안동포원료 Hemp Cellulose의 미세구조에 관한 연구
A Study on the Change of fine Structure of Hemp Cellulose
This study was investigation of the change of fine structure of hemp cellulose at different growing stages. The samples collected about every eight day were divided into seven groups based on plants height, then they were numbered from 1 to 7 in the order of their height. For this, the degree of crystallinity, orientation and crystallite size were measured by wide angle X-ray diffraction method. The results of this experiment were summerized as follows ; 1) The degree of crystallinity was increased by growth of hemp celtilose to be maximum in sample 5 $\~$ 6. At this stage, the stability of crystals was showed in good states. In addition to, crystallinity index by Segal, Turley and area method showed same tendency as Ruland's. 2) The change of orientation was gradually increased by growth of hemp cellulose. This result was correlated with the degree of crystallinity. Therefore, the change of orientation depend on the degree of crystallinity. 3) On the other hand, the crystallite size was decreased by growth of hemp cellulose. But, increased after sample 4. By the way, crystallite size was interrelated with growth rate.
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