PRODUCTION METHOD OF CARBON FIBER

To provide an efficient production method of carbon fiber excellent in fiber openability, from which a prepreg or fabric excellent in appearance quality can be obtained, with reduced problems in a step of firing a fiber bundle of carbon fiber precursor to make carbon fiber.SOLUTION: A production met...

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Bibliographische Detailangaben
Hauptverfasser:	FUKUYAMA MITSUFUMI, MITANI KAZUTAMI, TOMOBE HITOSHI, OKA YUSUKE
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS CALCULATING CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS COMPUTING COUNTING FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR IMAGE DATA PROCESSING OR GENERATION, IN GENERAL INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES LAUNDERING MARKING, INSPECTING, SEAMING OR SEVERING TEXTILE MATERIALS MEASURING NATURAL OR ARTIFICIAL THREADS OR FIBRES PHYSICS SPINNING TESTING TEXTILES TREATMENT OF TEXTILES OR THE LIKE
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Beschreibung
Zusammenfassung:	To provide an efficient production method of carbon fiber excellent in fiber openability, from which a prepreg or fabric excellent in appearance quality can be obtained, with reduced problems in a step of firing a fiber bundle of carbon fiber precursor to make carbon fiber.SOLUTION: A production method of carbon fiber includes production steps of a fiber bundle of carbon fiber precursor including recording data of continuous evaluation on a running fiber bundle of carbon fiber precursor, determining a problematic part based on the recorded data, and firing the fiber bundle of carbon fiber precursor with the problematic part removed.SELECTED DRAWING: Figure 1 【課題】炭素繊維前駆体繊維束を焼成して炭素繊維とする工程の不具合を低減し、外観品位に優れたプリプレグや織物が得られる開繊性に優れた炭素繊維を効率的に製造する方法の提供。【解決手段】炭素繊維前駆体繊維束の製造工程において、走行する炭素繊維前駆体繊維束を連続的に評価して情報を記録し、記録した情報に基づいて不具合懸念部分を決定し、不具合懸念部分を除去した炭素繊維前駆体繊維束を焼成する炭素繊維の製造方法。【選択図】図１