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Effect of the surface modification of ammonium polyphosphate on the structure and property of melamine–formaldehyde resin microencapsulated ammonium polyphosphate and polypropylene flame retardant composites

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Abstract

Two kinds of ammonium polyphosphate (APP) including untreated APP and surface-modified APP treated by a silane coupling agent were microencapsulated by MF resin. Then PP/MCAPP flame-retardant material was prepared. The results indicated that the coating of MF microencapsulated surface-modified APP was more uniform and complete, and its thermal stability was higher than that of MF-microencapsulated untreated APP. Furthermore, the LOI value of PP/MCAPP (MF-microencapsulated surface-modified APP) composites was 30 and it could pass the UL-94 V-0 test; moreover, the water resistance of the composites was better than that of PP/MCAPP (MF-microencapsulated untreated APP).

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Acknowledgments

The authors gratefully acknowledge the financial support from the National Natural Science Foundation of China (Contract No. 51273219 and 5142106), the National Key Basic Research Program of China (973 Program, No. 2012CB025902), the Fundamental Research Funds for the Central Universities (No. 2013SCU04A03) and the Foundation of State Key Laboratory of Polymer Materials Engineering (Grant No. sklpme2014-3-12).

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Authors and Affiliations

  1. State Key Laboratory of Polymer Materials Engineering, College of Polymer Science and Engineering, Sichuan University, Chengdu, 610065, Sichuan, People’s Republic of China

    Huai-wen Yan, Jia-li Wei, Bo Yin & Ming-bo Yang

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  1. Huai-wen Yan
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  2. Jia-li Wei
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  3. Bo Yin
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  4. Ming-bo Yang
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Correspondence to Bo Yin.

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Yan, Hw., Wei, Jl., Yin, B. et al. Effect of the surface modification of ammonium polyphosphate on the structure and property of melamine–formaldehyde resin microencapsulated ammonium polyphosphate and polypropylene flame retardant composites. Polym. Bull. 72, 2725–2737 (2015). https://doi.org/10.1007/s00289-015-1432-2

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  • DOI: https://doi.org/10.1007/s00289-015-1432-2

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