섬유

structure of fibrous cellulose acetate: x-ray diffraction, positron annihilation and electron microscopy investigations

  • 출판일1999.03
  • 저자
  • 서지사항
  • 등록일 2016.11.02
  • 조회수 259
x-ray diffraction, positron annihilation, electron microscopy and bulk density measurements are reported as a function of the degree of acetylation for a linters cotton. heterogeneous reaction proceeds with a retention of ordered structure in the fibers substitution does increase the extent of disorder but is not sufficiently extensive to disrupt completely order at the fiber, fibril, micro fibril, and crystallite levels. the generation of disorder is associated with an increase in the interfibrillar distance, a breakup of the microfibrillar structure without a total disruption of the microcrystalline structure. (author abstract) 15 refs
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