Preparation method of aerogel-containing profiled polyester staple fiber
The invention discloses a preparation method of aerogel-containing profiled polyester staple fibers. The preparation method comprises the following steps: adding fully dried aerogel-containing Nth polyester master batch and fiber-grade polyester chips into a single-screw extruder for melting to obta...
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| creator | HAO DAN LU YUMING YANG CHENG SU LICHAO CHEN HUIHUA SUN CHENYING GU HUIQIN WU GUOQING WEI LIFEI ZHOU YONGHUA |
| description | The invention discloses a preparation method of aerogel-containing profiled polyester staple fibers. The preparation method comprises the following steps: adding fully dried aerogel-containing Nth polyester master batch and fiber-grade polyester chips into a single-screw extruder for melting to obtain a mixed melt; the mixed melt is shunted through a melt pipeline and enters a spinning box body, accurate metering is conducted through a metering pump in the box body, and melt filaments are sprayed out through a spinning assembly; cooling, winding and forming the melt filaments through circular air blowing to obtain pre-spinning protofilaments; and drafting, sizing, curling and cutting off the fore-spun precursor through a post-treatment process to obtain the aerogel-containing profiled polyester staple fiber. According to the invention, the aerogel powder and the polyester are subjected to multi-stage mixing, so that the aerogel has the characteristics of good dispersity, high firmness, good air permeability a |
| format | Patent |
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The preparation method comprises the following steps: adding fully dried aerogel-containing Nth polyester master batch and fiber-grade polyester chips into a single-screw extruder for melting to obtain a mixed melt; the mixed melt is shunted through a melt pipeline and enters a spinning box body, accurate metering is conducted through a metering pump in the box body, and melt filaments are sprayed out through a spinning assembly; cooling, winding and forming the melt filaments through circular air blowing to obtain pre-spinning protofilaments; and drafting, sizing, curling and cutting off the fore-spun precursor through a post-treatment process to obtain the aerogel-containing profiled polyester staple fiber. 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The preparation method comprises the following steps: adding fully dried aerogel-containing Nth polyester master batch and fiber-grade polyester chips into a single-screw extruder for melting to obtain a mixed melt; the mixed melt is shunted through a melt pipeline and enters a spinning box body, accurate metering is conducted through a metering pump in the box body, and melt filaments are sprayed out through a spinning assembly; cooling, winding and forming the melt filaments through circular air blowing to obtain pre-spinning protofilaments; and drafting, sizing, curling and cutting off the fore-spun precursor through a post-treatment process to obtain the aerogel-containing profiled polyester staple fiber. 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The preparation method comprises the following steps: adding fully dried aerogel-containing Nth polyester master batch and fiber-grade polyester chips into a single-screw extruder for melting to obtain a mixed melt; the mixed melt is shunted through a melt pipeline and enters a spinning box body, accurate metering is conducted through a metering pump in the box body, and melt filaments are sprayed out through a spinning assembly; cooling, winding and forming the melt filaments through circular air blowing to obtain pre-spinning protofilaments; and drafting, sizing, curling and cutting off the fore-spun precursor through a post-treatment process to obtain the aerogel-containing profiled polyester staple fiber. According to the invention, the aerogel powder and the polyester are subjected to multi-stage mixing, so that the aerogel has the characteristics of good dispersity, high firmness, good air permeability a</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 MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OFARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES ORRIBBONS NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING TEXTILES |
| title | Preparation method of aerogel-containing profiled polyester staple fiber |
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