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Abstract  

The synergistic effects of zinc oxide (ZnO) with layered double hydroxides (LDH) in ethylene vinyl acetate copolymer/LDH (EVA/LDH) composites have been studied using thermal analysis (TG), limiting oxygen index (LOI), UL-94 tests, and cone calorimeter test (CCT). The results from the UL-94 tests show that the ZnO can also act as flame retardant synergistic agents in the EVA/LDH composites. The CCT data indicated that the addition of ZnO in EVA/LDH system can greatly reduce the heat release rate. The TG data show that the ZnO can increase the thermal degradation temperature and the charred residues after burning.

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Investigation of thermal degradation behavior and fire performance of halogen-free flame retardant poly(1,4-butylene terephthalate) composites . J Appl Polym Sci 122 : 1480 – 1488 10.1002/app.34119 . 7

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price in flame retardancy of PP. But some of them are limited in use because of the evolution of toxic gases and corrosive smoke during combustion [ 3 ]. Therefore, lots of attention has been focused on halogen-free flame retardant. The halogen-free

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melamine–formaldehyde (MF) shell was selected to replace APP to prepare flame-retarded EP/cellulose composite. It is well known that intumescent flame retardant (IFR) is a promising halogen-free flame-retardant method and are usually composed of an acid

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-3910(01)00184-7 . 23. Lu , S , Hamerton , I 2002 Recent developments in the chemistry of halogen-free flame retardant polymers . Prog Polym Sci 27 : 1661 – 1712 10.1016/S0079-6700(02)00018-7 . 24

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.03.010 . 4. Modesti M Lorenzetti A . Halogen-free flame retardants for polymeric foams . Polym Degrad Stab. 2002 ; 78 : 167 – 73 http

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– 418 10.1007/s12221-009-0413-1 . 15. Chaing , CL , Chang , RC . 2009 . Synthesis, characterization and properties of halogen-free flame retardant PMMA nanocomposites containing nitrogen

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.1016/S0141-3910(02)00040-X . 6. Lu , SY , Hamerton , I 2002 Recent developments in the chemistry of halogen-free flame retardant polymers . Prog Polym Sci 27 : 1661 – 1712 10.1016/S0079

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