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公开(公告)号：US11479881B2
公开(公告)日：2022-10-25
申请号：US15315220
申请日：2016-02-15
Applicant: Cytec Industries Inc.
Inventor： John Desmond Cook , Thomas Taylor , Girish Vishnukant Deshpande , Longgui Tang , Barry DeWayne Meece , Suzanne Crawford , Shao C. Chiu , Billy D. Harmon , Alan Thomas
IPC: B29C48/05 , D01D5/06 , B29C48/00 , D01F6/18 , D01F9/22 , D01F9/12 , D01F6/38 , B29K33/20 , B29L31/00
Abstract: The present disclosure relates generally to carbon fibers having high tensile strength and modulus of elasticity, as well as a process for the manufacture of such carbon fiber. The process comprises spinning a polymer/solvent solution into a solvent/water bath in the range of 78%-85% solvent, thereby producing a dense fiber structure, and subsequently carbonizing the polymer precursor fiber at a lower than typical carbonization temperature to form carbon fibers.
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公开(公告)号：US09757768B2
公开(公告)日：2017-09-12
申请号：US14551128
申请日：2014-11-24
Applicant: Cytec Industries Inc.
Inventor： Shao C. Chiu , Longgui Tang , Billy D. Harmon
IPC: B05D1/18 , B05D3/10 , B05D3/00 , B05D7/24 , D06M15/327 , D06M15/53 , D06M15/55 , D06M15/59 , D06M15/63 , D06M23/10 , B05D3/02 , D06M101/40
CPC classification number: B05D3/007 , B05D1/18 , B05D3/0254 , B05D3/107 , B05D7/24 , B05D2203/00 , B05D2203/30 , B05D2256/00 , B05D2401/20 , B05D2401/21 , B05D2504/00 , B05D2505/50 , B05D2508/00 , D06M15/327 , D06M15/53 , D06M15/55 , D06M15/59 , D06M15/63 , D06M23/10 , D06M2101/40
Abstract: Various embodiments directed towards methods of applying sizing to fibers are disclosed herein. In some embodiments, solvent can be used to dissolve a sizing material into a solution, which can then be used to coat the fibers. In some embodiments, a water bath is used to coagulate a sizing on the fiber surface and to remove the remove solvent after coating the fibers, so that water vapor can be created during a subsequent drying step as opposed to solvent vapors. In some embodiments, strong acids or strong bases can be used as the solvent.
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公开(公告)号：US10189985B2
公开(公告)日：2019-01-29
申请号：US15923368
申请日：2018-03-16
Applicant: CYTEC INDUSTRIES INC.
Inventor： Longgui Tang , Alan D. Thomas , Billy D. Harmon
IPC: C08F2/06 , C08L33/20 , B29C47/00 , C08F120/44 , C08F2/38 , C08F220/44 , C08F6/00 , D01F9/22 , B29D99/00 , B29K55/00 , B29L31/00 , D01D5/06
Abstract: A method for synthesizing polyacrylonitrile (PAN) polymer with a narrow molecular weight distribution is disclosed. The preferred PAN polymer has a PDI (Mw/Mn) of about 2 or less. Such PAN polymer is synthesized by controlled/living radical polymerization using a special RAFT (Reversible Addition-Fragmentation Chain Transfer) agent. Also disclosed is a method for producing carbon fibers from PAN polymer with low PDI.
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4.发明申请公开(公告)号：US20180207849A1
公开(公告)日：2018-07-26
申请号：US15923368
申请日：2018-03-16
Applicant: CYTEC INDUSTRIES INC.
Inventor： Longgui Tang , Alan D. Thomas , Billy D. Harmon
IPC: B29C47/00 , D01F9/22 , C08F6/00 , C08F2/06 , C08F2/38 , C08L33/20 , C08F120/44 , C08F220/44 , B29L31/00 , B29D99/00 , B29K55/00 , D01D5/06
CPC classification number: B29C47/0004 , B29D99/0078 , B29K2055/00 , B29L2031/731 , C08F2/06 , C08F2/38 , C08F6/003 , C08F120/44 , C08F220/44 , C08F2438/03 , C08L33/20 , D01D5/06 , D01F9/22
Abstract: A method for synthesizing polyacrylonitrile (PAN) polymer with a narrow molecular weight distribution is disclosed. The preferred PAN polymer has a PDI (Mw/Mn) of about 2 or less. Such PAN polymer is synthesized by controlled/living radical polymerization using a special RAFT (Reversible Addition-Fragmentation Chain Transfer) agent. Also disclosed is a method for producing carbon fibers from PAN polymer with low PDI.
