Thermal degradation characteristics of polysulfones with benzoxazine end groups

被引：17
|
作者：
Orhan, Tugba [1 ]
Ates, Sahin [2 ]
Hacaloglu, Jale [1 ]
Yagci, Yusuf [2 ]
机构：
[1] Middle E Tech Univ, Dept Chem, TR-06531 Ankara, Turkey
[2] Istanbul Tech Univ, Dept Chem, TR-34469 Istanbul, Turkey
来源：
JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS | 2012年 / 94卷
关键词：
Polysulfone; Polybenzoxazine; Thermal degradation; Pyrolysis mass spectrometry; PYROLYSIS MASS-SPECTROMETRY; PROTON-EXCHANGE MEMBRANES; POLYSTYRENE FRAGMENTATION REACTIONS; POLY(ARYLENE SULFONE)S; THERMOSETTING RESINS; GAS CHROMATOGRAPHY; ETHER SULFONE)S; COPOLYMERS; POLY(ETHER-SULFONE);
D O I：
10.1016/j.jaap.2011.12.001
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Thermal degradation behaviors of phenol and benzoxazine end-capped polysulfone macromonomers (PSU-OH and PSU-P-a) and pre-cured PSU-P-a in the absence and presence of aniline and phenol based benzoxazine monomer (P-a) were investigated via pyrolysis mass spectrometry. A significant increase in thermal stability of both polysulfone and polybenzoxazine chains upon polymerization of benzoxazine end groups was determined compared to phenol-ended polysulfones and aniline based monofunctional polybenzoxazine. Thermal stability of both chain segments depends on concentration of benzoxazine monomer and the chain length of the polysulfone chain. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：146 / 152
页数：7
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