CARBON FIBER BUNDLE AND PRODUCTION METHOD THEREOF
PROBLEM TO BE SOLVED: To provide a carbon fiber which has excellent tensile elasticity and adhesion strength and exerts excellent mechanical strength even in carbon fiber reinforced composite materials using the carbon fiber in a very small amount used.SOLUTION: A method of producing a carbon fiber...
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| creator | ISE MASASHI HAYASHIDA KENGO TANAKA FUMIHIKO |
| description | PROBLEM TO BE SOLVED: To provide a carbon fiber which has excellent tensile elasticity and adhesion strength and exerts excellent mechanical strength even in carbon fiber reinforced composite materials using the carbon fiber in a very small amount used.SOLUTION: A method of producing a carbon fiber bundle comprises: subjecting a polyacrylonitrile based precursor fiber bundle to a flame resistance imparting treatment and preliminary carbonization to obtain a preliminarily carbonized fiber bundle of a trial length dependency coefficient mof the bundle strength of 2-9; and carbonizing the preliminarily carbonized fiber bundle in an inert atmosphere of 1,200-2,000°C under a tensile force of 13-18 mN/dtex, and the distance between drive rollers before and after the carbonization oven is set to be 50-500 mm. The carbon fiber bundle has a crystallite size Lc (nm) of 1.7-5.6, a crystal orientation (%) meeting the condition 3.1×Lc+82< |
| format | Patent |
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The carbon fiber bundle has a crystallite size Lc (nm) of 1.7-5.6, a crystal orientation (%) meeting the condition 3.1×Lc+82< <3.1×Lc+83 and a trial length dependency coefficient mof the bundle strength of 2-11.</description><language>eng</language><subject>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 ; SPINNING ; TEXTILES</subject><creationdate>2014</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=20140807&DB=EPODOC&CC=JP&NR=2014141762A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20140807&DB=EPODOC&CC=JP&NR=2014141762A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ISE MASASHI</creatorcontrib><creatorcontrib>HAYASHIDA KENGO</creatorcontrib><creatorcontrib>TANAKA FUMIHIKO</creatorcontrib><title>CARBON FIBER BUNDLE AND PRODUCTION METHOD THEREOF</title><description>PROBLEM TO BE SOLVED: To provide a carbon fiber which has excellent tensile elasticity and adhesion strength and exerts excellent mechanical strength even in carbon fiber reinforced composite materials using the carbon fiber in a very small amount used.SOLUTION: A method of producing a carbon fiber bundle comprises: subjecting a polyacrylonitrile based precursor fiber bundle to a flame resistance imparting treatment and preliminary carbonization to obtain a preliminarily carbonized fiber bundle of a trial length dependency coefficient mof the bundle strength of 2-9; and carbonizing the preliminarily carbonized fiber bundle in an inert atmosphere of 1,200-2,000°C under a tensile force of 13-18 mN/dtex, and the distance between drive rollers before and after the carbonization oven is set to be 50-500 mm. The carbon fiber bundle has a crystallite size Lc (nm) of 1.7-5.6, a crystal orientation (%) meeting the condition 3.1×Lc+82< <3.1×Lc+83 and a trial length dependency coefficient mof the bundle strength of 2-11.</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>NATURAL OR ARTIFICIAL THREADS OR FIBRES</subject><subject>SPINNING</subject><subject>TEXTILES</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2014</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDB0dgxy8vdTcPN0cg1ScAr1c_FxVXD0c1EICPJ3CXUO8QTK-bqGePi7KIR4uAa5-rvxMLCmJeYUp_JCaW4GJTfXEGcP3dSC_PjU4oLE5NS81JJ4rwAjA0MTIDQ3M3I0JkoRAIL7JsM</recordid><startdate>20140807</startdate><enddate>20140807</enddate><creator>ISE MASASHI</creator><creator>HAYASHIDA KENGO</creator><creator>TANAKA FUMIHIKO</creator><scope>EVB</scope></search><sort><creationdate>20140807</creationdate><title>CARBON FIBER BUNDLE AND PRODUCTION METHOD THEREOF</title><author>ISE MASASHI ; HAYASHIDA KENGO ; TANAKA FUMIHIKO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2014141762A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2014</creationdate><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>SPINNING</topic><topic>TEXTILES</topic><toplevel>online_resources</toplevel><creatorcontrib>ISE MASASHI</creatorcontrib><creatorcontrib>HAYASHIDA KENGO</creatorcontrib><creatorcontrib>TANAKA FUMIHIKO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>ISE MASASHI</au><au>HAYASHIDA KENGO</au><au>TANAKA FUMIHIKO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>CARBON FIBER BUNDLE AND PRODUCTION METHOD THEREOF</title><date>2014-08-07</date><risdate>2014</risdate><abstract>PROBLEM TO BE SOLVED: To provide a carbon fiber which has excellent tensile elasticity and adhesion strength and exerts excellent mechanical strength even in carbon fiber reinforced composite materials using the carbon fiber in a very small amount used.SOLUTION: A method of producing a carbon fiber bundle comprises: subjecting a polyacrylonitrile based precursor fiber bundle to a flame resistance imparting treatment and preliminary carbonization to obtain a preliminarily carbonized fiber bundle of a trial length dependency coefficient mof the bundle strength of 2-9; and carbonizing the preliminarily carbonized fiber bundle in an inert atmosphere of 1,200-2,000°C under a tensile force of 13-18 mN/dtex, and the distance between drive rollers before and after the carbonization oven is set to be 50-500 mm. The carbon fiber bundle has a crystallite size Lc (nm) of 1.7-5.6, a crystal orientation (%) meeting the condition 3.1×Lc+82< <3.1×Lc+83 and a trial length dependency coefficient mof the bundle strength of 2-11.</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 NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING TEXTILES |
| title | CARBON FIBER BUNDLE AND PRODUCTION METHOD THEREOF |
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