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Effect of functionalized graphene oxide with phosphaphenanthrene and isocyanurate on flammability, mechanical properties, and thermal stability of epoxy composites
Journal of Applied Polymer Science ( IF 2.7 ) Pub Date : 2019-12-03 , DOI: 10.1002/app.48761 Zhiheng Shao 1, 2 , Hongchao Wang 1 , Meng Li 1 , Ting Chen 1 , Yiting Xu 1 , Conghui Yuan 1 , Birong Zeng 1 , Lizong Dai 1
Journal of Applied Polymer Science ( IF 2.7 ) Pub Date : 2019-12-03 , DOI: 10.1002/app.48761 Zhiheng Shao 1, 2 , Hongchao Wang 1 , Meng Li 1 , Ting Chen 1 , Yiting Xu 1 , Conghui Yuan 1 , Birong Zeng 1 , Lizong Dai 1
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Maleic anhydride, 9, 10‐dihydro‐9‐oxa‐10‐phosphaphenanthrene‐10‐oxide, and 1, 3, 5‐triglycidyl isocyanurate functionalized graphene oxide (GO) was prepared in this paper. The resultant phosphorus‐nitrogen functionalized GO called GOMT was homogeneously dispersed and incorporated into diglycidyl ether of bisphenol A to prepare composites. The char residue of GOMT/EP composites increased and its LOI value increased to 28.1% with UL‐94 V‐1 rating. T
g of composite containing 1 phr GOMT increases to 165.6 °C, and the storage modulus of the sample with 3 phr GOMT was increased by 19% compared with pure EP. Furthermore, the elastic modulus and flexural strength of epoxy composite with 5 phr GOMT were increased by 17.9 and 26.7% at room temperature, respectively. Besides, the incorporation of GOMT into EP significantly reduces the PHRR and THR of the matrix. Therefore, the as‐designed GOMT not just obviously enhances the flame retardancy with low loading but raises the mechanical behavior and thermal stability of epoxy resins. © 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2020, 137, 48761.
中文翻译：
官能化氧化石墨烯与磷菲和异氰脲酸酯对环氧复合材料可燃性，机械性能和热稳定性的影响
本文制备了顺丁烯二酸酐，9，10-二氢-9-oxa-10-磷酸苯并菲-10，和1，3，5-三缩水甘油基异氰脲酸酯官能化氧化石墨烯（GO）。将得到的磷-氮官能化的GO（称为GOMT）均匀分散并掺入双酚A的二缩水甘油醚中，以制备复合材料。在UL‐94 V‐1等级下，GOMT / EP复合材料的残炭增加，其LOI值提高至28.1％。Ť g ^ 含有1 phr GOMT的复合材料的最大比重增加到165.6°C，而含有3 phr GOMT的样品的储能模量与纯EP相比增加了19％。此外，室温下5 phr GOMT的环氧复合材料的弹性模量和弯曲强度分别提高了17.9和26.7％。此外，将GOMT掺入EP中可显着降低基质的PHRR和THR。因此，设计好的GOMT不仅显着提高了低负荷下的阻燃性，而且还提高了环氧树脂的机械性能和热稳定性。分级为4 +©2019 Wiley Periodicals，Inc.J.Appl。Polym。科学 2020，137，48761。
更新日期：2020-03-02
中文翻译：
官能化氧化石墨烯与磷菲和异氰脲酸酯对环氧复合材料可燃性，机械性能和热稳定性的影响
本文制备了顺丁烯二酸酐，9，10-二氢-9-oxa-10-磷酸苯并菲-10，和1，3，5-三缩水甘油基异氰脲酸酯官能化氧化石墨烯（GO）。将得到的磷-氮官能化的GO（称为GOMT）均匀分散并掺入双酚A的二缩水甘油醚中，以制备复合材料。在UL‐94 V‐1等级下，GOMT / EP复合材料的残炭增加，其LOI值提高至28.1％。Ť g ^ 含有1 phr GOMT的复合材料的最大比重增加到165.6°C，而含有3 phr GOMT的样品的储能模量与纯EP相比增加了19％。此外，室温下5 phr GOMT的环氧复合材料的弹性模量和弯曲强度分别提高了17.9和26.7％。此外，将GOMT掺入EP中可显着降低基质的PHRR和THR。因此，设计好的GOMT不仅显着提高了低负荷下的阻燃性，而且还提高了环氧树脂的机械性能和热稳定性。分级为4 +©2019 Wiley Periodicals，Inc.J.Appl。Polym。科学 2020，137，48761。
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