Antibacterial and anti-flaming PA6 composite with metathetically prepared nano AgCl@BaSO

2021, Volume 15, Issue 2

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Frontiers of Chemical Science and Engineering >> 2021, Volume 15, Issue 2 doi: 10.1007/s11705-020-1942-9

Antibacterial and anti-flaming PA6 composite with metathetically prepared nano AgCl@BaSO

. Key Laboratory of Sustainable Resources Processing and Advanced Materials of Hunan Province, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China.. National & Local Joint Engineering Laboratory for New Petro-chemical Materials and Fine Utilization of Resources, Hunan Normal University, Changsha 410081, China

Received: 2020-04-22 Accepted: 2020-06-23 Available online: 2020-06-23

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Abstract

In this study, a facile and environmentally friendly method with low energy consumption for preparing nanoscale AgCl and BaSO co-precipitates (AgCl@BaSO co-precipitates) was developed based on the metathetical reaction. Then, the dried co-precipitates were melt-compounded with polyamide 6 (PA6) resins at a specified mass ratio in a twin-screw extruder. The results demonstrated that in the absence of any coating agent or carrier, the nanoparticles of AgCl@BaSO co-precipitates were homogeneously dispersed in the PA6 matrix. Further analysis showed that after the addition of AgCl@BaSO co-precipitates, the antibacterial performance, along with the flame-retardance and anti-dripping characteristics of PA6, was enhanced significantly. In addition, the PA6 composites possessed high spinnability in producing pre-oriented yarn.

Keywords

nano AgCl@BaSO₄ co-precipitates ; antibacterial ; flame resistance ; PA6 composite ; PA6 yarn

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