繊維学会誌
Online ISSN : 1884-2259
Print ISSN : 0037-9875
技術報文
新規方法による銅アンモニア再生セルロース不織布作製の試み
横山 文義小野 貴之原田 秀忠木村 邦生山下 祐彦光石 一太藤原 和子
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ジャーナル フリー

2000 年 56 巻 7 号 p. 371-380

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The extrusion of a cuprammonium cellulose solution into the rotational flow field of a disodium dihydrogen ethylenediaminetetraacetate solution led to the formation of the nonwoven fabrics of regenerated cellulose fibers around a rotor. Morphological and structural features of the products were examined by polarized optical microscopy, scanning electron microscopy, and wide-angle X-ray diffraction photography. It was revealed that the constituent fibers have a distinct skin-core strcture. The crystal modification of the fibers was cellulose II. The degree of the chain orientation of the fibers was increased with increasing the draft ratio, with the birefringences of 0.012 to 0.028, which were nearly situated in the same range as those of cuprammonium rayon fibers. The concentrations of the residual copper in the present fabrics were satisfactorily low.

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© 2000 The Society of Fiber Science and Technology, Japan
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