Effect of phosphorus-containing modified UiO-66-NH2 on flame retardant and mechanical properties of unsaturated polyester

被引：18
作者：
Fan, Xiaoling [1 ,2 ,3 ]
Xin, Fei [1 ,2 ,3 ]
Zhang, Wenchao [1 ,2 ,3 ]
Liu, Haoyu [1 ,2 ,3 ]
机构：
[1] Beijing Technol & Business Univ, Coll Chem & Mat Engn, Beijing 100048, Peoples R China
[2] China Light Ind Engn Technol Res Ctr Adv Flame Re, Beijing 100048, Peoples R China
[3] Petr & Chem Ind Engn Lab Nonhalogen Flame Retarda, Beijing 100048, Peoples R China
来源：
REACTIVE & FUNCTIONAL POLYMERS | 2022年 / 174卷
关键词：
Metal organic frameworks; Phosphazene derivative; Unsaturated polyester; Flame retardancy; Impact performance; ORGANIC FRAMEWORK UIO-66; AMMONIUM POLYPHOSPHATE; THERMAL-STABILITY; FACILE SYNTHESIS; ADSORBENT; BEHAVIOR; ACID; ALPI; GO;
D O I：
10.1016/j.reactfunctpolym.2022.105260
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
A novel phosphorus-containing flame retardant PZN@UiO-66-NH2 was synthesized by covalent bonding between HCCP and UiO-66-NH2, and applied in unsaturated polyester (UPR). The Fourier transform infrared spectroscopy (FTIR), X-ray photoelectron energy spectra (XPS), scanning electron microscopy (SEM) was used to confirm the chemical structure of PZN@UiO-66-NH2. The appearance of new P-N-C bond indicated that HCCP was successfully reacted with UiO-66-NH2. The thermal stability and the flame-retardant properties of the UPR composites were characterized by thermogravimetric analysis (TGA), limiting oxygen index (LOI) and cone calorimeter test. The limiting oxygen index (LOI) of UPR composite with 4 wt% PZN@UiO-66-NH2 can reach 23.9%. Compared with pure UPR, the peak heat release rate (PHRR) value, total heat release (THR) value and average effective heat of combustion (av-EHC) value of UPR composite with 4 wt% PZN@UiO-66-NH2 dropped by 36.53%, 28.70%, 23.50%, respectively. The addition of PZN@UiO-66-NH2 slightly improved the impact performance of UPR composite. PZN@UiO-66-NH2 can solve UiO-66-NH2's agglomeration dilemma in UPR to some extent.
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页数：10
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