Polyacrylonitrile copolymer, polyacrylonitrile precursor fiber for carbon fiber, carbon bundles, fabricating method of flame retardant bundles and fabricating method of carbon bundles
Provided are: a polyacrylonitrile-based precursor fiber for the production of a carbon fiber having a large single-fiber fineness, said precursor fiber ensuring high heat stability of a spinning dope and excellent productivity; and a copolymer suitable for the production of said precursor fiber. Als...
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| creator | AOYAMA, NAOKI HIROTA, NORIFUMI MATSUYAMA, NAOMASA FUJII, YASUYUKI SHINMEN, YUSUKE NII, TAKESHI IRIE, YOSHIKO MATSUDA, HARUMI |
| description | Provided are: a polyacrylonitrile-based precursor fiber for the production of a carbon fiber having a large single-fiber fineness, said precursor fiber ensuring high heat stability of a spinning dope and excellent productivity; and a copolymer suitable for the production of said precursor fiber. Also provided are: high-quality carbon fiber bundles which have a large single-fiber fineness and excellent productivity; a process for producing the same; and a process for producing flameproofed fiber bundles suitable for the production of the carbon fiber bundles. A polyacrylonitrile-based copolymer which comprises 93.0 to 99.4 mol% of acrylonitrile units, 0.5 to 4.0 mol% of (meth)acrylamide -based units, and 0.1 to 3.0 mol% of unsaturated carboxylic acid hydroxyalkyl ester units and in which the (meth)acrylamide-based units are (meth)acrylamide units and/or (meth)acrylamide derivative units having a molecular weight of 105 or less; a precursor fiber comprising the copolymer; a process for producing flameproofed fi |
| format | Patent |
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Also provided are: high-quality carbon fiber bundles which have a large single-fiber fineness and excellent productivity; a process for producing the same; and a process for producing flameproofed fiber bundles suitable for the production of the carbon fiber bundles. A polyacrylonitrile-based copolymer which comprises 93.0 to 99.4 mol% of acrylonitrile units, 0.5 to 4.0 mol% of (meth)acrylamide -based units, and 0.1 to 3.0 mol% of unsaturated carboxylic acid hydroxyalkyl ester units and in which the (meth)acrylamide-based units are (meth)acrylamide units and/or (meth)acrylamide derivative units having a molecular weight of 105 or less; a precursor fiber comprising the copolymer; a process for producing flameproofed fi</description><language>chi ; eng</language><subject>ADHESIVES ; 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 ; DYES ; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC ; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS ; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS ; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE ; MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OFARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES ORRIBBONS ; METALLURGY ; MISCELLANEOUS APPLICATIONS OF MATERIALS ; MISCELLANEOUS COMPOSITIONS ; NATURAL OR ARTIFICIAL THREADS OR FIBRES ; NATURAL RESINS ; ORGANIC MACROMOLECULAR COMPOUNDS ; PAINTS ; POLISHES ; SPINNING ; TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION ; TECHNICAL SUBJECTS COVERED BY FORMER USPC ; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS ; TEXTILES ; THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><creationdate>2016</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=20160511&DB=EPODOC&CC=TW&NR=I532755B$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20160511&DB=EPODOC&CC=TW&NR=I532755B$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>AOYAMA, NAOKI</creatorcontrib><creatorcontrib>HIROTA, NORIFUMI</creatorcontrib><creatorcontrib>MATSUYAMA, NAOMASA</creatorcontrib><creatorcontrib>FUJII, YASUYUKI</creatorcontrib><creatorcontrib>SHINMEN, YUSUKE</creatorcontrib><creatorcontrib>NII, TAKESHI</creatorcontrib><creatorcontrib>IRIE, YOSHIKO</creatorcontrib><creatorcontrib>MATSUDA, HARUMI</creatorcontrib><title>Polyacrylonitrile copolymer, polyacrylonitrile precursor fiber for carbon fiber, carbon bundles, fabricating method of flame retardant bundles and fabricating method of carbon bundles</title><description>Provided are: a polyacrylonitrile-based precursor fiber for the production of a carbon fiber having a large single-fiber fineness, said precursor fiber ensuring high heat stability of a spinning dope and excellent productivity; and a copolymer suitable for the production of said precursor fiber. Also provided are: high-quality carbon fiber bundles which have a large single-fiber fineness and excellent productivity; a process for producing the same; and a process for producing flameproofed fiber bundles suitable for the production of the carbon fiber bundles. A polyacrylonitrile-based copolymer which comprises 93.0 to 99.4 mol% of acrylonitrile units, 0.5 to 4.0 mol% of (meth)acrylamide -based units, and 0.1 to 3.0 mol% of unsaturated carboxylic acid hydroxyalkyl ester units and in which the (meth)acrylamide-based units are (meth)acrylamide units and/or (meth)acrylamide derivative units having a molecular weight of 105 or less; a precursor fiber comprising the copolymer; a process for producing flameproofed fi</description><subject>ADHESIVES</subject><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>DYES</subject><subject>GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC</subject><subject>GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS</subject><subject>MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS</subject><subject>MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE</subject><subject>MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OFARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES