Synthesis and characterization of functional eugenol derivative based layered double hydroxide and its use as a nanoflame-retardant in epoxy resin
作者： Cheng Li , Jintao Wan , Ehsan Naderi Kalali , Hong Fan , De-Yi Wang
DOI: 10.1039/C4TA05740F
关键词:
摘要: Aiming to develop a multi-functional flame retardant for epoxy resins, novel bio-based eugenol derivative containing silicon and phosphorus [((1,1,3,3-tetramethyldisiloxane-1,3-diyl)bis(propane-3,1-diyl))bis(2-methoxy-4,1-phenylene)bis(phenylphosphonochloridate), SIEPDP] was synthesized, further used modify Mg–Al layered double hydroxide (SIEPDP-LDH). This modified SIEPDP-LDH as nanoflame-retardant bisphenol resins compared with unmodified pristine LDH. X-ray diffraction (XRD) analysis justified that intercalation of SIEPDP into LDH increased the interlayer distance 2.95 nm. Morphological (XRD TEM) revealed dispersed well in matrix partially exfoliated manner. Results from cone calorimeter tests showed even low loading resin led significant decrease heat release rate total LDH/epoxy composites. More interestingly, SIEPDP-LDH/epoxy's UL-94 classification passed V-0 only 8 wt% loading. Moreover, addition enabled increase impact strength modulus cured epoxy. These data indicated could serve not nanoflame but good reinforcing agent well.
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