Preparation and Thermal Properties of Novel Phthalonitrile Oligomer Containing Biphenyl Ethernitrile/Bisphthalonitrile Blends

被引：43

作者：

Yang, Xiaoli ^{[1
]}

Lei, Yajie ^{[1
]}

Zhong, Jiachun ^{[1
]}

Zhao, Rui ^{[1
]}

Liu, Xiaobo ^{[1
]}

机构：

[1] Univ Elect Sci & Technol China, Inst Microelect & Solid State Elect, Res Branch Adv Funct Mat, Chengdu 610054, Peoples R China

来源：

JOURNAL OF APPLIED POLYMER SCIENCE | 2011年 / 119卷 / 02期

关键词：

phthalonitrile oligomer; biphenyl ethernitrile; bisphthalonitrile; blends; thermal properties; RESIN; BISPHTHALONITRILE;

D O I：

10.1002/app.32783

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 kind of novel n = 2 phthalonitrile oligomer containing biphenyl ethernitrile (2PEN-BPh) had been firstly synthesized from 2,6-dichlorobenzonitrile, 4,4'-biphenol and 4-nitrophthalonitrile via solution reaction, and the 2PEN-BPh was characterized by FTIR, H-1-NMR spectra which exhibited that cyano groups and ethernitrile linkages existed in the backbone of 2PEN-BPh. The 2PEN-BPh oligomer was blended with bisphthalonitrile monomer, the curing reaction behaviors of the blends were studied by FTIR, DSC, and rheological analysis. The thermal and thermo-oxidative stabilities of the 2PEN-BPh/BPh polymers were investigated by TGA, and the results showed that the completely cured polymers could achieve char yields up to 78% at 800 degrees C in nitrogen, above 11% at 800 degrees C in air. The whole research indicated that the 2PEN-BPh/BPh blends could efficiently improve the processability of BPh monomer without scarifying other desirable high temperature properties. (C) 2010 Wiley Periodicals, Inc. J Appl Polym Sci 119: 882-887, 2011

引用

页码：882 / 887

页数：6

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