低聚聚酰亚胺(SPI)改性的聚酰亚胺(PI)固化物的制备和性能 |
朱国豪, 陈平, 徐计雷, 孙慧敏 |
Preparation and Properties of Curd Polyimide Modified by Oligomeric Polyimide |
ZHU Guohao, CHEN Ping, XU Jilei, SUN Huimin |
图2 二硝基化合物BNFPS和二胺基化合物APFPS的红外光谱和APFPS的核磁谱 |
Fig.2 FTIR spectra of nitro monomer BPFPS and diamine monomer APFPS (a) and 1H NMR spectrum of APFPS (b) |
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