ICCAS OpenIR
Stereocomplex formation in atactic poly(methyl methacrylate) I. Effect of solvents
Gu, Q; Song, R; Shen, DY
2000-07-01
Source PublicationPOLYMER BULLETIN
ISSN0170-0839
Volume44Issue:5-6Pages:533-538
AbstractThe stereocomplexation in three kinds of atactic poly (methyl methacrylate) (alpha-PMMA) films with different tacticities isolated from acetone, benzene, and chloroform solution was studied by Fourier transformation infrared (FTIR) and differential calorimetry scanning (DSC) techniques. Based on the results of infrared spectra, it could be deduced that stereocomplexes were formed in the films cast from acetone and benzene solutions with the increase in the population of trans-trans (rr) conformation of the backbone of i- and s-segments. It was assumed that the stereocomplexes formed by the interactions between i- and s-segments, possibly including intramolecular complexation. The stereocomplexation was also confirmed by the evidence of a endotherm with melt temperature over the range 180 degrees C to 200 degrees C, which was corresponded to the melting stereocomplex aggregates formed in the solutions and stabilized by the solvent molecules.
Indexed BySCI
Language英语
WOS IDWOS:000088458200014
PublisherSPRINGER
Citation statistics
Cited Times:14[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/76334
Collection中国科学院化学研究所
Corresponding AuthorShen, DY
AffiliationChinese Acad Sci, Inst Chem, Ctr Mol Sci, Polymer Phys Lab, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Gu, Q,Song, R,Shen, DY. Stereocomplex formation in atactic poly(methyl methacrylate) I. Effect of solvents[J]. POLYMER BULLETIN,2000,44(5-6):533-538.
APA Gu, Q,Song, R,&Shen, DY.(2000).Stereocomplex formation in atactic poly(methyl methacrylate) I. Effect of solvents.POLYMER BULLETIN,44(5-6),533-538.
MLA Gu, Q,et al."Stereocomplex formation in atactic poly(methyl methacrylate) I. Effect of solvents".POLYMER BULLETIN 44.5-6(2000):533-538.
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