Masking films
    1.
    发明授权
    Masking films 失效
    掩蔽片

    公开(公告)号:US5707704A

    公开(公告)日:1998-01-13

    申请号:US577003

    申请日:1995-12-26

    IPC分类号: G03F1/68 B32B27/00

    摘要: A masking film comprising a light-shielding peelable layer provided on a transparent support wherein a binder component of the light-shielding peelable layer comprises 20 to 40% by weight of a rubberlike resin, 25 to 75% by weight of a vinyl chloride resin and 5 to 35% by weight of a thermoplastic resin containing OH groups compatible with the rubberlike resin and the vinyl chloride resin based on total resin components, which maintains anti-blocking property and appropriate adhesion after a long period of time.

    摘要翻译: 一种掩模膜,其包括设置在透明支撑体上的遮光性剥离层,其中所述遮光性剥离层的粘合剂成分含有20〜40重量%的橡胶状树脂,25〜75重量%的氯乙烯树脂和 5〜35重量%的含有与橡胶状树脂相容的OH基的热塑性树脂和基于总树脂成分的氯乙烯树脂,其长时间保持防粘连性和适当的粘合性。