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公开(公告)号：US20160263803A1
公开(公告)日：2016-09-15
申请号：US15043771
申请日：2016-02-15
Applicant: Cytec Industries Inc.
Inventor： John Desmond Cook , Thomas Taylor , Girish Vishnukant Deshpande , Longgui Tang , Barry DeWayne Meece , Suzanne Crawford , Shao C. Chiu , Billy D. Harmon , Alan Thomas
CPC classification number: D01D5/06 , B29C48/022 , B29C48/05 , B29K2033/20 , B29L2031/731 , D01F6/18 , D01F6/38 , D01F9/12 , D01F9/22 , D01F9/225
Abstract: The present disclosure relates generally to carbon fibers having high tensile strength and modulus of elasticity, as well as a process for the manufacture of such carbon fiber. The process comprises spinning a polymer/solvent solution into a solvent/water bath in the range of 78%-85% solvent, thereby producing a dense fiber structure, and subsequently carbonizing the polymer precursor fiber at a lower than typical carbonization temperature to form carbon fibers.
Abstract translation: 本公开一般涉及具有高拉伸强度和弹性模量的碳纤维，以及制造这种碳纤维的方法。 该方法包括将聚合物/溶剂溶液在78％-85％溶剂范围内的溶剂/水浴中纺丝，从而产生致密的纤维结构，随后在低于典型的碳化温度下使聚合物前体纤维碳化以形成碳 纤维。
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Patent Agency Ranking
6.发明申请POLYACRYLONITRILE (PAN) POLYMERS WITH LOW POLYDISPERSITY INDEX (PDI) AND CARBON FIBERS MADE THEREFROM 有权具有低聚物指数（PDI）和碳纤维的聚丙烯腈（PAN）聚合物公开(公告)号：US20150174807A1
公开(公告)日：2015-06-25
申请号：US14549764
申请日：2014-11-21
Applicant: Cytec Industries Inc.
Inventor： Longgui Tang , Alan D. Thomas , Billy D. Harmon
IPC: B29C47/00 , C08F120/44
CPC classification number: B29C47/0004 , B29D99/0078 , B29K2055/00 , B29L2031/731 , C08F2/06 , C08F2/38 , C08F6/003 , C08F120/44 , C08F220/44 , C08F2438/03 , C08L33/20 , D01D5/06 , D01F9/22
Abstract: A method for synthesizing polyacrylonitrile (PAN) polymer with a narrow molecular weight distribution is disclosed. The preferred PAN polymer has a PDI (Mw/Mn) of about 2 or less. Such PAN polymer is synthesized by controlled/living radical polymerization using a special RAFT (Reversible Addition-Fragmentation Chain Transfer) agent. Also disclosed is a method for producing carbon fibers from PAN polymer with low PDI.
Abstract translation: 公开了一种合成具有窄分子量分布的聚丙烯腈（PAN）聚合物的方法。 优选的PAN聚合物具有约2或更小的PDI（Mw / Mn）。 这种PAN聚合物通过使用特殊的RAFT（可逆加成 - 分段链转移）试剂的控制/活性自由基聚合合成。 还公开了由具有低PDI的PAN聚合物生产碳纤维的方法。
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公开(公告)号：US10647844B2
公开(公告)日：2020-05-12
申请号：US16257908
申请日：2019-01-25
Applicant: Cytec Industries Inc.
Inventor： Longgui Tang , Alan D. Thomas , Billy D. Harmon
IPC: C08L33/20 , C08F120/44 , B29C48/00 , C08F2/06 , C08F2/38 , C08F220/44 , C08F6/00 , B29C71/02 , D01F9/22 , B29D99/00 , B29K55/00 , B29L31/00 , D01D5/06 , B82Y40/00
Abstract: A method for synthesizing polyacrylonitrile (PAN) polymer with a narrow molecular weight distribution is disclosed. The preferred PAN polymer has a PDI (Mw/Mn) of about 2 or less. Such PAN polymer is synthesized by controlled/living radical polymerization using a special RAFT (Reversible Addition-Fragmentation Chain Transfer) agent. Also disclosed is a method for producing carbon fibers from PAN polymer with low PDI.
