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公开(公告)号:US20130009333A1
公开(公告)日:2013-01-10
申请号:US13635144
申请日:2011-03-17
申请人: Lakshmi Krishnamurthy , Zuohong Yin , Joachim C Ritter , Joel M Pollino , Michael T Pottiger , John C Howe , David Matthews Laura, JR. , Harry Vaughn Samuelson , Robert John Duff , Zheng-Zheng Huang
发明人: Lakshmi Krishnamurthy , Zuohong Yin , Joachim C Ritter , Joel M Pollino , Michael T Pottiger , John C Howe , David Matthews Laura, JR. , Harry Vaughn Samuelson , Robert John Duff , Zheng-Zheng Huang
IPC分类号: D04H3/16
摘要: A nonwoven web comprising bicomponent fibers. The fibers have continuous phases each of a first polyarylene sulfide (PAS) component and a polymer component. The polymer component may also be a second polyarylene sulfide. The first polyarylene sulfide component contains a tin or a zinc additive or both, and the first polyarylene sulfide component of any given fiber is at least partially exposed to the external surface of that fiber.
摘要翻译: 包含双组分纤维的非织造纤维网。 纤维具有各自具有第一聚芳硫醚(PAS)组分和聚合物组分的连续相。 聚合物组分也可以是第二聚芳硫醚。 第一聚芳硫醚组分含有锡或锌添加剂或两者,并且任何给定纤维的第一聚芳硫醚组分至少部分地暴露于该纤维的外表面。
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公开(公告)号:US20130005889A1
公开(公告)日:2013-01-03
申请号:US13634887
申请日:2011-03-23
申请人: Joachim C Ritter , Joel M Pollino , Michael T Pottiger , Zheng-Zheng Huang , John C Howe , Yefim Brun
发明人: Joachim C Ritter , Joel M Pollino , Michael T Pottiger , Zheng-Zheng Huang , John C Howe , Yefim Brun
CPC分类号: C12N9/18 , C11D3/38636 , C11D3/3945 , C12P7/40
摘要: This invention relates to methods for decreasing the complex viscosity of a polyarylene sulfide polymer melt while maintaining the molecular weight of the polyarylene sulfide with time. This invention also relates to polymer melt compositions comprising a polyarylene sulfide, wherein the complex viscosity of the composition is decreased relative to the complex viscosity of the native polyarylene sulfide measured under the same conditions, and the weight average molecular weight of the polyarylene sulfide is maintained. The methods of decreasing the complex viscosity of a polyarylene sulfide-containing polymer melt, and the polymer melt compositions so obtained, are useful in processes to produce fibers, films, nonwovens, and molded parts from polyarylene sulfides.
摘要翻译: 本发明涉及降低聚芳硫醚聚合物熔体的复数粘度同时保持聚芳硫醚的分子量随时间的方法。 本发明还涉及包含聚芳硫醚的聚合物熔融组合物,其中组合物的复合粘度相对于在相同条件下测量的天然聚芳硫醚的复数粘度降低,并且保持聚芳硫醚的重均分子量 。 降低含聚芳硫醚的聚合物熔体的复数粘度的方法和如此获得的聚合物熔体组合物可用于从聚亚芳基硫化物制备纤维,膜,无纺布和模制部件的方法中。
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