CARBON FIBER, PROCESS FOR PRODUCTION OF POLYACRYLONITRILE-BASE PRECURSOR FIBER FOR CARBON FIBER PRODUCTION, AND PROCESS FOR PRODUCTION OF CARBON FIBER

A process for the production of polyacrylonitrile-base precursor fiber for carbon fiber production which comprises spinning a spinning dope containing a polyacrylonitrile-base polymer having a limiting viscosity of 2.0 to 10.0 in a concentration of 10 to 25% by weight by a wet spinning method or a d...

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Hauptverfasser:	ISE, Masafumi, ENDO, Makoto, NAKAYAMA, Isao
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS NATURAL OR ARTIFICIAL THREADS OR FIBRES PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS SPINNING TEXTILES TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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creator	ISE, Masafumi ENDO, Makoto NAKAYAMA, Isao
description	A process for the production of polyacrylonitrile-base precursor fiber for carbon fiber production which comprises spinning a spinning dope containing a polyacrylonitrile-base polymer having a limiting viscosity of 2.0 to 10.0 in a concentration of 10 to 25% by weight by a wet spinning method or a dry-wet spinning method, subjecting the obtained fiber to dry and heat treatment, and then steam-stretching the resulting fiber, wherein the extrusion linear speed of the polyacrylonitrile-base polymer from spinnerets is 2 to 15 m/min; and a carbon fiber which is produced by firing the polyacrylonitrile-base precursor fiber obtained by the process and which has a strand tensile modulus of 320 to 380 GPa and a conduction electron density of 3.0 x 10 19 to 7.0 x 10 19 spins/g as determined by electron spin resonance.
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and a carbon fiber which is produced by firing the polyacrylonitrile-base precursor fiber obtained by the process and which has a strand tensile modulus of 320 to 380 GPa and a conduction electron density of 3.0 x 10 19 to 7.0 x 10 19 spins/g as determined by electron spin resonance.</description><language>eng ; fre ; ger</language><subject>AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING ; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS ; CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS ; NATURAL OR ARTIFICIAL THREADS OR FIBRES ; PERFORMING OPERATIONS ; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR ; SHAPING OR JOINING OF PLASTICS ; SPINNING ; TEXTILES ; TRANSPORTING ; WORKING OF PLASTICS ; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</subject><creationdate>2018</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=20180207&DB=EPODOC&CC=EP&NR=1961847B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,778,883,25551,76302</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20180207&DB=EPODOC&CC=EP&NR=1961847B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ISE, Masafumi</creatorcontrib><creatorcontrib>ENDO, Makoto</creatorcontrib><creatorcontrib>NAKAYAMA, Isao</creatorcontrib><title>CARBON FIBER, PROCESS FOR PRODUCTION OF POLYACRYLONITRILE-BASE PRECURSOR FIBER FOR CARBON FIBER PRODUCTION, AND PROCESS FOR PRODUCTION OF CARBON FIBER</title><description>A process for the production of polyacrylonitrile-base precursor fiber for carbon fiber production which comprises spinning a spinning dope containing a polyacrylonitrile-base polymer having a limiting viscosity of 2.0 to 10.0 in a concentration of 10 to 25% by weight by a wet spinning method or a dry-wet spinning method, subjecting the obtained fiber to dry and heat treatment, and then steam-stretching the resulting fiber, wherein the extrusion linear speed of the polyacrylonitrile-base polymer from spinnerets is 2 to 15 m/min; and a carbon fiber which is produced by firing the polyacrylonitrile-base precursor fiber obtained by the process and which has a strand tensile modulus of 320 to 380 GPa and a conduction electron density of 3.0 x 10 19 to 7.0 x 10 19 spins/g as determined by electron spin resonance.</description><subject>AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING</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>NATURAL OR ARTIFICIAL THREADS OR FIBRES</subject><subject>PERFORMING OPERATIONS</subject><subject>SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR</subject><subject>SHAPING OR JOINING OF PLASTICS</subject><subject>SPINNING</subject><subject>TEXTILES</subject><subject>TRANSPORTING</subject><subject>WORKING OF PLASTICS</subject><subject>WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2018</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJjm7Bjk5O-n4Obp5BqkoxAQ5O_sGhys4OYfBGK7hDqHeAJl_d0UAvx9Ih2dgyJ9_P08Q4I8fVx1nRyDXYGKXJ1Dg4KBysEmgDUiG4lkio6Co58LHhuQtfEwsKYl5hSn8kJpbgYFN9cQZw_d1IL8-NTigsTk1LzUknjXAENLM0MLE3MnQ2MilAAAYyNB3Q</recordid><startdate>20180207</startdate><enddate>20180207</enddate><creator>ISE, Masafumi</creator><creator>ENDO, Makoto</creator><creator>NAKAYAMA, Isao</creator><scope>EVB</scope></search><sort><creationdate>20180207</creationdate><title>CARBON FIBER, PROCESS FOR PRODUCTION OF POLYACRYLONITRILE-BASE PRECURSOR FIBER FOR CARBON FIBER PRODUCTION, AND PROCESS FOR PRODUCTION OF CARBON FIBER</title><author>ISE, Masafumi ; ENDO, Makoto ; NAKAYAMA, Isao</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP1961847B13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2018</creationdate><topic>AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING</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>NATURAL OR ARTIFICIAL THREADS OR FIBRES</topic><topic>PERFORMING OPERATIONS</topic><topic>SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR</topic><topic>SHAPING OR JOINING OF PLASTICS</topic><topic>SPINNING</topic><topic>TEXTILES</topic><topic>TRANSPORTING</topic><topic>WORKING OF PLASTICS</topic><topic>WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</topic><toplevel>online_resources</toplevel><creatorcontrib>ISE, Masafumi</creatorcontrib><creatorcontrib>ENDO, Makoto</creatorcontrib><creatorcontrib>NAKAYAMA, Isao</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>ISE, Masafumi</au><au>ENDO, Makoto</au><au>NAKAYAMA, Isao</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>CARBON FIBER, PROCESS FOR PRODUCTION OF POLYACRYLONITRILE-BASE PRECURSOR FIBER FOR CARBON FIBER PRODUCTION, AND PROCESS FOR PRODUCTION OF CARBON FIBER</title><date>2018-02-07</date><risdate>2018</risdate><abstract>A process for the production of polyacrylonitrile-base precursor fiber for carbon fiber production which comprises spinning a spinning dope containing a polyacrylonitrile-base polymer having a limiting viscosity of 2.0 to 10.0 in a concentration of 10 to 25% by weight by a wet spinning method or a dry-wet spinning method, subjecting the obtained fiber to dry and heat treatment, and then steam-stretching the resulting fiber, wherein the extrusion linear speed of the polyacrylonitrile-base polymer from spinnerets is 2 to 15 m/min; and a carbon fiber which is produced by firing the polyacrylonitrile-base precursor fiber obtained by the process and which has a strand tensile modulus of 320 to 380 GPa and a conduction electron density of 3.0 x 10 19 to 7.0 x 10 19 spins/g as determined by electron spin resonance.</abstract><oa>free_for_read</oa></addata></record>
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language	eng ; fre ; ger
recordid	cdi_epo_espacenet_EP1961847B1
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subjects	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS NATURAL OR ARTIFICIAL THREADS OR FIBRES PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS SPINNING TEXTILES TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
title	CARBON FIBER, PROCESS FOR PRODUCTION OF POLYACRYLONITRILE-BASE PRECURSOR FIBER FOR CARBON FIBER PRODUCTION, AND PROCESS FOR PRODUCTION OF CARBON FIBER
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