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公开(公告)号：US09957645B2
公开(公告)日：2018-05-01
申请号：US14549764
申请日：2014-11-21
Applicant: Cytec Industries Inc.
Inventor： Longgui Tang , Alan D. Thomas , Billy D. Harmon
IPC: D01F9/22 , B29C47/00 , C08F120/44 , C08F2/06 , C08F2/38 , C08F220/44 , C08F6/00 , C08L33/20 , B29D99/00 , B29K55/00 , B29L31/00 , D01D5/06
CPC classification number: B29C47/0004 , B29D99/0078 , B29K2055/00 , B29L2031/731 , C08F2/06 , C08F2/38 , C08F6/003 , C08F120/44 , C08F220/44 , C08F2438/03 , C08L33/20 , D01D5/06 , D01F9/22
Abstract: A method for synthesizing polyacrylonitrile (PAN) polymer with a narrow molecular weight distribution is disclosed. The preferred PAN polymer has a PDI (Mw/Mn) of about 2 or less. Such PAN polymer is synthesized by controlled/living radical polymerization using a special RAFT (Reversible Addition-Fragmentation Chain Transfer) agent. Also disclosed is a method for producing carbon fibers from PAN polymer with low PDI.
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公开(公告)号：US20170362742A1
公开(公告)日：2017-12-21
申请号：US15315220
申请日：2016-02-15
Applicant: CYTEC INDUSTRIES INC.
Inventor： John Desmond COOK , Thomas TAYLOR , Girish Vishnukant DESHPANDE , Longgui TANG , Barry DeWayne MEECE , Suzanne CRAWFORD , Shao C. CHIU , Billy D. Harmon , Alan THOMAS
CPC classification number: D01D5/06 , B29C48/022 , B29C48/05 , B29K2033/20 , B29L2031/731 , D01F6/18 , D01F6/38 , D01F9/12 , D01F9/22 , D01F9/225
Abstract: The present disclosure relates generally to carbon fibers having high tensile strength and modulus of elasticity, as well as a process for the manufacture of such carbon fiber. The process comprises spinning a polymer/solvent solution into a solvent/water bath in the range of 78%-85% solvent, thereby producing a dense fiber structure, and subsequently carbonizing the polymer precursor fiber at a lower than typical carbonization temperature to form carbon fibers.
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公开(公告)号：US20160221034A1
公开(公告)日：2016-08-04
申请号：US14551128
申请日：2014-11-24
Applicant: Cytec Industries Inc.
Inventor： Shao C. Chiu , Longgui Tang , Billy D. Harmon
CPC classification number: B05D3/007 , B05D1/18 , B05D3/0254 , B05D3/107 , B05D7/24 , B05D2203/00 , B05D2203/30 , B05D2256/00 , B05D2401/20 , B05D2401/21 , B05D2504/00 , B05D2505/50 , B05D2508/00 , D06M15/327 , D06M15/53 , D06M15/55 , D06M15/59 , D06M15/63 , D06M23/10 , D06M2101/40
Abstract: Various embodiments directed towards methods of applying sizing to fibers are disclosed herein. In some embodiments, solvent can be used to dissolve a sizing material into a solution, which can then be used to coat the fibers. In some embodiments, a water bath is used to coagulate a sizing on the fiber surface and to remove the remove solvent after coating the fibers, so that water vapor can be created during a subsequent drying step as opposed to solvent vapors. In some embodiments, strong acids or strong bases can be used as the solvent.
Abstract translation: 本文公开了针对纤维施加尺寸的方法的各种实施方案。 在一些实施方案中，可以使用溶剂将上浆材料溶解到溶液中，然后可以将其涂覆在纤维上。 在一些实施方案中，水浴用于凝结纤维表面上的上浆并且在涂覆纤维之后去除除去溶剂，使得在随后的干燥步骤中可以产生水蒸汽，而不是溶剂蒸气。 在一些实施方案中，可以使用强酸或强碱作为溶剂。
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