Dry Spinning of Cellulose Triacetate Filament Yarns from Solution of Acetone

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  • Kamide Kenji
    Textile Research Laboratory , Asahi Chemical Industry Company Ltd.
  • Abe Tatsuyuki
    Textile Research Laboratory , Asahi Chemical Industry Company Ltd.
  • Miyazaki Yukio
    Textile Research Laboratory , Asahi Chemical Industry Company Ltd.
  • Watanabe Magoichi
    Bemberg and Rayon Division , Asahi Chemical Industry Company Ltd.

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Other Title
  • 三酢酸セルロースのアセトン溶液からの乾式紡糸
  • サンサクサン セルロース ノ アセトン ヨウエキ カラ ノ カンシキ ボウシ

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Description

An attempt was made to carry out a dry-spinning of cellulose triacetate (CTA) filament yarns in a solution of acetone. Mixture of the CTA and acetone was cooled down to ? 70°C and then heated up to 50°C .with stirring to prepare a stable spinning solution. From the solution CTA filament yarns were dry-spinned by using the large?scale, commercially available spining machine for cellulose diacetate filament yarns. The CTA filament yarns thus produced are almost same in their structural and physical properties as the CTA filament yarns on the market, which have been dry-pinned from a solution of methylene chloride.

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