公开(公告)号：US08906278B2

公开(公告)日：2014-12-09

申请号：US13262620

申请日：2010-01-11

申请人： Muhuo Yu ,  Huaiping Rong ,  Keqing Han ,  Zhaohua Wang ,  Yiwei Zhang ,  Yincai Tian ,  Qinli Dong ,  Xi Zhao ,  Hui Zhang

发明人： Muhuo Yu ,  Huaiping Rong ,  Keqing Han ,  Zhaohua Wang ,  Yiwei Zhang ,  Yincai Tian ,  Qinli Dong ,  Xi Zhao ,  Hui Zhang

IPC分类号： D01D5/12 ,  D01D7/00 ,  D01D10/06 ,  B82Y30/00 ,  D02J1/22 ,  D01D5/06 ,  D01F1/02 ,  D01F6/18 ,  D01F9/22

CPC分类号： B82Y30/00 ,  B29C47/0014 ,  B29C47/8895 ,  D01D5/06 ,  D01F1/02 ,  D01F6/18 ,  D01F9/22 ,  D02J1/222

摘要： Processes for producing carbon fiber, the filament thereof and pre-oxidized fiber are provided. In one embodiment, the gel spinning of polyacrylonitrile filament is achieved by using small-molecule gelling agent, and the carbon fiber obtained thereby is increased by 15% to 40% in tensile strength and by 20% to 35% in toughness. In another embodiment, the melt spinning process of polyacrylonitrile is conducted by using imidazole type ion liquid as plasticizer, the process reduces environment pollution, is suitable for industrial production and the fiber produced thereby is improved in its strength. In yet another embodiment, polyacrylonitrile pre-oxidized fiber is produced by melt spinning, so low cost and controllable pre-oxidization of polyacrylonitrile can be achieved. In a further embodiment, high strength carbon fiber is manufactured by using polymer thickening agent. In another further embodiment, low cost and controllable pre-oxidization of polyacrylonitrile is achieved by conducting pre-oxidization before spinning, minimizing skin-core structure, so as to produce high performance carbon fiber, and reduce the production cost of carbon fiber greatly.

摘要翻译： 提供了生产碳纤维，其长丝和预氧化纤维的方法。 在一个实施方案中，通过使用小分子胶凝剂来实现聚丙烯腈长丝的凝胶纺丝，并且由此获得的碳纤维的拉伸强度增加15％至40％，韧性增加20％至35％。 在另一个实施方案中，聚丙烯腈的熔融纺丝过程是通过使用咪唑型离子液体作为增塑剂进行的，该方法减少了环境污染，适用于工业生产，其生产的纤维的强度提高。 在另一个实施方案中，通过熔融纺丝制备聚丙烯腈预氧化纤维，因此可以实现聚丙烯腈的低成本和可控的预氧化。 在另一个实施方案中，通过使用聚合物增稠剂制造高强度碳纤维。 在另一个实施方案中，聚丙烯腈的低成本和可控的预氧化通过在纺丝之前进行预氧化，使皮芯结构最小化，从而生产高性能碳纤维，并大大降低碳纤维的生产成本来实现。

公开(公告)号：US20120027944A1

公开(公告)日：2012-02-02

申请号：US13262620

申请日：2010-01-11

申请人： Muhuo Yu ,  Huaiping Rong ,  Keqing Han ,  Zhaohua Wang ,  Yiwei Zhang ,  Yincai Tian ,  Qinli Dong ,  Xi Zhao ,  Hui Zhang

发明人： Muhuo Yu ,  Huaiping Rong ,  Keqing Han ,  Zhaohua Wang ,  Yiwei Zhang ,  Yincai Tian ,  Qinli Dong ,  Xi Zhao ,  Hui Zhang

IPC分类号： D01F9/22 ,  B06B1/20 ,  B29C47/88 ,  D01F1/02 ,  B82Y40/00

CPC分类号： B82Y30/00 ,  B29C47/0014 ,  B29C47/8895 ,  D01D5/06 ,  D01F1/02 ,  D01F6/18 ,  D01F9/22 ,  D02J1/222

摘要： Processes for producing carbon fibre, the filament thereof and pre-oxidized fibre are provided. In one embodiment, the gel spinning of polyacrylonitrile filament is achieved by using small-molecule gelling agent, and the carbon fibre obtained thereby is increased by 15% to 40% in tensile strength and by 20% to 35% in toughness. In another embodiment, the melt spinning process of polyacrylonitrile is conducted by using imidazole type ion liquid as plasticizer, the process reduces environment pollution, is suitable for industrial production and the fibre produced thereby is improved in its strength. In yet another embodiment, polyacrylonitrile pre-oxidized fibre is produced by melt spinning, so low cost and controllable pre-oxidization of polyacrylonitrile can be achieved. In a further embodiment, high strength carbon fibre is manufactured by using polymer thickening agent. In another further embodiment, low cost and controllable pre-oxidization of polyacrylonitrile is achieved by conducting pre-oxidization before spinning, minimizing skin-core structure, so as to produce high performance carbon fibre, and reduce the production cost of carbon fibre greatly.

摘要翻译： 提供了生产碳纤维，其长丝和预氧化纤维的方法。 在一个实施方案中，通过使用小分子胶凝剂来实现聚丙烯腈长丝的凝胶纺丝，并且由此获得的碳纤维的拉伸强度增加15％至40％，韧性增加20％至35％。 在另一个实施方案中，聚丙烯腈的熔融纺丝过程是通过使用咪唑型离子液体作为增塑剂进行的，该方法减少了环境污染，适用于工业生产，其生产的纤维的强度提高。 在另一个实施方案中，通过熔融纺丝制备聚丙烯腈预氧化纤维，因此可以实现聚丙烯腈的低成本和可控的预氧化。 在另一个实施方案中，通过使用聚合物增稠剂制造高强度碳纤维。 在另一个实施方案中，聚丙烯腈的低成本和可控的预氧化通过在纺丝之前进行预氧化，使皮芯结构最小化，从而生产高性能碳纤维，并大大降低碳纤维的生产成本来实现。