MATTE FINISH POLYIMIDE FILMS AND METHODS RELATING THERETO
    2.
    发明申请
    MATTE FINISH POLYIMIDE FILMS AND METHODS RELATING THERETO 审中-公开
    MATTE FINISH POLYIMIDE FILMS AND METHODS RELATTING THERETO

    公开(公告)号:US20130196134A1

    公开(公告)日:2013-08-01

    申请号:US13811685

    申请日:2011-02-14

    IPC分类号: C08L79/08

    摘要: The present disclosure is directed to a base film having a thickness from 8 to 152 microns, a 60 degree gloss value from 2 to 35, an optical density greater than or equal to 2 and a dielectric strength greater than 1400 V/mil. The base film comprises a chemically converted (partially or wholly aromatic) polyimide in an amount from 71 to 96 weight percent of the base film. The base film further comprises a pigment and a matting agent. The matting agent is present in an amount from 1.6 to 10 weight percent of the base film, has a median particle size from 1.3 to 10 microns, and has a density from 2 to 4.5 g/cc. The pigment is present in an amount from 2 to 9 weight percent of the base film. The present disclosure is also directed to coverlay films comprising the base film in combination with an adhesive layer.

    摘要翻译: 本公开涉及厚度为8至152微米,60度光泽值为2至35,光密度大于或等于2且介电强度大于1400V / mil的基膜。 该基膜包含基础膜的71至96重量%的化学转化(部分或全部芳族)聚酰亚胺。 基膜还包含颜料和消光剂。 消光剂的存在量为基膜的1.6至10重量%,中值粒径为1.3至10微米,密度为2至4.5g / cc。 颜料的存在量为基膜的2至9重量%。 本公开还涉及包括基膜与粘合剂层组合的覆盖膜。