TY - JOUR
T1 - Packaging of ZIF-8 into diatomite sealed by ionic liquid and its application in flame retardant polyurea composites
AU - Bi, Xue
AU - Zhang, Zeqi
AU - Song, Kunpeng
AU - Zhang, Xiaoyu
AU - Pan, Ye Tang
AU - Qu, Hongqiang
AU - Vahabi, Henri
AU - He, Jiyu
AU - Yang, Rongjie
N1 - Publisher Copyright:
© 2024 Elsevier Ltd
PY - 2024/9
Y1 - 2024/9
N2 - Diatomaceous earth (DE) has abundant silicon elements and unique pore structure, and has a good application prospect in the field of flame retardants. However, the compatibility between DE and polymers still needs to be improved. In this manuscript, imidazole-based metal organic framework (ZIF-8) was ingeniously filled into the pores of the biomorphic DE as an obstacle, and ternary (Si-P-N) composites (DE@ZIF@ILs) were obtained by introducing phosphorus-containing ionic liquids (ILs) on its surface. It effectively improves the problem of poor mechanical properties of polymer composites caused by large-size DE. The results of the cone test showed that the introduction of DE@ZIF@ILs effectively reduced the fire hazard of polyurea (PUA). The peak heat release rate, total heat release, peak smoke production rate and total smoke production decreased by 49.7%, 45.3%, 53.0% and 41.4%, respectively. This study also explored the specific mechanism of flame retardant and smoke suppression of DE@ZIF@ILs.
AB - Diatomaceous earth (DE) has abundant silicon elements and unique pore structure, and has a good application prospect in the field of flame retardants. However, the compatibility between DE and polymers still needs to be improved. In this manuscript, imidazole-based metal organic framework (ZIF-8) was ingeniously filled into the pores of the biomorphic DE as an obstacle, and ternary (Si-P-N) composites (DE@ZIF@ILs) were obtained by introducing phosphorus-containing ionic liquids (ILs) on its surface. It effectively improves the problem of poor mechanical properties of polymer composites caused by large-size DE. The results of the cone test showed that the introduction of DE@ZIF@ILs effectively reduced the fire hazard of polyurea (PUA). The peak heat release rate, total heat release, peak smoke production rate and total smoke production decreased by 49.7%, 45.3%, 53.0% and 41.4%, respectively. This study also explored the specific mechanism of flame retardant and smoke suppression of DE@ZIF@ILs.
KW - (A) Thermoplastic resin
KW - (B) Flame/fire retardant
KW - (B) Mechanical properties
KW - (B) Thermal properties
UR - http://www.scopus.com/inward/record.url?scp=85194584318&partnerID=8YFLogxK
U2 - 10.1016/j.compositesa.2024.108283
DO - 10.1016/j.compositesa.2024.108283
M3 - Article
AN - SCOPUS:85194584318
SN - 1359-835X
VL - 184
JO - Composites Part A: Applied Science and Manufacturing
JF - Composites Part A: Applied Science and Manufacturing
M1 - 108283
ER -