ORRIBBONS</subject><subject>METALLURGY</subject><subject>MISCELLANEOUS APPLICATIONS OF MATERIALS</subject><subject>MISCELLANEOUS COMPOSITIONS</subject><subject>NATURAL OR ARTIFICIAL THREADS OR FIBRES</subject><subject>NATURAL RESINS</subject><subject>ORGANIC MACROMOLECULAR COMPOUNDS</subject><subject>PAINTS</subject><subject>POLISHES</subject><subject>SPINNING</subject><subject>TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION</subject><subject>TECHNICAL SUBJECTS COVERED BY FORMER USPC</subject><subject>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS</subject><subject>TEXTILES</subject><subject>THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2016</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNjDEOwjAMRbswIOAOPkBZqCp2EAg2hkqMlZM4ECmNIycdejKuRyXogBASy7f_8_efF48L-wG1DJ6Dy-I8geY4so6khPh1jEK6l8QC1ikaddw0iuLwAuXkVB-Mp1SCRSVOY3bhBh3lOxtgC9ZjRyCUUQyGPMUBg_nx8dm7LGYWfaLVey4KOB6a_WlNkVtKETUFym1zPdfVZlvXu131R-QJj1NfJQ</recordid><startdate>20160511</startdate><enddate>20160511</enddate><creator>AOYAMA, NAOKI</creator><creator>HIROTA, NORIFUMI</creator><creator>MATSUYAMA, NAOMASA</creator><creator>FUJII, YASUYUKI</creator><creator>SHINMEN, YUSUKE</creator><creator>NII, TAKESHI</creator><creator>IRIE, YOSHIKO</creator><creator>MATSUDA, HARUMI</creator><scope>EVB</scope></search><sort><creationdate>20160511</creationdate><title>Polyacrylonitrile copolymer, polyacrylonitrile precursor fiber for carbon fiber, carbon bundles, fabricating method of flame retardant bundles and fabricating method of carbon bundles</title><author>AOYAMA, NAOKI ; HIROTA, NORIFUMI ; MATSUYAMA, NAOMASA ; FUJII, YASUYUKI ; SHINMEN, YUSUKE ; NII, TAKESHI ; IRIE, YOSHIKO ; MATSUDA, HARUMI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_TWI532755BB3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2016</creationdate><topic>ADHESIVES</topic><topic>APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS</topic><topic>CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS</topic><topic>CHEMISTRY</topic><topic>COMPOSITIONS BASED THEREON</topic><topic>DYES</topic><topic>GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC</topic><topic>GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS</topic><topic>MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS</topic><topic>MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE</topic><topic>MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OFARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES ORRIBBONS</topic><topic>METALLURGY</topic><topic>MISCELLANEOUS APPLICATIONS OF MATERIALS</topic><topic>MISCELLANEOUS COMPOSITIONS</topic><topic>NATURAL OR ARTIFICIAL THREADS OR FIBRES</topic><topic>NATURAL RESINS</topic><topic>ORGANIC MACROMOLECULAR COMPOUNDS</topic><topic>PAINTS</topic><topic>POLISHES</topic><topic>SPINNING</topic><topic>TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION</topic><topic>TECHNICAL SUBJECTS COVERED BY FORMER USPC</topic><topic>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS</topic><topic>TEXTILES</topic><topic>THEIR PREPARATION OR CHEMICAL WORKING-UP</topic><toplevel>online_resources</toplevel><creatorcontrib>AOYAMA, NAOKI</creatorcontrib><creatorcontrib>HIROTA, NORIFUMI</creatorcontrib><creatorcontrib>MATSUYAMA, NAOMASA</creatorcontrib><creatorcontrib>FUJII, YASUYUKI</creatorcontrib><creatorcontrib>SHINMEN, YUSUKE</creatorcontrib><creatorcontrib>NII, TAKESHI</creatorcontrib><creatorcontrib>IRIE, YOSHIKO</creatorcontrib><creatorcontrib>MATSUDA, HARUMI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>AOYAMA, NAOKI</au><au>HIROTA, NORIFUMI</au><au>MATSUYAMA, NAOMASA</au><au>FUJII, YASUYUKI</au><au>SHINMEN, YUSUKE</au><au>NII, TAKESHI</au><au>IRIE, YOSHIKO</au><au>MATSUDA, HARUMI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Polyacrylonitrile copolymer, polyacrylonitrile precursor fiber for carbon fiber, carbon bundles, fabricating method of flame retardant bundles and fabricating method of carbon bundles</title><date>2016-05-11</date><risdate>2016</risdate><abstract>Provided are: a polyacrylonitrile-based precursor fiber for the production of a carbon fiber having a large single-fiber fineness, said precursor fiber ensuring high heat stability of a spinning dope and excellent productivity; and a copolymer suitable for the production of said precursor fiber. Also provided are: high-quality carbon fiber bundles which have a large single-fiber fineness and excellent productivity; a process for producing the same; and a process for producing flameproofed fiber bundles suitable for the production of the carbon fiber bundles. A polyacrylonitrile-based copolymer which comprises 93.0 to 99.4 mol% of acrylonitrile units, 0.5 to 4.0 mol% of (meth)acrylamide -based units, and 0.1 to 3.0 mol% of unsaturated carboxylic acid hydroxyalkyl ester units and in which the (meth)acrylamide-based units are (meth)acrylamide units and/or (meth)acrylamide derivative units having a molecular weight of 105 or less; a precursor fiber comprising the copolymer; a process for producing flameproofed fi</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ADHESIVES 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 DYES GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OFARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES ORRIBBONS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL OR ARTIFICIAL THREADS OR FIBRES NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS POLISHES SPINNING TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP |
| title | Polyacrylonitrile copolymer, polyacrylonitrile precursor fiber for carbon fiber, carbon bundles, fabricating method of flame retardant bundles and fabricating method of carbon bundles |
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