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Use of gel-permeation chromatography for the study of molecular weight distributions of thermo-plastic polyurethanes

โœ Scribed by I.A. Vakhtina; T. Bettger; A.P. Andreyev; O.S. Novozhilova; O.G. Tarakanov

Book ID
118964990
Publisher
Elsevier Science
Year
1976
Weight
228 KB
Volume
18
Category
Article
ISSN
0032-3950

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Determination of molecular weight distri
Determination of molecular weight distributions of novolac resins by gel permeation chromatography
โœ Timothy R. Dargaville; Felix N. Guerzoni; Mark G. Looney; Devon A. Shipp; David ๐Ÿ“‚ Article ๐Ÿ“… 1997 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 214 KB ๐Ÿ‘ 2 views

The number-and weight-average molecular weights of several statistical and high ortho novolac resins were determined using gel permeation chromatography (GPC). The standards used were pure compounds having between 2 and 12 phenol units bridged via methylene linkages. Three series of compounds were s