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001     34289
005     20240619091715.0
024 7 _ |a 10.1021/ma001608v
|2 DOI
024 7 _ |a WOS:000170152200013
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024 7 _ |a 2128/1299
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037 _ _ |a PreJuSER-34289
041 _ _ |a eng
082 _ _ |a 540
084 _ _ |2 WoS
|a Polymer Science
100 1 _ |a Perny, S.
|0 P:(DE-Juel1)VDB4696
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245 _ _ |a Synthesis and structural analysis of an h-shaped polybutadiene
260 _ _ |a Washington, DC
|b Soc.
|c 2001
300 _ _ |a 5408 - 5415
336 7 _ |a Journal Article
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336 7 _ |a Journal Article
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336 7 _ |a ARTICLE
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336 7 _ |a JOURNAL_ARTICLE
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336 7 _ |a article
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440 _ 0 |a Macromolecules
|x 0024-9297
|0 4142
|v 34
500 _ _ |a Record converted from VDB: 12.11.2012
520 _ _ |a The synthesis of an H-shaped polybutadiene homopolymer as well as its detailed structural characterization is investigated. Anionic polymerization techniques together with chlorosilane linking agents were used for the production of the material. After each reaction step samples were taken and analyzed by size exclusion chromatography (SEC), membrane osmometry (MO), NMR, and temperature gradient interaction chromatography (TGIC). According to the characterization by SEC, MO, and NMR, the H-polymer showed a high degree of structural uniformity after purification by fractionation, and no significant amounts of differently branched byproducts could be detected. The TGIC analysis however revealed the presence of large amounts of structures, mainly with lower branching degree. We also found that a significant isotope effect exists in the TGIC retention between deuterated and hydrogenous polymers. In our case, where the H-polymer is partially deuterated, the TGIC analysis enabled us to resolve all the side products. Comparison of the different analysis methods indicates that the precise structural analysis of branched model polymers such as the H-polymer requires more sophisticated methods than used in the past.
536 _ _ |a Polymere, Membranen und komplexe Flüssigkeiten
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700 1 _ |a Allgaier, J.
|0 P:(DE-Juel1)130501
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700 1 _ |a Cho, D.
|0 P:(DE-HGF)0
|b 2
700 1 _ |a Lee, W.
|0 P:(DE-HGF)0
|b 3
700 1 _ |a Chang, T.
|0 P:(DE-HGF)0
|b 4
773 _ _ |a 10.1021/ma001608v
|g Vol. 34, p. 5408 - 5415
|p 5408 - 5415
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|0 PERI:(DE-600)1491942-4
|t Macromolecules
|v 34
|y 2001
|x 0024-9297
856 4 _ |u https://juser.fz-juelich.de/record/34289/files/4174.pdf
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913 1 _ |k 23.30.0
|v Polymere, Membranen und komplexe Flüssigkeiten
|l Festkörperforschung
|b Struktur der Materie und Materialforschung
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914 1 _ |y 2001
915 _ _ |0 StatID:(DE-HGF)0010
|a JCR/ISI refereed
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920 1 _ |k IFF-NST
|l Neutronenstreuung
|d 31.12.2003
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