A polyimide polymer that includes the reaction product of: (a) at least one diamine selected from the group consisting of a diamine of Structure (Ia) and a diamine of Structure (Ib),
(b) at least one diamine of Structure (II),
(c) at least one tetracarboxylic acid dianhydride, and optionally (d) at least one compound containing a first functional group reactive with an amine or an anhydride and at least one second functional group selected from the group consisting of a substituted or unsubstituted alkenyl group and a substituted or unsubstituted alkynyl group. Each variable in the above formulas is defined in the specification.
ELECTRODE PATTERNING LAYER COMPRISING POLYAMIC ACID OR POLYIMIDE AND ELECTRONIC DEVICE USING THE SAME
申请人:Nissan Chemical Industries, Ltd.
公开号:EP1898451A1
公开(公告)日:2008-03-12
To provide an electrode patterning layer to be used for forming an electrode pattern of any optional shape depending on the difference in wettability with an electrode-forming solution, the electrode patterning layer employing a polyimide type resin which is highly reliable as an electronic material.
An electrode patterning layer to be used for forming an electrode pattern of any desired shape depending on the difference in wettability with an electrode-forming solution, said electrode patterning layer being prepared by irradiating a layer comprising a polyamic acid having repeating units represented by the following formula (1) or a polyimide obtainable by cyclodehydration of such a polyamic acid, with ultraviolet ray in a pattern shape:
wherein A is a tetravalent organic group, B is a bivalent organic group, each of A and B may be of a single type or plural types, and n is a positive integer, provided that at least one type of A is a tetravalent organic group having an alicyclic structure.
提供一种电极图案层,用于根据与电极形成溶液的润湿性差异形成任意形状的电极图案,该电极图案层采用聚酰亚胺型树脂,作为电子材料具有很高的可靠性。
一种电极图案层,用于根据与电极形成溶液的润湿性差异形成任意所需形 状的电极图案,所述电极图案层的制备方法是用紫外线照射由具有下式 (1) 所示重复单元的聚氨基甲酸酯或由这种聚氨基甲酸酯环脱水得到的聚酰亚胺组成的图案层:
其中,A 是四价有机基团,B 是二价有机基团,A 和 B 可以是单一类型,也可以是多个类型,n 是正整数,条件是至少一种类型的 A 是具有脂环结构的四价有机基团。
Photosensitive polyimide compositions
申请人:Fujifilm Electronic Materials U.S.A., Inc.
公开号:US10036952B2
公开(公告)日:2018-07-31
This disclosure relates to a photosensitive composition that includes at least one fully imidized polyimide polymer having a weight average molecular weight in the range of about 20,000 Daltons to about 70,000 Daltons; at least one solubility switching compound; at least one photoinitiator; and at least one solvent. The composition is capable of forming a film or a dry film having a dissolution rate of greater than about 0.15 micron/second using cyclopentanone as a developer.
This disclosure relates to dielectric film forming composition containing at least one fully imidized polyimide polymer; at least one inorganic filler; at least one metal-containing (meth)acrylate compound; and at least one catalyst. The dielectric film formed by such a composition can have a relatively low coefficient of thermal expansion (CTE) and a relatively high optical transparency.
Polymer and thermosetting composition containing same
申请人:Fujifilm Electronic Materials U.S.A., Inc.
公开号:US10604628B2
公开(公告)日:2020-03-31
This disclosure relates to a polymer that includes a first repeat unit and at least one end-cap group at one end of the polymer. The first repeat unit includes at least one imide moiety and at least one indane-containing moiety. The end-cap group is capable of undergoing a cycloreversion reaction. This disclosure also relates to a thermosetting composition containing the above polymer.