The experiment about ramie fabrics processed by oxygen plasma was introduced. The mass spectrum of residual gas was
measured by QMS, and quantities of hydrogen, carbon, oxygen and its compounds was observed from vacuum residual
gas. The microcosmic characteristic of ramie treated by oxygen plasma show that the surface of the ramie fibre was
effectively eroded by energetic particle and active molecules. It can be obviously seen from X-Ray diffraction analysis
that the crystalline-indices of ramie fibre were slightly reduced after processing in oxygen plasma. Experiment results
reveal that, with the increase of the processing time and power, the physical chemical properties such as wettability and
dyeability were obviously improved.
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