The effect of aluminum phosphinate on char formation of phosphorus-containing deoxybenzoin polymer

被引：2
|
作者：
Hu, Xilong [1 ]
Wang, Yan [1 ]
Yu, Junrong [1 ]
Zhu, Jing [1 ]
Hu, Zuming [1 ]
机构：
[1] Donghua Univ, Coll Mat Sci & Engn, State Key Lab Modificat Chem Fibers & Polymer Mat, Shanghai 201620, Peoples R China
来源：
HIGH PERFORMANCE POLYMERS | 2018年 / 30卷 / 09期
关键词：
Deoxybenzoin; char formation; phosphorus-containing; aluminum diethlyphosphinate; FLAME RETARDANCY MECHANISMS; THERMAL-DEGRADATION; CARBON MATERIALS; PHOSPHATE; BLENDS; FIBER;
D O I：
10.1177/0954008317735161
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The introduction of aluminum diethlyphosphinate (AlPi; <2% by weight) to 4,4 '-bishydroxydeoxybenzoin-polyphosphonates (BHDB-PPNs) increased the char yield rate of BHDB-PPN from about 54% to 63% at 600 degrees C. The increase of char yield rate might be attributed to the reaction among the degraded products from AlPi and BHDB-PPN to form stable intermediates which increased the activation energy of cleavage of P-C bond in the BHDB-PPN and reduced the release of benzene to the gas phase. It was found that the char yielded from BHDB-PPN and BHDB-PPN/AlPi comprised about 90% carbon element, which was characterized as main sp(2) carbon structure by Raman spectrum.
引用
收藏
页码：1019 / 1026
页数：8
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