A Bridge-Linked Phosphorus-Containing Flame Retardant for Endowing Vinyl Ester Resin with Low Fire Hazard
作者:Zihui Xu、Jing Zhan、Zhirong Xu、Liangchen Mao、Xiaowei Mu、Ran Tao
DOI:10.3390/molecules27248783
日期:——
The high flammability of vinyl ester resin (VE) significantly limits its widespread application in the fields of electronics and aerospace. A new phosphorus-based flame retardant 6,6'-(1-phenylethane-1,2 diyl) bis (dibenzo[c,e][1,2]oxaphosphinine 6-oxide) (PBDOO), was synthesized using 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (DOPO) and acetophenone. The synthesized PBDOO was further incorporated
乙烯基酯树脂(VE)的高可燃性极大地限制了其在电子和航空航天领域的广泛应用。一种新型磷基阻燃剂 6,6'-(1-phenylethane-1,2 diyl) bis (dibenzo[c,e][1,2]oxaphosphinine 6-oxide) (PBDOO),使用 9,10 合成-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (DOPO) 和苯乙酮。合成的 PBDOO 进一步与 VE 结合形成 VE/PBDOO 复合材料,显示出改进的阻燃性和更高的热稳定性。使用傅立叶变换红外光谱 (FTIR) 和核磁共振 (NMR) 研究了 PBDOO 的结构。通过热重分析(TGA)、垂直燃烧试验(UL-94)、极限氧指数(LOI)、和锥形量热法。还检查了 PBDOO 重量百分比 (wt%) 对形成的 VE/PBDOO 复合材料的阻燃性能的影响。当应用 15