公开(公告)号：US06911257B2

公开(公告)日：2005-06-28

申请号：US10483066

申请日：2002-07-05

申请人： Jippe Van Ruiten ,  Johan A. F. Kunst ,  Rudy Rulkens ,  Jan P Penning

发明人： Jippe Van Ruiten ,  Johan A. F. Kunst ,  Rudy Rulkens ,  Jan P Penning

IPC分类号： B60C9/00 ,  C08G69/04 ,  C08G69/06 ,  C08G69/30 ,  D01F6/60 ,  D01F6/00

CPC分类号： C08G69/04 ,  C08G69/06 ,  C08G69/30 ,  D01F6/60 ,  Y10T428/2913 ,  Y10T428/2969

摘要： The invention relates to a process for the manufacture of homopolyamide-4,6 fibers by melt spinning of homopolyamide-4,6, to fibers and multifilament yarns obtainable by the process and the use thereof for the reinforcement of rubber like in tire cords, V-belts etc. The invention further relates to a novel homopolyamide-4,6, a process for the manufacture thereof and the use of the new homopolyamide-4,6 for the manufacture of fibers, films and injection molded articles. The homopolyamide-4,6 fiber is manufactured by melt spinning of homopolyamide-4,6 having nascent morphology with a melting enthalpy of at least 140 J/g and a main melting temperature between 290 and 305° C.

摘要翻译： 本发明涉及通过将均聚酰胺-4,6熔融纺丝制备均聚酰胺-4,6纤维的方法，其可通过该方法获得的纤维和复丝纱线及其用于加强轮胎帘线中的橡胶V 皮带等。本发明还涉及一种新的均聚酰胺-4,6，其制造方法和使用新的均聚酰胺-4,6来制造纤维，薄膜和注模制品。 均聚酰胺-4,6纤维通过熔融纺丝具有新生形态的均聚酰胺-4,6，熔融焓至少为140J / g，主熔融温度在290至305℃之间进行制备。

公开(公告)号：US20050017398A1

公开(公告)日：2005-01-27

申请号：US10483066

申请日：2002-07-05

申请人： Jippe Van Ruiten ,  Johan Kunst ,  Rudy Rulkens ,  Jan Penning

发明人： Jippe Van Ruiten ,  Johan Kunst ,  Rudy Rulkens ,  Jan Penning

IPC分类号： B60C9/00 ,  C08G69/04 ,  C08G69/06 ,  C08G69/30 ,  D01F6/60 ,  B32B27/00

CPC分类号： C08G69/04 ,  C08G69/06 ,  C08G69/30 ,  D01F6/60 ,  Y10T428/2913 ,  Y10T428/2969

摘要： The invention relates to a process for the manufacture of homopolyamide-4,6 fibers by melt spinning of homopolyamide-4,6, to fibers and multifilament yarns obtainable by the process and the use thereof for the reinforcement of rubber like in tire cords, V-belts etc. The invention further relates to a novel homopolyamide-4,6, a process for the manufacture thereof and the use of the new homopolyamide-4,6 for the manufacture of fibers, films and injection molded articles. The homopolyamide-4,6 fiber is manufactured by melt spinning of homopolyamide-4,6 having nascent morphology with a melting enthalpy of at least 140 J/g and a main melting temperature between 290 and 305° C.

公开(公告)号：US06562940B2

公开(公告)日：2003-05-13

申请号：US09946679

申请日：2001-09-06

申请人： Frank T. Kühn ,  Rudy Rulkens

发明人： Frank T. Kühn ,  Rudy Rulkens

IPC分类号： C08G6900

CPC分类号： C08J3/12 ,  C08G69/04 ,  C08G69/28 ,  C08G69/46 ,  C08J2377/00

摘要： The invention relates to a granule and granulate and to a process for the preparation of polyamide granules at least comprising a) polymerizing at least one dicarboxylic acid and at least one diamine until a low-molecular prepolymer powder is obtained; b) processing the prepolymer powder obtained in step (a) to form granules, with the prepolymer powder being extruded at a temperature, measured under the chosen extrusion conditions, below the melting point of the prepolymer. The process of the invention allows the production of granules that have a higher granule strength than that according to the state of the art. The process of the invention also produces fewer fines. It is preferred for polyamide-4,6 to be chosen as polyamide. The granules and the granulate obtained by the process of the invention are particularly suited for post-condensation.

摘要翻译： 本发明涉及一种颗粒和颗粒以及一种制备聚酰胺颗粒的方法，至少包括：a）聚合至少一种二羧酸和至少一种二胺，直至获得低分子量预聚物粉末; b）加工得到的预聚物粉末 在步骤（a）中形成颗粒，其中预聚物粉末在选定的挤出条件下测量的温度下挤出，低于预聚物的熔点。本发明的方法允许生产具有较高颗粒强度的颗粒 比根据现有技术。 本发明的方法还产生较少的细粉。 优选选择聚酰胺-4,6作为聚酰胺。通过本发明的方法获得的颗粒和颗粒特别适用于后冷凝。