Abstract
Degradation of ramie and cotton fibres by sulphuric acid solutions of concentration near 950 g/l at temperatures up to 40°C leads to breakdown into elongated tabular of lateral dimensions about 30 A × 130 A and of widely varying lengths up to 2500 A. The particles are probably single crystallites of Cellulose I, and have their 101 crystallographic planes parallel to their largest faces. In the fibre the particles are arranged so that crystallographic orientation persists over relatively great distances. Similar results are obtained for the Cellulose II particles from mercerised fibres. Jute, containing a high proportion of lignin, tends to disintegrate in a fibrillar, as distinct from particulate, manner; but jute cellulose behaves more normally.
Published Version
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