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Synthesis and thermal properties of polythioetherimides derived from 4,4'-[p-thiobis(phenylenesulfanyl)]diphthalic anhydride and various aromatic diamines
Liu, Jin-Gang2; Shibasaki, Yuji2; Ando, Shinji2; Ueda, Mitsuru2
2008-04-01
Source PublicationHIGH PERFORMANCE POLYMERS
ISSN0954-0083
Volume20Issue:2Pages:221-237
AbstractAn asymmetrical aromatic diamine, 1-(4'-aminophenoxy)-4-(4'-aminophenylenesulfanyl) benzene (OSDA) was synthesized. A series of polythioetherimides (PTEIs) were prepared from a thioether-bridged aromatic dianhydride 4,4'-[p-thiobis(phenylenesulfanyl)]diphthalic anhydride (3SDEA) and various aromatic diamines having ether or thioether linkages between phenylene rings by a two-step poly-condensation procedure via their soluble poly(amic acid) (PAA) precursors. Medium to high molecular weight PAAs were obtained with inherent viscosities near or higher than 1.0 dL g(-1), which is high enough to afford flexible and tough PTEI films except for PI-2 (3SDEA-134APB) and PI-6 (3SDEA-m2SPDA) derived from meta-ether-substituted diamines. PI-2 and PI-6 showed some extent of crystallinity compared to the amorphous natures of the other polymers. The PTEI films exhibit good resistance to organic solvents except for PI-3 (3SDEA-133APB), which is soluble in N-methyl-2-pyrrolidinone (NMP) and sulfuric acid at room temperature. The PTEI films show good thermal stability with the 5% weight loss temperatures being above 480 degrees C both in nitrogen and in air. The glass transition temperatures of the PTEIs are in the range of 155 - 191 degrees C, which are lower than those of the commercial polyetherimides due to their plural thioether linkages in the main chains.
KeywordPolythioetherimide Thermal Stability Thioether High Refractive Index
DOI10.1177/0954008307082508
Indexed BySCI
Language英语
WOS IDWOS:000254575900007
PublisherSAGE PUBLICATIONS LTD
Citation statistics
Cited Times:27[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/64034
Collection中国科学院化学研究所
Corresponding AuthorLiu, Jin-Gang
Affiliation1.Chinese Acad Sci, Inst Chem, Lab Adv Polymer Mat, Beijing 100080, Peoples R China
2.Tokyo Inst Technol, Dept Organ & Polymer Mat, Meguro Ku, Tokyo 1528552, Japan
Recommended Citation
GB/T 7714
Liu, Jin-Gang,Shibasaki, Yuji,Ando, Shinji,et al. Synthesis and thermal properties of polythioetherimides derived from 4,4'-[p-thiobis(phenylenesulfanyl)]diphthalic anhydride and various aromatic diamines[J]. HIGH PERFORMANCE POLYMERS,2008,20(2):221-237.
APA Liu, Jin-Gang,Shibasaki, Yuji,Ando, Shinji,&Ueda, Mitsuru.(2008).Synthesis and thermal properties of polythioetherimides derived from 4,4'-[p-thiobis(phenylenesulfanyl)]diphthalic anhydride and various aromatic diamines.HIGH PERFORMANCE POLYMERS,20(2),221-237.
MLA Liu, Jin-Gang,et al."Synthesis and thermal properties of polythioetherimides derived from 4,4'-[p-thiobis(phenylenesulfanyl)]diphthalic anhydride and various aromatic diamines".HIGH PERFORMANCE POLYMERS 20.2(2008):221-237.
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