Method for manufacturing acrylonitrilic fiber bundle and method for manufacturing carbon fiber bundle
The present invention addresses the problem of providing a stretching method having superior process passability when subjecting an acrylonitrilic fiber bundle to pressurized steam stretching, in particular, when treatment is performed with a high degree of stretching or at high speed. The present i...
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| creator | OHASHI, TAKEYA NAKAYAMA, ISAO TAKECHI, YUSUKE |
| description | The present invention addresses the problem of providing a stretching method having superior process passability when subjecting an acrylonitrilic fiber bundle to pressurized steam stretching, in particular, when treatment is performed with a high degree of stretching or at high speed. The present invention is a method for manufacturing an acrylonitrilic fiber bundle, in which a fiber bundle made of threads prepared by spinning from a spinning solution containing an acrylonitrilic copolymer is subjected to pressurized steam stretching under a pressurized steam atmosphere by using a pressurized steam stretching device A at least having two regions, namely, a preheating region (1) provided on a fiber-bundle introducing side and a heat stretching region (2) provided on a fiber-bundle exit side, these two regions being separated by a sealing region (3B) provided with a sealing member. When the pressure in the preheating region (1) is signified by P1 (MPa) and the pressure in the heat stretching region (2) is sign |
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The present invention is a method for manufacturing an acrylonitrilic fiber bundle, in which a fiber bundle made of threads prepared by spinning from a spinning solution containing an acrylonitrilic copolymer is subjected to pressurized steam stretching under a pressurized steam atmosphere by using a pressurized steam stretching device A at least having two regions, namely, a preheating region (1) provided on a fiber-bundle introducing side and a heat stretching region (2) provided on a fiber-bundle exit side, these two regions being separated by a sealing region (3B) provided with a sealing member. 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The present invention is a method for manufacturing an acrylonitrilic fiber bundle, in which a fiber bundle made of threads prepared by spinning from a spinning solution containing an acrylonitrilic copolymer is subjected to pressurized steam stretching under a pressurized steam atmosphere by using a pressurized steam stretching device A at least having two regions, namely, a preheating region (1) provided on a fiber-bundle introducing side and a heat stretching region (2) provided on a fiber-bundle exit side, these two regions being separated by a sealing region (3B) provided with a sealing member. 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The present invention is a method for manufacturing an acrylonitrilic fiber bundle, in which a fiber bundle made of threads prepared by spinning from a spinning solution containing an acrylonitrilic copolymer is subjected to pressurized steam stretching under a pressurized steam atmosphere by using a pressurized steam stretching device A at least having two regions, namely, a preheating region (1) provided on a fiber-bundle introducing side and a heat stretching region (2) provided on a fiber-bundle exit side, these two regions being separated by a sealing region (3B) provided with a sealing member. When the pressure in the preheating region (1) is signified by P1 (MPa) and the pressure in the heat stretching region (2) is sign</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS,ROPES OR THE LIKE MECHANICAL FINISHING OF YARNS OR ROPES NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING TEXTILES WARPING OR BEAMING YARNS |
| title | Method for manufacturing acrylonitrilic fiber bundle and method for manufacturing carbon fiber bundle |
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