Preparation method of 50K carbon fiber precursor, precursor and carbon fiber
The invention relates to a preparation method of a 50K carbon fiber precursor, the precursor and a carbon fiber, the preparation method comprises the following steps: (1) acrylonitrile, methyl acrylate and itaconic acid are subjected to a water phase suspension polymerization reaction to obtain a po...
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| creator | ZHANG HAI'OU ZHAO YUNFENG SHAN XIN LANG JIANHUI GUO JIADONG WANG YU JU ZHANHUI WEI LUYAO LI KAI JIANG YANBO CHEN HAO CHEN HAIJUN WANG LIWEI WANG HUI LYU HONGYU MAO BINGQI |
| description | The invention relates to a preparation method of a 50K carbon fiber precursor, the precursor and a carbon fiber, the preparation method comprises the following steps: (1) acrylonitrile, methyl acrylate and itaconic acid are subjected to a water phase suspension polymerization reaction to obtain a polymer, the polymer is terminated through a chelation reaction, and then filtering and drying are performed to obtain a powdery polymer; (2) dissolving the powdery polymer in DMAC (dimethylacetamide) to prepare a spinning solution; (3) enabling the spinning solution prepared in the step (2) to pass through a spinneret plate with the hole number of 49500-50500, spraying at the speed of 13-53m/min, feeding into a coagulating bath, forming to obtain nascent fibers, and washing, oiling, drying, drafting and shaping the nascent fibers to obtain protofilaments; the pressure of the spinneret plate in the step (3) is 800-1600kPa, so that the CV value of the filament density of a monofilament passing through any spinneret pl |
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the pressure of the spinneret plate in the step (3) is 800-1600kPa, so that the CV value of the filament density of a monofilament passing through any spinneret pl</description><language>chi ; eng</language><subject>APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS ; CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS ; CHEMISTRY ; COMPOSITIONS BASED THEREON ; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS ; MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OFARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES ORRIBBONS ; METALLURGY ; NATURAL OR ARTIFICIAL THREADS OR FIBRES ; ORGANIC MACROMOLECULAR COMPOUNDS ; SPINNING ; TEXTILES ; THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><creationdate>2022</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20221223&DB=EPODOC&CC=CN&NR=115506044A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20221223&DB=EPODOC&CC=CN&NR=115506044A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ZHANG HAI'OU</creatorcontrib><creatorcontrib>ZHAO YUNFENG</creatorcontrib><creatorcontrib>SHAN XIN</creatorcontrib><creatorcontrib>LANG JIANHUI</creatorcontrib><creatorcontrib>GUO JIADONG</creatorcontrib><creatorcontrib>WANG YU</creatorcontrib><creatorcontrib>JU ZHANHUI</creatorcontrib><creatorcontrib>WEI LUYAO</creatorcontrib><creatorcontrib>LI KAI</creatorcontrib><creatorcontrib>JIANG YANBO</creatorcontrib><creatorcontrib>CHEN HAO</creatorcontrib><creatorcontrib>CHEN HAIJUN</creatorcontrib><creatorcontrib>WANG LIWEI</creatorcontrib><creatorcontrib>WANG HUI</creatorcontrib><creatorcontrib>LYU HONGYU</creatorcontrib><creatorcontrib>MAO BINGQI</creatorcontrib><title>Preparation method of 50K carbon fiber precursor, precursor and carbon fiber</title><description>The invention relates to a preparation method of a 50K carbon fiber precursor, the precursor and a carbon fiber, the preparation method comprises the following steps: (1) acrylonitrile, methyl acrylate and itaconic acid are subjected to a water phase suspension polymerization reaction to obtain a polymer, the polymer is terminated through a chelation reaction, and then filtering and drying are performed to obtain a powdery polymer; (2) dissolving the powdery polymer in DMAC (dimethylacetamide) to prepare a spinning solution; (3) enabling the spinning solution prepared in the step (2) to pass through a spinneret plate with the hole number of 49500-50500, spraying at the speed of 13-53m/min, feeding into a coagulating bath, forming to obtain nascent fibers, and washing, oiling, drying, drafting and shaping the nascent fibers to obtain protofilaments; the pressure of the spinneret plate in the step (3) is 800-1600kPa, so that the CV value of the filament density of a monofilament passing through any spinneret pl</description><subject>APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS</subject><subject>CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS</subject><subject>CHEMISTRY</subject><subject>COMPOSITIONS BASED THEREON</subject><subject>MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS</subject><subject>MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OFARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES ORRIBBONS</subject><subject>METALLURGY</subject><subject>NATURAL OR ARTIFICIAL THREADS OR FIBRES</subject><subject>ORGANIC MACROMOLECULAR COMPOUNDS</subject><subject>SPINNING</subject><subject>TEXTILES</subject><subject>THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2022</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZPAJKEotSCxKLMnMz1PITS3JyE9RyE9TMDXwVkhOLEoCCqZlJqUWKRQUpSaXFhXnF-kgmAqJeSkoqngYWNMSc4pTeaE0N4Oim2uIs4duakF-fGpxQWJyal5qSbyzn6GhqamBmYGJiaMxMWoAQiA1FQ</recordid><startdate>20221223</startdate><enddate>20221223</enddate><creator>ZHANG HAI'OU</creator><creator>ZHAO YUNFENG</creator><creator>SHAN XIN</creator><creator>LANG JIANHUI</creator><creator>GUO JIADONG</creator><creator>WANG YU</creator><creator>JU ZHANHUI</creator><creator>WEI LUYAO</creator><creator>LI KAI</creator><creator>JIANG YANBO</creator><creator>CHEN HAO</creator><creator>CHEN HAIJUN</creator><creator>WANG LIWEI</creator><creator>WANG HUI</creator><creator>LYU HONGYU</creator><creator>MAO BINGQI</creator><scope>EVB</scope></search><sort><creationdate>20221223</creationdate><title>Preparation method of 50K carbon fiber precursor, precursor and carbon fiber</title><author>ZHANG HAI'OU ; 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(2) dissolving the powdery polymer in DMAC (dimethylacetamide) to prepare a spinning solution; (3) enabling the spinning solution prepared in the step (2) to pass through a spinneret plate with the hole number of 49500-50500, spraying at the speed of 13-53m/min, feeding into a coagulating bath, forming to obtain nascent fibers, and washing, oiling, drying, drafting and shaping the nascent fibers to obtain protofilaments; the pressure of the spinneret plate in the step (3) is 800-1600kPa, so that the CV value of the filament density of a monofilament passing through any spinneret pl</abstract><oa>free_for_read</oa></addata></record> |
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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 CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OFARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES ORRIBBONS METALLURGY NATURAL OR ARTIFICIAL THREADS OR FIBRES ORGANIC MACROMOLECULAR COMPOUNDS SPINNING TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP |
| title | Preparation method of 50K carbon fiber precursor, precursor and carbon fiber |
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