ICCAS OpenIR
Preparation and properties of novel aromatic polyamides and polyimides lacked with dendritic fragments
Li, YF; Ji, T; Zhang, J
2000
Source PublicationJOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY
ISSN0887-624X
Volume38Issue:1Pages:189-197
AbstractThe polycondensation of polymerizable diamines bearing two generations of Percec-type dendritic blocks with dianhydrides led to the formation of novel aromatic polyamic acids that then were converted into a series of novel aromatic polyimides jacked with dendritic fragments. Their solubility in organic solvents was improved remarkably by the introduction of the dendritic fragments, especially in the case of the polyamides and polyamic acids, and the polymers were soluble in normal solvents such as ethyl acetate, acetone, and chloroform. Their thermal properties were investigated with differential scanning calorimetry and thermogravimetric analysis. The glass-transition temperatures of these polyamides were lower than those of the conventional aramids. All of the polyamides, polyamic acids, and polyimides bearing the dendritic fragments showed two decomposition stages. (C) 2000 John Wiley & Sons, Inc.
KeywordPolyamide Polyimide Dendritic Fragment
Indexed BySCI
Language英语
WOS IDWOS:000084144100024
PublisherJOHN WILEY & SONS INC
Citation statistics
Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/76452
Collection中国科学院化学研究所
Corresponding AuthorLi, YF
AffiliationChinese Acad Sci, Inst Chem, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Li, YF,Ji, T,Zhang, J. Preparation and properties of novel aromatic polyamides and polyimides lacked with dendritic fragments[J]. JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY,2000,38(1):189-197.
APA Li, YF,Ji, T,&Zhang, J.(2000).Preparation and properties of novel aromatic polyamides and polyimides lacked with dendritic fragments.JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY,38(1),189-197.
MLA Li, YF,et al."Preparation and properties of novel aromatic polyamides and polyimides lacked with dendritic fragments".JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY 38.1(2000):189-197.
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