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Bio-based adenosine triphosphate pillared layered double hydroxide for enhancing flame retardancy of polypropylene
Abstract A novel and bio-based adenosine triphosphate (ATP) pillared MgAl layered double hydroxide (LDHs-ATP) was fabricated via calcination-reconstruction, followed by the incorporation of a highly efficient flame retardant into polypropylene (PP). The XRD result indicated that the interlayer channel of LDHs-ATP was increased to 16.6 Å. Indeed, the increase of the LDHs-ATP interlayer spacing promoted the uniform dispersion and thermal stability, which were further proved by the SEM and TG-DTG results. As expected, the PP/LDHs-ATP composite reached a LOI value of 29.1% and created a UL-94 V-0 rating with only 20 wt% LDHs-ATP loading. Furthermore, CCT illustrated that the peak heat release rate (PHRR), total heat release (THR) and total smoke release (TSR) of PP/LDHs-ATP composite exhibited a series of decreases of 55.9%, 39.5% and 56.4%, respectively, compared with that of Neat PP.
Graphical abstract Display Omitted
Highlights A bio-based ATP pillared hydrotalcite (LDHs-ATP) was successfully fabricated. With 20 wt% LDHs-ATP, the PP/LDHs-ATP reached LOI of 29.1% and got UL-94 V0 rating. The improvements attributed to synergistic effect from LDHs and ATP.
Bio-based adenosine triphosphate pillared layered double hydroxide for enhancing flame retardancy of polypropylene
Abstract A novel and bio-based adenosine triphosphate (ATP) pillared MgAl layered double hydroxide (LDHs-ATP) was fabricated via calcination-reconstruction, followed by the incorporation of a highly efficient flame retardant into polypropylene (PP). The XRD result indicated that the interlayer channel of LDHs-ATP was increased to 16.6 Å. Indeed, the increase of the LDHs-ATP interlayer spacing promoted the uniform dispersion and thermal stability, which were further proved by the SEM and TG-DTG results. As expected, the PP/LDHs-ATP composite reached a LOI value of 29.1% and created a UL-94 V-0 rating with only 20 wt% LDHs-ATP loading. Furthermore, CCT illustrated that the peak heat release rate (PHRR), total heat release (THR) and total smoke release (TSR) of PP/LDHs-ATP composite exhibited a series of decreases of 55.9%, 39.5% and 56.4%, respectively, compared with that of Neat PP.
Graphical abstract Display Omitted
Highlights A bio-based ATP pillared hydrotalcite (LDHs-ATP) was successfully fabricated. With 20 wt% LDHs-ATP, the PP/LDHs-ATP reached LOI of 29.1% and got UL-94 V0 rating. The improvements attributed to synergistic effect from LDHs and ATP.
Bio-based adenosine triphosphate pillared layered double hydroxide for enhancing flame retardancy of polypropylene
Hu, Jie (author) / Xu, Sheng (author) / Ma, Jia-Xin (author) / Wu, Kun (author) / Guo, Yi-Hui (author) / Ding, Ling-Zhi (author) / Peng, Jin-Feng (author) / Hu, Qing (author) / Wang, Han (author) / Zeng, Hong-Yan (author)
Applied Clay Science ; 217
2021-12-28
Article (Journal)
Electronic Resource
English
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