[1]李桃桃,程琳.含二氮杂萘酮结构新型聚酰亚胺的合成[J].华侨大学学报(自然科学版),2012,33(6):650-654.[doi:10.11830/ISSN.1000-5013.2012.06.0650]
　LI Tao-tao,CHENG Lin.Synthesis of Novel Polyimides Containing Phthalazinone Moiety[J].Journal of Huaqiao University(Natural Science),2012,33(6):650-654.[doi:10.11830/ISSN.1000-5013.2012.06.0650]
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含二氮杂萘酮结构新型聚酰亚胺的合成()
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《华侨大学学报（自然科学版）》[ISSN:1000-5013/CN:35-1079/N]

卷:
第33卷
期数:
2012年第6期
页码:
650-654
栏目:
出版日期:
2012-11-20

文章信息/Info

Title:
Synthesis of Novel Polyimides Containing Phthalazinone Moiety
文章编号:
1000-5013(2012)06-0650-05
作者:
李桃桃;  程琳
华侨大学 材料科学与工程学院, 福建 厦门 361021
Author(s):
LI Tao-tao;  CHENG Lin
College of Materials Science and Engineering, Huaqiao University, Xiamen 361021, China
关键词:
聚酰亚胺;  二氮杂萘酮;  不对称;  溶解性
Keywords:
polyimide;  phthalazinone;  unsymmetrical;  solubility
分类号:
O633.22
DOI:
10.11830/ISSN.1000-5013.2012.06.0650
文献标志码:
A
摘要:
设计含二氮杂萘酮结构的3种二胺单体,与4,4’-(4,4’-异丙基二苯氧基)双(邻苯二甲酸酐)(双酚A二酐)合成一系列不对称新型聚酰亚胺. 采用傅里叶红外光谱、核磁共振氢谱法、差示扫描量热法、热重法、凝胶渗透色谱等手段对聚酰亚胺进行结构表征和性能测试,并研究其溶解性、特性粘度. 结果表明:聚酰亚胺在室温下易溶于氯仿、吡啶、二甲基甲酰胺、二甲基乙酰胺、N-甲基吡咯烷酮等非质子极性有机溶剂,其氯仿溶液能形成透明、韧性较好的膜,特性粘度为0.50~0.81 dL·g-1;聚酰亚胺(P4b~
Abstract:
Three diamine monomers containing phthalazinone moiety have been synthesized, and then a novel type of unsymmetrical polyimides were prepared from these diamines and 4,4’-(4,4’-isopropylidenediphenoxy)bis(phthalic anhydride)(BPADA). The structure of the polymers were characterized by FTIR and 1H NMR, the properties of them were investigated by DSC, TGA and GPC, and the solubility and inherent viscosities were also investigated. The results indicated that the polymers were easily soluble in aprotic polar organic solvents such as chloroform, pyridine, DMF, DMAc and NMP at room temerature, and the chloroform solution of these polymers could be cast into transparent and flexible films. The inherent viscosities of the polymers were in the range of 0.50~0.81 dL·g-1. The number average molecular weight(Mn)and polydispersity index(PDI)of polymers(P4b~P4c)were in the range of 25 000~34 000 and 1.21~1.27, respectively. Moreover, the glass transition temperature(tg)of the polymers were all above 235 ℃ and the residual weight were in the range of 51%~58% at 800 ℃ in nitrogen. The 5% and 10% weight loss temperatures of these polymers were in the range of 446~480 ℃ and 459~495 ℃, respectively.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期: 2012-04-18
通信作者: 程琳(1964-),男,教授,主要从事高性能与功能高分子材料的研究.E-mail:cheng@hqu.edu.cn.
基金项目: 国家自然科学基金资助项目(50973036)
更新日期/Last Update: 2012-11-20