Cai, Wenwen Guo, Ying Pan, Junling Wang, Xiaowei Mu, Xiaming Feng, Bihe Yuan, Bibo Wang, Yuan Hu,