The effects of alkali treatment on the structural characteristics of cotton linters and sisal cellulose samples have been studied. Mercerization results in a decrease in the indices of crystallinity and the degrees of ...

Cellulose acetates with different degrees of substitution (DS, from 0.6 to 1.9) were prepared from previously mercerized linter cellulose, in a homogeneous medium, using N,N-dimethylacetamide/lithium chloride as a solvent ...

In the present study, films based on linter cellulose and chitosan were prepared using an aqueous solution of sodium hydroxide (NaOH)/thiourea as the solvent system. The dissolution process of cellulose and chitosan in ...

The addition of two fillers in polymeric matrices has been shown as an alternative to the production of conventional polymer composites, as it allows to combine the properties of the individual components. Cotton línter ...

Celulose de linter foi acetilada, visando obter acetatos de celulose com diferentes Graus de Substituição (GS) em meio homogêneo, usando cloreto de lítio/N,N-dimetilacetamida (LiCl/DMAc) como sistema de solvente, e anidrido ...

Viscose process is the most important method for industrial cellulose dissolution. The degree of substitution (DS) is an important parameter in cellulose derivatives, and it is usually expressed as a gamma number (γ No.). ...

The acylation of three cellulose samples by acetic anhydride, Ac(2)O, in the solvent system LiCl/N,N-dimethylacetamide, DMAc (4 h, 110 A degrees C), has been revisited in order to investigate the dependence of the reaction ...

Cotton linter is currently a by-product of the cotton industry, the fiber being closest to cotton seed. Failure to remove this fiber can cause problems, especially in machines that redo planting seeds in the field and can ...

Among the multiple industrial applications of carboxymethyl cellulose (CMC), those related to food and beverages industries (e.g. as thickener, stabilizer, emulsifier, binding agent), involve one fourth of the global CMC ...