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    • 7. 发明申请
    • Coating composition of positive photosensitive polyimide
    • 正光敏聚酰亚胺的涂料组合物
    • US20050282958A1
    • 2005-12-22
    • US10868821
    • 2004-06-17
    • Jyh-Long JengJinn-Shing KingCharng-Shing Lu
    • Jyh-Long JengJinn-Shing KingCharng-Shing Lu
    • C08K3/00C08K5/42
    • C08K5/42C08L79/08
    • A coating composition of positive photosensitive polyimide is disclosed, which includes an organic solvent and the following components dissolved in the organic solvent: (a) a polyimide having a phenolic hydroxyl group or carboxyl group at the end of a principal chain of the polymer; (b) a compound having a phenolic hydroxyl group; and (c) a quinonediazide sulfonate as a photosensitive agent. The amount of the components (b) and (c) are 1-50 parts by weight per 100 parts by weight the component (a) in the coating composition. A film of the coating composition can be developed with an alkaline aqueous solution, which has a high photosensitivity, excellent resolution, low post-cure temperature, high film residual rate in thickness, and a pattern having a tapered-angle at the cross section. The coating solution can be used for forming an insulating layer in displays or in other suitable applications.
    • 公开了一种正性感光性聚酰亚胺的涂料组合物,其包含有机溶剂和溶解在有机溶剂中的以下成分:(a)在聚合物主链末端具有酚羟基或羧基的聚酰亚胺; (b)具有酚羟基的化合物; 和(c)醌二叠氮化物磺酸盐作为感光剂。 组分(b)和(c)的量相对于涂料组合物中的组分(a)每100重量份为1-50重量份。 涂料组合物的膜可以用碱性水溶液显影,其具有高的光敏性,优异的分辨率,低固化温度,高的膜厚残留率和在截面上具有锥角的图案。 涂布溶液可用于在显示器中或在其它合适的应用中形成绝缘层。