中间相沥青基碳纤维的制备工艺及应用

Preparation and Application of Mesophase Pitch Based Carbon Fiber

中间相沥青基碳纤维是以中间相沥青为前驱体,经过熔融纺丝、预氧化、炭化过程制备而来,以其高模量、高导热等优越性能,在航空航天、电工电子等领域有着广泛的应用,作为一种军民两用的高性能材料,具有广阔的发展前景。本文主要介绍了中间相沥青基碳纤维的制备方法、国内外发展现状及应用领域,同时阐明了我国高性能中间相沥青基碳纤维面临的挑战。

Mesophase pitch based carbon fiber is the precursor of mesophase pitch,prepared through melt spinning,pre-oxidation,carbonization process.It has a wide range of applications in aerospace,electrical and electronic fields with its high modulus,high thermal conductivity and other superior properties.As a kind of dual-use materials,it has broad prospects for development.The preparation methods,development status and application fields of mesophase asphalt based carbon fiber at home and abroad were introduced in this paper.The challenges and development prospects of high performance mesophase asphalt based carbon fiber in our country were also expounded.