Dyeing and Mechanical Properties of Ramie Fabric Treated with Liquid Ammonia

Tomiji Wakida; Aya Hayashi; Myung Sun LeeMuncheul LeeCHizuko DoiSusumu OkadaYuichi Yanai

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Dyeing and Mechanical Properties of Ramie Fabric Treated with Liquid Ammonia

机译：Dyeing and Mechanical Properties of Ramie Fabric Treated with Liquid Ammonia

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Desized and scoured ramie fabric was treated with liquid ammonia (NH_3) using a practical range. Crysllinity moisture regain, water absorption, and dyeing properties were measured to investigated the internal structure of the fiber by the NH_3 trestment. Crystallite structure of ramie cellulose I was transformed to cellulose III the NH_3 treatment. Crystallinity was decreased not only by the NaOH but also by the NH_3 treatment. Early dyeing rate of the fabric was increased considerably with NaOH treatment, while it decreased greatly with the NH_3 and NaOH/NH_3 treatment. Nevertheless equilibrium dye uptake was increased a little by the NH_3 treatment . As a measure of fabric hand, shearing and bending hysteresis curves were obtained using KES insturment. Shearing modulus G, bending hysteresis width 2HG, bending modulus B and bending hysteresis within 2HB obvioulsy decreased by the NH_3 and NaOH/NH_3 treatments

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《繊維学会誌》 |2001年第5期|148-152|共5页
作者
Tomiji Wakida; Aya Hayashi; Myung Sun LeeMuncheul LeeCHizuko DoiSusumu OkadaYuichi Yanai;
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作者单位

Department of Home Economics, 80 Taromaru Gifu 501-2592, Japan;

Department of Textile Engineering Pusan National Univeristy, Pusan 609-735, Korea;

School of Humanities for Environmental Policy and Technology Himeji 670-0092, JapanNisshinbo Industry Inc., Okazaki, Aichi 444-8510, Japan;

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中图分类化学纤维工业;
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Dyeing and Mechanical Properties of Ramie Fabric Treated with Liquid Ammonia

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