THERMALLY AND DIMENSIONALLY STABLE POLYIMIDE FILMS AND METHODS RELATING THERETO
    3.
    发明申请
    THERMALLY AND DIMENSIONALLY STABLE POLYIMIDE FILMS AND METHODS RELATING THERETO 审中-公开
    热和尺寸稳定的聚酰亚胺膜及其相关方法

    公开(公告)号:US20120009406A1

    公开(公告)日:2012-01-12

    申请号:US12991192

    申请日:2009-05-11

    IPC分类号: B32B27/20

    摘要: The films of the present disclosure have a thickness from about 8 to about 150 microns and contain from about 40 to about 95 weight percent of a polyimide derived from: i. at least one aromatic dianhydride, at least about 85 mole percent of such aromatic dianhydride being a rigid rod type monomer, and ii. at least one aromatic diamine, at least about 85 mole percent of such aromatic diamine being a rigid rod type monomer. The films of the present disclosure further comprise a filler that: i. is less than about 800 nanometers in at least one dimension; ii. has an aspect ratio greater than about 3:1; iii. is less than the thickness of the film in all dimensions; and iv. is present in an amount from about 5 to about 60 weight percent of the total weight of the film.

    摘要翻译: 本公开的膜具有约8至约150微米的厚度,并且包含约40至约95重量%的衍生自以下的聚酰亚胺: 至少一种芳族二酐,至少约85摩尔%的这种芳族二酐是刚性棒型单体,和ii。 至少一种芳族二胺,至少约85摩尔%的这种芳族二胺是刚性棒型单体。 本公开的膜还包括填料,其:i。 在至少一个维度上小于约800纳米; ii。 长宽比大于3:1; iii。 小于所有尺寸的膜的厚度; 和iv。 的含量为膜的总重量的约5至约60重量%。

    DIMENSIONALLY STABLE POLYIMIDES, AND METHODS RELATING THERETO
    4.
    发明申请
    DIMENSIONALLY STABLE POLYIMIDES, AND METHODS RELATING THERETO 审中-公开
    尺寸稳定的POLYIMIDES,以及与此相关的方法

    公开(公告)号:US20110124806A1

    公开(公告)日:2011-05-26

    申请号:US12622977

    申请日:2009-11-20

    IPC分类号: C08L79/08 C08G73/10

    摘要: A film is disclosed, containing 40-100 weight percent polyimide. The polyimide is derived from a dianhydride component and a diamine component. The dianhydride component is at least 3,3′,4,4′-biphenyl tetracarboxylic dianhydride (BPDA), and optionally is also pyromellitic dianhydride (PMDA) in a mole ratio of 50-100:50-0 (BPDA:PMDA). The diamine component comprises 1,5-naphthalenediamine (1,5-ND) and 1,4-diaminobenzene (PPD) and/or meta phenylene diamine (MPD) in a mole ratio of 15-95:85-5 (1,5-ND:PPD+MPD). The films have exceptional high temperature storage modulus (elastic modulus) and exceptionally low high temperature creep (eplast).

    摘要翻译: 公开了一种含有40-100重量%聚酰亚胺的膜。 聚酰亚胺衍生自二酐组分和二胺组分。 二酐组分为至少3,3',4,4'-联苯四羧酸二酐(BPDA),并且任选还含有摩尔比为50-100:50-0(BPDA:PMDA)的均苯四酸二酐(PMDA)。 二胺组分包含摩尔比为15-95:85-5(1,5)的1,5-萘二胺(1,5-ND)和1,4-二氨基苯(PPD)和/或间苯二胺(MPD) -ND:PPD + MPD)。 这些薄膜具有优异的高温储存模量(弹性模量)和特别低的高温蠕变(eplast)。