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    Multilayer coextruded material for medical grade products and products made therefrom
    1.
    发明授权
    Multilayer coextruded material for medical grade products and products made therefrom 失效
    用于医疗级产品和由其制成的产品的多层共挤出材料

    公开(公告)号：US06465068B1

    公开(公告)日：2002-10-15

    申请号：US09660970

    申请日：2000-09-13

    申请人： Indrajit Patel ,  Harold Bowerman ,  Larry Rosenbaum ,  Rich Mennenoh ,  Pat Ryan

    发明人： Indrajit Patel ,  Harold Bowerman ,  Larry Rosenbaum ,  Rich Mennenoh ,  Pat Ryan

    IPC分类号： A61M2500

    CPC分类号： B32B27/08 ,  B32B1/08 ,  B32B2270/00 ,  B32B2367/00 ,  B32B2375/00 ,  B32B2439/40 ,  B32B2535/00 ,  B60R21/235 ,  D06M14/14 ,  D06M14/16 ,  D06M15/564 ,  Y10T428/1307 ,  Y10T428/1334 ,  Y10T428/1341 ,  Y10T428/1359 ,  Y10T428/1379 ,  Y10T428/139 ,  Y10T428/1393 ,  Y10T428/31562 ,  Y10T428/31565 ,  Y10T428/31573 ,  Y10T428/31797

    摘要： The present invention provides a non-PVC, non-DEHP material that can be used for medical grade tubing. Additionally, the present invention provides medical grade tubing made from such a material. To this end, the present invention provides a medical grade tubing comprising a multilayer coextruded structure including: a layer comprising a blend of polyurethane and polyester; and a layer comprising a blend chosen from the group consisting of: polypropylene, ethylenevinyl acetate, and polyurethane; polypropylene and styrene-ethylene-butylene-styrene; polypropylene, styrene-ethylene-butylene-styrene, and ethylenevinyl acetate; polypropylene, ethylenevinyl acetate, styrene-ethylene-butylene-styrene, and thermoplastic polyester elastomer; polypropylene, ethylenevinyl acetate, styrene-ethylene-butylene-styrene, thermoplastic polyester elastomer, and polyurethane; polyester, thermoplastic polyester elastomer, and polyurethane; polyester and polyurethane; and polypropylene, styrene-ethylene-butylene-styrene, and polyurethane.

    摘要翻译： 本发明提供了可用于医疗级管材的非PVC非DEHP材料。 另外，本发明提供了由这种材料制成的医用级管。 为此，本发明提供一种包含多层共挤出结构的医用级管，其包括：包含聚氨酯和聚酯的共混物的层; 和包含选自以下的共混物的层：聚丙烯，乙烯 - 乙酸乙烯酯和聚氨酯; 聚丙烯和苯乙烯 - 乙烯 - 丁烯 - 苯乙烯; 聚丙烯，苯乙烯 - 乙烯 - 丁烯 - 苯乙烯和乙烯 - 乙酸乙烯酯; 聚丙烯，乙烯乙酸乙烯酯，苯乙烯 - 乙烯 - 丁烯 - 苯乙烯和热塑性聚酯弹性体; 聚丙烯，乙烯乙酸乙烯酯，苯乙烯 - 乙烯 - 丁烯 - 苯乙烯，热塑性聚酯弹性体和聚氨酯; 聚酯，热塑性聚酯弹性体和聚氨酯; 聚酯和聚氨酯; 和聚丙烯，苯乙烯 - 乙烯 - 丁烯 - 苯乙烯和聚氨酯。