| Particulation of hyperbranched aromatic biopolyesters self-organized by solvent transformation in ionic liquids. | |
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MedLine Citation:
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PMID: 17309286 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Hyperbranched copolymers were prepared by the heat transesterification of 4-hydroxycinnamic acid (4HCA) and 3,4-dihydroxycinnamic acid (DHCA) with a high 4HCA composition dissolved in trifluoroacetic acid (TFA). The nanoparticles were formed after two homogeneous copolymer solutions were mixed in DMF and TFA, which are both good solvents for the copolymer P(4HCA-co-DHCA). We confirmed that the driving force for particulation was solvent interactions that produce ion pairs, which elevate the polarity of the solvent too much to solubilize the copolymers. |
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Authors:
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Dongjian Shi; Tatsuo Kaneko; Mitsuru Akashi |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't Date: 2007-02-20 |
Journal Detail:
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Title: Langmuir : the ACS journal of surfaces and colloids Volume: 23 ISSN: 0743-7463 ISO Abbreviation: Langmuir Publication Date: 2007 Mar |
Date Detail:
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Created Date: 2007-03-20 Completed Date: 2007-05-15 Revised Date: 2009-05-14 |
Medline Journal Info:
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Nlm Unique ID: 9882736 Medline TA: Langmuir Country: United States |
Other Details:
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Languages: eng Pagination: 3485-8 Citation Subset: IM |
Affiliation:
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Department of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Caffeic Acids
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chemistry* Coumaric Acids / chemistry* Ionic Liquids / chemistry* Polyesters / chemistry* |
| Chemical | |
Reg. No./Substance:
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0/Caffeic Acids; 0/Coumaric Acids; 0/Ionic Liquids; 0/Polyesters; 331-39-5/caffeic acid; 7400-08-0/4-coumaric acid |
| Comments/Corrections | |
Erratum In:
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Langmuir. 2009 Mar 3;25(5):3321-2 |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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