CelluloseOxidationSEC–MALLSTEMPOWet strengthLiCl/DMAcLinter cellulose was suspended in water and oxidized by the NaClO/NaBr/2,2,6,6-tetramehylpiperidine-1-oxy radical (TEMPO) system at pH 10.5 (TEMPO-mediated oxidation), and the oxidized products were separated into several fractions by ...
Ultrasound-catalyzed TEM‐ PO-mediated oxidation of native cellulose for the production of nanocellulose: effect of process variables. BioResources. 2011;6(1):121-43.Mishra SP, Thirree J, Manent A-S, Chabot B, Daneault C (2011) Ultrasound-catalyzed TEMPO-mediated oxidation of native cellulose...
Linter cellulose was suspended in water and oxidized by the NaClO/NaBr/2,2,6,6-tetramehylpiperidine-1-oxy radical (TEMPO) system at pH 10.5 (TEMPO-mediated oxidation), and the oxidized products were separated into several fractions by filtration and centrifugation, depending on their particle si...
TEMPO选择性氧化对纤维形态及成纸性能的影响
Key words :TEMPO oxidation;ultrasonic;nanocrystalline cellulose 纳米纤维素是一种直径为1~100nm,长度为几十到几百纳米的刚性棒状纤维素,具有优良的机械性能㊁光学性能㊁生物可降解性㊁热稳定性等,可被广泛应用于高性能复合材料[1]㊁生物医药材料[2]以及食品行业[3]㊂在过去几十年中,纳米纤维素的预处理...
Cellulose whiskers resulting from HCl acid hydrolysis of tunicin were subjected to TEMPO-mediated oxidation under various conditions and the extent of the resulting oxidation was characterized by Fourier-transform infrared spectroscopy (FT-IR), conductimetry, X-Ray diffraction analysis and transmission el...
[6] Isogai Akira, Kato Yumiko.Preparation of Polyuronic Acid from Cellulose by TEMPO-mediated Oxidatio[J].Cellulose, 1998, 5(3): 153. [7] Saito Tsuguyuki, Isogai Akira.TEMPO-mediated oxidation of native cellulose.The effect of oxidation conditions on chemical and crystal structures of the wa...
The level and tempo of children's physical activities: an observational study. U/Pb zircon geochronology and tempo of the end-permian mass extinction Cellulose Nanofibers Prepared by TEMPO-Mediated Oxidation of Native Cellulose TEMPO-mediated Oxidation of Native Cellulose: SEC–MALLS Analysis of Water...
[13]SAITOT,KIMURA S,NISHIYAMAY,et a1.Cellulose nanofibers prepared byTEMPO,mediated oxidation of native cellulose[J].Biomacrom01ecules, 2007,8(8):2485. [14]SAITO T,ISOGAIA.Introduction ofaldehyde groups on surfaces ofnative cellulosefibem byTEMPO.mediated oxidation[J].Colloids and Surfaces A...
TEMPO-mediated oxidation of cellulose III. Biomacromolecules. 2003;4:1417–25. Article PubMed Google Scholar Isogai T, Yanagisawa M, Isogai A. Degrees of polymerization (DP) and DP distribution of cellouronic acids prepared from alkali-treated celluloses and ball-milled native celluloses by ...