Core–Shell Structured Polyamide 66 Nanofibers with Enhanced Flame Retardancy | Zendy

Linhong Xiao | Zendy; Linli Xu | Zendy; Yuying Yang | Zendy; Sheng Zhang | Zendy; Yong Huang | Zendy; Christopher W. Bielawski | Zendy; Jianxin Geng | Zendy

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Core–Shell Structured Polyamide 66 Nanofibers with Enhanced Flame Retardancy

Author(s) -

Linhong Xiao,

Linli Xu,

Yuying Yang,

Sheng Zhang,

Yong Huang,

Christopher W. Bielawski,

Jianxin Geng

Publication year - 2017

Publication title -

acs omega

Language(s) - English

Resource type - Journals

ISSN - 2470-1343

DOI - 10.1021/acsomega.7b00397

Subject(s) - nanofiber , materials science , fire retardant , polyamide , electrospinning , polymer , composite material , differential scanning calorimetry , combustion , thermogravimetric analysis , chemical engineering , chemistry , organic chemistry , physics , engineering , thermodynamics

We report the preparation of polymer nanofibers with enhanced flame retardancy by coaxial electrospinning polyamide 66 (PA 66) and nanoscale graphene hybridized with red phosphorus (NG-RP). Transmission electron microscopy and energy-dispersive X-ray spectroscopy revealed that the nanofibers contained a NG-RP-based core surrounded by a PA 66 shell. The flame-retardant characteristics of the nanofibers were investigated by thermal gravimetric analysis, micro combustion calorimetry, and a series of vertical flame tests. The encapsulation of the NG-RP not only enhanced the flame-retardant characteristics of the nanofibers, but also improved their mechanical properties while maintaining the color and luster of the polymer, making the resultant nanofibers appropriate for use in a wide range of applications.

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