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    • 4. 发明申请
    • COATINGS AND COATED SUBSTRATES WITH IMPROVED BARRIER AND ADHESION CHARACTERISTICS, AND METHODS OF PRODUCING THE SAME
    • 具有改进的阻挡层和粘合特性的涂层和涂层基材及其生产方法
    • WO2017127406A1
    • 2017-07-27
    • PCT/US2017/013895
    • 2017-01-18
    • MICHELMAN, INC.
    • COOPER, RobinJACQUES, Francis
    • C09D129/04
    • C08J7/047B05D3/007C08J2367/03C08J2429/04C08J2479/02C09D5/002C09D7/65C09D129/04C08L61/28C08L79/02C08L75/04
    • Embodiments of the present disclosure are directed to primer coatings, polymeric substrates, and methods of producing thereof, which provide enhanced adhesion and enhanced barrier properties. The primer coatings comprise an aqueous mixture of amorphous polyvinyl alcohol, an adhesion promoter comprising one or more of polyethylene and polyurethane, a crosslinker, and optionally, a catalyst. The coated polymeric substrates comprise a polymeric substrate and a coating dispersed over the polymeric substrate, where the coating dispersed over the polymeric substrate comprises amorphous polyvinyl alcohol, an adhesion promoter, and a crosslinker. The methods for making coated polymeric substrates comprise stretching a polymeric substrate, applying a coating of amorphous polyvinyl alcohol, an adhesion promoter, and a crosslinker to at least one surface of the stretched polymeric substrate, and curing the coating onto at least one surface of the stretched polymeric substrate.
    • 本公开的实施方案涉及底漆涂料,聚合物基底及其制备方法,其提供增强的粘合性和增强的阻隔性。 底漆涂料包含无定形聚乙烯醇,包含聚乙烯和聚氨酯中的一种或多种的粘合促进剂,交联剂和任选的催化剂的含水混合物。 涂覆的聚合物基材包含聚合物基材和分散在聚合物基材上的涂层,其中分散在聚合物基材上的涂层包含无定形聚乙烯醇,粘合促进剂和交联剂。 用于制造涂覆的聚合物基材的方法包括拉伸聚合物基材,将无定形聚乙烯醇涂层,粘合促进剂和交联剂涂覆到拉伸的聚合物基材的至少一个表面上,以及将涂层固化到 拉伸聚合物基材。