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    Articles comprising nonpolar polyolefin and polyurethane, and methods for their preparation and use
    23.
    发明授权
    Articles comprising nonpolar polyolefin and polyurethane, and methods for their preparation and use 有权
    包含非极性聚烯烃和聚氨酯的制品及其制备和使用方法

    公开(公告)号：US08404780B2

    公开(公告)日：2013-03-26

    申请号：US12446719

    申请日：2007-10-31

    申请人： Laura B. Weaver ,  Ashish Batra ,  Patricia Ansems ,  Gary M. Strandburg ,  Matthew J. Kalinkowski

    发明人： Laura B. Weaver ,  Ashish Batra ,  Patricia Ansems ,  Gary M. Strandburg ,  Matthew J. Kalinkowski

    IPC分类号： C08L53/00 ,  C08L23/08

    CPC分类号： C08G18/69 ,  C08L23/02 ,  C08L75/04 ,  C08L75/06 ,  C09D123/02 ,  Y10T428/24802 ,  Y10T428/31551 ,  C08L2666/20

    摘要： The adhesion between a low surface energy (i.e., nonpolar) material, e.g., a polyolefin such as polyethylene, and a high surface energy (i.e., polar) material, e.g., a polyester, polyurethane, polycarbonate or polylactic acid, is promoted by blending with the nonpolar material typically from 15 to less than 50 wt % of a diol-based thermoplastic polyurethane (d-TPU), e.g., a polydiene diol-based TPU, based on the combined weight of the nonpolar material and the d-TPU. The promoted adhesion allows for the effective painting, printing, over-molding or HF-welding of a nonpolar substrate, e.g., a polyolefin film, with a polar coating, e.g., a paint, ink, etc. Aqueous dispersions can also be made from the blend of nonpolar material and d-TPU.

    摘要翻译： 低表面能（即非极性）材料（例如聚烯烃，如聚乙烯）与高表面能（即极性）材料（如聚酯，聚氨酯，聚碳酸酯或聚乳酸）之间的粘合力可通过共混 基于非极性材料和d-TPU的组合重量，非极性材料通常为基于二醇类热塑性聚氨酯（d-TPU）的15至小于50重量％，例如聚二烯基二醇基TPU。 促进的粘合允许非极性基底（例如聚烯烃膜）与极性涂层（例如油漆，油墨等）的有效涂布，印刷，超模塑或HF焊接。水分散体也可以由 非极性材料和d-TPU的混合物。