Journal
JOURNAL OF APPLIED POLYMER SCIENCE
Volume 137, Issue 40, Pages -Publisher
WILEY
DOI: 10.1002/app.49214
Keywords
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Funding
- Education Minstry of China [Z2016125]
- Xihua University [Z17105]
- Opening Project of State Key Laboratory of Polymer Materials Engineering (Sichuan University) [sklpme 2014-4-35]
- Science and Technology Department of Sichuan Provincial Application Foundation Project [2018JY0171]
- Foundation for Innovative Research Groups of the National Natural Science Foundation of China [51803169]
- Xihua University
- Sichuan University
- State Key Laboratory of Polymer Materials Engineering
- National Natural Science Foundation of China
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In this manuscript, an in situ layered intumescent flame retardant (IFR) of graphene oxide (GO) was used to produce a polybutylene terephthalate (PBT) flame-retardant material with different flame-retardant concentration gradients. IFR was introduced into the GO layered structure via a chemical reaction to achieve an in situ flame-retardant effect. The elements of the composite were characterized using energy dispersive spectroscopy. The results showed that although the subsequent PBT-based flame-retardant composites displayed low flame-retardant content, it exhibited excellent flame retardancy and mechanical properties. Due to the introduction of GO, the flame retardancy of the composites was improved significantly. The lamellar structure of GO provided a barrier allowing it to absorb condensed nucleus compounds. Therefore, continuous and compact scaly carbon layers were formed in the matrix during the burning process.
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