Startseite Morphology Influence of Nanoporous Nickel Phosphate on Intumescent Flame Retardant Polypropylene Composites
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Morphology Influence of Nanoporous Nickel Phosphate on Intumescent Flame Retardant Polypropylene Composites

  • S.-B. Nie , X. Dong , J.-N. Yang und G.-L. Dai
Veröffentlicht/Copyright: 27. Juli 2018
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Abstract

The morphology of nanoporous nickel phosphate (NP) has a close relationship with its properties, so in this work NP with needle-like and mushroom-like shape was synthesized. Then NP with needle-like and mushroom-like shape was applied in intumescent flame retardant polypropylene (PP) composites. With the addition of suitable content of NP, both mushroom-like and needle-like NP can improve the combustion and thermal properties of intumescent flame retardant PP composites. Needle-like NP shows a better thermal ant flame retardant synergist effect with intumescent flame retardants compared to mushroom-like NP. However, mushroom-like NP shows a better effect on smoke suppression. With the addition of suitable content of needle-like NP, the peak heat release rate of flame retardant PP composite decreases by 68.2 % comparing with that of the pure PP, and decreases by 23.8 % comparing with that of flame retardant PP composite without NP. The maximum weight loss temperature of PP composites can be increased from 408 °C to 485 °C with the addition of needle-like NP. Furthermore, the pyrolysis products of flame retardant PP composite with needle-like NP were investigated. From the research, it provides a further understanding of the influence on synergic effects in intumescent flame retardant systems.


*Correspondence address, Mail address: Ji-nian Yang, School of Materials Science and Engineering, Anhui University of Science and Technology, Huainan, Anhui, 232001, PRC, E-mail:

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Received: 2017-03-28
Accepted: 2017-08-24
Published Online: 2018-07-27
Published in Print: 2018-08-10

© 2018, Carl Hanser Verlag, Munich

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