Different solvents used to determine the intrinsic viscosity and the viscometic constants, a
and K, published in the literature for cellulose, were compared. The various parameters …

Viscosity measurements on cellulose in alkaline solutions as cuprammonium and
cupriethylenediamine are commonly used in the pulp and paper industry as a tool for the …

For simply and accurately determining molecular weight of cellulose, an ionic liquid mixed
with a co-solvent, 1-butyl-3-methylimidazolium acetate/dimethyl sulfoxide …

Statistical analysis of viscosity measurements on dilute solutions of hydroxyethylcellulose
(HEC), hydroxypropylcellulose (HPC), and sodium carboxymethylcellulose (CMC) in the …

The equation suggested in the standard method SCAN C15: 62 for the estimation of the
degree of polymerization (DP) of a cellulose sample from its intrinsic viscosity ([η]) in …

Abstract The intrinsic viscosities,[η], of nine cellulose samples, with molar masses from 50×
103 to 1 390× 103 were determined in the solvents NMMO* H2O (N‐methyl morpholin N …

The determination of molecular weight of natural cellulose remains a challenge nowadays,
due to the difficulty in dissolving cellulose. In this work, tetra-n-butylammonium hydroxide …

The determination of molecular weights from viscosity data by means of calibration suffers
from differences in molecular weight averages and distribu-tion, and from variations of …

All industrial operations deal-ing with isolation, purification, or utilization of cellulose, are di-
rectly or indirectly concerned with the length of the polymer chain. Because an absolute …

Viscometry is an inexpensive characterization method to obtain important information about
the hydrodynamic volume and conformation of polymers in diluted solutions, in a determined …