大连理工大学主页平台管理系统蹇锡高含磺酸钠基杂萘联苯聚芳醚酮酮质子交换膜材料的研制中文主页

论文成果

Synthesis and properties of lyotropic liquid crystalline copolyamides containing phthalazinone moiety and ether linkages: 点击次数：; 发布时间： 2019-03-10; 发布时间：2019-03-10; 论文类型：期刊论文; 发表时间：2005-07-25; 发表刊物：POLYMER; 收录刊物：Scopus、EI、SCIE; 卷号：46; 期号：16; 页面范围：6258-6265; ISSN号：0032-3861; 关键字：copolyamides; phthalazinone; lyotropic liquid crystalline; 摘要：A series of aromatic copolyamides containing phthalazinone moiety and ether linkages were prepared from 1,2-dihydro-2-(4-aminophenyl)-4-[4-(4-(aminophenoxyl)phenyl)](2H)phthalazin-1-one (DHPZ-DA), p-phenylenediamine (PPD), 4,4'-diaminodiphenylether (DAPE) and terephthaloyl dichloride (TPC) by low temperature solution polycondensation. The copolyamides had relatively high inherent viscosities, ranging from 1.86 to 5.30 dl/g. The copolyamides showed T, values between 297 and 351 C. Solubility of these copolyamides was improved in NMP, DMAc, NMP (1 wt% LiCl) and DMAc (1 wt% LiCl) by introducing phthalazinone moiety and ether linkages into the main chain. And they had good thermal stability, associated with 5 and 10% weight loss temperatures in the range of 480-516 and 501532 C in nitrogen, respectively. WARD measures indicated these copolyamides were semicrystalline in nature. Some of these copolyamides exhibited lyotropic liquid crystalline behavior in concentrated H2SO4, NMP (1 wt% LiCl), and even in NMP solutions, as evidenced by polarizing light microscopy. (c) 2005 Elsevier Ltd. All rights reserved.

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蹇锡高

同专业博导同专业硕导个人学术主页

教授博士生导师硕士生导师

性别：男

毕业院校：大连工学院

学位：硕士

所在单位：化工学院

学科：高分子材料. 高分子化学与物理. 膜科学与技术

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