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    • 39. 发明申请
    • GAS BARRIER FILM HAVING EXCELLENT WEATHER RESISTANCE
    • 气体阻隔膜具有优异的耐候性
    • US20110045301A1
    • 2011-02-24
    • US12865276
    • 2009-01-27
    • Chiharu OkawaraShigenobu YoshidaTooru Hachisuka
    • Chiharu OkawaraShigenobu YoshidaTooru Hachisuka
    • B32B27/08B05D1/36
    • C08J7/045C08J2367/02Y10T428/31507Y10T428/31511Y10T428/31786Y10T428/31935
    • Provided is a weather-resistant gas barrier film capable of keeping a high delamination strength and an excellent gas barrier property in a high-temperature high-humidity environment and in a UV radiation environment.The gas barrier film comprises a substrate film, a weather-resistant coating layer formed on at least one surface thereof, and an inorganic thin film layer formed on the surface of the coating layer, wherein the weather-resistant coating layer is selected from (1) a weather-resistant coating layer that contains an acrylic copolymer having at least one group selected from a UV-stabilizing group, a UV-absorbing group and a cycloalkyl group, (2) a weather-resistant coating layer formed by crosslinking a polycaprolactone-polyol and/or a polycarbonate-polyol as the essential ingredient, and (3) a weather-resistant coating layer formed by crosslinking a modified polyvinyl alcohol; and also provided is a method for producing the gas barrier film.
    • 本发明提供能够在高温高湿环境和紫外线照射环境下保持高分层强度和优异的阻气性的耐候性气体阻隔膜。 阻气膜包括基材膜,在其至少一个表面上形成的耐候性涂层和形成在涂层表面上的无机薄膜层,其中耐候性涂层选自(1 )含有具有选自UV稳定基团,UV吸收基团和环烷基中的至少一个基团的丙烯酸共聚物的耐候性涂层,(2)通过将聚己内酯 - 多元醇和/或聚碳酸酯 - 多元醇作为必要成分,和(3)通过交联改性聚乙烯醇形成的耐候性涂层; 并且还提供了一种制造阻气膜的方法。