申请人:Nakayama Tomonori
公开号:US20140127497A1
公开(公告)日:2014-05-08
A polyimide laminate obtained by casting a polyamic acid solution composition including a phosphorus compound and a polyamic acid, which is obtained from a tetracarboxylic acid component comprising 3,3′,4,4′-biphenyltetracarboxylic dianhydride as the main component and a diamine component comprising p-phenylenediamine as the main component, on a substrate; and then heating the polyamic acid solution composition to form a polyimide layer having a thickness of less than 50 μm on the substrate.
通过在基板上浇铸包括
磷化合物和聚酰胺酸的聚
酰亚胺酸溶液组合物,该聚
酰亚胺酸是从包含3,3'-
联苯四
羧酸二酐为主要成分的四
羧酸组分和包含p-
苯二胺为主要成分的二胺组分中获得的;然后加热聚
酰亚胺酸溶液组合物,在基板上形成厚度小于50μm的聚
酰亚胺层的聚
酰亚胺层。