作者:Shu-Qin Fu、Jian-Wei Guo、Dong-Yu Zhu、Zhe Yang、Chu-Fen Yang、Jia-Xing Xian、Xiong Li
DOI:10.1039/c5ra10887j
日期:——
series of flame retardants (FRs) containing phosphate moieties attached to a bridgehead-substituted adamantane, 1-(diphenyl phosphate) adamantane (DPAd), 1,3-bis(diphenyl phosphate) adamantane (BDPAd), 1,3,5-tris(diphenyl phosphate) adamantane (TDPAd) and 1,3,5,7-tetrakis(diphenyl phosphate) adamantane (TKDPAd), were systematically synthesized in an attempt to develop efficient FRs for polycarbonate
一系列新型阻燃剂(FRs),其含有连接至桥头取代的金刚烷,1-(磷酸二苯酯)金刚烷(DPAd),1,3-双(磷酸二苯酯)金刚烷(BDPAd),1,3,5的磷酸酯部分系统地合成了-三(磷酸二苯酯)金刚烷(TDPAd)和1,3,5,7-四(磷酸二苯酯)金刚烷(TKDPAd),以尝试开发用于聚碳酸酯(PC)的高效阻燃剂。它们的化学结构已通过傅立叶变换红外光谱(FTIR),核磁共振(1 H和31P NMR),元素分析和熔点测量。通过有限氧指数(LOI),UL-94垂直燃烧实验,扫描电子显微镜(SEM),锥形量热仪测试(CCT),热重分析(TGA),FTIR和TGA-FTIR评估了阻燃剂的阻燃效率。对于TKDPAd,在高于381.5°C的高温下,热分解以明显的两步机制进行。在抗滴落剂(0.1 wt%)的存在下,添加8 wt%TKDPAd可以观察到PC / FR中PC / TKDPAd阻燃性能的显着改