Synthesis and thermal polymerization of new polyimides with pendant phthalonitrile units

被引：19
|
作者：
Zeng, Ke [1 ,2 ]
Li, Li [1 ]
Xiang, Shourong [1 ]
Zhou, Yun [1 ]
Yang, Gang [1 ]
机构：
[1] Sichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R China
[2] Sichuan Univ, Minist Educ, Key Lab Leather Chem & Engn, Coll Light Ind Text & Food Engn, Chengdu 610065, Peoples R China
来源：
POLYMER BULLETIN | 2012年 / 68卷 / 07期
基金：
中国国家自然科学基金;
关键词：
Polyimide; Phthalonitrile; Thermal polymerization; Thermal properties; Solvent-resistance; PROMOTED CURE BEHAVIORS; AROMATIC POLYAMIDES; MODEL COMPOUNDS; 2,2-BIS(P-AMINOPHENOXY)-1,1-BINAPHTHYL; BISPHTHALONITRILE;
D O I：
10.1007/s00289-011-0663-0
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
New polyimides with pendant phthalonitrile units were synthesized via the conventional two-step polymerization approach. The chemical structure of the PIs was confirmed by IR and H-1 NMR spectra. The thermogravimetric analysis and differential scanning calorimetry revealed that the thermal properties of the new PIs along with their solvent-resistance can be promoted after thermal treatment at 300 A degrees C. This promotion can be attributed to the nitrile cure reaction of the phthalonitrile units indicated by the decrease in nitrile absorptions at around 2231 cm(-1) of the IR spectra.
引用
收藏
页码：1879 / 1888
页数：10
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