发明申请
US20110311430A1 PROCESS FOR PRODUCTION OF PRECURSOR FIBER FOR PREPARING CARBON FIBER HAVING HIGH STRENGTH AND HIGH ELASTIC MODULUS
审中-公开
用于制备具有高强度和高弹性模量的碳纤维的前身纤维的生产方法
- 专利标题： PROCESS FOR PRODUCTION OF PRECURSOR FIBER FOR PREPARING CARBON FIBER HAVING HIGH STRENGTH AND HIGH ELASTIC MODULUS
- 专利标题（中）： 用于制备具有高强度和高弹性模量的碳纤维的前身纤维的生产方法
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申请号： US13254290申请日： 2010-03-05
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公开(公告)号： US20110311430A1公开(公告)日： 2011-12-22
- 发明人: Yukihiko Abe , Hirokazu Nishimura , Koichi Hirao , Shinsuke Yamaguchi , Daisuke Sakura , Yoshihiro Watanabe , Bunshi Fugetsu
- 申请人： Yukihiko Abe , Hirokazu Nishimura , Koichi Hirao , Shinsuke Yamaguchi , Daisuke Sakura , Yoshihiro Watanabe , Bunshi Fugetsu
- 优先权： JP2009-053595 20090306; JP2009-224215 20090929
- 国际申请： PCT/JP2010/001545 WO 20100305
- 主分类号： D01F9/12
- IPC分类号： D01F9/12 ; C08K7/24 ; D01D5/12 ; C08L33/20
摘要：
The present invention provides a process for producing a precursor fiber which can provide a carbon fiber having high strength and high elastic modulus. The process of the present invention comprises a step where an aqueous solution of amphoteric molecule is prepared; a step where carbon nanotube is added to the aqueous solution of the amphoteric molecule so that the carbon nanotube is dispersed therein to prepare a dispersion of carbon nanotube; a step where the carbon nanotube dispersion is mixed with a polyacrylonitrile polymer and rhodanate or zinc chloride to prepare a spinning dope; a step where a coagulated yarn is prepared from the spinning dope by a wet or dry-wet spinning method; and a step where the coagulated yarn is drawn to give a precursor fiber for carbon fiber.
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