To provide a carbon fiber base material which achieves heat resistance and moldability at a high level, and a prepreg and a porous structure using the same which have high resistance.SOLUTION: A carbon fiber base material contains carbon fibers (A), and a resin composition (B) coating the surface of the carbon fibers (A), wherein the carbon fibers (A) form a non-woven fabric, and tensile strength after heating at 300°C for 5 minutes is 110% or more of that before heating.SELECTED DRAWING: Figure 1
【課題】耐熱性と成形加工性とを高いレベルで両立させた炭素繊維基材を得て、それを用いた耐熱性の高いプリプレグや多孔質構造体を提供する。【解決手段】炭素繊維(A)と、炭素繊維(A)の表面を被覆する樹脂組成物(B)とを含み、炭素繊維(A)が不織布を形成しており、300℃で5分間加熱後の引張強度が前記加熱前の110%以上である、炭素繊維基材。【選択図】図1
CARBON FIBER BASE MATERIAL, PREPREG, POROUS STRUCTURE, PRODUCTION METHOD OF THE SAME, PREFORM, FIBER-REINFORCED RESIN MOLDING, SANDWICH STRUCTURE, AND AIRCRAFT MEMBER
炭素繊維基材、プリプレグ、多孔質構造体、その製造方法、プリフォーム、繊維強化樹脂成形体、サンドイッチ構造体および航空機部材
2024-03-04
Patent
Electronic Resource
Japanese
IPC: | D06M Behandeln von Fasern, Fäden, Garnen, Textilgut, Federn oder aus solchen Materialien hergestelltem Fasergut, soweit nicht anderweitig in Klasse D06 vorgesehen , TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS / B29B PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED , Vorbereiten oder Vorbehandeln der zu verformenden Masse / B64C AEROPLANES , Flugzeuge / C08J Verarbeitung , WORKING-UP / D04H Herstellen von flächigem Textilgut, z.B. aus Fasern oder fadenförmigem Material , MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL |
FUEL TANK AND METHOD FOR MOLDING FIBER-REINFORCED RESIN MEMBER
European Patent Office | 2018
|European Patent Office | 2019
|European Patent Office | 2015
|