ICCAS OpenIR
Solubility of neutral and charged polymers in ionic liquids studied by laser light scattering
Chen, Ye1,2,3; Zhang, Yumei3; Ke, Fuyou1,2; Zhou, Jihan1,2; Wang, Huaping3; Liang, Dehai1,2
2011-01-21
Source PublicationPOLYMER
ISSN0032-3861
Volume52Issue:2Pages:481-488
AbstractThe solubility and chain conformation of different types of homopolymers in low viscosity ionic liquids (ILs), 1-allyl-3-methylimidazolium chloride ([AMIM][CI]) at 50 degrees C and 1-butyl-3-methylimidazolium formate ([BMIM][COOH]) at 25 degrees C. were studied by laser light scattering (LLS). For neutral polymers, such as polyvinyl alcohol and polysulfonamide, aggregation occurred in all the cases except for polyvinyl alcohol in [BMIM][COOH]. For negative polyelectrolytes, such as DNA and polystyrene sulfonate, single chain conformation was observed. However, the hydrodynamic radius of both polymers was much smaller than that in good solvents, suggesting that the chains were condensed. Cellulose was soluble in [AMIM]/[CI], and non-diffusive mode was observed by dynamic light scattering. Zeta potential analysis indicated that cellulose exhibited the feature of polyelectrolyte. The solubility of homopolymers could be qualitatively explained by treating polymer/IL as a ternary system: polymer, cation, and anion. It was the mutual interactions determined the solubility and conformation of polymers in ILs. (C) 2010 Elsevier Ltd. All rights reserved.
KeywordIonic Liquids Neutral Polymers Charged Polymers
DOI10.1016/j.polymer.2010.11.034
Indexed BySCI
Language英语
WOS IDWOS:000286480100032
PublisherELSEVIER SCI LTD
Citation statistics
Cited Times:46[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/73150
Collection中国科学院化学研究所
Corresponding AuthorLiang, Dehai
Affiliation1.Peking Univ, Coll Chem & Mol Engn, Minist Educ, Beijing Natl Lab Mol Sci, Beijing 100871, Peoples R China
2.Peking Univ, Coll Chem & Mol Engn, Minist Educ, Key Lab Polymer Chem & Phys, Beijing 100871, Peoples R China
3.Donghua Univ, Coll Mat Sci & Engn, State Key Lab Modificat Fiber Mat, Shanghai 201620, Peoples R China
Recommended Citation
GB/T 7714
Chen, Ye,Zhang, Yumei,Ke, Fuyou,et al. Solubility of neutral and charged polymers in ionic liquids studied by laser light scattering[J]. POLYMER,2011,52(2):481-488.
APA Chen, Ye,Zhang, Yumei,Ke, Fuyou,Zhou, Jihan,Wang, Huaping,&Liang, Dehai.(2011).Solubility of neutral and charged polymers in ionic liquids studied by laser light scattering.POLYMER,52(2),481-488.
MLA Chen, Ye,et al."Solubility of neutral and charged polymers in ionic liquids studied by laser light scattering".POLYMER 52.2(2011):481-488.
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