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Polymer Bulletin
Erschienen in: Polymer Bulletin 12/2015

01.12.2015 | Original Paper

Preparation and characterization of cellulose p-phenylbenzoate by two-step synthesis from microcrystalline and kraft cellulose

verfasst von: Lahcen El Hamdaoui, Mohammed El Moussaouiti, Said Gmouh

Erschienen in: Polymer Bulletin | Ausgabe 12/2015

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Abstract

Synthesis and structural characterizations of p-bromobenzoate and p-phenylbenzoate of cellulose were carried out. Cellulose derivatives were synthesized by esterification and Suzuki–Miyaura coupling. p-Bromobenzoylation produced 75 % yield by treating a mixture of microcrystalline or kraft cellulose, and p-bromobenzoyl chloride at 80 °C in 1-N-butyl-3-methylimidazolium chloride (Bmim)[Cl] for 2 h. The effects of reaction time, temperature and molar ratio of p-bromobenzoyl chloride/anhydroglucose unit on degree of substitution (DS) value of cellulose p-bromobenzoate were investigated. Cellulose p-bromobenzoate was then coupled with phenyl boronic acid with 87 % yield using standard Suzuki–Miyaura coupling conditions in dimethyl sulfoxide (DMSO). The structure as well as the properties of the obtained product was characterized using different analytical tools such as Fourier transform infrared (FT-IR) spectroscopy, nuclear magnetic resonance (NMR) and thermogravimetric analysis (TGA).
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Metadaten
Titel
Preparation and characterization of cellulose p-phenylbenzoate by two-step synthesis from microcrystalline and kraft cellulose
verfasst von
Lahcen El Hamdaoui
Mohammed El Moussaouiti
Said Gmouh
Publikationsdatum
01.12.2015
Verlag
Springer Berlin Heidelberg
Erschienen in
Polymer Bulletin / Ausgabe 12/2015
Print ISSN: 0170-0839
Elektronische ISSN: 1436-2449
DOI
https://doi.org/10.1007/s00289-015-1451-z

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