Improved Process for Cotton Decrystallization

Abstract

Ice cold water was employed on both laboratory and pilot plant scales to extract residual monoethylamine reagent from decrystallized cotton materials. The use of cold water retained the high degree of decrystallization achieved and further retained the cellulose I crystal lattice of native cotton in the remaining crystalline regions. Advantages of this cold water extraction process compared with use of organic solvents are enumerated.

Differential Fermentation of Cellulose Allomorphs by Ruminal Cellulolytic Bacteria

“…For experiments with the mixed ruminal microflora, vials contained 100 mg of cellulose, 8.0 ml of NH4-supplemented McDougall buffer (32), 0.2 ml of 0.5% cysteine HCl-0.5% (wt/vol) Na2S 9H20 reducing agent, and 1.8 ml of freshly collected and diluted ruminal fluid inoculum (32). Owing to changes in allomorphic form, crystallinity, and/or degree of polymerization which occur during sterilizing treatments (e.g., autoclaving [12] or gamma irradiation [5]), the experiments were conducted without sterilization of the substrate.…”

Studies on Luster in Textiles

“…Part of the sample treated with anhy drous ethylamine was treated again for the second time with anhydrous ethylamine to reduce the crystallinity further (11].…”