Synthesis and Characterization of a Lateral Phthalonitrile Functionalized Main-Chain Polybenzoxazine Precursor

被引：5
|
作者：
Zheng, Jian [1 ,2 ]
Zhang, Yan [1 ,2 ]
Wang, Ying [1 ,2 ]
Gan, Jianqun [1 ,2 ]
Shen, Lu [1 ,2 ]
Luo, FuBin [1 ,2 ]
Liang, Liyan [1 ]
Wu, Kun [1 ]
Lu, Mangeng [1 ]
机构：
[1] Chinese Acad Sci, Guangzhou Inst Chem, Key Lab Cellulose & Lignocellulos Chem, Guangzhou 510650, Guangdong, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100039, Peoples R China
来源：
MACROMOLECULAR RESEARCH | 2016年 / 24卷 / 05期
基金：
中国国家自然科学基金;
关键词：
phthalonitrile; polybenzoxazine; main-chain; high-performance; RING-OPENING POLYMERIZATION; PROMOTED CURE BEHAVIORS; BENZOXAZINE MOIETY; THERMAL-PROPERTIES; SURFACE-PROPERTIES; PHENOLIC MATERIALS; ETHER; MALEIMIDE; RESIN;
D O I：
10.1007/s13233-016-4061-1
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
A lateral phthalonitrile functionalized main-chain polybenzoxazine precursor has been successfully synthesized. The structure was characterized by proton nuclear magnetic resonance (H-1 NMR) and Fourier transform infrared (FTIR). The formation of benzoxazine rings were confirmed by the characteristic resonances observed at about 4.55 (C-CH2-N) and 5.30 ppm (N-CH2-O) and the absorbance at 950 cm(-1) of benzene attached with an oxazine ring. The curing behavior was monitored by differential scanning calorimetry (DSC) and in situ FTIR. The completion of polymerization was proved by the disappearance of the band located at 950 cm(-1) in FTIR. Thermogravimetric analysis (TGA) was used to investigate the thermal stability, and the results indicated that the thermal stability of the cured polymer gained significant improvement than that without phthalonitrile functionalization.
引用
收藏
页码：409 / 414
页数：6
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